Commit 4e16438494df58fbd44d85a2916bd6b0f82ed9e4
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c5713c75
fix: #2390 [Preview]缩小后scale为负值 (#2391)
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src/components/Preview/src/Functional.vue
| @@ -141,8 +141,16 @@ | @@ -141,8 +141,16 @@ | ||
| 141 | } | 141 | } |
| 142 | // 缩放函数 | 142 | // 缩放函数 |
| 143 | function scaleFunc(num: number) { | 143 | function scaleFunc(num: number) { |
| 144 | + // 最小缩放 | ||
| 145 | + const MIN_SCALE = 0.02; | ||
| 146 | + // 放大缩小的颗粒度 | ||
| 147 | + const GRA = 0.1; | ||
| 144 | if (imgState.imgScale <= 0.2 && num < 0) return; | 148 | if (imgState.imgScale <= 0.2 && num < 0) return; |
| 145 | - imgState.imgScale += num; | 149 | + imgState.imgScale += num * GRA; |
| 150 | + // scale 不能 < 0，否则图片会倒置放大 | ||
| 151 | + if (imgState.imgScale < 0) { | ||
| 152 | + imgState.imgScale = MIN_SCALE; | ||
| 153 | + } | ||
| 146 | } | 154 | } |
| 147 | 155 | ||
| 148 | // 旋转图片 | 156 | // 旋转图片 |