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1
51 package org.apache.fop.render.svg;
52
53 import org.apache.fop.layout.*;
54 import org.apache.fop.layout.inline.*;
55 import org.apache.fop.datatypes.IDReferences;
56 import org.apache.fop.datatypes.ColorType;
57 import org.apache.fop.image.*;
58 import org.apache.fop.svg.SVGArea;
59 import org.apache.fop.svg.SVGUtilities;
60 import org.apache.fop.apps.FOPException;
61
62 import org.w3c.dom.Node  ;
63 import org.w3c.dom.ProcessingInstruction ;
64 import org.w3c.dom.svg.SVGSVGElement;
65 import org.w3c.dom.svg.SVGDocument;
66 import org.w3c.dom.Document ;
67 import org.w3c.dom.Element ;
68 import org.w3c.dom.DOMImplementation ;
69
70 import org.apache.batik.dom.svg.SVGDOMImplementation;
71 import org.apache.batik.dom.util.XMLSupport;
72 import org.apache.batik.transcoder.svg2svg.SVGTranscoder;
73 import org.apache.batik.transcoder.TranscoderInput;
74 import org.apache.batik.transcoder.TranscoderOutput;
75 import org.apache.batik.transcoder.TranscoderException;
76
77 import java.awt.Color ;
78 import java.awt.Image ;
79 import java.awt.image.BufferedImage ;
80 import java.awt.geom.Rectangle2D ;
81 import java.util.Map ;
82 import java.net.URL ;
83 import java.net.MalformedURLException ;
84 import java.io.OutputStream ;
85 import java.io.IOException ;
86 import java.io.OutputStreamWriter ;
87 import javax.swing.ImageIcon ;
88
89 import org.apache.fop.render.AbstractRenderer;
90
91 public class SVGRenderer extends AbstractRenderer {
92 static final String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
93 Document svgDocument;
94 Element svgRoot;
95 Element currentPageG = null;
96 Element lastLink = null;
97
98 float totalWidth = 0;
99 float totalHeight = 0;
100
101 protected int pageWidth = 0;
102 protected int pageHeight = 0;
103 protected int pageNumber = 0;
104
105 protected Map fontNames = new java.util.HashMap ();
106 protected Map fontStyles = new java.util.HashMap ();
107 protected Color saveColor = null;
108
109
112 protected String currentFontName;
113
114
117 protected int currentFontSize;
118
119
122 protected float currentRed = 0;
123 protected float currentGreen = 0;
124 protected float currentBlue = 0;
125
126
129 protected java.util.Map options;
130
131
134 public void setOptions(java.util.Map options) {
135 this.options = options;
136 }
137
138 public SVGRenderer() {
139 }
140
141
153 protected void addLine(int x1, int y1, int x2, int y2, int th, float r,
154 float g, float b) {
155 Element line = SVGUtilities.createLine(svgDocument, x1 / 1000f, pageHeight - (y1 / 1000f), x2 / 1000f, pageHeight - (y2 / 1000f));
156 line.setAttributeNS(null, "style", "stroke-width:" + (Math.abs(th) / 1000f)
157 + ";stroke:rgb(" + ((int)(255 * r)) + "," + ((int)(255 * g)) + "," + ((int)(255 * b)) + ")");
158 currentPageG.appendChild(line);
159 }
160
161
172 protected void addRect(int x, int y, int w, int h, float r, float g,
173 float b) {
174 Element rect = SVGUtilities.createRect(svgDocument, x / 1000f, pageHeight - (y / 1000f), w / 1000f, h / 1000f);
175 rect.setAttributeNS(null, "style", "stroke:rgb(" + ((int)(255 * r)) + "," + ((int)(255 * g)) + "," + ((int)(255 * b)) + ")");
176 currentPageG.appendChild(rect);
177 }
178
179
193 protected void addRect(int x, int y, int w, int h, float r, float g,
