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package com.android.gallery3d.filtershow.imageshow;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import com.android.gallery3d.filtershow.filters.ImageFilterDraw;
import com.android.gallery3d.filtershow.filters.RedEyeCandidate;
public class ImageDraw extends ImageShow {
private static final String LOGTAG = "ImageDraw";
public ImageDraw(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ImageDraw(Context context) {
super(context);
}
@Override
public void resetParameter() {
ImageFilterDraw filter = (ImageFilterDraw) getCurrentFilter();
if (filter != null) {
filter.clear();
}
invalidate();
}
@Override
public void updateImage() {
super.updateImage();
invalidate();
}
float[] mTmpPoint = new float[2]; // so we do not malloc
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getPointerCount() != 1) {
return false;
}
ImageFilterDraw filter = (ImageFilterDraw) getCurrentFilter();
if (event.getAction() == MotionEvent.ACTION_DOWN) {
mTmpPoint[0] = event.getX();
mTmpPoint[1] = event.getY();
mToOrig.mapPoints(mTmpPoint);
float[] hsv = new float[3];
hsv[0] = (float) (360 * Math.random());
hsv[1] = 1;
hsv[2] = 1;
int col = Color.HSVToColor(0x88, hsv);
filter.startSection(col, mTmpPoint[0], mTmpPoint[1]);
}
if (event.getAction() == MotionEvent.ACTION_MOVE) {
int historySize = event.getHistorySize();
final int pointerCount = event.getPointerCount();
for (int h = 0; h < historySize; h++) {
int p = 0;
{
mTmpPoint[0] = event.getHistoricalX(p, h);
mTmpPoint[1] = event.getHistoricalY(p, h);
mToOrig.mapPoints(mTmpPoint);
filter.addPoint(mTmpPoint[0], mTmpPoint[1]);
}
}
}
if (event.getAction() == MotionEvent.ACTION_UP) {
mTmpPoint[0] = event.getX();
mTmpPoint[1] = event.getY();
mToOrig.mapPoints(mTmpPoint);
filter.endSection(mTmpPoint[0], mTmpPoint[1]);
this.resetImageCaches(this);
}
invalidate();
return true;
}
Matrix mRotateToScreen;
Matrix mToScreen;
Matrix mToOrig = new Matrix();
private void calcScreenMapping() {
GeometryMetadata geo = getImagePreset().mGeoData;
mToScreen = geo.getOriginalToScreen(false,
mImageLoader.getOriginalBounds().width(),
mImageLoader.getOriginalBounds().height(), getWidth(), getHeight());
mRotateToScreen = geo.getOriginalToScreen(true,
mImageLoader.getOriginalBounds().width(),
mImageLoader.getOriginalBounds().height(), getWidth(), getHeight());
mRotateToScreen.invert(mToOrig);
mToOrig.invert(mRotateToScreen);
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
calcScreenMapping();
ImageFilterDraw filter = (ImageFilterDraw) getCurrentFilter();
filter.draw(canvas, mRotateToScreen);
}
}
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