зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
4.2 KiB
C++
129 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef __SVGGEOMETRYFRAME_H__
|
|
#define __SVGGEOMETRYFRAME_H__
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "gfxMatrix.h"
|
|
#include "gfxRect.h"
|
|
#include "nsFrame.h"
|
|
#include "nsSVGDisplayableFrame.h"
|
|
#include "nsLiteralString.h"
|
|
#include "nsQueryFrame.h"
|
|
#include "nsSVGUtils.h"
|
|
|
|
namespace mozilla {
|
|
class SVGGeometryFrame;
|
|
class SVGMarkerObserver;
|
|
namespace gfx {
|
|
class DrawTarget;
|
|
} // namespace gfx
|
|
} // namespace mozilla
|
|
|
|
class gfxContext;
|
|
class nsDisplaySVGGeometry;
|
|
class nsAtom;
|
|
class nsIFrame;
|
|
class nsIPresShell;
|
|
class nsSVGMarkerFrame;
|
|
|
|
struct nsRect;
|
|
|
|
nsIFrame* NS_NewSVGGeometryFrame(nsIPresShell* aPresShell,
|
|
mozilla::ComputedStyle* aStyle);
|
|
|
|
namespace mozilla {
|
|
|
|
class SVGGeometryFrame : public nsFrame, public nsSVGDisplayableFrame {
|
|
typedef mozilla::gfx::DrawTarget DrawTarget;
|
|
|
|
friend nsIFrame* ::NS_NewSVGGeometryFrame(nsIPresShell* aPresShell,
|
|
ComputedStyle* aStyle);
|
|
|
|
friend class ::nsDisplaySVGGeometry;
|
|
|
|
protected:
|
|
SVGGeometryFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
|
|
nsIFrame::ClassID aID = kClassID)
|
|
: nsFrame(aStyle, aPresContext, aID) {
|
|
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED);
|
|
}
|
|
|
|
public:
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS(SVGGeometryFrame)
|
|
|
|
// nsIFrame interface:
|
|
virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) override;
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override {
|
|
if (aFlags & eSupportsContainLayoutAndPaint) {
|
|
return false;
|
|
}
|
|
|
|
return nsFrame::IsFrameOfType(aFlags &
|
|
~(nsIFrame::eSVG | nsIFrame::eSVGGeometry));
|
|
}
|
|
|
|
virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
|
|
int32_t aModType) override;
|
|
|
|
virtual void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
|
|
|
|
virtual bool IsSVGTransformed(
|
|
Matrix* aOwnTransforms = nullptr,
|
|
Matrix* aFromParentTransforms = nullptr) const override;
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override {
|
|
return MakeFrameName(NS_LITERAL_STRING("SVGGeometry"), aResult);
|
|
}
|
|
#endif
|
|
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists) override;
|
|
|
|
// SVGGeometryFrame methods
|
|
gfxMatrix GetCanvasTM();
|
|
|
|
protected:
|
|
// nsSVGDisplayableFrame interface:
|
|
virtual void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
|
|
imgDrawingParams& aImgParams,
|
|
const nsIntRect* aDirtyRect = nullptr) override;
|
|
virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
|
|
virtual void ReflowSVG() override;
|
|
virtual void NotifySVGChanged(uint32_t aFlags) override;
|
|
virtual SVGBBox GetBBoxContribution(const Matrix& aToBBoxUserspace,
|
|
uint32_t aFlags) override;
|
|
virtual bool IsDisplayContainer() override { return false; }
|
|
|
|
/**
|
|
* This function returns a set of bit flags indicating which parts of the
|
|
* element (fill, stroke, bounds) should intercept pointer events. It takes
|
|
* into account the type of element and the value of the 'pointer-events'
|
|
* property on the element.
|
|
*/
|
|
virtual uint16_t GetHitTestFlags();
|
|
|
|
private:
|
|
enum { eRenderFill = 1, eRenderStroke = 2 };
|
|
void Render(gfxContext* aContext, uint32_t aRenderComponents,
|
|
const gfxMatrix& aTransform, imgDrawingParams& aImgParams);
|
|
|
|
/**
|
|
* @param aMatrix The transform that must be multiplied onto aContext to
|
|
* establish this frame's SVG user space.
|
|
*/
|
|
void PaintMarkers(gfxContext& aContext, const gfxMatrix& aMatrix,
|
|
imgDrawingParams& aImgParams);
|
|
};
|
|
} // namespace mozilla
|
|
|
|
#endif // __SVGGEOMETRYFRAME_H__
|