Fix the wrong flipping rendering on macOS because of CoreGraphics/App…

…Kit differences
SDWebImage · Jan 11, 2024 · 5785d55 · 5785d55
1 parent 43fa043
commit 5785d55
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/SDWebImageSVGNativeCoder/Classes/SDImageSVGNativeCoder.mm b/SDWebImageSVGNativeCoder/Classes/SDImageSVGNativeCoder.mm
@@ -80,6 +80,13 @@ - (nullable UIImage *)decodedImageWithData:(nullable NSData *)data options:(null
 
     renderer->SetGraphicsContext(ctx);
 
+#if SD_MAC
+    // Core Graphics Coordinate System convert. SDWebImage use's non-flipped one
+    // See: [NSGraphicsContext graphicsContextWithCGContext:context flipped:NO];
+    CGContextScaleCTM(ctx, 1, -1);
+    CGContextTranslateCTM(ctx, 0, -svgSize.height);
+#endif
+
     doc->Render(svgSize.width, svgSize.height);
 
     renderer->ReleaseGraphicsContext();