vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 1 | /* |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 2 | * Copyright (C) 2011 Google Inc. |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "SkPDFDevice.h" |
| 18 | |
| 19 | #include "SkColor.h" |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 20 | #include "SkDraw.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 21 | #include "SkGlyphCache.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 22 | #include "SkPaint.h" |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 23 | #include "SkPath.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 24 | #include "SkPDFFont.h" |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 25 | #include "SkPDFFormXObject.h" |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 26 | #include "SkPDFGraphicState.h" |
| 27 | #include "SkPDFImage.h" |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 28 | #include "SkPDFShader.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 29 | #include "SkPDFStream.h" |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 30 | #include "SkPDFTypes.h" |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 31 | #include "SkPDFUtils.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 32 | #include "SkRect.h" |
| 33 | #include "SkString.h" |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 34 | #include "SkTextFormatParams.h" |
| 35 | #include "SkTypeface.h" |
| 36 | #include "SkTypes.h" |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 37 | |
| 38 | // Utility functions |
| 39 | |
| 40 | namespace { |
| 41 | |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 42 | void emitPDFColor(SkColor color, SkWStream* result) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 43 | SkASSERT(SkColorGetA(color) == 0xFF); // We handle alpha elsewhere. |
| 44 | SkScalar colorMax = SkIntToScalar(0xFF); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 45 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 46 | SkScalarDiv(SkIntToScalar(SkColorGetR(color)), colorMax), result); |
| 47 | result->writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 48 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 49 | SkScalarDiv(SkIntToScalar(SkColorGetG(color)), colorMax), result); |
| 50 | result->writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 51 | SkPDFScalar::Append( |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 52 | SkScalarDiv(SkIntToScalar(SkColorGetB(color)), colorMax), result); |
| 53 | result->writeText(" "); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 54 | } |
| 55 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 56 | SkPaint calculateTextPaint(const SkPaint& paint) { |
| 57 | SkPaint result = paint; |
| 58 | if (result.isFakeBoldText()) { |
| 59 | SkScalar fakeBoldScale = SkScalarInterpFunc(result.getTextSize(), |
| 60 | kStdFakeBoldInterpKeys, |
| 61 | kStdFakeBoldInterpValues, |
| 62 | kStdFakeBoldInterpLength); |
| 63 | SkScalar width = SkScalarMul(result.getTextSize(), fakeBoldScale); |
| 64 | if (result.getStyle() == SkPaint::kFill_Style) |
| 65 | result.setStyle(SkPaint::kStrokeAndFill_Style); |
| 66 | else |
| 67 | width += result.getStrokeWidth(); |
| 68 | result.setStrokeWidth(width); |
| 69 | } |
| 70 | return result; |
| 71 | } |
| 72 | |
| 73 | // Stolen from measure_text in SkDraw.cpp and then tweaked. |
| 74 | void alignText(SkDrawCacheProc glyphCacheProc, const SkPaint& paint, |
| 75 | const uint16_t* glyphs, size_t len, SkScalar* x, SkScalar* y, |
| 76 | SkScalar* width) { |
| 77 | if (paint.getTextAlign() == SkPaint::kLeft_Align && width == NULL) |
| 78 | return; |
| 79 | |
| 80 | SkMatrix ident; |
| 81 | ident.reset(); |
| 82 | SkAutoGlyphCache autoCache(paint, &ident); |
| 83 | SkGlyphCache* cache = autoCache.getCache(); |
| 84 | |
| 85 | const char* start = (char*)glyphs; |
| 86 | const char* stop = (char*)(glyphs + len); |
| 87 | SkFixed xAdv = 0, yAdv = 0; |
| 88 | |
| 89 | // TODO(vandebo) This probably needs to take kerning into account. |
| 90 | while (start < stop) { |
| 91 | const SkGlyph& glyph = glyphCacheProc(cache, &start, 0, 0); |
| 92 | xAdv += glyph.fAdvanceX; |
| 93 | yAdv += glyph.fAdvanceY; |
| 94 | }; |
| 95 | if (width) |
| 96 | *width = SkFixedToScalar(xAdv); |
| 97 | if (paint.getTextAlign() == SkPaint::kLeft_Align) |
| 98 | return; |
| 99 | |
| 100 | SkScalar xAdj = SkFixedToScalar(xAdv); |
| 101 | SkScalar yAdj = SkFixedToScalar(yAdv); |
| 102 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 103 | xAdj = SkScalarHalf(xAdj); |
| 104 | yAdj = SkScalarHalf(yAdj); |
| 105 | } |
| 106 | *x = *x - xAdj; |
| 107 | *y = *y - yAdj; |
| 108 | } |
| 109 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 110 | } // namespace |
| 111 | |
| 112 | //////////////////////////////////////////////////////////////////////////////// |
| 113 | |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 114 | SkDevice* SkPDFDeviceFactory::newDevice(SkCanvas*, SkBitmap::Config config, |
| 115 | int width, int height, bool isOpaque, |
vandebo@chromium.org | f60a001 | 2011-02-24 23:14:04 +0000 | [diff] [blame] | 116 | bool isForLayer) { |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 117 | SkMatrix initialTransform; |
| 118 | initialTransform.reset(); |
vandebo@chromium.org | f60a001 | 2011-02-24 23:14:04 +0000 | [diff] [blame] | 119 | if (isForLayer) { |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 120 | initialTransform.setTranslate(0, height); |
| 121 | initialTransform.preScale(1, -1); |
vandebo@chromium.org | f60a001 | 2011-02-24 23:14:04 +0000 | [diff] [blame] | 122 | } |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 123 | SkISize size = SkISize::Make(width, height); |
| 124 | return SkNEW_ARGS(SkPDFDevice, (size, size, initialTransform)); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 125 | } |
| 126 | |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 127 | static inline SkBitmap makeContentBitmap(const SkISize& contentSize, |
| 128 | const SkMatrix& initialTransform) { |
| 129 | // Compute the size of the drawing area. |
| 130 | SkVector drawingSize; |
| 131 | SkMatrix inverse; |
| 132 | drawingSize.set(contentSize.fWidth, contentSize.fHeight); |
| 133 | initialTransform.invert(&inverse); |
| 134 | inverse.mapVectors(&drawingSize, 1); |
| 135 | SkISize size = SkSize::Make(drawingSize.fX, drawingSize.fY).toRound(); |
| 136 | |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 137 | SkBitmap bitmap; |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 138 | bitmap.setConfig(SkBitmap::kNo_Config, size.fWidth, size.fHeight); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 139 | return bitmap; |
