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"
32 #include "../gfxtools.h"
36 #define UNKNOWN_BOUNDING_BOX 0,0,0,0
38 static SplashColor splash_white = {255,255,255};
39 static SplashColor splash_black = {0,0,0};
41 ClipState::ClipState()
48 BitmapOutputDev::BitmapOutputDev(InfoOutputDev*info, PDFDoc*doc)
52 this->xref = doc->getXRef();
54 /* color graphic output device, for creating bitmaps */
55 this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
57 /* color mode for binary bitmaps */
58 SplashColorMode colorMode = splashModeMono1;
60 /* two devices for testing things against clipping: one clips, the other doesn't */
61 this->clip0dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
62 this->clip1dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
64 /* device indicating where polygonal pixels were drawn */
65 this->boolpolydev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
66 /* device indicating where text pixels were drawn */
67 this->booltextdev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
69 /* device for handling texts and links */
70 this->gfxdev = new GFXOutputDev(info, this->doc);
72 this->rgbdev->startDoc(this->xref);
73 this->boolpolydev->startDoc(this->xref);
74 this->booltextdev->startDoc(this->xref);
75 this->clip0dev->startDoc(this->xref);
76 this->clip1dev->startDoc(this->xref);
78 this->gfxoutput = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
79 gfxdevice_record_init(this->gfxoutput, 0);
81 this->gfxdev->setDevice(this->gfxoutput);
83 this->config_extrafontdata = 0;
84 this->config_optimizeplaincolorfills = 0;
87 //this->clipstates = 0;
89 BitmapOutputDev::~BitmapOutputDev()
92 gfxresult_t*r = this->gfxoutput->finish(this->gfxoutput);
94 free(this->gfxoutput);this->gfxoutput = 0;
97 delete this->bboxpath;this->bboxpath = 0;
100 delete this->rgbdev;this->rgbdev = 0;
103 delete this->gfxdev;this->gfxdev= 0;
105 if(this->boolpolydev) {
106 delete this->boolpolydev;this->boolpolydev = 0;
108 if(this->stalepolybitmap) {
109 delete this->stalepolybitmap;this->stalepolybitmap = 0;
111 if(this->staletextbitmap) {
112 delete this->staletextbitmap;this->staletextbitmap = 0;
114 if(this->booltextdev) {
115 delete this->booltextdev;this->booltextdev = 0;
118 delete this->clip0dev;this->clip0dev = 0;
121 delete this->clip1dev;this->clip1dev = 0;
123 //if(this->clipbitmap) {
124 // delete this->clipbitmap;this->clipbitmap = 0;
126 //if(this->clipdev) {
127 // delete this->clipdev;this->clipdev = 0;
132 GBool BitmapOutputDev::getVectorAntialias()
134 return this->rgbdev->getVectorAntialias();
136 void BitmapOutputDev::setVectorAntialias(GBool vaa)
138 this->rgbdev->setVectorAntialias(vaa);
140 void BitmapOutputDev::setDevice(gfxdevice_t*dev)
144 void BitmapOutputDev::setMove(int x,int y)
146 this->gfxdev->setMove(x,y);
147 this->user_movex = x;
148 this->user_movey = y;
150 void BitmapOutputDev::setClip(int x1,int y1,int x2,int y2)
152 this->gfxdev->setClip(x1,y1,x2,y2);
153 this->user_clipx1 = x1;
154 this->user_clipy1 = y1;
155 this->user_clipx2 = x2;
156 this->user_clipy2 = y2;
158 void BitmapOutputDev::setParameter(const char*key, const char*value)
160 if(!strcmp(key, "extrafontdata")) {
161 this->config_extrafontdata = atoi(value);
163 this->gfxdev->setParameter(key, value);
165 void BitmapOutputDev::setPageMap(int*page2page, int num_pages)
167 this->gfxdev->setPageMap(page2page, num_pages);
170 void writeBitmap(SplashBitmap*bitmap, char*filename);
171 void writeAlpha(SplashBitmap*bitmap, char*filename);
173 static int dbg_btm_counter=1;
175 void BitmapOutputDev::flushBitmap()
177 int bitmap_width = rgbdev->getBitmapWidth();
178 int bitmap_height = rgbdev->getBitmapHeight();
180 if(sizeof(SplashColor)!=3) {
181 msg("<error> sizeof(SplashColor)!=3");
185 /*static int counter=0;
187 writeBitmap(rgbdev->getBitmap(), "test.png");
190 /*static int counter=0;
192 sprintf(filename, "test%d.png", counter++);
193 writeBitmap(rgbbitmap, filename);*/
195 SplashColorPtr rgb = rgbbitmap->getDataPtr();
196 Guchar*alpha = rgbbitmap->getAlphaPtr();
198 Guchar*alpha2 = stalepolybitmap->getDataPtr();
199 int bitmap_width8 = (stalepolybitmap->getWidth()+7)/8;
202 sprintf(filename, "flush%d_mask.png", dbg_btm_counter);
203 writeAlpha(stalepolybitmap, filename);
204 sprintf(filename, "flush%d_alpha.png", dbg_btm_counter);
205 writeAlpha(rgbbitmap, filename);
206 sprintf(filename, "flush%d_bitmap.png", dbg_btm_counter);
207 writeBitmap(rgbbitmap, filename);*/
209 ibbox_t pagebox = {-movex, -movey, -movex + this->width, -movey + this->height, 0};
210 ibbox_t bitmapbox = {0, 0, bitmap_width, bitmap_height, 0};
211 ibbox_t c = ibbox_clip(&bitmapbox, &pagebox);
212 ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)(alpha+c.ymin*bitmap_width+c.xmin), c.xmax - c.xmin, c.ymax - c.ymin, bitmap_width);
215 for(b=boxes;b;b=b->next) {
216 int xmin = b->xmin - this->movex;
217 int ymin = b->ymin - this->movey;
218 int xmax = b->xmax - this->movex;
219 int ymax = b->ymax - this->movey;
221 /* clip against (-movex, -movey, -movex+width, -movey+height) */
223 msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d %dx%d) (clipped against %d,%d,%d,%d)", xmin,ymin,xmax,ymax, xmax-xmin, ymax-ymin,
