3 Output Device which creates a bitmap.
5 Swftools is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 Swftools is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with swftools; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
24 #include "BitmapOutputDev.h"
25 #include "GFXOutputDev.h"
26 #include "SplashBitmap.h"
27 #include "SplashPattern.h"
31 #include "../devices/record.h"
33 static SplashColor splash_white = {255,255,255};
34 static SplashColor splash_black = {0,0,0};
36 ClipState::ClipState()
43 BitmapOutputDev::BitmapOutputDev(InfoOutputDev*info, PDFDoc*doc)
47 this->xref = doc->getXRef();
49 /* color graphic output device, for creating bitmaps */
50 this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
52 /* color mode for binary bitmaps */
53 SplashColorMode colorMode = splashModeMono8;
55 /* two devices for testing things against clipping: one clips, the other doesn't */
56 this->clip0dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
57 this->clip1dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
59 /* device indicating where polygonal pixels were drawn */
60 this->boolpolydev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
61 /* device indicating where text pixels were drawn */
62 this->booltextdev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
64 /* device for handling texts and links */
65 this->gfxdev = new GFXOutputDev(info, this->doc);
67 this->rgbdev->startDoc(this->xref);
68 this->boolpolydev->startDoc(this->xref);
69 this->booltextdev->startDoc(this->xref);
70 this->clip0dev->startDoc(this->xref);
71 this->clip1dev->startDoc(this->xref);
73 this->gfxoutput = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
74 gfxdevice_record_init(this->gfxoutput);
76 this->gfxdev->setDevice(this->gfxoutput);
78 this->config_extrafontdata = 0;
81 //this->clipstates = 0;
83 BitmapOutputDev::~BitmapOutputDev()
86 gfxresult_t*r = this->gfxoutput->finish(this->gfxoutput);
88 free(this->gfxoutput);this->gfxoutput = 0;
91 delete this->bboxpath;this->bboxpath = 0;
94 delete this->rgbdev;this->rgbdev = 0;
97 delete this->gfxdev;this->gfxdev= 0;
99 if(this->boolpolydev) {
100 delete this->boolpolydev;this->boolpolydev = 0;
102 if(this->booltextdev) {
103 delete this->booltextdev;this->booltextdev = 0;
106 delete this->clip0dev;this->clip0dev = 0;
109 delete this->clip1dev;this->clip1dev = 0;
111 //if(this->clipbitmap) {
112 // delete this->clipbitmap;this->clipbitmap = 0;
114 //if(this->clipdev) {
115 // delete this->clipdev;this->clipdev = 0;
120 GBool BitmapOutputDev::getVectorAntialias()
122 return this->rgbdev->getVectorAntialias();
124 void BitmapOutputDev::setVectorAntialias(GBool vaa)
126 this->rgbdev->setVectorAntialias(vaa);
128 void BitmapOutputDev::setDevice(gfxdevice_t*dev)
132 void BitmapOutputDev::setMove(int x,int y)
134 this->gfxdev->setMove(x,y);
135 this->user_movex = x;
136 this->user_movey = y;
138 void BitmapOutputDev::setClip(int x1,int y1,int x2,int y2)
140 this->gfxdev->setClip(x1,y1,x2,y2);
141 this->user_clipx1 = x1;
142 this->user_clipy1 = y1;
143 this->user_clipx2 = x2;
144 this->user_clipy2 = y2;
146 void BitmapOutputDev::setParameter(const char*key, const char*value)
148 if(!strcmp(key, "extrafontdata")) {
149 this->config_extrafontdata = atoi(value);
151 this->gfxdev->setParameter(key, value);
153 void BitmapOutputDev::preparePage(int pdfpage, int outputpage)
157 static void getBitmapBBox(Guchar*alpha, int width, int height, int*xmin, int*ymin, int*xmax, int*ymax)
163 for(y=0;y<height;y++) {
164 Guchar*a = &alpha[y*width];
165 for(x=0;x<width;x++) {
168 int left = x; //first occupied pixel from left
169 int right = x+1; //last non-occupied pixel from right
178 if(left<*xmin) *xmin = left;
179 if(right>*xmax) *xmax = right;
182 if(*xmin>=*xmax || *ymin>=*ymax) {
190 void BitmapOutputDev::flushBitmap()
192 int width = rgbdev->getBitmapWidth();
193 int height = rgbdev->getBitmapHeight();
195 SplashColorPtr rgb = rgbbitmap->getDataPtr();
196 Guchar*alpha = rgbbitmap->getAlphaPtr();
198 int xmin,ymin,xmax,ymax;
199 getBitmapBBox(alpha, width, height, &xmin,&ymin,&xmax,&ymax);
201 /* clip against (-movex, -movey, -movex+width, -movey+height) */
202 if(xmin < -this->movex) xmin = -this->movex;
203 if(ymin < -this->movey) ymin = -this->movey;
204 if(xmax > -this->movex + width) xmax = -this->movex+this->width;
205 if(ymax > -this->movey + height) ymax = -this->movey+this->height;
207 msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d)", xmin,ymin,xmax,ymax);
209 if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
212 if(sizeof(SplashColor)!=3) {
213 msg("<error> sizeof(SplashColor)!=3");
220 int rangex = xmax-xmin;
221 int rangey = ymax-ymin;
222 gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
223 img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
225 img->height = rangey;
227 for(y=0;y<rangey;y++) {
228 SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
229 gfxcolor_t*out = &img->data[y*rangex];
230 Guchar*ain = &alpha[(y+ymin)*width+xmin];
231 if(this->emptypage) {
232 for(x=0;x<rangex;x++) {
233 /* the first bitmap on the page doesn't need to have an alpha channel-
234 blend against a white background*/
235 out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
236 out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
237 out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
241 for(x=0;x<rangex;x++) {
242 /* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, we
243 have to premultiply alpha (mix background and pixel according to the alpha channel).
