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;
458 Guchar*u = update->getDataPtr() + y1*width8;
459 int size = (y2-y1)*width8;
465 for(t=0;t<size;t++) {
471 static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
473 if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
476 if(btm->getMode()==splashModeMono1) {
477 int width8 = (btm->getWidth()+7)/8;
478 assert(width8 == btm->getRowSize());
479 int width = btm->getWidth();
480 int height = btm->getHeight();
481 Guchar*data = btm->getDataPtr();
482 memset(data+y1*width8, 0, width8*(y2-y1));
484 int width = btm->getAlphaRowSize();
485 int height = btm->getHeight();
486 memset(btm->getAlphaPtr(), 0, width*height);
490 void BitmapOutputDev::dbg_newdata(char*newdata)
496 sprintf(filename1, "state%03dboolbitmap_after%s.png", dbg_btm_counter, newdata);
497 sprintf(filename2, "state%03dbooltext_after%s.png", dbg_btm_counter, newdata);
498 sprintf(filename3, "state%03dbitmap_after%s.png", dbg_btm_counter, newdata);
499 msg("<verbose> %s %s %s", filename1, filename2, filename3);
500 writeAlpha(stalepolybitmap, filename1);
501 writeAlpha(booltextbitmap, filename2);
502 writeBitmap(rgbdev->getBitmap(), filename3);
507 GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
509 /* called once some new text was drawn on booltextdev, and
510 before the same thing is drawn on gfxdev */
512 msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
515 if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
516 if(layerstate==STATE_PARALLEL) {
517 /* the new text is above the bitmap. So record that fact. */
518 msg("<verbose> Text is above current bitmap/polygon data");
519 layerstate=STATE_TEXT_IS_ABOVE;
520 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
521 } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
522 /* there's a bitmap above the (old) text. So we need
523 to flush out that text, and record that the *new*
524 text is now *above* the bitmap
526 msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
528 layerstate=STATE_TEXT_IS_ABOVE;
531 /* re-apply the update (which we would otherwise lose) */
532 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
535 /* we already know that the current text section is
536 above the current bitmap section- now just new
537 bitmap data *and* new text data was drawn, and
538 *again* it's above the current bitmap. */
539 msg("<verbose> Text is still above current bitmap/polygon data");
540 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
543 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
546 /* clear the thing we just drew from our temporary drawing bitmap */
547 clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
551 GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
553 /* similar to checkNewText() above, only in reverse */
554 msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
557 if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
558 if(layerstate==STATE_PARALLEL) {
559 msg("<verbose> Bitmap is above current text data");
560 layerstate=STATE_BITMAP_IS_ABOVE;
561 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
562 } else if(layerstate==STATE_TEXT_IS_ABOVE) {
563 msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
565 layerstate=STATE_BITMAP_IS_ABOVE;
567 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
570 msg("<verbose> Bitmap is still above current text data");
571 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
574 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
577 /* clear the thing we just drew from our temporary drawing bitmap */
578 clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
583 //void checkNewText() {
584 // Guchar*alpha = rgbbitmap->getAlphaPtr();
585 // Guchar*charpixels = clip1bitmap->getDataPtr();
587 // for(yy=0;yy<height;yy++) {
588 // Guchar*aline = &alpha[yy*width];
589 // Guchar*cline = &charpixels[yy*width8];
590 // for(xx=0;xx<width;xx++) {
592 // int bytepos = xx>>3;
593 // /* TODO: is the bit order correct? */
594 // if(aline[xx] && (cline[bytepos]&(1<<bit)))
601 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
603 if(clip0bitmap->getMode()==splashModeMono1) {
604 int width = clip0bitmap->getWidth();
605 int width8 = (width+7)/8;
606 int height = clip0bitmap->getHeight();
608 if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
609 /* area is outside or null */
613 SplashBitmap*clip0 = clip0bitmap;
614 SplashBitmap*clip1 = clip1bitmap;