194 float b, float fr, float fg, float fb) {
195 Element rect = SVGUtilities.createRect(svgDocument, x / 1000f, pageHeight - (y / 1000f), w / 1000f, h / 1000f);
196 rect.setAttributeNS(null, "style", "stroke:rgb(" + ((int)(255 * r)) + "," + ((int)(255 * g)) + "," + ((int)(255 * b)) + ");fill:rgb(" + ((int)(255 * fr)) + "," + ((int)(255 * fg)) + "," + ((int)(255 * fb)) + ")");
197 currentPageG.appendChild(rect);
198 }
199
200
209 protected void addRect(int x, int y, int w, int h,
210 boolean drawAsOutline) {
211 int startx = (x + 500) / 1000;
212 int starty = pageHeight - ((y + 500) / 1000);
213 int endx = (x + w + 500) / 1000;
214 int endy = pageHeight - ((y + h + 500) / 1000);
215 if (drawAsOutline) {
216 Element rect = SVGUtilities.createRect(svgDocument, startx, starty, endx - startx, endy - starty);
217 rect.setAttributeNS(null, "style", "fill:none");
218 currentPageG.appendChild(rect);
219 } else {
220 Element rect = SVGUtilities.createRect(svgDocument, startx, starty, endx - startx, starty - endy);
221 rect.setAttributeNS(null, "style", "stroke:none");
222 currentPageG.appendChild(rect);
223 }
224 }
225
226 protected void addFilledRect(int x, int y, int w, int h,
227 ColorType col) {
228 float r = col.red();
229 float g = col.green();
230 float b = col.blue();
231 addRect(x, y, w, h, r, g, b, r, g, b);
232 }
233
234 protected void drawFrame() {
235 int width = pageWidth;
236 int height = pageHeight;
237 Element rect = SVGUtilities.createRect(svgDocument, 0, 0, width, height);
238 rect.setAttributeNS(null, "style", "fill:none;stroke:black");
239 currentPageG.appendChild(rect);
240 }
241
242 public void render(Page page, OutputStream stream)
243 throws IOException {
244 pageNumber++;
245 this.render(page);
246 }
247
248 public void render(Page page)
249 throws IOException {
250 idReferences = page.getIDReferences();
251
252 int lastWidth = pageWidth;
253 int lastHeight = pageHeight;
254
255 pageWidth = (int)((float)page.getWidth() / 1000f + .5);
256 pageHeight = (int)((float)page.getHeight() / 1000f + .5);
257
258 if(lastLink != null && currentPageG != null) {
259 lastLink.setAttributeNS(null, "xlink:href", "#svgView(viewBox(0, "+ (totalHeight) + ", " + pageWidth + ", " + pageHeight + "))");
260 currentPageG.appendChild(lastLink);
261 }
262
263 totalHeight += pageHeight;
264 if(totalWidth < pageWidth) {
265 totalWidth = pageWidth;
266 }
267
268 currentPageG = SVGUtilities.createG(svgDocument);
269 currentPageG.setAttributeNS(null, "id", "Page-" + pageNumber);
270 currentPageG.setAttributeNS(null, "style", "font-family:sanserif;font-size:12");
271 svgRoot.appendChild(currentPageG);
272
273 drawFrame();
274
275 renderPage(page);
276
277 currentPageG.setAttributeNS(null, "transform", "translate(0," + (totalHeight - pageHeight) + ")");
278
279 Element lastPageLink = svgDocument.createElementNS(svgNS, "a");
280 if(lastLink != null) {
281 lastPageLink.setAttributeNS(null, "xlink:href", "#svgView(viewBox(0, " + (totalHeight - pageHeight - lastHeight) + ", " + lastWidth + ", " + lastHeight + "))");
282 } else {
283 lastPageLink.setAttributeNS(null, "xlink:href", "#svgView(viewBox(0, " + (totalHeight - pageHeight) + ", " + pageWidth + ", " + pageHeight + "))");
284 }
285 currentPageG.appendChild(lastPageLink);
