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package com.android.gallery3d.filtershow.filters;
import android.app.Activity;
import android.graphics.Bitmap;
import android.renderscript.Allocation;
import android.renderscript.RenderScript;
import android.util.Log;
public class ImageFilterRS extends ImageFilter {
private final String LOGTAG = "ImageFilterRS";
private static RenderScript mRS = null;
protected static Allocation mInPixelsAllocation;
protected static Allocation mOutPixelsAllocation;
private static android.content.res.Resources mResources = null;
public void prepare(Bitmap bitmap) {
mInPixelsAllocation = Allocation.createFromBitmap(mRS, bitmap,
Allocation.MipmapControl.MIPMAP_NONE,
Allocation.USAGE_SCRIPT);
mOutPixelsAllocation = Allocation.createTyped(mRS, mInPixelsAllocation.getType());
}
public void createFilter(android.content.res.Resources res) {
}
public void runFilter() {
}
public void update(Bitmap bitmap) {
mOutPixelsAllocation.copyTo(bitmap);
}
public void apply(Bitmap bitmap) {
if (bitmap == null) {
return;
}
try {
prepare(bitmap);
createFilter(mResources);
runFilter();
update(bitmap);
} catch (android.renderscript.RSIllegalArgumentException e) {
Log.e(LOGTAG, "Illegal argument? " + e);
} catch (android.renderscript.RSRuntimeException e) {
Log.e(LOGTAG, "RS runtime exception ? " + e);
}
}
public static RenderScript getRenderScriptContext() {
return mRS;
}
public static void setRenderScriptContext(Activity context) {
mRS = RenderScript.create(context);
mResources = context.getResources();
}
}
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