620 unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
621 unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
622 if(memcmp(row1, row2, x28-x18)) {
628 SplashBitmap*clip0 = clip0bitmap;
629 SplashBitmap*clip1 = clip1bitmap;
630 int width = clip0->getAlphaRowSize();
631 int height = clip0->getHeight();
633 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
637 Guchar*a0 = clip0->getAlphaPtr();
638 Guchar*a1 = clip1->getAlphaPtr();
643 if(a0[y*width+x]!=a1[y*width+x]) {
651 char differs2 = memcmp(a0, a1, width*height);
652 if(differs && !differs2)
653 msg("<warning> Strange internal error (2)");
654 else if(!differs && differs2) {
655 msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
656 msg("<warning> %d %d %d %d", x1, y1, x2, y2);
662 GBool compare8(unsigned char*data1, unsigned char*data2, int len)
666 if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
667 // oh good, we can do aligning
668 while((ptroff_t)data1&7) {
677 /* use 64 bit for the (hopefully aligned) middle section */
679 long long unsigned int*d1 = (long long unsigned int*)data1;
680 long long unsigned int*d2 = (long long unsigned int*)data2;
681 long long unsigned int x = 0;
693 if(data1[t]&data2[t]) {
700 GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
702 if(boolpoly->getMode()==splashModeMono1) {
703 /* alternative implementation, using one bit per pixel-
704 needs the no-dither patch in xpdf */
706 int width = boolpoly->getWidth();
707 int height = boolpoly->getHeight();
709 if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
713 Guchar*polypixels = boolpoly->getDataPtr();
714 Guchar*textpixels = booltext->getDataPtr();
716 int width8 = (width+7)/8;
721 polypixels+=y1*width8+x1/8;
722 textpixels+=y1*width8+x1/8;
723 runx=(x2+7)/8 - x1/8;
730 /*assert(sizeof(unsigned long long int)==8);
731 if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
732 //msg("<warning> Non-optimal alignment");
736 unsigned char*data1 = (unsigned char*)polypixels;
737 unsigned char*data2 = (unsigned char*)textpixels;
738 msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
739 for(y=0;y<runy;y++) {
740 if(compare8(data1,data2,runx))
747 int width = boolpoly->getAlphaRowSize();
748 int height = boolpoly->getHeight();
750 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
753 Guchar*polypixels = boolpoly->getAlphaPtr();
754 Guchar*textpixels = booltext->getAlphaPtr();
761 if(polypixels[width*y+x]&&textpixels[width*y+x])
765 int ax1=0,ay1=0,ax2=0,ay2=0;
766 for(y=0;y<height;y++) {
767 for(x=0;x<width;x++) {
768 if(polypixels[width*y+x]&&textpixels[width*y+x]) {
770 if(!(ax1|ay1|ax2|ay2)) {
782 if(overlap1 && !overlap2)
783 msg("<warning> strange internal error");
784 if(!overlap1 && overlap2) {
785 msg("<warning> Bad bounding box: intersection outside bbox");
786 msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
787 msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
794 void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
797 state->transform(crop_x1,crop_y1,&x1,&y1);
798 state->transform(crop_x2,crop_y2,&x2,&y2);
799 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
800 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
802 this->movex = -(int)x1 - user_movex;
803 this->movey = -(int)y1 - user_movey;
805 if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
811 this->width = (int)(x2-x1);
812 this->height = (int)(y2-y1);
814 msg("<debug> startPage");
815 rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
816 boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
817 booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
818 clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
819 clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
820 gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
822 boolpolybitmap = boolpolydev->getBitmap();
823 stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
824 assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
826 booltextbitmap = booltextdev->getBitmap();
827 staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
828 assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
830 clip0bitmap = clip0dev->getBitmap();
831 clip1bitmap = clip1dev->getBitmap();
832 rgbbitmap = rgbdev->getBitmap();
834 flushText(); // write out the initial clipping rectangle
836 /* just in case any device did draw a white background rectangle
841 this->layerstate = STATE_PARALLEL;
843 msg("<debug> startPage done");
