Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Font |
|
| 1.6666666666666667;1,667 | ||||
Font$TextExtents |
|
| 1.6666666666666667;1,667 |
1 | package org.apache.maven.doxia.module.rtf; | |
2 | ||
3 | /* | |
4 | * Licensed to the Apache Software Foundation (ASF) under one | |
5 | * or more contributor license agreements. See the NOTICE file | |
6 | * distributed with this work for additional information | |
7 | * regarding copyright ownership. The ASF licenses this file | |
8 | * to you under the Apache License, Version 2.0 (the | |
9 | * "License"); you may not use this file except in compliance | |
10 | * with the License. You may obtain a copy of the License at | |
11 | * | |
12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
13 | * | |
14 | * Unless required by applicable law or agreed to in writing, | |
15 | * software distributed under the License is distributed on an | |
16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
17 | * KIND, either express or implied. See the License for the | |
18 | * specific language governing permissions and limitations | |
19 | * under the License. | |
20 | */ | |
21 | ||
22 | /** | |
23 | * A basic font descriptor using standard PostScript font metrics to compute | |
24 | * text extents. All dimensions returned are in twips. | |
25 | * | |
26 | * @version $Id: Font.java 703397 2008-10-10 11:01:15Z vsiveton $ | |
27 | */ | |
28 | class Font | |
29 | { | |
30 | private int size; | |
31 | ||
32 | private FontMetrics metrics; | |
33 | ||
34 | Font( int style, int size /*pts*/ ) | |
35 | throws Exception | |
36 | 14 | { |
37 | 14 | this.size = size; |
38 | 14 | metrics = FontMetrics.find( style ); |
39 | 14 | } |
40 | ||
41 | int ascent() | |
42 | { | |
43 | 0 | return toTwips( metrics.ascent ); |
44 | } | |
45 | ||
46 | int descent() | |
47 | { | |
48 | 0 | return toTwips( metrics.descent ); |
49 | } | |
50 | ||
51 | TextExtents textExtents( String text ) | |
52 | { | |
53 | int i, n; | |
54 | 86 | int width = 0; |
55 | 86 | int ascent = 0; |
56 | 86 | int descent = 0; |
57 | ||
58 | 612 | for ( i = 0, n = text.length(); i < n; ++i ) |
59 | { | |
60 | 526 | char c = text.charAt( i ); |
61 | 526 | if ( c > 255 ) |
62 | { | |
63 | 0 | c = ' '; |
64 | } | |
65 | 526 | FontMetrics.CharMetrics charMetrics = this.metrics.charMetrics[c]; |
66 | 526 | width += charMetrics.wx; |
67 | 526 | if ( charMetrics.ury > ascent ) |
68 | { | |
69 | 146 | ascent = charMetrics.ury; |
70 | } | |
71 | 526 | if ( charMetrics.lly < descent ) |
72 | { | |
73 | 104 | descent = charMetrics.lly; |
74 | } | |
75 | } | |
76 | ||
77 | 86 | int height = ascent + Math.abs( descent ); |
78 | ||
79 | 86 | return new TextExtents( toTwips( width ), toTwips( height ), toTwips( ascent ) ); |
80 | } | |
81 | ||
82 | private int toTwips( int length ) | |
83 | { | |
84 | 258 | return (int) Math.rint( (double) length * size / 50. ); |
85 | } | |
86 | ||
87 | static class TextExtents | |
88 | { | |
89 | ||
90 | int width; | |
91 | ||
92 | int height; | |
93 | ||
94 | int ascent; | |
95 | ||
96 | TextExtents( int width, int height, int ascent ) | |
97 | 86 | { |
98 | 86 | this.width = width; |
99 | 86 | this.height = height; |
100 | 86 | this.ascent = ascent; |
101 | 86 | } |
102 | ||
103 | } | |
104 | } |