void draw(SkCanvas* canvas) {
auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void {
if (nullptr == image) {
return;
}
SkPaint paint;
paint.setAntiAlias(true);
canvas->drawImage(image, 0, 0);
canvas->drawString(label, image->width() / 2, image->height() / 4, paint);
if (canvas->getGrContext()) {
canvas->drawString(image->isValid(canvas->getGrContext()) ? "is valid on GPU" :
"not valid on GPU", 20, image->height() * 5 / 8, paint);
}
canvas->drawString(image->isValid(nullptr) ? "is valid on CPU" :
"not valid on CPU", 20, image->height() * 7 / 8, paint);
};
sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
kOpaque_SkAlphaType, nullptr));
drawImage(image, "image");
canvas->translate(image->width(), 0);
drawImage(bitmapImage, "source");
canvas->translate(-image->width(), image->height());
drawImage(textureImage, "backEndTexture");
}
PassRefPtr<Image> ImageBitmap::getSourceImageForCanvas(SourceImageMode, SourceImageStatus* status) const
{
*status = NormalSourceImageStatus;
return bitmapImage();
}
PassRefPtr<Image> ImageBitmap::getSourceImageForCanvas(SourceImageStatus* status, AccelerationHint) const
{
*status = NormalSourceImageStatus;
return bitmapImage();
}