kinow commented on a change in pull request #55: Add support to read multiple
images from GIF
URL: https://github.com/apache/commons-imaging/pull/55#discussion_r341434724
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File path:
src/test/java/org/apache/commons/imaging/formats/gif/GifReadTest.java
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@@ -57,10 +58,40 @@ public void testImageInfo() throws Exception {
// TODO assert more
}
+ @Test
+ public void testImageDimensions() throws Exception {
+ final ImageInfo imageInfo = Imaging.getImageInfo(imageFile);
+ final GifImageMetadata metadata = (GifImageMetadata)
Imaging.getMetadata(imageFile);
+ final List<BufferedImage> images =
Imaging.getAllBufferedImages(imageFile);
+
+ int width = 0;
+ int height = 0;
+ for(int i = 0; i < images.size(); i++) {
+ final BufferedImage image = images.get(i);
+ final GifImageMetadataItem metadataItem =
metadata.getItems().get(i);
+ final int xOffset = metadataItem.getLeftPosition();
+ final int yOffset = metadataItem.getTopPosition();
+ width = Math.max(width, image.getWidth() + xOffset);
+ height = Math.max(height, image.getHeight() + yOffset);
+ }
+
+ assertEquals(width, metadata.getWidth());
+ assertEquals(height, metadata.getHeight());
+ assertEquals(width, imageInfo.getWidth());
+ assertEquals(height, imageInfo.getHeight());
Review comment:
Why are these two methods called twice here?
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