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LibWeb: Add initial implementation of CRC2D.globalAlpha

Works for fills and strokes (using colors, gradients, or patterns),
along with images.

fill_rect() has been updated to use fill_path(), which allows it to
easily transform the rect, and already supports opacity.

Co-authored-by: MacDue <macdue@dueutil.tech>
This commit is contained in:
Simon Danner 2023-05-19 22:42:47 +02:00 committed by Andreas Kling
parent ff5d530aa3
commit 45f86466bb
8 changed files with 150 additions and 39 deletions

View file

@ -1,4 +1,5 @@
#import <HTML/HTMLCanvasElement.idl>
#import <HTML/Canvas/CanvasCompositing.idl>
#import <HTML/Canvas/CanvasDrawImage.idl>
#import <HTML/Canvas/CanvasDrawPath.idl>
#import <HTML/Canvas/CanvasFillStrokeStyles.idl>
@ -21,7 +22,7 @@ interface CanvasRenderingContext2D {
CanvasRenderingContext2D includes CanvasState;
CanvasRenderingContext2D includes CanvasTransform;
// FIXME: CanvasRenderingContext2D includes CanvasCompositing;
CanvasRenderingContext2D includes CanvasCompositing;
CanvasRenderingContext2D includes CanvasImageSmoothing;
CanvasRenderingContext2D includes CanvasFillStrokeStyles;
// FIXME: CanvasRenderingContext2D includes CanvasShadowStyles;