mirror of
https://github.com/RGBCube/serenity
synced 2025-07-24 22:07:34 +00:00
LibWeb: Create LayoutNodes for each SVG element
This brings the SVG API closer to the rest of LibWeb
This commit is contained in:
parent
f2055bb509
commit
455ce0b9c3
16 changed files with 402 additions and 122 deletions
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@ -148,6 +148,9 @@ set(SOURCES
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Layout/LayoutPosition.cpp
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Layout/LayoutPosition.cpp
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Layout/LayoutReplaced.cpp
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Layout/LayoutReplaced.cpp
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Layout/LayoutSVG.cpp
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Layout/LayoutSVG.cpp
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Layout/LayoutSVGGraphics.cpp
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Layout/LayoutSVGPath.cpp
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Layout/LayoutSVGSVG.cpp
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Layout/LayoutTable.cpp
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Layout/LayoutTable.cpp
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Layout/LayoutTableCell.cpp
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Layout/LayoutTableCell.cpp
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Layout/LayoutTableRow.cpp
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Layout/LayoutTableRow.cpp
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@ -31,37 +31,25 @@
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namespace Web {
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namespace Web {
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LayoutSVG::LayoutSVG(DOM::Document& document, SVG::SVGSVGElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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LayoutSVG::LayoutSVG(DOM::Document& document, SVG::SVGElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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: LayoutReplaced(document, element, move(style))
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: LayoutReplaced(document, element, move(style))
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{
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{
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}
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}
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void LayoutSVG::layout(LayoutMode layout_mode)
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void LayoutSVG::before_children_paint(PaintContext& context, LayoutNode::PaintPhase phase)
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{
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{
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set_has_intrinsic_width(true);
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LayoutNode::before_children_paint(context, phase);
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set_has_intrinsic_height(true);
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if (phase != LayoutNode::PaintPhase::Foreground)
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set_intrinsic_width(node().width());
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set_intrinsic_height(node().height());
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LayoutReplaced::layout(layout_mode);
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}
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void LayoutSVG::paint(PaintContext& context, PaintPhase phase)
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{
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if (!is_visible())
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return;
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return;
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context.svg_context().save();
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}
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LayoutReplaced::paint(context, phase);
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void LayoutSVG::after_children_paint(PaintContext& context, LayoutNode::PaintPhase phase)
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{
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if (phase == PaintPhase::Foreground) {
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LayoutNode::after_children_paint(context, phase);
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if (!context.viewport_rect().intersects(enclosing_int_rect(absolute_rect())))
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if (phase != LayoutNode::PaintPhase::Foreground)
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return;
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return;
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context.svg_context().restore();
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if (!node().bitmap())
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node().create_bitmap_as_top_level_svg_element();
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ASSERT(node().bitmap());
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context.painter().draw_scaled_bitmap(enclosing_int_rect(absolute_rect()), *node().bitmap(), node().bitmap()->rect());
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}
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}
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}
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}
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}
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@ -27,18 +27,18 @@
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#pragma once
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#pragma once
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#include <LibWeb/Layout/LayoutReplaced.h>
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#include <LibWeb/Layout/LayoutReplaced.h>
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#include <LibWeb/SVG/SVGSVGElement.h>
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#include <LibWeb/SVG/SVGElement.h>
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#include <LibWeb/SVG/SVGGraphicsElement.h>
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namespace Web {
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namespace Web {
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class LayoutSVG : public LayoutReplaced {
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class LayoutSVG : public LayoutReplaced {
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public:
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public:
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LayoutSVG(DOM::Document&, SVG::SVGSVGElement&, NonnullRefPtr<CSS::StyleProperties>);
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LayoutSVG(DOM::Document&, SVG::SVGElement&, NonnullRefPtr<CSS::StyleProperties>);
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virtual ~LayoutSVG() override = default;
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virtual ~LayoutSVG() override = default;
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virtual void layout(LayoutMode = LayoutMode::Default) override;
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virtual void paint(PaintContext&, PaintPhase) override;
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SVG::SVGSVGElement& node() { return static_cast<SVG::SVGSVGElement&>(LayoutReplaced::node()); }
