reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2011 Google Inc. |
| 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 | |
| 18 | #include "SkCanvas.h" |
| 19 | #include "SkPaint.h" |
reed@google.com | acd471f | 2011-05-03 21:26:46 +0000 | [diff] [blame] | 20 | #include "SkGPipe.h" |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 21 | #include "SkGPipePriv.h" |
| 22 | #include "SkReader32.h" |
reed@google.com | f5842f7 | 2011-05-04 18:30:04 +0000 | [diff] [blame] | 23 | #include "SkStream.h" |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 24 | |
| 25 | #include "SkColorFilter.h" |
| 26 | #include "SkDrawLooper.h" |
| 27 | #include "SkMaskFilter.h" |
| 28 | #include "SkPathEffect.h" |
| 29 | #include "SkRasterizer.h" |
| 30 | #include "SkShader.h" |
reed@google.com | f5842f7 | 2011-05-04 18:30:04 +0000 | [diff] [blame] | 31 | #include "SkTypeface.h" |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 32 | #include "SkXfermode.h" |
| 33 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 34 | static void set_paintflat(SkPaint* paint, SkFlattenable* obj, unsigned paintFlat) { |
| 35 | SkASSERT(paintFlat < kCount_PaintFlats); |
| 36 | switch (paintFlat) { |
| 37 | case kColorFilter_PaintFlat: |
| 38 | paint->setColorFilter((SkColorFilter*)obj); |
| 39 | break; |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 40 | case kDrawLooper_PaintFlat: |
| 41 | paint->setLooper((SkDrawLooper*)obj); |
| 42 | break; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 43 | case kMaskFilter_PaintFlat: |
| 44 | paint->setMaskFilter((SkMaskFilter*)obj); |
| 45 | break; |
| 46 | case kPathEffect_PaintFlat: |
| 47 | paint->setPathEffect((SkPathEffect*)obj); |
| 48 | break; |
| 49 | case kRasterizer_PaintFlat: |
| 50 | paint->setRasterizer((SkRasterizer*)obj); |
| 51 | break; |
| 52 | case kShader_PaintFlat: |
| 53 | paint->setShader((SkShader*)obj); |
| 54 | break; |
| 55 | case kXfermode_PaintFlat: |
| 56 | paint->setXfermode((SkXfermode*)obj); |
| 57 | break; |
| 58 | default: |
| 59 | SkASSERT(!"never gets here"); |
| 60 | } |
| 61 | } |
| 62 | |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 63 | template <typename T> class SkRefCntTDArray : public SkTDArray<T> { |
| 64 | public: |
| 65 | ~SkRefCntTDArray() { this->unrefAll(); } |
| 66 | }; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 67 | |
| 68 | class SkGPipeState { |
| 69 | public: |
| 70 | SkGPipeState(); |
| 71 | ~SkGPipeState(); |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 72 | |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 73 | void setReader(SkFlattenableReadBuffer* reader) { |
| 74 | fReader = reader; |
| 75 | fReader->setFactoryPlayback(fFactoryArray.begin(), fFactoryArray.count()); |
| 76 | } |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 77 | |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 78 | const SkPaint& paint() const { return fPaint; } |
| 79 | SkPaint* editPaint() { return &fPaint; } |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 80 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 81 | SkFlattenable* getFlat(unsigned index) const { |
| 82 | if (0 == index) { |
| 83 | return NULL; |
| 84 | } |
| 85 | return fFlatArray[index - 1]; |
| 86 | } |
| 87 | |
| 88 | void defFlattenable(PaintFlats pf, unsigned index) { |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 89 | SkASSERT(index == fFlatArray.count() + 1); |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 90 | SkFlattenable* obj = fReader->readFlattenable(); |
| 91 | *fFlatArray.append() = obj; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 92 | } |
| 93 | |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 94 | void nameFlattenable(PaintFlats pf, unsigned index) { |
| 95 | SkASSERT(index == fFactoryArray.count() + 1); |
| 96 | const char* name = fReader->readString(); |
| 97 | SkFlattenable::Factory fact = SkFlattenable::NameToFactory(name); |
| 98 | *fFactoryArray.append() = fact; |
| 99 | |
| 100 | // update this each time we grow the array |
| 101 | fReader->setFactoryPlayback(fFactoryArray.begin(), fFactoryArray.count()); |
| 102 | } |
| 103 | |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 104 | void addTypeface() { |
| 105 | size_t size = fReader->readU32(); |
| 106 | const void* data = fReader->skip(SkAlign4(size)); |
reed@google.com | f5842f7 | 2011-05-04 18:30:04 +0000 | [diff] [blame] | 107 | SkMemoryStream stream(data, size, false); |
