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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/svg/SVGPaintServerFrame.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/svg/SVGPaintServerFrame.h')
-rw-r--r-- | layout/svg/SVGPaintServerFrame.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/layout/svg/SVGPaintServerFrame.h b/layout/svg/SVGPaintServerFrame.h new file mode 100644 index 0000000000..cebed16441 --- /dev/null +++ b/layout/svg/SVGPaintServerFrame.h @@ -0,0 +1,82 @@ +/* -*- 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 LAYOUT_SVG_SVGPAINTSERVERFRAME_H_ +#define LAYOUT_SVG_SVGPAINTSERVERFRAME_H_ + +#include "gfxRect.h" +#include "mozilla/Attributes.h" +#include "mozilla/SVGContainerFrame.h" +#include "nsCOMPtr.h" +#include "nsIFrame.h" +#include "nsIFrame.h" +#include "nsQueryFrame.h" + +class gfxContext; +class gfxPattern; + +namespace mozilla { +namespace gfx { +class DrawTarget; +} // namespace gfx + +/** + * 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) : mFrame(aFrame) { + mFrame->AddStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER); + } + ~AutoSetRestorePaintServerState() { + mFrame->RemoveStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER); + } + + private: + nsIFrame* mFrame; +}; + +class SVGPaintServerFrame : public SVGContainerFrame { + protected: + using DrawTarget = gfx::DrawTarget; + + SVGPaintServerFrame(ComputedStyle* aStyle, nsPresContext* aPresContext, + ClassID aID) + : SVGContainerFrame(aStyle, aPresContext, aID) { + AddStateBits(NS_FRAME_IS_NONDISPLAY); + } + + public: + using imgDrawingParams = image::imgDrawingParams; + + NS_DECL_ABSTRACT_FRAME(SVGPaintServerFrame) + NS_DECL_QUERYFRAME + NS_DECL_QUERYFRAME_TARGET(SVGPaintServerFrame) + + /** + * 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, StyleSVGPaint nsStyleSVG::*aFillOrStroke, + float aOpacity, imgDrawingParams& aImgParams, + const gfxRect* aOverrideBounds = nullptr) = 0; + + // nsIFrame methods: + void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsDisplayListSet& aLists) override {} +}; + +} // namespace mozilla + +#endif // LAYOUT_SVG_SVGPAINTSERVERFRAME_H_ |