aosp12/external/skia/docs/examples/Image_makeNonTextureImage.cpp

35 lines
1.4 KiB
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=ecdbaff44a02c310ef672b7d393c6dea
REG_FIDDLE(Image_makeNonTextureImage, 256, 256, false, 5) {
void draw(SkCanvas* canvas) {
auto dContext = GrAsDirectContext(canvas->recordingContext());
if (!dContext) {
return;
}
auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void {
if (nullptr == image) {
return;
}
SkPaint paint;
paint.setAntiAlias(true);
SkFont font;
sk_sp<SkImage> nonTexture(image->makeNonTextureImage());
canvas->drawImage(nonTexture, 0, 0);
canvas->drawString(label, 20, nonTexture->height() / 4, font, paint);
};
sk_sp<SkImage> bitmapImage(source.asImage());
sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(dContext, 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");
}
} // END FIDDLE