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"
35 #define UNKNOWN_BOUNDING_BOX 0,0,0,0
37 static SplashColor splash_white = {255,255,255};
38 static SplashColor splash_black = {0,0,0};
40 ClipState::ClipState()
47 BitmapOutputDev::BitmapOutputDev(InfoOutputDev*info, PDFDoc*doc)
51 this->xref = doc->getXRef();
53 /* color graphic output device, for creating bitmaps */
54 this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
56 /* color mode for binary bitmaps */
57 SplashColorMode colorMode = splashModeMono1;
59 /* two devices for testing things against clipping: one clips, the other doesn't */
60 this->clip0dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
61 this->clip1dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
63 /* device indicating where polygonal pixels were drawn */
64 this->boolpolydev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
65 /* device indicating where text pixels were drawn */
66 this->booltextdev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
68 /* device for handling texts and links */
69 this->gfxdev = new GFXOutputDev(info, this->doc);
71 this->rgbdev->startDoc(this->xref);
72 this->boolpolydev->startDoc(this->xref);
73 this->booltextdev->startDoc(this->xref);
74 this->clip0dev->startDoc(this->xref);
75 this->clip1dev->startDoc(this->xref);
77 this->gfxoutput = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
78 gfxdevice_record_init(this->gfxoutput, 0);
80 this->gfxdev->setDevice(this->gfxoutput);
82 this->config_extrafontdata = 0;
85 //this->clipstates = 0;
87 BitmapOutputDev::~BitmapOutputDev()
90 gfxresult_t*r = this->gfxoutput->finish(this->gfxoutput);
92 free(this->gfxoutput);this->gfxoutput = 0;
95 delete this->bboxpath;this->bboxpath = 0;
98 delete this->rgbdev;this->rgbdev = 0;
101 delete this->gfxdev;this->gfxdev= 0;
103 if(this->boolpolydev) {
104 delete this->boolpolydev;this->boolpolydev = 0;
106 if(this->stalepolybitmap) {
107 delete this->stalepolybitmap;this->stalepolybitmap = 0;
109 if(this->staletextbitmap) {
110 delete this->staletextbitmap;this->staletextbitmap = 0;
112 if(this->booltextdev) {
113 delete this->booltextdev;this->booltextdev = 0;
116 delete this->clip0dev;this->clip0dev = 0;
119 delete this->clip1dev;this->clip1dev = 0;
121 //if(this->clipbitmap) {
122 // delete this->clipbitmap;this->clipbitmap = 0;
124 //if(this->clipdev) {
125 // delete this->clipdev;this->clipdev = 0;
130 GBool BitmapOutputDev::getVectorAntialias()
132 return this->rgbdev->getVectorAntialias();
134 void BitmapOutputDev::setVectorAntialias(GBool vaa)
136 this->rgbdev->setVectorAntialias(vaa);
138 void BitmapOutputDev::setDevice(gfxdevice_t*dev)
142 void BitmapOutputDev::setMove(int x,int y)
144 this->gfxdev->setMove(x,y);
145 this->user_movex = x;
146 this->user_movey = y;
148 void BitmapOutputDev::setClip(int x1,int y1,int x2,int y2)
150 this->gfxdev->setClip(x1,y1,x2,y2);
151 this->user_clipx1 = x1;
152 this->user_clipy1 = y1;
153 this->user_clipx2 = x2;
154 this->user_clipy2 = y2;
156 void BitmapOutputDev::setParameter(const char*key, const char*value)
158 if(!strcmp(key, "extrafontdata")) {
159 this->config_extrafontdata = atoi(value);
161 this->gfxdev->setParameter(key, value);
163 void BitmapOutputDev::setPageMap(int*page2page, int num_pages)
165 this->gfxdev->setPageMap(page2page, num_pages);
168 void writeBitmap(SplashBitmap*bitmap, char*filename);
169 void writeAlpha(SplashBitmap*bitmap, char*filename);
171 static int dbg_btm_counter=1;
173 void BitmapOutputDev::flushBitmap()
175 int width = rgbdev->getBitmapWidth();
176 int height = rgbdev->getBitmapHeight();
178 if(sizeof(SplashColor)!=3) {
179 msg("<error> sizeof(SplashColor)!=3");
183 /*static int counter=0;
185 writeBitmap(rgbdev->getBitmap(), "test.png");
188 /*static int counter=0;
190 sprintf(filename, "test%d.png", counter++);
191 writeBitmap(rgbbitmap, filename);*/
193 SplashColorPtr rgb = rgbbitmap->getDataPtr();
194 Guchar*alpha = rgbbitmap->getAlphaPtr();
196 Guchar*alpha2 = stalepolybitmap->getDataPtr();
197 int width8 = (stalepolybitmap->getWidth()+7)/8;
200 sprintf(filename, "flush%d_mask.png", dbg_btm_counter);
201 writeAlpha(stalepolybitmap, filename);
202 sprintf(filename, "flush%d_alpha.png", dbg_btm_counter);
203 writeAlpha(rgbbitmap, filename);
204 sprintf(filename, "flush%d_bitmap.png", dbg_btm_counter);
205 writeBitmap(rgbbitmap, filename);*/
207 ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)alpha, width, height);
210 for(b=boxes;b;b=b->next) {
216 /* clip against (-movex, -movey, -movex+width, -movey+height) */
217 if(xmin < -this->movex) xmin = -this->movex;
218 if(ymin < -this->movey) ymin = -this->movey;
219 if(xmax > -this->movex + width) xmax = -this->movex+this->width;
220 if(ymax > -this->movey + height) ymax = -this->movey+this->height;
222 msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d)", xmin,ymin,xmax,ymax);
224 if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
227 int rangex = xmax-xmin;
228 int rangey = ymax-ymin;
229 gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
230 img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
232 img->height = rangey;
234 for(y=0;y<rangey;y++) {
235 SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
236 gfxcolor_t*out = &img->data[y*rangex];
237 Guchar*ain = &alpha[(y+ymin)*width+xmin];
238 Guchar*ain2 = &alpha2[(y+ymin)*width8];
239 if(this->emptypage) {
240 for(x=0;x<rangex;x++) {
241 /* the first bitmap on the page doesn't need to have an alpha channel-
242 blend against a white background*/
243 out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
244 out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
245 out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
249 for(x=0;x<rangex;x++) {
250 if(!(ain2[(x+xmin)/8]&(0x80>>((x+xmin)&7)))) {
251 /* cut away pixels that we don't remember drawing (i.e., that are
252 not in the monochrome bitmap). Prevents some "hairlines" showing
253 up to the left and right of bitmaps. */
254 out[x].r = 0;out[x].g = 0;out[x].b = 0;out[x].a = 0;
256 /* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, we
257 have to premultiply alpha (mix background and pixel according to the alpha channel).
