Source Code Cross Referenced for MetaDo.java in  » PDF » pdf-itext » com » lowagie » text » pdf » codec » wmf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » pdf itext » com.lowagie.text.pdf.codec.wmf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: MetaDo.java 2752 2007-05-15 14:58:33Z blowagie $
003:         * $Name$
004:         *
005:         * Copyright 2001, 2002 Paulo Soares
006:         *
007:         * The contents of this file are subject to the Mozilla Public License Version 1.1
008:         * (the "License"); you may not use this file except in compliance with the License.
009:         * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010:         *
011:         * Software distributed under the License is distributed on an "AS IS" basis,
012:         * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013:         * for the specific language governing rights and limitations under the License.
014:         *
015:         * The Original Code is 'iText, a free JAVA-PDF library'.
016:         *
017:         * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018:         * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
019:         * All Rights Reserved.
020:         * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021:         * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
022:         *
023:         * Contributor(s): all the names of the contributors are added in the source code
024:         * where applicable.
025:         *
026:         * Alternatively, the contents of this file may be used under the terms of the
027:         * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
028:         * provisions of LGPL are applicable instead of those above.  If you wish to
029:         * allow use of your version of this file only under the terms of the LGPL
030:         * License and not to allow others to use your version of this file under
031:         * the MPL, indicate your decision by deleting the provisions above and
032:         * replace them with the notice and other provisions required by the LGPL.
033:         * If you do not delete the provisions above, a recipient may use your version
034:         * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035:         *
036:         * This library is free software; you can redistribute it and/or modify it
037:         * under the terms of the MPL as stated above or under the terms of the GNU
038:         * Library General Public License as published by the Free Software Foundation;
039:         * either version 2 of the License, or any later version.
040:         *
041:         * This library is distributed in the hope that it will be useful, but WITHOUT
042:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043:         * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044:         * details.
045:         *
046:         * If you didn't download this code from the following link, you should check if
047:         * you aren't using an obsolete version:
048:         * http://www.lowagie.com/iText/
049:         */
050:
051:        package com.lowagie.text.pdf.codec.wmf;
052:
053:        import java.awt.Color;
054:        import java.awt.Point;
055:        import java.io.ByteArrayInputStream;
056:        import java.io.ByteArrayOutputStream;
057:        import java.io.IOException;
058:        import java.io.InputStream;
059:        import java.io.OutputStream;
060:        import java.io.UnsupportedEncodingException;
061:        import java.util.ArrayList;
062:
063:        import com.lowagie.text.DocumentException;
064:        import com.lowagie.text.Image;
065:        import com.lowagie.text.pdf.BaseFont;
066:        import com.lowagie.text.pdf.PdfContentByte;
067:        import com.lowagie.text.pdf.codec.BmpImage;
068:
069:        public class MetaDo {
070:
071:            public static final int META_SETBKCOLOR = 0x0201;
072:            public static final int META_SETBKMODE = 0x0102;
073:            public static final int META_SETMAPMODE = 0x0103;
074:            public static final int META_SETROP2 = 0x0104;
075:            public static final int META_SETRELABS = 0x0105;
076:            public static final int META_SETPOLYFILLMODE = 0x0106;
077:            public static final int META_SETSTRETCHBLTMODE = 0x0107;
078:            public static final int META_SETTEXTCHAREXTRA = 0x0108;
079:            public static final int META_SETTEXTCOLOR = 0x0209;
080:            public static final int META_SETTEXTJUSTIFICATION = 0x020A;
081:            public static final int META_SETWINDOWORG = 0x020B;
082:            public static final int META_SETWINDOWEXT = 0x020C;
083:            public static final int META_SETVIEWPORTORG = 0x020D;
084:            public static final int META_SETVIEWPORTEXT = 0x020E;
085:            public static final int META_OFFSETWINDOWORG = 0x020F;
086:            public static final int META_SCALEWINDOWEXT = 0x0410;
087:            public static final int META_OFFSETVIEWPORTORG = 0x0211;
088:            public static final int META_SCALEVIEWPORTEXT = 0x0412;