224 -this->movex, -this->movey, -this->movex+this->width, -this->movey+this->height);
226 if(xmin < -this->movex) {
228 if(xmax < -this->movex) continue;
230 if(ymin < -this->movey) {
232 if(ymax < -this->movey) continue;
234 if(xmax >= -this->movex + this->width) {
235 xmax = -this->movex+this->width;
236 if(xmin >= -this->movex + this->width) continue;
238 if(ymax >= -this->movey + this->height) {
239 ymax = -this->movey+this->height;
240 if(ymin >= -this->movey + this->height) continue;
243 if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
246 int rangex = xmax-xmin;
247 int rangey = ymax-ymin;
248 gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
249 img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
251 img->height = rangey;
253 for(y=0;y<rangey;y++) {
254 SplashColorPtr in=&rgb[((y+ymin)*bitmap_width+xmin)*sizeof(SplashColor)];
255 gfxcolor_t*out = &img->data[y*rangex];
256 Guchar*ain = &alpha[(y+ymin)*bitmap_width+xmin];
257 Guchar*ain2 = &alpha2[(y+ymin)*bitmap_width8];
258 if(this->emptypage) {
259 for(x=0;x<rangex;x++) {
260 /* the first bitmap on the page doesn't need to have an alpha channel-
261 blend against a white background*/
262 out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
263 out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
264 out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
268 for(x=0;x<rangex;x++) {
269 if(!(ain2[(x+xmin)/8]&(0x80>>((x+xmin)&7)))) {
270 /* cut away pixels that we don't remember drawing (i.e., that are
271 not in the monochrome bitmap). Prevents some "hairlines" showing
272 up to the left and right of bitmaps. */
273 out[x].r = 0;out[x].g = 0;out[x].b = 0;out[x].a = 0;
275 /* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, this
276 data has non-premultiplied alpha, which is exactly what the output device
277 expects, so don't premultiply it here, either.
279 out[x].r = in[x*3+0];
280 out[x].g = in[x*3+1];
281 out[x].b = in[x*3+2];
288 /* transform bitmap rectangle to "device space" */
302 gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
303 dev->fillbitmap(dev, line, img, &m, 0);
306 free(img->data);img->data=0;free(img);img=0;
308 ibbox_destroy(boxes);
310 memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
311 memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
316 void BitmapOutputDev::flushText()
318 msg("<verbose> Flushing text");
320 static gfxfontlist_t*output_font_list = 0;
321 static gfxdevice_t*last = 0;
322 if(last != this->dev) {
324 gfxfontlist_free(output_font_list, 0);
325 output_font_list = gfxfontlist_create();
327 gfxdevice_record_flush(this->gfxoutput, this->dev, &output_font_list);
333 void writeMonoBitmap(SplashBitmap*btm, char*filename)
335 int width8 = (btm->getWidth()+7)/8;
336 int width = btm->getWidth();
337 int height = btm->getHeight();
338 gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
339 unsigned char*data = btm->getDataPtr();
341 for(y=0;y<height;y++) {
342 unsigned char*l = &data[width8*y];
343 gfxcolor_t*d = &b[width*y];
344 for(x=0;x<width;x++) {
345 if(l[x>>3]&(128>>(x&7))) {
346 d[x].r = d[x].b = d[x].a = 255;
349 d[x].r = d[x].g = d[x].b = d[x].a = 0;
353 writePNG(filename, (unsigned char*)b, width, height);
357 void writeBitmap(SplashBitmap*bitmap, char*filename)
361 int width = bitmap->getWidth();
362 int height = bitmap->getHeight();
364 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
366 if(bitmap->getMode()==splashModeMono1) {
367 writeMonoBitmap(bitmap, filename);
371 for(y=0;y<height;y++) {
372 gfxcolor_t*line = &data[y*width];
373 for(x=0;x<width;x++) {
374 Guchar c[4] = {0,0,0,0};
375 bitmap->getPixel(x,y,c);
379 line[x].a = bitmap->getAlpha(x,y);
382 writePNG(filename, (unsigned char*)data, width, height);
386 void writeAlpha(SplashBitmap*bitmap, char*filename)
390 int width = bitmap->getWidth();
391 int height = bitmap->getHeight();
393 if(bitmap->getMode()==splashModeMono1) {
394 writeMonoBitmap(bitmap, filename);
398 gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
400 for(y=0;y<height;y++) {
401 gfxcolor_t*line = &data[y*width];
402 for(x=0;x<width;x++) {
403 int a = bitmap->getAlpha(x,y);
410 writePNG(filename, (unsigned char*)data, width, height);
414 static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
416 int checkAlphaSanity(SplashBitmap*boolbtm, SplashBitmap*alphabtm)
418 assert(boolbtm->getWidth() == alphabtm->getWidth());
419 assert(boolbtm->getHeight() == alphabtm->getHeight());
420 if(boolbtm->getMode()==splashModeMono1) {
424 int width = boolbtm->getWidth();
425 int height = boolbtm->getHeight();
429 for(y=0;y<height;y++) {
430 for(x=0;x<width;x++) {
431 int a1 = alphabtm->getAlpha(x,y);
432 int a2 = boolbtm->getAlpha(x,y);
438 double badness = bad/(double)(width*height);
440 msg("<error> Bitmaps don't correspond: %d out of %d pixels wrong (%.2f%%)", bad, width*height,
444 msg("<notice> %f", badness);
448 static inline GBool fixBBox(int*x1, int*y1, int*x2, int*y2, int width, int height)
450 if(!(*x1|*y1|*x2|*y2)) {
457 if(*x2<=*x1) return gFalse;
458 if(*x2<0) return gFalse;
460 if(*x1>=width) return gFalse;
461 if(*x2>width) *x2=width;
463 if(*y2<=*y1) return gFalse;
464 if(*y2<0) return gFalse;
466 if(*y1>=height) return gFalse;
467 if(*y2>height) *y2=height;
