/* * Copyright 2015 Google Inc. * * 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/SkBitmap.h" #include "include/core/SkCanvas.h" #include "include/core/SkColor.h" #include "include/core/SkMatrix.h" #include "include/core/SkPaint.h" #include "include/core/SkRect.h" #include "include/core/SkShader.h" #include "include/core/SkSize.h" #include "include/core/SkString.h" #include "include/private/SkTArray.h" /** This GM draws with invalid paints. It should draw nothing other than the background. */ class BadPaintGM : public skiagm::GM { public: BadPaintGM() {} protected: SkString onShortName() override { return SkString("badpaint"); } SkISize onISize() override { return SkISize::Make(100, 100); } void onOnceBeforeDraw() override { SkBitmap emptyBmp; SkBitmap blueBmp; blueBmp.allocN32Pixels(10, 10); blueBmp.eraseColor(SK_ColorBLUE); SkMatrix badMatrix; badMatrix.setAll(0, 0, 0, 0, 0, 0, 0, 0, 0); // Empty bitmap. fPaints.push_back().setColor(SK_ColorGREEN); fPaints.back().setShader(emptyBmp.makeShader(SkSamplingOptions())); // Non-invertible local matrix. fPaints.push_back().setColor(SK_ColorGREEN); fPaints.back().setShader(blueBmp.makeShader(SkSamplingOptions(), badMatrix)); } void onDraw(SkCanvas* canvas) override { SkRect rect = SkRect::MakeXYWH(10, 10, 80, 80); for (int i = 0; i < fPaints.count(); ++i) { canvas->drawRect(rect, fPaints[i]); } } private: SkTArray<SkPaint> fPaints; using INHERITED = skiagm::GM; }; ///////////////////////////////////////////////////////////////////////////////////// DEF_GM(return new BadPaintGM;)