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virtual void before_children_paint(PaintContext& context, PaintPhase phase) override;
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virtual void after_children_paint(PaintContext& context, PaintPhase phase) override;
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private:
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private:
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virtual const char* class_name() const override { return "LayoutSVG"; }
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virtual const char* class_name() const override { return "LayoutSVG"; }
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59
Libraries/LibWeb/Layout/LayoutSVGGraphics.cpp
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59
Libraries/LibWeb/Layout/LayoutSVGGraphics.cpp
Normal file
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@ -0,0 +1,59 @@
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibWeb/Layout/LayoutSVGGraphics.h>
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namespace Web {
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LayoutSVGGraphics::LayoutSVGGraphics(DOM::Document& document, SVG::SVGGraphicsElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
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: LayoutSVG(document, element, properties)
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{
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}
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void LayoutSVGGraphics::before_children_paint(PaintContext& context, LayoutNode::PaintPhase phase)
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{
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LayoutSVG::before_children_paint(context, phase);
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if (phase != LayoutNode::PaintPhase::Foreground)
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return;
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auto& graphics_element = downcast<SVG::SVGGraphicsElement>(node());
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if (graphics_element.fill_color().has_value())
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context.svg_context().set_fill_color(graphics_element.fill_color().value());
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if (graphics_element.stroke_color().has_value())
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context.svg_context().set_stroke_color(graphics_element.stroke_color().value());
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if (graphics_element.stroke_width().has_value())
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context.svg_context().set_stroke_width(graphics_element.stroke_width().value());
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}
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void LayoutSVGGraphics::layout(LayoutNode::LayoutMode mode)
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{
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LayoutReplaced::layout(mode);
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for_each_child([&](auto& child) { child.layout(mode); });
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}
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}
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47
Libraries/LibWeb/Layout/LayoutSVGGraphics.h
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47
Libraries/LibWeb/Layout/LayoutSVGGraphics.h
Normal file
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@ -0,0 +1,47 @@
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <LibWeb/Layout/LayoutSVG.h>
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#include <LibWeb/SVG/SVGElement.h>
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#include <LibWeb/SVG/SVGGraphicsElement.h>
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namespace Web {
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class LayoutSVGGraphics : public LayoutSVG {
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public:
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LayoutSVGGraphics(DOM::Document&, SVG::SVGGraphicsElement&, NonnullRefPtr<CSS::StyleProperties>);
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virtual ~LayoutSVGGraphics() override = default;
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virtual void layout(LayoutMode mode) override;
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virtual void before_children_paint(PaintContext& context, LayoutNode::PaintPhase phase) override;
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private:
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virtual const char* class_name() const override { return "LayoutSVGGraphics"; }
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};
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}
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88
Libraries/LibWeb/Layout/LayoutSVGPath.cpp
Normal file
88
Libraries/LibWeb/Layout/LayoutSVGPath.cpp
Normal file
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@ -0,0 +1,88 @@
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGfx/Painter.h>
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#include <LibWeb/Layout/LayoutSVGPath.h>
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#include <LibWeb/SVG/SVGPathElement.h>
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namespace Web {
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LayoutSVGPath::LayoutSVGPath(DOM::Document& document, SVG::SVGPathElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
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: LayoutSVGGraphics(document, element, properties)
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{
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}
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void LayoutSVGPath::layout(LayoutNode::LayoutMode mode)
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{
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auto& bounding_box = node().get_path().bounding_box();
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set_has_intrinsic_width(true);
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set_has_intrinsic_height(true);
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set_intrinsic_width(bounding_box.width());
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set_intrinsic_height(bounding_box.height());
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set_offset(bounding_box.top_left());
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LayoutSVGGraphics::layout(mode);
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}
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void LayoutSVGPath::paint(PaintContext& context, LayoutNode::PaintPhase phase)
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{
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if (!is_visible())
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return;
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LayoutSVGGraphics::paint(context, phase);
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if (phase != LayoutNode::PaintPhase::Foreground)
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return;
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auto& path_element = node();
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auto& path = path_element.get_path();
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// We need to fill the path before applying the stroke, however the filled
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// path must be closed, whereas the stroke path may not necessary be closed.