| 140 | } |
| 141 | |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 142 | SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize, |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 143 | const SkMatrix& initialTransform) |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 144 | : SkDevice(NULL, makeContentBitmap(contentSize, initialTransform), false), |
| 145 | fPageSize(pageSize), |
reed@google.com | 0770044 | 2010-12-20 19:46:07 +0000 | [diff] [blame] | 146 | fGraphicStackIndex(0) { |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 147 | // Skia generally uses the top left as the origin but PDF natively has the |
| 148 | // origin at the bottom left. This matrix corrects for that. When layering, |
| 149 | // we specify an inverse correction to cancel this out. |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 150 | fInitialTransform.setTranslate(0, pageSize.fHeight); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 151 | fInitialTransform.preScale(1, -1); |
| 152 | fInitialTransform.preConcat(initialTransform); |
| 153 | |
| 154 | this->init(); |
| 155 | } |
| 156 | |
| 157 | SkPDFDevice::~SkPDFDevice() { |
| 158 | this->cleanUp(); |
| 159 | } |
| 160 | |
| 161 | void SkPDFDevice::init() { |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 162 | fGraphicStack[0].fColor = SK_ColorBLACK; |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 163 | fGraphicStack[0].fTextSize = SK_ScalarNaN; // This has no default value. |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 164 | fGraphicStack[0].fTextScaleX = SK_Scalar1; |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 165 | fGraphicStack[0].fTextFill = SkPaint::kFill_Style; |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 166 | fGraphicStack[0].fFont = NULL; |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 167 | fGraphicStack[0].fShader = NULL; |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 168 | fGraphicStack[0].fGraphicState = NULL; |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 169 | fGraphicStack[0].fClip.setRect(0, 0, this->width(), this->height()); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 170 | fGraphicStack[0].fTransform.reset(); |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 171 | fGraphicStackIndex = 0; |
| 172 | fResourceDict = NULL; |
| 173 | fContent.reset(); |
vandebo@chromium.org | f60a001 | 2011-02-24 23:14:04 +0000 | [diff] [blame] | 174 | |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 175 | if (fInitialTransform.getType() != SkMatrix::kIdentity_Mask) { |
| 176 | SkPDFUtils::AppendTransform(fInitialTransform, &fContent); |
vandebo@chromium.org | f60a001 | 2011-02-24 23:14:04 +0000 | [diff] [blame] | 177 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 178 | } |
| 179 | |
mike@reedtribe.org | ea4ac97 | 2011-04-26 11:48:33 +0000 | [diff] [blame] | 180 | SkDeviceFactory* SkPDFDevice::onNewDeviceFactory() { |
| 181 | return SkNEW(SkPDFDeviceFactory); |
| 182 | } |
| 183 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 184 | void SkPDFDevice::cleanUp() { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 185 | fGraphicStateResources.unrefAll(); |
| 186 | fXObjectResources.unrefAll(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 187 | fFontResources.unrefAll(); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 188 | fShaderResources.unrefAll(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 189 | } |
| 190 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 191 | void SkPDFDevice::clear(SkColor color) { |
| 192 | SkMatrix curTransform = fGraphicStack[fGraphicStackIndex].fTransform; |
| 193 | SkRegion curClip = fGraphicStack[fGraphicStackIndex].fClip; |
| 194 | |
| 195 | this->cleanUp(); |
| 196 | this->init(); |
| 197 | |
| 198 | SkPaint paint; |
| 199 | paint.setColor(color); |
| 200 | paint.setStyle(SkPaint::kFill_Style); |
| 201 | updateGSFromPaint(paint, false); |
| 202 | internalDrawPaint(paint); |
| 203 | |
| 204 | SkClipStack clipStack; |
| 205 | setMatrixClip(curTransform, curClip, clipStack); |
| 206 | } |
| 207 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 208 | void SkPDFDevice::setMatrixClip(const SkMatrix& matrix, |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 209 | const SkRegion& region, |
| 210 | const SkClipStack&) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 211 | if (region.isEmpty()) { |
| 212 | return; |
| 213 | } |
| 214 | |
| 215 | // TODO(vandebo) SkCanvas may not draw anything after doing this call, we |
| 216 | // should defer writing anything out to fContent until we actually get |
| 217 | // a draw command. In fact SkDraw contains the clip and transform, so |
| 218 | // this method should do nothing and we should have an update |
| 219 | // transform-and-clip method, like update paint. |
| 220 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 221 | // See the comment in the header file above GraphicStackEntry. |
| 222 | if (region != fGraphicStack[fGraphicStackIndex].fClip) { |
| 223 | while (fGraphicStackIndex > 0) |
| 224 | popGS(); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 225 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 226 | if (region != fGraphicStack[fGraphicStackIndex].fClip) { |
| 227 | pushGS(); |
| 228 | |
| 229 | SkPath clipPath; |
| 230 | SkAssertResult(region.getBoundaryPath(&clipPath)); |
| 231 | |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 232 | SkPDFUtils::EmitPath(clipPath, &fContent); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 233 | SkPath::FillType clipFill = clipPath.getFillType(); |
| 234 | NOT_IMPLEMENTED(clipFill == SkPath::kInverseEvenOdd_FillType, |
| 235 | false); |
| 236 | NOT_IMPLEMENTED(clipFill == SkPath::kInverseWinding_FillType, |
| 237 | false); |
| 238 | if (clipFill == SkPath::kEvenOdd_FillType) |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 239 | fContent.writeText("W* n "); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 240 | else |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 241 | fContent.writeText("W n "); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 242 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 243 | fGraphicStack[fGraphicStackIndex].fClip = region; |
| 244 | } |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 245 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 246 | setTransform(matrix); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | void SkPDFDevice::drawPaint(const SkDraw& d, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 250 | if (d.fClip->isEmpty()) { |
| 251 | return; |
