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zdg #78

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zhengdegang merged 6 commits from zdg into main 2024-07-26 22:16:53 +08:00
Conversation 0 Commits 6 Files Changed 6 +20 -21
1 changed files with 20 additions and 21 deletions
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41
src/renderer/src/components/pdf/index.vue
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@ -50,8 +50,7 @@ const renderPage = async (canvasobj) => {
const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
// 渲染当前页
const page = await pdf.getPage(canvasobj.page)
const viewport = page.getViewport({ scale: 1 })
const viewport = page.getViewport({ scale: 1.28 })
const canvasElement = canvasobj.canvas
canvasElement.width = viewport.width
canvasElement.height = viewport.height
@ -67,34 +66,34 @@ const renderPage = async (canvasobj) => {
img.onload = () => {
// 在这里执行图像加载完成后的操作
// 根据传过来的pdf对象 判断改渲染哪一个fabric
var screenWidth = window.innerWidth/2-10;
var screenHeight = window.innerHeight;
// 计算图像的原始宽度和高度
var imgWidth = img.width;
var imgHeight = img.height;
// 计算图像的缩放比例以适应屏幕
var widthRatio = screenWidth / imgWidth;
var heightRatio = screenHeight / imgHeight;
//选择较小的缩放比例以确保图像完全适应屏幕
var scaleRatio = Math.min(widthRatio, heightRatio);
// 计算缩放后的图像尺寸
var targetWidth = imgWidth * scaleRatio;
var targetHeight = imgHeight * scaleRatio;
// var screenWidth = window.innerWidth/2-10;
// var screenHeight = window.innerHeight;
// // 计算图像的原始宽度和高度
// var imgWidth = img.width;
// var imgHeight = img.height;
// // 计算图像的缩放比例以适应屏幕
// var widthRatio = screenWidth / imgWidth;
// var heightRatio = screenHeight / imgHeight;
// //选择较小的缩放比例以确保图像完全适应屏幕
// var scaleRatio = Math.min(widthRatio, heightRatio);
// // 计算缩放后的图像尺寸
// var targetWidth = imgWidth * scaleRatio;
// var targetHeight = imgHeight * scaleRatio;
if (props.pdfObj.numberOfPdf == 2) {
if (canvasobj.index == 0) {
fabriccanvas.value.setWidth(targetWidth)
fabriccanvas.value.setHeight(targetHeight)
fabriccanvas.value.setWidth(img.width)
fabriccanvas.value.setHeight(img.height)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
} else {
fabriccanvas1.value.setWidth(targetWidth)
fabriccanvas1.value.setHeight(targetHeight)
fabriccanvas1.value.setWidth(img.width)
fabriccanvas1.value.setHeight(img.height)
displayData(fabriccanvas1, canvsStore, canvasobj, fabric, img)
}
} else {
fabriccanvas.value.setWidth(targetWidth)
fabriccanvas.value.setHeight(targetHeight)
fabriccanvas.value.setWidth(img.width)
fabriccanvas.value.setHeight(img.height)
displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
}
// console.log(imgarr.value)