089:            public static final int META_LINETO = 0x0213;
090:            public static final int META_MOVETO = 0x0214;
091:            public static final int META_EXCLUDECLIPRECT = 0x0415;
092:            public static final int META_INTERSECTCLIPRECT = 0x0416;
093:            public static final int META_ARC = 0x0817;
094:            public static final int META_ELLIPSE = 0x0418;
095:            public static final int META_FLOODFILL = 0x0419;
096:            public static final int META_PIE = 0x081A;
097:            public static final int META_RECTANGLE = 0x041B;
098:            public static final int META_ROUNDRECT = 0x061C;
099:            public static final int META_PATBLT = 0x061D;
100:            public static final int META_SAVEDC = 0x001E;
101:            public static final int META_SETPIXEL = 0x041F;
102:            public static final int META_OFFSETCLIPRGN = 0x0220;
103:            public static final int META_TEXTOUT = 0x0521;
104:            public static final int META_BITBLT = 0x0922;
105:            public static final int META_STRETCHBLT = 0x0B23;
106:            public static final int META_POLYGON = 0x0324;
107:            public static final int META_POLYLINE = 0x0325;
108:            public static final int META_ESCAPE = 0x0626;
109:            public static final int META_RESTOREDC = 0x0127;
110:            public static final int META_FILLREGION = 0x0228;
111:            public static final int META_FRAMEREGION = 0x0429;
112:            public static final int META_INVERTREGION = 0x012A;
113:            public static final int META_PAINTREGION = 0x012B;
114:            public static final int META_SELECTCLIPREGION = 0x012C;
115:            public static final int META_SELECTOBJECT = 0x012D;
116:            public static final int META_SETTEXTALIGN = 0x012E;
117:            public static final int META_CHORD = 0x0830;
118:            public static final int META_SETMAPPERFLAGS = 0x0231;
119:            public static final int META_EXTTEXTOUT = 0x0a32;
120:            public static final int META_SETDIBTODEV = 0x0d33;
121:            public static final int META_SELECTPALETTE = 0x0234;
122:            public static final int META_REALIZEPALETTE = 0x0035;
123:            public static final int META_ANIMATEPALETTE = 0x0436;
124:            public static final int META_SETPALENTRIES = 0x0037;
125:            public static final int META_POLYPOLYGON = 0x0538;
126:            public static final int META_RESIZEPALETTE = 0x0139;
127:            public static final int META_DIBBITBLT = 0x0940;
128:            public static final int META_DIBSTRETCHBLT = 0x0b41;
129:            public static final int META_DIBCREATEPATTERNBRUSH = 0x0142;
130:            public static final int META_STRETCHDIB = 0x0f43;
131:            public static final int META_EXTFLOODFILL = 0x0548;
132:            public static final int META_DELETEOBJECT = 0x01f0;
133:            public static final int META_CREATEPALETTE = 0x00f7;
134:            public static final int META_CREATEPATTERNBRUSH = 0x01F9;
135:            public static final int META_CREATEPENINDIRECT = 0x02FA;
136:            public static final int META_CREATEFONTINDIRECT = 0x02FB;
137:            public static final int META_CREATEBRUSHINDIRECT = 0x02FC;
138:            public static final int META_CREATEREGION = 0x06FF;
139:
140:            public PdfContentByte cb;
141:            public InputMeta in;
142:            int left;
143:            int top;
144:            int right;
145:            int bottom;
146:            int inch;
147:            MetaState state = new MetaState();
148:
149:            public MetaDo(InputStream in, PdfContentByte cb) {
150:                this .cb = cb;
151:                this .in = new InputMeta(in);
152:            }
153:
154:            public void readAll() throws IOException, DocumentException {
155:                if (in.readInt() != 0x9AC6CDD7) {
156:                    throw new DocumentException(
157:                            "Not a placeable windows metafile");
158:                }
159:                in.readWord();
160:                left = in.readShort();
161:                top = in.readShort();
162:                right = in.readShort();
163:                bottom = in.readShort();
164:                inch = in.readWord();
165:                state.setScalingX((float) (right - left) / (float) inch * 72f);
166:                state.setScalingY((float) (bottom - top) / (float) inch * 72f);
167:                state.setOffsetWx(left);
168:                state.setOffsetWy(top);
169:                state.setExtentWx(right - left);
170:                state.setExtentWy(bottom - top);
171:                in.readInt();
172:                in.readWord();
173:                in.skip(18);
174:
175:                int tsize;
176:                int function;
177:                cb.setLineCap(1);
178:                cb.setLineJoin(1);
179:                for (;;) {
180:                    int lenMarker = in.getLength();
181:                    tsize = in.readInt();