| 252 | } |
| 253 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 254 | SkPaint newPaint = paint; |
| 255 | newPaint.setStyle(SkPaint::kFill_Style); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 256 | updateGSFromPaint(newPaint, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 257 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 258 | internalDrawPaint(newPaint); |
| 259 | } |
| 260 | |
| 261 | void SkPDFDevice::internalDrawPaint(const SkPaint& paint) { |
| 262 | SkRect bbox = SkRect::MakeWH(SkIntToScalar(this->width()), |
| 263 | SkIntToScalar(this->height())); |
| 264 | SkMatrix totalTransform = fInitialTransform; |
| 265 | totalTransform.preConcat(fGraphicStack[fGraphicStackIndex].fTransform); |
| 266 | SkMatrix inverse; |
| 267 | inverse.reset(); |
| 268 | totalTransform.invert(&inverse); |
| 269 | inverse.mapRect(&bbox); |
| 270 | |
| 271 | internalDrawRect(bbox, paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | void SkPDFDevice::drawPoints(const SkDraw& d, SkCanvas::PointMode mode, |
| 275 | size_t count, const SkPoint* points, |
| 276 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 277 | if (count == 0 || d.fClip->isEmpty()) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 278 | return; |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 279 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 280 | |
| 281 | switch (mode) { |
| 282 | case SkCanvas::kPolygon_PointMode: |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 283 | updateGSFromPaint(paint, false); |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 284 | SkPDFUtils::MoveTo(points[0].fX, points[0].fY, &fContent); |
| 285 | for (size_t i = 1; i < count; i++) { |
| 286 | SkPDFUtils::AppendLine(points[i].fX, points[i].fY, &fContent); |
| 287 | } |
| 288 | SkPDFUtils::StrokePath(&fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 289 | break; |
| 290 | case SkCanvas::kLines_PointMode: |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 291 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 292 | for (size_t i = 0; i < count/2; i++) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 293 | SkPDFUtils::MoveTo(points[i * 2].fX, points[i * 2].fY, |
| 294 | &fContent); |
| 295 | SkPDFUtils::AppendLine(points[i * 2 + 1].fX, |
| 296 | points[i * 2 + 1].fY, &fContent); |
| 297 | SkPDFUtils::StrokePath(&fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 298 | } |
| 299 | break; |
| 300 | case SkCanvas::kPoints_PointMode: |
| 301 | if (paint.getStrokeCap() == SkPaint::kRound_Cap) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 302 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 303 | for (size_t i = 0; i < count; i++) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 304 | SkPDFUtils::MoveTo(points[i].fX, points[i].fY, &fContent); |
| 305 | SkPDFUtils::StrokePath(&fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 306 | } |
| 307 | } else { |
| 308 | // PDF won't draw a single point with square/butt caps because |
| 309 | // the orientation is ambiguous. Draw a rectangle instead. |
| 310 | SkPaint newPaint = paint; |
| 311 | newPaint.setStyle(SkPaint::kFill_Style); |
| 312 | SkScalar strokeWidth = paint.getStrokeWidth(); |
| 313 | SkScalar halfStroke = strokeWidth * SK_ScalarHalf; |
| 314 | for (size_t i = 0; i < count; i++) { |
| 315 | SkRect r = SkRect::MakeXYWH(points[i].fX, points[i].fY, |
| 316 | 0, 0); |
| 317 | r.inset(-halfStroke, -halfStroke); |
| 318 | drawRect(d, r, newPaint); |
| 319 | } |
| 320 | } |
| 321 | break; |
| 322 | default: |
| 323 | SkASSERT(false); |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | void SkPDFDevice::drawRect(const SkDraw& d, const SkRect& r, |
| 328 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 329 | if (d.fClip->isEmpty()) { |
| 330 | return; |
| 331 | } |
| 332 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 333 | if (paint.getPathEffect()) { |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 334 | // Create a path for the rectangle and apply the path effect to it. |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 335 | SkPath path; |
| 336 | path.addRect(r); |
| 337 | paint.getFillPath(path, &path); |
| 338 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 339 | SkPaint noEffectPaint(paint); |
| 340 | SkSafeUnref(noEffectPaint.setPathEffect(NULL)); |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 341 | drawPath(d, path, noEffectPaint, NULL, true); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 342 | return; |
| 343 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 344 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 345 | |
vandebo@chromium.org | 77bcaa3 | 2011-04-15 20:57:37 +0000 | [diff] [blame] | 346 | internalDrawRect(r, paint); |
| 347 | } |
| 348 | |
| 349 | void SkPDFDevice::internalDrawRect(const SkRect& r, const SkPaint& paint) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 350 | // Skia has 0,0 at top left, pdf at bottom left. Do the right thing. |
| 351 | SkScalar bottom = r.fBottom < r.fTop ? r.fBottom : r.fTop; |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 352 | SkPDFUtils::AppendRectangle(r.fLeft, bottom, r.width(), r.height(), |
| 353 | &fContent); |
| 354 | SkPDFUtils::PaintPath(paint.getStyle(), SkPath::kWinding_FillType, |
| 355 | &fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 356 | } |
| 357 | |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 358 | void SkPDFDevice::drawPath(const SkDraw& d, const SkPath& path, |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 359 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
| 360 | bool pathIsMutable) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 361 | if (d.fClip->isEmpty()) { |
| 362 | return; |
| 363 | } |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 364 | NOT_IMPLEMENTED(prePathMatrix != NULL, true); |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 365 | |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 366 | if (paint.getPathEffect()) { |
| 367 | // Apply the path effect to path and draw it that way. |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 368 | SkPath noEffectPath; |
| 369 | paint.getFillPath(path, &noEffectPath); |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 370 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 371 | SkPaint noEffectPaint(paint); |
| 372 | SkSafeUnref(noEffectPaint.setPathEffect(NULL)); |
vandebo@chromium.org | 02cc5aa | 2011-01-25 22:06:29 +0000 | [diff] [blame] | 373 | drawPath(d, noEffectPath, noEffectPaint, NULL, true); |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 374 | return; |