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// Copy the path and close it for filling, but use the previous path for stroke
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auto closed_path = path;
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closed_path.close();
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// Fills are computed as though all paths are closed (https://svgwg.org/svg2-draft/painting.html#FillProperties)
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auto& painter = context.painter();
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auto& svg_context = context.svg_context();
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auto offset = (absolute_position() - effective_offset()).to_type<int>();
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painter.translate(offset);
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painter.fill_path(
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closed_path,
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path_element.fill_color().value_or(svg_context.fill_color()),
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Gfx::Painter::WindingRule::EvenOdd);
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painter.stroke_path(
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path,
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path_element.stroke_color().value_or(svg_context.stroke_color()),
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path_element.stroke_width().value_or(svg_context.stroke_width()));
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painter.translate(-offset);
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}
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}
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47
Libraries/LibWeb/Layout/LayoutSVGPath.h
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47
Libraries/LibWeb/Layout/LayoutSVGPath.h
Normal file
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@ -0,0 +1,47 @@
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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|
*
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* 1. Redistributions of source code must retain the above copyright notice, this
|
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|
* list of conditions and the following disclaimer.
|
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|
*
|
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|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
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|
* this list of conditions and the following disclaimer in the documentation
|
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|
* and/or other materials provided with the distribution.
|
||||||
|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
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|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||||
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
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|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
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|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
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|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
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*/
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#pragma once
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#include <LibWeb/Layout/LayoutSVGGraphics.h>
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namespace Web {
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class LayoutSVGPath final : public LayoutSVGGraphics {
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public:
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LayoutSVGPath(DOM::Document&, SVG::SVGPathElement&, NonnullRefPtr<CSS::StyleProperties>);
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virtual ~LayoutSVGPath() override = default;
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SVG::SVGPathElement& node() { return downcast<SVG::SVGPathElement>(LayoutSVGGraphics::node()); }
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void layout(LayoutMode mode) override;
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void paint(PaintContext& context, PaintPhase phase) override;
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private:
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virtual const char* class_name() const override { return "LayoutSVGPath"; }
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};
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}
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63
Libraries/LibWeb/Layout/LayoutSVGSVG.cpp
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63
Libraries/LibWeb/Layout/LayoutSVGSVG.cpp
Normal file
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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|
*
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|
* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
|
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|
*
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|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
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|
* this list of conditions and the following disclaimer in the documentation
|
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|
* and/or other materials provided with the distribution.
|
||||||
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||||
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||||
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <LibWeb/Layout/LayoutSVGSVG.h>
|
||||||
|
|
||||||
|
namespace Web {
|
||||||
|
|
||||||
|
LayoutSVGSVG::LayoutSVGSVG(DOM::Document& document, SVG::SVGSVGElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
|
||||||
|
: LayoutSVGGraphics(document, element, properties)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
void LayoutSVGSVG::layout(LayoutMode layout_mode)
|
||||||
|
{
|
||||||
|
set_has_intrinsic_width(true);
|
||||||
|
set_has_intrinsic_height(true);
|
||||||
|
set_intrinsic_width(node().width());
|
||||||
|
set_intrinsic_height(node().height());
|
||||||
|
LayoutSVGGraphics::layout(layout_mode);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LayoutSVGSVG::before_children_paint(PaintContext& context, LayoutNode::PaintPhase phase)
|
||||||
|
{
|
||||||
|
if (phase != LayoutNode::PaintPhase::Foreground)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (!context.has_svg_context())
|
||||||
|
context.set_svg_context(SVGContext());
|
||||||
|
|
||||||
|
LayoutSVGGraphics::before_children_paint(context, phase);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LayoutSVGSVG::after_children_paint(PaintContext& context, LayoutNode::PaintPhase phase)
|
||||||
|
{
|
||||||
|
LayoutSVGGraphics::after_children_paint(context, phase);
|
||||||
|
if (phase != LayoutNode::PaintPhase::Foreground)
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
50
Libraries/LibWeb/Layout/LayoutSVGSVG.h
Normal file
50
Libraries/LibWeb/Layout/LayoutSVGSVG.h
Normal file
|
@ -0,0 +1,50 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are met:
|
||||||
|
*
|
||||||
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||||
|
* list of conditions and the following disclaimer.