245 out[x].r = (in[x*3+0]*ain[x])/255;
246 out[x].g = (in[x*3+1]*ain[x])/255;
247 out[x].b = (in[x*3+2]*ain[x])/255;
252 /* transform bitmap rectangle to "device space" */
264 gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
265 dev->fillbitmap(dev, line, img, &m, 0);
268 memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
269 memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
271 free(img->data);img->data=0;free(img);img=0;
276 void BitmapOutputDev::flushText()
278 msg("<verbose> Flushing text/polygons");
279 gfxdevice_record_flush(this->gfxoutput, this->dev);
284 void writeAlpha(SplashBitmap*bitmap, char*filename)
288 int width = bitmap->getWidth();
289 int height = bitmap->getHeight();
291 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
293 for(y=0;y<height;y++) {
294 gfxcolor_t*line = &data[y*width];
295 for(x=0;x<width;x++) {
296 int a = bitmap->getAlpha(x,y);
303 writePNG(filename, (unsigned char*)data, width, height);
306 static int dbg_btm_counter=1;
308 static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
310 void BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
312 /* called once some new text was drawn on booltextdev, and
313 before the same thing is drawn on gfxdev */
315 msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
319 sprintf(filename1, "state%dbitmap_afternewtext.png", dbg_btm_counter);
320 sprintf(filename2, "state%dtext_afternewtext.png", dbg_btm_counter);
322 writeAlpha(boolpolybitmap, filename1);
323 writeAlpha(booltextbitmap, filename2);
327 if(intersection(x1,y1,x2,y2)) {
328 if(layerstate==STATE_PARALLEL) {
329 /* the new text is above the bitmap. So record that fact,
330 and also clear the bitmap buffer, so we can check for
332 msg("<verbose> Text is above current bitmap/polygon data");
333 layerstate=STATE_TEXT_IS_ABOVE;
335 } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
336 /* there's a bitmap above the (old) text. So we need
337 to flush out that text, and record that the *new*
338 text is now *above* the bitmap
340 msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
342 layerstate=STATE_TEXT_IS_ABOVE;
343 /* clear both bool devices- the text device because
344 we just dumped out all the (old) text, and the
345 poly dev so we can check for new intersections */
349 /* we already know that the current text section is
350 above the current bitmap section- now just new
351 bitmap data *and* new text data was drawn, and
352 *again* it's above the current bitmap- so clear
353 the polygon bitmap again, so we can check for
355 msg("<verbose> Text is still above current bitmap/polygon data");
361 void BitmapOutputDev::checkNewBitmap()
363 /* similar to checkNewText() above, only in reverse */
364 msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
368 sprintf(filename1, "state%dbitmap_afternewgfx.png", dbg_btm_counter);
369 sprintf(filename2, "state%dtext_afternewgfx.png", dbg_btm_counter);
371 writeAlpha(boolpolybitmap, filename1);
372 writeAlpha(booltextbitmap, filename2);
376 if(intersection(0,0,0,0)) {
377 if(layerstate==STATE_PARALLEL) {
378 msg("<verbose> Bitmap is above current text data");
379 layerstate=STATE_BITMAP_IS_ABOVE;
381 } else if(layerstate==STATE_TEXT_IS_ABOVE) {
382 msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
384 layerstate=STATE_BITMAP_IS_ABOVE;
388 msg("<verbose> Bitmap is still above current text data");
394 //void checkNewText() {
395 // Guchar*alpha = rgbbitmap->getAlphaPtr();
396 // Guchar*charpixels = clip1bitmap->getDataPtr();
398 // for(yy=0;yy<height;yy++) {
399 // Guchar*aline = &alpha[yy*width];
400 // Guchar*cline = &charpixels[yy*width8];
401 // for(xx=0;xx<width;xx++) {
403 // int bytepos = xx>>3;
404 // /* TODO: is the bit order correct? */
405 // if(aline[xx] && (cline[bytepos]&(1<<bit)))
412 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
414 if(clip0bitmap->getMode()==splashModeMono1) {
421 if(x1>=clip0bitmap->getWidth())
423 if(x2>clip0bitmap->getWidth())
424 x2=clip0bitmap->getWidth();
432 if(y1>=clip0bitmap->getHeight())
434 if(y2>clip0bitmap->getHeight())
435 y2=clip0bitmap->getHeight();
437 SplashBitmap*clip0 = clip0bitmap;