| 375 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 376 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 7d71f7f | 2010-10-26 19:51:44 +0000 | [diff] [blame] | 377 | |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 378 | SkPDFUtils::EmitPath(path, &fContent); |
| 379 | SkPDFUtils::PaintPath(paint.getStyle(), path.getFillType(), &fContent); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 380 | } |
| 381 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 382 | void SkPDFDevice::drawBitmap(const SkDraw& d, const SkBitmap& bitmap, |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 383 | const SkIRect* srcRect, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 384 | const SkMatrix& matrix, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 385 | if (d.fClip->isEmpty()) { |
| 386 | return; |
| 387 | } |
| 388 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 389 | SkMatrix transform = matrix; |
| 390 | transform.postConcat(fGraphicStack[fGraphicStackIndex].fTransform); |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 391 | internalDrawBitmap(transform, bitmap, srcRect, paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 392 | } |
| 393 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 394 | void SkPDFDevice::drawSprite(const SkDraw& d, const SkBitmap& bitmap, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 395 | int x, int y, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 396 | if (d.fClip->isEmpty()) { |
| 397 | return; |
| 398 | } |
| 399 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 400 | SkMatrix matrix; |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 401 | matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y)); |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 402 | internalDrawBitmap(matrix, bitmap, NULL, paint); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 403 | } |
| 404 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 405 | 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] | 406 | SkScalar x, SkScalar y, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 407 | if (d.fClip->isEmpty()) { |
| 408 | return; |
| 409 | } |
| 410 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 411 | SkPaint textPaint = calculateTextPaint(paint); |
| 412 | updateGSFromPaint(textPaint, true); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 413 | |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 414 | // We want the text in glyph id encoding and a writable buffer, so we end |
| 415 | // up making a copy either way. |
| 416 | size_t numGlyphs = paint.textToGlyphs(text, len, NULL); |
| 417 | uint16_t* glyphIDs = |
| 418 | (uint16_t*)sk_malloc_flags(numGlyphs * 2, |
| 419 | SK_MALLOC_TEMP | SK_MALLOC_THROW); |
| 420 | SkAutoFree autoFreeGlyphIDs(glyphIDs); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 421 | if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) { |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 422 | paint.textToGlyphs(text, len, glyphIDs); |
| 423 | textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
| 424 | } else { |
| 425 | SkASSERT((len & 1) == 0); |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 426 | SkASSERT(len / 2 == numGlyphs); |
| 427 | memcpy(glyphIDs, text, len); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 428 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 429 | |
| 430 | SkScalar width; |
| 431 | SkScalar* widthPtr = NULL; |
| 432 | if (textPaint.isUnderlineText() || textPaint.isStrikeThruText()) |
| 433 | widthPtr = &width; |
| 434 | |
| 435 | SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc(); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 436 | alignText(glyphCacheProc, textPaint, glyphIDs, numGlyphs, &x, &y, widthPtr); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 437 | fContent.writeText("BT\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 438 | setTextTransform(x, y, textPaint.getTextSkewX()); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 439 | size_t consumedGlyphCount = 0; |
| 440 | while (numGlyphs > consumedGlyphCount) { |
| 441 | updateFont(textPaint, glyphIDs[consumedGlyphCount]); |
| 442 | SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont; |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 443 | size_t availableGlyphs = |
| 444 | font->glyphsToPDFFontEncoding(glyphIDs + consumedGlyphCount, |
| 445 | numGlyphs - consumedGlyphCount); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 446 | SkString encodedString = |
| 447 | SkPDFString::formatString(glyphIDs + consumedGlyphCount, |
| 448 | availableGlyphs, font->multiByteGlyphs()); |
| 449 | fContent.writeText(encodedString.c_str()); |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 450 | consumedGlyphCount += availableGlyphs; |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 451 | fContent.writeText(" Tj\n"); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 452 | } |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 453 | fContent.writeText("ET\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 454 | |
| 455 | // Draw underline and/or strikethrough if the paint has them. |
| 456 | // drawPosText() and drawTextOnPath() don't draw underline or strikethrough |
| 457 | // because the raster versions don't. Use paint instead of textPaint |
| 458 | // because we may have changed strokeWidth to do fakeBold text. |
| 459 | if (paint.isUnderlineText() || paint.isStrikeThruText()) { |
| 460 | SkScalar textSize = paint.getTextSize(); |
| 461 | SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness); |
| 462 | |
| 463 | if (paint.isUnderlineText()) { |
| 464 | SkScalar top = SkScalarMulAdd(textSize, kStdUnderline_Offset, y); |
| 465 | SkRect r = SkRect::MakeXYWH(x, top - height, width, height); |
| 466 | drawRect(d, r, paint); |
| 467 | } |
| 468 | if (paint.isStrikeThruText()) { |
| 469 | SkScalar top = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, y); |
| 470 | SkRect r = SkRect::MakeXYWH(x, top - height, width, height); |
| 471 | drawRect(d, r, paint); |
| 472 | } |
| 473 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 474 | } |
| 475 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 476 | 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] | 477 | const SkScalar pos[], SkScalar constY, |
| 478 | int scalarsPerPos, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 479 | if (d.fClip->isEmpty()) { |
| 480 | return; |
| 481 | } |
| 482 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 483 | SkASSERT(1 == scalarsPerPos || 2 == scalarsPerPos); |
| 484 | SkPaint textPaint = calculateTextPaint(paint); |
