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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __NS_SVGPAINTSERVERFRAME_H__
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#define __NS_SVGPAINTSERVERFRAME_H__
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#include "gfxRect.h"
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#include "mozilla/Attributes.h"
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#include "nsCOMPtr.h"
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#include "nsFrame.h"
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#include "nsIFrame.h"
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#include "nsQueryFrame.h"
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#include "nsSVGContainerFrame.h"
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#include "nsSVGUtils.h"
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namespace mozilla {
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namespace gfx {
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class DrawTarget;
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} // namespace gfx
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} // namespace mozilla
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class gfxContext;
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class gfxPattern;
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class nsStyleContext;
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/**
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* RAII class used to temporarily set and remove the
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* NS_FRAME_DRAWING_AS_PAINTSERVER frame state bit while a frame is being
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* drawn as a paint server.
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*/
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class MOZ_RAII AutoSetRestorePaintServerState {
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public:
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explicit AutoSetRestorePaintServerState(
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nsIFrame* aFrame MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
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: mFrame(aFrame) {
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MOZ_GUARD_OBJECT_NOTIFIER_INIT;
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mFrame->AddStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
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}
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~AutoSetRestorePaintServerState() {
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mFrame->RemoveStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
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}
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private:
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nsIFrame* mFrame;
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MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
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};
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class nsSVGPaintServerFrame : public nsSVGContainerFrame {
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protected:
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typedef mozilla::gfx::DrawTarget DrawTarget;
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nsSVGPaintServerFrame(nsStyleContext* aContext, ClassID aID)
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: nsSVGContainerFrame(aContext, aID) {
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AddStateBits(NS_FRAME_IS_NONDISPLAY);
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}
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public:
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typedef mozilla::image::imgDrawingParams imgDrawingParams;
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NS_DECL_ABSTRACT_FRAME(nsSVGPaintServerFrame)
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/**
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* Constructs a gfxPattern of the paint server rendering.
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*
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* @param aContextMatrix The transform matrix that is currently applied to
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* the gfxContext that is being drawn to. This is needed by SVG patterns so
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* that surfaces of the correct size can be created. (SVG gradients are
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* vector based, so it's not used there.)
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*/
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virtual already_AddRefed<gfxPattern> GetPaintServerPattern(
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nsIFrame* aSource, const DrawTarget* aDrawTarget,
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const gfxMatrix& aContextMatrix,
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nsStyleSVGPaint nsStyleSVG::*aFillOrStroke, float aOpacity,
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imgDrawingParams& aImgParams,
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const gfxRect* aOverrideBounds = nullptr) = 0;
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// nsIFrame methods:
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override {}
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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return nsSVGContainerFrame::IsFrameOfType(aFlags &
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~nsIFrame::eSVGPaintServer);
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}
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};
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#endif // __NS_SVGPAINTSERVERFRAME_H__
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