438 SplashBitmap*clip1 = clip1bitmap;
439 int width8 = (clip0bitmap->getWidth()+7)/8;
440 int height = clip0bitmap->getHeight();
446 unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
447 unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x28];
448 if(memcmp(row1, row2, x28-x18))
453 SplashBitmap*clip0 = clip0bitmap;
454 SplashBitmap*clip1 = clip1bitmap;
455 int width = clip0->getAlphaRowSize();
456 int height = clip0->getHeight();
457 return memcmp(clip0->getAlphaPtr(), clip1->getAlphaPtr(), width*height);
461 static void clearBooleanBitmap(SplashBitmap*btm)
463 if(btm->getMode()==splashModeMono1) {
464 int width8 = (btm->getWidth()+7)/8;
465 int width = btm->getWidth();
466 int height = btm->getHeight();
467 memset(btm->getDataPtr(), 0, width8*height);
469 int width = btm->getAlphaRowSize();
470 int height = btm->getHeight();
471 memset(btm->getAlphaPtr(), 0, width*height);
475 long long unsigned int compare64(long long unsigned int*data1, long long unsigned int*data2, int len)
477 long long unsigned int c;
480 c |= data1[t]&data2[t];
485 GBool BitmapOutputDev::intersection(int x1, int y1, int x2, int y2)
487 SplashBitmap*boolpoly = boolpolybitmap;
488 SplashBitmap*booltext = booltextbitmap;
490 if(boolpoly->getMode()==splashModeMono1) {
491 /* alternative implementation, using one bit per pixel-
492 would work if xpdf wouldn't try to dither everything */
494 Guchar*polypixels = boolpoly->getDataPtr();
495 Guchar*textpixels = booltext->getDataPtr();
497 int width8 = (width+7)/8;
498 int height = boolpoly->getHeight();
501 if(y1>=0 && y1<=y2 && y2<=height) {
502 polypixels+=y1*width8;
503 textpixels+=y1*width8;
509 int len = height*width8;
510 unsigned long long int c=0;
511 assert(sizeof(unsigned long long int)==8);
513 if(((int)polypixels&7) || ((int)textpixels&7)) {
514 //msg("<warning> Non-optimal alignment");
517 len /= sizeof(unsigned long long int);
518 c = compare64((unsigned long long int*)polypixels, (unsigned long long int*)textpixels, len);
519 int l1 = len*sizeof(unsigned long long int);
521 c |= (unsigned long long int)(polypixels[t]&textpixels[t]);
525 /* if graphic data and the characters overlap, they have common bits */
530 Guchar*polypixels = boolpoly->getAlphaPtr();
531 Guchar*textpixels = booltext->getAlphaPtr();
533 int width = boolpoly->getAlphaRowSize();
534 int height = boolpoly->getHeight();
537 int len = height*width;
539 if(len & (sizeof(unsigned int)-1)) {
542 if(polypixels[t]&&textpixels[t])
546 len /= sizeof(unsigned int);
548 if((((unsigned int*)polypixels)[t]) & (((unsigned int*)textpixels)[t]))
557 void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
560 state->transform(crop_x1,crop_y1,&x1,&y1);
561 state->transform(crop_x2,crop_y2,&x2,&y2);
562 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
563 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
565 this->movex = -(int)x1 - user_movex;
566 this->movey = -(int)y1 - user_movey;
568 if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
574 this->width = (int)(x2-x1);
575 this->height = (int)(y2-y1);
577 msg("<debug> startPage");
578 rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
579 boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
580 booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
581 clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
582 clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
583 gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
585 boolpolybitmap = boolpolydev->getBitmap();
586 booltextbitmap = booltextdev->getBitmap();
587 clip0bitmap = clip0dev->getBitmap();
588 clip1bitmap = clip1dev->getBitmap();
589 rgbbitmap = rgbdev->getBitmap();
591 flushText(); // write out the initial clipping rectangle
593 /* just in case any device did draw a white background rectangle
598 this->layerstate = STATE_PARALLEL;
600 msg("<debug> startPage done");
603 void BitmapOutputDev::endPage()
605 msg("<verbose> endPage (BitmapOutputDev)");
607 /* notice: we're not fully done yet with this page- there might still be
608 a few calls to drawLink() yet to come */
610 void BitmapOutputDev::finishPage()