259 out[x].r = (in[x*3+0]*ain[x])/255;
260 out[x].g = (in[x*3+1]*ain[x])/255;
261 out[x].b = (in[x*3+2]*ain[x])/255;
268 /* transform bitmap rectangle to "device space" */
282 gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
283 dev->fillbitmap(dev, line, img, &m, 0);
286 free(img->data);img->data=0;free(img);img=0;
288 ibbox_destroy(boxes);
290 memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
291 memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
296 void BitmapOutputDev::flushText()
298 msg("<verbose> Flushing text");
299 gfxdevice_record_flush(this->gfxoutput, this->dev);
304 void writeMonoBitmap(SplashBitmap*btm, char*filename)
306 int width8 = (btm->getWidth()+7)/8;
307 int width = btm->getWidth();
308 int height = btm->getHeight();
309 gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
310 unsigned char*data = btm->getDataPtr();
312 for(y=0;y<height;y++) {
313 unsigned char*l = &data[width8*y];
314 gfxcolor_t*d = &b[width*y];
315 for(x=0;x<width;x++) {
316 if(l[x>>3]&(128>>(x&7))) {
317 d[x].r = d[x].b = d[x].a = 255;
320 d[x].r = d[x].g = d[x].b = d[x].a = 0;
324 writePNG(filename, (unsigned char*)b, width, height);
328 void writeBitmap(SplashBitmap*bitmap, char*filename)
332 int width = bitmap->getWidth();
333 int height = bitmap->getHeight();
335 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
337 if(bitmap->getMode()==splashModeMono1) {
338 writeMonoBitmap(bitmap, filename);
342 for(y=0;y<height;y++) {
343 gfxcolor_t*line = &data[y*width];
344 for(x=0;x<width;x++) {
345 Guchar c[4] = {0,0,0,0};
346 bitmap->getPixel(x,y,c);
350 line[x].a = bitmap->getAlpha(x,y);
353 writePNG(filename, (unsigned char*)data, width, height);
357 void writeAlpha(SplashBitmap*bitmap, char*filename)
361 int width = bitmap->getWidth();
362 int height = bitmap->getHeight();
364 if(bitmap->getMode()==splashModeMono1) {
365 writeMonoBitmap(bitmap, filename);
369 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
371 for(y=0;y<height;y++) {
372 gfxcolor_t*line = &data[y*width];
373 for(x=0;x<width;x++) {
374 int a = bitmap->getAlpha(x,y);
381 writePNG(filename, (unsigned char*)data, width, height);
385 static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
387 int checkAlphaSanity(SplashBitmap*boolbtm, SplashBitmap*alphabtm)
389 assert(boolbtm->getWidth() == alphabtm->getWidth());
390 assert(boolbtm->getHeight() == alphabtm->getHeight());
391 if(boolbtm->getMode()==splashModeMono1) {
395 int width = boolbtm->getWidth();
396 int height = boolbtm->getHeight();
400 for(y=0;y<height;y++) {
401 for(x=0;x<width;x++) {
402 int a1 = alphabtm->getAlpha(x,y);
403 int a2 = boolbtm->getAlpha(x,y);
409 double badness = bad/(double)(width*height);
411 msg("<error> Bitmaps don't correspond: %d out of %d pixels wrong (%.2f%%)", bad, width*height,
415 msg("<notice> %f", badness);
419 static inline GBool fixBBox(int*x1, int*y1, int*x2, int*y2, int width, int height)
421 if(!(*x1|*y1|*x2|*y2)) {
428 if(*x2<=*x1) return gFalse;
429 if(*x2<0) return gFalse;
431 if(*x1>=width) return gFalse;
432 if(*x2>width) *x2=width;
434 if(*y2<=*y1) return gFalse;
435 if(*y2<0) return gFalse;
437 if(*y1>=height) return gFalse;
438 if(*y2>height) *y2=height;
442 static void update_bitmap(SplashBitmap*bitmap, SplashBitmap*update, int x1, int y1, int x2, int y2, char overwrite)
444 assert(bitmap->getMode()==splashModeMono1);
445 assert(update->getMode()==splashModeMono1);
447 int width8 = (bitmap->getWidth()+7)/8;
448 assert(width8 == bitmap->getRowSize());
449 assert(width8 == update->getRowSize());
450 int height = bitmap->getHeight();
451 assert(height == update->getHeight());
453 if(!fixBBox(&x1, &y1, &x2, &y2, bitmap->getWidth(), bitmap->getHeight()))
456 Guchar*b = bitmap->getDataPtr() + y1*width8;
457 Guchar*u = update->getDataPtr() + y1*width8;
458 int size = (y2-y1)*width8;
464 for(t=0;t<size;t++) {
470 static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
472 if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
475 if(btm->getMode()==splashModeMono1) {
476 int width8 = (btm->getWidth()+7)/8;
477 assert(width8 == btm->getRowSize());
478 int width = btm->getWidth();
479 int height = btm->getHeight();
480 Guchar*data = btm->getDataPtr();
481 memset(data+y1*width8, 0, width8*(y2-y1));
483 int width = btm->getAlphaRowSize();
484 int height = btm->getHeight();
485 memset(btm->getAlphaPtr(), 0, width*height);
489 GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
491 /* called once some new text was drawn on booltextdev, and
492 before the same thing is drawn on gfxdev */
494 msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
500 sprintf(filename1, "state%dboolbitmap_afternewtext.png", dbg_btm_counter);
501 sprintf(filename2, "state%dbooltext_afternewtext.png", dbg_btm_counter);
502 sprintf(filename3, "state%dbitmap_afternewtext.png", dbg_btm_counter);
503 msg("<verbose> %s %s %s", filename1, filename2, filename3);
504 writeAlpha(stalepolybitmap, filename1);
505 writeAlpha(booltextbitmap, filename2);
506 writeBitmap(rgbdev->getBitmap(), filename3);
511 if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
512 if(layerstate==STATE_PARALLEL) {
513 /* the new text is above the bitmap. So record that fact. */
514 msg("<verbose> Text is above current bitmap/polygon data");
