blob: 87281b474c08814fa9319396ba6a76056f45f1be [file] [log] [blame]
/*
* 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/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkClipOp.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRRect.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkRegion.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypes.h"
#include "include/private/SkColorData.h"
#include "src/core/SkCanvasPriv.h"
#include "src/core/SkClipStack.h"
#include "tools/ToolUtils.h"
#include <utility>
constexpr static SkIRect kDeviceRect = {0, 0, 600, 600};
constexpr static SkIRect kCoverRect = {50, 50, 550, 550};
namespace skiagm {
////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Draws a clip that will exercise window rectangles if they are supported.
*/
class WindowRectanglesGM : public GM {
private:
DrawResult coverClipStack(const SkClipStack&, SkCanvas*, SkString* errorMsg);
SkISize getISize() override { return SkISize::Make(kDeviceRect.width(), kDeviceRect.height()); }
SkString getName() const override { return SkString("windowrectangles"); }
DrawResult onDraw(SkCanvas*, SkString* errorMsg) override;
};
DrawResult WindowRectanglesGM::coverClipStack(const SkClipStack& stack, SkCanvas* canvas,
SkString* errorMsg) {
SkPaint paint;
paint.setColor(0xff00aa80);
// Set up the canvas's clip to match our SkClipStack.
SkClipStack::Iter iter(stack, SkClipStack::Iter::kBottom_IterStart);
for (const SkClipStack::Element* element = iter.next(); element; element = iter.next()) {
SkASSERT(!element->isReplaceOp());
SkClipOp op = element->getOp();
bool isAA = element->isAA();
switch (element->getDeviceSpaceType()) {
case SkClipStack::Element::DeviceSpaceType::kShader:
canvas->clipShader(element->refShader(), op);
break;
case SkClipStack::Element::DeviceSpaceType::kPath:
canvas->clipPath(element->getDeviceSpacePath(), op, isAA);
break;
case SkClipStack::Element::DeviceSpaceType::kRRect:
canvas->clipRRect(element->getDeviceSpaceRRect(), op, isAA);
break;
case SkClipStack::Element::DeviceSpaceType::kRect:
canvas->clipRect(element->getDeviceSpaceRect(), op, isAA);
break;
case SkClipStack::Element::DeviceSpaceType::kEmpty:
canvas->clipRect({ 0, 0, 0, 0 }, SkClipOp::kIntersect, false);
break;
}
}
canvas->drawRect(SkRect::Make(kCoverRect), paint);
return DrawResult::kOk;
}
DrawResult WindowRectanglesGM::onDraw(SkCanvas* canvas, SkString* errorMsg) {
ToolUtils::draw_checkerboard(canvas, 0xffffffff, 0xffc6c3c6, 25);
SkClipStack stack;
stack.clipRect(SkRect::MakeXYWH(370.75, 80.25, 149, 100), SkMatrix::I(),
SkClipOp::kDifference, false);
stack.clipRect(SkRect::MakeXYWH(80.25, 420.75, 150, 100), SkMatrix::I(),
SkClipOp::kDifference, true);
stack.clipRRect(SkRRect::MakeRectXY(SkRect::MakeXYWH(200, 200, 200, 200), 60, 45),
SkMatrix::I(), SkClipOp::kDifference, true);
SkRRect nine;
nine.setNinePatch(SkRect::MakeXYWH(550 - 30.25 - 100, 370.75, 100, 150), 12, 35, 23, 20);
stack.clipRRect(nine, SkMatrix::I(), SkClipOp::kDifference, true);
SkRRect complx;
SkVector complxRadii[4] = {{6, 4}, {8, 12}, {16, 24}, {48, 32}};
complx.setRectRadii(SkRect::MakeXYWH(80.25, 80.75, 100, 149), complxRadii);
stack.clipRRect(complx, SkMatrix::I(), SkClipOp::kDifference, false);
return this->coverClipStack(stack, canvas, errorMsg);
}
DEF_GM( return new WindowRectanglesGM(); )
} // namespace skiagm