1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* Copyright (C) 2013 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.Canvas;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import com.android.gallery3d.filtershow.editors.EditorVignette;
import com.android.gallery3d.filtershow.filters.FilterVignetteRepresentation;
public class ImageVignette extends ImageShow {
private static final String LOGTAG = "ImageVignette";
private FilterVignetteRepresentation mVignetteRep;
private EditorVignette mEditorVignette;
private int mActiveHandle = -1;
EclipseControl mElipse;
public ImageVignette(Context context) {
super(context);
mElipse = new EclipseControl(context);
}
public ImageVignette(Context context, AttributeSet attrs) {
super(context, attrs);
mElipse = new EclipseControl(context);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int mask = event.getActionMasked();
if (mActiveHandle == -1) {
if (MotionEvent.ACTION_DOWN != mask) {
return super.onTouchEvent(event);
}
if (event.getPointerCount() == 1) {
mActiveHandle = mElipse.getCloseHandle(event.getX(), event.getY());
}
if (mActiveHandle == -1) {
return super.onTouchEvent(event);
}
} else {
switch (mask) {
case MotionEvent.ACTION_UP:
mActiveHandle = -1;
break;
case MotionEvent.ACTION_DOWN:
break;
}
}
float x = event.getX();
float y = event.getY();
mElipse.setScrToImageMatrix(getScreenToImageMatrix(true));
boolean didComputeEllipses = false;
switch (mask) {
case (MotionEvent.ACTION_DOWN):
mElipse.actionDown(x, y, mVignetteRep);
break;
case (MotionEvent.ACTION_UP):
case (MotionEvent.ACTION_MOVE):
mElipse.actionMove(mActiveHandle, x, y, mVignetteRep);
setRepresentation(mVignetteRep);
didComputeEllipses = true;
break;
}
if (!didComputeEllipses) {
computeEllipses();
}
invalidate();
return true;
}
public void setRepresentation(FilterVignetteRepresentation vignetteRep) {
mVignetteRep = vignetteRep;
computeEllipses();
}
public void computeEllipses() {
if (mVignetteRep == null) {
return;
}
Matrix toImg = getScreenToImageMatrix(false);
Matrix toScr = new Matrix();
toImg.invert(toScr);
float[] c = new float[] {
mVignetteRep.getCenterX(), mVignetteRep.getCenterY() };
if (Float.isNaN(c[0])) {
float cx = mImageLoader.getOriginalBounds().width() / 2;
float cy = mImageLoader.getOriginalBounds().height() / 2;
float rx = Math.min(cx, cy) * .8f;
float ry = rx;
mVignetteRep.setCenter(cx, cy);
mVignetteRep.setRadius(rx, ry);
c[0] = cx;
c[1] = cy;
toScr.mapPoints(c);
if (getWidth() != 0) {
mElipse.setCenter(c[0], c[1]);
mElipse.setRadius(c[0] * 0.8f, c[1] * 0.8f);
}
} else {
toScr.mapPoints(c);
mElipse.setCenter(c[0], c[1]);
mElipse.setRadius(toScr.mapRadius(mVignetteRep.getRadiusX()),
toScr.mapRadius(mVignetteRep.getRadiusY()));
}
mEditorVignette.commitLocalRepresentation();
}
public void setEditor(EditorVignette editorVignette) {
mEditorVignette = editorVignette;
}
@Override
public void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
computeEllipses();
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mVignetteRep == null) {
return;
}
Matrix toImg = getScreenToImageMatrix(false);
Matrix toScr = new Matrix();
toImg.invert(toScr);
float[] c = new float[] {
mVignetteRep.getCenterX(), mVignetteRep.getCenterY() };
toScr.mapPoints(c);
mElipse.setCenter(c[0], c[1]);
mElipse.setRadius(toScr.mapRadius(mVignetteRep.getRadiusX()),
toScr.mapRadius(mVignetteRep.getRadiusY()));
mElipse.draw(canvas);
}
}
|
