epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2011 Google Inc. |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 10 | #include "SkPDFDevice.h" |
| 11 | |
vandebo@chromium.org | 238be8c | 2012-07-13 20:06:02 +0000 | [diff] [blame] | 12 | #include "SkAnnotation.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 13 | #include "SkColor.h" |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 14 | #include "SkClipStack.h" |
reed@google.com | 8a85d0c | 2011-06-24 19:12:12 +0000 | [diff] [blame] | 15 | #include "SkData.h" |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 16 | #include "SkDraw.h" |
vandebo@chromium.org | 4e1cc6a | 2013-01-25 19:27:23 +0000 | [diff] [blame^] | 17 | #include "SkFontHost.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 18 | #include "SkGlyphCache.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 19 | #include "SkPaint.h" |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 20 | #include "SkPath.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 21 | #include "SkPDFFont.h" |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 22 | #include "SkPDFFormXObject.h" |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 23 | #include "SkPDFGraphicState.h" |
| 24 | #include "SkPDFImage.h" |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 25 | #include "SkPDFShader.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 26 | #include "SkPDFStream.h" |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 27 | #include "SkPDFTypes.h" |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 28 | #include "SkPDFUtils.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 29 | #include "SkRect.h" |
| 30 | #include "SkString.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 31 | #include "SkTextFormatParams.h" |
vandebo@chromium.org | 4e1cc6a | 2013-01-25 19:27:23 +0000 | [diff] [blame^] | 32 | #include "SkTemplates.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 33 | #include "SkTypeface.h" |
| 34 | #include "SkTypes.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 35 | |
| 36 | // Utility functions |
| 37 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 38 | static void emit_pdf_color(SkColor color, SkWStream* result) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 39 | SkASSERT(SkColorGetA(color) == 0xFF); // We handle alpha elsewhere. |
| 40 | SkScalar colorMax = SkIntToScalar(0xFF); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 41 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 42 | SkScalarDiv(SkIntToScalar(SkColorGetR(color)), colorMax), result); |
| 43 | result->writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 44 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 45 | SkScalarDiv(SkIntToScalar(SkColorGetG(color)), colorMax), result); |
| 46 | result->writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 47 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 48 | SkScalarDiv(SkIntToScalar(SkColorGetB(color)), colorMax), result); |
| 49 | result->writeText(" "); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 50 | } |
| 51 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 52 | static SkPaint calculate_text_paint(const SkPaint& paint) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 53 | SkPaint result = paint; |
| 54 | if (result.isFakeBoldText()) { |
| 55 | SkScalar fakeBoldScale = SkScalarInterpFunc(result.getTextSize(), |
| 56 | kStdFakeBoldInterpKeys, |
| 57 | kStdFakeBoldInterpValues, |
| 58 | kStdFakeBoldInterpLength); |
| 59 | SkScalar width = SkScalarMul(result.getTextSize(), fakeBoldScale); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 60 | if (result.getStyle() == SkPaint::kFill_Style) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 61 | result.setStyle(SkPaint::kStrokeAndFill_Style); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 62 | } else { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 63 | width += result.getStrokeWidth(); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 64 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 65 | result.setStrokeWidth(width); |
| 66 | } |
| 67 | return result; |
| 68 | } |
| 69 | |
| 70 | // Stolen from measure_text in SkDraw.cpp and then tweaked. |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 71 | static void align_text(SkDrawCacheProc glyphCacheProc, const SkPaint& paint, |
bungeman@google.com | 9a87cee | 2011-08-23 17:02:18 +0000 | [diff] [blame] | 72 | const uint16_t* glyphs, size_t len, |
| 73 | SkScalar* x, SkScalar* y) { |
| 74 | if (paint.getTextAlign() == SkPaint::kLeft_Align) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 75 | return; |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 76 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 77 | |
| 78 | SkMatrix ident; |
| 79 | ident.reset(); |
bungeman@google.com | 532470f | 2013-01-22 19:25:14 +0000 | [diff] [blame] | 80 | SkAutoGlyphCache autoCache(paint, NULL, &ident); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 81 | SkGlyphCache* cache = autoCache.getCache(); |
| 82 | |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 83 | const char* start = reinterpret_cast<const char*>(glyphs); |
| 84 | const char* stop = reinterpret_cast<const char*>(glyphs + len); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 85 | SkFixed xAdv = 0, yAdv = 0; |
| 86 | |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 87 | // TODO(vandebo): This probably needs to take kerning into account. |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 88 | while (start < stop) { |
| 89 | const SkGlyph& glyph = glyphCacheProc(cache, &start, 0, 0); |
| 90 | xAdv += glyph.fAdvanceX; |
| 91 | yAdv += glyph.fAdvanceY; |
| 92 | }; |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 93 | if (paint.getTextAlign() == SkPaint::kLeft_Align) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 94 | return; |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 95 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 96 | |
| 97 | SkScalar xAdj = SkFixedToScalar(xAdv); |
| 98 | SkScalar yAdj = SkFixedToScalar(yAdv); |
| 99 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 100 | xAdj = SkScalarHalf(xAdj); |
| 101 | yAdj = SkScalarHalf(yAdj); |
| 102 | } |
| 103 | *x = *x - xAdj; |
| 104 | *y = *y - yAdj; |
| 105 | } |
| 106 | |
vandebo@chromium.org | 4e1cc6a | 2013-01-25 19:27:23 +0000 | [diff] [blame^] | 107 | static size_t max_glyphid_for_typeface(const SkTypeface* typeface) { |
| 108 | SkAdvancedTypefaceMetrics* metrics; |
| 109 | metrics = SkFontHost::GetAdvancedTypefaceMetrics( |
| 110 | SkTypeface::UniqueID(typeface), |
| 111 | SkAdvancedTypefaceMetrics::kNo_PerGlyphInfo, |
| 112 | NULL, 0); |
| 113 | |
| 114 | int lastGlyphID = 0; |
| 115 | if (metrics) { |
| 116 | lastGlyphID = metrics->fLastGlyphID; |
| 117 | metrics->unref(); |
| 118 | } |
| 119 | return lastGlyphID; |
| 120 | } |
| 121 | |
| 122 | typedef SkAutoSTMalloc<128, uint16_t> SkGlyphStorage; |
| 123 | |
| 124 | static size_t force_glyph_encoding(const SkPaint& paint, const void* text, |
| 125 | size_t len, SkGlyphStorage* storage, |
| 126 | uint16_t** glyphIDs) { |
| 127 | // Make sure we have a glyph id encoding. |
| 128 | if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) { |
| 129 | size_t numGlyphs = paint.textToGlyphs(text, len, NULL); |
| 130 | storage->reset(numGlyphs); |
| 131 | paint.textToGlyphs(text, len, storage->get()); |
| 132 | *glyphIDs = storage->get(); |
| 133 | return numGlyphs; |
| 134 | } |
| 135 | |
| 136 | // For user supplied glyph ids we need to validate them. |
| 137 | SkASSERT((len & 1) == 0); |
| 138 | size_t numGlyphs = len / 2; |
| 139 | const uint16_t* input = |
| 140 | reinterpret_cast<uint16_t*>(const_cast<void*>((text))); |
| 141 | |
| 142 | int maxGlyphID = max_glyphid_for_typeface(paint.getTypeface()); |
| 143 | size_t validated; |
| 144 | for (validated = 0; validated < numGlyphs; ++validated) { |
| 145 | if (input[validated] > maxGlyphID) { |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | if (validated >= numGlyphs) { |
| 150 | *glyphIDs = reinterpret_cast<uint16_t*>(const_cast<void*>((text))); |
| 151 | return numGlyphs; |
| 152 | } |
| 153 | |
| 154 | // Silently drop anything out of range. |
| 155 | storage->reset(numGlyphs); |
| 156 | if (validated > 0) { |
| 157 | memcpy(storage->get(), input, validated * sizeof(uint16_t)); |
| 158 | } |
| 159 | |
| 160 | for (size_t i = validated; i < numGlyphs; ++i) { |
| 161 | storage->get()[i] = input[i]; |
| 162 | if (input[i] > maxGlyphID) { |
| 163 | storage->get()[i] = 0; |
| 164 | } |
| 165 | } |
| 166 | *glyphIDs = storage->get(); |
| 167 | return numGlyphs; |
| 168 | } |
| 169 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 170 | static void set_text_transform(SkScalar x, SkScalar y, SkScalar textSkewX, |
| 171 | SkWStream* content) { |
| 172 | // Flip the text about the x-axis to account for origin swap and include |
| 173 | // the passed parameters. |
| 174 | content->writeText("1 0 "); |
| 175 | SkPDFScalar::Append(0 - textSkewX, content); |
| 176 | content->writeText(" -1 "); |
| 177 | SkPDFScalar::Append(x, content); |
| 178 | content->writeText(" "); |
| 179 | SkPDFScalar::Append(y, content); |
| 180 | content->writeText(" Tm\n"); |
| 181 | } |
| 182 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 183 | // It is important to not confuse GraphicStateEntry with SkPDFGraphicState, the |
| 184 | // later being our representation of an object in the PDF file. |
| 185 | struct GraphicStateEntry { |
| 186 | GraphicStateEntry(); |
| 187 | |
| 188 | // Compare the fields we care about when setting up a new content entry. |
| 189 | bool compareInitialState(const GraphicStateEntry& b); |
| 190 | |
| 191 | SkMatrix fMatrix; |
| 192 | // We can't do set operations on Paths, though PDF natively supports |
| 193 | // intersect. If the clip stack does anything other than intersect, |
| 194 | // we have to fall back to the region. Treat fClipStack as authoritative. |
| 195 | // See http://code.google.com/p/skia/issues/detail?id=221 |
| 196 | SkClipStack fClipStack; |
| 197 | SkRegion fClipRegion; |
| 198 | |
| 199 | // When emitting the content entry, we will ensure the graphic state |
| 200 | // is set to these values first. |
| 201 | SkColor fColor; |
| 202 | SkScalar fTextScaleX; // Zero means we don't care what the value is. |
| 203 | SkPaint::Style fTextFill; // Only if TextScaleX is non-zero. |
| 204 | int fShaderIndex; |
| 205 | int fGraphicStateIndex; |
| 206 | |
| 207 | // We may change the font (i.e. for Type1 support) within a |
| 208 | // ContentEntry. This is the one currently in effect, or NULL if none. |
| 209 | SkPDFFont* fFont; |
| 210 | // In PDF, text size has no default value. It is only valid if fFont is |
| 211 | // not NULL. |
| 212 | SkScalar fTextSize; |
| 213 | }; |
| 214 | |
| 215 | GraphicStateEntry::GraphicStateEntry() : fColor(SK_ColorBLACK), |
| 216 | fTextScaleX(SK_Scalar1), |
| 217 | fTextFill(SkPaint::kFill_Style), |
| 218 | fShaderIndex(-1), |
| 219 | fGraphicStateIndex(-1), |
| 220 | fFont(NULL), |
| 221 | fTextSize(SK_ScalarNaN) { |
| 222 | fMatrix.reset(); |
| 223 | } |
| 224 | |
| 225 | bool GraphicStateEntry::compareInitialState(const GraphicStateEntry& b) { |
| 226 | return fColor == b.fColor && |
| 227 | fShaderIndex == b.fShaderIndex && |
| 228 | fGraphicStateIndex == b.fGraphicStateIndex && |
| 229 | fMatrix == b.fMatrix && |
| 230 | fClipStack == b.fClipStack && |
| 231 | (fTextScaleX == 0 || |
| 232 | b.fTextScaleX == 0 || |
| 233 | (fTextScaleX == b.fTextScaleX && fTextFill == b.fTextFill)); |
| 234 | } |
| 235 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 236 | class GraphicStackState { |
| 237 | public: |
| 238 | GraphicStackState(const SkClipStack& existingClipStack, |
| 239 | const SkRegion& existingClipRegion, |
| 240 | SkWStream* contentStream) |
| 241 | : fStackDepth(0), |
| 242 | fContentStream(contentStream) { |
| 243 | fEntries[0].fClipStack = existingClipStack; |
| 244 | fEntries[0].fClipRegion = existingClipRegion; |
| 245 | } |
| 246 | |