182:                    if (tsize < 3)
183:                        break;
184:                    function = in.readWord();
185:                    switch (function) {
186:                    case 0:
187:                        break;
188:                    case META_CREATEPALETTE:
189:                    case META_CREATEREGION:
190:                    case META_DIBCREATEPATTERNBRUSH:
191:                        state.addMetaObject(new MetaObject());
192:                        break;
193:                    case META_CREATEPENINDIRECT: {
194:                        MetaPen pen = new MetaPen();
195:                        pen.init(in);
196:                        state.addMetaObject(pen);
197:                        break;
198:                    }
199:                    case META_CREATEBRUSHINDIRECT: {
200:                        MetaBrush brush = new MetaBrush();
201:                        brush.init(in);
202:                        state.addMetaObject(brush);
203:                        break;
204:                    }
205:                    case META_CREATEFONTINDIRECT: {
206:                        MetaFont font = new MetaFont();
207:                        font.init(in);
208:                        state.addMetaObject(font);
209:                        break;
210:                    }
211:                    case META_SELECTOBJECT: {
212:                        int idx = in.readWord();
213:                        state.selectMetaObject(idx, cb);
214:                        break;
215:                    }
216:                    case META_DELETEOBJECT: {
217:                        int idx = in.readWord();
218:                        state.deleteMetaObject(idx);
219:                        break;
220:                    }
221:                    case META_SAVEDC:
222:                        state.saveState(cb);
223:                        break;
224:                    case META_RESTOREDC: {
225:                        int idx = in.readShort();
226:                        state.restoreState(idx, cb);
227:                        break;
228:                    }
229:                    case META_SETWINDOWORG:
230:                        state.setOffsetWy(in.readShort());
231:                        state.setOffsetWx(in.readShort());
232:                        break;
233:                    case META_SETWINDOWEXT:
234:                        state.setExtentWy(in.readShort());
235:                        state.setExtentWx(in.readShort());
236:                        break;
237:                    case META_MOVETO: {
238:                        int y = in.readShort();
239:                        Point p = new Point(in.readShort(), y);
240:                        state.setCurrentPoint(p);
241:                        break;
242:                    }
243:                    case META_LINETO: {
244:                        int y = in.readShort();
245:                        int x = in.readShort();
246:                        Point p = state.getCurrentPoint();
247:                        cb.moveTo(state.transformX(p.x), state.transformY(p.y));
248:                        cb.lineTo(state.transformX(x), state.transformY(y));
249:                        cb.stroke();
250:                        state.setCurrentPoint(new Point(x, y));
251:                        break;
252:                    }
253:                    case META_POLYLINE: {
254:                        state.setLineJoinPolygon(cb);
255:                        int len = in.readWord();
256:                        int x = in.readShort();
257:                        int y = in.readShort();
258:                        cb.moveTo(state.transformX(x), state.transformY(y));
259:                        for (int k = 1; k < len; ++k) {
260:                            x = in.readShort();
261:                            y = in.readShort();
262:                            cb.lineTo(state.transformX(x), state.transformY(y));
263:                        }
264:                        cb.stroke();
265:                        break;
266:                    }
267:                    case META_POLYGON: {
268:                        if (isNullStrokeFill(false))
269:                            break;
270:                        int len = in.readWord();
271:                        int sx = in.readShort();
272:                        int sy = in.readShort();
273:                        cb.moveTo(state.transformX(sx), state.transformY(sy));
274:                        for (int k = 1; k < len; ++k) {
275:                            int x = in.readShort();
276:                            int y = in.readShort();
277:                            cb.lineTo(state.transformX(x), state.transformY(y));
278:                        }
279:                        cb.lineTo(state.transformX(sx), state.transformY(sy));
280:                        strokeAndFill();
281:                        break;
282:                    }
283:                    case META_POLYPOLYGON: {
284:                        if (isNullStrokeFill(false))
285:                            break;
