source: josm/trunk/src/com/kitfox/svg/ImageSVG.java@ 14331

Last change on this file since 14331 was 14328, checked in by Don-vip, 6 years ago

see #14319, see #16838 - update to svgSalamander 1.1.2
  • Property svn:eol-style set to native
File size: 10.7 KB
Line 
1/*
2 * SVG Salamander
3 * Copyright (c) 2004, Mark McKay
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or
7 * without modification, are permitted provided that the following
8 * conditions are met:
9 *
10 * - Redistributions of source code must retain the above
11 * copyright notice, this list of conditions and the following
12 * disclaimer.
13 * - Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials
16 * provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29 * OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
32 * projects can be found at http://www.kitfox.com
33 *
34 * Created on February 20, 2004, 10:00 PM
35 */
36package com.kitfox.svg;
37
38import com.kitfox.svg.app.data.Handler;
39import com.kitfox.svg.xml.StyleAttribute;
40import java.awt.AlphaComposite;
41import java.awt.Composite;
42import java.awt.Graphics2D;
43import java.awt.geom.AffineTransform;
44import java.awt.geom.Point2D;
45import java.awt.geom.Rectangle2D;
46import java.awt.image.BufferedImage;
47import java.net.URI;
48import java.net.URL;
49import java.util.List;
50import java.util.logging.Level;
51import java.util.logging.Logger;
52
53/**
54 * Implements an image.
55 *
56 * @author Mark McKay
57 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
58 */
59public class ImageSVG extends RenderableElement
60{
61 public static final String TAG_NAME = "image";
62
63 float x = 0f;
64 float y = 0f;
65 float width = 0f;
66 float height = 0f;
67// BufferedImage href = null;
68 URL imageSrc = null;
69 AffineTransform xform;
70 Rectangle2D bounds;
71
72 /**
73 * Creates a new instance of Font
74 */
75 public ImageSVG()
76 {
77 }
78
79 @Override
80 public String getTagName()
81 {
82 return TAG_NAME;
83 }
84
85 @Override
86 protected void build() throws SVGException
87 {
88 super.build();
89
90 StyleAttribute sty = new StyleAttribute();
91
92 if (getPres(sty.setName("x")))
93 {
94 x = sty.getFloatValueWithUnits();
95 }
96
97 if (getPres(sty.setName("y")))
98 {
99 y = sty.getFloatValueWithUnits();
100 }
101
102 if (getPres(sty.setName("width")))
103 {
104 width = sty.getFloatValueWithUnits();
105 }
106
107 if (getPres(sty.setName("height")))
108 {
109 height = sty.getFloatValueWithUnits();
110 }
111
112 try
113 {
114 if (getPres(sty.setName("xlink:href")))
115 {
116 URI src = sty.getURIValue(getXMLBase());
117 if ("data".equals(src.getScheme()))
118 {
119 imageSrc = new URL(null, src.toASCIIString(), new Handler());
120 }
121 else
122 {
123 if (!diagram.getUniverse().isImageDataInlineOnly())
124 {
125 try
126 {
127 imageSrc = src.toURL();
128 } catch (Exception e)
129 {
130 Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING,
131 "Could not parse xlink:href " + src, e);
132 imageSrc = null;
133 }
134 }
135 }
136 }
137 } catch (Exception e)
138 {
139 throw new SVGException(e);
140 }
141
142 diagram.getUniverse().registerImage(imageSrc);
143
144 //Set widths if not set
145 BufferedImage img = diagram.getUniverse().getImage(imageSrc);
146 if (img == null)
147 {
148 xform = new AffineTransform();
149 bounds = new Rectangle2D.Float();
150 return;
151 }
152
153 if (width == 0)
154 {
155 width = img.getWidth();
156 }
157 if (height == 0)
158 {
159 height = img.getHeight();
160 }
161
162 //Determine image xform
163 xform = new AffineTransform();
164 xform.translate(this.x, this.y);
165 xform.scale(this.width / img.getWidth(), this.height / img.getHeight());
166
167 bounds = new Rectangle2D.Float(this.x, this.y, this.width, this.height);
168 }
169
170 public float getX()
171 {
172 return x;
173 }
174
175 public float getY()
176 {
177 return y;
178 }
179
180 public float getWidth()
181 {
182 return width;
183 }
184
185 public float getHeight()
186 {
187 return height;
188 }
189
190 @Override
191 void pick(Point2D point, boolean boundingBox, List<List<SVGElement>> retVec) throws SVGException
192 {
193 if (getBoundingBox().contains(point))
194 {
195 retVec.add(getPath(null));
196 }
197 }
198
199 @Override
200 void pick(Rectangle2D pickArea, AffineTransform ltw, boolean boundingBox, List<List<SVGElement>> retVec) throws SVGException
201 {
