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Fixing bug: Add Image makes random changes to image (#2246) (#2256)

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Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>
This commit is contained in:
Renan 2024-11-16 05:55:40 -03:00 committed by GitHub
parent 0ce479e1e3
commit 8dfb5940ca
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GPG Key ID: B5690EEEBB952194
1 changed files with 99 additions and 62 deletions
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57
src/main/resources/static/js/draggable-utils.js
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@ -74,16 +74,16 @@ const DraggableUtils = {
modifiers: [
interact.modifiers.restrictSize({
min: {width: 5, height: 5},
min: { width: 5, height: 5 },
}),
],
inertia: true,
});
//Arrow key Support for Add-Image and Sign pages
if(window.location.pathname.endsWith('sign') || window.location.pathname.endsWith('add-image')) {
if (window.location.pathname.endsWith('sign') || window.location.pathname.endsWith('add-image')) {
window.addEventListener('keydown', (event) => {
//Check for last interacted element
if (!this.lastInteracted){
if (!this.lastInteracted) {
return;
}
// Get the currently selected element
@ -288,7 +288,7 @@ const DraggableUtils = {
}
},
parseTransform(element) {},
parseTransform(element) { },
async getOverlayedPdfDocument() {
const pdfBytes = await this.pdfDoc.getData();
const pdfDocModified = await PDFLib.PDFDocument.load(pdfBytes, {
@ -308,6 +308,7 @@ const DraggableUtils = {
const offsetWidth = pagesMap[pageIdx + "-offsetWidth"];
const offsetHeight = pagesMap[pageIdx + "-offsetHeight"];
for (const draggableData of draggablesData) {
// embed the draggable canvas
const draggableElement = draggableData.element;
@ -324,6 +325,24 @@ const DraggableUtils = {
width: draggableData.offsetWidth,
height: draggableData.offsetHeight,
};
//Auxiliary variables
let widthAdjusted = page.getWidth();
let heightAdjusted = page.getHeight();
const rotation = page.getRotation();
//Normalizing angle
let normalizedAngle = rotation.angle % 360;
if (normalizedAngle < 0) {
normalizedAngle += 360;
}
//Changing the page dimension if the angle is 90 or 270
if (normalizedAngle === 90 || normalizedAngle === 270) {
let widthTemp = widthAdjusted;
widthAdjusted = heightAdjusted;
heightAdjusted = widthTemp;
}
const draggablePositionRelative = {
x: draggablePositionPixels.x / offsetWidth,
y: draggablePositionPixels.y / offsetHeight,
@ -331,18 +350,36 @@ const DraggableUtils = {
height: draggablePositionPixels.height / offsetHeight,
};
const draggablePositionPdf = {
x: draggablePositionRelative.x * page.getWidth(),
y: draggablePositionRelative.y * page.getHeight(),
width: draggablePositionRelative.width * page.getWidth(),
height: draggablePositionRelative.height * page.getHeight(),
x: draggablePositionRelative.x * widthAdjusted,
y: draggablePositionRelative.y * heightAdjusted,
width: draggablePositionRelative.width * widthAdjusted,
height: draggablePositionRelative.height * heightAdjusted,
};
//Defining the image if the page has a 0-degree angle
let x = draggablePositionPdf.x
let y = heightAdjusted - draggablePositionPdf.y - draggablePositionPdf.height
//Defining the image position if it is at other angles
if (normalizedAngle === 90) {
x = draggablePositionPdf.y + draggablePositionPdf.height;
y = draggablePositionPdf.x;
} else if (normalizedAngle === 180) {
x = widthAdjusted - draggablePositionPdf.x;
y = draggablePositionPdf.y + draggablePositionPdf.height;
} else if (normalizedAngle === 270) {
x = heightAdjusted - draggablePositionPdf.y - draggablePositionPdf.height;
y = widthAdjusted - draggablePositionPdf.x;
}
// draw the image
page.drawImage(pdfImageObject, {
x: draggablePositionPdf.x,
y: page.getHeight() - draggablePositionPdf.y - draggablePositionPdf.height,
x: x,
y: y,
width: draggablePositionPdf.width,
height: draggablePositionPdf.height,
rotate: rotation
});
}
}