void SkBitmapDevice::drawSpecial(const SkDraw& draw, SkSpecialImage* srcImg, int x, int y,
const SkPaint& paint) {
SkASSERT(!srcImg->isTextureBacked());
SkBitmap resultBM;
SkImageFilter* filter = paint.getImageFilter();
if (filter) {
SkIPoint offset = SkIPoint::Make(0, 0);
SkMatrix matrix = *draw.fMatrix;
matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
const SkIRect clipBounds = draw.fRC->getBounds().makeOffset(-x, -y);
SkAutoTUnref<SkImageFilterCache> cache(this->getImageFilterCache());
SkImageFilter::OutputProperties outputProperties(fBitmap.colorSpace());
SkImageFilter::Context ctx(matrix, clipBounds, cache.get(), outputProperties);
sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg, ctx, &offset));
if (resultImg) {
SkPaint tmpUnfiltered(paint);
tmpUnfiltered.setImageFilter(nullptr);
if (resultImg->getROPixels(&resultBM)) {
this->drawSprite(draw, resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
}
}
} else {
if (srcImg->getROPixels(&resultBM)) {
this->drawSprite(draw, resultBM, x, y, paint);
}
}
}
void SkBaseDevice::drawSpriteWithFilter(const SkDraw& draw, const SkBitmap& bitmap,
int x, int y,
const SkPaint& paint) {
SkImageFilter* filter = paint.getImageFilter();
SkASSERT(filter);
SkIPoint offset = SkIPoint::Make(0, 0);
SkMatrix matrix = *draw.fMatrix;
matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
const SkIRect clipBounds = draw.fRC->getBounds().makeOffset(-x, -y);
SkAutoTUnref<SkImageFilterCache> cache(this->getImageFilterCache());
SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
sk_sp<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(bitmap, &this->surfaceProps()));
if (!srcImg) {
return; // something disastrous happened
}
sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offset));
if (resultImg) {
SkPaint tmpUnfiltered(paint);
tmpUnfiltered.setImageFilter(nullptr);
SkBitmap resultBM;
if (resultImg->internal_getBM(&resultBM)) {
// TODO: add drawSprite(SkSpecialImage) to SkDevice? (see skbug.com/5073)
this->drawSprite(draw, resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
}
}
}
void SkBaseDevice::drawBitmapAsSprite(const SkDraw& draw, const SkBitmap& bitmap, int x, int y,
const SkPaint& paint) {
SkImageFilter* filter = paint.getImageFilter();
if (filter && !this->canHandleImageFilter(filter)) {
SkImageFilter::DeviceProxy proxy(this);
SkBitmap dst;
SkIPoint offset = SkIPoint::Make(0, 0);
SkMatrix matrix = *draw.fMatrix;
matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
const SkIRect clipBounds = draw.fClip->getBounds().makeOffset(-x, -y);
SkAutoTUnref<SkImageFilter::Cache> cache(this->getImageFilterCache());
SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
if (filter->filterImageDeprecated(&proxy, bitmap, ctx, &dst, &offset)) {
SkPaint tmpUnfiltered(paint);
tmpUnfiltered.setImageFilter(nullptr);
this->drawSprite(draw, dst, x + offset.x(), y + offset.y(), tmpUnfiltered);
}
} else {
this->drawSprite(draw, bitmap, x, y, paint);
}
}
