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, this
257 data has non-premultiplied alpha, which is exactly what the output device
258 expects, so don't premultiply it here, either.
260 out[x].r = in[x*3+0];
261 out[x].g = in[x*3+1];
262 out[x].b = in[x*3+2];
269 /* transform bitmap rectangle to "device space" */
283 gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
284 dev->fillbitmap(dev, line, img, &m, 0);
287 free(img->data);img->data=0;free(img);img=0;
289 ibbox_destroy(boxes);
291 memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
292 memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
297 void BitmapOutputDev::flushText()
299 msg("<verbose> Flushing text");
300 gfxdevice_record_flush(this->gfxoutput, this->dev);
305 void writeMonoBitmap(SplashBitmap*btm, char*filename)
307 int width8 = (btm->getWidth()+7)/8;
308 int width = btm->getWidth();
309 int height = btm->getHeight();
310 gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
311 unsigned char*data = btm->getDataPtr();
313 for(y=0;y<height;y++) {
314 unsigned char*l = &data[width8*y];
315 gfxcolor_t*d = &b[width*y];
316 for(x=0;x<width;x++) {
317 if(l[x>>3]&(128>>(x&7))) {
318 d[x].r = d[x].b = d[x].a = 255;
321 d[x].r = d[x].g = d[x].b = d[x].a = 0;
325 writePNG(filename, (unsigned char*)b, width, height);
329 void writeBitmap(SplashBitmap*bitmap, char*filename)
333 int width = bitmap->getWidth();
334 int height = bitmap->getHeight();
336 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
338 if(bitmap->getMode()==splashModeMono1) {
339 writeMonoBitmap(bitmap, filename);
343 for(y=0;y<height;y++) {
344 gfxcolor_t*line = &data[y*width];
345 for(x=0;x<width;x++) {
346 Guchar c[4] = {0,0,0,0};
347 bitmap->getPixel(x,y,c);
351 line[x].a = bitmap->getAlpha(x,y);
354 writePNG(filename, (unsigned char*)data, width, height);
358 void writeAlpha(SplashBitmap*bitmap, char*filename)
362 int width = bitmap->getWidth();
363 int height = bitmap->getHeight();
365 if(bitmap->getMode()==splashModeMono1) {
366 writeMonoBitmap(bitmap, filename);
370 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
372 for(y=0;y<height;y++) {
373 gfxcolor_t*line = &data[y*width];
374 for(x=0;x<width;x++) {
375 int a = bitmap->getAlpha(x,y);
382 writePNG(filename, (unsigned char*)data, width, height);
386 static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
388 int checkAlphaSanity(SplashBitmap*boolbtm, SplashBitmap*alphabtm)
390 assert(boolbtm->getWidth() == alphabtm->getWidth());
391 assert(boolbtm->getHeight() == alphabtm->getHeight());
392 if(boolbtm->getMode()==splashModeMono1) {
396 int width = boolbtm->getWidth();
397 int height = boolbtm->getHeight();
401 for(y=0;y<height;y++) {
402 for(x=0;x<width;x++) {
403 int a1 = alphabtm->getAlpha(x,y);
404 int a2 = boolbtm->getAlpha(x,y);
410 double badness = bad/(double)(width*height);
412 msg("<error> Bitmaps don't correspond: %d out of %d pixels wrong (%.2f%%)", bad, width*height,
416 msg("<notice> %f", badness);
420 static inline GBool fixBBox(int*x1, int*y1, int*x2, int*y2, int width, int height)
422 if(!(*x1|*y1|*x2|*y2)) {
429 if(*x2<=*x1) return gFalse;
430 if(*x2<0) return gFalse;
432 if(*x1>=width) return gFalse;
433 if(*x2>width) *x2=width;
435 if(*y2<=*y1) return gFalse;
436 if(*y2<0) return gFalse;
438 if(*y1>=height) return gFalse;
439 if(*y2>height) *y2=height;
443 static void update_bitmap(SplashBitmap*bitmap, SplashBitmap*update, int x1, int y1, int x2, int y2, char overwrite)
445 assert(bitmap->getMode()==splashModeMono1);
446 assert(update->getMode()==splashModeMono1);
448 int width8 = (bitmap->getWidth()+7)/8;
449 assert(width8 == bitmap->getRowSize());
450 assert(width8 == update->getRowSize());
451 int height = bitmap->getHeight();
452 assert(height == update->getHeight());
454 if(!fixBBox(&x1, &y1, &x2, &y2, bitmap->getWidth(), bitmap->getHeight()))
457 Guchar*b = bitmap->getDataPtr() + y1*width8 + x1/8;
458 Guchar*u = update->getDataPtr() + y1*width8 + x1/8;
460 int xspan = (x2+7)/8 - x1/8;
461 int size = (y2-y1)*width8;
465 for(y=0;y<yspan;y++) {
472 for(y=0;y<yspan;y++) {
473 for(x=0;x<xspan;x++) {
482 static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
484 if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
487 if(btm->getMode()==splashModeMono1) {
488 int width8 = (btm->getWidth()+7)/8;
489 assert(width8 == btm->getRowSize());
490 int width = btm->getWidth();
491 int height = btm->getHeight();
492 Guchar*data = btm->getDataPtr();
493 memset(data+y1*width8, 0, width8*(y2-y1));
495 int width = btm->getAlphaRowSize();
496 int height = btm->getHeight();
497 memset(btm->getAlphaPtr(), 0, width*height);
501 void BitmapOutputDev::dbg_newdata(char*newdata)
507 sprintf(filename1, "state%03dboolbitmap_after%s.png", dbg_btm_counter, newdata);
508 sprintf(filename2, "state%03dbooltext_after%s.png", dbg_btm_counter, newdata);
509 sprintf(filename3, "state%03dbitmap_after%s.png", dbg_btm_counter, newdata);
510 msg("<verbose> %s %s %s", filename1, filename2, filename3);
