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/*
* Copyright 2012 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 "SkMagnifierImageFilter.h"
#include "SkRandom.h"
#define WIDTH 500
#define HEIGHT 500
namespace skiagm {
class ImageMagnifierGM : public GM {
public:
ImageMagnifierGM() {
this->setBGColor(0xFF000000);
}
protected:
uint32_t onGetFlags() const SK_OVERRIDE {
// Skip tiled drawing until https://code.google.com/p/skia/issues/detail?id=781 is fixed.
return this->INHERITED::onGetFlags() | GM::kSkipTiled_Flag;
}
SkString onShortName() SK_OVERRIDE {
return SkString("imagemagnifier");
}
SkISize onISize() SK_OVERRIDE {
return SkISize::Make(WIDTH, HEIGHT);
}
void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint filterPaint;
filterPaint.setImageFilter(
SkMagnifierImageFilter::Create(
SkRect::MakeXYWH(SkIntToScalar(100), SkIntToScalar(100),
SkIntToScalar(WIDTH / 2),
SkIntToScalar(HEIGHT / 2)),
100))->unref();
canvas->saveLayer(NULL, &filterPaint);
const char* str = "The quick brown fox jumped over the lazy dog.";
SkRandom rand;
for (int i = 0; i < 25; ++i) {
int x = rand.nextULessThan(WIDTH);
int y = rand.nextULessThan(HEIGHT);
SkPaint paint;
sk_tool_utils::set_portable_typeface(&paint);
paint.setColor(rand.nextBits(24) | 0xFF000000);
paint.setTextSize(rand.nextRangeScalar(0, 300));
paint.setAntiAlias(true);
canvas->drawText(str, strlen(str), SkIntToScalar(x),
SkIntToScalar(y), paint);
}
canvas->restore();
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new ImageMagnifierGM; }
static GMRegistry reg(MyFactory);
}
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