| 247 | void updateClip(const SkClipStack& clipStack, const SkRegion& clipRegion, |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 248 | const SkPoint& translation); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 249 | void updateMatrix(const SkMatrix& matrix); |
| 250 | void updateDrawingState(const GraphicStateEntry& state); |
| 251 | |
| 252 | void drainStack(); |
| 253 | |
| 254 | private: |
| 255 | void push(); |
| 256 | void pop(); |
| 257 | GraphicStateEntry* currentEntry() { return &fEntries[fStackDepth]; } |
| 258 | |
| 259 | // Conservative limit on save depth, see impl. notes in PDF 1.4 spec. |
| 260 | static const int kMaxStackDepth = 12; |
| 261 | GraphicStateEntry fEntries[kMaxStackDepth + 1]; |
| 262 | int fStackDepth; |
| 263 | SkWStream* fContentStream; |
| 264 | }; |
| 265 | |
| 266 | void GraphicStackState::drainStack() { |
| 267 | while (fStackDepth) { |
| 268 | pop(); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | void GraphicStackState::push() { |
| 273 | SkASSERT(fStackDepth < kMaxStackDepth); |
| 274 | fContentStream->writeText("q\n"); |
| 275 | fStackDepth++; |
| 276 | fEntries[fStackDepth] = fEntries[fStackDepth - 1]; |
| 277 | } |
| 278 | |
| 279 | void GraphicStackState::pop() { |
| 280 | SkASSERT(fStackDepth > 0); |
| 281 | fContentStream->writeText("Q\n"); |
| 282 | fStackDepth--; |
| 283 | } |
| 284 | |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 285 | // This function initializes iter to be an iterator on the "stack" argument |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 286 | // and then skips over the leading entries as specified in prefix. It requires |
| 287 | // and asserts that "prefix" will be a prefix to "stack." |
| 288 | static void skip_clip_stack_prefix(const SkClipStack& prefix, |
| 289 | const SkClipStack& stack, |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 290 | SkClipStack::Iter* iter) { |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 291 | SkClipStack::B2TIter prefixIter(prefix); |
| 292 | iter->reset(stack, SkClipStack::Iter::kBottom_IterStart); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 293 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 294 | const SkClipStack::Element* prefixEntry; |
| 295 | const SkClipStack::Element* iterEntry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 296 | |
| 297 | for (prefixEntry = prefixIter.next(); prefixEntry; |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 298 | prefixEntry = prefixIter.next()) { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 299 | iterEntry = iter->next(); |
| 300 | SkASSERT(iterEntry); |
vandebo@chromium.org | 8887ede | 2011-05-25 01:27:52 +0000 | [diff] [blame] | 301 | // Because of SkClipStack does internal intersection, the last clip |
| 302 | // entry may differ. |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 303 | if (*prefixEntry != *iterEntry) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 304 | SkASSERT(prefixEntry->getOp() == SkRegion::kIntersect_Op); |
| 305 | SkASSERT(iterEntry->getOp() == SkRegion::kIntersect_Op); |
| 306 | SkASSERT(iterEntry->getType() == prefixEntry->getType()); |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 307 | // back up the iterator by one |
| 308 | iter->prev(); |
vandebo@chromium.org | 8887ede | 2011-05-25 01:27:52 +0000 | [diff] [blame] | 309 | prefixEntry = prefixIter.next(); |
| 310 | break; |
| 311 | } |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | SkASSERT(prefixEntry == NULL); |
| 315 | } |
| 316 | |
| 317 | static void emit_clip(SkPath* clipPath, SkRect* clipRect, |
| 318 | SkWStream* contentStream) { |
| 319 | SkASSERT(clipPath || clipRect); |
| 320 | |
| 321 | SkPath::FillType clipFill; |
| 322 | if (clipPath) { |
vandebo@chromium.org | 683001c | 2012-05-09 17:17:51 +0000 | [diff] [blame] | 323 | SkPDFUtils::EmitPath(*clipPath, SkPaint::kFill_Style, contentStream); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 324 | clipFill = clipPath->getFillType(); |
vandebo@chromium.org | 3e7b280 | 2011-06-27 18:12:31 +0000 | [diff] [blame] | 325 | } else { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 326 | SkPDFUtils::AppendRectangle(*clipRect, contentStream); |
| 327 | clipFill = SkPath::kWinding_FillType; |
| 328 | } |
| 329 | |
| 330 | NOT_IMPLEMENTED(clipFill == SkPath::kInverseEvenOdd_FillType, false); |
| 331 | NOT_IMPLEMENTED(clipFill == SkPath::kInverseWinding_FillType, false); |
| 332 | if (clipFill == SkPath::kEvenOdd_FillType) { |
| 333 | contentStream->writeText("W* n\n"); |
| 334 | } else { |
| 335 | contentStream->writeText("W n\n"); |
| 336 | } |
| 337 | } |
| 338 | |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 339 | // TODO(vandebo): Take advantage of SkClipStack::getSaveCount(), the PDF |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 340 | // graphic state stack, and the fact that we can know all the clips used |
| 341 | // on the page to optimize this. |
| 342 | void GraphicStackState::updateClip(const SkClipStack& clipStack, |
| 343 | const SkRegion& clipRegion, |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 344 | const SkPoint& translation) { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 345 | if (clipStack == currentEntry()->fClipStack) { |
| 346 | return; |
| 347 | } |
| 348 | |
| 349 | while (fStackDepth > 0) { |
| 350 | pop(); |
| 351 | if (clipStack == currentEntry()->fClipStack) { |
| 352 | return; |
| 353 | } |
| 354 | } |
| 355 | push(); |
| 356 | |
| 357 | // gsState->initialEntry()->fClipStack/Region specifies the clip that has |
| 358 | // already been applied. (If this is a top level device, then it specifies |
| 359 | // a clip to the content area. If this is a layer, then it specifies |
| 360 | // the clip in effect when the layer was created.) There's no need to |
| 361 | // reapply that clip; SKCanvas's SkDrawIter will draw anything outside the |
| 362 | // initial clip on the parent layer. (This means there's a bug if the user |
| 363 | // expands the clip and then uses any xfer mode that uses dst: |
| 364 | // http://code.google.com/p/skia/issues/detail?id=228 ) |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 365 | SkClipStack::Iter iter; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 366 | skip_clip_stack_prefix(fEntries[0].fClipStack, clipStack, &iter); |
| 367 | |
| 368 | // If the clip stack does anything other than intersect or if it uses |
| 369 | // an inverse fill type, we have to fall back to the clip region. |
| 370 | bool needRegion = false; |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 371 | const SkClipStack::Element* clipEntry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 372 | for (clipEntry = iter.next(); clipEntry; clipEntry = iter.next()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 373 | if (clipEntry->getOp() != SkRegion::kIntersect_Op || clipEntry->isInverseFilled()) { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 374 | needRegion = true; |
| 375 | break; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | if (needRegion) { |
| 380 | SkPath clipPath; |
| 381 | SkAssertResult(clipRegion.getBoundaryPath(&clipPath)); |
| 382 | emit_clip(&clipPath, NULL, fContentStream); |
| 383 | } else { |
| 384 | skip_clip_stack_prefix(fEntries[0].fClipStack, clipStack, &iter); |
| 385 | SkMatrix transform; |
| 386 | transform.setTranslate(translation.fX, translation.fY); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 387 | const SkClipStack::Element* clipEntry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 388 | for (clipEntry = iter.next(); clipEntry; clipEntry = iter.next()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 389 | SkASSERT(clipEntry->getOp() == SkRegion::kIntersect_Op); |
| 390 | switch (clipEntry->getType()) { |
| 391 | case SkClipStack::Element::kRect_Type: { |
| 392 | SkRect translatedClip; |
| 393 | transform.mapRect(&translatedClip, clipEntry->getRect()); |
| 394 | emit_clip(NULL, &translatedClip, fContentStream); |
| 395 | break; |
| 396 | } |
| 397 | case SkClipStack::Element::kPath_Type: { |
| 398 | SkPath translatedPath; |
| 399 | clipEntry->getPath().transform(transform, &translatedPath); |
| 400 | emit_clip(&translatedPath, NULL, fContentStream); |
| 401 | break; |
| 402 | } |
| 403 | default: |
| 404 | SkASSERT(false); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | } |
| 408 | currentEntry()->fClipStack = clipStack; |
| 409 | currentEntry()->fClipRegion = clipRegion; |
| 410 | } |
| 411 | |
| 412 | void GraphicStackState::updateMatrix(const SkMatrix& matrix) { |
| 413 | if (matrix == currentEntry()->fMatrix) { |
| 414 | return; |
| 415 | } |
| 416 | |
| 417 | if (currentEntry()->fMatrix.getType() != SkMatrix::kIdentity_Mask) { |
| 418 | SkASSERT(fStackDepth > 0); |
| 419 | SkASSERT(fEntries[fStackDepth].fClipStack == |
| 420 | fEntries[fStackDepth -1].fClipStack); |
| 421 | pop(); |
| 422 | |
| 423 | SkASSERT(currentEntry()->fMatrix.getType() == SkMatrix::kIdentity_Mask); |
| 424 | } |
| 425 | if (matrix.getType() == SkMatrix::kIdentity_Mask) { |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | push(); |
| 430 | SkPDFUtils::AppendTransform(matrix, fContentStream); |
| 431 | currentEntry()->fMatrix = matrix; |
| 432 | } |
| 433 | |
| 434 | void GraphicStackState::updateDrawingState(const GraphicStateEntry& state) { |
| 435 | // PDF treats a shader as a color, so we only set one or the other. |
| 436 | if (state.fShaderIndex >= 0) { |
| 437 | if (state.fShaderIndex != currentEntry()->fShaderIndex) { |
| 438 | fContentStream->writeText("/Pattern CS /Pattern cs /P"); |
| 439 | fContentStream->writeDecAsText(state.fShaderIndex); |
| 440 | fContentStream->writeText(" SCN /P"); |
| 441 | fContentStream->writeDecAsText(state.fShaderIndex); |
| 442 | fContentStream->writeText(" scn\n"); |
| 443 | currentEntry()->fShaderIndex = state.fShaderIndex; |
| 444 | } |
| 445 | } else { |
| 446 | if (state.fColor != currentEntry()->fColor || |
| 447 | currentEntry()->fShaderIndex >= 0) { |
| 448 | emit_pdf_color(state.fColor, fContentStream); |
| 449 | fContentStream->writeText("RG "); |
| 450 | emit_pdf_color(state.fColor, fContentStream); |
| 451 | fContentStream->writeText("rg\n"); |
| 452 | currentEntry()->fColor = state.fColor; |
| 453 | currentEntry()->fShaderIndex = -1; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | if (state.fGraphicStateIndex != currentEntry()->fGraphicStateIndex) { |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 458 | SkPDFUtils::ApplyGraphicState(state.fGraphicStateIndex, fContentStream); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 459 | currentEntry()->fGraphicStateIndex = state.fGraphicStateIndex; |
| 460 | } |
| 461 | |
| 462 | if (state.fTextScaleX) { |
| 463 | if (state.fTextScaleX != currentEntry()->fTextScaleX) { |
| 464 | SkScalar pdfScale = SkScalarMul(state.fTextScaleX, |
| 465 | SkIntToScalar(100)); |
| 466 | SkPDFScalar::Append(pdfScale, fContentStream); |
| 467 | fContentStream->writeText(" Tz\n"); |
| 468 | currentEntry()->fTextScaleX = state.fTextScaleX; |
| 469 | } |
| 470 | if (state.fTextFill != currentEntry()->fTextFill) { |
| 471 | SK_COMPILE_ASSERT(SkPaint::kFill_Style == 0, enum_must_match_value); |
| 472 | SK_COMPILE_ASSERT(SkPaint::kStroke_Style == 1, |
| 473 | enum_must_match_value); |
| 474 | SK_COMPILE_ASSERT(SkPaint::kStrokeAndFill_Style == 2, |
| 475 | enum_must_match_value); |
| 476 | fContentStream->writeDecAsText(state.fTextFill); |
| 477 | fContentStream->writeText(" Tr\n"); |
| 478 | currentEntry()->fTextFill = state.fTextFill; |
| 479 | } |
| 480 | } |
| 481 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 482 | |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 483 | SkDevice* SkPDFDevice::onCreateCompatibleDevice(SkBitmap::Config config, |
| 484 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 485 | bool isOpaque, |
| 486 | Usage usage) { |
| 487 | SkMatrix initialTransform; |
| 488 | initialTransform.reset(); |
| 489 | SkISize size = SkISize::Make(width, height); |
| 490 | return SkNEW_ARGS(SkPDFDevice, (size, size, initialTransform)); |
| 491 | } |
| 492 | |
| 493 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 494 | struct ContentEntry { |
| 495 | GraphicStateEntry fState; |
| 496 | SkDynamicMemoryWStream fContent; |
| 497 | SkTScopedPtr<ContentEntry> fNext; |