511 writeAlpha(stalepolybitmap, filename1);
512 writeAlpha(booltextbitmap, filename2);
513 writeBitmap(rgbdev->getBitmap(), filename3);
518 GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
520 /* called once some new text was drawn on booltextdev, and
521 before the same thing is drawn on gfxdev */
523 msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
526 if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
527 if(layerstate==STATE_PARALLEL) {
528 /* the new text is above the bitmap. So record that fact. */
529 msg("<verbose> Text is above current bitmap/polygon data");
530 layerstate=STATE_TEXT_IS_ABOVE;
531 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
532 } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
533 /* there's a bitmap above the (old) text. So we need
534 to flush out that text, and record that the *new*
535 text is now *above* the bitmap
537 msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
539 layerstate=STATE_TEXT_IS_ABOVE;
542 /* re-apply the update (which we would otherwise lose) */
543 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
546 /* we already know that the current text section is
547 above the current bitmap section- now just new
548 bitmap data *and* new text data was drawn, and
549 *again* it's above the current bitmap. */
550 msg("<verbose> Text is still above current bitmap/polygon data");
551 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
554 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
557 /* clear the thing we just drew from our temporary drawing bitmap */
558 clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
562 GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
564 /* similar to checkNewText() above, only in reverse */
565 msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
568 if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
569 if(layerstate==STATE_PARALLEL) {
570 msg("<verbose> Bitmap is above current text data");
571 layerstate=STATE_BITMAP_IS_ABOVE;
572 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
573 } else if(layerstate==STATE_TEXT_IS_ABOVE) {
574 msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
576 layerstate=STATE_BITMAP_IS_ABOVE;
578 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
581 msg("<verbose> Bitmap is still above current text data");
582 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
585 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
588 /* clear the thing we just drew from our temporary drawing bitmap */
589 clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
594 //void checkNewText() {
595 // Guchar*alpha = rgbbitmap->getAlphaPtr();
596 // Guchar*charpixels = clip1bitmap->getDataPtr();
598 // for(yy=0;yy<height;yy++) {
599 // Guchar*aline = &alpha[yy*width];
600 // Guchar*cline = &charpixels[yy*width8];
601 // for(xx=0;xx<width;xx++) {
603 // int bytepos = xx>>3;
604 // /* TODO: is the bit order correct? */
605 // if(aline[xx] && (cline[bytepos]&(1<<bit)))
612 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
614 if(clip0bitmap->getMode()==splashModeMono1) {
615 int width = clip0bitmap->getWidth();
616 int width8 = (width+7)/8;
617 int height = clip0bitmap->getHeight();
619 if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
620 /* area is outside or null */
624 SplashBitmap*clip0 = clip0bitmap;
625 SplashBitmap*clip1 = clip1bitmap;
631 unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
632 unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
633 if(memcmp(row1, row2, x28-x18)) {
639 SplashBitmap*clip0 = clip0bitmap;
640 SplashBitmap*clip1 = clip1bitmap;
641 int width = clip0->getAlphaRowSize();
642 int height = clip0->getHeight();
644 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
648 Guchar*a0 = clip0->getAlphaPtr();
649 Guchar*a1 = clip1->getAlphaPtr();
654 if(a0[y*width+x]!=a1[y*width+x]) {
662 char differs2 = memcmp(a0, a1, width*height);
663 if(differs && !differs2)
664 msg("<warning> Strange internal error (2)");
665 else if(!differs && differs2) {
666 msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
667 msg("<warning> %d %d %d %d", x1, y1, x2, y2);
673 GBool compare8(unsigned char*data1, unsigned char*data2, int len)
677 if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
678 // oh good, we can align both to 8 byte
679 while((ptroff_t)data1&7) {
688 /* use 64 bit for the (hopefully aligned) middle section */
690 long long unsigned int*d1 = (long long unsigned int*)data1;
691 long long unsigned int*d2 = (long long unsigned int*)data2;
692 long long unsigned int x = 0;
704 if(data1[t]&data2[t]) {
711 GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
713 if(boolpoly->getMode()==splashModeMono1) {
714 /* alternative implementation, using one bit per pixel-
715 needs the no-dither patch in xpdf */
717 int width = boolpoly->getWidth();
718 int height = boolpoly->getHeight();
720 if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
724 Guchar*polypixels = boolpoly->getDataPtr();
725 Guchar*textpixels = booltext->getDataPtr();