515 layerstate=STATE_TEXT_IS_ABOVE;
516 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
517 } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
518 /* there's a bitmap above the (old) text. So we need
519 to flush out that text, and record that the *new*
520 text is now *above* the bitmap
522 msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
524 layerstate=STATE_TEXT_IS_ABOVE;
527 /* re-apply the update (which we would otherwise lose) */
528 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
531 /* we already know that the current text section is
532 above the current bitmap section- now just new
533 bitmap data *and* new text data was drawn, and
534 *again* it's above the current bitmap. */
535 msg("<verbose> Text is still above current bitmap/polygon data");
536 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
539 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
542 /* clear the thing we just drew from our temporary drawing bitmap */
543 clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
547 GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
549 /* similar to checkNewText() above, only in reverse */
550 msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
556 sprintf(filename1, "state%dboolbitmap_afternewgfx.png", dbg_btm_counter);
557 sprintf(filename2, "state%dbooltext_afternewgfx.png", dbg_btm_counter);
558 sprintf(filename3, "state%dbitmap_afternewgfx.png", dbg_btm_counter);
559 msg("<verbose> %s %s %s", filename1, filename2, filename3);
560 writeAlpha(stalepolybitmap, filename1);
561 writeAlpha(booltextbitmap, filename2);
562 writeBitmap(rgbdev->getBitmap(), filename3);
567 if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
568 if(layerstate==STATE_PARALLEL) {
569 msg("<verbose> Bitmap is above current text data");
570 layerstate=STATE_BITMAP_IS_ABOVE;
571 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
572 } else if(layerstate==STATE_TEXT_IS_ABOVE) {
573 msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
575 layerstate=STATE_BITMAP_IS_ABOVE;
577 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
580 msg("<verbose> Bitmap is still above current text data");
581 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
584 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
587 /* clear the thing we just drew from our temporary drawing bitmap */
588 clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
593 //void checkNewText() {
594 // Guchar*alpha = rgbbitmap->getAlphaPtr();
595 // Guchar*charpixels = clip1bitmap->getDataPtr();
597 // for(yy=0;yy<height;yy++) {
598 // Guchar*aline = &alpha[yy*width];
599 // Guchar*cline = &charpixels[yy*width8];
600 // for(xx=0;xx<width;xx++) {
602 // int bytepos = xx>>3;
603 // /* TODO: is the bit order correct? */
604 // if(aline[xx] && (cline[bytepos]&(1<<bit)))
611 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
613 if(clip0bitmap->getMode()==splashModeMono1) {
614 int width = clip0bitmap->getWidth();
615 int width8 = (width+7)/8;
616 int height = clip0bitmap->getHeight();
618 if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
619 /* area is outside or null */
623 SplashBitmap*clip0 = clip0bitmap;
624 SplashBitmap*clip1 = clip1bitmap;
630 unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
631 unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
632 if(memcmp(row1, row2, x28-x18)) {
638 SplashBitmap*clip0 = clip0bitmap;
639 SplashBitmap*clip1 = clip1bitmap;
640 int width = clip0->getAlphaRowSize();
641 int height = clip0->getHeight();
643 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
647 Guchar*a0 = clip0->getAlphaPtr();
648 Guchar*a1 = clip1->getAlphaPtr();
653 if(a0[y*width+x]!=a1[y*width+x]) {
661 char differs2 = memcmp(a0, a1, width*height);
662 if(differs && !differs2)
663 msg("<warning> Strange internal error (2)");
664 else if(!differs && differs2) {
665 msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
666 msg("<warning> %d %d %d %d", x1, y1, x2, y2);
672 GBool compare8(unsigned char*data1, unsigned char*data2, int len)
676 if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
677 // oh good, we can do aligning
678 while((ptroff_t)data1&7) {
687 /* use 64 bit for the (hopefully aligned) middle section */
689 long long unsigned int*d1 = (long long unsigned int*)data1;
690 long long unsigned int*d2 = (long long unsigned int*)data2;
691 long long unsigned int x = 0;
703 if(data1[t]&data2[t]) {
710 GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
712 if(boolpoly->getMode()==splashModeMono1) {
713 /* alternative implementation, using one bit per pixel-
714 needs the no-dither patch in xpdf */
716 int width = boolpoly->getWidth();
717 int height = boolpoly->getHeight();
719 if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
723 Guchar*polypixels = boolpoly->getDataPtr();
724 Guchar*textpixels = booltext->getDataPtr();
726 int width8 = (width+7)/8;
731 polypixels+=y1*width8+x1/8;
732 textpixels+=y1*width8+x1/8;
733 runx=(x2+7)/8 - x1/8;
740 /*assert(sizeof(unsigned long long int)==8);
741 if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
742 //msg("<warning> Non-optimal alignment");
746 unsigned char*data1 = (unsigned char*)polypixels;
747 unsigned char*data2 = (unsigned char*)textpixels;
748 msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