| 498 | }; |
| 499 | |
| 500 | // A helper class to automatically finish a ContentEntry at the end of a |
| 501 | // drawing method and maintain the state needed between set up and finish. |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 502 | class ScopedContentEntry { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 503 | public: |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 504 | ScopedContentEntry(SkPDFDevice* device, const SkDraw& draw, |
| 505 | const SkPaint& paint, bool hasText = false) |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 506 | : fDevice(device), |
| 507 | fContentEntry(NULL), |
| 508 | fXfermode(SkXfermode::kSrcOver_Mode) { |
| 509 | init(draw.fClipStack, *draw.fClip, *draw.fMatrix, paint, hasText); |
| 510 | } |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 511 | ScopedContentEntry(SkPDFDevice* device, const SkClipStack* clipStack, |
| 512 | const SkRegion& clipRegion, const SkMatrix& matrix, |
| 513 | const SkPaint& paint, bool hasText = false) |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 514 | : fDevice(device), |
| 515 | fContentEntry(NULL), |
| 516 | fXfermode(SkXfermode::kSrcOver_Mode) { |
| 517 | init(clipStack, clipRegion, matrix, paint, hasText); |
| 518 | } |
| 519 | |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 520 | ~ScopedContentEntry() { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 521 | if (fContentEntry) { |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 522 | fDevice->finishContentEntry(fXfermode, fDstFormXObject); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 523 | } |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 524 | SkSafeUnref(fDstFormXObject); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | ContentEntry* entry() { return fContentEntry; } |
| 528 | private: |
| 529 | SkPDFDevice* fDevice; |
| 530 | ContentEntry* fContentEntry; |
| 531 | SkXfermode::Mode fXfermode; |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 532 | SkPDFFormXObject* fDstFormXObject; |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 533 | |
| 534 | void init(const SkClipStack* clipStack, const SkRegion& clipRegion, |
| 535 | const SkMatrix& matrix, const SkPaint& paint, bool hasText) { |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 536 | fDstFormXObject = NULL; |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 537 | if (paint.getXfermode()) { |
| 538 | paint.getXfermode()->asMode(&fXfermode); |
| 539 | } |
| 540 | fContentEntry = fDevice->setUpContentEntry(clipStack, clipRegion, |
| 541 | matrix, paint, hasText, |
| 542 | &fDstFormXObject); |
| 543 | } |
| 544 | }; |
| 545 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 546 | //////////////////////////////////////////////////////////////////////////////// |
| 547 | |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 548 | static inline SkBitmap makeContentBitmap(const SkISize& contentSize, |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 549 | const SkMatrix* initialTransform) { |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 550 | SkBitmap bitmap; |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 551 | if (initialTransform) { |
| 552 | // Compute the size of the drawing area. |
| 553 | SkVector drawingSize; |
| 554 | SkMatrix inverse; |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 555 | drawingSize.set(SkIntToScalar(contentSize.fWidth), |
| 556 | SkIntToScalar(contentSize.fHeight)); |
vandebo@chromium.org | b054990 | 2012-04-13 20:45:46 +0000 | [diff] [blame] | 557 | if (!initialTransform->invert(&inverse)) { |
vandebo@chromium.org | 386dfc0 | 2012-04-17 22:31:52 +0000 | [diff] [blame] | 558 | // This shouldn't happen, initial transform should be invertible. |
| 559 | SkASSERT(false); |
vandebo@chromium.org | b054990 | 2012-04-13 20:45:46 +0000 | [diff] [blame] | 560 | inverse.reset(); |
| 561 | } |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 562 | inverse.mapVectors(&drawingSize, 1); |
| 563 | SkISize size = SkSize::Make(drawingSize.fX, drawingSize.fY).toRound(); |
| 564 | bitmap.setConfig(SkBitmap::kNo_Config, abs(size.fWidth), |
| 565 | abs(size.fHeight)); |
| 566 | } else { |
| 567 | bitmap.setConfig(SkBitmap::kNo_Config, abs(contentSize.fWidth), |
| 568 | abs(contentSize.fHeight)); |
| 569 | } |
| 570 | |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 571 | return bitmap; |
| 572 | } |
| 573 | |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 574 | // TODO(vandebo) change pageSize to SkSize. |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 575 | SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize, |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 576 | const SkMatrix& initialTransform) |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 577 | : SkDevice(makeContentBitmap(contentSize, &initialTransform)), |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 578 | fPageSize(pageSize), |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 579 | fContentSize(contentSize), |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 580 | fLastContentEntry(NULL), |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 581 | fLastMarginContentEntry(NULL), |
| 582 | fClipStack(NULL) { |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 583 | // Skia generally uses the top left as the origin but PDF natively has the |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 584 | // origin at the bottom left. This matrix corrects for that. But that only |
| 585 | // needs to be done once, we don't do it when layering. |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 586 | fInitialTransform.setTranslate(0, SkIntToScalar(pageSize.fHeight)); |
| 587 | fInitialTransform.preScale(SK_Scalar1, -SK_Scalar1); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 588 | fInitialTransform.preConcat(initialTransform); |
| 589 | |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 590 | SkIRect existingClip = SkIRect::MakeWH(this->width(), this->height()); |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 591 | fExistingClipRegion.setRect(existingClip); |
| 592 | |
| 593 | this->init(); |
| 594 | } |
| 595 | |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 596 | // TODO(vandebo) change layerSize to SkSize. |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 597 | SkPDFDevice::SkPDFDevice(const SkISize& layerSize, |
| 598 | const SkClipStack& existingClipStack, |
| 599 | const SkRegion& existingClipRegion) |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 600 | : SkDevice(makeContentBitmap(layerSize, NULL)), |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 601 | fPageSize(layerSize), |
| 602 | fContentSize(layerSize), |
| 603 | fExistingClipStack(existingClipStack), |
| 604 | fExistingClipRegion(existingClipRegion), |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 605 | fLastContentEntry(NULL), |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 606 | fLastMarginContentEntry(NULL), |
| 607 | fClipStack(NULL) { |
vandebo@chromium.org | a0c7edb | 2011-05-09 07:58:08 +0000 | [diff] [blame] | 608 | fInitialTransform.reset(); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 609 | this->init(); |
| 610 | } |
| 611 | |
| 612 | SkPDFDevice::~SkPDFDevice() { |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 613 | this->cleanUp(true); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | void SkPDFDevice::init() { |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 617 | fAnnotations = NULL; |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 618 | fResourceDict = NULL; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 619 | fContentEntries.reset(); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 620 | fLastContentEntry = NULL; |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 621 | fMarginContentEntries.reset(); |
| 622 | fLastMarginContentEntry = NULL; |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 623 | fDrawingArea = kContent_DrawingArea; |
| 624 | if (fFontGlyphUsage == NULL) { |
| 625 | fFontGlyphUsage.reset(new SkPDFGlyphSetMap()); |
| 626 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 627 | } |
| 628 | |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 629 | void SkPDFDevice::cleanUp(bool clearFontUsage) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 630 | fGraphicStateResources.unrefAll(); |
| 631 | fXObjectResources.unrefAll(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 632 | fFontResources.unrefAll(); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 633 | fShaderResources.unrefAll(); |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 634 | SkSafeUnref(fAnnotations); |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 635 | SkSafeUnref(fResourceDict); |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 636 | |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 637 | if (clearFontUsage) { |
| 638 | fFontGlyphUsage->reset(); |
| 639 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 640 | } |
| 641 | |
reed@google.com | 982cb87 | 2011-12-07 18:34:08 +0000 | [diff] [blame] | 642 | uint32_t SkPDFDevice::getDeviceCapabilities() { |
| 643 | return kVector_Capability; |
| 644 | } |
| 645 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 646 | void SkPDFDevice::clear(SkColor color) { |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 647 | this->cleanUp(true); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 648 | this->init(); |
| 649 | |
| 650 | SkPaint paint; |
| 651 | paint.setColor(color); |
| 652 | paint.setStyle(SkPaint::kFill_Style); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 653 | SkMatrix identity; |
| 654 | identity.reset(); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 655 | ScopedContentEntry content(this, &fExistingClipStack, fExistingClipRegion, |
| 656 | identity, paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 657 | internalDrawPaint(paint, content.entry()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 658 | } |
| 659 | |
| 660 | void SkPDFDevice::drawPaint(const SkDraw& d, const SkPaint& paint) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 661 | SkPaint newPaint = paint; |
| 662 | newPaint.setStyle(SkPaint::kFill_Style); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 663 | ScopedContentEntry content(this, d, newPaint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 664 | internalDrawPaint(newPaint, content.entry()); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 665 | } |
| 666 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 667 | void SkPDFDevice::internalDrawPaint(const SkPaint& paint, |
| 668 | ContentEntry* contentEntry) { |
| 669 | if (!contentEntry) { |
| 670 | return; |
| 671 | } |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 672 | SkRect bbox = SkRect::MakeWH(SkIntToScalar(this->width()), |
| 673 | SkIntToScalar(this->height())); |
| 674 | SkMatrix totalTransform = fInitialTransform; |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 675 | totalTransform.preConcat(contentEntry->fState.fMatrix); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 676 | SkMatrix inverse; |
vandebo@chromium.org | b054990 | 2012-04-13 20:45:46 +0000 | [diff] [blame] | 677 | if (!totalTransform.invert(&inverse)) { |
vandebo@chromium.org | 386dfc0 | 2012-04-17 22:31:52 +0000 | [diff] [blame] | 678 | return; |
vandebo@chromium.org | b054990 | 2012-04-13 20:45:46 +0000 | [diff] [blame] | 679 | } |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 680 | inverse.mapRect(&bbox); |
| 681 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 682 | SkPDFUtils::AppendRectangle(bbox, &contentEntry->fContent); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 683 | SkPDFUtils::PaintPath(paint.getStyle(), SkPath::kWinding_FillType, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 684 | &contentEntry->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | void SkPDFDevice::drawPoints(const SkDraw& d, SkCanvas::PointMode mode, |
| 688 | size_t count, const SkPoint* points, |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 689 | const SkPaint& passedPaint) { |
| 690 | if (count == 0) { |
| 691 | return; |
| 692 | } |