|
||||||
|
*
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||||
|
* this list of conditions and the following disclaimer in the documentation
|
||||||
|
* and/or other materials provided with the distribution.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||||
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||||
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <LibWeb/Layout/LayoutSVGGraphics.h>
|
||||||
|
#include <LibWeb/SVG/SVGSVGElement.h>
|
||||||
|
|
||||||
|
namespace Web {
|
||||||
|
|
||||||
|
class LayoutSVGSVG final : public LayoutSVGGraphics {
|
||||||
|
public:
|
||||||
|
LayoutSVGSVG(DOM::Document&, SVG::SVGSVGElement&, NonnullRefPtr<CSS::StyleProperties>);
|
||||||
|
~LayoutSVGSVG() override = default;
|
||||||
|
|
||||||
|
SVG::SVGSVGElement& node() { return downcast<SVG::SVGSVGElement>(LayoutSVGGraphics::node()); }
|
||||||
|
|
||||||
|
void layout(LayoutMode = LayoutMode::Default) override;
|
||||||
|
|
||||||
|
void before_children_paint(PaintContext& context, LayoutNode::PaintPhase phase) override;
|
||||||
|
void after_children_paint(PaintContext& context, PaintPhase phase) override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
const char* class_name() const override { return "LayoutSVGSVG"; }
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
|
@ -32,7 +32,7 @@ class SVGContext {
|
||||||
public:
|
public:
|
||||||
SVGContext()
|
SVGContext()
|
||||||
{
|
{
|
||||||
push_state();
|
m_states.append(State());
|
||||||
}
|
}
|
||||||
|
|
||||||
const Gfx::Color& fill_color() const { return state().fill_color; }
|
const Gfx::Color& fill_color() const { return state().fill_color; }
|
||||||
|
@ -43,9 +43,8 @@ public:
|
||||||
void set_stroke_color(Gfx::Color color) { state().stroke_color = color; }
|
void set_stroke_color(Gfx::Color color) { state().stroke_color = color; }
|
||||||
void set_stroke_width(float width) { state().stroke_width = width; }
|
void set_stroke_width(float width) { state().stroke_width = width; }
|
||||||
|
|
||||||
void push_state() { m_states.append(State()); }
|
void save() { m_states.append(m_states.last()); }
|
||||||
|
void restore() { m_states.take_last(); }
|
||||||
void pop_state() { m_states.take_last(); }
|
|
||||||
|
|
||||||
private:
|
private:
|
||||||
struct State {
|
struct State {
|
||||||
|
|
|
@ -48,13 +48,4 @@ void SVGGraphicsElement::parse_attribute(const FlyString& name, const String& va
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
SVGPaintingContext SVGGraphicsElement::make_painting_context_from(const SVGPaintingContext& context)
|
|
||||||
{
|
|
||||||
return SVGPaintingContext {
|
|
||||||
m_fill_color.value_or(context.fill_color),
|
|
||||||
m_stroke_color.value_or(context.stroke_color),
|
|
||||||
m_stroke_width.value_or(context.stroke_width),
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -33,18 +33,6 @@
|
||||||
|
|
||||||
namespace Web::SVG {
|
namespace Web::SVG {
|
||||||
|
|
||||||
struct SVGPaintingContext {
|
|
||||||
Gfx::Color fill_color;
|
|
||||||
Gfx::Color stroke_color;
|
|
||||||
float stroke_width;
|
|
||||||
};
|
|
||||||
|
|
||||||
static const SVGPaintingContext default_painting_context = {
|
|
||||||
Gfx::Color::Black,
|
|
||||||
Gfx::Color::Black,
|
|
||||||
1.0f
|
|
||||||
};
|
|
||||||
|
|
