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/*
* Copyright 2011 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 "SkBlurMaskFilter.h"
namespace skiagm {
class BlursGM : public GM {
public:
BlursGM() {
this->setBGColor(0xFFDDDDDD);
}
protected:
#ifdef SK_SCALAR_IS_FIXED
virtual uint32_t onGetFlags() const SK_OVERRIDE {
// SkCanvas::drawCircle, used by this test, performs a quick reject.
// The large size given to the device used by SkGPipeCanvas means that
// the device clip will not be set properly and circles will be
// rejected when in FIXED.
return this->INHERITED::onGetFlags() | GM::kSkipPipe_Flag;
}
#endif
virtual SkString onShortName() {
return SkString("blurs");
}
virtual SkISize onISize() {
return make_isize(700, 500);
}
virtual void onDraw(SkCanvas* canvas) {
SkBlurMaskFilter::BlurStyle NONE = SkBlurMaskFilter::BlurStyle(-999);
static const struct {
SkBlurMaskFilter::BlurStyle fStyle;
int fCx, fCy;
} gRecs[] = {
{ NONE, 0, 0 },
{ SkBlurMaskFilter::kInner_BlurStyle, -1, 0 },
{ SkBlurMaskFilter::kNormal_BlurStyle, 0, 1 },
{ SkBlurMaskFilter::kSolid_BlurStyle, 0, -1 },
{ SkBlurMaskFilter::kOuter_BlurStyle, 1, 0 },
};
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(SkIntToScalar(25));
canvas->translate(SkIntToScalar(-40), SkIntToScalar(0));
SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag;
for (int j = 0; j < 2; j++) {
canvas->save();
paint.setColor(SK_ColorBLUE);
for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
if (gRecs[i].fStyle != NONE) {
SkMaskFilter* mf = SkBlurMaskFilter::Create(gRecs[i].fStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(20)),
flags);
paint.setMaskFilter(mf)->unref();
} else {
paint.setMaskFilter(NULL);
}
canvas->drawCircle(SkIntToScalar(200 + gRecs[i].fCx*100),
SkIntToScalar(200 + gRecs[i].fCy*100),
SkIntToScalar(50),
paint);
}
// draw text
{
SkMaskFilter* mf = SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)),
flags);
paint.setMaskFilter(mf)->unref();
SkScalar x = SkIntToScalar(70);
SkScalar y = SkIntToScalar(400);
paint.setColor(SK_ColorBLACK);
canvas->drawText("Hamburgefons Style", 18, x, y, paint);
canvas->drawText("Hamburgefons Style", 18,
x, y + SkIntToScalar(50), paint);
paint.setMaskFilter(NULL);
paint.setColor(SK_ColorWHITE);
x -= SkIntToScalar(2);
y -= SkIntToScalar(2);
canvas->drawText("Hamburgefons Style", 18, x, y, paint);
}
canvas->restore();
flags = SkBlurMaskFilter::kHighQuality_BlurFlag;
canvas->translate(SkIntToScalar(350), SkIntToScalar(0));
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new BlursGM; }
static GMRegistry reg(MyFactory);
}
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