727 int width8 = (width+7)/8;
732 polypixels+=y1*width8+x1/8;
733 textpixels+=y1*width8+x1/8;
734 runx=(x2+7)/8 - x1/8;
741 /*assert(sizeof(unsigned long long int)==8);
742 if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
743 //msg("<warning> Non-optimal alignment");
747 unsigned char*data1 = (unsigned char*)polypixels;
748 unsigned char*data2 = (unsigned char*)textpixels;
749 msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
750 for(y=0;y<runy;y++) {
751 if(compare8(data1,data2,runx))
758 int width = boolpoly->getAlphaRowSize();
759 int height = boolpoly->getHeight();
761 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
764 Guchar*polypixels = boolpoly->getAlphaPtr();
765 Guchar*textpixels = booltext->getAlphaPtr();
772 if(polypixels[width*y+x]&&textpixels[width*y+x])
776 int ax1=0,ay1=0,ax2=0,ay2=0;
777 for(y=0;y<height;y++) {
778 for(x=0;x<width;x++) {
779 if(polypixels[width*y+x]&&textpixels[width*y+x]) {
781 if(!(ax1|ay1|ax2|ay2)) {
793 if(overlap1 && !overlap2)
794 msg("<warning> strange internal error");
795 if(!overlap1 && overlap2) {
796 msg("<warning> Bad bounding box: intersection outside bbox");
797 msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
798 msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
805 void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
808 state->transform(crop_x1,crop_y1,&x1,&y1);
809 state->transform(crop_x2,crop_y2,&x2,&y2);
810 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
811 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
813 this->movex = -(int)x1 - user_movex;
814 this->movey = -(int)y1 - user_movey;
816 if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
822 this->width = (int)(x2-x1);
823 this->height = (int)(y2-y1);
825 msg("<debug> startPage");
826 rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
827 boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
828 booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
829 clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
830 clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
831 gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
833 boolpolybitmap = boolpolydev->getBitmap();
834 stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
835 assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
837 booltextbitmap = booltextdev->getBitmap();
838 staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
839 assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
841 clip0bitmap = clip0dev->getBitmap();
842 clip1bitmap = clip1dev->getBitmap();
843 rgbbitmap = rgbdev->getBitmap();
845 flushText(); // write out the initial clipping rectangle
847 /* just in case any device did draw a white background rectangle
852 this->layerstate = STATE_PARALLEL;
854 msg("<debug> startPage done");
857 void BitmapOutputDev::endPage()
859 msg("<verbose> endPage (BitmapOutputDev)");
861 /* notice: we're not fully done yet with this page- there might still be
862 a few calls to drawLink() yet to come */
864 void BitmapOutputDev::finishPage()
866 msg("<verbose> finishPage (BitmapOutputDev)");
869 if(layerstate == STATE_BITMAP_IS_ABOVE) {
877 /* splash will now destroy alpha, and paint the
878 background color into the "holes" in the bitmap */
879 boolpolydev->endPage();
880 booltextdev->endPage();
886 GBool BitmapOutputDev::upsideDown()
888 boolpolydev->upsideDown();
889 booltextdev->upsideDown();
890 clip0dev->upsideDown();
891 clip1dev->upsideDown();
892 return rgbdev->upsideDown();
895 GBool BitmapOutputDev::useDrawChar()
897 boolpolydev->useDrawChar();
898 booltextdev->useDrawChar();
899 clip0dev->useDrawChar();
900 clip1dev->useDrawChar();
901 return rgbdev->useDrawChar();
904 GBool BitmapOutputDev::useTilingPatternFill()
906 boolpolydev->useTilingPatternFill();
907 booltextdev->useTilingPatternFill();
908 clip0dev->useTilingPatternFill();
909 clip1dev->useTilingPatternFill();
910 return rgbdev->useTilingPatternFill();
913 GBool BitmapOutputDev::useShadedFills()
915 boolpolydev->useShadedFills();
916 booltextdev->useShadedFills();
917 clip0dev->useShadedFills();
918 clip1dev->useShadedFills();
919 return rgbdev->useShadedFills();
922 GBool BitmapOutputDev::useDrawForm()
924 boolpolydev->useDrawForm();
925 booltextdev->useDrawForm();
926 clip0dev->useDrawForm();
927 clip1dev->useDrawForm();
928 return rgbdev->useDrawForm();
931 GBool BitmapOutputDev::interpretType3Chars()
933 boolpolydev->interpretType3Chars();
934 booltextdev->interpretType3Chars();
935 clip0dev->interpretType3Chars();
936 clip1dev->interpretType3Chars();
937 return rgbdev->interpretType3Chars();
940 GBool BitmapOutputDev::needNonText()
942 boolpolydev->needNonText();
943 booltextdev->needNonText();
944 clip0dev->needNonText();
945 clip1dev->needNonText();
946 return rgbdev->needNonText();
948 /*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
949 int rotate, GBool useMediaBox, GBool crop,
950 int sliceX, int sliceY, int sliceW, int sliceH,
951 GBool printing, Catalog *catalog,
952 GBool (*abortCheckCbk)(void *data),