| 693 | |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 694 | // SkDraw::drawPoints converts to multiple calls to fDevice->drawPath. |
| 695 | // We only use this when there's a path effect because of the overhead |
| 696 | // of multiple calls to setUpContentEntry it causes. |
| 697 | if (passedPaint.getPathEffect()) { |
| 698 | if (d.fClip->isEmpty()) { |
| 699 | return; |
| 700 | } |
| 701 | SkDraw pointDraw(d); |
| 702 | pointDraw.fDevice = this; |
| 703 | pointDraw.drawPoints(mode, count, points, passedPaint, true); |
| 704 | return; |
| 705 | } |
| 706 | |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 707 | const SkPaint* paint = &passedPaint; |
| 708 | SkPaint modifiedPaint; |
| 709 | |
| 710 | if (mode == SkCanvas::kPoints_PointMode && |
| 711 | paint->getStrokeCap() != SkPaint::kRound_Cap) { |
| 712 | modifiedPaint = *paint; |
| 713 | paint = &modifiedPaint; |
| 714 | if (paint->getStrokeWidth()) { |
| 715 | // PDF won't draw a single point with square/butt caps because the |
| 716 | // orientation is ambiguous. Draw a rectangle instead. |
| 717 | modifiedPaint.setStyle(SkPaint::kFill_Style); |
| 718 | SkScalar strokeWidth = paint->getStrokeWidth(); |
| 719 | SkScalar halfStroke = SkScalarHalf(strokeWidth); |
| 720 | for (size_t i = 0; i < count; i++) { |
| 721 | SkRect r = SkRect::MakeXYWH(points[i].fX, points[i].fY, 0, 0); |
| 722 | r.inset(-halfStroke, -halfStroke); |
| 723 | drawRect(d, r, modifiedPaint); |
| 724 | } |
| 725 | return; |
| 726 | } else { |
| 727 | modifiedPaint.setStrokeCap(SkPaint::kRound_Cap); |
| 728 | } |
| 729 | } |
| 730 | |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 731 | ScopedContentEntry content(this, d, *paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 732 | if (!content.entry()) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 733 | return; |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 734 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 735 | |
| 736 | switch (mode) { |
| 737 | case SkCanvas::kPolygon_PointMode: |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 738 | SkPDFUtils::MoveTo(points[0].fX, points[0].fY, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 739 | &content.entry()->fContent); |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 740 | for (size_t i = 1; i < count; i++) { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 741 | SkPDFUtils::AppendLine(points[i].fX, points[i].fY, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 742 | &content.entry()->fContent); |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 743 | } |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 744 | SkPDFUtils::StrokePath(&content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 745 | break; |
| 746 | case SkCanvas::kLines_PointMode: |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 747 | for (size_t i = 0; i < count/2; i++) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 748 | SkPDFUtils::MoveTo(points[i * 2].fX, points[i * 2].fY, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 749 | &content.entry()->fContent); |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 750 | SkPDFUtils::AppendLine(points[i * 2 + 1].fX, |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 751 | points[i * 2 + 1].fY, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 752 | &content.entry()->fContent); |
| 753 | SkPDFUtils::StrokePath(&content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 754 | } |
| 755 | break; |
| 756 | case SkCanvas::kPoints_PointMode: |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 757 | SkASSERT(paint->getStrokeCap() == SkPaint::kRound_Cap); |
| 758 | for (size_t i = 0; i < count; i++) { |
| 759 | SkPDFUtils::MoveTo(points[i].fX, points[i].fY, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 760 | &content.entry()->fContent); |
| 761 | SkPDFUtils::ClosePath(&content.entry()->fContent); |
| 762 | SkPDFUtils::StrokePath(&content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 763 | } |
| 764 | break; |
| 765 | default: |
| 766 | SkASSERT(false); |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | void SkPDFDevice::drawRect(const SkDraw& d, const SkRect& r, |
| 771 | const SkPaint& paint) { |
| 772 | if (paint.getPathEffect()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 773 | if (d.fClip->isEmpty()) { |
| 774 | return; |
| 775 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 776 | SkPath path; |
| 777 | path.addRect(r); |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 778 | drawPath(d, path, paint, NULL, true); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 779 | return; |
| 780 | } |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 781 | |
vandebo@chromium.org | 238be8c | 2012-07-13 20:06:02 +0000 | [diff] [blame] | 782 | if (handleAnnotations(r, *d.fMatrix, paint)) { |
| 783 | return; |
| 784 | } |
| 785 | |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 786 | ScopedContentEntry content(this, d, paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 787 | if (!content.entry()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 788 | return; |
| 789 | } |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 790 | SkPDFUtils::AppendRectangle(r, &content.entry()->fContent); |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 791 | SkPDFUtils::PaintPath(paint.getStyle(), SkPath::kWinding_FillType, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 792 | &content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 793 | } |
| 794 | |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 795 | void SkPDFDevice::drawPath(const SkDraw& d, const SkPath& origPath, |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 796 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
| 797 | bool pathIsMutable) { |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 798 | SkPath modifiedPath; |
| 799 | SkPath* pathPtr = const_cast<SkPath*>(&origPath); |
| 800 | |
| 801 | SkMatrix matrix = *d.fMatrix; |
| 802 | if (prePathMatrix) { |
| 803 | if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) { |
| 804 | if (!pathIsMutable) { |
| 805 | pathPtr = &modifiedPath; |
| 806 | pathIsMutable = true; |
| 807 | } |
| 808 | origPath.transform(*prePathMatrix, pathPtr); |
| 809 | } else { |
| 810 | if (!matrix.preConcat(*prePathMatrix)) { |
| 811 | return; |
| 812 | } |
| 813 | } |
| 814 | } |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 815 | |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 816 | if (paint.getPathEffect()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 817 | if (d.fClip->isEmpty()) { |
| 818 | return; |
| 819 | } |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 820 | if (!pathIsMutable) { |
| 821 | pathPtr = &modifiedPath; |
| 822 | pathIsMutable = true; |
| 823 | } |
| 824 | bool fill = paint.getFillPath(origPath, pathPtr); |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 825 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 826 | SkPaint noEffectPaint(paint); |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 827 | noEffectPaint.setPathEffect(NULL); |
| 828 | if (fill) { |
| 829 | noEffectPaint.setStyle(SkPaint::kFill_Style); |
| 830 | } else { |
| 831 | noEffectPaint.setStyle(SkPaint::kStroke_Style); |
| 832 | noEffectPaint.setStrokeWidth(0); |
| 833 | } |
| 834 | drawPath(d, *pathPtr, noEffectPaint, NULL, true); |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 835 | return; |
| 836 | } |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 837 | |
vandebo@chromium.org | 238be8c | 2012-07-13 20:06:02 +0000 | [diff] [blame] | 838 | if (handleAnnotations(pathPtr->getBounds(), *d.fMatrix, paint)) { |
| 839 | return; |
| 840 | } |
| 841 | |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 842 | ScopedContentEntry content(this, d, paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 843 | if (!content.entry()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 844 | return; |
| 845 | } |
vandebo@chromium.org | 683001c | 2012-05-09 17:17:51 +0000 | [diff] [blame] | 846 | SkPDFUtils::EmitPath(*pathPtr, paint.getStyle(), |
| 847 | &content.entry()->fContent); |
vandebo@chromium.org | ff39032 | 2011-05-17 18:58:44 +0000 | [diff] [blame] | 848 | SkPDFUtils::PaintPath(paint.getStyle(), pathPtr->getFillType(), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 849 | &content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 850 | } |
| 851 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 852 | void SkPDFDevice::drawBitmap(const SkDraw& d, const SkBitmap& bitmap, |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 853 | const SkIRect* srcRect, const SkMatrix& matrix, |
| 854 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 855 | if (d.fClip->isEmpty()) { |
| 856 | return; |
| 857 | } |
| 858 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 859 | SkMatrix transform = matrix; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 860 | transform.postConcat(*d.fMatrix); |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 861 | internalDrawBitmap(transform, d.fClipStack, *d.fClip, bitmap, srcRect, |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 862 | paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 863 | } |
| 864 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 865 | void SkPDFDevice::drawSprite(const SkDraw& d, const SkBitmap& bitmap, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 866 | int x, int y, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 867 | if (d.fClip->isEmpty()) { |
| 868 | return; |
| 869 | } |
| 870 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 871 | SkMatrix matrix; |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 872 | matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y)); |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 873 | internalDrawBitmap(matrix, d.fClipStack, *d.fClip, bitmap, NULL, paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 874 | } |
| 875 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 876 | void SkPDFDevice::drawText(const SkDraw& d, const void* text, size_t len, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 877 | SkScalar x, SkScalar y, const SkPaint& paint) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 878 | SkPaint textPaint = calculate_text_paint(paint); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 879 | ScopedContentEntry content(this, d, textPaint, true); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 880 | if (!content.entry()) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 881 | return; |
| 882 | } |
| 883 | |
vandebo@chromium.org | 4e1cc6a | 2013-01-25 19:27:23 +0000 | [diff] [blame^] | 884 | SkGlyphStorage storage(0); |
| 885 | uint16_t* glyphIDs = NULL; |
| 886 | size_t numGlyphs = force_glyph_encoding(paint, text, len, &storage, |
| 887 | &glyphIDs); |
| 888 | textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 889 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 890 | SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc(); |
bungeman@google.com | 9a87cee | 2011-08-23 17:02:18 +0000 | [diff] [blame] | 891 | align_text(glyphCacheProc, textPaint, glyphIDs, numGlyphs, &x, &y); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 892 | content.entry()->fContent.writeText("BT\n"); |
| 893 | set_text_transform(x, y, textPaint.getTextSkewX(), |
| 894 | &content.entry()->fContent); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 895 | size_t consumedGlyphCount = 0; |
| 896 | while (numGlyphs > consumedGlyphCount) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 897 | updateFont(textPaint, glyphIDs[consumedGlyphCount], content.entry()); |
| 898 | SkPDFFont* font = content.entry()->fState.fFont; |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 899 | size_t availableGlyphs = |
| 900 | font->glyphsToPDFFontEncoding(glyphIDs + consumedGlyphCount, |
| 901 | numGlyphs - consumedGlyphCount); |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 902 | fFontGlyphUsage->noteGlyphUsage(font, glyphIDs + consumedGlyphCount, |