846 void BitmapOutputDev::endPage()
848 msg("<verbose> endPage (BitmapOutputDev)");
850 /* notice: we're not fully done yet with this page- there might still be
851 a few calls to drawLink() yet to come */
853 void BitmapOutputDev::finishPage()
855 msg("<verbose> finishPage (BitmapOutputDev)");
858 if(layerstate == STATE_BITMAP_IS_ABOVE) {
866 /* splash will now destroy alpha, and paint the
867 background color into the "holes" in the bitmap */
868 boolpolydev->endPage();
869 booltextdev->endPage();
875 GBool BitmapOutputDev::upsideDown()
877 boolpolydev->upsideDown();
878 booltextdev->upsideDown();
879 clip0dev->upsideDown();
880 clip1dev->upsideDown();
881 return rgbdev->upsideDown();
884 GBool BitmapOutputDev::useDrawChar()
886 boolpolydev->useDrawChar();
887 booltextdev->useDrawChar();
888 clip0dev->useDrawChar();
889 clip1dev->useDrawChar();
890 return rgbdev->useDrawChar();
893 GBool BitmapOutputDev::useTilingPatternFill()
895 boolpolydev->useTilingPatternFill();
896 booltextdev->useTilingPatternFill();
897 clip0dev->useTilingPatternFill();
898 clip1dev->useTilingPatternFill();
899 return rgbdev->useTilingPatternFill();
902 GBool BitmapOutputDev::useShadedFills()
904 boolpolydev->useShadedFills();
905 booltextdev->useShadedFills();
906 clip0dev->useShadedFills();
907 clip1dev->useShadedFills();
908 return rgbdev->useShadedFills();
911 GBool BitmapOutputDev::useDrawForm()
913 boolpolydev->useDrawForm();
914 booltextdev->useDrawForm();
915 clip0dev->useDrawForm();
916 clip1dev->useDrawForm();
917 return rgbdev->useDrawForm();
920 GBool BitmapOutputDev::interpretType3Chars()
922 boolpolydev->interpretType3Chars();
923 booltextdev->interpretType3Chars();
924 clip0dev->interpretType3Chars();
925 clip1dev->interpretType3Chars();
926 return rgbdev->interpretType3Chars();
929 GBool BitmapOutputDev::needNonText()
931 boolpolydev->needNonText();
932 booltextdev->needNonText();
933 clip0dev->needNonText();
934 clip1dev->needNonText();
935 return rgbdev->needNonText();
937 /*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
938 int rotate, GBool useMediaBox, GBool crop,
939 int sliceX, int sliceY, int sliceW, int sliceH,
940 GBool printing, Catalog *catalog,
941 GBool (*abortCheckCbk)(void *data),
942 void *abortCheckCbkData)
946 void BitmapOutputDev::setDefaultCTM(double *ctm)
948 boolpolydev->setDefaultCTM(ctm);
949 booltextdev->setDefaultCTM(ctm);
950 rgbdev->setDefaultCTM(ctm);
951 clip0dev->setDefaultCTM(ctm);
952 clip1dev->setDefaultCTM(ctm);
953 gfxdev->setDefaultCTM(ctm);
955 void BitmapOutputDev::saveState(GfxState *state)
957 boolpolydev->saveState(state);
958 booltextdev->saveState(state);
959 rgbdev->saveState(state);
960 clip0dev->saveState(state);
961 clip1dev->saveState(state);
963 /*ClipState*cstate = new ClipState();
964 cstate->next = this->clipstates;
965 this->clipstates = cstate;*/
967 void BitmapOutputDev::restoreState(GfxState *state)
969 boolpolydev->restoreState(state);
970 booltextdev->restoreState(state);
971 rgbdev->restoreState(state);
972 clip0dev->restoreState(state);
973 clip1dev->restoreState(state);
975 /*if(this->clipstates) {
976 ClipState*old = this->clipstates;
978 gfxdev->restoreState(state);
980 this->clipstates = this->clipstates->next;
983 msg("<error> invalid restoreState()");
986 void BitmapOutputDev::updateAll(GfxState *state)
988 boolpolydev->updateAll(state);
989 booltextdev->updateAll(state);
990 rgbdev->updateAll(state);
991 clip0dev->updateAll(state);
992 clip1dev->updateAll(state);
993 gfxdev->updateAll(state);
995 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
997 boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
998 booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
999 rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1000 clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1001 clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1002 gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1004 void BitmapOutputDev::updateLineDash(GfxState *state)
1006 boolpolydev->updateLineDash(state);
1007 booltextdev->updateLineDash(state);
1008 rgbdev->updateLineDash(state);
1009 clip0dev->updateLineDash(state);
1010 clip1dev->updateLineDash(state);
1011 gfxdev->updateLineDash(state);
1013 void BitmapOutputDev::updateFlatness(GfxState *state)
1015 boolpolydev->updateFlatness(state);
1016 booltextdev->updateFlatness(state);
1017 rgbdev->updateFlatness(state);
1018 clip0dev->updateFlatness(state);
