修改水印大小

src/views/co-ai/imageFunction.ts

@@ -59,15 +59,15 @@ export const addWatermark = async (canvas: any) => {
 
     // 创建canvas DOM元素，并设置其宽高和图片一样
     const water = document.createElement('canvas');
-    water.width = 300;
-    water.height = 200;
+    water.width = 280;
+    water.height = 220;
     // 小水印画布大小
 
     // 第一层
     const waterCtx = water.getContext('2d') as CanvasRenderingContext2D;
     waterCtx.clearRect(0, 0, water.width, water.height);
     // 小水印中文字偏转角度
-    waterCtx.drawImage(img, 100, 0);
+    waterCtx.drawImage(img, 80, 80);
     const pat = ctx.createPattern(water, 'repeat');
     ctx.fillStyle = pat;
     ctx.fillRect(0, 0, canvas.width, canvas.height);