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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.filtershow.imageshow;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import com.android.gallery3d.R;
public class ImageRotate extends ImageGeometry {
private float mBaseAngle = 0;
private float mAngle = 0;
private final boolean mSnapToNinety = true;
private static final String LOGTAG = "ImageRotate";
public ImageRotate(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ImageRotate(Context context) {
super(context);
}
@Override
public String getName() {
return getContext().getString(R.string.rotate);
}
private static final Paint gPaint = new Paint();
private void computeValue() {
float angle = getCurrentTouchAngle();
mAngle = (mBaseAngle - angle) % 360;
}
@Override
protected void setActionDown(float x, float y) {
super.setActionDown(x, y);
mBaseAngle = mAngle = getLocalRotation();
}
@Override
protected void setActionMove(float x, float y) {
super.setActionMove(x, y);
computeValue();
setLocalRotation(mAngle % 360);
}
@Override
protected void setActionUp() {
super.setActionUp();
if (mSnapToNinety) {
setLocalRotation(snappedAngle(mAngle % 360));
}
}
@Override
protected int getLocalValue() {
return (int) getLocalRotation();
}
@Override
protected void drawShape(Canvas canvas, Bitmap image) {
gPaint.setAntiAlias(true);
gPaint.setFilterBitmap(true);
gPaint.setDither(true);
gPaint.setARGB(255, 255, 255, 255);
drawTransformedCropped(canvas, image, gPaint);
}
}
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