1019 clip1dev->updateFlatness(state);
1020 gfxdev->updateFlatness(state);
1022 void BitmapOutputDev::updateLineJoin(GfxState *state)
1024 boolpolydev->updateLineJoin(state);
1025 booltextdev->updateLineJoin(state);
1026 rgbdev->updateLineJoin(state);
1027 clip0dev->updateLineJoin(state);
1028 clip1dev->updateLineJoin(state);
1029 gfxdev->updateLineJoin(state);
1031 void BitmapOutputDev::updateLineCap(GfxState *state)
1033 boolpolydev->updateLineCap(state);
1034 booltextdev->updateLineCap(state);
1035 rgbdev->updateLineCap(state);
1036 clip0dev->updateLineCap(state);
1037 clip1dev->updateLineCap(state);
1038 gfxdev->updateLineCap(state);
1040 void BitmapOutputDev::updateMiterLimit(GfxState *state)
1042 boolpolydev->updateMiterLimit(state);
1043 booltextdev->updateMiterLimit(state);
1044 rgbdev->updateMiterLimit(state);
1045 clip0dev->updateMiterLimit(state);
1046 clip1dev->updateMiterLimit(state);
1047 gfxdev->updateMiterLimit(state);
1049 void BitmapOutputDev::updateLineWidth(GfxState *state)
1051 boolpolydev->updateLineWidth(state);
1052 booltextdev->updateLineWidth(state);
1053 rgbdev->updateLineWidth(state);
1054 clip0dev->updateLineWidth(state);
1055 clip1dev->updateLineWidth(state);
1056 gfxdev->updateLineWidth(state);
1058 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
1060 boolpolydev->updateStrokeAdjust(state);
1061 booltextdev->updateStrokeAdjust(state);
1062 rgbdev->updateStrokeAdjust(state);
1063 clip0dev->updateStrokeAdjust(state);
1064 clip1dev->updateStrokeAdjust(state);
1065 gfxdev->updateStrokeAdjust(state);
1067 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
1069 boolpolydev->updateFillColorSpace(state);
1070 booltextdev->updateFillColorSpace(state);
1071 rgbdev->updateFillColorSpace(state);
1072 clip0dev->updateFillColorSpace(state);
1073 clip1dev->updateFillColorSpace(state);
1074 gfxdev->updateFillColorSpace(state);
1076 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
1078 boolpolydev->updateStrokeColorSpace(state);
1079 booltextdev->updateStrokeColorSpace(state);
1080 rgbdev->updateStrokeColorSpace(state);
1081 clip0dev->updateStrokeColorSpace(state);
1082 clip1dev->updateStrokeColorSpace(state);
1083 gfxdev->updateStrokeColorSpace(state);
1085 void BitmapOutputDev::updateFillColor(GfxState *state)
1087 boolpolydev->updateFillColor(state);
1088 booltextdev->updateFillColor(state);
1089 rgbdev->updateFillColor(state);
1090 clip0dev->updateFillColor(state);
1091 clip1dev->updateFillColor(state);
1092 gfxdev->updateFillColor(state);
1094 void BitmapOutputDev::updateStrokeColor(GfxState *state)
1096 boolpolydev->updateStrokeColor(state);
1097 booltextdev->updateStrokeColor(state);
1098 rgbdev->updateStrokeColor(state);
1099 clip0dev->updateStrokeColor(state);
1100 clip1dev->updateStrokeColor(state);
1101 gfxdev->updateStrokeColor(state);
1103 void BitmapOutputDev::updateBlendMode(GfxState *state)
1105 boolpolydev->updateBlendMode(state);
1106 booltextdev->updateBlendMode(state);
1107 rgbdev->updateBlendMode(state);
1108 clip0dev->updateBlendMode(state);
1109 clip1dev->updateBlendMode(state);
1110 gfxdev->updateBlendMode(state);
1112 void BitmapOutputDev::updateFillOpacity(GfxState *state)
1114 boolpolydev->updateFillOpacity(state);
1115 booltextdev->updateFillOpacity(state);
1116 rgbdev->updateFillOpacity(state);
1117 clip0dev->updateFillOpacity(state);
1118 clip1dev->updateFillOpacity(state);
1119 gfxdev->updateFillOpacity(state);
1121 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
1123 boolpolydev->updateStrokeOpacity(state);
1124 booltextdev->updateStrokeOpacity(state);
1125 rgbdev->updateStrokeOpacity(state);
1126 clip0dev->updateStrokeOpacity(state);
1127 clip1dev->updateStrokeOpacity(state);
1128 gfxdev->updateStrokeOpacity(state);
1130 void BitmapOutputDev::updateFillOverprint(GfxState *state)
1132 boolpolydev->updateFillOverprint(state);
1133 booltextdev->updateFillOverprint(state);
1134 rgbdev->updateFillOverprint(state);
1135 clip0dev->updateFillOverprint(state);
1136 clip1dev->updateFillOverprint(state);
1137 gfxdev->updateFillOverprint(state);
1139 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
1141 boolpolydev->updateStrokeOverprint(state);
1142 booltextdev->updateStrokeOverprint(state);
1143 rgbdev->updateStrokeOverprint(state);
1144 clip0dev->updateStrokeOverprint(state);
1145 clip1dev->updateStrokeOverprint(state);
1146 gfxdev->updateStrokeOverprint(state);
1148 void BitmapOutputDev::updateTransfer(GfxState *state)
