skia2/gm/rrectclipdrawpaint.cpp

54 lines
1.9 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkPath.h"
#include "SkGradientShader.h"
// Exercises code in GrDrawContext that attempts to replace a rrect clip/draw paint with draw rrect.
DEF_SIMPLE_GM(rrect_clip_draw_paint, canvas, 256, 256) {
SkRRect rrect = SkRRect::MakeRectXY(SkRect::MakeXYWH(10.f, 10.f, 236.f, 236.f), 30.f, 40.f);
SkPaint p;
p.setColor(SK_ColorRED);
SkMatrix zoomOut;
zoomOut.setScale(0.7f, 0.7f, 128.f, 128.f);
const SkRect layerRect = SkRect::MakeWH(256.f, 256.f);
canvas->saveLayer(layerRect, nullptr);
canvas->clipRRect(rrect, SkRegion::kIntersect_Op, true);
canvas->drawPaint(p);
canvas->restore();
canvas->concat(zoomOut);
p.setColor(SK_ColorBLUE);
canvas->saveLayer(layerRect, nullptr);
canvas->clipRRect(rrect, SkRegion::kIntersect_Op, false);
canvas->drawPaint(p);
canvas->restore();
static constexpr SkPoint kPts[] = {{0.f, 0.f}, {256.f, 256.f}};
static constexpr SkColor kColors1[] = {SK_ColorCYAN, SK_ColorGREEN};
p.setShader(SkGradientShader::MakeLinear(kPts, kColors1, nullptr, 2,
SkShader::kClamp_TileMode));
canvas->concat(zoomOut);
canvas->saveLayer(layerRect, nullptr);
canvas->clipRRect(rrect, SkRegion::kIntersect_Op, true);
canvas->drawPaint(p);
canvas->restore();
static constexpr SkColor kColors2[] = {SK_ColorMAGENTA, SK_ColorGRAY};
p.setShader(SkGradientShader::MakeRadial({128.f, 128.f}, 128.f, kColors2, nullptr, 2,
SkShader::kClamp_TileMode));
canvas->concat(zoomOut);
canvas->saveLayer(layerRect, nullptr);
canvas->clipRRect(rrect, SkRegion::kIntersect_Op, false);
canvas->drawPaint(p);
canvas->restore();
}