202 if (ltw.createTransformedShape(getBoundingBox()).intersects(pickArea))
203 {
204 retVec.add(getPath(null));
205 }
206 }
207
208 @Override
209 public void render(Graphics2D g) throws SVGException
210 {
211 StyleAttribute styleAttrib = new StyleAttribute();
212 if (getStyle(styleAttrib.setName("visibility")))
213 {
214 if (!styleAttrib.getStringValue().equals("visible"))
215 {
216 return;
217 }
218 }
219
220 if (getStyle(styleAttrib.setName("display")))
221 {
222 if (styleAttrib.getStringValue().equals("none"))
223 {
224 return;
225 }
226 }
227
228 beginLayer(g);
229
230 float opacity = 1f;
231 if (getStyle(styleAttrib.setName("opacity")))
232 {
233 opacity = styleAttrib.getRatioValue();
234 }
235
236 if (opacity <= 0)
237 {
238 return;
239 }
240
241 Composite oldComp = null;
242
243 if (opacity < 1)
244 {
245 oldComp = g.getComposite();
246 Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity);
247 g.setComposite(comp);
248 }
249
250 BufferedImage img = diagram.getUniverse().getImage(imageSrc);
251 if (img == null)
252 {
253 return;
254 }
255
256 AffineTransform curXform = g.getTransform();
257 g.transform(xform);
258
259 g.drawImage(img, 0, 0, null);
260
261 g.setTransform(curXform);
262 if (oldComp != null)
263 {
264 g.setComposite(oldComp);
265 }
266
267 finishLayer(g);
268 }
269
270 @Override
271 public Rectangle2D getBoundingBox()
272 {
273 return boundsToParent(bounds);
274 }
275
276 /**
277 * Updates all attributes in this diagram associated with a time event. Ie,
278 * all attributes with track information.
279 *
280 * @return - true if this node has changed state as a result of the time
281 * update
282 */
283 @Override
284 public boolean updateTime(double curTime) throws SVGException
285 {
286// if (trackManager.getNumTracks() == 0) return false;
287 boolean changeState = super.updateTime(curTime);
288
289 //Get current values for parameters
290 StyleAttribute sty = new StyleAttribute();
291 boolean shapeChange = false;
292
293 if (getPres(sty.setName("x")))
294 {
295 float newVal = sty.getFloatValueWithUnits();
296 if (newVal != x)
297 {
298 x = newVal;
299 shapeChange = true;
300 }
301 }
302
303 if (getPres(sty.setName("y")))
304 {
305 float newVal = sty.getFloatValueWithUnits();
306 if (newVal != y)
307 {
308 y = newVal;
309 shapeChange = true;
310 }
311 }
312
313 if (getPres(sty.setName("width")))
314 {
315 float newVal = sty.getFloatValueWithUnits();
316 if (newVal != width)
317 {
318 width = newVal;
319 shapeChange = true;
320 }
321 }
322
323 if (getPres(sty.setName("height")))
324 {
325 float newVal = sty.getFloatValueWithUnits();
326 if (newVal != height)
327 {
328 height = newVal;
329 shapeChange = true;
330 }
331 }
332
333 try
334 {
335 if (getPres(sty.setName("xlink:href")))
336 {
337 URI src = sty.getURIValue(getXMLBase());
338
339 URL newVal;
340 if ("data".equals(src.getScheme()))
341 {
342 newVal = new URL(null, src.toASCIIString(), new Handler());
343 } else
344 {
345 newVal = src.toURL();
346 }
347
348 if (!newVal.equals(imageSrc))
349 {
350 imageSrc = newVal;
351 shapeChange = true;
352 }
353 }
354 } catch (IllegalArgumentException ie)
355 {
356 Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING,
357 "Image provided with illegal value for href: \""
358 + sty.getStringValue() + '"', ie);
359 } catch (Exception e)
360 {
361 Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING,
362 "Could not parse xlink:href", e);
363 }
364
365
366 if (shapeChange)
367 {
368 build();
369// diagram.getUniverse().registerImage(imageSrc);
370//
371// //Set widths if not set
372// BufferedImage img = diagram.getUniverse().getImage(imageSrc);
373// if (img == null)
374// {
375// xform = new AffineTransform();
376// bounds = new Rectangle2D.Float();
377// }
378// else
379// {
380// if (width == 0) width = img.getWidth();
381// if (height == 0) height = img.getHeight();
382//
383// //Determine image xform
384// xform = new AffineTransform();
385//// xform.setToScale(this.width / img.getWidth(), this.height / img.getHeight());
386//// xform.translate(this.x, this.y);
387// xform.translate(this.x, this.y);
388// xform.scale(this.width / img.getWidth(), this.height / img.getHeight());
389//
390// bounds = new Rectangle2D.Float(this.x, this.y, this.width, this.height);
391// }
392//
393// return true;
394 }
395
396 return changeState || shapeChange;
397 }
398}
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