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fix(canvas): 适应内容缩放对齐到10%档位

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chiyi
2026-10-12 14:28:25 +08:00
parent cc9929c716
commit 5c5249cb70
1 changed files with 6 additions and 3 deletions
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frontend/src/components/canvas/CanvasStage.vue
+6 -3
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@@ -682,9 +682,12 @@ function fitToContent() {
const bw = Math.max(1, x2 - x1 + pad * 2) const bw = Math.max(1, x2 - x1 + pad * 2)
const bh = Math.max(1, y2 - y1 + pad * 2) const bh = Math.max(1, y2 - y1 + pad * 2)
const s = Math.min(sw / bw, sh / bh, 1.2) // 期望的有效缩放 const s = Math.min(sw / bw, sh / bh, 1.2) // 期望的有效缩放
vp.scale = Math.min(MAX_SCALE, Math.max(MIN_SCALE, s / BASE_SCALE)) // 对齐 10% 档位:向下取整保证内容完整可见
vp.x = sw / 2 - (x1 - pad + bw / 2) * s const target = Math.min(MAX_SCALE, Math.max(MIN_SCALE, Math.floor(s / BASE_SCALE * 10 + 1e-6) / 10))
vp.y = sh / 2 - (y1 - pad + bh / 2) * s const eff = target * BASE_SCALE
vp.scale = target
vp.x = sw / 2 - (x1 - pad + bw / 2) * eff
vp.y = sh / 2 - (y1 - pad + bh / 2) * eff
notifyViewport() notifyViewport()
} }
function selectedIds() { function selectedIds() {