1150 boolpolydev->updateTransfer(state);
1151 booltextdev->updateTransfer(state);
1152 rgbdev->updateTransfer(state);
1153 clip0dev->updateTransfer(state);
1154 clip1dev->updateTransfer(state);
1155 gfxdev->updateTransfer(state);
1158 void BitmapOutputDev::updateFont(GfxState *state)
1160 boolpolydev->updateFont(state);
1161 booltextdev->updateFont(state);
1162 rgbdev->updateFont(state);
1163 clip0dev->updateFont(state);
1164 clip1dev->updateFont(state);
1165 gfxdev->updateFont(state);
1167 void BitmapOutputDev::updateTextMat(GfxState *state)
1169 boolpolydev->updateTextMat(state);
1170 booltextdev->updateTextMat(state);
1171 rgbdev->updateTextMat(state);
1172 clip0dev->updateTextMat(state);
1173 clip1dev->updateTextMat(state);
1174 gfxdev->updateTextMat(state);
1176 void BitmapOutputDev::updateCharSpace(GfxState *state)
1178 boolpolydev->updateCharSpace(state);
1179 booltextdev->updateCharSpace(state);
1180 rgbdev->updateCharSpace(state);
1181 clip0dev->updateCharSpace(state);
1182 clip1dev->updateCharSpace(state);
1183 gfxdev->updateCharSpace(state);
1185 void BitmapOutputDev::updateRender(GfxState *state)
1187 boolpolydev->updateRender(state);
1188 booltextdev->updateRender(state);
1189 rgbdev->updateRender(state);
1190 clip0dev->updateRender(state);
1191 clip1dev->updateRender(state);
1192 gfxdev->updateRender(state);
1194 void BitmapOutputDev::updateRise(GfxState *state)
1196 boolpolydev->updateRise(state);
1197 booltextdev->updateRise(state);
1198 rgbdev->updateRise(state);
1199 clip0dev->updateRise(state);
1200 clip1dev->updateRise(state);
1201 gfxdev->updateRise(state);
1203 void BitmapOutputDev::updateWordSpace(GfxState *state)
1205 boolpolydev->updateWordSpace(state);
1206 booltextdev->updateWordSpace(state);
1207 rgbdev->updateWordSpace(state);
1208 clip0dev->updateWordSpace(state);
1209 clip1dev->updateWordSpace(state);
1210 gfxdev->updateWordSpace(state);
1212 void BitmapOutputDev::updateHorizScaling(GfxState *state)
1214 boolpolydev->updateHorizScaling(state);
1215 booltextdev->updateHorizScaling(state);
1216 rgbdev->updateHorizScaling(state);
1217 clip0dev->updateHorizScaling(state);
1218 clip1dev->updateHorizScaling(state);
1219 gfxdev->updateHorizScaling(state);
1221 void BitmapOutputDev::updateTextPos(GfxState *state)
1223 boolpolydev->updateTextPos(state);
1224 booltextdev->updateTextPos(state);
1225 rgbdev->updateTextPos(state);
1226 clip0dev->updateTextPos(state);
1227 clip1dev->updateTextPos(state);
1228 gfxdev->updateTextPos(state);
1230 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
1232 boolpolydev->updateTextShift(state, shift);
1233 booltextdev->updateTextShift(state, shift);
1234 rgbdev->updateTextShift(state, shift);
1235 clip0dev->updateTextShift(state, shift);
1236 clip1dev->updateTextShift(state, shift);
1237 gfxdev->updateTextShift(state, shift);
1240 double max(double x, double y)
1244 double min(double x, double y)
1249 gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
1251 GfxPath * path = state->getPath();
1252 int num = path->getNumSubpaths();
1253 gfxbbox_t bbox = {0,0,1,1};
1256 for(t = 0; t < num; t++) {
1257 GfxSubpath *subpath = path->getSubpath(t);
1258 int subnum = subpath->getNumPoints();
1260 for(s=0;s<subnum;s++) {
1262 state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
1264 bbox.xmin = x; bbox.ymin = y;
1265 bbox.xmax = x; bbox.ymax = y;
1268 bbox.xmin = min(bbox.xmin, x);
1269 bbox.ymin = min(bbox.ymin, y);
1270 bbox.xmax = max(bbox.xmax, x);
1271 bbox.ymax = max(bbox.ymax, y);
1278 void BitmapOutputDev::stroke(GfxState *state)
1280 msg("<debug> stroke");
1281 boolpolydev->stroke(state);
1282 gfxbbox_t bbox = getBBox(state);
1283 double width = state->getTransformedLineWidth();
1284 bbox.xmin -= width; bbox.ymin -= width;
1285 bbox.xmax += width; bbox.ymax += width;
1286 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1287 rgbdev->stroke(state);
1288 dbg_newdata("stroke");
1290 void BitmapOutputDev::fill(GfxState *state)
1292 msg("<debug> fill");
1293 boolpolydev->fill(state);
1294 gfxbbox_t bbox = getBBox(state);
1295 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1296 rgbdev->fill(state);
1297 dbg_newdata("fill");
1299 void BitmapOutputDev::eoFill(GfxState *state)
1301 msg("<debug> eoFill");
1302 boolpolydev->eoFill(state);
1303 gfxbbox_t bbox = getBBox(state);
1304 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1305 rgbdev->eoFill(state);
1306 dbg_newdata("eofill");