| 485 | updateGSFromPaint(textPaint, true); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 486 | |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 487 | // Make sure we have a glyph id encoding. |
| 488 | SkAutoFree glyphStorage; |
| 489 | uint16_t* glyphIDs; |
| 490 | size_t numGlyphs; |
| 491 | if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) { |
| 492 | numGlyphs = paint.textToGlyphs(text, len, NULL); |
| 493 | glyphIDs = (uint16_t*)sk_malloc_flags(numGlyphs * 2, |
| 494 | SK_MALLOC_TEMP | SK_MALLOC_THROW); |
| 495 | glyphStorage.set(glyphIDs); |
| 496 | paint.textToGlyphs(text, len, glyphIDs); |
| 497 | textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
| 498 | } else { |
| 499 | SkASSERT((len & 1) == 0); |
| 500 | numGlyphs = len / 2; |
| 501 | glyphIDs = (uint16_t*)text; |
| 502 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 503 | |
| 504 | SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc(); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 505 | fContent.writeText("BT\n"); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 506 | updateFont(textPaint, glyphIDs[0]); |
| 507 | for (size_t i = 0; i < numGlyphs; i++) { |
| 508 | SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont; |
vandebo@chromium.org | 0129410 | 2011-02-28 19:52:18 +0000 | [diff] [blame] | 509 | uint16_t encodedValue = glyphIDs[i]; |
| 510 | if (font->glyphsToPDFFontEncoding(&encodedValue, 1) != 1) { |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 511 | updateFont(textPaint, glyphIDs[i]); |
| 512 | i--; |
| 513 | continue; |
| 514 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 515 | SkScalar x = pos[i * scalarsPerPos]; |
| 516 | SkScalar y = scalarsPerPos == 1 ? constY : pos[i * scalarsPerPos + 1]; |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 517 | alignText(glyphCacheProc, textPaint, glyphIDs + i, 1, &x, &y, NULL); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 518 | setTextTransform(x, y, textPaint.getTextSkewX()); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 519 | SkString encodedString = |
| 520 | SkPDFString::formatString(&encodedValue, 1, |
| 521 | font->multiByteGlyphs()); |
| 522 | fContent.writeText(encodedString.c_str()); |
| 523 | fContent.writeText(" Tj\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 524 | } |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 525 | fContent.writeText("ET\n"); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 526 | } |
| 527 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 528 | 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] | 529 | const SkPath& path, const SkMatrix* matrix, |
| 530 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 531 | if (d.fClip->isEmpty()) { |
| 532 | return; |
| 533 | } |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 534 | NOT_IMPLEMENTED("drawTextOnPath", true); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 535 | } |
| 536 | |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 537 | void SkPDFDevice::drawVertices(const SkDraw& d, SkCanvas::VertexMode, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 538 | int vertexCount, const SkPoint verts[], |
| 539 | const SkPoint texs[], const SkColor colors[], |
| 540 | SkXfermode* xmode, const uint16_t indices[], |
| 541 | int indexCount, const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 542 | if (d.fClip->isEmpty()) { |
| 543 | return; |
| 544 | } |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 545 | NOT_IMPLEMENTED("drawVerticies", true); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 546 | } |
| 547 | |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 548 | void SkPDFDevice::drawDevice(const SkDraw& d, SkDevice* device, int x, int y, |
| 549 | const SkPaint& paint) { |
vandebo@chromium.org | fb0b0ed | 2011-04-15 20:01:17 +0000 | [diff] [blame] | 550 | if (d.fClip->isEmpty()) { |
| 551 | return; |
| 552 | } |
| 553 | |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 554 | if ((device->getDeviceCapabilities() & kVector_Capability) == 0) { |
| 555 | // If we somehow get a raster device, do what our parent would do. |
| 556 | SkDevice::drawDevice(d, device, x, y, paint); |
| 557 | return; |
| 558 | } |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 559 | // Assume that a vector capable device means that it's a PDF Device. |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 560 | SkPDFDevice* pdfDevice = static_cast<SkPDFDevice*>(device); |
| 561 | |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 562 | SkMatrix matrix; |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 563 | matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y)); |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 564 | SkMatrix curTransform = setTransform(matrix); |
vandebo@chromium.org | 4854327 | 2011-02-08 19:28:07 +0000 | [diff] [blame] | 565 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 566 | |
| 567 | SkPDFFormXObject* xobject = new SkPDFFormXObject(pdfDevice); |
vandebo@chromium.org | eb6c759 | 2010-10-26 19:54:45 +0000 | [diff] [blame] | 568 | fXObjectResources.push(xobject); // Transfer reference. |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 569 | fContent.writeText("/X"); |
| 570 | fContent.writeDecAsText(fXObjectResources.count() - 1); |
| 571 | fContent.writeText(" Do\n"); |
vandebo@chromium.org | 1aef2ed | 2011-02-03 21:46:10 +0000 | [diff] [blame] | 572 | setTransform(curTransform); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | const SkRefPtr<SkPDFDict>& SkPDFDevice::getResourceDict() { |
| 576 | if (fResourceDict.get() == NULL) { |
| 577 | fResourceDict = new SkPDFDict; |
| 578 | fResourceDict->unref(); // SkRefPtr and new both took a reference. |
| 579 | |
| 580 | if (fGraphicStateResources.count()) { |
| 581 | SkRefPtr<SkPDFDict> extGState = new SkPDFDict(); |
| 582 | extGState->unref(); // SkRefPtr and new both took a reference. |
| 583 | for (int i = 0; i < fGraphicStateResources.count(); i++) { |
| 584 | SkString nameString("G"); |
| 585 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 586 | extGState->insert( |
| 587 | nameString.c_str(), |
| 588 | new SkPDFObjRef(fGraphicStateResources[i]))->unref(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 589 | } |
| 590 | fResourceDict->insert("ExtGState", extGState.get()); |
| 591 | } |
| 592 | |
| 593 | if (fXObjectResources.count()) { |
| 594 | SkRefPtr<SkPDFDict> xObjects = new SkPDFDict(); |
| 595 | xObjects->unref(); // SkRefPtr and new both took a reference. |
| 596 | for (int i = 0; i < fXObjectResources.count(); i++) { |
| 597 | SkString nameString("X"); |
