1 files changed, 29 insertions, 0 deletions
diff --git a/platform/ios/common.m b/platform/ios/common.m
index 55c1f24c..1ef17c03 100644
--- a/platform/ios/common.m
+++ b/platform/ios/common.m
@@ -41,3 +41,32 @@ fz_rect search_result_bbox(fz_document *doc, int i)
 	return hit_bbox[i];
 }
 
+static void releasePixmap(void *info, const void *data, size_t size)
+{
+	if (queue)
+		dispatch_async(queue, ^{
+			fz_drop_pixmap(ctx, info);
+		});
+	else
+	{
+		fz_drop_pixmap(ctx, info);
+	}
+}
+
+CGDataProviderRef wrapPixmap(fz_pixmap *pix)
+{
+	unsigned char *samples = fz_pixmap_samples(ctx, pix);
+	int w = fz_pixmap_width(ctx, pix);
+	int h = fz_pixmap_height(ctx, pix);
+	return CGDataProviderCreateWithData(pix, samples, w * 4 * h, releasePixmap);
+}
+
+CGImageRef newCGImageWithPixmap(fz_pixmap *pix, CGDataProviderRef cgdata)
+{
+	int w = fz_pixmap_width(ctx, pix);
+	int h = fz_pixmap_height(ctx, pix);
+	CGColorSpaceRef cgcolor = CGColorSpaceCreateDeviceRGB();
+	CGImageRef cgimage = CGImageCreate(w, h, 8, 32, 4 * w, cgcolor, kCGBitmapByteOrderDefault, cgdata, NULL, NO, kCGRenderingIntentDefault);
+	CGColorSpaceRelease(cgcolor);
+	return cgimage;
+}