749 for(y=0;y<runy;y++) {
750 if(compare8(data1,data2,runx))
757 int width = boolpoly->getAlphaRowSize();
758 int height = boolpoly->getHeight();
760 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
763 Guchar*polypixels = boolpoly->getAlphaPtr();
764 Guchar*textpixels = booltext->getAlphaPtr();
771 if(polypixels[width*y+x]&&textpixels[width*y+x])
775 int ax1=0,ay1=0,ax2=0,ay2=0;
776 for(y=0;y<height;y++) {
777 for(x=0;x<width;x++) {
778 if(polypixels[width*y+x]&&textpixels[width*y+x]) {
780 if(!(ax1|ay1|ax2|ay2)) {
792 if(overlap1 && !overlap2)
793 msg("<warning> strange internal error");
794 if(!overlap1 && overlap2) {
795 msg("<warning> Bad bounding box: intersection outside bbox");
796 msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
797 msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
804 void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
807 state->transform(crop_x1,crop_y1,&x1,&y1);
808 state->transform(crop_x2,crop_y2,&x2,&y2);
809 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
810 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
812 this->movex = -(int)x1 - user_movex;
813 this->movey = -(int)y1 - user_movey;
815 if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
821 this->width = (int)(x2-x1);
822 this->height = (int)(y2-y1);
824 msg("<debug> startPage");
825 rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
826 boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
827 booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
828 clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
829 clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
830 gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
832 boolpolybitmap = boolpolydev->getBitmap();
833 stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
834 assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
836 booltextbitmap = booltextdev->getBitmap();
837 staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
838 assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
840 clip0bitmap = clip0dev->getBitmap();
841 clip1bitmap = clip1dev->getBitmap();
842 rgbbitmap = rgbdev->getBitmap();
844 flushText(); // write out the initial clipping rectangle
846 /* just in case any device did draw a white background rectangle
851 this->layerstate = STATE_PARALLEL;
853 msg("<debug> startPage done");
856 void BitmapOutputDev::endPage()
858 msg("<verbose> endPage (BitmapOutputDev)");
860 /* notice: we're not fully done yet with this page- there might still be
861 a few calls to drawLink() yet to come */
863 void BitmapOutputDev::finishPage()
865 msg("<verbose> finishPage (BitmapOutputDev)");
868 if(layerstate == STATE_BITMAP_IS_ABOVE) {
876 /* splash will now destroy alpha, and paint the
877 background color into the "holes" in the bitmap */
878 boolpolydev->endPage();
879 booltextdev->endPage();
885 GBool BitmapOutputDev::upsideDown()
887 boolpolydev->upsideDown();
888 booltextdev->upsideDown();
889 clip0dev->upsideDown();
890 clip1dev->upsideDown();
891 return rgbdev->upsideDown();
894 GBool BitmapOutputDev::useDrawChar()
896 boolpolydev->useDrawChar();
897 booltextdev->useDrawChar();
898 clip0dev->useDrawChar();
899 clip1dev->useDrawChar();
900 return rgbdev->useDrawChar();
903 GBool BitmapOutputDev::useTilingPatternFill()
905 boolpolydev->useTilingPatternFill();
906 booltextdev->useTilingPatternFill();
907 clip0dev->useTilingPatternFill();
908 clip1dev->useTilingPatternFill();
909 return rgbdev->useTilingPatternFill();
912 GBool BitmapOutputDev::useShadedFills()
914 boolpolydev->useShadedFills();
915 booltextdev->useShadedFills();
916 clip0dev->useShadedFills();
917 clip1dev->useShadedFills();
918 return rgbdev->useShadedFills();
921 GBool BitmapOutputDev::useDrawForm()
923 boolpolydev->useDrawForm();
924 booltextdev->useDrawForm();
925 clip0dev->useDrawForm();
926 clip1dev->useDrawForm();
927 return rgbdev->useDrawForm();
930 GBool BitmapOutputDev::interpretType3Chars()
932 boolpolydev->interpretType3Chars();
933 booltextdev->interpretType3Chars();
934 clip0dev->interpretType3Chars();
935 clip1dev->interpretType3Chars();
936 return rgbdev->interpretType3Chars();
939 GBool BitmapOutputDev::needNonText()
941 boolpolydev->needNonText();
942 booltextdev->needNonText();
943 clip0dev->needNonText();
944 clip1dev->needNonText();
945 return rgbdev->needNonText();
947 /*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
948 int rotate, GBool useMediaBox, GBool crop,
949 int sliceX, int sliceY, int sliceW, int sliceH,
950 GBool printing, Catalog *catalog,
951 GBool (*abortCheckCbk)(void *data),
952 void *abortCheckCbkData)
956 void BitmapOutputDev::setDefaultCTM(double *ctm)
958 boolpolydev->setDefaultCTM(ctm);
959 booltextdev->setDefaultCTM(ctm);
960 rgbdev->setDefaultCTM(ctm);
961 clip0dev->setDefaultCTM(ctm);
962 clip1dev->setDefaultCTM(ctm);
963 gfxdev->setDefaultCTM(ctm);
965 void BitmapOutputDev::saveState(GfxState *state)
967 boolpolydev->saveState(state);
968 booltextdev->saveState(state);
969 rgbdev->saveState(state);
970 clip0dev->saveState(state);
971 clip1dev->saveState(state);
973 /*ClipState*cstate = new ClipState();
974 cstate->next = this->clipstates;
975 this->clipstates = cstate;*/
977 void BitmapOutputDev::restoreState(GfxState *state)
