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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
* Copyright (C) 2008 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.rollo;
import java.io.Writer;
import java.util.ArrayList;
import java.util.concurrent.Semaphore;
import java.lang.Float;
import android.renderscript.RSSurfaceView;
import android.renderscript.RenderScript;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.graphics.PixelFormat;
public class RolloView extends RSSurfaceView {
public RolloView(Context context) {
super(context);
setFocusable(true);
getHolder().setFormat(PixelFormat.TRANSLUCENT);
}
private RenderScript mRS;
private RolloRS mRender;
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
super.surfaceChanged(holder, format, w, h);
mRS = createRenderScript(false);
mRender = new RolloRS();
mRender.init(mRS, getResources(), w, h);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
// break point at here
// this method doesn't work when 'extends View' include 'extends ScrollView'.
return super.onKeyDown(keyCode, event);
}
boolean mControlMode = false;
boolean mZoomMode = false;
boolean mFlingMode = false;
float mFlingX = 0;
float mFlingY = 0;
float mColumn = -1;
float mOldColumn;
float mZoom = 1;
int mIconCount = 29;
int mRows = 4;
int mColumns = (mIconCount + mRows - 1) / mRows;
float mMaxZoom = ((float)mColumns) / 3.f;
void setColumn(boolean clamp)
{
//Log.e("rs", " col = " + Float.toString(mColumn));
float c = mColumn;
if(c > (mColumns -2)) {
c = (mColumns -2);
}
if(c < 0) {
c = 0;
}
mRender.setPosition(c);
if(clamp) {
mColumn = c;
}
}
void computeSelection(float x, float y)
{
float col = mColumn + (x - 0.5f) * 4 + 1.25f;
int iCol = (int)(col + 0.25f);
float row = (y / 0.8f) * mRows;
int iRow = (int)(row - 0.5f);
mRender.setSelected(iCol * mRows + iRow);
}
@Override
public boolean onTouchEvent(MotionEvent ev)
{
boolean ret = true;
int act = ev.getAction();
if (act == ev.ACTION_UP) {
ret = false;
}
float nx = ev.getX() / getWidth();
float ny = ev.getY() / getHeight();
//Log.e("rs", "width=" + Float.toString(getWidth()));
//Log.e("rs", "height=" + Float.toString(getHeight()));
mRender.setTouch(ret);
if((ny > 0.85f) || mControlMode) {
mFlingMode = false;
// Projector control
if((nx > 0.2f) && (nx < 0.8f) || mControlMode) {
if(act != ev.ACTION_UP) {
float zoom = mMaxZoom;
if(mControlMode) {
if(!mZoomMode) {
zoom = 1.f;
}
float dx = nx - mFlingX;
if((ny < 0.9) && mZoomMode) {
zoom = mMaxZoom - ((0.9f - ny) * 10.f);
if(zoom < 1) {
zoom = 1;
mZoomMode = false;
}
mOldColumn = mColumn;
}
mColumn += dx * 4;// * zoom;
if(zoom > 1.01f) {
mColumn += (mZoom - zoom) * (nx - 0.5f) * 4 * zoom;
}
} else {
mOldColumn = mColumn;
mColumn = ((float)mColumns) / 2;
mControlMode = true;
mZoomMode = true;
}
mZoom = zoom;
mFlingX = nx;
mRender.setZoom(zoom);
if(mZoom < 1.01f) {
computeSelection(nx, ny);
}
} else {
mControlMode = false;
mColumn = mOldColumn;
mRender.setZoom(1.f);
mRender.setSelected(-1);
}
} else {
// Do something with corners here....
}
setColumn(true);
} else {
// icon control
if(act != ev.ACTION_UP) {
if(mFlingMode) {
mColumn += (mFlingX - nx) * 4;
setColumn(true);
}
mFlingMode = true;
mFlingX = nx;
mFlingY = ny;
} else {
mFlingMode = false;
mColumn = (float)(java.lang.Math.floor(mColumn * 0.25f + 0.3f) * 4.f) + 1.f;
setColumn(true);
}
}
return ret;
}
@Override
public boolean onTrackballEvent(MotionEvent ev)
{
float x = ev.getX();
float y = ev.getY();
//Float tx = new Float(x);
//Float ty = new Float(y);
//Log.e("rs", "tbe " + tx.toString() + ", " + ty.toString());
return true;
}
}
|
