a48ae6ec2f
Change-Id: I47294ba47880237541dee8193df55e31b3487f24 Reviewed-on: https://skia-review.googlesource.com/22061 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Herb Derby <herb@google.com>
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBlurMaskFilter.h"
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#include "SkBlurImageFilter.h"
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#include "gm.h"
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#include "sk_tool_utils.h"
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DEF_SIMPLE_GM(blurimagevmask, canvas, 700, 1200) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorBLACK);
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SkPaint textPaint;
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textPaint.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&textPaint);
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textPaint.setTextSize(SkIntToScalar(25));
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const double sigmas[] = {3.0, 8.0, 16.0, 24.0, 32.0};
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canvas->drawString("mask blur", 285, 50, textPaint);
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canvas->drawString("image blur", 285 + 250, 50, textPaint);
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SkRect r = {35, 100, 135, 200};
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for (auto sigma:sigmas) {
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canvas->drawRect(r, paint);
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char out[100];
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sprintf(out, "Sigma: %g", sigma);
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canvas->drawString(out, r.left(), r.bottom() + 35, textPaint);
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r.offset(250, 0);
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paint.setMaskFilter(
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SkBlurMaskFilter::Make(kNormal_SkBlurStyle, sigma,
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SkBlurMaskFilter::kHighQuality_BlurFlag));
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canvas->drawRect(r, paint);
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paint.setMaskFilter(nullptr);
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SkPaint imageBlurPaint;
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r.offset(250, 0);
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imageBlurPaint.setImageFilter(SkBlurImageFilter::Make(sigma, sigma, nullptr));
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canvas->saveLayer(nullptr, &imageBlurPaint);
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canvas->drawRect(r, paint);
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canvas->restore();
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r.offset(-500, 200);
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}
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}
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