1308 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1309 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1310 int paintType, Dict *resDict,
1311 double *mat, double *bbox,
1312 int x0, int y0, int x1, int y1,
1313 double xStep, double yStep)
1315 msg("<debug> tilingPatternFill");
1316 boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1317 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1318 rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1319 dbg_newdata("tilingpatternfill");
1322 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1323 int paintType, Dict *resDict,
1324 double *mat, double *bbox,
1325 int x0, int y0, int x1, int y1,
1326 double xStep, double yStep)
1328 msg("<debug> tilingPatternFill");
1329 boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1330 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1331 rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1332 dbg_newdata("tilingpatternfill");
1336 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1338 msg("<debug> functionShadedFill");
1339 boolpolydev->functionShadedFill(state, shading);
1340 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1341 return rgbdev->functionShadedFill(state, shading);
1343 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1345 msg("<debug> axialShadedFill");
1346 boolpolydev->axialShadedFill(state, shading);
1347 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1348 return rgbdev->axialShadedFill(state, shading);
1350 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1352 msg("<debug> radialShadedFill");
1353 boolpolydev->radialShadedFill(state, shading);
1354 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1355 return rgbdev->radialShadedFill(state, shading);
1358 SplashColor black = {0,0,0};
1359 SplashColor white = {255,255,255};
1361 void BitmapOutputDev::clip(GfxState *state)
1363 msg("<debug> clip");
1364 boolpolydev->clip(state);
1365 booltextdev->clip(state);
1366 rgbdev->clip(state);
1367 clip1dev->clip(state);
1369 void BitmapOutputDev::eoClip(GfxState *state)
1371 msg("<debug> eoClip");
1372 boolpolydev->eoClip(state);
1373 booltextdev->eoClip(state);
1374 rgbdev->eoClip(state);
1375 clip1dev->eoClip(state);
1377 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1379 msg("<debug> clipToStrokePath");
1380 boolpolydev->clipToStrokePath(state);
1381 booltextdev->clipToStrokePath(state);
1382 rgbdev->clipToStrokePath(state);
1383 clip1dev->clipToStrokePath(state);
1386 void BitmapOutputDev::beginStringOp(GfxState *state)
1388 msg("<debug> beginStringOp");
1389 clip0dev->beginStringOp(state);
1390 clip1dev->beginStringOp(state);
1391 booltextdev->beginStringOp(state);
1392 gfxdev->beginStringOp(state);
1394 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1396 msg("<debug> beginString");
1397 clip0dev->beginString(state, s);
1398 clip1dev->beginString(state, s);
1399 booltextdev->beginString(state, s);
1400 gfxdev->beginString(state, s);
1403 void BitmapOutputDev::clearClips()
1405 clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
1406 clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
1408 void BitmapOutputDev::clearBoolPolyDev()
1410 clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
1412 void BitmapOutputDev::clearBoolTextDev()
1414 clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
1416 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1417 double dx, double dy,
1418 double originX, double originY,
1419 CharCode code, int nBytes, Unicode *u, int uLen)
1421 msg("<debug> drawChar render=%d", state->getRender());
1423 if(state->getRender()&RENDER_CLIP) {
1424 //char is just a clipping boundary
1425 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1426 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1427 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1428 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1429 } else if(rgbbitmap != rgbdev->getBitmap()) {
1430 // we're doing softmasking or transparency grouping
1431 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1432 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1434 // we're drawing a regular char
1436 clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1437 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1439 /* calculate the bbox of this character */
1440 int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1441 SplashFont*font = clip0dev->getCurrentFont();