979 boolpolydev->restoreState(state);
980 booltextdev->restoreState(state);
981 rgbdev->restoreState(state);
982 clip0dev->restoreState(state);
983 clip1dev->restoreState(state);
985 /*if(this->clipstates) {
986 ClipState*old = this->clipstates;
988 gfxdev->restoreState(state);
990 this->clipstates = this->clipstates->next;
993 msg("<error> invalid restoreState()");
996 void BitmapOutputDev::updateAll(GfxState *state)
998 boolpolydev->updateAll(state);
999 booltextdev->updateAll(state);
1000 rgbdev->updateAll(state);
1001 clip0dev->updateAll(state);
1002 clip1dev->updateAll(state);
1003 gfxdev->updateAll(state);
1005 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
1007 boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1008 booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1009 rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1010 clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1011 clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1012 gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1014 void BitmapOutputDev::updateLineDash(GfxState *state)
1016 boolpolydev->updateLineDash(state);
1017 booltextdev->updateLineDash(state);
1018 rgbdev->updateLineDash(state);
1019 clip0dev->updateLineDash(state);
1020 clip1dev->updateLineDash(state);
1021 gfxdev->updateLineDash(state);
1023 void BitmapOutputDev::updateFlatness(GfxState *state)
1025 boolpolydev->updateFlatness(state);
1026 booltextdev->updateFlatness(state);
1027 rgbdev->updateFlatness(state);
1028 clip0dev->updateFlatness(state);
1029 clip1dev->updateFlatness(state);
1030 gfxdev->updateFlatness(state);
1032 void BitmapOutputDev::updateLineJoin(GfxState *state)
1034 boolpolydev->updateLineJoin(state);
1035 booltextdev->updateLineJoin(state);
1036 rgbdev->updateLineJoin(state);
1037 clip0dev->updateLineJoin(state);
1038 clip1dev->updateLineJoin(state);
1039 gfxdev->updateLineJoin(state);
1041 void BitmapOutputDev::updateLineCap(GfxState *state)
1043 boolpolydev->updateLineCap(state);
1044 booltextdev->updateLineCap(state);
1045 rgbdev->updateLineCap(state);
1046 clip0dev->updateLineCap(state);
1047 clip1dev->updateLineCap(state);
1048 gfxdev->updateLineCap(state);
1050 void BitmapOutputDev::updateMiterLimit(GfxState *state)
1052 boolpolydev->updateMiterLimit(state);
1053 booltextdev->updateMiterLimit(state);
1054 rgbdev->updateMiterLimit(state);
1055 clip0dev->updateMiterLimit(state);
1056 clip1dev->updateMiterLimit(state);
1057 gfxdev->updateMiterLimit(state);
1059 void BitmapOutputDev::updateLineWidth(GfxState *state)
1061 boolpolydev->updateLineWidth(state);
1062 booltextdev->updateLineWidth(state);
1063 rgbdev->updateLineWidth(state);
1064 clip0dev->updateLineWidth(state);
1065 clip1dev->updateLineWidth(state);
1066 gfxdev->updateLineWidth(state);
1068 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
1070 boolpolydev->updateStrokeAdjust(state);
1071 booltextdev->updateStrokeAdjust(state);
1072 rgbdev->updateStrokeAdjust(state);
1073 clip0dev->updateStrokeAdjust(state);
1074 clip1dev->updateStrokeAdjust(state);
1075 gfxdev->updateStrokeAdjust(state);
1077 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
1079 boolpolydev->updateFillColorSpace(state);
1080 booltextdev->updateFillColorSpace(state);
1081 rgbdev->updateFillColorSpace(state);
1082 clip0dev->updateFillColorSpace(state);
1083 clip1dev->updateFillColorSpace(state);
1084 gfxdev->updateFillColorSpace(state);
1086 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
1088 boolpolydev->updateStrokeColorSpace(state);
1089 booltextdev->updateStrokeColorSpace(state);
1090 rgbdev->updateStrokeColorSpace(state);
1091 clip0dev->updateStrokeColorSpace(state);
1092 clip1dev->updateStrokeColorSpace(state);
1093 gfxdev->updateStrokeColorSpace(state);
1095 void BitmapOutputDev::updateFillColor(GfxState *state)
1097 boolpolydev->updateFillColor(state);
1098 booltextdev->updateFillColor(state);
1099 rgbdev->updateFillColor(state);
1100 clip0dev->updateFillColor(state);
1101 clip1dev->updateFillColor(state);
1102 gfxdev->updateFillColor(state);
1104 void BitmapOutputDev::updateStrokeColor(GfxState *state)
1106 boolpolydev->updateStrokeColor(state);
1107 booltextdev->updateStrokeColor(state);
1108 rgbdev->updateStrokeColor(state);
1109 clip0dev->updateStrokeColor(state);
1110 clip1dev->updateStrokeColor(state);
1111 gfxdev->updateStrokeColor(state);
1113 void BitmapOutputDev::updateBlendMode(GfxState *state)
1115 boolpolydev->updateBlendMode(state);
1116 booltextdev->updateBlendMode(state);
1117 rgbdev->updateBlendMode(state);
1118 clip0dev->updateBlendMode(state);
1119 clip1dev->updateBlendMode(state);
1120 gfxdev->updateBlendMode(state);
1122 void BitmapOutputDev::updateFillOpacity(GfxState *state)
1124 boolpolydev->updateFillOpacity(state);
1125 booltextdev->updateFillOpacity(state);
1126 rgbdev->updateFillOpacity(state);
1127 clip0dev->updateFillOpacity(state);
1128 clip1dev->updateFillOpacity(state);
1129 gfxdev->updateFillOpacity(state);
1131 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
1133 boolpolydev->updateStrokeOpacity(state);
1134 booltextdev->updateStrokeOpacity(state);
1135 rgbdev->updateStrokeOpacity(state);
1136 clip0dev->updateStrokeOpacity(state);
1137 clip1dev->updateStrokeOpacity(state);