| 903 | availableGlyphs); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 904 | SkString encodedString = |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 905 | SkPDFString::FormatString(glyphIDs + consumedGlyphCount, |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 906 | availableGlyphs, font->multiByteGlyphs()); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 907 | content.entry()->fContent.writeText(encodedString.c_str()); |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 908 | consumedGlyphCount += availableGlyphs; |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 909 | content.entry()->fContent.writeText(" Tj\n"); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 910 | } |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 911 | content.entry()->fContent.writeText("ET\n"); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 912 | } |
| 913 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 914 | void SkPDFDevice::drawPosText(const SkDraw& d, const void* text, size_t len, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 915 | const SkScalar pos[], SkScalar constY, |
| 916 | int scalarsPerPos, const SkPaint& paint) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 917 | SkASSERT(1 == scalarsPerPos || 2 == scalarsPerPos); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 918 | SkPaint textPaint = calculate_text_paint(paint); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 919 | ScopedContentEntry content(this, d, textPaint, true); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 920 | if (!content.entry()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 921 | return; |
| 922 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 923 | |
vandebo@chromium.org | 4e1cc6a | 2013-01-25 19:27:23 +0000 | [diff] [blame^] | 924 | SkGlyphStorage storage(0); |
| 925 | uint16_t* glyphIDs = NULL; |
| 926 | size_t numGlyphs = force_glyph_encoding(paint, text, len, &storage, |
| 927 | &glyphIDs); |
| 928 | textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 929 | |
| 930 | SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc(); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 931 | content.entry()->fContent.writeText("BT\n"); |
| 932 | updateFont(textPaint, glyphIDs[0], content.entry()); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 933 | for (size_t i = 0; i < numGlyphs; i++) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 934 | SkPDFFont* font = content.entry()->fState.fFont; |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 935 | uint16_t encodedValue = glyphIDs[i]; |
| 936 | if (font->glyphsToPDFFontEncoding(&encodedValue, 1) != 1) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 937 | updateFont(textPaint, glyphIDs[i], content.entry()); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 938 | i--; |
| 939 | continue; |
| 940 | } |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 941 | fFontGlyphUsage->noteGlyphUsage(font, &encodedValue, 1); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 942 | SkScalar x = pos[i * scalarsPerPos]; |
| 943 | SkScalar y = scalarsPerPos == 1 ? constY : pos[i * scalarsPerPos + 1]; |
bungeman@google.com | 9a87cee | 2011-08-23 17:02:18 +0000 | [diff] [blame] | 944 | align_text(glyphCacheProc, textPaint, glyphIDs + i, 1, &x, &y); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 945 | set_text_transform(x, y, textPaint.getTextSkewX(), |
| 946 | &content.entry()->fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 947 | SkString encodedString = |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 948 | SkPDFString::FormatString(&encodedValue, 1, |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 949 | font->multiByteGlyphs()); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 950 | content.entry()->fContent.writeText(encodedString.c_str()); |
| 951 | content.entry()->fContent.writeText(" Tj\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 952 | } |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 953 | content.entry()->fContent.writeText("ET\n"); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 954 | } |
| 955 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 956 | void SkPDFDevice::drawTextOnPath(const SkDraw& d, const void* text, size_t len, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 957 | const SkPath& path, const SkMatrix* matrix, |
| 958 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 959 | if (d.fClip->isEmpty()) { |
| 960 | return; |
| 961 | } |
vandebo@chromium.org | 290e3bb | 2011-11-08 23:42:53 +0000 | [diff] [blame] | 962 | d.drawTextOnPath((const char*)text, len, path, matrix, paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 963 | } |
| 964 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 965 | void SkPDFDevice::drawVertices(const SkDraw& d, SkCanvas::VertexMode, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 966 | int vertexCount, const SkPoint verts[], |
| 967 | const SkPoint texs[], const SkColor colors[], |
| 968 | SkXfermode* xmode, const uint16_t indices[], |
| 969 | int indexCount, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 970 | if (d.fClip->isEmpty()) { |
| 971 | return; |
| 972 | } |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 973 | NOT_IMPLEMENTED("drawVerticies", true); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 974 | } |
| 975 | |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 976 | void SkPDFDevice::drawDevice(const SkDraw& d, SkDevice* device, int x, int y, |
| 977 | const SkPaint& paint) { |
| 978 | if ((device->getDeviceCapabilities() & kVector_Capability) == 0) { |
| 979 | // If we somehow get a raster device, do what our parent would do. |
| 980 | SkDevice::drawDevice(d, device, x, y, paint); |
| 981 | return; |
| 982 | } |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 983 | |
vandebo@chromium.org | ee7a956 | 2011-05-24 17:38:01 +0000 | [diff] [blame] | 984 | // Assume that a vector capable device means that it's a PDF Device. |
| 985 | SkPDFDevice* pdfDevice = static_cast<SkPDFDevice*>(device); |
ctguil@chromium.org | f4ff39c | 2011-05-24 19:55:05 +0000 | [diff] [blame] | 986 | if (pdfDevice->isContentEmpty()) { |
vandebo@chromium.org | ee7a956 | 2011-05-24 17:38:01 +0000 | [diff] [blame] | 987 | return; |
| 988 | } |
| 989 | |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 990 | SkMatrix matrix; |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 991 | matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y)); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 992 | ScopedContentEntry content(this, d.fClipStack, *d.fClip, matrix, paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 993 | if (!content.entry()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 994 | return; |
| 995 | } |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 996 | |
| 997 | SkPDFFormXObject* xobject = new SkPDFFormXObject(pdfDevice); |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 998 | fXObjectResources.push(xobject); // Transfer reference. |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 999 | SkPDFUtils::DrawFormXObject(fXObjectResources.count() - 1, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1000 | &content.entry()->fContent); |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 1001 | |
| 1002 | // Merge glyph sets from the drawn device. |
| 1003 | fFontGlyphUsage->merge(pdfDevice->getFontGlyphUsage()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1004 | } |
| 1005 | |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 1006 | void SkPDFDevice::onAttachToCanvas(SkCanvas* canvas) { |
| 1007 | INHERITED::onAttachToCanvas(canvas); |
| 1008 | |
| 1009 | // Canvas promises that this ptr is valid until onDetachFromCanvas is called |
| 1010 | fClipStack = canvas->getClipStack(); |
| 1011 | } |
| 1012 | |
| 1013 | void SkPDFDevice::onDetachFromCanvas() { |
| 1014 | INHERITED::onDetachFromCanvas(); |
| 1015 | |
| 1016 | fClipStack = NULL; |
| 1017 | } |
| 1018 | |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1019 | ContentEntry* SkPDFDevice::getLastContentEntry() { |
| 1020 | if (fDrawingArea == kContent_DrawingArea) { |
| 1021 | return fLastContentEntry; |
| 1022 | } else { |
| 1023 | return fLastMarginContentEntry; |
| 1024 | } |
| 1025 | } |
| 1026 | |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1027 | SkTScopedPtr<ContentEntry>* SkPDFDevice::getContentEntries() { |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1028 | if (fDrawingArea == kContent_DrawingArea) { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1029 | return &fContentEntries; |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1030 | } else { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1031 | return &fMarginContentEntries; |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | void SkPDFDevice::setLastContentEntry(ContentEntry* contentEntry) { |
| 1036 | if (fDrawingArea == kContent_DrawingArea) { |
| 1037 | fLastContentEntry = contentEntry; |
| 1038 | } else { |
| 1039 | fLastMarginContentEntry = contentEntry; |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | void SkPDFDevice::setDrawingArea(DrawingArea drawingArea) { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1044 | // A ScopedContentEntry only exists during the course of a draw call, so |
| 1045 | // this can't be called while a ScopedContentEntry exists. |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1046 | fDrawingArea = drawingArea; |
| 1047 | } |
| 1048 | |
reed@google.com | 1feb330 | 2011-07-20 18:43:19 +0000 | [diff] [blame] | 1049 | SkPDFDict* SkPDFDevice::getResourceDict() { |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1050 | if (NULL == fResourceDict) { |
| 1051 | fResourceDict = SkNEW(SkPDFDict); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1052 | |
| 1053 | if (fGraphicStateResources.count()) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1054 | SkAutoTUnref<SkPDFDict> extGState(new SkPDFDict()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1055 | for (int i = 0; i < fGraphicStateResources.count(); i++) { |
| 1056 | SkString nameString("G"); |
| 1057 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 1058 | extGState->insert( |
| 1059 | nameString.c_str(), |
| 1060 | new SkPDFObjRef(fGraphicStateResources[i]))->unref(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1061 | } |
| 1062 | fResourceDict->insert("ExtGState", extGState.get()); |
| 1063 | } |
| 1064 | |
| 1065 | if (fXObjectResources.count()) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1066 | SkAutoTUnref<SkPDFDict> xObjects(new SkPDFDict()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1067 | for (int i = 0; i < fXObjectResources.count(); i++) { |
| 1068 | SkString nameString("X"); |
| 1069 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 1070 | xObjects->insert( |
| 1071 | nameString.c_str(), |
| 1072 | new SkPDFObjRef(fXObjectResources[i]))->unref(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1073 | } |
| 1074 | fResourceDict->insert("XObject", xObjects.get()); |
| 1075 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1076 | |
| 1077 | if (fFontResources.count()) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1078 | SkAutoTUnref<SkPDFDict> fonts(new SkPDFDict()); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1079 | for (int i = 0; i < fFontResources.count(); i++) { |
| 1080 | SkString nameString("F"); |
| 1081 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 1082 | fonts->insert(nameString.c_str(), |
| 1083 | new SkPDFObjRef(fFontResources[i]))->unref(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1084 | } |
| 1085 | fResourceDict->insert("Font", fonts.get()); |
| 1086 | } |
| 1087 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1088 | if (fShaderResources.count()) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1089 | SkAutoTUnref<SkPDFDict> patterns(new SkPDFDict()); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1090 | for (int i = 0; i < fShaderResources.count(); i++) { |
| 1091 | SkString nameString("P"); |
| 1092 | nameString.appendS32(i); |
| 1093 | patterns->insert(nameString.c_str(), |
| 1094 | new SkPDFObjRef(fShaderResources[i]))->unref(); |
| 1095 | } |
| 1096 | fResourceDict->insert("Pattern", patterns.get()); |
| 1097 | } |