612 msg("<verbose> finishPage (BitmapOutputDev)");
615 if(layerstate == STATE_BITMAP_IS_ABOVE) {
623 /* splash will now destroy alpha, and paint the
624 background color into the "holes" in the bitmap */
625 boolpolydev->endPage();
626 booltextdev->endPage();
632 GBool BitmapOutputDev::upsideDown()
634 boolpolydev->upsideDown();
635 booltextdev->upsideDown();
636 clip0dev->upsideDown();
637 clip1dev->upsideDown();
638 return rgbdev->upsideDown();
641 GBool BitmapOutputDev::useDrawChar()
643 boolpolydev->useDrawChar();
644 booltextdev->useDrawChar();
645 clip0dev->useDrawChar();
646 clip1dev->useDrawChar();
647 return rgbdev->useDrawChar();
650 GBool BitmapOutputDev::useTilingPatternFill()
652 boolpolydev->useTilingPatternFill();
653 booltextdev->useTilingPatternFill();
654 clip0dev->useTilingPatternFill();
655 clip1dev->useTilingPatternFill();
656 return rgbdev->useTilingPatternFill();
659 GBool BitmapOutputDev::useShadedFills()
661 boolpolydev->useShadedFills();
662 booltextdev->useShadedFills();
663 clip0dev->useShadedFills();
664 clip1dev->useShadedFills();
665 return rgbdev->useShadedFills();
668 GBool BitmapOutputDev::useDrawForm()
670 boolpolydev->useDrawForm();
671 booltextdev->useDrawForm();
672 clip0dev->useDrawForm();
673 clip1dev->useDrawForm();
674 return rgbdev->useDrawForm();
677 GBool BitmapOutputDev::interpretType3Chars()
679 boolpolydev->interpretType3Chars();
680 booltextdev->interpretType3Chars();
681 clip0dev->interpretType3Chars();
682 clip1dev->interpretType3Chars();
683 return rgbdev->interpretType3Chars();
686 GBool BitmapOutputDev::needNonText()
688 boolpolydev->needNonText();
689 booltextdev->needNonText();
690 clip0dev->needNonText();
691 clip1dev->needNonText();
692 return rgbdev->needNonText();
694 /*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
695 int rotate, GBool useMediaBox, GBool crop,
696 int sliceX, int sliceY, int sliceW, int sliceH,
697 GBool printing, Catalog *catalog,
698 GBool (*abortCheckCbk)(void *data),
699 void *abortCheckCbkData)
703 void BitmapOutputDev::setDefaultCTM(double *ctm)
705 boolpolydev->setDefaultCTM(ctm);
706 booltextdev->setDefaultCTM(ctm);
707 rgbdev->setDefaultCTM(ctm);
708 clip0dev->setDefaultCTM(ctm);
709 clip1dev->setDefaultCTM(ctm);
710 gfxdev->setDefaultCTM(ctm);
712 void BitmapOutputDev::saveState(GfxState *state)
714 boolpolydev->saveState(state);
715 booltextdev->saveState(state);
716 rgbdev->saveState(state);
717 clip0dev->saveState(state);
718 clip1dev->saveState(state);
720 /*ClipState*cstate = new ClipState();
721 cstate->next = this->clipstates;
722 this->clipstates = cstate;*/
724 void BitmapOutputDev::restoreState(GfxState *state)
726 boolpolydev->restoreState(state);
727 booltextdev->restoreState(state);
728 rgbdev->restoreState(state);
729 clip0dev->restoreState(state);
730 clip1dev->restoreState(state);
732 /*if(this->clipstates) {
733 ClipState*old = this->clipstates;
735 gfxdev->restoreState(state);
737 this->clipstates = this->clipstates->next;
740 msg("<error> invalid restoreState()");
743 void BitmapOutputDev::updateAll(GfxState *state)
745 boolpolydev->updateAll(state);
746 booltextdev->updateAll(state);
747 rgbdev->updateAll(state);
748 clip0dev->updateAll(state);
749 clip1dev->updateAll(state);
750 gfxdev->updateAll(state);
752 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
754 boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
755 booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
756 rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
757 clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
758 clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
759 gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
761 void BitmapOutputDev::updateLineDash(GfxState *state)
763 boolpolydev->updateLineDash(state);
764 booltextdev->updateLineDash(state);
765 rgbdev->updateLineDash(state);
766 clip0dev->updateLineDash(state);
767 clip1dev->updateLineDash(state);
768 gfxdev->updateLineDash(state);
770 void BitmapOutputDev::updateFlatness(GfxState *state)
772 boolpolydev->updateFlatness(state);
773 booltextdev->updateFlatness(state);
774 rgbdev->updateFlatness(state);
