This commit is contained in:
李志鹏
2026-01-20 10:31:47 +08:00
parent cdcb18c02c
commit eb1de5abb3
4 changed files with 23 additions and 20 deletions

View File

@@ -499,26 +499,17 @@ onMounted(async () => {
});
let trailingTimeout = null;
let throttleDelay = 100;
observer = new ResizeObserver((entries) => {
clearTimeout(trailingTimeout);
trailingTimeout = setTimeout(() => {
optimizeCanvasRendering(canvasManager.canvas, ()=> handleWindowResize());
}, throttleDelay);
}, 200);
});
observer.observe(canvasContainerRef.value);
// 使用window的resize事件代替ResizeObserver
// 只有当窗口大小变化时才更新画布尺寸
// window.addEventListener("resize", handleWindowResize);
if (props.config.initZoom) {
const width = canvasManager.width;
const height = canvasManager.height;
const cwidth = props.config.width;
const cheight = props.config.height;
let zoom = Math.min(1, width / cwidth, height / cheight);
if (zoom < 1) zoom -= 0.05;
setZoom(zoom); // 设置画布缩放
}
setInitZoom();
});
watchEffect(() => {
@@ -573,13 +564,26 @@ async function handleWindowResize() {
// 使用requestAnimationFrame来防止频繁更新
await new Promise(requestAnimationFrame);
if(!canvasManager) return;
updateCanvasSize();
await updateCanvasSize();
// 确保显示的缩放信息是最新的
currentZoom.value = Math.round(canvasManager.canvas.getZoom() * 100);
setInitZoom();
await new Promise(requestAnimationFrame);
await layerManager?.updateLayersObjectsInteractivity?.();
}
function setInitZoom(){
if (props.config.initZoom) {
const width = canvasManager.width;
const height = canvasManager.height;
const cwidth = props.config.width;
const cheight = props.config.height;
let zoom = Math.min(1, width / cwidth, height / cheight);
if (zoom < 1) zoom -= 0.05;
setZoom(zoom); // 设置画布缩放
}
}
function resetZoom() {
canvasManager.resetZoom();
}
@@ -625,13 +629,13 @@ function zoomOut() {
canvasManager.animateZoom(centerPoint, newZoom);
}
function updateCanvasSize() {
async function updateCanvasSize() {
if (canvasManager && canvasContainerRef.value) {
const containerWidth = canvasContainerRef.value.clientWidth;
const containerHeight = canvasContainerRef.value.clientHeight;
// 普通模式下,更新画布大小,这会同时重置视图和居中所有元素
canvasManager.setCanvasSize(containerWidth, containerHeight);
await canvasManager.setCanvasSize(containerWidth, containerHeight);
// // 如果启用了红绿图模式,使用 layerManager 的缩放方法
// if (props.enabledRedGreenMode && layerManager) {