471 static void update_bitmap(SplashBitmap*bitmap, SplashBitmap*update, int x1, int y1, int x2, int y2, char overwrite)
473 assert(bitmap->getMode()==splashModeMono1);
474 assert(update->getMode()==splashModeMono1);
476 int width8 = (bitmap->getWidth()+7)/8;
477 assert(width8 == bitmap->getRowSize());
478 assert(width8 == update->getRowSize());
479 int height = bitmap->getHeight();
480 assert(height == update->getHeight());
482 if(!fixBBox(&x1, &y1, &x2, &y2, bitmap->getWidth(), bitmap->getHeight()))
485 Guchar*b = bitmap->getDataPtr() + y1*width8 + x1/8;
486 Guchar*u = update->getDataPtr() + y1*width8 + x1/8;
488 int xspan = (x2+7)/8 - x1/8;
489 int size = (y2-y1)*width8;
493 for(y=0;y<yspan;y++) {
499 if(((ptroff_t)b&7)==((ptroff_t)u&7)) {
501 for(y=0;y<yspan;y++) {
502 Guchar*e1 = b+xspan-8;
504 while(((ptroff_t)b&7) && b<e1) {
509 *(long long*)b |= *(long long*)u;
521 for(y=0;y<yspan;y++) {
522 for(x=0;x<xspan;x++) {
532 static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
534 if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
537 if(btm->getMode()==splashModeMono1) {
538 int width8 = (btm->getWidth()+7)/8;
539 assert(width8 == btm->getRowSize());
540 int width = btm->getWidth();
541 int height = btm->getHeight();
542 Guchar*data = btm->getDataPtr();
543 memset(data+y1*width8, 0, width8*(y2-y1));
545 int width = btm->getAlphaRowSize();
546 int height = btm->getHeight();
547 memset(btm->getAlphaPtr(), 0, width*height);
551 void BitmapOutputDev::dbg_newdata(char*newdata)
557 sprintf(filename1, "state%03dboolbitmap_after%s.png", dbg_btm_counter, newdata);
558 sprintf(filename2, "state%03dbooltext_after%s.png", dbg_btm_counter, newdata);
559 sprintf(filename3, "state%03dbitmap_after%s.png", dbg_btm_counter, newdata);
560 msg("<verbose> %s %s %s", filename1, filename2, filename3);
561 writeAlpha(stalepolybitmap, filename1);
562 writeAlpha(booltextbitmap, filename2);
563 writeBitmap(rgbdev->getBitmap(), filename3);
568 GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
570 /* called once some new text was drawn on booltextdev, and
571 before the same thing is drawn on gfxdev */
573 msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
576 if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
577 if(layerstate==STATE_PARALLEL) {
578 /* the new text is above the bitmap. So record that fact. */
579 msg("<verbose> Text is above current bitmap/polygon data");
580 layerstate=STATE_TEXT_IS_ABOVE;
581 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
582 } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
583 /* there's a bitmap above the (old) text. So we need
584 to flush out that text, and record that the *new*
585 text is now *above* the bitmap
587 msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
589 layerstate=STATE_TEXT_IS_ABOVE;
592 /* re-apply the update (which we would otherwise lose) */
593 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
596 /* we already know that the current text section is
597 above the current bitmap section- now just new
598 bitmap data *and* new text data was drawn, and
599 *again* it's above the current bitmap. */
600 msg("<verbose> Text is still above current bitmap/polygon data");
601 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
604 update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
607 /* clear the thing we just drew from our temporary drawing bitmap */
608 clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
612 GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
614 /* similar to checkNewText() above, only in reverse */
615 msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
618 if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
619 if(layerstate==STATE_PARALLEL) {
620 msg("<verbose> Bitmap is above current text data");
621 layerstate=STATE_BITMAP_IS_ABOVE;
622 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
623 } else if(layerstate==STATE_TEXT_IS_ABOVE) {
624 msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
626 layerstate=STATE_BITMAP_IS_ABOVE;
628 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
631 msg("<verbose> Bitmap is still above current text data");
632 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
635 update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
638 /* clear the thing we just drew from our temporary drawing bitmap */
639 clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
644 //void checkNewText() {
645 // Guchar*alpha = rgbbitmap->getAlphaPtr();
646 // Guchar*charpixels = clip1bitmap->getDataPtr();
648 // for(yy=0;yy<height;yy++) {
649 // Guchar*aline = &alpha[yy*width];
650 // Guchar*cline = &charpixels[yy*width8];
651 // for(xx=0;xx<width;xx++) {
653 // int bytepos = xx>>3;
654 // /* TODO: is the bit order correct? */
655 // if(aline[xx] && (cline[bytepos]&(1<<bit)))
662 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
664 if(clip0bitmap->getMode()==splashModeMono1) {
665 int width = clip0bitmap->getWidth();
666 int width8 = (width+7)/8;
667 int height = clip0bitmap->getHeight();
669 if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
670 /* area is outside or null */
674 SplashBitmap*clip0 = clip0bitmap;
675 SplashBitmap*clip1 = clip1bitmap;