953 void *abortCheckCbkData)
957 void BitmapOutputDev::setDefaultCTM(double *ctm)
959 boolpolydev->setDefaultCTM(ctm);
960 booltextdev->setDefaultCTM(ctm);
961 rgbdev->setDefaultCTM(ctm);
962 clip0dev->setDefaultCTM(ctm);
963 clip1dev->setDefaultCTM(ctm);
964 gfxdev->setDefaultCTM(ctm);
966 void BitmapOutputDev::saveState(GfxState *state)
968 boolpolydev->saveState(state);
969 booltextdev->saveState(state);
970 rgbdev->saveState(state);
971 clip0dev->saveState(state);
972 clip1dev->saveState(state);
974 /*ClipState*cstate = new ClipState();
975 cstate->next = this->clipstates;
976 this->clipstates = cstate;*/
978 void BitmapOutputDev::restoreState(GfxState *state)
980 boolpolydev->restoreState(state);
981 booltextdev->restoreState(state);
982 rgbdev->restoreState(state);
983 clip0dev->restoreState(state);
984 clip1dev->restoreState(state);
986 /*if(this->clipstates) {
987 ClipState*old = this->clipstates;
989 gfxdev->restoreState(state);
991 this->clipstates = this->clipstates->next;
994 msg("<error> invalid restoreState()");
997 void BitmapOutputDev::updateAll(GfxState *state)
999 boolpolydev->updateAll(state);
1000 booltextdev->updateAll(state);
1001 rgbdev->updateAll(state);
1002 clip0dev->updateAll(state);
1003 clip1dev->updateAll(state);
1004 gfxdev->updateAll(state);
1006 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
1008 boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1009 booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1010 rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1011 clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1012 clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1013 gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1015 void BitmapOutputDev::updateLineDash(GfxState *state)
1017 boolpolydev->updateLineDash(state);
1018 booltextdev->updateLineDash(state);
1019 rgbdev->updateLineDash(state);
1020 clip0dev->updateLineDash(state);
1021 clip1dev->updateLineDash(state);
1022 gfxdev->updateLineDash(state);
1024 void BitmapOutputDev::updateFlatness(GfxState *state)
1026 boolpolydev->updateFlatness(state);
1027 booltextdev->updateFlatness(state);
1028 rgbdev->updateFlatness(state);
1029 clip0dev->updateFlatness(state);
1030 clip1dev->updateFlatness(state);
1031 gfxdev->updateFlatness(state);
1033 void BitmapOutputDev::updateLineJoin(GfxState *state)
1035 boolpolydev->updateLineJoin(state);
1036 booltextdev->updateLineJoin(state);
1037 rgbdev->updateLineJoin(state);
1038 clip0dev->updateLineJoin(state);
1039 clip1dev->updateLineJoin(state);
1040 gfxdev->updateLineJoin(state);
1042 void BitmapOutputDev::updateLineCap(GfxState *state)
1044 boolpolydev->updateLineCap(state);
1045 booltextdev->updateLineCap(state);
1046 rgbdev->updateLineCap(state);
1047 clip0dev->updateLineCap(state);
1048 clip1dev->updateLineCap(state);
1049 gfxdev->updateLineCap(state);
1051 void BitmapOutputDev::updateMiterLimit(GfxState *state)
1053 boolpolydev->updateMiterLimit(state);
1054 booltextdev->updateMiterLimit(state);
1055 rgbdev->updateMiterLimit(state);
1056 clip0dev->updateMiterLimit(state);
1057 clip1dev->updateMiterLimit(state);
1058 gfxdev->updateMiterLimit(state);
1060 void BitmapOutputDev::updateLineWidth(GfxState *state)
1062 boolpolydev->updateLineWidth(state);
1063 booltextdev->updateLineWidth(state);
1064 rgbdev->updateLineWidth(state);
1065 clip0dev->updateLineWidth(state);
1066 clip1dev->updateLineWidth(state);
1067 gfxdev->updateLineWidth(state);
1069 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
1071 boolpolydev->updateStrokeAdjust(state);
1072 booltextdev->updateStrokeAdjust(state);
1073 rgbdev->updateStrokeAdjust(state);
1074 clip0dev->updateStrokeAdjust(state);
1075 clip1dev->updateStrokeAdjust(state);
1076 gfxdev->updateStrokeAdjust(state);
1078 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
1080 boolpolydev->updateFillColorSpace(state);
1081 booltextdev->updateFillColorSpace(state);
1082 rgbdev->updateFillColorSpace(state);
1083 clip0dev->updateFillColorSpace(state);
1084 clip1dev->updateFillColorSpace(state);
1085 gfxdev->updateFillColorSpace(state);
1087 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
1089 boolpolydev->updateStrokeColorSpace(state);
1090 booltextdev->updateStrokeColorSpace(state);
1091 rgbdev->updateStrokeColorSpace(state);
1092 clip0dev->updateStrokeColorSpace(state);
1093 clip1dev->updateStrokeColorSpace(state);
1094 gfxdev->updateStrokeColorSpace(state);
1096 void BitmapOutputDev::updateFillColor(GfxState *state)
1098 boolpolydev->updateFillColor(state);
1099 booltextdev->updateFillColor(state);
1100 rgbdev->updateFillColor(state);
1101 clip0dev->updateFillColor(state);
1102 clip1dev->updateFillColor(state);
1103 gfxdev->updateFillColor(state);
1105 void BitmapOutputDev::updateStrokeColor(GfxState *state)
1107 boolpolydev->updateStrokeColor(state);
1108 booltextdev->updateStrokeColor(state);
1109 rgbdev->updateStrokeColor(state);
1110 clip0dev->updateStrokeColor(state);
1111 clip1dev->updateStrokeColor(state);
1112 gfxdev->updateStrokeColor(state);