reed@google.com | f5842f7 | 2011-05-04 18:30:04 +0000 | [diff] [blame] | 108 | *fTypefaces.append() = SkTypeface::Deserialize(&stream); |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 109 | } |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 110 | void setTypeface(SkPaint* paint, unsigned id) { |
| 111 | paint->setTypeface(id ? fTypefaces[id - 1] : NULL); |
| 112 | } |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 113 | |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 114 | SkFlattenableReadBuffer* fReader; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 115 | |
| 116 | private: |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 117 | SkPaint fPaint; |
| 118 | SkTDArray<SkFlattenable*> fFlatArray; |
| 119 | SkTDArray<SkTypeface*> fTypefaces; |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 120 | SkTDArray<SkFlattenable::Factory> fFactoryArray; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 121 | }; |
| 122 | |
| 123 | /////////////////////////////////////////////////////////////////////////////// |
| 124 | |
| 125 | template <typename T> const T* skip(SkReader32* reader, int count = 1) { |
| 126 | SkASSERT(count >= 0); |
| 127 | size_t size = sizeof(T) * count; |
| 128 | SkASSERT(SkAlign4(size) == size); |
| 129 | return reinterpret_cast<const T*>(reader->skip(size)); |
| 130 | } |
| 131 | |
| 132 | template <typename T> const T* skipAlign(SkReader32* reader, int count = 1) { |
| 133 | SkASSERT(count >= 0); |
| 134 | size_t size = SkAlign4(sizeof(T) * count); |
| 135 | return reinterpret_cast<const T*>(reader->skip(size)); |
| 136 | } |
| 137 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 138 | /////////////////////////////////////////////////////////////////////////////// |
| 139 | /////////////////////////////////////////////////////////////////////////////// |
| 140 | |
| 141 | static void clipPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 142 | SkGPipeState* state) { |
| 143 | SkPath path; |
| 144 | path.unflatten(*reader); |
| 145 | canvas->clipPath(path, (SkRegion::Op)DrawOp_unpackData(op32)); |
| 146 | } |
| 147 | |
| 148 | static void clipRegion_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 149 | SkGPipeState* state) { |
| 150 | SkRegion rgn; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 151 | SkReadRegion(reader, &rgn); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 152 | canvas->clipRegion(rgn, (SkRegion::Op)DrawOp_unpackData(op32)); |
| 153 | } |
| 154 | |
| 155 | static void clipRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 156 | SkGPipeState* state) { |
| 157 | canvas->clipRect(*skip<SkRect>(reader), (SkRegion::Op)DrawOp_unpackData(op32)); |
| 158 | } |
| 159 | |
| 160 | /////////////////////////////////////////////////////////////////////////////// |
| 161 | |
| 162 | static void setMatrix_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 163 | SkGPipeState* state) { |
| 164 | SkMatrix matrix; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 165 | SkReadMatrix(reader, &matrix); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 166 | canvas->setMatrix(matrix); |
| 167 | } |
| 168 | |
| 169 | static void concat_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 170 | SkGPipeState* state) { |
| 171 | SkMatrix matrix; |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 172 | SkReadMatrix(reader, &matrix); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 173 | canvas->concat(matrix); |
| 174 | } |
| 175 | |
| 176 | static void scale_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 177 | SkGPipeState* state) { |
| 178 | const SkScalar* param = skip<SkScalar>(reader, 2); |
| 179 | canvas->scale(param[0], param[1]); |
| 180 | } |
| 181 | |
| 182 | static void skew_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 183 | SkGPipeState* state) { |
| 184 | const SkScalar* param = skip<SkScalar>(reader, 2); |
| 185 | canvas->skew(param[0], param[1]); |
| 186 | } |
| 187 | |
| 188 | static void rotate_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 189 | SkGPipeState* state) { |
| 190 | canvas->rotate(reader->readScalar()); |
| 191 | } |
| 192 | |
| 193 | static void translate_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 194 | SkGPipeState* state) { |
| 195 | const SkScalar* param = skip<SkScalar>(reader, 2); |
| 196 | canvas->translate(param[0], param[1]); |
| 197 | } |
| 198 | |
