2.6.2-beta-2, 0.17.6-10 PDFCropping

src/utils/PDFUtils.ts

@@ -1,27 +1,37 @@
 //for future use, not used currently
 
 import { ImageCrop } from "@zsviczian/excalidraw/types/excalidraw/element/types";
-import { LinkParts } from "./Utils";
 
 export function getPDFCropRect (props: {
   scale: number,
-  linkParts: LinkParts, 
+  link: string,
   naturalHeight: number, 
   naturalWidth: number,
 }) : ImageCrop | null {
-  const cropRect = props.linkParts.ref.split("rect=")[1]?.split(",").map(x=>parseInt(x));
-  const validRect = cropRect && cropRect.length === 4 && cropRect.every(x=>!isNaN(x));
-
-  if(!validRect) {
+  const rectVal = props.link.match(/&rect=(\d*),(\d*),(\d*),(\d*)/);
+  if (!rectVal || rectVal.length !== 5) {
     return null;
   }
 
+  const R0 = parseInt(rectVal[1]);
+  const R1 = parseInt(rectVal[2]);
+  const R2 = parseInt(rectVal[3]);
+  const R3 = parseInt(rectVal[4]);
+
   return {
-    x: cropRect[0] * props.scale,
-    y: (props.naturalHeight/props.scale - cropRect[3]) * props.scale,
-    width: (cropRect[2] - cropRect[0]) * props.scale,
-    height: (cropRect[3] - cropRect[1]) * props.scale,
+    x: R0 * props.scale,
+    y: (props.naturalHeight/props.scale - R3) * props.scale,
+    width: (R2 - R0) * props.scale,
+    height: (R3 - R1) * props.scale,
     naturalWidth: props.naturalWidth,
     naturalHeight: props.naturalHeight,
   }
+}
+
+export function getPDFRect(elCrop: ImageCrop, scale: number): string {
+  const R0 = elCrop.x / scale;
+  const R2 = elCrop.width / scale + R0;
+  const R3 = (elCrop.naturalHeight - elCrop.y) / scale;
+  const R1 = R3 - elCrop.height / scale;
+  return `&rect=${Math.round(R0)},${Math.round(R1)},${Math.round(R2)},${Math.round(R3)}`;
 }