1114 void BitmapOutputDev::updateBlendMode(GfxState *state)
1116 boolpolydev->updateBlendMode(state);
1117 booltextdev->updateBlendMode(state);
1118 rgbdev->updateBlendMode(state);
1119 clip0dev->updateBlendMode(state);
1120 clip1dev->updateBlendMode(state);
1121 gfxdev->updateBlendMode(state);
1123 void BitmapOutputDev::updateFillOpacity(GfxState *state)
1125 boolpolydev->updateFillOpacity(state);
1126 booltextdev->updateFillOpacity(state);
1127 rgbdev->updateFillOpacity(state);
1128 clip0dev->updateFillOpacity(state);
1129 clip1dev->updateFillOpacity(state);
1130 gfxdev->updateFillOpacity(state);
1132 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
1134 boolpolydev->updateStrokeOpacity(state);
1135 booltextdev->updateStrokeOpacity(state);
1136 rgbdev->updateStrokeOpacity(state);
1137 clip0dev->updateStrokeOpacity(state);
1138 clip1dev->updateStrokeOpacity(state);
1139 gfxdev->updateStrokeOpacity(state);
1141 void BitmapOutputDev::updateFillOverprint(GfxState *state)
1143 boolpolydev->updateFillOverprint(state);
1144 booltextdev->updateFillOverprint(state);
1145 rgbdev->updateFillOverprint(state);
1146 clip0dev->updateFillOverprint(state);
1147 clip1dev->updateFillOverprint(state);
1148 gfxdev->updateFillOverprint(state);
1150 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
1152 boolpolydev->updateStrokeOverprint(state);
1153 booltextdev->updateStrokeOverprint(state);
1154 rgbdev->updateStrokeOverprint(state);
1155 clip0dev->updateStrokeOverprint(state);
1156 clip1dev->updateStrokeOverprint(state);
1157 gfxdev->updateStrokeOverprint(state);
1159 void BitmapOutputDev::updateTransfer(GfxState *state)
1161 boolpolydev->updateTransfer(state);
1162 booltextdev->updateTransfer(state);
1163 rgbdev->updateTransfer(state);
1164 clip0dev->updateTransfer(state);
1165 clip1dev->updateTransfer(state);
1166 gfxdev->updateTransfer(state);
1169 void BitmapOutputDev::updateFont(GfxState *state)
1171 boolpolydev->updateFont(state);
1172 booltextdev->updateFont(state);
1173 rgbdev->updateFont(state);
1174 clip0dev->updateFont(state);
1175 clip1dev->updateFont(state);
1176 gfxdev->updateFont(state);
1178 void BitmapOutputDev::updateTextMat(GfxState *state)
1180 boolpolydev->updateTextMat(state);
1181 booltextdev->updateTextMat(state);
1182 rgbdev->updateTextMat(state);
1183 clip0dev->updateTextMat(state);
1184 clip1dev->updateTextMat(state);
1185 gfxdev->updateTextMat(state);
1187 void BitmapOutputDev::updateCharSpace(GfxState *state)
1189 boolpolydev->updateCharSpace(state);
1190 booltextdev->updateCharSpace(state);
1191 rgbdev->updateCharSpace(state);
1192 clip0dev->updateCharSpace(state);
1193 clip1dev->updateCharSpace(state);
1194 gfxdev->updateCharSpace(state);
1196 void BitmapOutputDev::updateRender(GfxState *state)
1198 boolpolydev->updateRender(state);
1199 booltextdev->updateRender(state);
1200 rgbdev->updateRender(state);
1201 clip0dev->updateRender(state);
1202 clip1dev->updateRender(state);
1203 gfxdev->updateRender(state);
1205 void BitmapOutputDev::updateRise(GfxState *state)
1207 boolpolydev->updateRise(state);
1208 booltextdev->updateRise(state);
1209 rgbdev->updateRise(state);
1210 clip0dev->updateRise(state);
1211 clip1dev->updateRise(state);
1212 gfxdev->updateRise(state);
1214 void BitmapOutputDev::updateWordSpace(GfxState *state)
1216 boolpolydev->updateWordSpace(state);
1217 booltextdev->updateWordSpace(state);
1218 rgbdev->updateWordSpace(state);
1219 clip0dev->updateWordSpace(state);
1220 clip1dev->updateWordSpace(state);
1221 gfxdev->updateWordSpace(state);
1223 void BitmapOutputDev::updateHorizScaling(GfxState *state)
1225 boolpolydev->updateHorizScaling(state);
1226 booltextdev->updateHorizScaling(state);
1227 rgbdev->updateHorizScaling(state);
1228 clip0dev->updateHorizScaling(state);
1229 clip1dev->updateHorizScaling(state);
1230 gfxdev->updateHorizScaling(state);
1232 void BitmapOutputDev::updateTextPos(GfxState *state)
1234 boolpolydev->updateTextPos(state);
1235 booltextdev->updateTextPos(state);
1236 rgbdev->updateTextPos(state);
1237 clip0dev->updateTextPos(state);
1238 clip1dev->updateTextPos(state);
1239 gfxdev->updateTextPos(state);
1241 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
1243 boolpolydev->updateTextShift(state, shift);
1244 booltextdev->updateTextShift(state, shift);
1245 rgbdev->updateTextShift(state, shift);
1246 clip0dev->updateTextShift(state, shift);
1247 clip1dev->updateTextShift(state, shift);
1248 gfxdev->updateTextShift(state, shift);
1251 double max(double x, double y)
1255 double min(double x, double y)
1260 gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
1262 GfxPath * path = state->getPath();
1263 int num = path->getNumSubpaths();
1264 gfxbbox_t bbox = {0,0,1,1};
1267 for(t = 0; t < num; t++) {
1268 GfxSubpath *subpath = path->getSubpath(t);
1269 int subnum = subpath->getNumPoints();
1271 for(s=0;s<subnum;s++) {
1273 state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
1275 bbox.xmin = x; bbox.ymin = y;
1276 bbox.xmax = x; bbox.ymax = y;
