зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.8 KiB
C++
91 строка
2.8 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 __NS_SVGPAINTSERVERFRAME_H__
|
|
#define __NS_SVGPAINTSERVERFRAME_H__
|
|
|
|
#include "gfxRect.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsFrame.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsQueryFrame.h"
|
|
#include "nsSVGContainerFrame.h"
|
|
#include "nsSVGUtils.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
class DrawTarget;
|
|
} // namespace gfx
|
|
} // namespace mozilla
|
|
|
|
class gfxContext;
|
|
class gfxPattern;
|
|
|
|
/**
|
|
* RAII class used to temporarily set and remove the
|
|
* NS_FRAME_DRAWING_AS_PAINTSERVER frame state bit while a frame is being
|
|
* drawn as a paint server.
|
|
*/
|
|
class MOZ_RAII AutoSetRestorePaintServerState {
|
|
public:
|
|
explicit AutoSetRestorePaintServerState(
|
|
nsIFrame* aFrame MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
|
|
: mFrame(aFrame) {
|
|
MOZ_GUARD_OBJECT_NOTIFIER_INIT;
|
|
mFrame->AddStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
|
|
}
|
|
~AutoSetRestorePaintServerState() {
|
|
mFrame->RemoveStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
|
|
}
|
|
|
|
private:
|
|
nsIFrame* mFrame;
|
|
MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
|
|
};
|
|
|
|
class nsSVGPaintServerFrame : public nsSVGContainerFrame {
|
|
protected:
|
|
typedef mozilla::gfx::DrawTarget DrawTarget;
|
|
|
|
nsSVGPaintServerFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
|
|
ClassID aID)
|
|
: nsSVGContainerFrame(aStyle, aPresContext, aID) {
|
|
AddStateBits(NS_FRAME_IS_NONDISPLAY);
|
|
}
|
|
|
|
public:
|
|
typedef mozilla::image::imgDrawingParams imgDrawingParams;
|
|
|
|
NS_DECL_ABSTRACT_FRAME(nsSVGPaintServerFrame)
|
|
|
|
/**
|
|
* Constructs a gfxPattern of the paint server rendering.
|
|
*
|
|
* @param aContextMatrix The transform matrix that is currently applied to
|
|
* the gfxContext that is being drawn to. This is needed by SVG patterns so
|
|
* that surfaces of the correct size can be created. (SVG gradients are
|
|
* vector based, so it's not used there.)
|
|
*/
|
|
virtual already_AddRefed<gfxPattern> GetPaintServerPattern(
|
|
nsIFrame* aSource, const DrawTarget* aDrawTarget,
|
|
const gfxMatrix& aContextMatrix,
|
|
nsStyleSVGPaint nsStyleSVG::*aFillOrStroke, float aOpacity,
|
|
imgDrawingParams& aImgParams,
|
|
const gfxRect* aOverrideBounds = nullptr) = 0;
|
|
|
|
// nsIFrame methods:
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists) override {}
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override {
|
|
return nsSVGContainerFrame::IsFrameOfType(aFlags &
|
|
~nsIFrame::eSVGPaintServer);
|
|
}
|
|
};
|
|
|
|
#endif // __NS_SVGPAINTSERVERFRAME_H__
|