286:                        int numPoly = in.readWord();
287:                        int lens[] = new int[numPoly];
288:                        for (int k = 0; k < lens.length; ++k)
289:                            lens[k] = in.readWord();
290:                        for (int j = 0; j < lens.length; ++j) {
291:                            int len = lens[j];
292:                            int sx = in.readShort();
293:                            int sy = in.readShort();
294:                            cb.moveTo(state.transformX(sx), state
295:                                    .transformY(sy));
296:                            for (int k = 1; k < len; ++k) {
297:                                int x = in.readShort();
298:                                int y = in.readShort();
299:                                cb.lineTo(state.transformX(x), state
300:                                        .transformY(y));
301:                            }
302:                            cb.lineTo(state.transformX(sx), state
303:                                    .transformY(sy));
304:                        }
305:                        strokeAndFill();
306:                        break;
307:                    }
308:                    case META_ELLIPSE: {
309:                        if (isNullStrokeFill(state.getLineNeutral()))
310:                            break;
311:                        int b = in.readShort();
312:                        int r = in.readShort();
313:                        int t = in.readShort();
314:                        int l = in.readShort();
315:                        cb.arc(state.transformX(l), state.transformY(b), state
316:                                .transformX(r), state.transformY(t), 0, 360);
317:                        strokeAndFill();
318:                        break;
319:                    }
320:                    case META_ARC: {
321:                        if (isNullStrokeFill(state.getLineNeutral()))
322:                            break;
323:                        float yend = state.transformY(in.readShort());
324:                        float xend = state.transformX(in.readShort());
325:                        float ystart = state.transformY(in.readShort());
326:                        float xstart = state.transformX(in.readShort());
327:                        float b = state.transformY(in.readShort());
328:                        float r = state.transformX(in.readShort());
329:                        float t = state.transformY(in.readShort());
330:                        float l = state.transformX(in.readShort());
331:                        float cx = (r + l) / 2;
332:                        float cy = (t + b) / 2;
333:                        float arc1 = getArc(cx, cy, xstart, ystart);
334:                        float arc2 = getArc(cx, cy, xend, yend);
335:                        arc2 -= arc1;
336:                        if (arc2 <= 0)
337:                            arc2 += 360;
338:                        cb.arc(l, b, r, t, arc1, arc2);
339:                        cb.stroke();
340:                        break;
341:                    }
342:                    case META_PIE: {
343:                        if (isNullStrokeFill(state.getLineNeutral()))
344:                            break;
345:                        float yend = state.transformY(in.readShort());
346:                        float xend = state.transformX(in.readShort());
347:                        float ystart = state.transformY(in.readShort());
348:                        float xstart = state.transformX(in.readShort());
349:                        float b = state.transformY(in.readShort());
350:                        float r = state.transformX(in.readShort());
351:                        float t = state.transformY(in.readShort());
352:                        float l = state.transformX(in.readShort());
353:                        float cx = (r + l) / 2;
354:                        float cy = (t + b) / 2;
355:                        float arc1 = getArc(cx, cy, xstart, ystart);
356:                        float arc2 = getArc(cx, cy, xend, yend);
357:                        arc2 -= arc1;
358:                        if (arc2 <= 0)
359:                            arc2 += 360;
360:                        ArrayList ar = PdfContentByte.bezierArc(l, b, r, t,
361:                                arc1, arc2);
362:                        if (ar.isEmpty())
363:                            break;
364:                        float pt[] = (float[]) ar.get(0);
365:                        cb.moveTo(cx, cy);
366:                        cb.lineTo(pt[0], pt[1]);
367:                        for (int k = 0; k < ar.size(); ++k) {
368:                            pt = (float[]) ar.get(k);
369:                            cb
370:                                    .curveTo(pt[2], pt[3], pt[4], pt[5], pt[6],
371:                                            pt[7]);
372:                        }
373:                        cb.lineTo(cx, cy);
374:                        strokeAndFill();
