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| 1 /* | |
| 2 ** | |
| 3 ** Copyright 2007, The Android Open Source Project | |
| 4 ** | |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 ** you may not use this file except in compliance with the License. | |
| 7 ** You may obtain a copy of the License at | |
| 8 ** | |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 ** | |
| 11 ** Unless required by applicable law or agreed to in writing, software | |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 ** See the License for the specific language governing permissions and | |
| 15 ** limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #include "SkPictureFlat.h" | |
| 19 #include "SkPicturePlayback.h" | |
| 20 #include "SkPictureRecord.h" | |
| 21 | |
| 22 #include "SkCanvas.h" | |
| 23 #include "SkChunkAlloc.h" | |
| 24 #include "SkPicture.h" | |
| 25 #include "SkRegion.h" | |
| 26 #include "SkStream.h" | |
| 27 #include "SkTDArray.h" | |
| 28 #include "SkTSearch.h" | |
| 29 #include "SkTime.h" | |
| 30 | |
| 31 #include "SkReader32.h" | |
| 32 #include "SkWriter32.h" | |
| 33 | |
| 34 #define DUMP_BUFFER_SIZE 65536 | |
| 35 | |
| 36 //#define ENABLE_TIME_DRAW // dumps milliseconds for each draw | |
| 37 | |
| 38 | |
| 39 #ifdef SK_DEBUG | |
| 40 // enable SK_DEBUG_TRACE to trace DrawType elements when | |
| 41 // recorded and played back | |
| 42 // #define SK_DEBUG_TRACE | |
| 43 // enable SK_DEBUG_SIZE to see the size of picture components | |
| 44 // #define SK_DEBUG_SIZE | |
| 45 // enable SK_DEBUG_DUMP to see the contents of recorded elements | |
| 46 // #define SK_DEBUG_DUMP | |
| 47 // enable SK_DEBUG_VALIDATE to check internal structures for consistency | |
| 48 // #define SK_DEBUG_VALIDATE | |
| 49 #endif | |
| 50 | |
| 51 #if defined SK_DEBUG_TRACE || defined SK_DEBUG_DUMP | |
| 52 const char* DrawTypeToString(DrawType drawType) { | |
| 53 switch (drawType) { | |
| 54 case UNUSED: SkDebugf("DrawType UNUSED\n"); SkASSERT(0); break; | |
| 55 case CLIP_PATH: return "CLIP_PATH"; | |
| 56 case CLIP_REGION: return "CLIP_REGION"; | |
| 57 case CLIP_RECT: return "CLIP_RECT"; | |
| 58 case CONCAT: return "CONCAT"; | |
| 59 case DRAW_BITMAP: return "DRAW_BITMAP"; | |
| 60 case DRAW_BITMAP_MATRIX: return "DRAW_BITMAP_MATRIX"; | |
| 61 case DRAW_BITMAP_RECT: return "DRAW_BITMAP_RECT"; | |
| 62 case DRAW_PAINT: return "DRAW_PAINT"; | |
| 63 case DRAW_PATH: return "DRAW_PATH"; | |
| 64 case DRAW_PICTURE: return "DRAW_PICTURE"; | |
| 65 case DRAW_POINTS: return "DRAW_POINTS"; | |
| 66 case DRAW_POS_TEXT: return "DRAW_POS_TEXT"; | |
| 67 case DRAW_POS_TEXT_H: return "DRAW_POS_TEXT_H"; | |
| 68 case DRAW_RECT_GENERAL: return "DRAW_RECT_GENERAL"; | |
| 69 case DRAW_RECT_SIMPLE: return "DRAW_RECT_SIMPLE"; | |
| 70 case DRAW_SPRITE: return "DRAW_SPRITE"; | |
| 71 case DRAW_TEXT: return "DRAW_TEXT"; | |
| 72 case DRAW_TEXT_ON_PATH: return "DRAW_TEXT_ON_PATH"; | |
| 73 case RESTORE: return "RESTORE"; | |
| 74 case ROTATE: return "ROTATE"; | |
| 75 case SAVE: return "SAVE"; | |
| 76 case SAVE_LAYER: return "SAVE_LAYER"; | |
| 77 case SCALE: return "SCALE"; | |
| 78 case SKEW: return "SKEW"; | |
| 79 case TRANSLATE: return "TRANSLATE"; | |
| 80 default: | |
| 81 SkDebugf("DrawType error 0x%08x\n", drawType); | |
| 82 SkASSERT(0); | |
| 83 break; | |
| 84 } | |
| 85 SkASSERT(0); | |
| 86 return NULL; | |
| 87 } | |
| 88 #endif | |
| 89 | |
| 90 #ifdef SK_DEBUG_VALIDATE | |
| 91 static void validateMatrix(const SkMatrix* matrix) { | |
| 92 SkScalar scaleX = matrix->getScaleX(); | |
| 93 SkScalar scaleY = matrix->getScaleY(); | |
| 94 SkScalar skewX = matrix->getSkewX(); | |
| 95 SkScalar skewY = matrix->getSkewY(); | |
| 96 SkScalar perspX = matrix->getPerspX(); | |
| 97 SkScalar perspY = matrix->getPerspY(); | |
| 98 if (scaleX != 0 && skewX != 0) | |
| 99 SkDebugf("scaleX != 0 && skewX != 0\n"); | |
| 100 SkASSERT(scaleX == 0 || skewX == 0); | |
| 101 SkASSERT(scaleY == 0 || skewY == 0); | |
| 102 SkASSERT(perspX == 0); | |
| 103 SkASSERT(perspY == 0); | |
| 104 } | |
| 105 #endif | |
| 106 | |
| 107 | |
| 108 /////////////////////////////////////////////////////////////////////////////// | |
| 109 | |
| 110 SkPicture::SkPicture() { | |
| 111 fRecord = NULL; | |
| 112 fPlayback = NULL; | |
| 113 fWidth = fHeight = 0; | |