775 clip0dev->updateFlatness(state);
776 clip1dev->updateFlatness(state);
777 gfxdev->updateFlatness(state);
779 void BitmapOutputDev::updateLineJoin(GfxState *state)
781 boolpolydev->updateLineJoin(state);
782 booltextdev->updateLineJoin(state);
783 rgbdev->updateLineJoin(state);
784 clip0dev->updateLineJoin(state);
785 clip1dev->updateLineJoin(state);
786 gfxdev->updateLineJoin(state);
788 void BitmapOutputDev::updateLineCap(GfxState *state)
790 boolpolydev->updateLineCap(state);
791 booltextdev->updateLineCap(state);
792 rgbdev->updateLineCap(state);
793 clip0dev->updateLineCap(state);
794 clip1dev->updateLineCap(state);
795 gfxdev->updateLineCap(state);
797 void BitmapOutputDev::updateMiterLimit(GfxState *state)
799 boolpolydev->updateMiterLimit(state);
800 booltextdev->updateMiterLimit(state);
801 rgbdev->updateMiterLimit(state);
802 clip0dev->updateMiterLimit(state);
803 clip1dev->updateMiterLimit(state);
804 gfxdev->updateMiterLimit(state);
806 void BitmapOutputDev::updateLineWidth(GfxState *state)
808 boolpolydev->updateLineWidth(state);
809 booltextdev->updateLineWidth(state);
810 rgbdev->updateLineWidth(state);
811 clip0dev->updateLineWidth(state);
812 clip1dev->updateLineWidth(state);
813 gfxdev->updateLineWidth(state);
815 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
817 boolpolydev->updateStrokeAdjust(state);
818 booltextdev->updateStrokeAdjust(state);
819 rgbdev->updateStrokeAdjust(state);
820 clip0dev->updateStrokeAdjust(state);
821 clip1dev->updateStrokeAdjust(state);
822 gfxdev->updateStrokeAdjust(state);
824 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
826 boolpolydev->updateFillColorSpace(state);
827 booltextdev->updateFillColorSpace(state);
828 rgbdev->updateFillColorSpace(state);
829 clip0dev->updateFillColorSpace(state);
830 clip1dev->updateFillColorSpace(state);
831 gfxdev->updateFillColorSpace(state);
833 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
835 boolpolydev->updateStrokeColorSpace(state);
836 booltextdev->updateStrokeColorSpace(state);
837 rgbdev->updateStrokeColorSpace(state);
838 clip0dev->updateStrokeColorSpace(state);
839 clip1dev->updateStrokeColorSpace(state);
840 gfxdev->updateStrokeColorSpace(state);
842 void BitmapOutputDev::updateFillColor(GfxState *state)
844 boolpolydev->updateFillColor(state);
845 booltextdev->updateFillColor(state);
846 rgbdev->updateFillColor(state);
847 clip0dev->updateFillColor(state);
848 clip1dev->updateFillColor(state);
849 gfxdev->updateFillColor(state);
851 void BitmapOutputDev::updateStrokeColor(GfxState *state)
853 boolpolydev->updateStrokeColor(state);
854 booltextdev->updateStrokeColor(state);
855 rgbdev->updateStrokeColor(state);
856 clip0dev->updateStrokeColor(state);
857 clip1dev->updateStrokeColor(state);
858 gfxdev->updateStrokeColor(state);
860 void BitmapOutputDev::updateBlendMode(GfxState *state)
862 boolpolydev->updateBlendMode(state);
863 booltextdev->updateBlendMode(state);
864 rgbdev->updateBlendMode(state);
865 clip0dev->updateBlendMode(state);
866 clip1dev->updateBlendMode(state);
867 gfxdev->updateBlendMode(state);
869 void BitmapOutputDev::updateFillOpacity(GfxState *state)
871 boolpolydev->updateFillOpacity(state);
872 booltextdev->updateFillOpacity(state);
873 rgbdev->updateFillOpacity(state);
874 clip0dev->updateFillOpacity(state);
875 clip1dev->updateFillOpacity(state);
876 gfxdev->updateFillOpacity(state);
878 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
880 boolpolydev->updateStrokeOpacity(state);
881 booltextdev->updateStrokeOpacity(state);
882 rgbdev->updateStrokeOpacity(state);
883 clip0dev->updateStrokeOpacity(state);
884 clip1dev->updateStrokeOpacity(state);
885 gfxdev->updateStrokeOpacity(state);
887 void BitmapOutputDev::updateFillOverprint(GfxState *state)
889 boolpolydev->updateFillOverprint(state);
890 booltextdev->updateFillOverprint(state);
891 rgbdev->updateFillOverprint(state);
892 clip0dev->updateFillOverprint(state);
893 clip1dev->updateFillOverprint(state);
894 gfxdev->updateFillOverprint(state);
896 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
898 boolpolydev->updateStrokeOverprint(state);