| 199 | /////////////////////////////////////////////////////////////////////////////// |
| 200 | |
| 201 | static void save_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 202 | SkGPipeState* state) { |
| 203 | canvas->save((SkCanvas::SaveFlags)DrawOp_unpackData(op32)); |
| 204 | } |
| 205 | |
| 206 | static void saveLayer_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 207 | SkGPipeState* state) { |
reed@google.com | acd471f | 2011-05-03 21:26:46 +0000 | [diff] [blame] | 208 | unsigned flags = DrawOp_unpackFlags(op32); |
| 209 | SkCanvas::SaveFlags saveFlags = (SkCanvas::SaveFlags)DrawOp_unpackData(op32); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 210 | |
| 211 | const SkRect* bounds = NULL; |
| 212 | if (flags & kSaveLayer_HasBounds_DrawOpFlag) { |
| 213 | bounds = skip<SkRect>(reader); |
| 214 | } |
| 215 | const SkPaint* paint = NULL; |
| 216 | if (flags & kSaveLayer_HasPaint_DrawOpFlag) { |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 217 | paint = &state->paint(); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 218 | } |
reed@google.com | acd471f | 2011-05-03 21:26:46 +0000 | [diff] [blame] | 219 | canvas->saveLayer(bounds, paint, saveFlags); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | static void restore_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 223 | SkGPipeState* state) { |
| 224 | canvas->restore(); |
| 225 | } |
| 226 | |
| 227 | /////////////////////////////////////////////////////////////////////////////// |
| 228 | |
| 229 | static void drawClear_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 230 | SkGPipeState* state) { |
| 231 | SkColor color = 0; |
| 232 | if (DrawOp_unpackFlags(op32) & kClear_HasColor_DrawOpFlag) { |
| 233 | color = reader->readU32(); |
| 234 | } |
| 235 | canvas->clear(color); |
| 236 | } |
| 237 | |
| 238 | static void drawPaint_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 239 | SkGPipeState* state) { |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 240 | canvas->drawPaint(state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | static void drawPoints_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 244 | SkGPipeState* state) { |
| 245 | SkCanvas::PointMode mode = (SkCanvas::PointMode)DrawOp_unpackFlags(op32); |
| 246 | size_t count = reader->readU32(); |
| 247 | const SkPoint* pts = skip<SkPoint>(reader, count); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 248 | canvas->drawPoints(mode, count, pts, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | static void drawRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 252 | SkGPipeState* state) { |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 253 | canvas->drawRect(*skip<SkRect>(reader), state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | static void drawPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 257 | SkGPipeState* state) { |
| 258 | SkPath path; |
| 259 | path.unflatten(*reader); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 260 | canvas->drawPath(path, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | static void drawVertices_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 264 | SkGPipeState* state) { |
| 265 | unsigned flags = DrawOp_unpackFlags(op32); |
| 266 | |
| 267 | SkCanvas::VertexMode mode = (SkCanvas::VertexMode)reader->readU32(); |
| 268 | int vertexCount = reader->readU32(); |
| 269 | const SkPoint* verts = skip<SkPoint>(reader, vertexCount); |
| 270 | |
| 271 | const SkPoint* texs = NULL; |
| 272 | if (flags & kDrawVertices_HasTexs_DrawOpFlag) { |
| 273 | texs = skip<SkPoint>(reader, vertexCount); |
| 274 | } |
| 275 | |
| 276 | const SkColor* colors = NULL; |
| 277 | if (flags & kDrawVertices_HasColors_DrawOpFlag) { |
| 278 | colors = skip<SkColor>(reader, vertexCount); |
| 279 | } |
| 280 | |
| 281 | // TODO: flatten/unflatten xfermodes |
| 282 | SkXfermode* xfer = NULL; |
| 283 | |
| 284 | int indexCount = 0; |
| 285 | const uint16_t* indices = NULL; |
| 286 | if (flags & kDrawVertices_HasIndices_DrawOpFlag) { |
| 287 | indexCount = reader->readU32(); |
| 288 | indices = skipAlign<uint16_t>(reader, indexCount); |
| 289 | } |
| 290 | |
| 291 | canvas->drawVertices(mode, vertexCount, verts, texs, colors, xfer, |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 292 | indices, indexCount, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | /////////////////////////////////////////////////////////////////////////////// |
