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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkBlurMask.h"
#include "SkCanvas.h"
#include "SkColorFilter.h"
#include "SkEmbossMaskFilter.h"
static SkBitmap make_bm() {
SkBitmap bm;
bm.allocN32Pixels(100, 100);
SkCanvas canvas(bm);
canvas.clear(0);
SkPaint paint;
paint.setAntiAlias(true);
canvas.drawCircle(50, 50, 50, paint);
return bm;
}
class EmbossGM : public skiagm::GM {
public:
EmbossGM() {
}
protected:
SkString onShortName() override {
return SkString("emboss");
}
SkISize onISize() override {
return SkISize::Make(600, 120);
}
void onDraw(SkCanvas* canvas) override {
SkPaint paint;
SkBitmap bm = make_bm();
canvas->drawBitmap(bm, 10, 10, &paint);
canvas->translate(bm.width() + SkIntToScalar(10), 0);
paint.setMaskFilter(SkEmbossMaskFilter::Make(
SkBlurMask::ConvertRadiusToSigma(3),
{ { SK_Scalar1, SK_Scalar1, SK_Scalar1 }, 0, 128, 16*2 }));
canvas->drawBitmap(bm, 10, 10, &paint);
canvas->translate(bm.width() + SkIntToScalar(10), 0);
// this combination of emboss+colorfilter used to crash -- so we exercise it to
// confirm that we have a fix.
paint.setColorFilter(SkColorFilter::MakeModeFilter(0xFFFF0000, SkBlendMode::kSrcATop));
canvas->drawBitmap(bm, 10, 10, &paint);
canvas->translate(bm.width() + SkIntToScalar(10), 0);
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkIntToScalar(10));
paint.setMaskFilter(SkEmbossMaskFilter::Make(
SkBlurMask::ConvertRadiusToSigma(4),
{ { SK_Scalar1, SK_Scalar1, SK_Scalar1 }, 0, 128, 16*2 }));
paint.setColorFilter(nullptr);
paint.setShader(SkShader::MakeColorShader(SK_ColorBLUE));
paint.setDither(true);
canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
SkIntToScalar(30), paint);
canvas->translate(SkIntToScalar(100), 0);
paint.setStyle(SkPaint::kFill_Style);
paint.setTextSize(50);
canvas->drawText("Hello", 5, 0, 50, paint);
}
private:
typedef skiagm::GM INHERITED;
};
DEF_GM(return new EmbossGM;)
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