| /* |
| * Copyright 2019 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm/gm.h" |
| #include "include/core/SkBlurTypes.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkMaskFilter.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkRect.h" |
| |
| // Illustrates a bug where the outer portion of the GPU rect blur was too dark with a small sigma. |
| DEF_SIMPLE_GM(skbug_9319, canvas, 256, 512) { |
| SkPaint p; |
| p.setAntiAlias(true); |
| p.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 0.5f)); |
| |
| const auto r = SkRect::MakeXYWH(10, 10, 100, 100); |
| |
| { |
| SkAutoCanvasRestore acr(canvas, true); |
| // Clip out interior so that the outer portion stands out. |
| canvas->clipRect(r, SkClipOp::kDifference); |
| canvas->drawRect(r, p); |
| } |
| |
| canvas->translate(0, 120); |
| |
| |
| // RRect for comparison. |
| const auto rr = SkRRect::MakeRectXY(r, .1f, .1f); |
| { |
| SkAutoCanvasRestore acr(canvas, true); |
| canvas->clipRRect(rr, SkClipOp::kDifference); |
| canvas->drawRRect(rr, p); |
| } |
| } |