// Check for: // SAVE // CLIP_RECT // DRAWBITMAPRECTTORECT // RESTORE // where: // the drawBitmapRectToRect is a 1-1 copy from src to dest // the clip rect is BW and a subset of the drawBitmapRectToRect's dest rect static bool check_8(SkDebugCanvas* canvas, int curCommand) { if (SAVE != canvas->getDrawCommandAt(curCommand)->getType() || canvas->getSize() <= curCommand+4 || CLIP_RECT != canvas->getDrawCommandAt(curCommand+1)->getType() || DRAW_BITMAP_RECT_TO_RECT != canvas->getDrawCommandAt(curCommand+2)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+3)->getType()) { return false; } SkClipRectCommand* clip = (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1); SkDrawBitmapRectCommand* dbmr = (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2); if (clip->doAA() || SkRegion::kIntersect_Op != clip->op()) { return false; } // The src->dest mapping needs to be 1-to-1 if (NULL == dbmr->srcRect()) { if (dbmr->bitmap().width() != dbmr->dstRect().width() || dbmr->bitmap().height() != dbmr->dstRect().height()) { return false; } } else { if (dbmr->srcRect()->width() != dbmr->dstRect().width() || dbmr->srcRect()->height() != dbmr->dstRect().height()) { return false; } } if (!dbmr->dstRect().contains(clip->rect())) { return false; } return true; }
// Check for: // SAVE // CLIP_RECT // SAVE_LAYER // SAVE // CLIP_RECT // SAVE_LAYER // SAVE // CLIP_RECT // DRAWBITMAPRECTTORECT // RESTORE // RESTORE // RESTORE // RESTORE // RESTORE // where: // all the clipRect's are BW, nested, intersections // the drawBitmapRectToRect is a 1-1 copy from src to dest // the last (smallest) clip rect is a subset of the drawBitmapRectToRect's dest rect // all the saveLayer's paints can be rolled into the drawBitmapRectToRect's paint // This pattern is used by Google spreadsheet when drawing the toolbar buttons static bool check_7(SkDebugCanvas* canvas, int curCommand) { if (SAVE != canvas->getDrawCommandAt(curCommand)->getType() || canvas->getSize() <= curCommand+13 || CLIP_RECT != canvas->getDrawCommandAt(curCommand+1)->getType() || SAVE_LAYER != canvas->getDrawCommandAt(curCommand+2)->getType() || SAVE != canvas->getDrawCommandAt(curCommand+3)->getType() || CLIP_RECT != canvas->getDrawCommandAt(curCommand+4)->getType() || SAVE_LAYER != canvas->getDrawCommandAt(curCommand+5)->getType() || SAVE != canvas->getDrawCommandAt(curCommand+6)->getType() || CLIP_RECT != canvas->getDrawCommandAt(curCommand+7)->getType() || DRAW_BITMAP_RECT_TO_RECT != canvas->getDrawCommandAt(curCommand+8)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+9)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+10)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+11)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+12)->getType() || RESTORE != canvas->getDrawCommandAt(curCommand+13)->getType()) { return false; } SkClipRectCommand* clip0 = (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1); SkSaveLayerCommand* saveLayer0 = (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+2); SkClipRectCommand* clip1 = (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+4); SkSaveLayerCommand* saveLayer1 = (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+5); SkClipRectCommand* clip2 = (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+7); SkDrawBitmapRectCommand* dbmr = (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+8); if (clip0->doAA() || clip1->doAA() || clip2->doAA()) { return false; } if (SkRegion::kIntersect_Op != clip0->op() || SkRegion::kIntersect_Op != clip1->op() || SkRegion::kIntersect_Op != clip2->op()) { return false; } if (!clip0->rect().contains(clip1->rect()) || !clip1->rect().contains(clip2->rect())) { return false; } // The src->dest mapping needs to be 1-to-1 if (NULL == dbmr->srcRect()) { if (dbmr->bitmap().width() != dbmr->dstRect().width() || dbmr->bitmap().height() != dbmr->dstRect().height()) { return false; } } else { if (dbmr->srcRect()->width() != dbmr->dstRect().width() || dbmr->srcRect()->height() != dbmr->dstRect().height()) { return false; } } if (!dbmr->dstRect().contains(clip2->rect())) { return false; } const SkPaint* saveLayerPaint0 = saveLayer0->paint(); const SkPaint* saveLayerPaint1 = saveLayer1->paint(); if ((NULL != saveLayerPaint0 && !is_simple(*saveLayerPaint0)) || (NULL != saveLayerPaint1 && !is_simple(*saveLayerPaint1))) { return false; } SkPaint* dbmrPaint = dbmr->paint(); if (NULL == dbmrPaint) { return true; } if (NULL != saveLayerPaint0) { SkColor layerColor0 = saveLayerPaint0->getColor() | 0xFF000000; // force opaque if (dbmrPaint->getColor() != layerColor0) { return false; } } if (NULL != saveLayerPaint1) { SkColor layerColor1 = saveLayerPaint1->getColor() | 0xFF000000; // force opaque if (dbmrPaint->getColor() != layerColor1) { return false; } } return true; }