| 598 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 599 | xObjects->insert( |
| 600 | nameString.c_str(), |
| 601 | new SkPDFObjRef(fXObjectResources[i]))->unref(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 602 | } |
| 603 | fResourceDict->insert("XObject", xObjects.get()); |
| 604 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 605 | |
| 606 | if (fFontResources.count()) { |
| 607 | SkRefPtr<SkPDFDict> fonts = new SkPDFDict(); |
| 608 | fonts->unref(); // SkRefPtr and new both took a reference. |
| 609 | for (int i = 0; i < fFontResources.count(); i++) { |
| 610 | SkString nameString("F"); |
| 611 | nameString.appendS32(i); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 612 | fonts->insert(nameString.c_str(), |
| 613 | new SkPDFObjRef(fFontResources[i]))->unref(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 614 | } |
| 615 | fResourceDict->insert("Font", fonts.get()); |
| 616 | } |
| 617 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 618 | if (fShaderResources.count()) { |
| 619 | SkRefPtr<SkPDFDict> patterns = new SkPDFDict(); |
| 620 | patterns->unref(); // SkRefPtr and new both took a reference. |
| 621 | for (int i = 0; i < fShaderResources.count(); i++) { |
| 622 | SkString nameString("P"); |
| 623 | nameString.appendS32(i); |
| 624 | patterns->insert(nameString.c_str(), |
| 625 | new SkPDFObjRef(fShaderResources[i]))->unref(); |
| 626 | } |
| 627 | fResourceDict->insert("Pattern", patterns.get()); |
| 628 | } |
| 629 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 630 | // For compatibility, add all proc sets (only used for output to PS |
| 631 | // devices). |
| 632 | const char procs[][7] = {"PDF", "Text", "ImageB", "ImageC", "ImageI"}; |
| 633 | SkRefPtr<SkPDFArray> procSets = new SkPDFArray(); |
| 634 | procSets->unref(); // SkRefPtr and new both took a reference. |
| 635 | procSets->reserve(SK_ARRAY_COUNT(procs)); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 636 | for (size_t i = 0; i < SK_ARRAY_COUNT(procs); i++) |
| 637 | procSets->append(new SkPDFName(procs[i]))->unref(); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 638 | fResourceDict->insert("ProcSet", procSets.get()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 639 | } |
| 640 | return fResourceDict; |
| 641 | } |
| 642 | |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 643 | void SkPDFDevice::getResources(SkTDArray<SkPDFObject*>* resourceList) const { |
| 644 | resourceList->setReserve(resourceList->count() + |
| 645 | fGraphicStateResources.count() + |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 646 | fXObjectResources.count() + |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 647 | fFontResources.count() + |
| 648 | fShaderResources.count()); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 649 | for (int i = 0; i < fGraphicStateResources.count(); i++) { |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 650 | resourceList->push(fGraphicStateResources[i]); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 651 | fGraphicStateResources[i]->ref(); |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 652 | fGraphicStateResources[i]->getResources(resourceList); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 653 | } |
| 654 | for (int i = 0; i < fXObjectResources.count(); i++) { |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 655 | resourceList->push(fXObjectResources[i]); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 656 | fXObjectResources[i]->ref(); |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 657 | fXObjectResources[i]->getResources(resourceList); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 658 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 659 | for (int i = 0; i < fFontResources.count(); i++) { |
| 660 | resourceList->push(fFontResources[i]); |
| 661 | fFontResources[i]->ref(); |
| 662 | fFontResources[i]->getResources(resourceList); |
| 663 | } |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 664 | for (int i = 0; i < fShaderResources.count(); i++) { |
| 665 | resourceList->push(fShaderResources[i]); |
| 666 | fShaderResources[i]->ref(); |
| 667 | fShaderResources[i]->getResources(resourceList); |
| 668 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 669 | } |
| 670 | |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 671 | SkRefPtr<SkPDFArray> SkPDFDevice::getMediaBox() const { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 672 | SkRefPtr<SkPDFInt> zero = new SkPDFInt(0); |
| 673 | zero->unref(); // SkRefPtr and new both took a reference. |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 674 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 675 | SkRefPtr<SkPDFArray> mediaBox = new SkPDFArray(); |
| 676 | mediaBox->unref(); // SkRefPtr and new both took a reference. |
| 677 | mediaBox->reserve(4); |
| 678 | mediaBox->append(zero.get()); |
| 679 | mediaBox->append(zero.get()); |
ctguil@chromium.org | 1526129 | 2011-04-29 17:54:16 +0000 | [diff] [blame] | 680 | mediaBox->append(new SkPDFInt(fPageSize.fWidth))->unref(); |
| 681 | mediaBox->append(new SkPDFInt(fPageSize.fHeight))->unref(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 682 | return mediaBox; |
| 683 | } |
| 684 | |
vandebo@chromium.org | c2a9b7f | 2011-02-24 23:22:30 +0000 | [diff] [blame] | 685 | SkStream* SkPDFDevice::content() const { |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 686 | size_t offset = fContent.getOffset(); |
vandebo@chromium.org | c2a9b7f | 2011-02-24 23:22:30 +0000 | [diff] [blame] | 687 | char* data = (char*)sk_malloc_throw(offset + fGraphicStackIndex * 2); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 688 | fContent.copyTo(data); |
vandebo@chromium.org | c2a9b7f | 2011-02-24 23:22:30 +0000 | [diff] [blame] | 689 | for (int i = 0; i < fGraphicStackIndex; i++) { |
| 690 | data[offset++] = 'Q'; |
| 691 | data[offset++] = '\n'; |
| 692 | } |
| 693 | SkMemoryStream* result = new SkMemoryStream; |
| 694 | result->setMemoryOwned(data, offset); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 695 | return result; |
| 696 | } |
| 697 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 698 | void SkPDFDevice::updateGSFromPaint(const SkPaint& paint, bool forText) { |
| 699 | SkASSERT(paint.getPathEffect() == NULL); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 700 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 701 | NOT_IMPLEMENTED(paint.getMaskFilter() != NULL, false); |
| 702 | NOT_IMPLEMENTED(paint.getColorFilter() != NULL, false); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 703 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 704 | SkPaint newPaint = paint; |