||||||
class SVGGraphicsElement : public SVGElement {
|
class SVGGraphicsElement : public SVGElement {
|
||||||
public:
|
public:
|
||||||
using WrapperType = Bindings::SVGGraphicsElementWrapper;
|
using WrapperType = Bindings::SVGGraphicsElementWrapper;
|
||||||
|
@ -53,9 +41,9 @@ public:
|
||||||
|
|
||||||
virtual void parse_attribute(const FlyString& name, const String& value) override;
|
virtual void parse_attribute(const FlyString& name, const String& value) override;
|
||||||
|
|
||||||
virtual void paint(Gfx::Painter& painter, const SVGPaintingContext& context) = 0;
|
const Optional<Gfx::Color>& fill_color() const { return m_fill_color; }
|
||||||
|
const Optional<Gfx::Color>& stroke_color() const { return m_stroke_color; }
|
||||||
SVGPaintingContext make_painting_context_from(const SVGPaintingContext& context);
|
const Optional<float>& stroke_width() const { return m_stroke_width; }
|
||||||
|
|
||||||
protected:
|
protected:
|
||||||
Optional<Gfx::Color> m_fill_color;
|
Optional<Gfx::Color> m_fill_color;
|
||||||
|
|
|
@ -29,6 +29,7 @@
|
||||||
#include <LibGfx/Path.h>
|
#include <LibGfx/Path.h>
|
||||||
#include <LibWeb/DOM/Document.h>
|
#include <LibWeb/DOM/Document.h>
|
||||||
#include <LibWeb/DOM/Event.h>
|
#include <LibWeb/DOM/Event.h>
|
||||||
|
#include <LibWeb/Layout/LayoutSVGPath.h>
|
||||||
#include <LibWeb/SVG/SVGPathElement.h>
|
#include <LibWeb/SVG/SVGPathElement.h>
|
||||||
#include <ctype.h>
|
#include <ctype.h>
|
||||||
|
|
||||||
|
@ -429,6 +430,14 @@ SVGPathElement::SVGPathElement(DOM::Document& document, const FlyString& tag_nam
|
||||||
{
|
{
|
||||||
}
|
}
|
||||||
|
|
||||||
|
RefPtr<LayoutNode> SVGPathElement::create_layout_node(const CSS::StyleProperties* parent_style)
|
||||||
|
{
|
||||||
|
auto style = document().style_resolver().resolve_style(*this, parent_style);
|
||||||
|
if (style->display() == CSS::Display::None)
|
||||||
|
return nullptr;
|
||||||
|
return adopt(*new LayoutSVGPath(document(), *this, move(style)));
|
||||||
|
}
|
||||||
|
|
||||||
void SVGPathElement::parse_attribute(const FlyString& name, const String& value)
|
void SVGPathElement::parse_attribute(const FlyString& name, const String& value)
|
||||||
{
|
{
|
||||||
SVGGeometryElement::parse_attribute(name, value);
|
SVGGeometryElement::parse_attribute(name, value);
|
||||||
|
@ -437,8 +446,11 @@ void SVGPathElement::parse_attribute(const FlyString& name, const String& value)
|
||||||
m_instructions = PathDataParser(value).parse();
|
m_instructions = PathDataParser(value).parse();
|
||||||
}
|
}
|
||||||
|
|
||||||
void SVGPathElement::paint(Gfx::Painter& painter, const SVGPaintingContext& context)
|
Gfx::Path& SVGPathElement::get_path()
|
||||||
{
|
{
|
||||||
|
if (m_path.has_value())
|
||||||
|
return m_path.value();
|
||||||
|
|
||||||
Gfx::Path path;
|
Gfx::Path path;
|
||||||
|
|
||||||
for (auto& instruction : m_instructions) {
|
for (auto& instruction : m_instructions) {
|
||||||
|
@ -640,15 +652,8 @@ void SVGPathElement::paint(Gfx::Painter& painter, const SVGPaintingContext& cont
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// We need to fill the path before applying the stroke, however the filled
|
m_path = path;
|
||||||
// path must be closed, whereas the stroke path may not necessary be closed.