286 Element rect = SVGUtilities.createRect(svgDocument, 0, 0, pageWidth / 2, pageHeight);
287 rect.setAttributeNS(null, "style", "fill:blue;visibility:hidden");
288 lastPageLink.appendChild(rect);
289
290 lastLink = svgDocument.createElementNS(svgNS, "a");
291 rect = SVGUtilities.createRect(svgDocument, pageWidth / 2, 0, pageWidth / 2, pageHeight);
292 rect.setAttributeNS(null, "style", "fill:blue;visibility:hidden");
293 lastLink.appendChild(rect);
294
295
300
301 }
302
303 public void renderPage(Page page) {
304
305 this.currentFontName = "";
306 this.currentFontSize = 0;
307
308 renderRegions(page);
309 }
310
311 protected void doFrame(org.apache.fop.layout.Area area) {
312 int w, h;
313 int rx = this.currentAreaContainerXPosition;
314 w = area.getContentWidth();
315
316 if (area instanceof BlockArea) {
317 rx += ((BlockArea)area).getStartIndent();
318 }
319
320 h = area.getContentHeight();
321 int ry = this.currentYPosition;
322
323 rx = rx - area.getPaddingLeft();
324 ry = ry + area.getPaddingTop();
325 w = w + area.getPaddingLeft() + area.getPaddingRight();
326 h = h + area.getPaddingTop() + area.getPaddingBottom();
327
328 doBackground(area, rx, ry, w, h);
329
330 rx = rx - area.getBorderLeftWidth();
331 ry = ry + area.getBorderTopWidth();
332 w = w + area.getBorderLeftWidth() + area.getBorderRightWidth();
333 h = h + area.getBorderTopWidth() + area.getBorderBottomWidth();
334
335 BorderAndPadding bp = area.getBorderAndPadding();
336 ColorType borderColor;
337
338 if (area.getBorderTopWidth() != 0) {
339 borderColor = bp.getBorderColor(BorderAndPadding.TOP);
340 addLine(rx, ry, rx + w, ry, area.getBorderTopWidth(),
341 borderColor.red(), borderColor.green(),
342 borderColor.blue());
343 }
344
345 if (area.getBorderLeftWidth() != 0) {
346 borderColor = bp.getBorderColor(BorderAndPadding.LEFT);
347 addLine(rx, ry, rx, ry - h, area.getBorderLeftWidth(),
348 borderColor.red(), borderColor.green(),
349 borderColor.blue());
350 }
351
352 if (area.getBorderRightWidth() != 0) {
353 borderColor = bp.getBorderColor(BorderAndPadding.RIGHT);
354 addLine(rx + w, ry, rx + w, ry - h,
355 area.getBorderRightWidth(), borderColor.red(),
356 borderColor.green(),
357 borderColor.blue());
358 }
359
360 if (area.getBorderBottomWidth() != 0) {
361 borderColor = bp.getBorderColor(BorderAndPadding.BOTTOM);
362 addLine(rx, ry - h, rx + w, ry - h, area.getBorderBottomWidth(),
363 borderColor.red(), borderColor.green(),
364 borderColor.blue());
365 }
366 }
367
368 protected Rectangle2D getBounds(org.apache.fop.layout.Area a) {
369 return new Rectangle2D.Double (currentAreaContainerXPosition,
370 currentYPosition,
371 a.getAllocationWidth(), a.getHeight());
372 }
373
374 public void setupFontInfo(FontInfo fontInfo) throws FOPException {
375 BufferedImage fontImage =
377 new BufferedImage (100, 100, BufferedImage.TYPE_INT_RGB);
378 org.apache.fop.render.awt.FontSetup.setup(fontInfo, fontImage.createGraphics());
379 }
380
381 public void renderDisplaySpace(DisplaySpace space) {
382 int d = space.getSize();
383 this.currentYPosition -= d;
384 }
385
386
399 protected void drawImageScaled(int x, int y, int w, int h,
400 FopImage image,
401 FontState fs) {
402 }
404
405
418 protected void drawImageClipped(int x, int y,
419 int clipX, int clipY,
420 int clipW, int clipH,
421 FopImage image,
