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comparison common/src/main/java/digilib/util/ImageSize.java @ 903:7779b37d1d05

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refactored into maven modules per servlet type. can build servlet-api 2.3 and 3.0 via profile now!
author robcast
date Tue, 26 Apr 2011 20:24:31 +0200
parents servlet/src/main/java/digilib/util/ImageSize.java@ba1eb2d821a2
children
comparison
equal deleted inserted replaced
902:89ba3ffcf552 903:7779b37d1d05
1 /*
2 * ImageSize.java -- digilib image size class.
3 * Digital Image Library servlet components
4 * Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
5 * This program is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
8 * version. Please read license.txt for the full details. A copy of the GPL may
9 * be found at http://www.gnu.org/copyleft/lgpl.html You should have received a
10 * copy of the GNU General Public License along with this program; if not,
11 * write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
12 * Boston, MA 02111-1307 USA Created on 26.08.2003
13 */
14
15 package digilib.util;
16
17 /** Class for image size (width, height).
18 *
19 * A width or height of 0 is treated as a 'wildcard' that matches any size.
20 *
21 * @author casties
22 *
23 */
24 public class ImageSize {
25 public int width;
26 public int height;
27
28 public ImageSize() {
29 super();
30 }
31
32 public ImageSize(int width, int height) {
33 this.width = width;
34 this.height = height;
35 }
36
37 public ImageSize(ImageSize i) {
38 this.width = i.width;
39 this.height = i.height;
40 }
41
42 public void setSize(int width, int height) {
43 this.width = width;
44 this.height = height;
45 }
46
47 /**
48 * Returns if the size of this image is smaller in every dimension than the
49 * other image.
50 *
51 *
52 *
53 * @param is
54 * @return
55 */
56 public boolean isTotallySmallerThan(ImageSize is) {
57 if ((this.width == 0)||(is.width == 0)) {
58 // width wildcard
59 return (this.height <= is.height);
60 }
61 if ((this.height == 0)||(is.height == 0)) {
62 // height wildcard
63 return (this.width <= is.width);
64 }
65 return ((this.width <= is.width)&&(this.height <= is.height));
66 }
67
68 /**
69 * Returns if the size of this image is smaller in at least one dimension
70 * than the other image.
71 *
72 * @param is
73 * @return
74 */
75 public boolean isSmallerThan(ImageSize is) {
76 if ((this.width == 0)||(is.width == 0)) {
77 // width wildcard
78 return (this.height <= is.height);
79 }
80 if ((this.height == 0)||(is.height == 0)) {
81 // height wildcard
82 return (this.width <= is.width);
83 }
84 return ((this.width <= is.width) || (this.height <= is.height));
85 }
86
87 /**
88 * Returns if the size of this image is bigger in every dimension than the
89 * other image.
90 *
91 *
92 *
93 * @param is
94 * @return
95 */
96 public boolean isTotallyBiggerThan(ImageSize is) {
97 if ((this.width == 0)||(is.width == 0)) {
98 // width wildcard
99 return (this.height >= is.height);
100 }
101 if ((this.height == 0)||(is.height == 0)) {
102 // height wildcard
103 return (this.width >= is.width);
104 }
105 return ((this.width >= is.width) && (this.height >= is.height));
106 }
107
108 /**
109 * Returns if the size of this image is bigger in at least one dimension
110 * than the other image.
111 *
112 *
113 *
114 * @param is
115 * @return
116 */
117 public boolean isBiggerThan(ImageSize is) {
118 if ((this.width == 0)||(is.width == 0)) {
119 // width wildcard
120 return (this.height >= is.height);
121 }
122 if ((this.height == 0)||(is.height == 0)) {
123 // height wildcard
124 return (this.width >= is.width);
125 }
126 return ((this.width >= is.width) || (this.height >= is.height));
127 }
128
129 /**
130 * Returns if this image has the same size or height as the other image.
131 *
132 *
133 *
134 * @param is
135 * @return
136 */
137 public boolean fitsIn(ImageSize is) {
138 if ((this.width == 0)||(is.width == 0)) {
139 // width wildcard
140 return (this.height == is.height);
141 }
142 if ((this.height == 0)||(is.height == 0)) {
143 // height wildcard
144 return (this.width == is.width);
145 }
146 return (
147 (this.width == is.width)
148 && (this.height <= is.height)
149 || (this.width <= is.width)
150 && (this.height == is.height));
151 }
152
153 /**
154 * Returns if the size of this image is the same as the other image.
155 *
156 *
157 *
158 * @param is
159 * @return
160 */
161 public boolean equals(ImageSize is) {
162 if ((this.width == 0)||(is.width == 0)) {
163 // width wildcard
164 return (this.height == is.height);
165 }
166 if ((this.height == 0)||(is.height == 0)) {
167 // height wildcard
168 return (this.width == is.width);
169 }
170 return ((this.width == is.width) && (this.height == is.height));
171 }
172
173 /**
174 * @return
175 */
176 public int getHeight() {
177 return height;
178 }
179
180 /**
181 * @param height
182 */
183 public void setHeight(int height) {
184 this.height = height;
185 }
186
187 /**
188 * @return
189 */
190 public int getWidth() {
191 return width;
192 }
193
194 /**
195 * @param width
196 */
197 public void setWidth(int width) {
198 this.width = width;
199 }
200
201 /**
202 * Returns the aspect ratio.
203 *
204 * Aspect ratio is (width/height). So it's <1 for portrait and >1 for
205 * landscape.
206 *
207 * @return
208 */
209 public float getAspect() {
210 return (height > 0) ? ((float) width / (float) height) : 0;
211 }
212
213 /**
214 * Returns a scaled copy of this image size.
215 *
216 * @param scale
217 * @return
218 */
219 public ImageSize getScaled(float scale) {
220 return new ImageSize((int) (width * scale), (int) (height * scale));
221 }
222
223 /* (non-Javadoc)
224 * @see java.lang.Object#toString()
225 */
226 public String toString() {
227 String s = "[" + width + "x" + height + "]";
228 return s;
229 }
230 }