375:                        break;
376:                    }
377:                    case META_CHORD: {
378:                        if (isNullStrokeFill(state.getLineNeutral()))
379:                            break;
380:                        float yend = state.transformY(in.readShort());
381:                        float xend = state.transformX(in.readShort());
382:                        float ystart = state.transformY(in.readShort());
383:                        float xstart = state.transformX(in.readShort());
384:                        float b = state.transformY(in.readShort());
385:                        float r = state.transformX(in.readShort());
386:                        float t = state.transformY(in.readShort());
387:                        float l = state.transformX(in.readShort());
388:                        float cx = (r + l) / 2;
389:                        float cy = (t + b) / 2;
390:                        float arc1 = getArc(cx, cy, xstart, ystart);
391:                        float arc2 = getArc(cx, cy, xend, yend);
392:                        arc2 -= arc1;
393:                        if (arc2 <= 0)
394:                            arc2 += 360;
395:                        ArrayList ar = PdfContentByte.bezierArc(l, b, r, t,
396:                                arc1, arc2);
397:                        if (ar.isEmpty())
398:                            break;
399:                        float pt[] = (float[]) ar.get(0);
400:                        cx = pt[0];
401:                        cy = pt[1];
402:                        cb.moveTo(cx, cy);
403:                        for (int k = 0; k < ar.size(); ++k) {
404:                            pt = (float[]) ar.get(k);
405:                            cb
406:                                    .curveTo(pt[2], pt[3], pt[4], pt[5], pt[6],
407:                                            pt[7]);
408:                        }
409:                        cb.lineTo(cx, cy);
410:                        strokeAndFill();
411:                        break;
412:                    }
413:                    case META_RECTANGLE: {
414:                        if (isNullStrokeFill(true))
415:                            break;
416:                        float b = state.transformY(in.readShort());
417:                        float r = state.transformX(in.readShort());
418:                        float t = state.transformY(in.readShort());
419:                        float l = state.transformX(in.readShort());
420:                        cb.rectangle(l, b, r - l, t - b);
421:                        strokeAndFill();
422:                        break;
423:                    }
424:                    case META_ROUNDRECT: {
425:                        if (isNullStrokeFill(true))
426:                            break;
427:                        float h = state.transformY(0)
428:                                - state.transformY(in.readShort());
429:                        float w = state.transformX(in.readShort())
430:                                - state.transformX(0);
431:                        float b = state.transformY(in.readShort());
432:                        float r = state.transformX(in.readShort());
433:                        float t = state.transformY(in.readShort());
434:                        float l = state.transformX(in.readShort());
435:                        cb.roundRectangle(l, b, r - l, t - b, (h + w) / 4);
436:                        strokeAndFill();
437:                        break;
438:                    }
439:                    case META_INTERSECTCLIPRECT: {
440:                        float b = state.transformY(in.readShort());
441:                        float r = state.transformX(in.readShort());
442:                        float t = state.transformY(in.readShort());
443:                        float l = state.transformX(in.readShort());
444:                        cb.rectangle(l, b, r - l, t - b);
445:                        cb.eoClip();
446:                        cb.newPath();
447:                        break;
448:                    }
449:                    case META_EXTTEXTOUT: {
450:                        int y = in.readShort();
451:                        int x = in.readShort();
452:                        int count = in.readWord();
453:                        int flag = in.readWord();
454:                        int x1 = 0;
455:                        int y1 = 0;
456:                        int x2 = 0;
457:                        int y2 = 0;
458:                        if ((flag & (MetaFont.ETO_CLIPPED | MetaFont.ETO_OPAQUE)) != 0) {
459:                            x1 = in.readShort();
460:                            y1 = in.readShort();
461:                            x2 = in.readShort();
462:                            y2 = in.readShort();
463:                        }
464:                        byte text[] = new byte[count];
465:                        int k;
466:                        for (k = 0; k < count; ++k) {
467:                            byte c = (byte) in.readByte();