| 114 } | |
| 115 | |
| 116 SkPicture::SkPicture(const SkPicture& src) : SkRefCnt() { | |
| 117 fWidth = src.fWidth; | |
| 118 fHeight = src.fHeight; | |
| 119 fRecord = NULL; | |
| 120 | |
| 121 /* We want to copy the src's playback. However, if that hasn't been built | |
| 122 yet, we need to fake a call to endRecording() without actually calling | |
| 123 it (since it is destructive, and we don't want to change src). | |
| 124 */ | |
| 125 if (src.fPlayback) { | |
| 126 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*src.fPlayback)); | |
| 127 } else if (src.fRecord) { | |
| 128 // here we do a fake src.endRecording() | |
| 129 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*src.fRecord)); | |
| 130 } else { | |
| 131 fPlayback = NULL; | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 SkPicture::~SkPicture() { | |
| 136 fRecord->safeUnref(); | |
| 137 SkDELETE(fPlayback); | |
| 138 } | |
| 139 | |
| 140 void SkPicture::swap(SkPicture& other) { | |
| 141 SkTSwap(fRecord, other.fRecord); | |
| 142 SkTSwap(fPlayback, other.fPlayback); | |
| 143 SkTSwap(fWidth, other.fWidth); | |
| 144 SkTSwap(fHeight, other.fHeight); | |
| 145 } | |
| 146 | |
| 147 /////////////////////////////////////////////////////////////////////////////// | |
| 148 | |
| 149 SkCanvas* SkPicture::beginRecording(int width, int height) { | |
| 150 if (fPlayback) { | |
| 151 SkDELETE(fPlayback); | |
| 152 fPlayback = NULL; | |
| 153 } | |
| 154 | |
| 155 if (NULL != fRecord) { | |
| 156 fRecord->unref(); | |
| 157 fRecord = NULL; | |
| 158 } | |
| 159 | |
| 160 fRecord = SkNEW(SkPictureRecord); | |
| 161 | |
| 162 fWidth = width; | |
| 163 fHeight = height; | |
| 164 | |
| 165 SkBitmap bm; | |
| 166 bm.setConfig(SkBitmap::kNo_Config, width, height); | |
| 167 fRecord->setBitmapDevice(bm); | |
| 168 | |
| 169 return fRecord; | |
| 170 } | |
| 171 | |
| 172 SkCanvas* SkPicture::getRecordingCanvas() const { | |
| 173 // will be null if we are not recording | |
| 174 return fRecord; | |
| 175 } | |
| 176 | |
| 177 void SkPicture::endRecording() { | |
| 178 if (NULL == fPlayback) { | |
| 179 if (NULL != fRecord) { | |
| 180 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*fRecord)); | |
| 181 fRecord->unref(); | |
| 182 fRecord = NULL; | |
| 183 } | |
| 184 } | |
| 185 SkASSERT(NULL == fRecord); | |
| 186 } | |
| 187 | |
| 188 void SkPicture::draw(SkCanvas* surface) { | |
| 189 this->endRecording(); | |
| 190 if (fPlayback) { | |
| 191 fPlayback->draw(*surface); | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 /////////////////////////////////////////////////////////////////////////////// | |
| 196 | |
| 197 #include "SkStream.h" | |
| 198 | |
| 199 #define PICTURE_VERSION 1 | |
| 200 | |
| 201 SkPicture::SkPicture(SkStream* stream) : SkRefCnt() { | |
| 202 if (stream->readU32() != PICTURE_VERSION) { | |
| 203 sk_throw(); | |
| 204 } | |
| 205 | |
| 206 fWidth = stream->readU32(); | |
| 207 fHeight = stream->readU32(); | |
| 208 | |
| 209 fRecord = NULL; | |
| 210 fPlayback = NULL; | |
| 211 | |
| 212 if (stream->readBool()) { | |
| 213 fPlayback = SkNEW_ARGS(SkPicturePlayback, (stream)); | |
| 214 } | |
| 215 } | |
| 216 | |
| 217 void SkPicture::serialize(SkWStream* stream) const { | |
| 218 SkPicturePlayback* playback = fPlayback; | |
| 219 | |
| 220 if (NULL == playback && fRecord) { | |
| 221 playback = SkNEW_ARGS(SkPicturePlayback, (*fRecord)); | |
| 222 } | |
| 223 | |
| 224 stream->write32(PICTURE_VERSION); | |
| 225 stream->write32(fWidth); | |
| 226 stream->write32(fHeight); | |
| 227 if (playback) { | |
| 228 stream->writeBool(true); | |
| 229 playback->serialize(stream); | |
| 230 // delete playback if it is a local version (i.e. cons'd up just now) | |
| 231 if (playback != fPlayback) { | |
| 232 SkDELETE(playback); | |
| 233 } | |
| 234 } else { | |
| 235 stream->writeBool(false); | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 void SkPicture::abortPlayback() { | |
| 240 if (NULL == fPlayback) { | |
| 241 return; | |
| 242 } | |
| 243 fPlayback->abort(); | |
| 244 } | |
| 245 | |
| 246 | |
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Chromium Code Reviews
Issue 113827:
Remove the remainder of the skia source code from the Chromium repo.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/