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51 package org.apache.fop.svg;
52
53 import java.util.List  ;
54 import java.util.Map ;
55 import java.util.Iterator ;
56 import java.text.AttributedCharacterIterator ;
57 import java.text.CharacterIterator ;
58
59 import java.awt.Graphics2D ;
60 import java.awt.Font ;
61 import java.awt.Shape ;
62 import java.awt.Paint ;
63 import java.awt.Stroke ;
64 import java.awt.Color ;
65 import java.awt.geom.Point2D ;
66 import java.awt.geom.Rectangle2D ;
67 import java.awt.font.TextAttribute ;
68
69 import org.apache.batik.gvt.TextPainter;
71 import org.apache.batik.gvt.TextNode;
72 import org.apache.batik.gvt.text.GVTAttributedCharacterIterator;
73 import org.apache.batik.gvt.text.Mark;
74 import org.apache.batik.gvt.font.GVTFontFamily;
75 import org.apache.batik.gvt.renderer.StrokingTextPainter;
76 import org.apache.batik.gvt.renderer.StrokingTextPainter;
77
78 import org.apache.fop.layout.FontState;
80 import org.apache.fop.layout.FontInfo;
81
82
88 public class PDFTextPainter implements TextPainter {
89 FontState fontState;
90
91
95 protected static final TextPainter PROXY_PAINTER =
96 StrokingTextPainter.getInstance();
97
98
99 public PDFTextPainter(FontState fs) {
100 fontState = fs;
101 }
102
103
110 public void paint(TextNode node, Graphics2D g2d) {
111 String txt = node.getText();
113 Point2D loc = node.getLocation();
114
127 TextNode.Anchor anchor =
128 (TextNode.Anchor)node.getAttributedCharacterIterator().getAttribute(GVTAttributedCharacterIterator.TextAttribute.ANCHOR_TYPE);
129 if (anchor != null) {
130 }
131
135 paintTextRuns(node.getTextRuns(), g2d, loc);
136
137 }
138
139
140 protected void paintTextRuns(List textRuns, Graphics2D g2d, Point2D loc) {
141 Point2D currentloc = loc;
142 Iterator i = textRuns.iterator();
143 while (i.hasNext()) {
144 StrokingTextPainter.TextRun run =
145 (StrokingTextPainter.TextRun)i.next();
146 currentloc = paintTextRun(run, g2d, currentloc);
147 }
148 }
149
150
151 protected Point2D paintTextRun(StrokingTextPainter.TextRun run, Graphics2D g2d, Point2D loc) {
152 AttributedCharacterIterator aci = run.getACI();
153 return paintACI(aci, g2d, loc);
154 }
155
156
157 protected String getText(AttributedCharacterIterator aci) {
158 StringBuffer sb = new StringBuffer (aci.getEndIndex()-aci.getBeginIndex());
159 for (char c = aci.first(); c != CharacterIterator.DONE; c = aci.next()) {
160 sb.append(c);
161 }
162 return sb.toString();
163 }
164
165
166 protected Point2D paintACI(AttributedCharacterIterator aci, Graphics2D g2d, Point2D loc) {
167 aci.first();
168
169 TextNode.Anchor anchor =
170 (TextNode.Anchor)aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.ANCHOR_TYPE);
171
172 Float xpos =
174 (Float )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.X);
175 Float ypos =
176 (Float )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.Y);
177 Float dxpos =
178 (Float )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.DX);
179 Float dypos =
180 (Float )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.DY);
181 if (xpos != null) loc.setLocation(xpos.doubleValue(), loc.getY());
182 if (ypos != null) loc.setLocation(loc.getX(), ypos.doubleValue());
183 if (dxpos != null) loc.setLocation(loc.getX()+dxpos.doubleValue(), loc.getY());
184 if (dypos != null) loc.setLocation(loc.getX(), loc.getY()+dypos.doubleValue());
185
186 List gvtFonts =
188 (List )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.GVT_FONT_FAMILIES);
189 Paint forg = (Paint )aci.getAttribute(TextAttribute.FOREGROUND);
190 Float size = (Float )aci.getAttribute(TextAttribute.SIZE);
191 if (size == null) {
192 return loc;
193 }
194 Stroke stroke =
195 (Stroke )aci.getAttribute(GVTAttributedCharacterIterator.TextAttribute.STROKE);
196
197 Float posture = (Float )aci.getAttribute(TextAttribute.POSTURE);
198 Float taWeight = (Float )aci.getAttribute(TextAttribute.WEIGHT);
199
200 if (forg instanceof Color ) {
201 g2d.setColor((Color )forg);
202 }
203 g2d.setPaint(forg);
204 g2d.setStroke(stroke);
205
206 String style = ((posture != null) && (posture.floatValue() > 0.0))
207 ? "italic" : "normal";
208 String weight = ((taWeight != null) && (taWeight.floatValue() > 1.0))
209 ? "bold" : "normal";
210
211 FontInfo fi = fontState.getFontInfo();
212 boolean found = false;
213 if (gvtFonts != null) {
214 for (Iterator i = gvtFonts.iterator(); i.hasNext(); ) {