468:                            if (c == 0)
469:                                break;
470:                            text[k] = c;
471:                        }
472:                        String s;
473:                        try {
474:                            s = new String(text, 0, k, "Cp1252");
475:                        } catch (UnsupportedEncodingException e) {
476:                            s = new String(text, 0, k);
477:                        }
478:                        outputText(x, y, flag, x1, y1, x2, y2, s);
479:                        break;
480:                    }
481:                    case META_TEXTOUT: {
482:                        int count = in.readWord();
483:                        byte text[] = new byte[count];
484:                        int k;
485:                        for (k = 0; k < count; ++k) {
486:                            byte c = (byte) in.readByte();
487:                            if (c == 0)
488:                                break;
489:                            text[k] = c;
490:                        }
491:                        String s;
492:                        try {
493:                            s = new String(text, 0, k, "Cp1252");
494:                        } catch (UnsupportedEncodingException e) {
495:                            s = new String(text, 0, k);
496:                        }
497:                        count = (count + 1) & 0xfffe;
498:                        in.skip(count - k);
499:                        int y = in.readShort();
500:                        int x = in.readShort();
501:                        outputText(x, y, 0, 0, 0, 0, 0, s);
502:                        break;
503:                    }
504:                    case META_SETBKCOLOR:
505:                        state.setCurrentBackgroundColor(in.readColor());
506:                        break;
507:                    case META_SETTEXTCOLOR:
508:                        state.setCurrentTextColor(in.readColor());
509:                        break;
510:                    case META_SETTEXTALIGN:
511:                        state.setTextAlign(in.readWord());
512:                        break;
513:                    case META_SETBKMODE:
514:                        state.setBackgroundMode(in.readWord());
515:                        break;
516:                    case META_SETPOLYFILLMODE:
517:                        state.setPolyFillMode(in.readWord());
518:                        break;
519:                    case META_SETPIXEL: {
520:                        Color color = in.readColor();
521:                        int y = in.readShort();
522:                        int x = in.readShort();
523:                        cb.saveState();
524:                        cb.setColorFill(color);
525:                        cb.rectangle(state.transformX(x), state.transformY(y),
526:                                .2f, .2f);
527:                        cb.fill();
528:                        cb.restoreState();
529:                        break;
530:                    }
531:                    case META_DIBSTRETCHBLT:
532:                    case META_STRETCHDIB: {
533:                        int rop = in.readInt();
534:                        if (function == META_STRETCHDIB) {
535:                            /*int usage = */in.readWord();
536:                        }
537:                        int srcHeight = in.readShort();
538:                        int srcWidth = in.readShort();
539:                        int ySrc = in.readShort();
540:                        int xSrc = in.readShort();
541:                        float destHeight = state.transformY(in.readShort())
542:                                - state.transformY(0);
543:                        float destWidth = state.transformX(in.readShort())
544:                                - state.transformX(0);
545:                        float yDest = state.transformY(in.readShort());
546:                        float xDest = state.transformX(in.readShort());
547:                        byte b[] = new byte[(tsize * 2)
548:                                - (in.getLength() - lenMarker)];
549:                        for (int k = 0; k < b.length; ++k)
550:                            b[k] = (byte) in.readByte();
551:                        try {
552:                            ByteArrayInputStream inb = new ByteArrayInputStream(
553:                                    b);
554:                            Image bmp = BmpImage.getImage(inb, true, b.length);
555:                            cb.saveState();
556:                            cb.rectangle(xDest, yDest, destWidth, destHeight);
557:                            cb.clip();
558:                            cb.newPath();
559:                            bmp.scaleAbsolute(destWidth * bmp.getWidth()
560:                                    / srcWidth, -destHeight * bmp.getHeight()
561:                                    / srcHeight);
562:                            bmp.setAbsolutePosition(xDest - destWidth * xSrc
563:                                    / srcWidth, yDest + destHeight * ySrc