| 296 | |
| 297 | static void drawText_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 298 | SkGPipeState* state) { |
| 299 | size_t len = reader->readU32(); |
| 300 | const void* text = reader->skip(SkAlign4(len)); |
| 301 | const SkScalar* xy = skip<SkScalar>(reader, 2); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 302 | canvas->drawText(text, len, xy[0], xy[1], state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | static void drawPosText_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 306 | SkGPipeState* state) { |
| 307 | size_t len = reader->readU32(); |
| 308 | const void* text = reader->skip(SkAlign4(len)); |
| 309 | size_t posCount = reader->readU32(); // compute by our writer |
| 310 | const SkPoint* pos = skip<SkPoint>(reader, posCount); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 311 | canvas->drawPosText(text, len, pos, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | static void drawPosTextH_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 315 | SkGPipeState* state) { |
| 316 | size_t len = reader->readU32(); |
| 317 | const void* text = reader->skip(SkAlign4(len)); |
| 318 | size_t posCount = reader->readU32(); // compute by our writer |
| 319 | const SkScalar* xpos = skip<SkScalar>(reader, posCount); |
| 320 | SkScalar constY = reader->readScalar(); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 321 | canvas->drawPosTextH(text, len, xpos, constY, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | static void drawTextOnPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 325 | SkGPipeState* state) { |
| 326 | size_t len = reader->readU32(); |
| 327 | const void* text = reader->skip(SkAlign4(len)); |
| 328 | |
| 329 | SkPath path; |
| 330 | path.unflatten(*reader); |
| 331 | |
| 332 | SkMatrix matrixStorage; |
| 333 | const SkMatrix* matrix = NULL; |
| 334 | if (DrawOp_unpackFlags(op32) & kDrawTextOnPath_HasMatrix_DrawOpFlag) { |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 335 | SkReadMatrix(reader, &matrixStorage); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 336 | matrix = &matrixStorage; |
| 337 | } |
| 338 | |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 339 | canvas->drawTextOnPath(text, len, path, matrix, state->paint()); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | /////////////////////////////////////////////////////////////////////////////// |
| 343 | |
| 344 | static void drawBitmap_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 345 | SkGPipeState* state) { |
| 346 | UNIMPLEMENTED |
| 347 | } |
| 348 | |
| 349 | static void drawBitmapMatrix_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 350 | SkGPipeState* state) { |
| 351 | UNIMPLEMENTED |
| 352 | } |
| 353 | |
| 354 | static void drawBitmapRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 355 | SkGPipeState* state) { |
| 356 | UNIMPLEMENTED |
| 357 | } |
| 358 | |
| 359 | static void drawSprite_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 360 | SkGPipeState* state) { |
| 361 | UNIMPLEMENTED |
| 362 | } |
| 363 | |
| 364 | /////////////////////////////////////////////////////////////////////////////// |
| 365 | |
| 366 | static void drawData_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 367 | SkGPipeState* state) { |
| 368 | // since we don't have a paint, we can use data for our (small) sizes |
| 369 | size_t size = DrawOp_unpackData(op32); |
| 370 | if (0 == size) { |
| 371 | size = reader->readU32(); |
| 372 | } |
| 373 | const void* data = reader->skip(SkAlign4(size)); |
| 374 | canvas->drawData(data, size); |
| 375 | } |
| 376 | |
| 377 | static void drawShape_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 378 | SkGPipeState* state) { |
| 379 | UNIMPLEMENTED |
| 380 | } |
| 381 | |
| 382 | static void drawPicture_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| 383 | SkGPipeState* state) { |
| 384 | UNIMPLEMENTED |
| 385 | } |
| 386 | |
| 387 | /////////////////////////////////////////////////////////////////////////////// |
| 388 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 389 | static void paintOp_rp(SkCanvas*, SkReader32* reader, uint32_t op32, |
| 390 | SkGPipeState* state) { |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 391 | size_t offset = reader->offset(); |
| 392 | size_t stop = offset + PaintOp_unpackData(op32); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 393 | SkPaint* p = state->editPaint(); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 394 | |
