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Merge pull request #127 from RedFlagRF/master

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修复PDF懒加载判断错误导致渲染多余不存在canvas问题
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hit757 2023-08-24 13:38:32 +08:00 committed by GitHub
commit eda8ab8283
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1 changed files with 8 additions and 5 deletions
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13
core/packages/vue-pdf/src/main.vue
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@ -78,11 +78,14 @@ export default defineComponent({
function onScrollPdf(e) {
const { scrollTop, scrollHeight, clientHeight } = e.target;
if (scrollTop + clientHeight >= scrollHeight) {
if (numPages.value < pdfDocument.numPages) {
let oldNum = numPages.value;
numPages.value += Math.min(lazySize, pdfDocument.numPages);
renderPage(oldNum+1);
}
if (numPages.value >= pdfDocument.numPages) {
return;
}
let oldNum = numPages.value;
numPages.value = Math.min(pdfDocument.numPages, oldNum + lazySize);
if (numPages.value > oldNum) {
renderPage(oldNum + 1);
}
}
}