58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
|
/*
|
||
|
|
* Copyright 2017 Google Inc.
|
||
|
|
*
|
||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
||
|
|
* found in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "SkBlurMaskFilter.h"
|
||
|
|
#include "SkBlurImageFilter.h"
|
||
|
|
#include "gm.h"
|
||
|
|
#include "sk_tool_utils.h"
|
||
|
|
|
||
|
|
|
||
|
|
DEF_SIMPLE_GM(blurimagevmask, canvas, 700, 1200) {
|
||
|
|
SkPaint paint;
|
||
|
|
paint.setAntiAlias(true);
|
||
|
|
paint.setColor(SK_ColorBLACK);
|
||
|
|
|
||
|
|
SkPaint textPaint;
|
||
|
|
textPaint.setAntiAlias(true);
|
||
|
|
sk_tool_utils::set_portable_typeface(&textPaint);
|
||
|
|
textPaint.setTextSize(SkIntToScalar(25));
|
||
|
|
|
||
|
|
const double sigmas[] = {3.0, 8.0, 16.0, 24.0, 32.0};
|
||
|
|
|
||
|
|
canvas->drawString("mask blur", 285, 50, textPaint);
|
||
|
|
canvas->drawString("image blur", 285 + 250, 50, textPaint);
|
||
|
|
|
||
|
|
|
||
|
|
SkRect r = {35, 100, 135, 200};
|
||
|
|
for (auto sigma:sigmas) {
|
||
|
|
|
||
|
|
canvas->drawRect(r, paint);
|
||
|
|
|
||
|
|
char out[100];
|
||
|
|
sprintf(out, "Sigma: %g", sigma);
|
||
|
|
canvas->drawString(out, r.left(), r.bottom() + 35, textPaint);
|
||
|
|
|
||
|
|
r.offset(250, 0);
|
||
|
|
|
||
|
|
paint.setMaskFilter(
|
||
|
|
SkBlurMaskFilter::Make(kNormal_SkBlurStyle, sigma,
|
||
|
|
SkBlurMaskFilter::kHighQuality_BlurFlag));
|
||
|
|
canvas->drawRect(r, paint);
|
||
|
|
paint.setMaskFilter(nullptr);
|
||
|
|
|
||
|
|
SkPaint imageBlurPaint;
|
||
|
|
r.offset(250, 0);
|
||
|
|
imageBlurPaint.setImageFilter(SkBlurImageFilter::Make(sigma, sigma, nullptr));
|
||
|
|
canvas->saveLayer(nullptr, &imageBlurPaint);
|
||
|
|
|
||
|
|
canvas->drawRect(r, paint);
|
||
|
|
canvas->restore();
|
||
|
|
r.offset(-500, 200);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|