| 395 | do { |
| 396 | uint32_t p32 = reader->readU32(); |
| 397 | unsigned op = PaintOp_unpackOp(p32); |
| 398 | unsigned data = PaintOp_unpackData(p32); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 399 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 400 | // SkDebugf(" read %08X op=%d flags=%d data=%d\n", p32, op, done, data); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 401 | |
| 402 | switch (op) { |
| 403 | case kReset_PaintOp: p->reset(); break; |
| 404 | case kFlags_PaintOp: p->setFlags(data); break; |
| 405 | case kColor_PaintOp: p->setColor(reader->readU32()); break; |
| 406 | case kStyle_PaintOp: p->setStyle((SkPaint::Style)data); break; |
| 407 | case kJoin_PaintOp: p->setStrokeJoin((SkPaint::Join)data); break; |
| 408 | case kCap_PaintOp: p->setStrokeCap((SkPaint::Cap)data); break; |
| 409 | case kWidth_PaintOp: p->setStrokeWidth(reader->readScalar()); break; |
| 410 | case kMiter_PaintOp: p->setStrokeMiter(reader->readScalar()); break; |
| 411 | case kEncoding_PaintOp: |
| 412 | p->setTextEncoding((SkPaint::TextEncoding)data); |
| 413 | break; |
| 414 | case kHinting_PaintOp: p->setHinting((SkPaint::Hinting)data); break; |
| 415 | case kAlign_PaintOp: p->setTextAlign((SkPaint::Align)data); break; |
| 416 | case kTextSize_PaintOp: p->setTextSize(reader->readScalar()); break; |
| 417 | case kTextScaleX_PaintOp: p->setTextScaleX(reader->readScalar()); break; |
| 418 | case kTextSkewX_PaintOp: p->setTextSkewX(reader->readScalar()); break; |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 419 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 420 | case kFlatIndex_PaintOp: { |
| 421 | PaintFlats pf = (PaintFlats)PaintOp_unpackFlags(p32); |
| 422 | unsigned index = data; |
| 423 | set_paintflat(p, state->getFlat(index), pf); |
| 424 | break; |
| 425 | } |
| 426 | |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 427 | case kTypeface_PaintOp: state->setTypeface(p, data); break; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 428 | default: SkASSERT(!"bad paintop"); return; |
| 429 | } |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 430 | SkASSERT(reader->offset() <= stop); |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 431 | } while (reader->offset() < stop); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 432 | } |
| 433 | |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 434 | /////////////////////////////////////////////////////////////////////////////// |
| 435 | |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 436 | static void def_Typeface_rp(SkCanvas*, SkReader32*, uint32_t, SkGPipeState* state) { |
| 437 | state->addTypeface(); |
| 438 | } |
| 439 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 440 | static void def_PaintFlat_rp(SkCanvas*, SkReader32*, uint32_t op32, |
| 441 | SkGPipeState* state) { |
| 442 | PaintFlats pf = (PaintFlats)DrawOp_unpackFlags(op32); |
| 443 | unsigned index = DrawOp_unpackData(op32); |
| 444 | state->defFlattenable(pf, index); |
| 445 | } |
| 446 | |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 447 | static void name_PaintFlat_rp(SkCanvas*, SkReader32*, uint32_t op32, |
| 448 | SkGPipeState* state) { |
| 449 | PaintFlats pf = (PaintFlats)DrawOp_unpackFlags(op32); |
| 450 | unsigned index = DrawOp_unpackData(op32); |
| 451 | state->nameFlattenable(pf, index); |
| 452 | } |
| 453 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 454 | /////////////////////////////////////////////////////////////////////////////// |
| 455 | |
reed@google.com | acd471f | 2011-05-03 21:26:46 +0000 | [diff] [blame] | 456 | static void skip_rp(SkCanvas*, SkReader32* reader, uint32_t op32, SkGPipeState*) { |
| 457 | size_t bytes = DrawOp_unpackData(op32); |
| 458 | (void)reader->skip(bytes); |
| 459 | } |
| 460 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 461 | static void done_rp(SkCanvas*, SkReader32*, uint32_t, SkGPipeState*) {} |
| 462 | |
| 463 | typedef void (*ReadProc)(SkCanvas*, SkReader32*, uint32_t op32, SkGPipeState*); |
| 464 | |
| 465 | static const ReadProc gReadTable[] = { |
reed@google.com | acd471f | 2011-05-03 21:26:46 +0000 | [diff] [blame] | 466 | skip_rp, |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 467 | clipPath_rp, |
| 468 | clipRegion_rp, |
| 469 | clipRect_rp, |
| 470 | concat_rp, |
| 471 | drawBitmap_rp, |
| 472 | drawBitmapMatrix_rp, |