681 unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
682 unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
683 if(memcmp(row1, row2, x28-x18)) {
689 SplashBitmap*clip0 = clip0bitmap;
690 SplashBitmap*clip1 = clip1bitmap;
691 int width = clip0->getAlphaRowSize();
692 int height = clip0->getHeight();
694 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
698 Guchar*a0 = clip0->getAlphaPtr();
699 Guchar*a1 = clip1->getAlphaPtr();
704 if(a0[y*width+x]!=a1[y*width+x]) {
712 char differs2 = memcmp(a0, a1, width*height);
713 if(differs && !differs2)
714 msg("<warning> Strange internal error (2)");
715 else if(!differs && differs2) {
716 msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
717 msg("<warning> %d %d %d %d", x1, y1, x2, y2);
723 GBool compare8(unsigned char*data1, unsigned char*data2, int len)
727 if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
728 // oh good, we can align both to 8 byte
729 while((ptroff_t)data1&7) {
738 /* use 64 bit for the (hopefully aligned) middle section */
740 long long unsigned int*d1 = (long long unsigned int*)data1;
741 long long unsigned int*d2 = (long long unsigned int*)data2;
742 long long unsigned int x = 0;
754 if(data1[t]&data2[t]) {
761 GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
763 if(boolpoly->getMode()==splashModeMono1) {
764 /* alternative implementation, using one bit per pixel-
765 needs the no-dither patch in xpdf */
767 int width = boolpoly->getWidth();
768 int height = boolpoly->getHeight();
770 if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
774 Guchar*polypixels = boolpoly->getDataPtr();
775 Guchar*textpixels = booltext->getDataPtr();
777 int width8 = (width+7)/8;
782 polypixels+=y1*width8+x1/8;
783 textpixels+=y1*width8+x1/8;
784 runx=(x2+7)/8 - x1/8;
791 /*assert(sizeof(unsigned long long int)==8);
792 if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
793 //msg("<warning> Non-optimal alignment");
797 unsigned char*data1 = (unsigned char*)polypixels;
798 unsigned char*data2 = (unsigned char*)textpixels;
799 msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
800 for(y=0;y<runy;y++) {
801 if(compare8(data1,data2,runx))
808 int width = boolpoly->getAlphaRowSize();
809 int height = boolpoly->getHeight();
811 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
814 Guchar*polypixels = boolpoly->getAlphaPtr();
815 Guchar*textpixels = booltext->getAlphaPtr();
822 if(polypixels[width*y+x]&&textpixels[width*y+x])
826 int ax1=0,ay1=0,ax2=0,ay2=0;
827 for(y=0;y<height;y++) {
828 for(x=0;x<width;x++) {
829 if(polypixels[width*y+x]&&textpixels[width*y+x]) {
831 if(!(ax1|ay1|ax2|ay2)) {
843 if(overlap1 && !overlap2)
844 msg("<warning> strange internal error");
845 if(!overlap1 && overlap2) {
846 msg("<warning> Bad bounding box: intersection outside bbox");
847 msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
848 msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
854 GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
855 int rotate, GBool useMediaBox, GBool crop,
856 int sliceX, int sliceY, int sliceW, int sliceH,
857 GBool printing, Catalog *catalog,
858 GBool (*abortCheckCbk)(void *data),
859 void *abortCheckCbkData)
862 gfxdev->setPage(page);
866 void BitmapOutputDev::startPage(int pageNum, GfxState *state)
868 PDFRectangle *r = this->page->getCropBox();
870 state->transform(r->x1,r->y1,&x1,&y1);
871 state->transform(r->x2,r->y2,&x2,&y2);
872 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
873 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
875 this->movex = -(int)x1 - user_movex;
876 this->movey = -(int)y1 - user_movey;
878 if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
884 this->width = (int)(x2-x1);
885 this->height = (int)(y2-y1);
887 rgbdev->startPage(pageNum, state);
888 boolpolydev->startPage(pageNum, state);
889 booltextdev->startPage(pageNum, state);
890 clip0dev->startPage(pageNum, state);
891 clip1dev->startPage(pageNum, state);
892 gfxdev->startPage(pageNum, state);
894 boolpolybitmap = boolpolydev->getBitmap();
895 stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
896 assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
898 booltextbitmap = booltextdev->getBitmap();
899 staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
900 assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
902 msg("<debug> startPage %dx%d (%dx%d)", this->width, this->height, booltextbitmap->getWidth(), booltextbitmap->getHeight());
904 clip0bitmap = clip0dev->getBitmap();
905 clip1bitmap = clip1dev->getBitmap();
906 rgbbitmap = rgbdev->getBitmap();
908 flushText(); // write out the initial clipping rectangle
910 /* just in case any device did draw a white background rectangle
915 this->layerstate = STATE_PARALLEL;
917 msg("<debug> startPage done");
920 void BitmapOutputDev::endPage()
922 msg("<verbose> endPage (BitmapOutputDev)");
924 /* notice: we're not fully done yet with this page- there might still be
925 a few calls to drawLink() yet to come */
927 void BitmapOutputDev::finishPage()
929 msg("<verbose> finishPage (BitmapOutputDev)");
934 /* splash will now destroy alpha, and paint the
935 background color into the "holes" in the bitmap */
936 boolpolydev->endPage();
937 booltextdev->endPage();