1138 gfxdev->updateStrokeOpacity(state);
1140 void BitmapOutputDev::updateFillOverprint(GfxState *state)
1142 boolpolydev->updateFillOverprint(state);
1143 booltextdev->updateFillOverprint(state);
1144 rgbdev->updateFillOverprint(state);
1145 clip0dev->updateFillOverprint(state);
1146 clip1dev->updateFillOverprint(state);
1147 gfxdev->updateFillOverprint(state);
1149 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
1151 boolpolydev->updateStrokeOverprint(state);
1152 booltextdev->updateStrokeOverprint(state);
1153 rgbdev->updateStrokeOverprint(state);
1154 clip0dev->updateStrokeOverprint(state);
1155 clip1dev->updateStrokeOverprint(state);
1156 gfxdev->updateStrokeOverprint(state);
1158 void BitmapOutputDev::updateTransfer(GfxState *state)
1160 boolpolydev->updateTransfer(state);
1161 booltextdev->updateTransfer(state);
1162 rgbdev->updateTransfer(state);
1163 clip0dev->updateTransfer(state);
1164 clip1dev->updateTransfer(state);
1165 gfxdev->updateTransfer(state);
1168 void BitmapOutputDev::updateFont(GfxState *state)
1170 boolpolydev->updateFont(state);
1171 booltextdev->updateFont(state);
1172 rgbdev->updateFont(state);
1173 clip0dev->updateFont(state);
1174 clip1dev->updateFont(state);
1175 gfxdev->updateFont(state);
1177 void BitmapOutputDev::updateTextMat(GfxState *state)
1179 boolpolydev->updateTextMat(state);
1180 booltextdev->updateTextMat(state);
1181 rgbdev->updateTextMat(state);
1182 clip0dev->updateTextMat(state);
1183 clip1dev->updateTextMat(state);
1184 gfxdev->updateTextMat(state);
1186 void BitmapOutputDev::updateCharSpace(GfxState *state)
1188 boolpolydev->updateCharSpace(state);
1189 booltextdev->updateCharSpace(state);
1190 rgbdev->updateCharSpace(state);
1191 clip0dev->updateCharSpace(state);
1192 clip1dev->updateCharSpace(state);
1193 gfxdev->updateCharSpace(state);
1195 void BitmapOutputDev::updateRender(GfxState *state)
1197 boolpolydev->updateRender(state);
1198 booltextdev->updateRender(state);
1199 rgbdev->updateRender(state);
1200 clip0dev->updateRender(state);
1201 clip1dev->updateRender(state);
1202 gfxdev->updateRender(state);
1204 void BitmapOutputDev::updateRise(GfxState *state)
1206 boolpolydev->updateRise(state);
1207 booltextdev->updateRise(state);
1208 rgbdev->updateRise(state);
1209 clip0dev->updateRise(state);
1210 clip1dev->updateRise(state);
1211 gfxdev->updateRise(state);
1213 void BitmapOutputDev::updateWordSpace(GfxState *state)
1215 boolpolydev->updateWordSpace(state);
1216 booltextdev->updateWordSpace(state);
1217 rgbdev->updateWordSpace(state);
1218 clip0dev->updateWordSpace(state);
1219 clip1dev->updateWordSpace(state);
1220 gfxdev->updateWordSpace(state);
1222 void BitmapOutputDev::updateHorizScaling(GfxState *state)
1224 boolpolydev->updateHorizScaling(state);
1225 booltextdev->updateHorizScaling(state);
1226 rgbdev->updateHorizScaling(state);
1227 clip0dev->updateHorizScaling(state);
1228 clip1dev->updateHorizScaling(state);
1229 gfxdev->updateHorizScaling(state);
1231 void BitmapOutputDev::updateTextPos(GfxState *state)
1233 boolpolydev->updateTextPos(state);
1234 booltextdev->updateTextPos(state);
1235 rgbdev->updateTextPos(state);
1236 clip0dev->updateTextPos(state);
1237 clip1dev->updateTextPos(state);
1238 gfxdev->updateTextPos(state);
1240 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
1242 boolpolydev->updateTextShift(state, shift);
1243 booltextdev->updateTextShift(state, shift);
1244 rgbdev->updateTextShift(state, shift);
1245 clip0dev->updateTextShift(state, shift);
1246 clip1dev->updateTextShift(state, shift);
1247 gfxdev->updateTextShift(state, shift);
1250 double max(double x, double y)
1254 double min(double x, double y)
1259 gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
1261 GfxPath * path = state->getPath();
1262 int num = path->getNumSubpaths();
1263 gfxbbox_t bbox = {0,0,1,1};
1266 for(t = 0; t < num; t++) {
1267 GfxSubpath *subpath = path->getSubpath(t);
1268 int subnum = subpath->getNumPoints();
1270 for(s=0;s<subnum;s++) {
1272 state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
1274 bbox.xmin = x; bbox.ymin = y;
1275 bbox.xmax = x; bbox.ymax = y;
1278 bbox.xmin = min(bbox.xmin, x);
1279 bbox.ymin = min(bbox.ymin, y);
1280 bbox.xmax = max(bbox.xmax, x);
1281 bbox.ymax = max(bbox.ymax, y);
1288 void BitmapOutputDev::stroke(GfxState *state)
1290 msg("<debug> stroke");
1291 boolpolydev->stroke(state);
1292 gfxbbox_t bbox = getBBox(state);
1293 double width = state->getTransformedLineWidth();
1294 bbox.xmin -= width; bbox.ymin -= width;
1295 bbox.xmax += width; bbox.ymax += width;
1296 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1297 rgbdev->stroke(state);
1299 void BitmapOutputDev::fill(GfxState *state)
1301 msg("<debug> fill");
1302 boolpolydev->fill(state);
1303 gfxbbox_t bbox = getBBox(state);
1304 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1305 rgbdev->fill(state);
1307 void BitmapOutputDev::eoFill(GfxState *state)
1309 msg("<debug> eoFill");
1310 boolpolydev->eoFill(state);
1311 gfxbbox_t bbox = getBBox(state);
1312 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1313 rgbdev->eoFill(state);
1315 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1316 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1317 int paintType, Dict *resDict,
1318 double *mat, double *bbox,
