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react-native-image-resizer
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Fix portrait image resizing on Android

This commit is contained in:
Florian Rival 2016-06-14 12:22:49 +02:00
parent d0ffb34194
commit b664dfe510
1 changed files with 8 additions and 13 deletions
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21
android/src/main/java/fr/bamlab/rnimageresizer/ImageResizer.java
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@ -31,24 +31,19 @@ class ImageResizer {
image = BitmapFactory.decodeStream(input);
input.close();
}
if (image == null) {
return null; // Can't load the image from the given path.
}
if (maxHeight > 0 && maxWidth > 0) {
int width = image.getWidth();
int height = image.getHeight();
float ratioBitmap = (float) width / (float) height;
float ratioMax = (float) maxWidth / (float) maxHeight;
float width = image.getWidth();
float height = image.getHeight();
int finalWidth = maxWidth;
int finalHeight = maxHeight;
if (ratioMax > 1) {
finalWidth = (int) ((float) maxHeight * ratioBitmap);
} else {
finalHeight = (int) ((float) maxWidth / ratioBitmap);
}
float ratio = Math.min((float)maxWidth / width, (float)maxHeight / height);
int finalWidth = (int) (width * ratio);
int finalHeight = (int) (height * ratio);
image = Bitmap.createScaledBitmap(image, finalWidth, finalHeight, true);
}
@ -56,7 +51,7 @@ class ImageResizer {
}catch (IOException ex) {
// No memory available for resizing.
}
return null;
}