skia2/tools/fiddle/examples.h

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#ifndef examples_DEFINED
#define examples_DEFINED
#include "Registry.h"
#include "skia.h"
#include <cmath>
#include <string>
namespace fiddle {
struct Example {
void (*fFunc)(SkCanvas*);
const char* fName;
int fImageIndex;
int fWidth;
int fHeight;
bool fText;
bool fSRGB;
bool fF16;
bool fAnimation;
bool fOffscreen;
};
}
extern GrBackendTexture backEndTexture;
extern GrBackendRenderTarget backEndRenderTarget;
extern GrBackendTexture backEndTextureRenderTarget;
extern SkBitmap source;
extern sk_sp<SkImage> image;
extern double duration; // The total duration of the animation in seconds.
extern double frame; // A value in [0, 1] of where we are in the animation.
#define REG_FIDDLE(NAME, W, H, TEXT, I) \
namespace example_##NAME { void draw(SkCanvas*); } \
sk_tools::Registry<fiddle::Example> reg_##NAME( \
fiddle::Example{&example_##NAME::draw, #NAME, I, W, H, TEXT, false, false, false, false}); \
namespace example_##NAME
#endif // examples_DEFINED