bool TiledPictureRenderer::render(SkBitmap** out) {
SkASSERT(fPicture != NULL);
if (NULL == fPicture) {
return false;
}
SkBitmap bitmap;
if (out){
*out = SkNEW(SkBitmap);
setup_bitmap(*out, fPicture->width(), fPicture->height());
setup_bitmap(&bitmap, fTileWidth, fTileHeight);
}
bool success = true;
for (int i = 0; i < fTileRects.count(); ++i) {
draw_tile_to_canvas(fCanvas, fTileRects[i], fPicture);
if (fEnableWrites) {
success &= write(fCanvas, fWritePath, fMismatchPath, fInputFilename, fJsonSummaryPtr,
fUseChecksumBasedFilenames, &i);
}
if (NULL != out) {
if (fCanvas->readPixels(&bitmap, 0, 0)) {
// Add this tile to the entire bitmap.
bitmapCopyAtOffset(bitmap, *out, SkScalarFloorToInt(fTileRects[i].left()),
SkScalarFloorToInt(fTileRects[i].top()));
} else {
success = false;
}
}
}
return success;
}
bool TiledPictureRenderer::render(const SkString* path, SkBitmap** out) {
SkASSERT(fPicture != NULL);
if (NULL == fPicture) {
return false;
}
SkBitmap bitmap;
if (out){
*out = SkNEW(SkBitmap);
setup_bitmap(*out, fPicture->width(), fPicture->height());
setup_bitmap(&bitmap, fTileWidth, fTileHeight);
}
bool success = true;
for (int i = 0; i < fTileRects.count(); ++i) {
draw_tile_to_canvas(fCanvas, fTileRects[i], fPicture);
if (NULL != path) {
success &= writeAppendNumber(fCanvas, path, i, fJsonSummaryPtr);
}
if (NULL != out) {
if (fCanvas->readPixels(&bitmap, 0, 0)) {
// Add this tile to the entire bitmap.
bitmapCopyAtOffset(bitmap, *out, SkScalarFloorToInt(fTileRects[i].left()),
SkScalarFloorToInt(fTileRects[i].top()));
} else {
success = false;
}
}
}
return success;
}
bool TiledPictureRenderer::render(SkBitmap** out) {
SkASSERT(fPicture != NULL);
if (NULL == fPicture) {
return false;
}
SkBitmap bitmap;
if (out) {
*out = SkNEW(SkBitmap);
setup_bitmap(*out, SkScalarCeilToInt(fPicture->cullRect().width()),
SkScalarCeilToInt(fPicture->cullRect().height()));
setup_bitmap(&bitmap, fTileWidth, fTileHeight);
}
bool success = true;
if (fUseMultiPictureDraw) {
SkMultiPictureDraw mpd;
SkTDArray<SkSurface*> surfaces;
surfaces.setReserve(fTileRects.count());
// Create a separate SkSurface/SkCanvas for each tile along with a
// translated version of the skp (to mimic Chrome's behavior) and
// feed all such pairs to the MultiPictureDraw.
for (int i = 0; i < fTileRects.count(); ++i) {
SkImageInfo ii = fCanvas->imageInfo().makeWH(fTileRects[i].width(),
fTileRects[i].height());
*surfaces.append() = fCanvas->newSurface(ii);
surfaces[i]->getCanvas()->setMatrix(fCanvas->getTotalMatrix());
SkPictureRecorder recorder;
SkRTreeFactory bbhFactory;
SkCanvas* c = recorder.beginRecording(SkIntToScalar(fTileRects[i].width()),
SkIntToScalar(fTileRects[i].height()),
&bbhFactory,
SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag);
c->save();
SkMatrix mat;
mat.setTranslate(-SkIntToScalar(fTileRects[i].fLeft),
-SkIntToScalar(fTileRects[i].fTop));
c->setMatrix(mat);
c->drawPicture(fPicture);
c->restore();
SkAutoTUnref<SkPicture> xlatedPicture(recorder.endRecording());
mpd.add(surfaces[i]->getCanvas(), xlatedPicture);
}
// Render all the buffered SkCanvases/SkPictures
mpd.draw();
// Sort out the results and cleanup the allocated surfaces
for (int i = 0; i < fTileRects.count(); ++i) {
success &= this->postRender(surfaces[i]->getCanvas(), fTileRects[i], &bitmap, out, i);
surfaces[i]->unref();
}
} else {
for (int i = 0; i < fTileRects.count(); ++i) {
draw_tile_to_canvas(fCanvas, fTileRects[i], fPicture);
success &= this->postRender(fCanvas, fTileRects[i], &bitmap, out, i);
}
}
return success;
}
void TiledPictureRenderer::drawCurrentTile() {
SkASSERT(fCurrentTileOffset >= 0 && fCurrentTileOffset < fTileRects.count());
draw_tile_to_canvas(fCanvas, fTileRects[fCurrentTileOffset], fPicture);
}