vandebo@chromium.org | 4854327 | 2011-02-08 19:28:07 +0000 | [diff] [blame] | 705 | |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 706 | // PDF treats a shader as a color, so we only set one or the other. |
| 707 | SkRefPtr<SkPDFShader> pdfShader; |
| 708 | const SkShader* shader = newPaint.getShader(); |
| 709 | if (shader) { |
| 710 | // PDF positions patterns relative to the initial transform, so |
| 711 | // we need to apply the current transform to the shader parameters. |
| 712 | SkMatrix transform = fGraphicStack[fGraphicStackIndex].fTransform; |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 713 | transform.postConcat(fInitialTransform); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 714 | |
| 715 | // PDF doesn't support kClamp_TileMode, so we simulate it by making |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 716 | // a pattern the size of the drawing surface. |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 717 | SkIRect bounds = fGraphicStack[fGraphicStackIndex].fClip.getBounds(); |
| 718 | pdfShader = SkPDFShader::getPDFShader(*shader, transform, bounds); |
| 719 | SkSafeUnref(pdfShader.get()); // getShader and SkRefPtr both took a ref |
| 720 | |
| 721 | // A color shader is treated as an invalid shader so we don't have |
| 722 | // to set a shader just for a color. |
| 723 | if (pdfShader.get() == NULL) { |
| 724 | newPaint.setColor(0); |
| 725 | |
| 726 | // Check for a color shader. |
| 727 | SkShader::GradientInfo gradientInfo; |
| 728 | SkColor gradientColor; |
| 729 | gradientInfo.fColors = &gradientColor; |
| 730 | gradientInfo.fColorOffsets = NULL; |
| 731 | gradientInfo.fColorCount = 1; |
| 732 | if (shader->asAGradient(&gradientInfo) == |
| 733 | SkShader::kColor_GradientType) { |
| 734 | newPaint.setColor(gradientColor); |
| 735 | } |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | if (pdfShader) { |
| 740 | // pdfShader has been canonicalized so we can directly compare |
| 741 | // pointers. |
| 742 | if (fGraphicStack[fGraphicStackIndex].fShader != pdfShader.get()) { |
| 743 | int resourceIndex = fShaderResources.find(pdfShader.get()); |
| 744 | if (resourceIndex < 0) { |
| 745 | resourceIndex = fShaderResources.count(); |
| 746 | fShaderResources.push(pdfShader.get()); |
| 747 | pdfShader->ref(); |
| 748 | } |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 749 | fContent.writeText("/Pattern CS /Pattern cs /P"); |
| 750 | fContent.writeDecAsText(resourceIndex); |
| 751 | fContent.writeText(" SCN /P"); |
| 752 | fContent.writeDecAsText(resourceIndex); |
| 753 | fContent.writeText(" scn\n"); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 754 | fGraphicStack[fGraphicStackIndex].fShader = pdfShader.get(); |
| 755 | } |
| 756 | } else { |
| 757 | SkColor newColor = newPaint.getColor(); |
| 758 | newColor = SkColorSetA(newColor, 0xFF); |
| 759 | if (fGraphicStack[fGraphicStackIndex].fShader || |
| 760 | fGraphicStack[fGraphicStackIndex].fColor != newColor) { |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 761 | emitPDFColor(newColor, &fContent); |
| 762 | fContent.writeText("RG "); |
| 763 | emitPDFColor(newColor, &fContent); |
| 764 | fContent.writeText("rg\n"); |
vandebo@chromium.org | da912d6 | 2011-03-08 18:31:02 +0000 | [diff] [blame] | 765 | fGraphicStack[fGraphicStackIndex].fColor = newColor; |
| 766 | fGraphicStack[fGraphicStackIndex].fShader = NULL; |
| 767 | } |
| 768 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 769 | |
| 770 | SkRefPtr<SkPDFGraphicState> newGraphicState = |
| 771 | SkPDFGraphicState::getGraphicStateForPaint(newPaint); |
| 772 | newGraphicState->unref(); // getGraphicState and SkRefPtr both took a ref. |
| 773 | // newGraphicState has been canonicalized so we can directly compare |
| 774 | // pointers. |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 775 | if (fGraphicStack[fGraphicStackIndex].fGraphicState != |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 776 | newGraphicState.get()) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 777 | int resourceIndex = fGraphicStateResources.find(newGraphicState.get()); |
| 778 | if (resourceIndex < 0) { |
| 779 | resourceIndex = fGraphicStateResources.count(); |
| 780 | fGraphicStateResources.push(newGraphicState.get()); |
| 781 | newGraphicState->ref(); |
| 782 | } |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 783 | fContent.writeText("/G"); |
| 784 | fContent.writeDecAsText(resourceIndex); |
| 785 | fContent.writeText(" gs\n"); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 786 | fGraphicStack[fGraphicStackIndex].fGraphicState = newGraphicState.get(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 787 | } |
| 788 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 789 | if (forText) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 790 | if (fGraphicStack[fGraphicStackIndex].fTextScaleX != |
| 791 | newPaint.getTextScaleX()) { |
| 792 | SkScalar scale = newPaint.getTextScaleX(); |
| 793 | SkScalar pdfScale = SkScalarMul(scale, SkIntToScalar(100)); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 794 | SkPDFScalar::Append(pdfScale, &fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 795 | fContent.writeText(" Tz\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 796 | fGraphicStack[fGraphicStackIndex].fTextScaleX = scale; |
| 797 | } |
| 798 | |
| 799 | if (fGraphicStack[fGraphicStackIndex].fTextFill != |
| 800 | newPaint.getStyle()) { |
| 801 | SK_COMPILE_ASSERT(SkPaint::kFill_Style == 0, enum_must_match_value); |
| 802 | SK_COMPILE_ASSERT(SkPaint::kStroke_Style == 1, |
| 803 | enum_must_match_value); |
| 804 | SK_COMPILE_ASSERT(SkPaint::kStrokeAndFill_Style == 2, |
| 805 | enum_must_match_value); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 806 | fContent.writeDecAsText(newPaint.getStyle()); |
| 807 | fContent.writeText(" Tr\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 808 | fGraphicStack[fGraphicStackIndex].fTextFill = newPaint.getStyle(); |
| 809 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 810 | } |
| 811 | } |
| 812 | |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 813 | void SkPDFDevice::updateFont(const SkPaint& paint, uint16_t glyphID) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 814 | SkTypeface* typeface = paint.getTypeface(); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 815 | if (fGraphicStack[fGraphicStackIndex].fTextSize != paint.getTextSize() || |