943 GBool BitmapOutputDev::upsideDown()
945 boolpolydev->upsideDown();
946 booltextdev->upsideDown();
947 clip0dev->upsideDown();
948 clip1dev->upsideDown();
949 return rgbdev->upsideDown();
952 GBool BitmapOutputDev::useDrawChar()
954 boolpolydev->useDrawChar();
955 booltextdev->useDrawChar();
956 clip0dev->useDrawChar();
957 clip1dev->useDrawChar();
958 return rgbdev->useDrawChar();
961 GBool BitmapOutputDev::useTilingPatternFill()
963 boolpolydev->useTilingPatternFill();
964 booltextdev->useTilingPatternFill();
965 clip0dev->useTilingPatternFill();
966 clip1dev->useTilingPatternFill();
967 return rgbdev->useTilingPatternFill();
970 GBool BitmapOutputDev::useShadedFills()
972 boolpolydev->useShadedFills();
973 booltextdev->useShadedFills();
974 clip0dev->useShadedFills();
975 clip1dev->useShadedFills();
976 return rgbdev->useShadedFills();
979 GBool BitmapOutputDev::useDrawForm()
981 boolpolydev->useDrawForm();
982 booltextdev->useDrawForm();
983 clip0dev->useDrawForm();
984 clip1dev->useDrawForm();
985 return rgbdev->useDrawForm();
988 GBool BitmapOutputDev::interpretType3Chars()
990 boolpolydev->interpretType3Chars();
991 booltextdev->interpretType3Chars();
992 clip0dev->interpretType3Chars();
993 clip1dev->interpretType3Chars();
994 return rgbdev->interpretType3Chars();
997 GBool BitmapOutputDev::needNonText()
999 boolpolydev->needNonText();
1000 booltextdev->needNonText();
1001 clip0dev->needNonText();
1002 clip1dev->needNonText();
1003 return rgbdev->needNonText();
1005 void BitmapOutputDev::setDefaultCTM(double *ctm)
1007 boolpolydev->setDefaultCTM(ctm);
1008 booltextdev->setDefaultCTM(ctm);
1009 rgbdev->setDefaultCTM(ctm);
1010 clip0dev->setDefaultCTM(ctm);
1011 clip1dev->setDefaultCTM(ctm);
1012 gfxdev->setDefaultCTM(ctm);
1014 void BitmapOutputDev::saveState(GfxState *state)
1016 boolpolydev->saveState(state);
1017 booltextdev->saveState(state);
1018 rgbdev->saveState(state);
1019 clip0dev->saveState(state);
1020 clip1dev->saveState(state);
1022 /*ClipState*cstate = new ClipState();
1023 cstate->next = this->clipstates;
1024 this->clipstates = cstate;*/
1026 void BitmapOutputDev::restoreState(GfxState *state)
1028 boolpolydev->restoreState(state);
1029 booltextdev->restoreState(state);
1030 rgbdev->restoreState(state);
1031 clip0dev->restoreState(state);
1032 clip1dev->restoreState(state);
1034 /*if(this->clipstates) {
1035 ClipState*old = this->clipstates;
1037 gfxdev->restoreState(state);
1039 this->clipstates = this->clipstates->next;
1042 msg("<error> invalid restoreState()");
1045 void BitmapOutputDev::updateAll(GfxState *state)
1047 boolpolydev->updateAll(state);
1048 booltextdev->updateAll(state);
1049 rgbdev->updateAll(state);
1050 clip0dev->updateAll(state);
1051 clip1dev->updateAll(state);
1052 gfxdev->updateAll(state);
1054 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
1056 boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1057 booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1058 rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1059 clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1060 clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1061 gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1063 void BitmapOutputDev::updateLineDash(GfxState *state)
1065 boolpolydev->updateLineDash(state);
1066 booltextdev->updateLineDash(state);
1067 rgbdev->updateLineDash(state);
1068 clip0dev->updateLineDash(state);
1069 clip1dev->updateLineDash(state);
1070 gfxdev->updateLineDash(state);
1072 void BitmapOutputDev::updateFlatness(GfxState *state)
1074 boolpolydev->updateFlatness(state);
1075 booltextdev->updateFlatness(state);
1076 rgbdev->updateFlatness(state);
1077 clip0dev->updateFlatness(state);
1078 clip1dev->updateFlatness(state);
1079 gfxdev->updateFlatness(state);
1081 void BitmapOutputDev::updateLineJoin(GfxState *state)
1083 boolpolydev->updateLineJoin(state);
1084 booltextdev->updateLineJoin(state);
1085 rgbdev->updateLineJoin(state);
1086 clip0dev->updateLineJoin(state);
1087 clip1dev->updateLineJoin(state);
1088 gfxdev->updateLineJoin(state);
1090 void BitmapOutputDev::updateLineCap(GfxState *state)
1092 boolpolydev->updateLineCap(state);
1093 booltextdev->updateLineCap(state);
1094 rgbdev->updateLineCap(state);
1095 clip0dev->updateLineCap(state);
1096 clip1dev->updateLineCap(state);
1097 gfxdev->updateLineCap(state);
1099 void BitmapOutputDev::updateMiterLimit(GfxState *state)
1101 boolpolydev->updateMiterLimit(state);
1102 booltextdev->updateMiterLimit(state);
1103 rgbdev->updateMiterLimit(state);
1104 clip0dev->updateMiterLimit(state);
1105 clip1dev->updateMiterLimit(state);
1106 gfxdev->updateMiterLimit(state);
1108 void BitmapOutputDev::updateLineWidth(GfxState *state)
1110 boolpolydev->updateLineWidth(state);
1111 booltextdev->updateLineWidth(state);
1112 rgbdev->updateLineWidth(state);
1113 clip0dev->updateLineWidth(state);
1114 clip1dev->updateLineWidth(state);
1115 gfxdev->updateLineWidth(state);
1117 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
1119 boolpolydev->updateStrokeAdjust(state);
1120 booltextdev->updateStrokeAdjust(state);
1121 rgbdev->updateStrokeAdjust(state);
1122 clip0dev->updateStrokeAdjust(state);
1123 clip1dev->updateStrokeAdjust(state);
