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ladybird/Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.h

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LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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/*
Userland: Use mattco@serenityos.org for my copyright headers
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* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
LibWeb: Treat SVG fill/stroke/stroke-width attributes as CSS properties Rather than having separate systems for the attributes and their CSS equivalents, we can treat the attributes as presentational hints and convert them to CSS properties. This means they can be inherited, as they should. :^) As noted, the `fill` and `stroke` attributes do not fully match the `fill` and `stroke` properties. The CSS spec is still an early draft and not entirely helpful, so we can just pretend they are the same for now.
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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*/
#pragma once
LibWeb: Refactor SVG files into their own directory; follow spec layout
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#include <LibGfx/Path.h>
#include <LibWeb/DOM/Node.h>
#include <LibWeb/SVG/SVGElement.h>
#include <LibWeb/SVG/TagNames.h>
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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LibWeb: Refactor SVG files into their own directory; follow spec layout
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namespace Web::SVG {
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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LibWeb: Refactor SVG files into their own directory; follow spec layout
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class SVGGraphicsElement : public SVGElement {
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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WEB_PLATFORM_OBJECT(SVGGraphicsElement, SVGElement);
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
2020-07-19 23:01:53 -07:00
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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public:
LibWeb: Treat SVG fill/stroke/stroke-width attributes as CSS properties Rather than having separate systems for the attributes and their CSS equivalents, we can treat the attributes as presentational hints and convert them to CSS properties. This means they can be inherited, as they should. :^) As noted, the `fill` and `stroke` attributes do not fully match the `fill` and `stroke` properties. The CSS spec is still an early draft and not entirely helpful, so we can just pretend they are the same for now.
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virtual void apply_presentational_hints(CSS::StyleProperties&) const override;
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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LibWeb: Add for CSS `fill/stroke/stroke-color` properties for SVG In the spec, `fill` and `stroke` are supposed to be a shorthands for various properties. But since the spec is still a working draft, and neither Firefox or Chrome support the `fill-color` or `stroke-color` properties, we'll stick with `fill` and `stroke` as simple colors for now. Also, note that SVG expects things in "user units", and we are assuming that 1px = 1 user unit for now.
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Optional<Gfx::Color> fill_color() const;
Optional<Gfx::Color> stroke_color() const;
Optional<float> stroke_width() const;
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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protected:
SVGGraphicsElement(DOM::Document&, DOM::QualifiedName);
LibWeb: Move setting of Web object prototypes to initialize() This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
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LibJS+Everywhere: Allow Cell::initialize overrides to throw OOM errors Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
LibWeb: Begin SVG element support This commit starts adding a basic SVG element. Currently, svg elements have support for the width and height properties, as well as the stroke, stroke-width, and fill properties. The only child element supported is the path element, as most other graphical elements are just shorthand for paths.
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};
LibWeb: Refactor SVG files into their own directory; follow spec layout
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}
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