215 GVTFontFamily fam = (GVTFontFamily)i.next();
216 String name = fam.getFamilyName();
217 if (fi.hasFont(name, style, weight)) {
218 try {
219 int fsize = (int)size.floatValue();
220 fontState = new FontState(fontState.getFontInfo(),
221 name, style, weight,
222 fsize * 1000, 0);
223 } catch (org.apache.fop.apps.FOPException fope) {
224 fope.printStackTrace();
225 }
226 found = true;
227 break;
228 }
229 }
230 }
231 if (!found) {
232 try {
233 int fsize = (int)size.floatValue();
234 fontState = new FontState(fontState.getFontInfo(), "any",
235 style, weight, fsize * 1000, 0);
236 } catch (org.apache.fop.apps.FOPException fope) {
237 fope.printStackTrace();
238 }
239 } else {
240 if(g2d instanceof PDFGraphics2D) {
241 ((PDFGraphics2D)g2d).setOverrideFontState(fontState);
242 }
243 }
244 int fStyle = Font.PLAIN;
245 if (fontState.getFontWeight().equals("bold")) {
246 if (fontState.getFontStyle().equals("italic")) {
247 fStyle = Font.BOLD | Font.ITALIC;
248 } else {
249 fStyle = Font.BOLD;
250 }
251 } else {
252 if (fontState.getFontStyle().equals("italic")) {
253 fStyle = Font.ITALIC;
254 } else {
255 fStyle = Font.PLAIN;
256 }
257 }
258 Font font = new Font (fontState.getFontFamily(), fStyle,
259 (int)(fontState.getFontSize() / 1000));
260
261 g2d.setFont(font);
262
263 String txt = getText(aci);
265 float advance = getStringWidth(txt);
266 float tx = 0;
267 if (anchor != null) {
268 switch (anchor.getType()) {
269 case TextNode.Anchor.ANCHOR_MIDDLE:
270 tx = -advance / 2;
271 break;
272 case TextNode.Anchor.ANCHOR_END:
273 tx = -advance;
274 }
275 }
276 g2d.drawString(txt, (float)(loc.getX() + tx), (float)loc.getY());
278 loc.setLocation(loc.getX()+(double)advance, loc.getY());
279 return loc;
280 }
281
282 private void printAttrs(AttributedCharacterIterator aci) {
283 aci.first();
284 Iterator i = aci.getAttributes().entrySet().iterator();
285 while (i.hasNext()) {
286 Map.Entry entry = (Map.Entry )i.next();
287 if (entry.getValue() != null) System.out.println(entry.getKey()+": "+entry.getValue());
288 }
289 int start = aci.getBeginIndex();
290 System.out.print("AttrRuns: ");
291 while (aci.current() != CharacterIterator.DONE) {
292 int end = aci.getRunLimit();
293 System.out.print(""+(end-start)+", ");
294 aci.setIndex(end);
295 if (start == end) break;
296 start = end;
297 }
298 System.out.println("");
299 }
300
301
302 public float getStringWidth(String str) {
303 float wordWidth = 0;
304 float whitespaceWidth = fontState.width(fontState.mapChar(' '));
305
306 for (int i = 0; i < str.length(); i++) {
307 float charWidth;
308 char c = str.charAt(i);
309 if (!((c == ' ') || (c == '\n') || (c == '\r') || (c == '\t'))) {
310 charWidth = fontState.width(fontState.mapChar(c));
311 if (charWidth <= 0)
312 charWidth = whitespaceWidth;
313 } else {
314 charWidth = whitespaceWidth;
315 }
316 wordWidth += charWidth;
317 }
318 return wordWidth / 1000f;
319 }
320
321 public Mark getMark(TextNode node, int pos, boolean all) {
322 System.out.println("PDFText getMark");
323 return null;
324 }
325
326 public Mark selectAt(double x, double y,
327 TextNode node) {
328 System.out.println("PDFText selectAt");
329 return null;
330 }
331
332 public Mark selectTo(double x, double y, Mark beginMark) {
333 System.out.println("PDFText selectTo");
334 return null;
335 }
336
337 public Mark selectAll(double x, double y,
338 TextNode node) {
339 System.out.println("PDFText selectAll");
340 return null;
341 }
342
343 public Mark selectFirst(TextNode node) {
344 System.out.println("PDFText selectFirst");
345 return null;
346 }
347
348 public Mark selectLast(TextNode node) {
349 System.out.println("PDFText selectLast");
350 return null;
351 }
352
353 public int[] getSelected(Mark start,
354 Mark finish) {
355 System.out.println("PDFText getSelected");
356 return null;
357 }
358
359 public Shape getHighlightShape(Mark beginMark, Mark endMark) {
360 System.out.println("PDFText getHighlightShape");
361 return null;
362 }
363
364 public Rectangle2D getBounds2D(TextNode node) {
365 return PROXY_PAINTER.getBounds2D(node);
366 }
367
368 public Rectangle2D getGeometryBounds(TextNode node) {
369 return PROXY_PAINTER.getGeometryBounds(node);
370 }
371
372 public Shape getOutline(TextNode node) {
373 return PROXY_PAINTER.getOutline(node);
374 }
375
376
377 }
378
379 |
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