| 816 | fGraphicStack[fGraphicStackIndex].fFont == NULL || |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 817 | fGraphicStack[fGraphicStackIndex].fFont->typeface() != typeface || |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 818 | !fGraphicStack[fGraphicStackIndex].fFont->hasGlyph(glyphID)) { |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 819 | int fontIndex = getFontResourceIndex(typeface, glyphID); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 820 | fContent.writeText("/F"); |
| 821 | fContent.writeDecAsText(fontIndex); |
| 822 | fContent.writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 823 | SkPDFScalar::Append(paint.getTextSize(), &fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 824 | fContent.writeText(" Tf\n"); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 825 | fGraphicStack[fGraphicStackIndex].fTextSize = paint.getTextSize(); |
| 826 | fGraphicStack[fGraphicStackIndex].fFont = fFontResources[fontIndex]; |
| 827 | } |
| 828 | } |
| 829 | |
ctguil@chromium.org | 9db86bb | 2011-03-04 21:43:27 +0000 | [diff] [blame] | 830 | int SkPDFDevice::getFontResourceIndex(SkTypeface* typeface, uint16_t glyphID) { |
| 831 | SkRefPtr<SkPDFFont> newFont = SkPDFFont::getFontResource(typeface, glyphID); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 832 | newFont->unref(); // getFontResource and SkRefPtr both took a ref. |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 833 | int resourceIndex = fFontResources.find(newFont.get()); |
| 834 | if (resourceIndex < 0) { |
| 835 | resourceIndex = fFontResources.count(); |
| 836 | fFontResources.push(newFont.get()); |
| 837 | newFont->ref(); |
| 838 | } |
| 839 | return resourceIndex; |
| 840 | } |
| 841 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 842 | void SkPDFDevice::pushGS() { |
| 843 | SkASSERT(fGraphicStackIndex < 2); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 844 | fContent.writeText("q\n"); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 845 | fGraphicStackIndex++; |
| 846 | fGraphicStack[fGraphicStackIndex] = fGraphicStack[fGraphicStackIndex - 1]; |
| 847 | } |
| 848 | |
| 849 | void SkPDFDevice::popGS() { |
| 850 | SkASSERT(fGraphicStackIndex > 0); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 851 | fContent.writeText("Q\n"); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 852 | fGraphicStackIndex--; |
| 853 | } |
| 854 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 855 | void SkPDFDevice::setTextTransform(SkScalar x, SkScalar y, SkScalar textSkewX) { |
| 856 | // Flip the text about the x-axis to account for origin swap and include |
| 857 | // the passed parameters. |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 858 | fContent.writeText("1 0 "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 859 | SkPDFScalar::Append(0 - textSkewX, &fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 860 | fContent.writeText(" -1 "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 861 | SkPDFScalar::Append(x, &fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 862 | fContent.writeText(" "); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 863 | SkPDFScalar::Append(y, &fContent); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 864 | fContent.writeText(" Tm\n"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 865 | } |
| 866 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 867 | void SkPDFDevice::internalDrawBitmap(const SkMatrix& matrix, |
| 868 | const SkBitmap& bitmap, |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 869 | const SkIRect* srcRect, |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 870 | const SkPaint& paint) { |
vandebo@chromium.org | befebb8 | 2011-01-29 01:38:50 +0000 | [diff] [blame] | 871 | SkIRect subset = SkIRect::MakeWH(bitmap.width(), bitmap.height()); |
| 872 | if (srcRect && !subset.intersect(*srcRect)) |
| 873 | return; |
| 874 | |
vandebo@chromium.org | 1cfa2c4 | 2011-01-31 19:35:43 +0000 | [diff] [blame] | 875 | SkPDFImage* image = SkPDFImage::CreateImage(bitmap, subset, paint); |
| 876 | if (!image) |
| 877 | return; |
| 878 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 879 | SkMatrix scaled; |
| 880 | // Adjust for origin flip. |
| 881 | scaled.setScale(1, -1); |
| 882 | scaled.postTranslate(0, 1); |
| 883 | // Scale the image up from 1x1 to WxH. |
reed@google.com | a6d59f6 | 2011-03-07 21:29:21 +0000 | [diff] [blame] | 884 | scaled.postScale(SkIntToScalar(subset.width()), |
| 885 | SkIntToScalar(subset.height())); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 886 | scaled.postConcat(matrix); |
| 887 | SkMatrix curTransform = setTransform(scaled); |
vandebo@chromium.org | 4854327 | 2011-02-08 19:28:07 +0000 | [diff] [blame] | 888 | updateGSFromPaint(paint, false); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 889 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 890 | fXObjectResources.push(image); // Transfer reference. |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 891 | fContent.writeText("/X"); |
| 892 | fContent.writeDecAsText(fXObjectResources.count() - 1); |
| 893 | fContent.writeText(" Do\n"); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 894 | setTransform(curTransform); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 895 | } |
| 896 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 897 | SkMatrix SkPDFDevice::setTransform(const SkMatrix& m) { |
| 898 | SkMatrix old = fGraphicStack[fGraphicStackIndex].fTransform; |
| 899 | if (old == m) |
| 900 | return old; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 901 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 902 | if (old.getType() != SkMatrix::kIdentity_Mask) { |
| 903 | SkASSERT(fGraphicStackIndex > 0); |
| 904 | SkASSERT(fGraphicStack[fGraphicStackIndex - 1].fTransform.getType() == |
| 905 | SkMatrix::kIdentity_Mask); |
| 906 | SkASSERT(fGraphicStack[fGraphicStackIndex].fClip == |
| 907 | fGraphicStack[fGraphicStackIndex - 1].fClip); |
| 908 | popGS(); |
| 909 | } |
| 910 | if (m.getType() == SkMatrix::kIdentity_Mask) |
| 911 | return old; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 912 | |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 913 | if (fGraphicStackIndex == 0 || fGraphicStack[fGraphicStackIndex].fClip != |
| 914 | fGraphicStack[fGraphicStackIndex - 1].fClip) |
| 915 | pushGS(); |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 916 | |
vandebo@chromium.org | 75f97e4 | 2011-04-11 23:24:18 +0000 | [diff] [blame] | 917 | SkPDFUtils::AppendTransform(m, &fContent); |
vandebo@chromium.org | 7e2ff7c | 2010-11-03 23:55:28 +0000 | [diff] [blame] | 918 | fGraphicStack[fGraphicStackIndex].fTransform = m; |
| 919 | |
| 920 | return old; |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 921 | } |