|
return m_path.value();
|
||||||
// Copy the path and close it for filling, but use the previous path for stroke
|
|
||||||
auto closed_path = path;
|
|
||||||
closed_path.close();
|
|
||||||
|
|
||||||
// Fills are computed as though all paths are closed (https://svgwg.org/svg2-draft/painting.html#FillProperties)
|
|
||||||
painter.fill_path(closed_path, m_fill_color.value_or(context.fill_color), Gfx::Painter::WindingRule::EvenOdd);
|
|
||||||
painter.stroke_path(path, m_stroke_color.value_or(context.stroke_color), m_stroke_width.value_or(context.stroke_width));
|
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -109,12 +109,16 @@ public:
|
||||||
SVGPathElement(DOM::Document&, const FlyString& tag_name);
|
SVGPathElement(DOM::Document&, const FlyString& tag_name);
|
||||||
virtual ~SVGPathElement() override = default;
|
virtual ~SVGPathElement() override = default;
|
||||||
|
|
||||||
|
virtual RefPtr<LayoutNode> create_layout_node(const CSS::StyleProperties* parent_style) override;
|
||||||
|
|
||||||
virtual void parse_attribute(const FlyString& name, const String& value) override;
|
virtual void parse_attribute(const FlyString& name, const String& value) override;
|
||||||
virtual void paint(Gfx::Painter& painter, const SVGPaintingContext& context) override;
|
|
||||||
|
Gfx::Path& get_path();
|
||||||
|
|
||||||
private:
|
private:
|
||||||
Vector<PathInstruction> m_instructions;
|
Vector<PathInstruction> m_instructions;
|
||||||
Gfx::FloatPoint m_previous_control_point = {};
|
Gfx::FloatPoint m_previous_control_point = {};
|
||||||
|
Optional<Gfx::Path> m_path;
|
||||||
};
|
};
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -28,15 +28,13 @@
|
||||||
#include <LibWeb/CSS/StyleResolver.h>
|
#include <LibWeb/CSS/StyleResolver.h>
|
||||||
#include <LibWeb/DOM/Document.h>
|
#include <LibWeb/DOM/Document.h>
|
||||||
#include <LibWeb/DOM/Event.h>
|
#include <LibWeb/DOM/Event.h>
|
||||||
#include <LibWeb/Layout/LayoutSVG.h>
|
#include <LibWeb/Layout/LayoutSVGSVG.h>
|
||||||
#include <LibWeb/SVG/SVGPathElement.h>
|
#include <LibWeb/SVG/SVGPathElement.h>
|
||||||
#include <LibWeb/SVG/SVGSVGElement.h>
|
#include <LibWeb/SVG/SVGSVGElement.h>
|
||||||
#include <ctype.h>
|
#include <ctype.h>
|
||||||
|
|
||||||
namespace Web::SVG {
|
namespace Web::SVG {
|
||||||
|
|
||||||
static constexpr auto max_svg_area = 16384 * 16384;
|
|
||||||
|
|
||||||
SVGSVGElement::SVGSVGElement(DOM::Document& document, const FlyString& tag_name)
|
SVGSVGElement::SVGSVGElement(DOM::Document& document, const FlyString& tag_name)
|
||||||
: SVGGraphicsElement(document, tag_name)
|
: SVGGraphicsElement(document, tag_name)
|
||||||
{
|
{
|
||||||
|
@ -47,43 +45,7 @@ RefPtr<LayoutNode> SVGSVGElement::create_layout_node(const CSS::StyleProperties*
|
||||||
auto style = document().style_resolver().resolve_style(*this, parent_style);
|
auto style = document().style_resolver().resolve_style(*this, parent_style);
|
||||||
