gm/bug6643.cpp

/*
 * Copyright 2017 Google LLC
 *
 * 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/SkGradient.h"

DEF_SIMPLE_GM(bug6643, canvas, 200, 200) {
    const SkColor4f colors[] = {
        SkColors::kTransparent, SkColors::kGreen, SkColors::kTransparent
    };

    SkPaint p;
    p.setAntiAlias(true);
    p.setShader(SkShaders::SweepGradient({100, 100},
                                         {{colors, {}, SkTileMode::kClamp},
                                          {SkGradient::Interpolation::InPremul::kYes}}));

    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);
}