| 1098 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1099 | // For compatibility, add all proc sets (only used for output to PS |
| 1100 | // devices). |
| 1101 | const char procs[][7] = {"PDF", "Text", "ImageB", "ImageC", "ImageI"}; |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1102 | SkAutoTUnref<SkPDFArray> procSets(new SkPDFArray()); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1103 | procSets->reserve(SK_ARRAY_COUNT(procs)); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 1104 | for (size_t i = 0; i < SK_ARRAY_COUNT(procs); i++) |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 1105 | procSets->appendName(procs[i]); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1106 | fResourceDict->insert("ProcSet", procSets.get()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1107 | } |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1108 | return fResourceDict; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1109 | } |
| 1110 | |
vandebo@chromium.org | 188838c | 2012-03-09 22:16:58 +0000 | [diff] [blame] | 1111 | void SkPDFDevice::getResources(SkTDArray<SkPDFObject*>* resourceList, |
| 1112 | bool recursive) const { |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 1113 | resourceList->setReserve(resourceList->count() + |
| 1114 | fGraphicStateResources.count() + |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1115 | fXObjectResources.count() + |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1116 | fFontResources.count() + |
| 1117 | fShaderResources.count()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1118 | for (int i = 0; i < fGraphicStateResources.count(); i++) { |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 1119 | resourceList->push(fGraphicStateResources[i]); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1120 | fGraphicStateResources[i]->ref(); |
vandebo@chromium.org | 188838c | 2012-03-09 22:16:58 +0000 | [diff] [blame] | 1121 | if (recursive) { |
| 1122 | fGraphicStateResources[i]->getResources(resourceList); |
| 1123 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1124 | } |
| 1125 | for (int i = 0; i < fXObjectResources.count(); i++) { |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 1126 | resourceList->push(fXObjectResources[i]); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1127 | fXObjectResources[i]->ref(); |
vandebo@chromium.org | 188838c | 2012-03-09 22:16:58 +0000 | [diff] [blame] | 1128 | if (recursive) { |
| 1129 | fXObjectResources[i]->getResources(resourceList); |
| 1130 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1131 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1132 | for (int i = 0; i < fFontResources.count(); i++) { |
| 1133 | resourceList->push(fFontResources[i]); |
| 1134 | fFontResources[i]->ref(); |
vandebo@chromium.org | 188838c | 2012-03-09 22:16:58 +0000 | [diff] [blame] | 1135 | if (recursive) { |
| 1136 | fFontResources[i]->getResources(resourceList); |
| 1137 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1138 | } |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1139 | for (int i = 0; i < fShaderResources.count(); i++) { |
| 1140 | resourceList->push(fShaderResources[i]); |
| 1141 | fShaderResources[i]->ref(); |
vandebo@chromium.org | 188838c | 2012-03-09 22:16:58 +0000 | [diff] [blame] | 1142 | if (recursive) { |
| 1143 | fShaderResources[i]->getResources(resourceList); |
| 1144 | } |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1145 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
vandebo@chromium.org | f0ec266 | 2011-05-29 05:55:42 +0000 | [diff] [blame] | 1148 | const SkTDArray<SkPDFFont*>& SkPDFDevice::getFontResources() const { |
| 1149 | return fFontResources; |
| 1150 | } |
| 1151 | |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 1152 | SkPDFArray* SkPDFDevice::copyMediaBox() const { |
| 1153 | // should this be a singleton? |
| 1154 | SkAutoTUnref<SkPDFInt> zero(SkNEW_ARGS(SkPDFInt, (0))); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 1155 | |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 1156 | SkPDFArray* mediaBox = SkNEW(SkPDFArray); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1157 | mediaBox->reserve(4); |
| 1158 | mediaBox->append(zero.get()); |
| 1159 | mediaBox->append(zero.get()); |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 1160 | mediaBox->appendInt(fPageSize.fWidth); |
| 1161 | mediaBox->appendInt(fPageSize.fHeight); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1162 | return mediaBox; |
| 1163 | } |
| 1164 | |
vandebo@chromium.org | c2a9b7f | 2011-02-24 23:22:30 +0000 | [diff] [blame] | 1165 | SkStream* SkPDFDevice::content() const { |
reed@google.com | 5667afc | 2011-06-27 14:42:15 +0000 | [diff] [blame] | 1166 | SkMemoryStream* result = new SkMemoryStream; |
| 1167 | result->setData(this->copyContentToData())->unref(); |
| 1168 | return result; |
| 1169 | } |
| 1170 | |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1171 | void SkPDFDevice::copyContentEntriesToData(ContentEntry* entry, |
| 1172 | SkWStream* data) const { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1173 | // TODO(ctguil): For margins, I'm not sure fExistingClipStack/Region is the |
| 1174 | // right thing to pass here. |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1175 | GraphicStackState gsState(fExistingClipStack, fExistingClipRegion, data); |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1176 | while (entry != NULL) { |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 1177 | SkPoint translation; |
| 1178 | translation.iset(this->getOrigin()); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1179 | translation.negate(); |
| 1180 | gsState.updateClip(entry->fState.fClipStack, entry->fState.fClipRegion, |
| 1181 | translation); |
| 1182 | gsState.updateMatrix(entry->fState.fMatrix); |
| 1183 | gsState.updateDrawingState(entry->fState); |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1184 | |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1185 | SkAutoDataUnref copy(entry->fContent.copyToData()); |
robertphillips@google.com | 59f46b8 | 2012-07-10 17:30:58 +0000 | [diff] [blame] | 1186 | data->write(copy->data(), copy->size()); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1187 | entry = entry->fNext.get(); |
| 1188 | } |
| 1189 | gsState.drainStack(); |
| 1190 | } |
| 1191 | |
reed@google.com | 5667afc | 2011-06-27 14:42:15 +0000 | [diff] [blame] | 1192 | SkData* SkPDFDevice::copyContentToData() const { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1193 | SkDynamicMemoryWStream data; |
| 1194 | if (fInitialTransform.getType() != SkMatrix::kIdentity_Mask) { |
| 1195 | SkPDFUtils::AppendTransform(fInitialTransform, &data); |
vandebo@chromium.org | c2a9b7f | 2011-02-24 23:22:30 +0000 | [diff] [blame] | 1196 | } |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1197 | |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1198 | // TODO(aayushkumar): Apply clip along the margins. Currently, webkit |
| 1199 | // colors the contentArea white before it starts drawing into it and |
| 1200 | // that currently acts as our clip. |
| 1201 | // Also, think about adding a transform here (or assume that the values |
| 1202 | // sent across account for that) |
| 1203 | SkPDFDevice::copyContentEntriesToData(fMarginContentEntries.get(), &data); |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1204 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1205 | // If the content area is the entire page, then we don't need to clip |
| 1206 | // the content area (PDF area clips to the page size). Otherwise, |
| 1207 | // we have to clip to the content area; we've already applied the |
| 1208 | // initial transform, so just clip to the device size. |
| 1209 | if (fPageSize != fContentSize) { |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1210 | SkRect r = SkRect::MakeWH(SkIntToScalar(this->width()), |
| 1211 | SkIntToScalar(this->height())); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1212 | emit_clip(NULL, &r, &data); |
| 1213 | } |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 1214 | |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1215 | SkPDFDevice::copyContentEntriesToData(fContentEntries.get(), &data); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1216 | |
reed@google.com | 5667afc | 2011-06-27 14:42:15 +0000 | [diff] [blame] | 1217 | // potentially we could cache this SkData, and only rebuild it if we |
| 1218 | // see that our state has changed. |
| 1219 | return data.copyToData(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1220 | } |
| 1221 | |
vandebo@chromium.org | 238be8c | 2012-07-13 20:06:02 +0000 | [diff] [blame] | 1222 | bool SkPDFDevice::handleAnnotations(const SkRect& r, const SkMatrix& matrix, |
| 1223 | const SkPaint& p) { |
| 1224 | SkAnnotation* annotationInfo = p.getAnnotation(); |
| 1225 | if (!annotationInfo) { |
| 1226 | return false; |
| 1227 | } |
| 1228 | SkData* urlData = annotationInfo->find(SkAnnotationKeys::URL_Key()); |
| 1229 | if (!urlData) { |
| 1230 | return false; |
| 1231 | } |
| 1232 | |
| 1233 | SkString url(static_cast<const char *>(urlData->data()), |
| 1234 | urlData->size() - 1); |
| 1235 | SkMatrix transform = matrix; |
| 1236 | transform.postConcat(fInitialTransform); |
| 1237 | SkRect translatedRect; |
| 1238 | transform.mapRect(&translatedRect, r); |
| 1239 | |
reed@google.com | 2a006c1 | 2012-09-19 17:05:55 +0000 | [diff] [blame] | 1240 | if (NULL == fAnnotations) { |
| 1241 | fAnnotations = SkNEW(SkPDFArray); |
vandebo@chromium.org | 238be8c | 2012-07-13 20:06:02 +0000 | [diff] [blame] | 1242 | } |
| 1243 | SkAutoTUnref<SkPDFDict> annotation(new SkPDFDict("Annot")); |
| 1244 | annotation->insertName("Subtype", "Link"); |
| 1245 | fAnnotations->append(annotation.get()); |
| 1246 | |
| 1247 | SkAutoTUnref<SkPDFArray> border(new SkPDFArray); |
| 1248 | border->reserve(3); |
| 1249 | border->appendInt(0); // Horizontal corner radius. |
| 1250 | border->appendInt(0); // Vertical corner radius. |
| 1251 | border->appendInt(0); // Width, 0 = no border. |
| 1252 | annotation->insert("Border", border.get()); |
| 1253 | |
| 1254 | SkAutoTUnref<SkPDFArray> rect(new SkPDFArray); |
| 1255 | rect->reserve(4); |
| 1256 | rect->appendScalar(translatedRect.fLeft); |
| 1257 | rect->appendScalar(translatedRect.fTop); |
| 1258 | rect->appendScalar(translatedRect.fRight); |
| 1259 | rect->appendScalar(translatedRect.fBottom); |
| 1260 | annotation->insert("Rect", rect.get()); |
| 1261 | |
| 1262 | SkAutoTUnref<SkPDFDict> action(new SkPDFDict("Action")); |
| 1263 | action->insertName("S", "URI"); |
| 1264 | action->insert("URI", new SkPDFString(url))->unref(); |
| 1265 | annotation->insert("A", action.get()); |
| 1266 | |
| 1267 | return p.isNoDrawAnnotation(); |
| 1268 | } |
| 1269 | |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1270 | SkPDFFormXObject* SkPDFDevice::createFormXObjectFromDevice() { |
| 1271 | SkPDFFormXObject* xobject = SkNEW_ARGS(SkPDFFormXObject, (this)); |
vandebo@chromium.org | 9859428 | 2011-07-25 22:34:12 +0000 | [diff] [blame] | 1272 | // We always draw the form xobjects that we create back into the device, so |
| 1273 | // we simply preserve the font usage instead of pulling it out and merging |
| 1274 | // it back in later. |
| 1275 | cleanUp(false); // Reset this device to have no content. |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1276 | init(); |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1277 | return xobject; |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1278 | } |
| 1279 | |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1280 | void SkPDFDevice::clearClipFromContent(const SkClipStack* clipStack, |
| 1281 | const SkRegion& clipRegion) { |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1282 | if (clipRegion.isEmpty() || isContentEmpty()) { |
| 1283 | return; |
| 1284 | } |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1285 | SkAutoTUnref<SkPDFFormXObject> curContent(createFormXObjectFromDevice()); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1286 | |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1287 | // Redraw what we already had, but with the clip as a mask. |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1288 | drawFormXObjectWithClip(curContent, clipStack, clipRegion, true); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | void SkPDFDevice::drawFormXObjectWithClip(SkPDFFormXObject* xobject, |