564:                                    / srcHeight - bmp.getScaledHeight());
565:                            cb.addImage(bmp);
566:                            cb.restoreState();
567:                        } catch (Exception e) {
568:                            // empty on purpose
569:                        }
570:                        break;
571:                    }
572:                    }
573:                    in.skip((tsize * 2) - (in.getLength() - lenMarker));
574:                }
575:                state.cleanup(cb);
576:            }
577:
578:            public void outputText(int x, int y, int flag, int x1, int y1,
579:                    int x2, int y2, String text) {
580:                MetaFont font = state.getCurrentFont();
581:                float refX = state.transformX(x);
582:                float refY = state.transformY(y);
583:                float angle = state.transformAngle(font.getAngle());
584:                float sin = (float) Math.sin(angle);
585:                float cos = (float) Math.cos(angle);
586:                float fontSize = font.getFontSize(state);
587:                BaseFont bf = font.getFont();
588:                int align = state.getTextAlign();
589:                float textWidth = bf.getWidthPoint(text, fontSize);
590:                float tx = 0;
591:                float ty = 0;
592:                float descender = bf.getFontDescriptor(BaseFont.DESCENT,
593:                        fontSize);
594:                float ury = bf.getFontDescriptor(BaseFont.BBOXURY, fontSize);
595:                cb.saveState();
596:                cb.concatCTM(cos, sin, -sin, cos, refX, refY);
597:                if ((align & MetaState.TA_CENTER) == MetaState.TA_CENTER)
598:                    tx = -textWidth / 2;
599:                else if ((align & MetaState.TA_RIGHT) == MetaState.TA_RIGHT)
600:                    tx = -textWidth;
601:                if ((align & MetaState.TA_BASELINE) == MetaState.TA_BASELINE)
602:                    ty = 0;
603:                else if ((align & MetaState.TA_BOTTOM) == MetaState.TA_BOTTOM)
604:                    ty = -descender;
605:                else
606:                    ty = -ury;
607:                Color textColor;
608:                if (state.getBackgroundMode() == MetaState.OPAQUE) {
609:                    textColor = state.getCurrentBackgroundColor();
610:                    cb.setColorFill(textColor);
611:                    cb
612:                            .rectangle(tx, ty + descender, textWidth, ury
613:                                    - descender);
614:                    cb.fill();
615:                }
616:                textColor = state.getCurrentTextColor();
617:                cb.setColorFill(textColor);
618:                cb.beginText();
619:                cb.setFontAndSize(bf, fontSize);
620:                cb.setTextMatrix(tx, ty);
621:                cb.showText(text);
622:                cb.endText();
623:                if (font.isUnderline()) {
624:                    cb.rectangle(tx, ty - fontSize / 4, textWidth,
625:                            fontSize / 15);
626:                    cb.fill();
627:                }
628:                if (font.isStrikeout()) {
629:                    cb.rectangle(tx, ty + fontSize / 3, textWidth,
630:                            fontSize / 15);
631:                    cb.fill();
632:                }
633:                cb.restoreState();
634:            }
635:
636:            public boolean isNullStrokeFill(boolean isRectangle) {
637:                MetaPen pen = state.getCurrentPen();
638:                MetaBrush brush = state.getCurrentBrush();
639:                boolean noPen = (pen.getStyle() == MetaPen.PS_NULL);
640:                int style = brush.getStyle();
641:                boolean isBrush = (style == MetaBrush.BS_SOLID || (style == MetaBrush.BS_HATCHED && state
642:                        .getBackgroundMode() == MetaState.OPAQUE));
643:                boolean result = noPen && !isBrush;
644:                if (!noPen) {
645:                    if (isRectangle)
646:                        state.setLineJoinRectangle(cb);
647:                    else
648:                        state.setLineJoinPolygon(cb);
649:                }
650:                return result;
651:            }
652:
653:            public void strokeAndFill() {
654:                MetaPen pen = state.getCurrentPen();
655:                MetaBrush brush = state.getCurrentBrush();
656:                int penStyle = pen.getStyle();
657:                int brushStyle = brush.getStyle();
658:                if (penStyle == MetaPen.PS_NULL) {
659:                    cb.closePath();
660:                    if (state.getPolyFillMode() == MetaState.ALTERNATE) {
661:                        cb.eoFill();
662:                    } else {
663:                        cb.fill();
664:                    }
665:                } else {
666:                    boolean isBrush = (brushStyle == MetaBrush.BS_SOLID || (brushStyle == MetaBrush.BS_HATCHED && state
