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LibWeb: Add the ability to retrieve a WebGL context from getContext

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Luke Wilde 2022-06-04 04:22:42 +01:00 • committed by Linus Groh
parent b0c2aee2e4
commit 58f882200c
19 changed files with 903 additions and 21 deletions
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19
Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.h
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@ -9,21 +9,23 @@
#include <AK/ByteBuffer.h>
#include <LibGfx/Forward.h>
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/WebGL/WebGLRenderingContext.h>
namespace Web::HTML {
class HTMLCanvasElement final : public HTMLElement {
public:
using WrapperType = Bindings::HTMLCanvasElementWrapper;
using RenderingContext = Variant<NonnullRefPtr<CanvasRenderingContext2D>, NonnullRefPtr<WebGL::WebGLRenderingContext>, Empty>;
HTMLCanvasElement(DOM::Document&, DOM::QualifiedName);
virtual ~HTMLCanvasElement() override;
Gfx::Bitmap const* bitmap() const { return m_bitmap; }
Gfx::Bitmap* bitmap() { return m_bitmap; }
bool create_bitmap();
bool create_bitmap(size_t minimum_width = 0, size_t minimum_height = 0);
CanvasRenderingContext2D* get_context(String type);
JS::ThrowCompletionOr<RenderingContext> get_context(String const& type, JS::Value options);
unsigned width() const;
unsigned height() const;
@ -33,11 +35,22 @@ public:
String to_data_url(String const& type, Optional<double> quality) const;
void present();
private:
virtual RefPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
enum class HasOrCreatedContext {
No,
Yes,
};
HasOrCreatedContext create_2d_context();
JS::ThrowCompletionOr<HasOrCreatedContext> create_webgl_context(JS::Value options);
void reset_context_to_default_state();
RefPtr<Gfx::Bitmap> m_bitmap;
RefPtr<CanvasRenderingContext2D> m_context;
RenderingContext m_context;
};
}