reed | cc0e311 | 2014-09-10 10:20:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | #include "SkBlurMaskFilter.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkColorFilter.h" |
| 12 | |
| 13 | #include "SkColorFilter.h" |
| 14 | static SkBitmap make_bm() { |
| 15 | SkBitmap bm; |
| 16 | bm.allocN32Pixels(100, 100); |
| 17 | |
| 18 | SkCanvas canvas(bm); |
| 19 | canvas.clear(0); |
| 20 | SkPaint paint; |
| 21 | paint.setAntiAlias(true); |
| 22 | canvas.drawCircle(50, 50, 50, paint); |
| 23 | return bm; |
| 24 | } |
| 25 | |
| 26 | class EmbossGM : public skiagm::GM { |
| 27 | public: |
| 28 | EmbossGM() { |
| 29 | } |
| 30 | |
| 31 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 32 | SkString onShortName() override { |
reed | cc0e311 | 2014-09-10 10:20:24 -0700 | [diff] [blame] | 33 | return SkString("emboss"); |
| 34 | } |
| 35 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 36 | SkISize onISize() override { |
reed | cc0e311 | 2014-09-10 10:20:24 -0700 | [diff] [blame] | 37 | return SkISize::Make(600, 120); |
| 38 | } |
| 39 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 40 | void onDraw(SkCanvas* canvas) override { |
reed | cc0e311 | 2014-09-10 10:20:24 -0700 | [diff] [blame] | 41 | SkPaint paint; |
| 42 | SkBitmap bm = make_bm(); |
| 43 | canvas->drawBitmap(bm, 10, 10, &paint); |
| 44 | |
| 45 | const SkScalar dir[] = { 1, 1, 1 }; |
| 46 | paint.setMaskFilter(SkBlurMaskFilter::CreateEmboss(3, dir, 0.3f, 0.1f))->unref(); |
| 47 | canvas->translate(bm.width() + SkIntToScalar(10), 0); |
| 48 | canvas->drawBitmap(bm, 10, 10, &paint); |
| 49 | |
| 50 | // this combination of emboss+colorfilter used to crash -- so we exercise it to |
| 51 | // confirm that we have a fix. |
| 52 | paint.setColorFilter(SkColorFilter::CreateModeFilter(0xFFFF0000, SkXfermode::kSrcATop_Mode))->unref(); |
| 53 | canvas->translate(bm.width() + SkIntToScalar(10), 0); |
| 54 | canvas->drawBitmap(bm, 10, 10, &paint); |
| 55 | } |
| 56 | |
| 57 | private: |
| 58 | typedef skiagm::GM INHERITED; |
| 59 | }; |
| 60 | |
| 61 | DEF_GM( return SkNEW(EmbossGM); ) |