43 lines
1.8 KiB
C++
43 lines
1.8 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=afc62f38aebc56af8e425297ec67dd37
|
|
REG_FIDDLE(Image_isValid, 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;
|
|
}
|
|
SkFont font;
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
canvas->drawImage(image, 0, 0);
|
|
canvas->drawString(label, image->width() / 2, image->height() / 4, font, paint);
|
|
if (dContext) {
|
|
const char* msg = image->isValid(dContext) ? "is valid on GPU"
|
|
: "not valid on GPU";
|
|
canvas->drawString(msg, 20, image->height() * 5 / 8, font, paint);
|
|
}
|
|
|
|
const char* msg = image->isValid(nullptr) ? "is valid on CPU" : "not valid on CPU";
|
|
|
|
canvas->drawString(msg, 20, image->height() * 7 / 8, 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
|