// 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;
}