899 booltextdev->updateStrokeOverprint(state);
900 rgbdev->updateStrokeOverprint(state);
901 clip0dev->updateStrokeOverprint(state);
902 clip1dev->updateStrokeOverprint(state);
903 gfxdev->updateStrokeOverprint(state);
905 void BitmapOutputDev::updateTransfer(GfxState *state)
907 boolpolydev->updateTransfer(state);
908 booltextdev->updateTransfer(state);
909 rgbdev->updateTransfer(state);
910 clip0dev->updateTransfer(state);
911 clip1dev->updateTransfer(state);
912 gfxdev->updateTransfer(state);
914 void BitmapOutputDev::updateFont(GfxState *state)
916 boolpolydev->updateFont(state);
917 booltextdev->updateFont(state);
918 rgbdev->updateFont(state);
919 clip0dev->updateFont(state);
920 clip1dev->updateFont(state);
921 gfxdev->updateFont(state);
923 void BitmapOutputDev::updateTextMat(GfxState *state)
925 boolpolydev->updateTextMat(state);
926 booltextdev->updateTextMat(state);
927 rgbdev->updateTextMat(state);
928 clip0dev->updateTextMat(state);
929 clip1dev->updateTextMat(state);
930 gfxdev->updateTextMat(state);
932 void BitmapOutputDev::updateCharSpace(GfxState *state)
934 boolpolydev->updateCharSpace(state);
935 booltextdev->updateCharSpace(state);
936 rgbdev->updateCharSpace(state);
937 clip0dev->updateCharSpace(state);
938 clip1dev->updateCharSpace(state);
939 gfxdev->updateCharSpace(state);
941 void BitmapOutputDev::updateRender(GfxState *state)
943 boolpolydev->updateRender(state);
944 booltextdev->updateRender(state);
945 rgbdev->updateRender(state);
946 clip0dev->updateRender(state);
947 clip1dev->updateRender(state);
948 gfxdev->updateRender(state);
950 void BitmapOutputDev::updateRise(GfxState *state)
952 boolpolydev->updateRise(state);
953 booltextdev->updateRise(state);
954 rgbdev->updateRise(state);
955 clip0dev->updateRise(state);
956 clip1dev->updateRise(state);
957 gfxdev->updateRise(state);
959 void BitmapOutputDev::updateWordSpace(GfxState *state)
961 boolpolydev->updateWordSpace(state);
962 booltextdev->updateWordSpace(state);
963 rgbdev->updateWordSpace(state);
964 clip0dev->updateWordSpace(state);
965 clip1dev->updateWordSpace(state);
966 gfxdev->updateWordSpace(state);
968 void BitmapOutputDev::updateHorizScaling(GfxState *state)
970 boolpolydev->updateHorizScaling(state);
971 booltextdev->updateHorizScaling(state);
972 rgbdev->updateHorizScaling(state);
973 clip0dev->updateHorizScaling(state);
974 clip1dev->updateHorizScaling(state);
975 gfxdev->updateHorizScaling(state);
977 void BitmapOutputDev::updateTextPos(GfxState *state)
979 boolpolydev->updateTextPos(state);
980 booltextdev->updateTextPos(state);
981 rgbdev->updateTextPos(state);
982 clip0dev->updateTextPos(state);
983 clip1dev->updateTextPos(state);
984 gfxdev->updateTextPos(state);
986 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
988 boolpolydev->updateTextShift(state, shift);
989 booltextdev->updateTextShift(state, shift);
990 rgbdev->updateTextShift(state, shift);
991 clip0dev->updateTextShift(state, shift);
992 clip1dev->updateTextShift(state, shift);
993 gfxdev->updateTextShift(state, shift);
996 void BitmapOutputDev::stroke(GfxState *state)
998 msg("<debug> stroke");
999 boolpolydev->stroke(state);
1001 rgbdev->stroke(state);
1003 void BitmapOutputDev::fill(GfxState *state)
1005 msg("<debug> fill");
1006 boolpolydev->fill(state);
1008 rgbdev->fill(state);
1010 void BitmapOutputDev::eoFill(GfxState *state)
1012 msg("<debug> eoFill");
1013 boolpolydev->eoFill(state);
1015 rgbdev->eoFill(state);
1017 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1018 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1019 int paintType, Dict *resDict,
1020 double *mat, double *bbox,
1021 int x0, int y0, int x1, int y1,
1022 double xStep, double yStep)
1024 msg("<debug> tilingPatternFill");
1025 boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1027 rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1030 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1031 int paintType, Dict *resDict,
1032 double *mat, double *bbox,
1033 int x0, int y0, int x1, int y1,
1034 double xStep, double yStep)
1036 msg("<debug> tilingPatternFill");
