bug6643.cpp

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/*
 * Copyright 2017 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/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPicture.h"
#include "include/core/SkPictureRecorder.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkShader.h"
#include "include/core/SkTileMode.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkGradientShader.h"
 
DEF_SIMPLE_GM(bug6643, canvas, 200, 200) {
    SkColor colors[] = { SK_ColorTRANSPARENT, SK_ColorGREEN, SK_ColorTRANSPARENT };
 
    SkPaint p;
    p.setAntiAlias(true);
    p.setShader(SkGradientShader::MakeSweep(100, 100, colors, nullptr, std::size(colors),
                                            SkGradientShader::kInterpolateColorsInPremul_Flag,
                                            nullptr));
 
    SkPictureRecorder recorder;
    recorder.beginRecording(200, 200)->drawPaint(p);
 
    p.setShader(recorder.finishRecordingAsPicture()->makeShader(
                                            SkTileMode::kRepeat, SkTileMode::kRepeat,
                                            SkFilterMode::kNearest, nullptr, nullptr));
    canvas->drawColor(SK_ColorWHITE);
    canvas->drawPaint(p);
}