1279 bbox.xmin = min(bbox.xmin, x);
1280 bbox.ymin = min(bbox.ymin, y);
1281 bbox.xmax = max(bbox.xmax, x);
1282 bbox.ymax = max(bbox.ymax, y);
1289 void BitmapOutputDev::stroke(GfxState *state)
1291 msg("<debug> stroke");
1292 boolpolydev->stroke(state);
1293 gfxbbox_t bbox = getBBox(state);
1294 double width = state->getTransformedLineWidth();
1295 bbox.xmin -= width; bbox.ymin -= width;
1296 bbox.xmax += width; bbox.ymax += width;
1297 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1298 rgbdev->stroke(state);
1299 dbg_newdata("stroke");
1301 void BitmapOutputDev::fill(GfxState *state)
1303 msg("<debug> fill");
1304 boolpolydev->fill(state);
1305 gfxbbox_t bbox = getBBox(state);
1306 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1307 rgbdev->fill(state);
1308 dbg_newdata("fill");
1310 void BitmapOutputDev::eoFill(GfxState *state)
1312 msg("<debug> eoFill");
1313 boolpolydev->eoFill(state);
1314 gfxbbox_t bbox = getBBox(state);
1315 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1316 rgbdev->eoFill(state);
1317 dbg_newdata("eofill");
1319 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1320 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1321 int paintType, Dict *resDict,
1322 double *mat, double *bbox,
1323 int x0, int y0, int x1, int y1,
1324 double xStep, double yStep)
1326 msg("<debug> tilingPatternFill");
1327 boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1328 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1329 rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1330 dbg_newdata("tilingpatternfill");
1333 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1334 int paintType, Dict *resDict,
1335 double *mat, double *bbox,
1336 int x0, int y0, int x1, int y1,
1337 double xStep, double yStep)
1339 msg("<debug> tilingPatternFill");
1340 boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1341 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1342 rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1343 dbg_newdata("tilingpatternfill");
1347 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1349 msg("<debug> functionShadedFill");
1350 boolpolydev->functionShadedFill(state, shading);
1351 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1352 return rgbdev->functionShadedFill(state, shading);
1354 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1356 msg("<debug> axialShadedFill");
1357 boolpolydev->axialShadedFill(state, shading);
1358 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1359 return rgbdev->axialShadedFill(state, shading);
1361 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1363 msg("<debug> radialShadedFill");
1364 boolpolydev->radialShadedFill(state, shading);
1365 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1366 return rgbdev->radialShadedFill(state, shading);
1369 SplashColor black = {0,0,0};
1370 SplashColor white = {255,255,255};
1372 void BitmapOutputDev::clip(GfxState *state)
1374 msg("<debug> clip");
1375 boolpolydev->clip(state);
1376 booltextdev->clip(state);
1377 rgbdev->clip(state);
1378 clip1dev->clip(state);
1380 void BitmapOutputDev::eoClip(GfxState *state)
1382 msg("<debug> eoClip");
1383 boolpolydev->eoClip(state);
1384 booltextdev->eoClip(state);
1385 rgbdev->eoClip(state);
1386 clip1dev->eoClip(state);
1388 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1390 msg("<debug> clipToStrokePath");
1391 boolpolydev->clipToStrokePath(state);
1392 booltextdev->clipToStrokePath(state);
1393 rgbdev->clipToStrokePath(state);
1394 clip1dev->clipToStrokePath(state);
1397 void BitmapOutputDev::beginStringOp(GfxState *state)
1399 msg("<debug> beginStringOp");
1400 clip0dev->beginStringOp(state);
1401 clip1dev->beginStringOp(state);
1402 booltextdev->beginStringOp(state);
1403 gfxdev->beginStringOp(state);
1405 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1407 msg("<debug> beginString");
1408 clip0dev->beginString(state, s);
1409 clip1dev->beginString(state, s);
1410 booltextdev->beginString(state, s);
1411 gfxdev->beginString(state, s);
1414 void BitmapOutputDev::clearClips()
1416 clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
1417 clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
1419 void BitmapOutputDev::clearBoolPolyDev()
1421 clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
1423 void BitmapOutputDev::clearBoolTextDev()
1425 clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
1427 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1428 double dx, double dy,
1429 double originX, double originY,
1430 CharCode code, int nBytes, Unicode *u, int uLen)
1432 msg("<debug> drawChar render=%d", state->getRender());
1434 if(state->getRender()&RENDER_CLIP) {
1435 //char is just a clipping boundary
1436 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1437 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1438 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1439 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1440 } else if(rgbbitmap != rgbdev->getBitmap()) {
