Update canvas recording mechanism (#536)

2026-04-01 12:00:00 +08:00
parent c581cf68ca
commit ba33720104
2 changed files with 11 additions and 13 deletions
--- a/src/record/observer.ts
+++ b/src/record/observer.ts
@@ -533,7 +533,11 @@ function initCanvasMutationObserver(
                    recordArgs[0] &&
                    recordArgs[0] instanceof HTMLCanvasElement
                  ) {
-                    recordArgs[0] = recordArgs[0].toDataURL();
+                    const canvas = recordArgs[0]
+                    const ctx = canvas.getContext('2d')
+                    let imgd = ctx?.getImageData(0, 0, canvas.width, canvas.height)
+                    let pix = imgd?.data;
+                    recordArgs[0] = JSON.stringify(pix)
                  }
                }
                cb({