1124 gfxdev->updateStrokeAdjust(state);
1126 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
1128 boolpolydev->updateFillColorSpace(state);
1129 booltextdev->updateFillColorSpace(state);
1130 rgbdev->updateFillColorSpace(state);
1131 clip0dev->updateFillColorSpace(state);
1132 clip1dev->updateFillColorSpace(state);
1133 gfxdev->updateFillColorSpace(state);
1135 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
1137 boolpolydev->updateStrokeColorSpace(state);
1138 booltextdev->updateStrokeColorSpace(state);
1139 rgbdev->updateStrokeColorSpace(state);
1140 clip0dev->updateStrokeColorSpace(state);
1141 clip1dev->updateStrokeColorSpace(state);
1142 gfxdev->updateStrokeColorSpace(state);
1144 void BitmapOutputDev::updateFillColor(GfxState *state)
1146 boolpolydev->updateFillColor(state);
1147 booltextdev->updateFillColor(state);
1148 rgbdev->updateFillColor(state);
1149 clip0dev->updateFillColor(state);
1150 clip1dev->updateFillColor(state);
1151 gfxdev->updateFillColor(state);
1153 void BitmapOutputDev::updateStrokeColor(GfxState *state)
1155 boolpolydev->updateStrokeColor(state);
1156 booltextdev->updateStrokeColor(state);
1157 rgbdev->updateStrokeColor(state);
1158 clip0dev->updateStrokeColor(state);
1159 clip1dev->updateStrokeColor(state);
1160 gfxdev->updateStrokeColor(state);
1162 void BitmapOutputDev::updateBlendMode(GfxState *state)
1164 boolpolydev->updateBlendMode(state);
1165 booltextdev->updateBlendMode(state);
1166 rgbdev->updateBlendMode(state);
1167 clip0dev->updateBlendMode(state);
1168 clip1dev->updateBlendMode(state);
1169 gfxdev->updateBlendMode(state);
1171 void BitmapOutputDev::updateFillOpacity(GfxState *state)
1173 boolpolydev->updateFillOpacity(state);
1174 booltextdev->updateFillOpacity(state);
1175 rgbdev->updateFillOpacity(state);
1176 clip0dev->updateFillOpacity(state);
1177 clip1dev->updateFillOpacity(state);
1178 gfxdev->updateFillOpacity(state);
1180 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
1182 boolpolydev->updateStrokeOpacity(state);
1183 booltextdev->updateStrokeOpacity(state);
1184 rgbdev->updateStrokeOpacity(state);
1185 clip0dev->updateStrokeOpacity(state);
1186 clip1dev->updateStrokeOpacity(state);
1187 gfxdev->updateStrokeOpacity(state);
1189 void BitmapOutputDev::updateFillOverprint(GfxState *state)
1191 boolpolydev->updateFillOverprint(state);
1192 booltextdev->updateFillOverprint(state);
1193 rgbdev->updateFillOverprint(state);
1194 clip0dev->updateFillOverprint(state);
1195 clip1dev->updateFillOverprint(state);
1196 gfxdev->updateFillOverprint(state);
1198 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
1200 boolpolydev->updateStrokeOverprint(state);
1201 booltextdev->updateStrokeOverprint(state);
1202 rgbdev->updateStrokeOverprint(state);
1203 clip0dev->updateStrokeOverprint(state);
1204 clip1dev->updateStrokeOverprint(state);
1205 gfxdev->updateStrokeOverprint(state);
1207 void BitmapOutputDev::updateTransfer(GfxState *state)
1209 boolpolydev->updateTransfer(state);
1210 booltextdev->updateTransfer(state);
1211 rgbdev->updateTransfer(state);
1212 clip0dev->updateTransfer(state);
1213 clip1dev->updateTransfer(state);
1214 gfxdev->updateTransfer(state);
1217 void BitmapOutputDev::updateFont(GfxState *state)
1219 boolpolydev->updateFont(state);
1220 booltextdev->updateFont(state);
1221 rgbdev->updateFont(state);
1222 clip0dev->updateFont(state);
1223 clip1dev->updateFont(state);
1224 gfxdev->updateFont(state);
1226 void BitmapOutputDev::updateTextMat(GfxState *state)
1228 boolpolydev->updateTextMat(state);
1229 booltextdev->updateTextMat(state);
1230 rgbdev->updateTextMat(state);
1231 clip0dev->updateTextMat(state);
1232 clip1dev->updateTextMat(state);
1233 gfxdev->updateTextMat(state);
1235 void BitmapOutputDev::updateCharSpace(GfxState *state)
1237 boolpolydev->updateCharSpace(state);
1238 booltextdev->updateCharSpace(state);
1239 rgbdev->updateCharSpace(state);
1240 clip0dev->updateCharSpace(state);
1241 clip1dev->updateCharSpace(state);
1242 gfxdev->updateCharSpace(state);
1244 void BitmapOutputDev::updateRender(GfxState *state)
1246 boolpolydev->updateRender(state);
1247 booltextdev->updateRender(state);
1248 rgbdev->updateRender(state);
1249 clip0dev->updateRender(state);
1250 clip1dev->updateRender(state);
1251 gfxdev->updateRender(state);
1253 void BitmapOutputDev::updateRise(GfxState *state)
1255 boolpolydev->updateRise(state);
1256 booltextdev->updateRise(state);
1257 rgbdev->updateRise(state);
1258 clip0dev->updateRise(state);
1259 clip1dev->updateRise(state);
1260 gfxdev->updateRise(state);
1262 void BitmapOutputDev::updateWordSpace(GfxState *state)
1264 boolpolydev->updateWordSpace(state);
1265 booltextdev->updateWordSpace(state);
1266 rgbdev->updateWordSpace(state);
1267 clip0dev->updateWordSpace(state);
1268 clip1dev->updateWordSpace(state);
1269 gfxdev->updateWordSpace(state);
1271 void BitmapOutputDev::updateHorizScaling(GfxState *state)
1273 boolpolydev->updateHorizScaling(state);
1274 booltextdev->updateHorizScaling(state);
1275 rgbdev->updateHorizScaling(state);
1276 clip0dev->updateHorizScaling(state);
1277 clip1dev->updateHorizScaling(state);
1278 gfxdev->updateHorizScaling(state);
1280 void BitmapOutputDev::updateTextPos(GfxState *state)
1282 boolpolydev->updateTextPos(state);
