diff --git a/src/display/canvas.js b/src/display/canvas.js
index 8bf1a2de1..ba93deefc 100644
--- a/src/display/canvas.js
+++ b/src/display/canvas.js
@@ -2439,19 +2439,11 @@ class CanvasGraphics {
 
     const inv = getCurrentTransformInverse(ctx);
     if (inv) {
-      const canvas = ctx.canvas;
-      const width = canvas.width;
-      const height = canvas.height;
-
-      const bl = Util.applyTransform([0, 0], inv);
-      const br = Util.applyTransform([0, height], inv);
-      const ul = Util.applyTransform([width, 0], inv);
-      const ur = Util.applyTransform([width, height], inv);
-
-      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
-      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
-      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
-      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+      const { width, height } = ctx.canvas;
+      const [x0, y0, x1, y1] = Util.getAxialAlignedBoundingBox(
+        [0, 0, width, height],
+        inv
+      );
 
       this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
     } else {
diff --git a/src/display/svg.js b/src/display/svg.js
index b61855676..e62dd5cb6 100644
--- a/src/display/svg.js
+++ b/src/display/svg.js
@@ -1103,17 +1103,12 @@ if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
     }
 
     shadingFill(args) {
-      const width = this.viewport.width;
-      const height = this.viewport.height;
+      const { width, height } = this.viewport;
       const inv = Util.inverseTransform(this.transformMatrix);
-      const bl = Util.applyTransform([0, 0], inv);
-      const br = Util.applyTransform([0, height], inv);
-      const ul = Util.applyTransform([width, 0], inv);
-      const ur = Util.applyTransform([width, height], inv);
-      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
-      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
-      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
-      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+      const [x0, y0, x1, y1] = Util.getAxialAlignedBoundingBox(
+        [0, 0, width, height],
+        inv
+      );
 
       const rect = this.svgFactory.createElement("svg:rect");
       rect.setAttributeNS(null, "x", x0);
diff --git a/src/shared/util.js b/src/shared/util.js
index b6cafbdca..f4ae48232 100644
--- a/src/shared/util.js
+++ b/src/shared/util.js
@@ -730,10 +730,10 @@ class Util {
   // Applies the transform to the rectangle and finds the minimum axially
   // aligned bounding box.
   static getAxialAlignedBoundingBox(r, m) {
-    const p1 = Util.applyTransform(r, m);
-    const p2 = Util.applyTransform(r.slice(2, 4), m);
-    const p3 = Util.applyTransform([r[0], r[3]], m);
-    const p4 = Util.applyTransform([r[2], r[1]], m);
+    const p1 = this.applyTransform(r, m);
+    const p2 = this.applyTransform(r.slice(2, 4), m);
+    const p3 = this.applyTransform([r[0], r[3]], m);
+    const p4 = this.applyTransform([r[2], r[1]], m);
     return [
       Math.min(p1[0], p2[0], p3[0], p4[0]),
       Math.min(p1[1], p2[1], p3[1], p4[1]),