1037 boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1039 rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1043 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1045 msg("<debug> functionShadedFill");
1046 boolpolydev->functionShadedFill(state, shading);
1048 return rgbdev->functionShadedFill(state, shading);
1050 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1052 msg("<debug> axialShadedFill");
1053 boolpolydev->axialShadedFill(state, shading);
1055 return rgbdev->axialShadedFill(state, shading);
1057 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1059 msg("<debug> radialShadedFill");
1060 boolpolydev->radialShadedFill(state, shading);
1062 return rgbdev->radialShadedFill(state, shading);
1065 SplashColor black = {0,0,0};
1066 SplashColor white = {255,255,255};
1068 void BitmapOutputDev::clip(GfxState *state)
1070 msg("<debug> clip");
1071 boolpolydev->clip(state);
1072 booltextdev->clip(state);
1073 rgbdev->clip(state);
1074 clip1dev->clip(state);
1076 void BitmapOutputDev::eoClip(GfxState *state)
1078 msg("<debug> eoClip");
1079 boolpolydev->eoClip(state);
1080 booltextdev->eoClip(state);
1081 rgbdev->eoClip(state);
1082 clip1dev->eoClip(state);
1084 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1086 msg("<debug> clipToStrokePath");
1087 boolpolydev->clipToStrokePath(state);
1088 booltextdev->clipToStrokePath(state);
1089 rgbdev->clipToStrokePath(state);
1090 clip1dev->clipToStrokePath(state);
1093 void BitmapOutputDev::beginStringOp(GfxState *state)
1095 msg("<debug> beginStringOp");
1096 clip0dev->beginStringOp(state);
1097 clip1dev->beginStringOp(state);
1098 booltextdev->beginStringOp(state);
1099 gfxdev->beginStringOp(state);
1101 void BitmapOutputDev::endStringOp(GfxState *state)
1103 msg("<debug> endStringOp");
1104 clip0dev->endStringOp(state);
1105 clip1dev->endStringOp(state);
1106 booltextdev->endStringOp(state);
1107 checkNewText(0,0,0,0);
1108 gfxdev->endStringOp(state);
1110 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1112 msg("<debug> beginString");
1113 clip0dev->beginString(state, s);
1114 clip1dev->beginString(state, s);
1115 booltextdev->beginString(state, s);
1116 gfxdev->beginString(state, s);
1118 void BitmapOutputDev::endString(GfxState *state)
1120 msg("<debug> endString");
1121 clip0dev->endString(state);
1122 clip1dev->endString(state);
1123 booltextdev->endString(state);
1124 checkNewText(0,0,0,0);
1125 gfxdev->endString(state);
1128 void BitmapOutputDev::clearClips()
1130 clearBooleanBitmap(clip0bitmap);
1131 clearBooleanBitmap(clip1bitmap);
1133 void BitmapOutputDev::clearBoolPolyDev()
1135 clearBooleanBitmap(boolpolybitmap);
1137 void BitmapOutputDev::clearBoolTextDev()
1139 clearBooleanBitmap(booltextbitmap);
1141 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1142 double dx, double dy,
1143 double originX, double originY,
1144 CharCode code, int nBytes, Unicode *u, int uLen)
1146 msg("<debug> drawChar");
1147 if(state->getRender()&RENDER_CLIP) {
1148 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1151 clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1152 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1154 /* calculate the bbox of this character */
1155 int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1156 SplashPath*path = clip0dev->getCurrentFont()->getGlyphPath(code);
1158 for(t=0;t<path->getLength();t++) {
1161 path->getPoint(t,&xx,&yy,&f);
1164 if(xx<x1) x1=(int)xx;
1165 if(yy<y1) y1=(int)yy;
1166 if(xx>x2) x2=(int)xx+1;
1167 if(yy>y2) y2=(int)yy+1;
1170 /* if this character is affected somehow by the various clippings (i.e., it looks
1171 different on a device without clipping), then draw it on the bitmap, not as
1173 if(clip0and1differ(x1,y1,x2,y2)) {
1174 msg("<verbose> Char %d is affected by clipping", code);
1175 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1177 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1178 if(config_extrafontdata) {
1179 int oldrender = state->getRender();
1180 state->setRender(3); //invisible
1181 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1182 state->setRender(oldrender);
1185 /* this char is not at all affected by clipping.
