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public static class ScaleToFitWidhtHeigthTransform implements Transformation { | |
private int mSize; | |
private boolean isHeightScale; | |
public ScaleToFitWidhtHeigthTransform(int size, boolean isHeightScale){ | |
mSize =size; | |
this.isHeightScale = isHeightScale; | |
} | |
@Override | |
public Bitmap transform(Bitmap source) { | |
float scale; | |
int newSize; | |
Bitmap scaleBitmap; | |
if(isHeightScale){ | |
scale = (float) mSize / source.getHeight(); | |
newSize = Math.round(source.getWidth() * scale); | |
scaleBitmap= Bitmap.createScaledBitmap(source, newSize, mSize, true); | |
}else{ | |
scale = (float) mSize / source.getWidth(); | |
newSize = Math.round(source.getHeight() * scale); | |
scaleBitmap = Bitmap.createScaledBitmap(source, mSize,newSize, true); | |
} | |
if (scaleBitmap != source) { | |
source.recycle(); | |
} | |
return scaleBitmap; | |
} | |
@Override | |
public String key() { | |
return new StringBuilder("scaleRespectRatio") | |
.append(mSize) | |
.append(isHeightScale) | |
.toString(); | |
} | |
} |
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