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b4812f4d4b
Depends on D163775 Differential Revision: https://phabricator.services.mozilla.com/D163776
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/* -*- 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 LAYOUT_SVG_SVGPAINTSERVERFRAME_H_
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#define LAYOUT_SVG_SVGPAINTSERVERFRAME_H_
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#include "gfxRect.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/SVGContainerFrame.h"
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#include "nsCOMPtr.h"
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#include "nsIFrame.h"
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#include "nsIFrame.h"
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#include "nsQueryFrame.h"
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class gfxContext;
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class gfxPattern;
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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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/**
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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(nsIFrame* aFrame) : mFrame(aFrame) {
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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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};
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class SVGPaintServerFrame : public SVGContainerFrame {
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protected:
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using DrawTarget = gfx::DrawTarget;
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SVGPaintServerFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
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ClassID aID)
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: SVGContainerFrame(aStyle, aPresContext, aID) {
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AddStateBits(NS_FRAME_IS_NONDISPLAY);
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}
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public:
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using imgDrawingParams = image::imgDrawingParams;
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NS_DECL_ABSTRACT_FRAME(SVGPaintServerFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_QUERYFRAME_TARGET(SVGPaintServerFrame)
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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, StyleSVGPaint nsStyleSVG::*aFillOrStroke,
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float aOpacity, imgDrawingParams& aImgParams,
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const gfxRect* aOverrideBounds = nullptr) = 0;
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// nsIFrame methods:
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void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override {}
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};
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} // namespace mozilla
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#endif // LAYOUT_SVG_SVGPAINTSERVERFRAME_H_
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