1319 int x0, int y0, int x1, int y1,
1320 double xStep, double yStep)
1322 msg("<debug> tilingPatternFill");
1323 boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1324 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1325 rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1328 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1329 int paintType, Dict *resDict,
1330 double *mat, double *bbox,
1331 int x0, int y0, int x1, int y1,
1332 double xStep, double yStep)
1334 msg("<debug> tilingPatternFill");
1335 boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1336 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1337 rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1341 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1343 msg("<debug> functionShadedFill");
1344 boolpolydev->functionShadedFill(state, shading);
1345 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1346 return rgbdev->functionShadedFill(state, shading);
1348 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1350 msg("<debug> axialShadedFill");
1351 boolpolydev->axialShadedFill(state, shading);
1352 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1353 return rgbdev->axialShadedFill(state, shading);
1355 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1357 msg("<debug> radialShadedFill");
1358 boolpolydev->radialShadedFill(state, shading);
1359 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1360 return rgbdev->radialShadedFill(state, shading);
1363 SplashColor black = {0,0,0};
1364 SplashColor white = {255,255,255};
1366 void BitmapOutputDev::clip(GfxState *state)
1368 msg("<debug> clip");
1369 boolpolydev->clip(state);
1370 booltextdev->clip(state);
1371 rgbdev->clip(state);
1372 clip1dev->clip(state);
1374 void BitmapOutputDev::eoClip(GfxState *state)
1376 msg("<debug> eoClip");
1377 boolpolydev->eoClip(state);
1378 booltextdev->eoClip(state);
1379 rgbdev->eoClip(state);
1380 clip1dev->eoClip(state);
1382 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1384 msg("<debug> clipToStrokePath");
1385 boolpolydev->clipToStrokePath(state);
1386 booltextdev->clipToStrokePath(state);
1387 rgbdev->clipToStrokePath(state);
1388 clip1dev->clipToStrokePath(state);
1391 void BitmapOutputDev::beginStringOp(GfxState *state)
1393 msg("<debug> beginStringOp");
1394 clip0dev->beginStringOp(state);
1395 clip1dev->beginStringOp(state);
1396 booltextdev->beginStringOp(state);
1397 gfxdev->beginStringOp(state);
1399 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1401 msg("<debug> beginString");
1402 clip0dev->beginString(state, s);
1403 clip1dev->beginString(state, s);
1404 booltextdev->beginString(state, s);
1405 gfxdev->beginString(state, s);
1408 void BitmapOutputDev::clearClips()
1410 clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
1411 clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
1413 void BitmapOutputDev::clearBoolPolyDev()
1415 clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
1417 void BitmapOutputDev::clearBoolTextDev()
1419 clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
1421 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1422 double dx, double dy,
1423 double originX, double originY,
1424 CharCode code, int nBytes, Unicode *u, int uLen)
1426 msg("<debug> drawChar render=%d", state->getRender());
1428 if(state->getRender()&RENDER_CLIP) {
1429 //char is just a clipping boundary
1430 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1431 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1432 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1433 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1434 } else if(rgbbitmap != rgbdev->getBitmap()) {
1435 // we're doing softmasking or transparency grouping
1436 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1437 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1439 // we're drawing a regular char
1441 clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1442 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1444 /* calculate the bbox of this character */
1445 int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1446 SplashFont*font = clip0dev->getCurrentFont();
1447 SplashPath*path = font?font->getGlyphPath(code):NULL;
1451 msg("<error> couldn't create outline for char %d", code);
1456 path->offset((SplashCoord)x, (SplashCoord)y);
1458 for(t=0;t<path->getLength();t++) {
1461 path->getPoint(t,&xx,&yy,&f);
1462 state->transform(xx,yy,&xx,&yy);
1463 if(xx<x1) x1=(int)xx;
1464 if(yy<y1) y1=(int)yy;
1465 if(xx>=x2) x2=(int)xx+1;
1466 if(yy>=y2) y2=(int)yy+1;
1468 delete(path);path=0;
1470 /* if this character is affected somehow by the various clippings (i.e., it looks
1471 different on a device without clipping), then draw it on the bitmap, not as
1473 if(clip0and1differ(x1,y1,x2,y2)) {
1474 msg("<verbose> Char %d is affected by clipping", code);
1475 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1476 checkNewBitmap(x1,y1,x2,y2);
1477 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1478 if(config_extrafontdata) {
1479 int oldrender = state->getRender();
1480 state->setRender(3); //invisible
1481 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1482 state->setRender(oldrender);
1486 /* this char is not at all affected by clipping.