| 473 | drawBitmapRect_rp, |
| 474 | drawClear_rp, |
| 475 | drawData_rp, |
| 476 | drawPaint_rp, |
| 477 | drawPath_rp, |
| 478 | drawPicture_rp, |
| 479 | drawPoints_rp, |
| 480 | drawPosText_rp, |
| 481 | drawPosTextH_rp, |
| 482 | drawRect_rp, |
| 483 | drawShape_rp, |
| 484 | drawSprite_rp, |
| 485 | drawText_rp, |
| 486 | drawTextOnPath_rp, |
| 487 | drawVertices_rp, |
| 488 | restore_rp, |
| 489 | rotate_rp, |
| 490 | save_rp, |
| 491 | saveLayer_rp, |
| 492 | scale_rp, |
| 493 | setMatrix_rp, |
| 494 | skew_rp, |
| 495 | translate_rp, |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 496 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 497 | paintOp_rp, |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 498 | def_Typeface_rp, |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 499 | def_PaintFlat_rp, |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 500 | name_PaintFlat_rp, |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 501 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 502 | done_rp |
| 503 | }; |
| 504 | |
| 505 | /////////////////////////////////////////////////////////////////////////////// |
| 506 | |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 507 | SkGPipeState::SkGPipeState() {} |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 508 | |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 509 | SkGPipeState::~SkGPipeState() { |
reed@google.com | 3189158 | 2011-05-12 03:03:56 +0000 | [diff] [blame] | 510 | fTypefaces.unrefAll(); |
reed@google.com | b55d118 | 2011-05-11 00:42:04 +0000 | [diff] [blame] | 511 | fFlatArray.unrefAll(); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | /////////////////////////////////////////////////////////////////////////////// |
| 515 | |
| 516 | #include "SkGPipe.h" |
| 517 | |
| 518 | SkGPipeReader::SkGPipeReader(SkCanvas* target) { |
| 519 | SkSafeRef(target); |
| 520 | fCanvas = target; |
| 521 | fState = NULL; |
| 522 | } |
| 523 | |
| 524 | SkGPipeReader::~SkGPipeReader() { |
| 525 | SkSafeUnref(fCanvas); |
| 526 | delete fState; |
| 527 | } |
| 528 | |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 529 | SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length, |
| 530 | size_t* bytesRead) { |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 531 | if (NULL == fCanvas) { |
| 532 | return kError_Status; |
| 533 | } |
| 534 | |
| 535 | if (NULL == fState) { |
| 536 | fState = new SkGPipeState; |
| 537 | } |
| 538 | |
reed@google.com | 0faac1e | 2011-05-11 05:58:58 +0000 | [diff] [blame] | 539 | SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1)); |
| 540 | |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 541 | const ReadProc* table = gReadTable; |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 542 | SkFlattenableReadBuffer reader(data, length); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 543 | SkCanvas* canvas = fCanvas; |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 544 | Status status = kEOF_Status; |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 545 | |
| 546 | fState->setReader(&reader); |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 547 | while (!reader.eof()) { |
| 548 | uint32_t op32 = reader.readU32(); |
| 549 | unsigned op = DrawOp_unpackOp(op32); |
reed@google.com | bb6793b | 2011-05-05 15:18:15 +0000 | [diff] [blame] | 550 | SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;) |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 551 | |
| 552 | if (op >= SK_ARRAY_COUNT(gReadTable)) { |
| 553 | SkDebugf("---- bad op during GPipeState::playback\n"); |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 554 | status = kError_Status; |
| 555 | break; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 556 | } |
| 557 | if (kDone_DrawOp == op) { |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 558 | status = kDone_Status; |
| 559 | break; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 560 | } |
| 561 | table[op](canvas, &reader, op32, fState); |
| 562 | } |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 563 | |
| 564 | if (bytesRead) { |
reed@google.com | ac45f00 | 2011-05-24 13:50:21 +0000 | [diff] [blame] | 565 | *bytesRead = reader.offset(); |
reed@google.com | 80b09de | 2011-05-23 13:54:24 +0000 | [diff] [blame] | 566 | } |
| 567 | return status; |
reed@google.com | bb6992a | 2011-04-26 17:41:56 +0000 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | |