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feat(编辑能力): 优化文字拖动缩放，修复选框异常拉长的问题
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xiaoqidun committed 2026-09-17 02:28:52 +08:00
1 parent 5e86e903e4
commit 5c699023f5
1 file changed
+5 -17
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assets/webui/ofdgo_edit.js
+5 -17
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@@ -33,13 +33,10 @@ export function objectTransform(box, dx, dy, corner = "") {
}
export function textTransform(box, dx, dy, corner) {
if (!corner) return objectTransform(box, dx, dy);
const left = corner.includes("w"), top = corner.includes("n");
const horizontal = (left ? -dx : dx) / box.width;
const vertical = (top ? -dy : dy) / box.height;
const delta = corner.length === 1 || Math.abs(vertical) > Math.abs(horizontal) ? vertical : horizontal;
const scale = Math.max(Math.min(1, 1 / box.height), 1 + delta);
return { x: corner.length === 1 ? box.width * (1 - scale) / 2 : left ? box.width * (1 - scale) : 0,
if (corner !== "n" && corner !== "s") return objectTransform(box, dx, dy, corner);
const top = corner === "n";
const scale = Math.max(Math.min(1, 1 / box.height), 1 + (top ? -dy : dy) / box.height);
return { x: box.width * (1 - scale) / 2,
y: top ? box.height * (1 - scale) : 0, scale };
}
@@ -567,15 +564,6 @@ export class CanvasEditor {
}
const from = pagePoint(drag.clientX, drag.clientY, drag.rect, drag.item.page, drag.rotation);
const to = pagePoint(event.clientX, event.clientY, drag.rect, drag.item.page, drag.rotation);
if (!drag.box && !drag.change && drag.item.type === "TextObject" && (drag.corner === "w" || drag.corner === "e")) {
const scale = (drag.rotation % 180 ? drag.rect.width : drag.rect.height) / drag.item.page.height;
const dx = to.x - from.x, dy = to.y - from.y;
const frame = drag.item.textFrame;
if ((!frame || frame.matrix[0] > 0 && frame.matrix[3] > 0)
&& drag.item.height * scale < 28 && Math.abs(dy) * scale >= 3 && Math.abs(dy) > Math.abs(dx) / 2) {
drag.corner = (dy < 0 ? "n" : "s") + drag.corner;
}
}
if (drag.item.type === "TextObject" && (drag.corner === "w" || drag.corner === "e")) {
if (drag.item.textFrame) {
const frame = drag.item.textFrame, [a, b, c, d] = frame.matrix;
@@ -653,7 +641,7 @@ export class CanvasEditor {
const from = pagePoint(drag.clientX, drag.clientY, drag.rect, drag.page, drag.rotation);
const x = Math.max(0, Math.min(from.x, drag.page.width - 1));
const y = Math.max(0, Math.min(from.y, drag.page.height - 1));
const box = drag.box || { x, y, width: Math.min(80, drag.page.width - x), height: 5 };
const box = drag.box ? { ...drag.box, wrap: true } : { x, y, width: Math.min(80, drag.page.width - x), height: 5, wrap: false };
drag.preview.remove();
this.setTool("");
this.options.onDrawText(drag.page.index, box, drag.surface, drag.page);