1283 booltextdev->updateTextPos(state);
1284 rgbdev->updateTextPos(state);
1285 clip0dev->updateTextPos(state);
1286 clip1dev->updateTextPos(state);
1287 gfxdev->updateTextPos(state);
1289 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
1291 boolpolydev->updateTextShift(state, shift);
1292 booltextdev->updateTextShift(state, shift);
1293 rgbdev->updateTextShift(state, shift);
1294 clip0dev->updateTextShift(state, shift);
1295 clip1dev->updateTextShift(state, shift);
1296 gfxdev->updateTextShift(state, shift);
1299 double max(double x, double y)
1303 double min(double x, double y)
1308 gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
1310 GfxPath * path = state->getPath();
1311 int num = path->getNumSubpaths();
1312 gfxbbox_t bbox = {0,0,1,1};
1315 for(t = 0; t < num; t++) {
1316 GfxSubpath *subpath = path->getSubpath(t);
1317 int subnum = subpath->getNumPoints();
1319 for(s=0;s<subnum;s++) {
1321 state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
1323 bbox.xmin = x; bbox.ymin = y;
1324 bbox.xmax = x; bbox.ymax = y;
1327 bbox.xmin = min(bbox.xmin, x);
1328 bbox.ymin = min(bbox.ymin, y);
1329 bbox.xmax = max(bbox.xmax, x);
1330 bbox.ymax = max(bbox.ymax, y);
1337 void BitmapOutputDev::stroke(GfxState *state)
1339 msg("<debug> stroke");
1340 boolpolydev->stroke(state);
1341 gfxbbox_t bbox = getBBox(state);
1342 double width = state->getTransformedLineWidth();
1343 bbox.xmin -= width; bbox.ymin -= width;
1344 bbox.xmax += width; bbox.ymax += width;
1345 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1346 rgbdev->stroke(state);
1347 dbg_newdata("stroke");
1350 extern gfxcolor_t getFillColor(GfxState * state);
1352 char area_is_plain_colored(GfxState*state, SplashBitmap*boolpoly, SplashBitmap*rgbbitmap, int x1, int y1, int x2, int y2)
1354 int width = boolpoly->getWidth();
1355 int height = boolpoly->getHeight();
1356 if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
1359 gfxcolor_t color = getFillColor(state);
1360 SplashColorPtr rgb = rgbbitmap->getDataPtr()
1361 + (y1*width+x1)*sizeof(SplashColor);
1362 int width8 = (width+7)/8;
1363 unsigned char*bits = (unsigned char*)boolpoly->getDataPtr()
1370 if(rgb[x*3+0] != color.r ||
1371 rgb[x*3+1] != color.g ||
1372 rgb[x*3+2] != color.b)
1375 rgb += width*sizeof(SplashColor);
1380 void BitmapOutputDev::fill(GfxState *state)
1382 msg("<debug> fill");
1383 boolpolydev->fill(state);
1384 gfxbbox_t bbox = getBBox(state);
1385 if(config_optimizeplaincolorfills) {
1386 if(area_is_plain_colored(state, boolpolybitmap, rgbbitmap, bbox.xmin, bbox.ymin, bbox.xmax, bbox.ymax)) {
1390 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1391 rgbdev->fill(state);
1392 dbg_newdata("fill");
1394 void BitmapOutputDev::eoFill(GfxState *state)
1396 msg("<debug> eoFill");
1397 boolpolydev->eoFill(state);
1398 gfxbbox_t bbox = getBBox(state);
1399 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1400 rgbdev->eoFill(state);
1401 dbg_newdata("eofill");
1403 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1404 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1405 int paintType, Dict *resDict,
1406 double *mat, double *bbox,
1407 int x0, int y0, int x1, int y1,
1408 double xStep, double yStep)
1410 msg("<debug> tilingPatternFill");
1411 boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1412 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1413 rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1414 dbg_newdata("tilingpatternfill");
1417 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1418 int paintType, Dict *resDict,
1419 double *mat, double *bbox,
1420 int x0, int y0, int x1, int y1,
1421 double xStep, double yStep)
1423 msg("<debug> tilingPatternFill");
1424 boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1425 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1426 rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1427 dbg_newdata("tilingpatternfill");
1431 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1433 msg("<debug> functionShadedFill");
1434 boolpolydev->functionShadedFill(state, shading);
1435 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1436 return rgbdev->functionShadedFill(state, shading);
1438 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1440 msg("<debug> axialShadedFill");
1441 boolpolydev->axialShadedFill(state, shading);
1442 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1443 return rgbdev->axialShadedFill(state, shading);
1445 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1447 msg("<debug> radialShadedFill");
1448 boolpolydev->radialShadedFill(state, shading);
1449 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1450 return rgbdev->radialShadedFill(state, shading);
1453 SplashColor black = {0,0,0};
1454 SplashColor white = {255,255,255};
1456 void BitmapOutputDev::clip(GfxState *state)
1458 msg("<debug> clip");
1459 boolpolydev->clip(state);
1460 booltextdev->clip(state);
1461 rgbdev->clip(state);
1462 clip1dev->clip(state);
1464 void BitmapOutputDev::eoClip(GfxState *state)
1466 msg("<debug> eoClip");
1467 boolpolydev->eoClip(state);
1468 booltextdev->eoClip(state);
1469 rgbdev->eoClip(state);
1470 clip1dev->eoClip(state);
