From 1f6751d0e3d89ec6de9d8484ab8faef6037f849b Mon Sep 17 00:00:00 2001
From: Bj Tecu <github@bujorel.net>
Date: Mon, 4 Jan 2021 22:17:56 -0500
Subject: [PATCH] Rotate in place when flattening

---
 src/api/form/PDFForm.ts | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/api/form/PDFForm.ts b/src/api/form/PDFForm.ts
index 1b6684ca7..f2151b157 100644
--- a/src/api/form/PDFForm.ts
+++ b/src/api/form/PDFForm.ts
@@ -15,14 +15,13 @@ import {
 } from 'src/api/errors';
 import PDFFont from 'src/api/PDFFont';
 import { StandardFonts } from 'src/api/StandardFonts';
+import { rotateInPlace } from 'src/api/operations';
 import {
   drawObject,
   popGraphicsState,
   pushGraphicsState,
-  rotateRadians,
   translate,
 } from 'src/api/operators';
-import { degrees, toRadians } from 'src/api/rotations';
 import {
   PDFAcroForm,
   PDFAcroField,
@@ -583,14 +582,12 @@ export default class PDFForm {
         const xObjectKey = addRandomSuffix('FlatWidget', 10);
         page.node.setXObject(PDFName.of(xObjectKey), refOrDict);
 
-        const ap = widget.getAppearanceCharacteristics();
         const rectangle = widget.getRectangle();
-        const rotation = degrees(ap?.getRotation() ?? 0);
 
         const operators = [
           pushGraphicsState(),
           translate(rectangle.x, rectangle.y),
-          rotateRadians(toRadians(rotation)),
+          ...rotateInPlace({ ...rectangle, rotation: 0 }),
           drawObject(xObjectKey),
           popGraphicsState(),
         ].filter(Boolean) as PDFOperator[];