1442 SplashPath*path = font?font->getGlyphPath(code):NULL;
1446 path->offset((SplashCoord)x, (SplashCoord)y);
1448 for(t=0;t<path->getLength();t++) {
1451 path->getPoint(t,&xx,&yy,&f);
1452 state->transform(xx,yy,&xx,&yy);
1453 if(xx<x1) x1=(int)xx;
1454 if(yy<y1) y1=(int)yy;
1455 if(xx>=x2) x2=(int)xx+1;
1456 if(yy>=y2) y2=(int)yy+1;
1458 delete(path);path=0;
1461 /* if this character is affected somehow by the various clippings (i.e., it looks
1462 different on a device without clipping), then draw it on the bitmap, not as
1464 if(clip0and1differ(x1,y1,x2,y2)) {
1465 msg("<verbose> Char %d is affected by clipping", code);
1466 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1467 checkNewBitmap(x1,y1,x2,y2);
1468 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1469 if(config_extrafontdata) {
1470 int oldrender = state->getRender();
1471 state->setRender(3); //invisible
1472 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1473 state->setRender(oldrender);
1477 /* this char is not at all affected by clipping.
1478 Now just dump out the bitmap we're currently working on, if necessary. */
1479 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1480 checkNewText(x1,y1,x2,y2);
1481 /* use polygonal output device to do the actual text handling */
1482 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1485 dbg_newdata("text");
1487 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1489 msg("<error> internal error: drawString not implemented");
1492 void BitmapOutputDev::endTextObject(GfxState *state)
1494 msg("<debug> endTextObject");
1495 rgbdev->endTextObject(state);
1496 clip0dev->endTextObject(state);
1497 clip1dev->endTextObject(state);
1498 booltextdev->endTextObject(state);
1499 /* the only thing "drawn" here is clipping */
1500 //checkNewText(UNKNOWN_BOUNDING_BOX);
1501 gfxdev->endTextObject(state);
1502 dbg_newdata("endtextobject");
1504 void BitmapOutputDev::endString(GfxState *state)
1506 msg("<debug> endString");
1507 clip0dev->endString(state);
1508 clip1dev->endString(state);
1509 booltextdev->endString(state);
1510 int render = state->getRender();
1511 if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
1512 /* xpdf draws things like stroke text or fill+stroke text in the
1513 endString() method */
1514 checkNewText(UNKNOWN_BOUNDING_BOX);
1516 gfxdev->endString(state);
1517 dbg_newdata("endstring");
1519 void BitmapOutputDev::endStringOp(GfxState *state)
1521 msg("<debug> endStringOp");
1522 clip0dev->endStringOp(state);
1523 clip1dev->endStringOp(state);
1524 booltextdev->endStringOp(state);
1525 gfxdev->endStringOp(state);
1526 dbg_newdata("endstringop");
1529 /* TODO: these four operations below *should* do nothing, as type3
1530 chars are drawn using operations like fill() */
1531 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1532 double dx, double dy,
1533 CharCode code, Unicode *u, int uLen)
1535 msg("<debug> beginType3Char");
1536 /* call gfxdev so that it can generate "invisible" characters
1537 on top of the actual graphic content, for text extraction */
1538 return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1540 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1542 msg("<debug> type3D0");
1543 return gfxdev->type3D0(state, wx, wy);
1545 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1547 msg("<debug> type3D1");
1548 return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1550 void BitmapOutputDev::endType3Char(GfxState *state)
1552 msg("<debug> endType3Char");
1553 gfxdev->endType3Char(state);
1556 class CopyStream: public Object
1560 MemStream*memstream;
1562 CopyStream(Stream*str, int len)
1567 buf = (char*)malloc(len);
1569 for (t=0; t<len; t++)
1570 buf[t] = str->getChar();
1573 this->dict = str->getDict();
1574 this->memstream = new MemStream(buf, 0, len, this);
1578 ::free(this->buf);this->buf = 0;
1579 delete this->memstream;
1581 Dict* getDict() {return dict;}
1582 Stream* getStream() {return this->memstream;};
1585 gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
1589 state->transform(0, 1, &x, &y);
1590 bbox.xmin=bbox.xmax = x;
1591 bbox.ymin=bbox.ymax = y;
1592 state->transform(0, 0, &x, &y);
1593 bbox.xmin=min(bbox.xmin,x);
1594 bbox.ymin=min(bbox.ymin,y);
1595 bbox.xmax=max(bbox.xmax,x);
1596 bbox.ymax=max(bbox.ymax,y);
1597 state->transform(1, 0, &x, &y);
1598 bbox.xmin=min(bbox.xmin,x);
1599 bbox.ymin=min(bbox.ymin,y);
1600 bbox.xmax=max(bbox.xmax,x);
1601 bbox.ymax=max(bbox.ymax,y);
