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package com.android.gallery3d.filtershow.filters;
import android.graphics.Bitmap;
import com.android.gallery3d.filtershow.ui.Spline;
public class ImageFilterCurves extends ImageFilter {
private static final String LOGTAG = "ImageFilterCurves";
private final float[] mCurve = new float[256];
private boolean mUseRed = true;
private boolean mUseGreen = true;
private boolean mUseBlue = true;
private Spline mSpline = null;
public ImageFilterCurves() {
mName = "Curves";
}
@Override
public ImageFilter clone() throws CloneNotSupportedException {
ImageFilterCurves filter = (ImageFilterCurves) super.clone();
filter.setCurve(mCurve);
filter.setSpline(new Spline(mSpline));
return filter;
}
public void setUseRed(boolean value) {
mUseRed = value;
}
public void setUseGreen(boolean value) {
mUseGreen = value;
}
public void setUseBlue(boolean value) {
mUseBlue = value;
}
public void setCurve(float[] curve) {
for (int i = 0; i < curve.length; i++) {
if (i < 256) {
mCurve[i] = curve[i];
}
}
}
@Override
public boolean same(ImageFilter filter) {
boolean isCurveFilter = super.same(filter);
if (!isCurveFilter) {
return false;
}
ImageFilterCurves curve = (ImageFilterCurves) filter;
for (int i = 0; i < 256; i++) {
if (curve.mCurve[i] != mCurve[i]) {
return false;
}
}
return true;
}
public void populateArray(int[] array) {
for (int i = 0; i < 256; i++) {
array[i] = (int) (mCurve[i]);
}
}
@Override
public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
int[] redGradient = null;
if (mUseRed) {
redGradient = new int[256];
populateArray(redGradient);
}
int[] greenGradient = null;
if (mUseGreen) {
greenGradient = new int[256];
populateArray(greenGradient);
}
int[] blueGradient = null;
if (mUseBlue) {
blueGradient = new int[256];
populateArray(blueGradient);
}
nativeApplyGradientFilter(bitmap, bitmap.getWidth(), bitmap.getHeight(),
redGradient, greenGradient, blueGradient);
return bitmap;
}
public void setSpline(Spline spline) {
mSpline = spline;
}
public Spline getSpline() {
return mSpline;
}
}
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