107 lines
4.1 KiB
C++
107 lines
4.1 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkClipOp.h"
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#include "include/core/SkColorSpace.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPoint.h"
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#include "include/core/SkRRect.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkRegion.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTypes.h"
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#include "include/private/SkColorData.h"
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#include "src/core/SkCanvasPriv.h"
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#include "src/core/SkClipStack.h"
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#include "tools/ToolUtils.h"
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#include <utility>
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constexpr static SkIRect kDeviceRect = {0, 0, 600, 600};
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constexpr static SkIRect kCoverRect = {50, 50, 550, 550};
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namespace skiagm {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Draws a clip that will exercise window rectangles if they are supported.
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*/
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class WindowRectanglesGM : public GM {
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private:
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DrawResult coverClipStack(const SkClipStack&, SkCanvas*, SkString* errorMsg);
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SkISize onISize() override { return SkISize::Make(kDeviceRect.width(), kDeviceRect.height()); }
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SkString onShortName() override { return SkString("windowrectangles"); }
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DrawResult onDraw(SkCanvas*, SkString* errorMsg) override;
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};
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DrawResult WindowRectanglesGM::coverClipStack(const SkClipStack& stack, SkCanvas* canvas,
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SkString* errorMsg) {
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SkPaint paint;
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paint.setColor(0xff00aa80);
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// Set up the canvas's clip to match our SkClipStack.
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SkClipStack::Iter iter(stack, SkClipStack::Iter::kBottom_IterStart);
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for (const SkClipStack::Element* element = iter.next(); element; element = iter.next()) {
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SkASSERT(!element->isReplaceOp());
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SkClipOp op = element->getOp();
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bool isAA = element->isAA();
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switch (element->getDeviceSpaceType()) {
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case SkClipStack::Element::DeviceSpaceType::kShader:
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canvas->clipShader(element->refShader(), op);
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break;
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case SkClipStack::Element::DeviceSpaceType::kPath:
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canvas->clipPath(element->getDeviceSpacePath(), op, isAA);
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break;
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case SkClipStack::Element::DeviceSpaceType::kRRect:
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canvas->clipRRect(element->getDeviceSpaceRRect(), op, isAA);
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break;
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case SkClipStack::Element::DeviceSpaceType::kRect:
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canvas->clipRect(element->getDeviceSpaceRect(), op, isAA);
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break;
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case SkClipStack::Element::DeviceSpaceType::kEmpty:
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canvas->clipRect({ 0, 0, 0, 0 }, SkClipOp::kIntersect, false);
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break;
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}
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}
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canvas->drawRect(SkRect::Make(kCoverRect), paint);
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return DrawResult::kOk;
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}
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DrawResult WindowRectanglesGM::onDraw(SkCanvas* canvas, SkString* errorMsg) {
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ToolUtils::draw_checkerboard(canvas, 0xffffffff, 0xffc6c3c6, 25);
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SkClipStack stack;
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stack.clipRect(SkRect::MakeXYWH(370.75, 80.25, 149, 100), SkMatrix::I(),
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SkClipOp::kDifference, false);
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stack.clipRect(SkRect::MakeXYWH(80.25, 420.75, 150, 100), SkMatrix::I(),
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SkClipOp::kDifference, true);
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stack.clipRRect(SkRRect::MakeRectXY(SkRect::MakeXYWH(200, 200, 200, 200), 60, 45),
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SkMatrix::I(), SkClipOp::kDifference, true);
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SkRRect nine;
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nine.setNinePatch(SkRect::MakeXYWH(550 - 30.25 - 100, 370.75, 100, 150), 12, 35, 23, 20);
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stack.clipRRect(nine, SkMatrix::I(), SkClipOp::kDifference, true);
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SkRRect complx;
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SkVector complxRadii[4] = {{6, 4}, {8, 12}, {16, 24}, {48, 32}};
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complx.setRectRadii(SkRect::MakeXYWH(80.25, 80.75, 100, 149), complxRadii);
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stack.clipRRect(complx, SkMatrix::I(), SkClipOp::kDifference, false);
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return this->coverClipStack(stack, canvas, errorMsg);
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}
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DEF_GM( return new WindowRectanglesGM(); )
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} // namespace skiagm
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