| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm.h" |
| #include "SkAvoidXfermode.h" |
| |
| class AvoidXfermode2GM : public skiagm::GM { |
| public: |
| AvoidXfermode2GM() { } |
| |
| protected: |
| SkString onShortName() override { |
| return SkString("avoidxfermode2"); |
| } |
| |
| SkISize onISize() override { return SkISize::Make(128, 128); } |
| |
| void onDraw(SkCanvas* canvas) override { |
| canvas->drawARGB(255, 0, 0, 0); |
| |
| SkRect r = SkRect::MakeXYWH(32, 32, 64, 64); |
| |
| SkPaint p0; |
| p0.setColor(SK_ColorGREEN); |
| p0.setAntiAlias(false); |
| |
| canvas->drawRect(r, p0); |
| |
| r = SkRect::MakeIWH(64, 64); |
| |
| // UL corner: replace the green with a tight tolerance |
| SkPaint p1; |
| p1.setColor(SK_ColorRED); |
| p1.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, |
| 55, |
| SkAvoidXfermode::kTargetColor_Mode))->unref(); |
| |
| canvas->drawRect(r, p1); |
| |
| r.offsetTo(64, 0.0f); |
| |
| // UR corner: avoid the green with a tight tolerance |
| SkPaint p2; |
| p2.setColor(SK_ColorRED); |
| p2.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, |
| 200, |
| SkAvoidXfermode::kAvoidColor_Mode))->unref(); |
| |
| canvas->drawRect(r, p2); |
| |
| r.offsetTo(0.0f, 64); |
| |
| // LL corner: replace the green with a loose tolerance |
| SkPaint p3; |
| p3.setColor(SK_ColorRED); |
| p3.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, |
| 200, |
| SkAvoidXfermode::kTargetColor_Mode))->unref(); |
| |
| canvas->drawRect(r, p3); |
| |
| r.offsetTo(64, 64); |
| |
| // LR corner: avoid the green with a loose tolerance |
| SkPaint p4; |
| p4.setColor(SK_ColorRED); |
| p4.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, |
| 55, |
| SkAvoidXfermode::kAvoidColor_Mode))->unref(); |
| |
| canvas->drawRect(r, p4); |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM(return new AvoidXfermode2GM;) |