1602 state->transform(1, 1, &x, &y);
1603 bbox.xmin=min(bbox.xmin,x);
1604 bbox.ymin=min(bbox.ymin,y);
1605 bbox.xmax=max(bbox.xmax,x);
1606 bbox.ymax=max(bbox.ymax,y);
1609 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1610 int width, int height, GBool invert,
1613 msg("<debug> drawImageMask streamkind=%d", str->getKind());
1614 CopyStream*cpystr = 0;
1616 cpystr = new CopyStream(str, height * ((width + 7) / 8));
1617 str = cpystr->getStream();
1619 boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1620 gfxbbox_t bbox = getImageBBox(state);
1621 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1622 rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1625 dbg_newdata("imagemask");
1627 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1628 int width, int height, GfxImageColorMap *colorMap,
1629 int *maskColors, GBool inlineImg)
1631 msg("<debug> drawImage streamkind=%d", str->getKind());
1632 CopyStream*cpystr = 0;
1634 cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1635 str = cpystr->getStream();
1637 boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1638 gfxbbox_t bbox=getImageBBox(state);
1639 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1640 rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1643 dbg_newdata("image");
1645 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1646 int width, int height,
1647 GfxImageColorMap *colorMap,
1648 Stream *maskStr, int maskWidth, int maskHeight,
1651 msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1652 boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1653 gfxbbox_t bbox=getImageBBox(state);
1654 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1655 rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1656 dbg_newdata("maskedimage");
1658 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1659 int width, int height,
1660 GfxImageColorMap *colorMap,
1662 int maskWidth, int maskHeight,
1663 GfxImageColorMap *maskColorMap)
1665 msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1666 boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1667 gfxbbox_t bbox=getImageBBox(state);
1668 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1669 rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1670 dbg_newdata("softmaskimage");
1672 void BitmapOutputDev::drawForm(Ref id)
1674 msg("<debug> drawForm");
1675 boolpolydev->drawForm(id);
1676 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1677 rgbdev->drawForm(id);
1680 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1682 msg("<debug> processLink");
1683 gfxdev->processLink(link, catalog);
1686 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1687 GfxColorSpace *blendingColorSpace,
1688 GBool isolated, GBool knockout,
1691 msg("<debug> beginTransparencyGroup");
1692 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1693 GfxState*state1 = state->copy();
1694 GfxState*state2 = state->copy();
1696 state1->setPath(state->getPath()->copy());
1698 state2->setPath(state->getPath()->copy());
1700 GfxState*state1 = state->copy(gTrue);
1701 GfxState*state2 = state->copy(gTrue);
1703 boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1704 rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1705 clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1708 dbg_newdata("endtransparencygroup");
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);
1730 dbg_newdata("endtransparencygroup");
1732 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1734 msg("<debug> paintTransparencyGroup");
1735 boolpolydev->paintTransparencyGroup(state,bbox);
1736 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1737 rgbdev->paintTransparencyGroup(state,bbox);
1738 clip1dev->paintTransparencyGroup(state,bbox);
1739 dbg_newdata("painttransparencygroup");
1741 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1743 msg("<debug> setSoftMask");
1744 boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1745 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1746 rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1747 clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1748 dbg_newdata("setsoftmask");
1750 void BitmapOutputDev::clearSoftMask(GfxState *state)
1752 msg("<debug> clearSoftMask");
1753 boolpolydev->clearSoftMask(state);
1754 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1755 rgbdev->clearSoftMask(state);
1756 clip1dev->clearSoftMask(state);
1757 dbg_newdata("clearsoftmask");