【综合】【注释】添加签名，旋转后，更改不透明度，签名又会旋转回来(已修复)

PDF Office/PDF Master/Class/PDFWindowController/PDFListView/CPDFListViewExtension/CPDFListView+Extension.m

@@ -585,21 +585,45 @@ CGFloat DEFAULT_SNAPSHOT_HEIGHT = 200.0;
     [self setNeedsDisplayAnnotation:annotation];
 }
 
+- (void)rotateSignatureAnnotation:(CPDFListSignatureAnnotation *)annotation rotateAngle:(NSInteger)angle {
+    if([annotation isKindOfClass:[CPDFListSignatureAnnotation class]]) {
+        CPDFListSignatureAnnotation *signatureAnnotation = (CPDFListSignatureAnnotation *)annotation;
+        NSInteger rotation = signatureAnnotation.rotation;
+        rotation = rotation - angle;
+        
+        if (rotation < 0) {
+            rotation += 360;
+        } else if (rotation >= 360) {
+            rotation-=360;
+        }
+
+        [signatureAnnotation setRotation:rotation];
+         rotation = [signatureAnnotation appearanceStreamRotation];
+
+        NSImage *oldImage = [annotation.pImage copy];
+        NSImage *newImage = [self changeImage:oldImage alphaValue:annotation.opacity];
+        [annotation updateAppearanceStreamWithImage:newImage rotation:annotation.rotation];
+        [self setNeedsDisplayAnnotationViewForPage:annotation.page];
+        
+        [[[self undoManager] prepareWithInvocationTarget:self] rotateSignatureAnnotation:annotation rotateAngle:-angle];
+    }
+}
+
 - (void)setSignatureAnnotation:(CPDFListSignatureAnnotation *)annotation forImageAlpha:(CGFloat)alpha {
     [[[self undoManager] prepareWithInvocationTarget:self] setSignatureAnnotation:annotation forImageAlpha:annotation.opacity];
     
-    if (annotation.opacity > 0.99) {
-        self.originImage = annotation.pImage;
-    }
+//    if (annotation.opacity > 0.99) {
+//        self.originImage = annotation.pImage;
+//    }
     annotation.opacity = alpha;
     NSImage *oldImage = self.originImage ?: [annotation.pImage copy];
     NSImage *newImage = [self changeImage:oldImage alphaValue:alpha];
     
-    self.stampObject = [[CStampSignatureObject alloc]initWithSignatureImage:newImage];
-//    annotation.stamp = stampObject;
-//    [annotation setImage:newImage];
-//    annotation.bounds = annotation.bounds;
-    [self updateAlphaAnnotation:annotation];
+//    self.stampObject = [[CStampSignatureObject alloc]initWithSignatureImage:newImage];
+//    [self updateAlphaAnnotation:annotation];
+    
+    [annotation updateAppearanceStreamWithImage:newImage rotation:annotation.rotation];
+    [self setNeedsDisplayAnnotation:annotation];
 }
 
 - (void)updateAlphaAnnotation:(CPDFListSignatureAnnotation *)annotation{