blob: 285055507762016826c2882bef9bbf9ac1e4d4c9 [file] [log] [blame]
/*
* 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/base/SkTArray.h"
using namespace skia_private;
/** 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.size(); ++i) {
canvas->drawRect(rect, fPaints[i]);
}
}
private:
TArray<SkPaint> fPaints;
using INHERITED = skiagm::GM;
};
/////////////////////////////////////////////////////////////////////////////////////
DEF_GM(return new BadPaintGM;)