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LibWeb: Implement CanvasRenderingContext2D.createPattern()

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This is a first pass at implementing CRC2D.createPattern() and the
associated CanvasPattern object. This implementation only works for a
few of the required image sources [like CRC2D.drawImage()], and does
not yet support transforms. Other than that it supports everything
else (which is mainly the various repeat modes).
This commit is contained in:
MacDue 2023-02-02 20:47:46 +00:00 • committed by Andreas Kling
parent 0c313c586b
commit f74e2da875
8 changed files with 229 additions and 8 deletions
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5
Userland/Libraries/LibWeb/HTML/Canvas/CanvasState.h
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@ -13,6 +13,7 @@
#include <LibGfx/Color.h>
#include <LibGfx/PaintStyle.h>
#include <LibWeb/HTML/CanvasGradient.h>
#include <LibWeb/HTML/CanvasPattern.h>
namespace Web::HTML {
@ -26,7 +27,7 @@ public:
void reset();
bool is_context_lost();
using FillOrStrokeVariant = Variant<Gfx::Color, JS::Handle<CanvasGradient>>;
using FillOrStrokeVariant = Variant<Gfx::Color, JS::Handle<CanvasGradient>, JS::Handle<CanvasPattern>>;
struct FillOrStrokeStyle {
FillOrStrokeStyle(Gfx::Color color)
@ -49,7 +50,7 @@ public:
Optional<Gfx::Color> as_color() const;
Gfx::Color to_color_but_fixme_should_accept_any_paint_style() const;
using JsFillOrStrokeStyle = Variant<DeprecatedString, JS::Handle<CanvasGradient>>;
using JsFillOrStrokeStyle = Variant<DeprecatedString, JS::Handle<CanvasGradient>, JS::Handle<CanvasPattern>>;
JsFillOrStrokeStyle to_js_fill_or_stroke_style() const
{