1441 // we're doing softmasking or transparency grouping
1442 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1443 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1445 // we're drawing a regular char
1447 clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1448 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1450 /* calculate the bbox of this character */
1451 int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1452 SplashFont*font = clip0dev->getCurrentFont();
1453 SplashPath*path = font?font->getGlyphPath(code):NULL;
1457 path->offset((SplashCoord)x, (SplashCoord)y);
1459 for(t=0;t<path->getLength();t++) {
1462 path->getPoint(t,&xx,&yy,&f);
1463 state->transform(xx,yy,&xx,&yy);
1464 if(xx<x1) x1=(int)xx;
1465 if(yy<y1) y1=(int)yy;
1466 if(xx>=x2) x2=(int)xx+1;
1467 if(yy>=y2) y2=(int)yy+1;
1469 delete(path);path=0;
1472 /* if this character is affected somehow by the various clippings (i.e., it looks
1473 different on a device without clipping), then draw it on the bitmap, not as
1475 if(clip0and1differ(x1,y1,x2,y2)) {
1476 msg("<verbose> Char %d is affected by clipping", code);
1477 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1478 checkNewBitmap(x1,y1,x2,y2);
1479 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1480 if(config_extrafontdata) {
1481 int oldrender = state->getRender();
1482 state->setRender(3); //invisible
1483 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1484 state->setRender(oldrender);
1488 /* this char is not at all affected by clipping.
1489 Now just dump out the bitmap we're currently working on, if necessary. */
1490 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1491 checkNewText(x1,y1,x2,y2);
1492 /* use polygonal output device to do the actual text handling */
1493 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1496 dbg_newdata("text");
1498 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1500 msg("<error> internal error: drawString not implemented");
1503 void BitmapOutputDev::endTextObject(GfxState *state)
1505 msg("<debug> endTextObject");
1506 rgbdev->endTextObject(state);
1507 clip0dev->endTextObject(state);
1508 clip1dev->endTextObject(state);
1509 booltextdev->endTextObject(state);
1510 /* the only thing "drawn" here is clipping */
1511 //checkNewText(UNKNOWN_BOUNDING_BOX);
1512 gfxdev->endTextObject(state);
1513 dbg_newdata("endtextobject");
1515 void BitmapOutputDev::endString(GfxState *state)
1517 msg("<debug> endString");
1518 clip0dev->endString(state);
1519 clip1dev->endString(state);
1520 booltextdev->endString(state);
1521 int render = state->getRender();
1522 if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
1523 /* xpdf draws things like stroke text or fill+stroke text in the
1524 endString() method */
1525 checkNewText(UNKNOWN_BOUNDING_BOX);
1527 gfxdev->endString(state);
1528 dbg_newdata("endstring");
1530 void BitmapOutputDev::endStringOp(GfxState *state)
1532 msg("<debug> endStringOp");
1533 clip0dev->endStringOp(state);
1534 clip1dev->endStringOp(state);
1535 booltextdev->endStringOp(state);
1536 gfxdev->endStringOp(state);
1537 dbg_newdata("endstringop");
1540 /* TODO: these four operations below *should* do nothing, as type3
1541 chars are drawn using operations like fill() */
1542 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1543 double dx, double dy,
1544 CharCode code, Unicode *u, int uLen)
1546 msg("<debug> beginType3Char");
1547 /* call gfxdev so that it can generate "invisible" characters
1548 on top of the actual graphic content, for text extraction */
1549 return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1551 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1553 msg("<debug> type3D0");
1554 return gfxdev->type3D0(state, wx, wy);
1556 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1558 msg("<debug> type3D1");
1559 return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1561 void BitmapOutputDev::endType3Char(GfxState *state)
1563 msg("<debug> endType3Char");
1564 gfxdev->endType3Char(state);
1567 class CopyStream: public Object
1571 MemStream*memstream;
1573 CopyStream(Stream*str, int len)
1578 buf = (char*)malloc(len);
1580 for (t=0; t<len; t++)
1581 buf[t] = str->getChar();
1584 this->dict = str->getDict();
1585 this->memstream = new MemStream(buf, 0, len, this);
1589 ::free(this->buf);this->buf = 0;
1590 delete this->memstream;
1592 Dict* getDict() {return dict;}
1593 Stream* getStream() {return this->memstream;};
1596 gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
1600 state->transform(0, 1, &x, &y);
1601 bbox.xmin=bbox.xmax = x;
1602 bbox.ymin=bbox.ymax = y;
1603 state->transform(0, 0, &x, &y);
1604 bbox.xmin=min(bbox.xmin,x);
1605 bbox.ymin=min(bbox.ymin,y);
1606 bbox.xmax=max(bbox.xmax,x);
1607 bbox.ymax=max(bbox.ymax,y);
1608 state->transform(1, 0, &x, &y);
1609 bbox.xmin=min(bbox.xmin,x);
1610 bbox.ymin=min(bbox.ymin,y);
1611 bbox.xmax=max(bbox.xmax,x);
1612 bbox.ymax=max(bbox.ymax,y);
1613 state->transform(1, 1, &x, &y);
1614 bbox.xmin=min(bbox.xmin,x);
1615 bbox.ymin=min(bbox.ymin,y);