1487 Now just dump out the bitmap we're currently working on, if necessary. */
1488 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1489 checkNewText(x1,y1,x2,y2);
1490 /* use polygonal output device to do the actual text handling */
1491 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1495 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1497 msg("<error> internal error: drawString not implemented");
1500 void BitmapOutputDev::endTextObject(GfxState *state)
1502 msg("<debug> endTextObject");
1503 rgbdev->endTextObject(state);
1504 clip0dev->endTextObject(state);
1505 clip1dev->endTextObject(state);
1506 booltextdev->endTextObject(state);
1507 /* the only thing "drawn" here is clipping */
1508 //checkNewText(UNKNOWN_BOUNDING_BOX);
1509 gfxdev->endTextObject(state);
1511 void BitmapOutputDev::endString(GfxState *state)
1513 msg("<debug> endString");
1514 clip0dev->endString(state);
1515 clip1dev->endString(state);
1516 booltextdev->endString(state);
1517 int render = state->getRender();
1518 if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
1519 /* xpdf draws things like stroke text or fill+stroke text in the
1520 endString() method */
1521 checkNewText(UNKNOWN_BOUNDING_BOX);
1523 gfxdev->endString(state);
1525 void BitmapOutputDev::endStringOp(GfxState *state)
1527 msg("<debug> endStringOp");
1528 clip0dev->endStringOp(state);
1529 clip1dev->endStringOp(state);
1530 booltextdev->endStringOp(state);
1531 gfxdev->endStringOp(state);
1534 /* TODO: these four operations below *should* do nothing, as type3
1535 chars are drawn using operations like fill() */
1536 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1537 double dx, double dy,
1538 CharCode code, Unicode *u, int uLen)
1540 msg("<debug> beginType3Char");
1541 /* call gfxdev so that it can generate "invisible" characters
1542 on top of the actual graphic content, for text extraction */
1543 return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1545 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1547 msg("<debug> type3D0");
1548 return gfxdev->type3D0(state, wx, wy);
1550 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1552 msg("<debug> type3D1");
1553 return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1555 void BitmapOutputDev::endType3Char(GfxState *state)
1557 msg("<debug> endType3Char");
1558 gfxdev->endType3Char(state);
1561 class CopyStream: public Object
1565 MemStream*memstream;
1567 CopyStream(Stream*str, int len)
1572 buf = (char*)malloc(len);
1574 for (t=0; t<len; t++)
1575 buf[t] = str->getChar();
1578 this->dict = str->getDict();
1579 this->memstream = new MemStream(buf, 0, len, this);
1583 ::free(this->buf);this->buf = 0;
1584 delete this->memstream;
1586 Dict* getDict() {return dict;}
1587 Stream* getStream() {return this->memstream;};
1590 gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
1594 state->transform(0, 1, &x, &y);
1595 bbox.xmin=bbox.xmax = x;
1596 bbox.ymin=bbox.ymax = x;
1597 state->transform(0, 0, &x, &y);
1598 bbox.xmin=min(bbox.xmin,x);
1599 bbox.ymin=min(bbox.ymin,y);
1600 bbox.xmax=max(bbox.xmin,x);
1601 bbox.ymax=max(bbox.ymin,y);
1602 state->transform(1, 0, &x, &y);
1603 bbox.xmin=min(bbox.xmin,x);
1604 bbox.ymin=min(bbox.ymin,y);
1605 bbox.xmax=max(bbox.xmin,x);
1606 bbox.ymax=max(bbox.ymin,y);
1607 state->transform(1, 1, &x, &y);
1608 bbox.xmin=min(bbox.xmin,x);
1609 bbox.ymin=min(bbox.ymin,y);
1610 bbox.xmax=max(bbox.xmin,x);
1611 bbox.ymax=max(bbox.ymin,y);
1614 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1615 int width, int height, GBool invert,
1618 msg("<debug> drawImageMask streamkind=%d", str->getKind());
1619 CopyStream*cpystr = 0;
1621 cpystr = new CopyStream(str, height * ((width + 7) / 8));
1622 str = cpystr->getStream();
1624 boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1625 gfxbbox_t bbox = getImageBBox(state);
1626 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1627 rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1631 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1632 int width, int height, GfxImageColorMap *colorMap,
1633 int *maskColors, GBool inlineImg)
1635 msg("<debug> drawImage streamkind=%d", str->getKind());
1636 CopyStream*cpystr = 0;
1638 cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1639 str = cpystr->getStream();
1641 boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1642 gfxbbox_t bbox=getImageBBox(state);
1643 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1644 rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1648 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1649 int width, int height,
1650 GfxImageColorMap *colorMap,
1651 Stream *maskStr, int maskWidth, int maskHeight,
1654 msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1655 boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1656 gfxbbox_t bbox=getImageBBox(state);
1657 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1658 rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1660 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1661 int width, int height,
1662 GfxImageColorMap *colorMap,
1664 int maskWidth, int maskHeight,
1665 GfxImageColorMap *maskColorMap)
1667 msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1668 boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1669 gfxbbox_t bbox=getImageBBox(state);
1670 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1671 rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1673 void BitmapOutputDev::drawForm(Ref id)
1675 msg("<debug> drawForm");
1676 boolpolydev->drawForm(id);
1677 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1678 rgbdev->drawForm(id);
1681 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1683 msg("<debug> processLink");
1684 gfxdev->processLink(link, catalog);
1687 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1688 GfxColorSpace *blendingColorSpace,
1689 GBool isolated, GBool knockout,
1692 msg("<debug> beginTransparencyGroup");
1693 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1694 GfxState*state1 = state->copy();
1695 GfxState*state2 = state->copy();
1697 state1->setPath(state->getPath()->copy());
1699 state2->setPath(state->getPath()->copy());
1701 GfxState*state1 = state->copy(gTrue);
1702 GfxState*state2 = state->copy(gTrue);
1704 boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1705 rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1706 clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1710 void BitmapOutputDev::endTransparencyGroup(GfxState *state)
1712 msg("<debug> endTransparencyGroup");
1713 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1714 GfxState*state1 = state->copy();
1715 GfxState*state2 = state->copy();
1717 state1->setPath(state->getPath()->copy());
1719 state2->setPath(state->getPath()->copy());
1721 GfxState*state1 = state->copy(gTrue);
1722 GfxState*state2 = state->copy(gTrue);
1724 boolpolydev->endTransparencyGroup(state1);
1725 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1726 rgbdev->endTransparencyGroup(state2);
1729 clip1dev->endTransparencyGroup(state);
1731 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1733 msg("<debug> paintTransparencyGroup");
1734 boolpolydev->paintTransparencyGroup(state,bbox);
1735 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1736 rgbdev->paintTransparencyGroup(state,bbox);
1737 clip1dev->paintTransparencyGroup(state,bbox);
1739 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1741 msg("<debug> setSoftMask");
1742 boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1743 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1744 rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1745 clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1747 void BitmapOutputDev::clearSoftMask(GfxState *state)
1749 msg("<debug> clearSoftMask");
1750 boolpolydev->clearSoftMask(state);
1751 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1752 rgbdev->clearSoftMask(state);
1753 clip1dev->clearSoftMask(state);