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- /*
- * 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());
- // Non-invertible local matrix.
- fPaints.push_back().setColor(SK_ColorGREEN);
- fPaints.back().setShader(blueBmp.makeShader(&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;
- typedef skiagm::GM INHERITED;
- };
- /////////////////////////////////////////////////////////////////////////////////////
- DEF_GM(return new BadPaintGM;)
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