Enable alpha transparency in canvas context (#93)

robertdrakedennis · web-flow · commit 779b6486de95 · 2025-12-05T20:37:25.000-06:00
diff --git a/lib/renderer.ts b/lib/renderer.ts
@@ -140,7 +140,7 @@ export class CanvasRenderer {
 
   constructor(canvas: HTMLCanvasElement, options: RendererOptions = {}) {
     this.canvas = canvas;
-    const ctx = canvas.getContext('2d', { alpha: false });
+    const ctx = canvas.getContext('2d', { alpha: true });
     if (!ctx) {
       throw new Error('Failed to get 2D rendering context');
     }

Original file line number	Diff line number	Diff line change
`@@ -140,7 +140,7 @@ export class CanvasRenderer {`
`140`	`140`
`141`	`141`	`constructor(canvas: HTMLCanvasElement, options: RendererOptions = {}) {`
`142`	`142`	`this.canvas = canvas;`
`143`		`- const ctx = canvas.getContext('2d', { alpha: false });`
	`143`	`+ const ctx = canvas.getContext('2d', { alpha: true });`
`144`	`144`	`if (!ctx) {`
`145`	`145`	`throw new Error('Failed to get 2D rendering context');`
`146`	`146`	`}`