digilib-old: servlet/src/digilib/image/ImageSize.java annotate

annotate servlet/src/digilib/image/ImageSize.java @ 486:a92f319aec1c

Servlet version 1.16.1 - now with absolute scaling: mo=ascale&scale=X - reworked scale factor and resolution selection so that absolute scale can use prescaled images (osize can do that too) ASSIGNED - # 23: display thumbnails with absolute scaling https://itgroup.mpiwg-berlin.mpg.de:8080/tracs/cdli/ticket/23

author	robcast
date	Sat, 12 May 2007 14:23:34 +0200
parents	eec0d8c9c3c9
children

rev	line source
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	1 /*
458 eec0d8c9c3c9 Servlet version 1.5.9h robcast parents: 293 diff changeset	2 * ImageSize.java -- digilib image size class.
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	3 * Digital Image Library servlet components
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	4 * Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	5 * This program is free software; you can redistribute it and/or modify it under the
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	6 * terms of the GNU General Public License as published by the Free Software
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	7 * Foundation; either version 2 of the License, or (at your option) any later
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	8 * version. Please read license.txt for the full details. A copy of the GPL may
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	9 * be found at http://www.gnu.org/copyleft/lgpl.html You should have received a
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	10 * copy of the GNU General Public License along with this program; if not,
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	11 * write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	12 * Boston, MA 02111-1307 USA Created on 26.08.2003
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	13 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	14
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	15 package digilib.image;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	16
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	17 /** Class for image size (width, height).
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	18 *
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	19 * A width or height of 0 is treated as a 'wildcard' that matches any size.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	20 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	21 * @author casties
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	22 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	23 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	24 public class ImageSize {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	25 public int width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	26 public int height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	27
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	28 public ImageSize() {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	29 super();
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	30 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	31
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	32 public ImageSize(int width, int height) {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	33 this.width = width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	34 this.height = height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	35 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	36
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	37 public ImageSize(ImageSize i) {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	38 this.width = i.width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	39 this.height = i.height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	40 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	41
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	42 public void setSize(int width, int height) {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	43 this.width = width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	44 this.height = height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	45 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	46
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	47 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	48 * Returns if the size of this image is smaller in every dimension than the
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	49 * other image.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	50 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	51 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	52 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	53 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	54 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	55 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	56 public boolean isTotallySmallerThan(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	57 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	58 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	59 return (this.height <= is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	60 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	61 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	62 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	63 return (this.width <= is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	64 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	65 return ((this.width <= is.width)&&(this.height <= is.height));
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	66 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	67
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	68 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	69 * Returns if the size of this image is smaller in at least one dimension
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	70 * than the other image.
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	71 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	72 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	73 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	74 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	75 public boolean isSmallerThan(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	76 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	77 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	78 return (this.height <= is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	79 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	80 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	81 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	82 return (this.width <= is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	83 }
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	84 return ((this.width <= is.width) \|\| (this.height <= is.height));
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	85 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	86
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	87 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	88 * Returns if the size of this image is bigger in every dimension than the
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	89 * other image.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	90 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	91 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	92 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	93 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	94 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	95 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	96 public boolean isTotallyBiggerThan(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	97 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	98 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	99 return (this.height >= is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	100 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	101 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	102 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	103 return (this.width >= is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	104 }
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	105 return ((this.width >= is.width) && (this.height >= is.height));
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	106 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	107
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	108 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	109 * Returns if the size of this image is bigger in at least one dimension
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	110 * than the other image.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	111 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	112 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	113 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	114 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	115 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	116 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	117 public boolean isBiggerThan(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	118 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	119 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	120 return (this.height >= is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	121 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	122 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	123 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	124 return (this.width >= is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	125 }
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	126 return ((this.width >= is.width) \|\| (this.height >= is.height));
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	127 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	128
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	129 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	130 * Returns if this image has the same size or height as the other image.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	131 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	132 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	133 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	134 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	135 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	136 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	137 public boolean fitsIn(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	138 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	139 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	140 return (this.height == is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	141 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	142 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	143 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	144 return (this.width == is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	145 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	146 return (
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	147 (this.width == is.width)
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	148 && (this.height <= is.height)
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	149 \|\| (this.width <= is.width)
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	150 && (this.height == is.height));
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	151 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	152
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	153 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	154 * Returns if the size of this image is the same as the other image.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	155 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	156 *
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	157 *
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	158 * @param is
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	159 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	160 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	161 public boolean equals(ImageSize is) {
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	162 if ((this.width == 0)\|\|(is.width == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	163 // width wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	164 return (this.height == is.height);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	165 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	166 if ((this.height == 0)\|\|(is.height == 0)) {
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	167 // height wildcard
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	168 return (this.width == is.width);
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	169 }
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	170 return ((this.width == is.width) && (this.height == is.height));
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	171 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	172
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	173 /**
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	174 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	175 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	176 public int getHeight() {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	177 return height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	178 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	179
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	180 /**
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	181 * @param height
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	182 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	183 public void setHeight(int height) {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	184 this.height = height;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	185 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	186
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	187 /**
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	188 * @return
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	189 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	190 public int getWidth() {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	191 return width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	192 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	193
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	194 /**
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	195 * @param width
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	196 */
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	197 public void setWidth(int width) {
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	198 this.width = width;
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	199 }
04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	200
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	201 /**
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	202 * Returns the aspect ratio.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	203 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	204 * Aspect ratio is (width/height). So it's <1 for portrait and >1 for
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	205 * landscape.
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	206 *
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	207 * @return
d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	208 */
293 126684ac4a37 Servlet version 1.5.0b -- the beginning of the next generation :-) robcast parents: 258 diff changeset	209 public float getAspect() {
126684ac4a37 Servlet version 1.5.0b -- the beginning of the next generation :-) robcast parents: 258 diff changeset	210 return (height > 0) ? ((float) width / (float) height) : 0;
170 d40922628e4a Servlet Version 1.16b2 with new DigilibParameter code. robcast parents: 159 diff changeset	211 }
258 7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	212
486 a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	213 /**
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	214 * Returns a scaled copy of this image size.
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	215 *
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	216 * @param scale
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	217 * @return
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	218 */
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	219 public ImageSize getScaled(float scale) {
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	220 return new ImageSize((int) (width * scale), (int) (height * scale));
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	221 }
a92f319aec1c Servlet version 1.16.1 robcast parents: 458 diff changeset	222
258 7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	223 /* (non-Javadoc)
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	224 * @see java.lang.Object#toString()
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	225 */
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	226 public String toString() {
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	227 String s = "[" + width + "x" + height + "]";
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	228 return s;
7a89d105f526 nicer ImageSize.toString() robcast parents: 170 diff changeset	229 }
149 04ad64b2137a Servlet version 1.14b1 robcast parents: diff changeset	230 }

Mercurial > hg > digilib-old

annotate servlet/src/digilib/image/ImageSize.java @ 486:a92f319aec1c