667:                            .getBackgroundMode() == MetaState.OPAQUE));
668:                    if (isBrush) {
669:                        if (state.getPolyFillMode() == MetaState.ALTERNATE)
670:                            cb.closePathEoFillStroke();
671:                        else
672:                            cb.closePathFillStroke();
673:                    } else {
674:                        cb.closePathStroke();
675:                    }
676:                }
677:            }
678:
679:            static float getArc(float xCenter, float yCenter, float xDot,
680:                    float yDot) {
681:                double s = Math.atan2(yDot - yCenter, xDot - xCenter);
682:                if (s < 0)
683:                    s += Math.PI * 2;
684:                return (float) (s / Math.PI * 180);
685:            }
686:
687:            public static byte[] wrapBMP(Image image) throws IOException {
688:                if (image.getOriginalType() != Image.ORIGINAL_BMP)
689:                    throw new IOException("Only BMP can be wrapped in WMF.");
690:                InputStream imgIn;
691:                byte data[] = null;
692:                if (image.getOriginalData() == null) {
693:                    imgIn = image.getUrl().openStream();
694:                    ByteArrayOutputStream out = new ByteArrayOutputStream();
695:                    int b = 0;
696:                    while ((b = imgIn.read()) != -1)
697:                        out.write(b);
698:                    imgIn.close();
699:                    data = out.toByteArray();
700:                } else
701:                    data = image.getOriginalData();
702:                int sizeBmpWords = (data.length - 14 + 1) >>> 1;
703:                ByteArrayOutputStream os = new ByteArrayOutputStream();
704:                // write metafile header
705:                writeWord(os, 1);
706:                writeWord(os, 9);
707:                writeWord(os, 0x0300);
708:                writeDWord(os, 9 + 4 + 5 + 5 + (13 + sizeBmpWords) + 3); // total metafile size
709:                writeWord(os, 1);
710:                writeDWord(os, 14 + sizeBmpWords); // max record size
711:                writeWord(os, 0);
712:                // write records
713:                writeDWord(os, 4);
714:                writeWord(os, META_SETMAPMODE);
715:                writeWord(os, 8);
716:
717:                writeDWord(os, 5);
718:                writeWord(os, META_SETWINDOWORG);
719:                writeWord(os, 0);
720:                writeWord(os, 0);
721:
722:                writeDWord(os, 5);
723:                writeWord(os, META_SETWINDOWEXT);
724:                writeWord(os, (int) image.getHeight());
725:                writeWord(os, (int) image.getWidth());
726:
727:                writeDWord(os, 13 + sizeBmpWords);
728:                writeWord(os, META_DIBSTRETCHBLT);
729:                writeDWord(os, 0x00cc0020);
730:                writeWord(os, (int) image.getHeight());
731:                writeWord(os, (int) image.getWidth());
732:                writeWord(os, 0);
733:                writeWord(os, 0);
734:                writeWord(os, (int) image.getHeight());
735:                writeWord(os, (int) image.getWidth());
736:                writeWord(os, 0);
737:                writeWord(os, 0);
738:                os.write(data, 14, data.length - 14);
739:                if ((data.length & 1) == 1)
740:                    os.write(0);
741:                //        writeDWord(os, 14 + sizeBmpWords);
742:                //        writeWord(os, META_STRETCHDIB);
743:                //        writeDWord(os, 0x00cc0020);
744:                //        writeWord(os, 0);
745:                //        writeWord(os, (int)image.height());
746:                //        writeWord(os, (int)image.width());
747:                //        writeWord(os, 0);
748:                //        writeWord(os, 0);
749:                //        writeWord(os, (int)image.height());
750:                //        writeWord(os, (int)image.width());
751:                //        writeWord(os, 0);
752:                //        writeWord(os, 0);
753:                //        os.write(data, 14, data.length - 14);
754:                //        if ((data.length & 1) == 1)
755:                //            os.write(0);
756:
757:                writeDWord(os, 3);
758:                writeWord(os, 0);
759:                os.close();
760:                return os.toByteArray();
761:            }
762:
763:            public static void writeWord(OutputStream os, int v)
764:                    throws IOException {
765:                os.write(v & 0xff);
766:                os.write((v >>> 8) & 0xff);
767:            }
768:
769:            public static void writeDWord(OutputStream os, int v)
770:                    throws IOException {
771:                writeWord(os, v & 0xffff);
772:                writeWord(os, (v >>> 16) & 0xffff);
773:            }
774:        }
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