1186 Now just dump out the bitmap we're currently working on, if necessary. */
1187 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1188 checkNewText(x1,y1,x2,y2);
1189 /* use polygonal output device to do the actual text handling */
1190 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1194 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1196 msg("<error> internal error: drawString not implemented");
1198 clip0dev->drawString(state, s);
1199 clip1dev->drawString(state, s);
1200 booltextdev->drawString(state, s);
1201 gfxdev->drawString(state, s);
1203 void BitmapOutputDev::endTextObject(GfxState *state)
1205 msg("<debug> endTextObject");
1206 rgbdev->endTextObject(state);
1207 clip0dev->endTextObject(state);
1208 clip1dev->endTextObject(state);
1209 booltextdev->endTextObject(state);
1210 /* TODO: do this only if rendermode!=0 */
1211 checkNewText(0,0,0,0);
1212 gfxdev->endTextObject(state);
1215 /* TODO: these four operations below *should* do nothing, as type3
1216 chars are drawn using operations like fill() */
1217 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1218 double dx, double dy,
1219 CharCode code, Unicode *u, int uLen)
1221 msg("<debug> beginType3Char");
1222 /* call gfxdev so that it can generate "invisible" characters
1223 on top of the actual graphic content, for text extraction */
1224 return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1226 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1228 msg("<debug> type3D0");
1229 return gfxdev->type3D0(state, wx, wy);
1231 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1233 msg("<debug> type3D1");
1234 return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1236 void BitmapOutputDev::endType3Char(GfxState *state)
1238 msg("<debug> endType3Char");
1239 gfxdev->endType3Char(state);
1242 class CopyStream: public Object
1246 MemStream*memstream;
1248 CopyStream(Stream*str, int len)
1253 buf = (char*)malloc(len);
1255 for (t=0; t<len; t++)
1256 buf[t] = str->getChar();
1259 this->dict = str->getDict();
1260 this->memstream = new MemStream(buf, 0, len, this);
1264 ::free(this->buf);this->buf = 0;
1265 delete this->memstream;
1267 Dict* getDict() {return dict;}
1268 Stream* getStream() {return this->memstream;};
1271 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1272 int width, int height, GBool invert,
1275 msg("<debug> drawImageMask streamkind=%d", str->getKind());
1276 CopyStream*cpystr = 0;
1278 cpystr = new CopyStream(str, height * ((width + 7) / 8));
1279 str = cpystr->getStream();
1281 boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1283 rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1287 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1288 int width, int height, GfxImageColorMap *colorMap,
1289 int *maskColors, GBool inlineImg)
1291 msg("<debug> drawImage streamkind=%d", str->getKind());
1292 CopyStream*cpystr = 0;
1294 cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1295 str = cpystr->getStream();
1297 boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1299 rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1303 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1304 int width, int height,
1305 GfxImageColorMap *colorMap,
1306 Stream *maskStr, int maskWidth, int maskHeight,
1309 msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1310 boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1312 rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1314 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1315 int width, int height,
1316 GfxImageColorMap *colorMap,
1318 int maskWidth, int maskHeight,
1319 GfxImageColorMap *maskColorMap)
1321 msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1322 boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1324 rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1326 void BitmapOutputDev::drawForm(Ref id)
1328 msg("<debug> drawForm");
1329 boolpolydev->drawForm(id);
1331 rgbdev->drawForm(id);
1334 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1336 msg("<debug> processLink");
1337 gfxdev->processLink(link, catalog);
1340 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1341 GfxColorSpace *blendingColorSpace,
1342 GBool isolated, GBool knockout,
1345 msg("<debug> beginTransparencyGroup");
1346 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1347 GfxState*state1 = state->copy();
1348 GfxState*state2 = state->copy();
1350 state1->setPath(state->getPath()->copy());
1352 state2->setPath(state->getPath()->copy());
1354 GfxState*state1 = state->copy(gTrue);
1355 GfxState*state2 = state->copy(gTrue);
1357 boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1358 rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1359 clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1363 void BitmapOutputDev::endTransparencyGroup(GfxState *state)
1365 msg("<debug> endTransparencyGroup");
1366 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1367 GfxState*state1 = state->copy();
1368 GfxState*state2 = state->copy();
1370 state1->setPath(state->getPath()->copy());
1372 state2->setPath(state->getPath()->copy());
1374 GfxState*state1 = state->copy(gTrue);
1375 GfxState*state2 = state->copy(gTrue);
1377 boolpolydev->endTransparencyGroup(state1);
1379 rgbdev->endTransparencyGroup(state2);
1382 clip1dev->endTransparencyGroup(state);
1384 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1386 msg("<debug> paintTransparencyGroup");
1387 boolpolydev->paintTransparencyGroup(state,bbox);
1389 rgbdev->paintTransparencyGroup(state,bbox);
1390 clip1dev->paintTransparencyGroup(state,bbox);
1392 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1394 msg("<debug> setSoftMask");
1395 boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1397 rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1398 clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1400 void BitmapOutputDev::clearSoftMask(GfxState *state)
1402 msg("<debug> clearSoftMask");
1403 boolpolydev->clearSoftMask(state);
1405 rgbdev->clearSoftMask(state);
1406 clip1dev->clearSoftMask(state);