422 FontState fs) {
423 }
425
426 public void renderImageArea(ImageArea area) {
427
428 int x = currentXPosition + area.getXOffset();
429 int y = currentYPosition;
430 int w = area.getContentWidth();
431 int h = area.getHeight();
432 this.currentYPosition -= h;
433
434 FopImage img = area.getImage();
435
436 if (img == null) {
437 log.error("Error while loading image : area.getImage() is null");
438
439 addRect(x, y, w, h, true);
441 } else {
442 if (img instanceof SVGImage) {
443 try {
444 SVGDocument svg = ((SVGImage)img).getSVGDocument();
445 renderSVGDocument(svg, x / 1000f, pageHeight - y / 1000f);
446 } catch (FopImageException e) {}
447
448 } else {
449
450 String urlString = img.getURL();
451 try {
452 URL url = new URL (urlString);
453
454 ImageIcon icon = new ImageIcon (url);
455 Image image = icon.getImage();
456
457 int startx = (x + 500) / 1000;
458 int starty = pageHeight - ((y + 500) / 1000);
459 int endx = (x + w + 500) / 1000;
460 int endy = pageHeight - ((y + h + 500) / 1000);
461
462
466 } catch (MalformedURLException mue) {
467 }
470 }
471 }
472
473 this.currentXPosition += area.getContentWidth();
474 }
475
476 public void renderWordArea(WordArea area) {
477 char ch;
478 StringBuffer pdf = new StringBuffer ();
479
480 String name = area.getFontState().getFontFamily();
481 int size = area.getFontState().getFontSize();
482 boolean underlined = area.getUnderlined();
483
484 float red = area.getRed();
485 float green = area.getGreen();
486 float blue = area.getBlue();
487
488 if ((!name.equals(this.currentFontName))
489 || (size != this.currentFontSize)) {
490 this.currentFontName = name;
491 this.currentFontSize = size;
492 }
493
494 if ((red != this.currentRed) || (green != this.currentGreen)
495 || (blue != this.currentBlue)) {
496 this.currentRed = red;
497 this.currentGreen = green;
498 this.currentBlue = blue;
499 }
500
501 int rx = this.currentXPosition;
502 int bl = this.currentYPosition;
503
504 String s = area.getText();
505
506 if (saveColor != null) {
507 if (saveColor.getRed() != red || saveColor.getGreen() != green
508 || saveColor.getBlue() != blue) {
509 saveColor = new Color (red, green, blue);
510 }
511 } else {
512 saveColor = new Color (red, green, blue);
513 }
514
515 Element text = SVGUtilities.createText(svgDocument, rx / 1000f, pageHeight - bl / 1000f, s);
516 String st = null;
517 if(!"sans-serif".equals(this.currentFontName)) {
518 st = "font-family:" + this.currentFontName;
519 }
520 if(this.currentFontSize != 12000) {
521 if(st == null) {
522 st = "";
523 } else {
524 st += ";";
525 }
526 st += "font-size:" + (this.currentFontSize / 1000f);
527 }
528 if(red != 0 || green != 0 || blue != 0) {
529 if(st == null) {
530 st = "";
531 } else {
532 st += ";";
533 }
534 st += "fill:rgb(" + ((int)(255 * red)) + "," + ((int)(255 * green)) + "," + ((int)(255 * blue)) + ")";
535 }
536 String fweight = area.getFontState().getFontWeight();
537 if(!"normal".equals(fweight)) {
538 if(st == null) {
539 st = "";
540 } else {
541 st += ";";
542 }
543 st += "font-weight:" + fweight;
544 }
545 String fstyle = area.getFontState().getFontStyle();
546 if(!"normal".equals(fstyle)) {
547 if(st == null) {
548 st = "";
549 } else {
550 st += ";";
551 }
552 st += "font-style:" + fstyle;
553 }
554
555 if(st != null) {
