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Calculating width and height for multiple frames from bounds. #97

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Calculating width and height for multiple frames from bounds. #97

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15 changes: 10 additions & 5 deletions ...footprint/src/main/java/com/google/wear/watchface/dfx/memory/DrawableResourceDetails.java
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Original file line number Diff line number Diff line change
Expand Up @@ -163,15 +163,20 @@ static Optional<DrawableResourceDetails> fromPackageResource(
DrawableResourceDetails.Bounds accumulatedBounds = null;

for (int i = 0; i < numberOfImages; i++) {
// If an asset such as a GIF or a WEBP has more than 1 frame, then find the
// maximum size for any frame and multiply that by the number of frames.
maxWidth = max(maxWidth, reader.getWidth(i));
maxHeight = max(maxHeight, reader.getHeight(i));

ImageProcessor.ImageData image = reader.read(i);

Bounds bounds = computeBounds(image);
if (numberOfImages == 1) {
maxWidth = image.getWidth();
maxHeight = image.getHeight();
}

if (bounds != null) {
// In case of multiple frames, largest one is taken.
// Note: Only visible pixels are taken to compute the width and height.
maxWidth = max(bounds.getWidth(), maxWidth);
maxHeight = max(bounds.getHeight(), maxHeight);

if (accumulatedBounds == null) {
accumulatedBounds = bounds;
} else {
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