| 1292 | const SkClipStack* clipStack, |
| 1293 | const SkRegion& clipRegion, |
| 1294 | bool invertClip) { |
| 1295 | if (clipRegion.isEmpty() && !invertClip) { |
| 1296 | return; |
| 1297 | } |
| 1298 | |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1299 | // Create the mask. |
| 1300 | SkMatrix identity; |
| 1301 | identity.reset(); |
| 1302 | SkDraw draw; |
| 1303 | draw.fMatrix = &identity; |
| 1304 | draw.fClip = &clipRegion; |
| 1305 | draw.fClipStack = clipStack; |
| 1306 | SkPaint stockPaint; |
| 1307 | this->drawPaint(draw, stockPaint); |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1308 | SkAutoTUnref<SkPDFFormXObject> maskFormXObject(createFormXObjectFromDevice()); |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1309 | SkAutoTUnref<SkPDFGraphicState> sMaskGS( |
| 1310 | SkPDFGraphicState::GetSMaskGraphicState(maskFormXObject, invertClip)); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1311 | |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1312 | // Draw the xobject with the clip as a mask. |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 1313 | ScopedContentEntry content(this, &fExistingClipStack, fExistingClipRegion, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1314 | identity, stockPaint); |
| 1315 | if (!content.entry()) { |
| 1316 | return; |
| 1317 | } |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1318 | SkPDFUtils::ApplyGraphicState(addGraphicStateResource(sMaskGS.get()), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1319 | &content.entry()->fContent); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1320 | SkPDFUtils::DrawFormXObject(fXObjectResources.count(), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1321 | &content.entry()->fContent); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1322 | fXObjectResources.push(xobject); |
| 1323 | xobject->ref(); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1324 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1325 | sMaskGS.reset(SkPDFGraphicState::GetNoSMaskGraphicState()); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1326 | SkPDFUtils::ApplyGraphicState(addGraphicStateResource(sMaskGS.get()), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1327 | &content.entry()->fContent); |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1328 | } |
| 1329 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1330 | ContentEntry* SkPDFDevice::setUpContentEntry(const SkClipStack* clipStack, |
| 1331 | const SkRegion& clipRegion, |
| 1332 | const SkMatrix& matrix, |
| 1333 | const SkPaint& paint, |
| 1334 | bool hasText, |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1335 | SkPDFFormXObject** dst) { |
| 1336 | *dst = NULL; |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1337 | if (clipRegion.isEmpty()) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1338 | return NULL; |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1339 | } |
| 1340 | |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 1341 | // The clip stack can come from an SkDraw where it is technically optional. |
| 1342 | SkClipStack synthesizedClipStack; |
| 1343 | if (clipStack == NULL) { |
| 1344 | if (clipRegion == fExistingClipRegion) { |
| 1345 | clipStack = &fExistingClipStack; |
| 1346 | } else { |
| 1347 | // GraphicStackState::updateClip expects the clip stack to have |
| 1348 | // fExistingClip as a prefix, so start there, then set the clip |
| 1349 | // to the passed region. |
| 1350 | synthesizedClipStack = fExistingClipStack; |
| 1351 | SkPath clipPath; |
| 1352 | clipRegion.getBoundaryPath(&clipPath); |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1353 | synthesizedClipStack.clipDevPath(clipPath, SkRegion::kReplace_Op, |
| 1354 | false); |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 1355 | clipStack = &synthesizedClipStack; |
| 1356 | } |
| 1357 | } |
| 1358 | |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1359 | SkXfermode::Mode xfermode = SkXfermode::kSrcOver_Mode; |
| 1360 | if (paint.getXfermode()) { |
| 1361 | paint.getXfermode()->asMode(&xfermode); |
| 1362 | } |
| 1363 | |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1364 | if (xfermode == SkXfermode::kClear_Mode || |
| 1365 | xfermode == SkXfermode::kSrc_Mode) { |
vandebo@chromium.org | 466f3d6 | 2011-05-18 23:06:29 +0000 | [diff] [blame] | 1366 | this->clearClipFromContent(clipStack, clipRegion); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1367 | } else if (xfermode == SkXfermode::kSrcIn_Mode || |
| 1368 | xfermode == SkXfermode::kDstIn_Mode || |
| 1369 | xfermode == SkXfermode::kSrcOut_Mode || |
| 1370 | xfermode == SkXfermode::kDstOut_Mode) { |
| 1371 | // For the following modes, we use both source and destination, but |
| 1372 | // we use one as a smask for the other, so we have to make form xobjects |
| 1373 | // out of both of them: SrcIn, DstIn, SrcOut, DstOut. |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1374 | if (isContentEmpty()) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1375 | return NULL; |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1376 | } else { |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1377 | *dst = createFormXObjectFromDevice(); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1378 | } |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1379 | } |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 1380 | // TODO(vandebo): Figure out how/if we can handle the following modes: |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1381 | // SrcAtop, DestAtop, Xor, Plus. |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1382 | |
| 1383 | // These xfer modes don't draw source at all. |
| 1384 | if (xfermode == SkXfermode::kClear_Mode || |
| 1385 | xfermode == SkXfermode::kDst_Mode) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1386 | return NULL; |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1387 | } |
| 1388 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1389 | ContentEntry* entry; |
| 1390 | SkTScopedPtr<ContentEntry> newEntry; |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1391 | |
| 1392 | ContentEntry* lastContentEntry = getLastContentEntry(); |
| 1393 | if (lastContentEntry && lastContentEntry->fContent.getOffset() == 0) { |
| 1394 | entry = lastContentEntry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1395 | } else { |
| 1396 | newEntry.reset(new ContentEntry); |
| 1397 | entry = newEntry.get(); |
| 1398 | } |
| 1399 | |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 1400 | populateGraphicStateEntryFromPaint(matrix, *clipStack, clipRegion, paint, |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1401 | hasText, &entry->fState); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1402 | if (lastContentEntry && xfermode != SkXfermode::kDstOver_Mode && |
| 1403 | entry->fState.compareInitialState(lastContentEntry->fState)) { |
| 1404 | return lastContentEntry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1405 | } |
| 1406 | |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1407 | SkTScopedPtr<ContentEntry>* contentEntries = getContentEntries(); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1408 | if (!lastContentEntry) { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1409 | contentEntries->reset(entry); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1410 | setLastContentEntry(entry); |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1411 | } else if (xfermode == SkXfermode::kDstOver_Mode) { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1412 | entry->fNext.reset(contentEntries->release()); |
| 1413 | contentEntries->reset(entry); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1414 | } else { |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1415 | lastContentEntry->fNext.reset(entry); |
| 1416 | setLastContentEntry(entry); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1417 | } |
| 1418 | newEntry.release(); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1419 | return entry; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1420 | } |
| 1421 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1422 | void SkPDFDevice::finishContentEntry(const SkXfermode::Mode xfermode, |
| 1423 | SkPDFFormXObject* dst) { |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1424 | if (xfermode != SkXfermode::kSrcIn_Mode && |
| 1425 | xfermode != SkXfermode::kDstIn_Mode && |
| 1426 | xfermode != SkXfermode::kSrcOut_Mode && |
| 1427 | xfermode != SkXfermode::kDstOut_Mode) { |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1428 | SkASSERT(!dst); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1429 | return; |
| 1430 | } |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1431 | |
| 1432 | ContentEntry* contentEntries = getContentEntries()->get(); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1433 | SkASSERT(dst); |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1434 | SkASSERT(!contentEntries->fNext.get()); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1435 | // We have to make a copy of these here because changing the current |
| 1436 | // content into a form xobject will destroy them. |
ctguil@chromium.org | 8dcf74f | 2011-07-12 21:56:27 +0000 | [diff] [blame] | 1437 | SkClipStack clipStack = contentEntries->fState.fClipStack; |
| 1438 | SkRegion clipRegion = contentEntries->fState.fClipRegion; |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1439 | |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1440 | SkAutoTUnref<SkPDFFormXObject> srcFormXObject; |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1441 | if (!isContentEmpty()) { |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1442 | srcFormXObject.reset(createFormXObjectFromDevice()); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1443 | } |
| 1444 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1445 | drawFormXObjectWithClip(dst, &clipStack, clipRegion, true); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1446 | |
| 1447 | // We've redrawn dst minus the clip area, if there's no src, we're done. |
| 1448 | if (!srcFormXObject.get()) { |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1449 | return; |
| 1450 | } |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1451 | |
| 1452 | SkMatrix identity; |
| 1453 | identity.reset(); |
| 1454 | SkPaint stockPaint; |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 1455 | ScopedContentEntry inClipContentEntry(this, &fExistingClipStack, |
| 1456 | fExistingClipRegion, identity, |
| 1457 | stockPaint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1458 | if (!inClipContentEntry.entry()) { |
| 1459 | return; |
| 1460 | } |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1461 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1462 | SkAutoTUnref<SkPDFGraphicState> sMaskGS; |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1463 | if (xfermode == SkXfermode::kSrcIn_Mode || |
| 1464 | xfermode == SkXfermode::kSrcOut_Mode) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1465 | sMaskGS.reset(SkPDFGraphicState::GetSMaskGraphicState( |
| 1466 | dst, xfermode == SkXfermode::kSrcOut_Mode)); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1467 | fXObjectResources.push(srcFormXObject.get()); |
reed@google.com | fc641d0 | 2012-09-20 17:52:20 +0000 | [diff] [blame] | 1468 | srcFormXObject.get()->ref(); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1469 | } else { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1470 | sMaskGS.reset(SkPDFGraphicState::GetSMaskGraphicState( |
| 1471 | srcFormXObject.get(), xfermode == SkXfermode::kDstOut_Mode)); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1472 | // dst already added to fXObjectResources in drawFormXObjectWithClip. |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1473 | } |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1474 | SkPDFUtils::ApplyGraphicState(addGraphicStateResource(sMaskGS.get()), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1475 | &inClipContentEntry.entry()->fContent); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1476 | |