if (style->display() == CSS::Display::None)
|
if (style->display() == CSS::Display::None)
|
||||||
return nullptr;
|
return nullptr;
|
||||||
return adopt(*new LayoutSVG(document(), *this, move(style)));
|
return adopt(*new LayoutSVGSVG(document(), *this, move(style)));
|
||||||
}
|
|
||||||
|
|
||||||
static Gfx::IntSize bitmap_size_for_canvas(const SVGSVGElement& canvas)
|
|
||||||
{
|
|
||||||
auto width = canvas.width();
|
|
||||||
auto height = canvas.height();
|
|
||||||
|
|
||||||
Checked<size_t> area = width;
|
|
||||||
area *= height;
|
|
||||||
|
|
||||||
if (area.has_overflow()) {
|
|
||||||
dbg() << "Refusing to create " << width << "x" << height << " svg (overflow)";
|
|
||||||
return {};
|
|
||||||
}
|
|
||||||
if (area.value() > max_svg_area) {
|
|
||||||
dbg() << "Refusing to create " << width << "x" << height << " svg (exceeds maximum size)";
|
|
||||||
return {};
|
|
||||||
}
|
|
||||||
return Gfx::IntSize(width, height);
|
|
||||||
}
|
|
||||||
|
|
||||||
bool SVGSVGElement::create_bitmap_as_top_level_svg_element()
|
|
||||||
{
|
|
||||||
auto size = bitmap_size_for_canvas(*this);
|
|
||||||
if (size.is_empty()) {
|
|
||||||
m_bitmap = nullptr;
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!m_bitmap || m_bitmap->size() != size)
|
|
||||||
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, size);
|
|
||||||
|
|
||||||
Gfx::Painter painter(*m_bitmap);
|
|
||||||
paint(painter, make_painting_context_from(default_painting_context));
|
|
||||||
|
|
||||||
return m_bitmap;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned SVGSVGElement::width() const
|
unsigned SVGSVGElement::width() const
|
||||||
|
@ -96,13 +58,4 @@ unsigned SVGSVGElement::height() const
|
||||||
return attribute(HTML::AttributeNames::height).to_uint().value_or(150);
|
return attribute(HTML::AttributeNames::height).to_uint().value_or(150);
|
||||||
}
|
}
|
||||||
|
|
||||||
void SVGSVGElement::paint(Gfx::Painter& painter, const SVGPaintingContext& context)
|
|
||||||
{
|
|
||||||
for_each_child([&](Node& child) {
|
|
||||||
if (is<SVGGraphicsElement>(child)) {
|
|
||||||
downcast<SVGGraphicsElement>(child).paint(painter, make_painting_context_from(context));
|
|
||||||
}
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -39,11 +39,6 @@ public:
|
||||||
|
|
||||||
virtual RefPtr<LayoutNode> create_layout_node(const CSS::StyleProperties* parent_style) override;
|
virtual RefPtr<LayoutNode> create_layout_node(const CSS::StyleProperties* parent_style) override;
|
||||||
|
|
||||||
const RefPtr<Gfx::Bitmap> bitmap() const { return m_bitmap; }
|
|
||||||
bool create_bitmap_as_top_level_svg_element();
|
|
||||||
|
|
||||||
virtual void paint(Gfx::Painter& painter, const SVGPaintingContext& context) override;
|
|
||||||
|
|
||||||
unsigned width() const;
|
unsigned width() const;
|
||||||
unsigned height() const;
|
unsigned height() const;
|
||||||
|
|
||||||
|
|
Loading…
Add table
Add a link
Reference in a new issue