1616 bbox.xmax=max(bbox.xmax,x);
1617 bbox.ymax=max(bbox.ymax,y);
1620 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1621 int width, int height, GBool invert,
1624 msg("<debug> drawImageMask streamkind=%d", str->getKind());
1626 CopyStream*cpystr = new CopyStream(str, height * ((width + 7) / 8));
1627 str = cpystr->getStream();
1629 boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1630 gfxbbox_t bbox = getImageBBox(state);
1631 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1632 rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1634 dbg_newdata("imagemask");
1636 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1637 int width, int height, GfxImageColorMap *colorMap,
1638 int *maskColors, GBool inlineImg)
1640 msg("<debug> drawImage streamkind=%d", str->getKind());
1642 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1643 str = cpystr->getStream();
1645 boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1646 gfxbbox_t bbox=getImageBBox(state);
1647 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1648 rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1650 dbg_newdata("image");
1652 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1653 int width, int height,
1654 GfxImageColorMap *colorMap,
1655 Stream *maskStr, int maskWidth, int maskHeight,
1658 msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1660 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1661 str = cpystr->getStream();
1663 boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1664 gfxbbox_t bbox=getImageBBox(state);
1665 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1666 rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1668 dbg_newdata("maskedimage");
1670 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1671 int width, int height,
1672 GfxImageColorMap *colorMap,
1674 int maskWidth, int maskHeight,
1675 GfxImageColorMap *maskColorMap)
1677 msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1679 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1680 str = cpystr->getStream();
1682 boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1683 gfxbbox_t bbox=getImageBBox(state);
1684 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1685 rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1687 dbg_newdata("softmaskimage");
1689 void BitmapOutputDev::drawForm(Ref id)
1691 msg("<debug> drawForm");
1692 boolpolydev->drawForm(id);
1693 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1694 rgbdev->drawForm(id);
1697 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1699 msg("<debug> processLink");
1700 gfxdev->processLink(link, catalog);
1703 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1704 GfxColorSpace *blendingColorSpace,
1705 GBool isolated, GBool knockout,
1708 msg("<debug> beginTransparencyGroup");
1709 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1710 GfxState*state1 = state->copy();
1711 GfxState*state2 = state->copy();
1713 state1->setPath(state->getPath()->copy());
1715 state2->setPath(state->getPath()->copy());
1717 GfxState*state1 = state->copy(gTrue);
1718 GfxState*state2 = state->copy(gTrue);
1720 boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1721 rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1722 clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1725 dbg_newdata("endtransparencygroup");
1727 void BitmapOutputDev::endTransparencyGroup(GfxState *state)
1729 msg("<debug> endTransparencyGroup");
1730 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1731 GfxState*state1 = state->copy();
1732 GfxState*state2 = state->copy();
1734 state1->setPath(state->getPath()->copy());
1736 state2->setPath(state->getPath()->copy());
1738 GfxState*state1 = state->copy(gTrue);
1739 GfxState*state2 = state->copy(gTrue);
1741 boolpolydev->endTransparencyGroup(state1);
1742 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1743 rgbdev->endTransparencyGroup(state2);
1746 clip1dev->endTransparencyGroup(state);
1747 dbg_newdata("endtransparencygroup");
1749 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1751 msg("<debug> paintTransparencyGroup");
1752 boolpolydev->paintTransparencyGroup(state,bbox);
1753 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1754 rgbdev->paintTransparencyGroup(state,bbox);
1755 clip1dev->paintTransparencyGroup(state,bbox);
1756 dbg_newdata("painttransparencygroup");
1758 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1760 msg("<debug> setSoftMask");
1761 boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1762 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1763 rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1764 clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1765 dbg_newdata("setsoftmask");
1767 void BitmapOutputDev::clearSoftMask(GfxState *state)
1769 msg("<debug> clearSoftMask");
1770 boolpolydev->clearSoftMask(state);
1771 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1772 rgbdev->clearSoftMask(state);
1773 clip1dev->clearSoftMask(state);
1774 dbg_newdata("clearsoftmask");