556 text.setAttributeNS(null, "style", st);
557 }
558 currentPageG.appendChild(text);
559
560 this.currentXPosition += area.getContentWidth();
561 }
562
563 public void renderInlineSpace(InlineSpace space) {
564 this.currentXPosition += space.getSize();
565 }
566
567
571 public void renderLeaderArea(LeaderArea area) {
572
573 int rx = this.currentXPosition;
574 int ry = this.currentYPosition;
575 int w = area.getLeaderLength();
576 int h = area.getHeight();
577 int th = area.getRuleThickness();
578 int st = area.getRuleStyle(); float r = area.getRed();
580 float g = area.getGreen();
581 float b = area.getBlue();
582
583
585 addRect(rx, ry, w, th, false);
586
587 this.currentXPosition += area.getContentWidth();
588 }
589
590 public void renderSVGArea(SVGArea area) {
591
592 float x = this.currentXPosition / 1000f;
593 float y = pageHeight - this.currentYPosition / 1000f;
594 int w = area.getContentWidth();
595 int h = area.getHeight();
596
597 Document doc = area.getSVGDocument();
598 renderSVGDocument(doc, x, y);
599 this.currentXPosition += area.getContentWidth();
600 }
601
602 protected void renderSVGDocument(Document doc, float x, float y) {
603 SVGSVGElement svg = ((SVGDocument)doc).getRootElement();
604 Element view = svgDocument.createElementNS(svgNS, "svg");
605 Node newsvg = svgDocument.importNode(svg, true);
606 view.setAttributeNS(null, "x", "" + x);
608 view.setAttributeNS(null, "y", "" + y);
609
610 Element ele = (Element)newsvg;
612 ele.setAttributeNS(XMLSupport.XMLNS_NAMESPACE_URI, "xmlns", svgNS);
613 if(ele.hasAttributeNS(null, "xmlns")) {
614 ele.removeAttributeNS(null, "xmlns");
615 }
616
617 view.appendChild(newsvg);
618 currentPageG.appendChild(view);
619 }
620
621 public void setProducer(String producer) {
622 }
624
625 public static Color colorType2Color(ColorType ct) {
626 if (ct == null) {
627 return null;
628 }
629 return new Color (ct.red(), ct.green(), ct.blue());
630 }
631
632 public void renderForeignObjectArea(ForeignObjectArea area) {
633 area.getObject().render(this);
634 }
635
636 public void startRenderer(OutputStream outputStream)
637 throws IOException {
638 DOMImplementation impl = SVGDOMImplementation.getDOMImplementation();
639 svgDocument = impl.createDocument(svgNS, "svg", null);
640 ProcessingInstruction pi =
641 svgDocument.createProcessingInstruction(
642 "xml",
643 " version=\"1.0\" encoding=\"ISO-8859-1\"");
644 svgRoot = svgDocument.getDocumentElement();
645 svgDocument.insertBefore(pi, svgRoot);
646 }
647
648 public void stopRenderer(OutputStream outputStream)
649 throws IOException {
650 svgRoot.setAttributeNS(null, "width", "" + totalWidth);
651 svgRoot.setAttributeNS(null, "height", "" + totalHeight);
652 SVGTranscoder svgT = new SVGTranscoder();
654 TranscoderInput input = new TranscoderInput(svgDocument);
655 TranscoderOutput output = new TranscoderOutput(new OutputStreamWriter (outputStream));
656 try {
657 svgT.transcode(input, output);
658 } catch(TranscoderException e) {
659 log.error("could not write svg file :" + e.getMessage(), e);
660 }
661 outputStream.flush();
662
663 svgDocument = null;
664 svgRoot = null;
665 currentPageG = null;
666 lastLink = null;
667
668 totalWidth = 0;
669 totalHeight = 0;
670
671 pageNumber = 0;
672 }
673
674 }
675 |
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