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
|
/*
* 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 android.renderscript;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import android.os.Environment;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.util.Log;
import android.util.TypedValue;
/**
* @hide
*
**/
public class Font extends BaseObj {
//These help us create a font by family name
private static final String[] sSansNames = {
"sans-serif", "arial", "helvetica", "tahoma", "verdana"
};
private static final String[] sSerifNames = {
"serif", "times", "times new roman", "palatino", "georgia", "baskerville",
"goudy", "fantasy", "cursive", "ITC Stone Serif"
};
private static final String[] sMonoNames = {
"monospace", "courier", "courier new", "monaco"
};
private static class FontFamily {
String[] mNames;
String mNormalFileName;
String mBoldFileName;
String mItalicFileName;
String mBoldItalicFileName;
}
private static Map<String, FontFamily> sFontFamilyMap;
public enum Style {
NORMAL,
BOLD,
ITALIC,
BOLD_ITALIC;
}
private static void addFamilyToMap(FontFamily family) {
for(int i = 0; i < family.mNames.length; i ++) {
sFontFamilyMap.put(family.mNames[i], family);
}
}
private static void initFontFamilyMap() {
sFontFamilyMap = new HashMap<String, FontFamily>();
FontFamily sansFamily = new FontFamily();
sansFamily.mNames = sSansNames;
sansFamily.mNormalFileName = "DroidSans.ttf";
sansFamily.mBoldFileName = "DroidSans-Bold.ttf";
sansFamily.mItalicFileName = "DroidSans.ttf";
sansFamily.mBoldItalicFileName = "DroidSans-Bold.ttf";
addFamilyToMap(sansFamily);
FontFamily serifFamily = new FontFamily();
serifFamily.mNames = sSerifNames;
serifFamily.mNormalFileName = "DroidSerif-Regular.ttf";
serifFamily.mBoldFileName = "DroidSerif-Bold.ttf";
serifFamily.mItalicFileName = "DroidSerif-Italic.ttf";
serifFamily.mBoldItalicFileName = "DroidSerif-BoldItalic.ttf";
addFamilyToMap(serifFamily);
FontFamily monoFamily = new FontFamily();
monoFamily.mNames = sMonoNames;
monoFamily.mNormalFileName = "DroidSansMono.ttf";
monoFamily.mBoldFileName = "DroidSansMono.ttf";
monoFamily.mItalicFileName = "DroidSansMono.ttf";
monoFamily.mBoldItalicFileName = "DroidSansMono.ttf";
addFamilyToMap(monoFamily);
}
static {
initFontFamilyMap();
}
static String getFontFileName(String familyName, Style style) {
FontFamily family = sFontFamilyMap.get(familyName);
if(family != null) {
switch(style) {
case NORMAL:
return family.mNormalFileName;
case BOLD:
return family.mBoldFileName;
case ITALIC:
return family.mItalicFileName;
case BOLD_ITALIC:
return family.mBoldItalicFileName;
}
}
// Fallback if we could not find the desired family
return "DroidSans.ttf";
}
Font(int id, RenderScript rs) {
super(id, rs);
}
/**
* Takes a specific file name as an argument
*/
static public Font createFromFile(RenderScript rs, Resources res, String path, float pointSize)
throws IllegalArgumentException {
rs.validate();
try {
int dpi = res.getDisplayMetrics().densityDpi;
int fontId = rs.nFontCreateFromFile(path, pointSize, dpi);
if(fontId == 0) {
throw new IllegalStateException("Failed loading a font");
}
Font rsFont = new Font(fontId, rs);
return rsFont;
} catch (Exception e) {
// Ignore
}
return null;
}
static public Font createFromFile(RenderScript rs, Resources res, File path, float pointSize)
throws IllegalArgumentException {
return createFromFile(rs, res, path.getAbsolutePath(), pointSize);
}
static public Font createFromAsset(RenderScript rs, Resources res, AssetManager mgr, String path, float pointSize)
throws IllegalArgumentException {
return null;
}
static public Font createFromResource(RenderScript rs, Resources res, int id, float pointSize)
throws IllegalArgumentException {
return null;
}
/**
* Accepts one of the following family names as an argument
* and will attemp to produce the best match with a system font
* "sans-serif" "arial" "helvetica" "tahoma" "verdana"
* "serif" "times" "times new roman" "palatino" "georgia" "baskerville"
* "goudy" "fantasy" "cursive" "ITC Stone Serif"
* "monospace" "courier" "courier new" "monaco"
* Returns default font if no match could be found
*/
static public Font create(RenderScript rs, Resources res, String familyName, Style fontStyle, float pointSize)
throws IllegalArgumentException {
String fileName = getFontFileName(familyName, fontStyle);
String fontPath = Environment.getRootDirectory().getAbsolutePath();
fontPath += "/fonts/" + fileName;
return createFromFile(rs, res, fontPath, pointSize);
}
}
|
