diff options
| -rw-r--r-- | gm/blurimagevmask.cpp | 57 | ||||
| -rw-r--r-- | gn/gm.gni | 1 |
2 files changed, 58 insertions, 0 deletions
diff --git a/gm/blurimagevmask.cpp b/gm/blurimagevmask.cpp new file mode 100644 index 0000000000..15f8d1e1ca --- /dev/null +++ b/gm/blurimagevmask.cpp @@ -0,0 +1,57 @@ +/* + * 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); + } + +} @@ -43,6 +43,7 @@ gm_sources = [ "$_gm/blurcircles.cpp", "$_gm/blurcircles2.cpp", "$_gm/blurignorexform.cpp", + "$_gm/blurimagevmask.cpp", "$_gm/blurquickreject.cpp", "$_gm/blurrect.cpp", "$_gm/blurredclippedcircle.cpp", |