| 1477 | SkPDFUtils::DrawFormXObject(fXObjectResources.count() - 1, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1478 | &inClipContentEntry.entry()->fContent); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1479 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1480 | sMaskGS.reset(SkPDFGraphicState::GetNoSMaskGraphicState()); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1481 | SkPDFUtils::ApplyGraphicState(addGraphicStateResource(sMaskGS.get()), |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1482 | &inClipContentEntry.entry()->fContent); |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1483 | } |
| 1484 | |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1485 | bool SkPDFDevice::isContentEmpty() { |
ctguil@chromium.org | 9510ccc | 2011-07-27 00:10:51 +0000 | [diff] [blame] | 1486 | ContentEntry* contentEntries = getContentEntries()->get(); |
| 1487 | if (!contentEntries || contentEntries->fContent.getOffset() == 0) { |
| 1488 | SkASSERT(!contentEntries || !contentEntries->fNext.get()); |
vandebo@chromium.org | 481aef6 | 2011-05-24 16:39:05 +0000 | [diff] [blame] | 1489 | return true; |
| 1490 | } |
| 1491 | return false; |
| 1492 | } |
| 1493 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1494 | void SkPDFDevice::populateGraphicStateEntryFromPaint( |
| 1495 | const SkMatrix& matrix, |
| 1496 | const SkClipStack& clipStack, |
| 1497 | const SkRegion& clipRegion, |
| 1498 | const SkPaint& paint, |
| 1499 | bool hasText, |
| 1500 | GraphicStateEntry* entry) { |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1501 | SkASSERT(paint.getPathEffect() == NULL); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1502 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1503 | NOT_IMPLEMENTED(paint.getMaskFilter() != NULL, false); |
| 1504 | NOT_IMPLEMENTED(paint.getColorFilter() != NULL, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1505 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1506 | entry->fMatrix = matrix; |
| 1507 | entry->fClipStack = clipStack; |
| 1508 | entry->fClipRegion = clipRegion; |
vandebo@chromium.org | da6c569 | 2012-06-28 21:37:20 +0000 | [diff] [blame] | 1509 | entry->fColor = SkColorSetA(paint.getColor(), 0xFF); |
| 1510 | entry->fShaderIndex = -1; |
vandebo@chromium.org | 4854327 | 2011-02-08 19:28:07 +0000 | [diff] [blame] | 1511 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1512 | // PDF treats a shader as a color, so we only set one or the other. |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1513 | SkAutoTUnref<SkPDFObject> pdfShader; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1514 | const SkShader* shader = paint.getShader(); |
| 1515 | SkColor color = paint.getColor(); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1516 | if (shader) { |
| 1517 | // PDF positions patterns relative to the initial transform, so |
| 1518 | // we need to apply the current transform to the shader parameters. |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1519 | SkMatrix transform = matrix; |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 1520 | transform.postConcat(fInitialTransform); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1521 | |
| 1522 | // PDF doesn't support kClamp_TileMode, so we simulate it by making |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1523 | // a pattern the size of the current clip. |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1524 | SkIRect bounds = clipRegion.getBounds(); |
vandebo@chromium.org | 293a758 | 2012-03-16 19:50:37 +0000 | [diff] [blame] | 1525 | |
| 1526 | // We need to apply the initial transform to bounds in order to get |
| 1527 | // bounds in a consistent coordinate system. |
| 1528 | SkRect boundsTemp; |
| 1529 | boundsTemp.set(bounds); |
| 1530 | fInitialTransform.mapRect(&boundsTemp); |
| 1531 | boundsTemp.roundOut(&bounds); |
| 1532 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1533 | pdfShader.reset(SkPDFShader::GetPDFShader(*shader, transform, bounds)); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1534 | |
vandebo@chromium.org | b88cfe5 | 2011-07-18 18:40:32 +0000 | [diff] [blame] | 1535 | if (pdfShader.get()) { |
| 1536 | // pdfShader has been canonicalized so we can directly compare |
| 1537 | // pointers. |
| 1538 | int resourceIndex = fShaderResources.find(pdfShader.get()); |
| 1539 | if (resourceIndex < 0) { |
| 1540 | resourceIndex = fShaderResources.count(); |
| 1541 | fShaderResources.push(pdfShader.get()); |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1542 | pdfShader.get()->ref(); |
vandebo@chromium.org | b88cfe5 | 2011-07-18 18:40:32 +0000 | [diff] [blame] | 1543 | } |
| 1544 | entry->fShaderIndex = resourceIndex; |
| 1545 | } else { |
| 1546 | // A color shader is treated as an invalid shader so we don't have |
| 1547 | // to set a shader just for a color. |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1548 | SkShader::GradientInfo gradientInfo; |
| 1549 | SkColor gradientColor; |
| 1550 | gradientInfo.fColors = &gradientColor; |
| 1551 | gradientInfo.fColorOffsets = NULL; |
| 1552 | gradientInfo.fColorCount = 1; |
| 1553 | if (shader->asAGradient(&gradientInfo) == |
| 1554 | SkShader::kColor_GradientType) { |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1555 | entry->fColor = SkColorSetA(gradientColor, 0xFF); |
| 1556 | color = gradientColor; |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1557 | } |
| 1558 | } |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 1559 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1560 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1561 | SkAutoTUnref<SkPDFGraphicState> newGraphicState; |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1562 | if (color == paint.getColor()) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1563 | newGraphicState.reset( |
| 1564 | SkPDFGraphicState::GetGraphicStateForPaint(paint)); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1565 | } else { |
| 1566 | SkPaint newPaint = paint; |
| 1567 | newPaint.setColor(color); |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1568 | newGraphicState.reset( |
| 1569 | SkPDFGraphicState::GetGraphicStateForPaint(newPaint)); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1570 | } |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1571 | int resourceIndex = addGraphicStateResource(newGraphicState.get()); |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1572 | entry->fGraphicStateIndex = resourceIndex; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1573 | |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1574 | if (hasText) { |
| 1575 | entry->fTextScaleX = paint.getTextScaleX(); |
| 1576 | entry->fTextFill = paint.getStyle(); |
| 1577 | } else { |
| 1578 | entry->fTextScaleX = 0; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1579 | } |
| 1580 | } |
| 1581 | |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1582 | int SkPDFDevice::addGraphicStateResource(SkPDFGraphicState* gs) { |
| 1583 | // Assumes that gs has been canonicalized (so we can directly compare |
| 1584 | // pointers). |
| 1585 | int result = fGraphicStateResources.find(gs); |
| 1586 | if (result < 0) { |
| 1587 | result = fGraphicStateResources.count(); |
| 1588 | fGraphicStateResources.push(gs); |
| 1589 | gs->ref(); |
| 1590 | } |
| 1591 | return result; |
| 1592 | } |
| 1593 | |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1594 | void SkPDFDevice::updateFont(const SkPaint& paint, uint16_t glyphID, |
| 1595 | ContentEntry* contentEntry) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 1596 | SkTypeface* typeface = paint.getTypeface(); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1597 | if (contentEntry->fState.fFont == NULL || |
| 1598 | contentEntry->fState.fTextSize != paint.getTextSize() || |
| 1599 | !contentEntry->fState.fFont->hasGlyph(glyphID)) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 1600 | int fontIndex = getFontResourceIndex(typeface, glyphID); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1601 | contentEntry->fContent.writeText("/F"); |
| 1602 | contentEntry->fContent.writeDecAsText(fontIndex); |
| 1603 | contentEntry->fContent.writeText(" "); |
| 1604 | SkPDFScalar::Append(paint.getTextSize(), &contentEntry->fContent); |
| 1605 | contentEntry->fContent.writeText(" Tf\n"); |
| 1606 | contentEntry->fState.fFont = fFontResources[fontIndex]; |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 1607 | } |
| 1608 | } |
| 1609 | |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 1610 | int SkPDFDevice::getFontResourceIndex(SkTypeface* typeface, uint16_t glyphID) { |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1611 | SkAutoTUnref<SkPDFFont> newFont(SkPDFFont::GetFontResource(typeface, glyphID)); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1612 | int resourceIndex = fFontResources.find(newFont.get()); |
| 1613 | if (resourceIndex < 0) { |
| 1614 | resourceIndex = fFontResources.count(); |
| 1615 | fFontResources.push(newFont.get()); |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 1616 | newFont.get()->ref(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 1617 | } |
| 1618 | return resourceIndex; |
| 1619 | } |
| 1620 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1621 | void SkPDFDevice::internalDrawBitmap(const SkMatrix& matrix, |
vandebo@chromium.org | 78dad54 | 2011-05-11 18:46:03 +0000 | [diff] [blame] | 1622 | const SkClipStack* clipStack, |
vandebo@chromium.org | 9fbdf87 | 2011-05-09 07:55:58 +0000 | [diff] [blame] | 1623 | const SkRegion& clipRegion, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1624 | const SkBitmap& bitmap, |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 1625 | const SkIRect* srcRect, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1626 | const SkPaint& paint) { |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 1627 | SkMatrix scaled; |
| 1628 | // Adjust for origin flip. |
vandebo@chromium.org | 663515b | 2012-01-05 18:45:27 +0000 | [diff] [blame] | 1629 | scaled.setScale(SK_Scalar1, -SK_Scalar1); |
| 1630 | scaled.postTranslate(0, SK_Scalar1); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 1631 | // Scale the image up from 1x1 to WxH. |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1632 | SkIRect subset = SkIRect::MakeWH(bitmap.width(), bitmap.height()); |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 1633 | scaled.postScale(SkIntToScalar(subset.width()), |
| 1634 | SkIntToScalar(subset.height())); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 1635 | scaled.postConcat(matrix); |
vandebo@chromium.org | 13d14a9 | 2011-05-24 23:12:41 +0000 | [diff] [blame] | 1636 | ScopedContentEntry content(this, clipStack, clipRegion, scaled, paint); |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1637 | if (!content.entry()) { |
vandebo@chromium.org | 25adce8 | 2011-05-09 08:05:01 +0000 | [diff] [blame] | 1638 | return; |
| 1639 | } |
| 1640 | |
| 1641 | if (srcRect && !subset.intersect(*srcRect)) { |
| 1642 | return; |
| 1643 | } |
| 1644 | |
| 1645 | SkPDFImage* image = SkPDFImage::CreateImage(bitmap, subset, paint); |
| 1646 | if (!image) { |
| 1647 | return; |
| 1648 | } |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 1649 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1650 | fXObjectResources.push(image); // Transfer reference. |
vandebo@chromium.org | 6112c21 | 2011-05-13 03:50:38 +0000 | [diff] [blame] | 1651 | SkPDFUtils::DrawFormXObject(fXObjectResources.count() - 1, |
vandebo@chromium.org | b069c8c | 2011-05-24 17:19:38 +0000 | [diff] [blame] | 1652 | &content.entry()->fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1653 | } |
reed@google.com | 982cb87 | 2011-12-07 18:34:08 +0000 | [diff] [blame] | 1654 | |
| 1655 | bool SkPDFDevice::onReadPixels(const SkBitmap& bitmap, int x, int y, |
| 1656 | SkCanvas::Config8888) { |
| 1657 | return false; |
| 1658 | } |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1659 | |
| 1660 | bool SkPDFDevice::allowImageFilter(SkImageFilter*) { |
| 1661 | return false; |
| 1662 | } |