1472 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1474 msg("<debug> clipToStrokePath");
1475 boolpolydev->clipToStrokePath(state);
1476 booltextdev->clipToStrokePath(state);
1477 rgbdev->clipToStrokePath(state);
1478 clip1dev->clipToStrokePath(state);
1481 void BitmapOutputDev::beginStringOp(GfxState *state)
1483 msg("<debug> beginStringOp");
1484 clip0dev->beginStringOp(state);
1485 clip1dev->beginStringOp(state);
1486 booltextdev->beginStringOp(state);
1487 gfxdev->beginStringOp(state);
1489 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1491 msg("<debug> beginString");
1492 clip0dev->beginString(state, s);
1493 clip1dev->beginString(state, s);
1494 booltextdev->beginString(state, s);
1495 gfxdev->beginString(state, s);
1498 void BitmapOutputDev::clearClips()
1500 clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
1501 clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
1503 void BitmapOutputDev::clearBoolPolyDev()
1505 clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
1507 void BitmapOutputDev::clearBoolTextDev()
1509 clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
1511 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1512 double dx, double dy,
1513 double originX, double originY,
1514 CharCode code, int nBytes, Unicode *u, int uLen)
1516 msg("<debug> drawChar render=%d", state->getRender());
1518 if(state->getRender()&RENDER_CLIP) {
1519 //char is just a clipping boundary
1520 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1521 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1522 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1523 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1524 } else if(state->getRender()&RENDER_STROKE) {
1525 // we're drawing as stroke
1526 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1527 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1528 } else if(rgbbitmap != rgbdev->getBitmap()) {
1529 // we're doing softmasking or transparency grouping
1530 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1531 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1533 // we're drawing a regular char
1535 clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1536 clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1538 /* calculate the bbox of this character */
1539 int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1540 SplashFont*font = clip0dev->getCurrentFont();
1541 SplashPath*path = font?font->getGlyphPath(code):NULL;
1545 path->offset((SplashCoord)x, (SplashCoord)y);
1547 for(t=0;t<path->getLength();t++) {
1550 path->getPoint(t,&xx,&yy,&f);
1551 state->transform(xx,yy,&xx,&yy);
1552 if(xx<x1) x1=(int)xx;
1553 if(yy<y1) y1=(int)yy;
1554 if(xx>=x2) x2=(int)xx+1;
1555 if(yy>=y2) y2=(int)yy+1;
1557 delete(path);path=0;
1560 /* if this character is affected somehow by the various clippings (i.e., it looks
1561 different on a device without clipping), then draw it on the bitmap, not as
1563 if(clip0and1differ(x1,y1,x2,y2)) {
1564 msg("<verbose> Char %d is affected by clipping", code);
1565 boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1566 checkNewBitmap(x1,y1,x2,y2);
1567 rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1568 if(config_extrafontdata) {
1569 int oldrender = state->getRender();
1570 state->setRender(3); //invisible
1571 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1572 state->setRender(oldrender);
1576 /* this char is not at all affected by clipping.
1577 Now just dump out the bitmap we're currently working on, if necessary. */
1578 booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1579 checkNewText(x1,y1,x2,y2);
1580 /* use polygonal output device to do the actual text handling */
1581 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1584 dbg_newdata("text");
1586 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1588 msg("<error> internal error: drawString not implemented");
1591 void BitmapOutputDev::endTextObject(GfxState *state)
1593 msg("<debug> endTextObject");
1594 rgbdev->endTextObject(state);
1595 clip0dev->endTextObject(state);
1596 clip1dev->endTextObject(state);
1597 booltextdev->endTextObject(state);
1598 /* the only thing "drawn" here is clipping */
1599 //checkNewText(UNKNOWN_BOUNDING_BOX);
1600 gfxdev->endTextObject(state);
1601 dbg_newdata("endtextobject");
1603 void BitmapOutputDev::endString(GfxState *state)
1605 msg("<debug> endString");
1606 clip0dev->endString(state);
1607 clip1dev->endString(state);
1608 booltextdev->endString(state);
1609 int render = state->getRender();
1610 if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
1611 /* xpdf draws things like stroke text or fill+stroke text in the
1612 endString() method */
1613 checkNewText(UNKNOWN_BOUNDING_BOX);
1615 gfxdev->endString(state);
1616 dbg_newdata("endstring");
1618 void BitmapOutputDev::endStringOp(GfxState *state)
1620 msg("<debug> endStringOp");
1621 clip0dev->endStringOp(state);
1622 clip1dev->endStringOp(state);
1623 booltextdev->endStringOp(state);
1624 gfxdev->endStringOp(state);
1625 dbg_newdata("endstringop");
1628 /* TODO: these four operations below *should* do nothing, as type3
1629 chars are drawn using operations like fill() */
1630 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1631 double dx, double dy,
1632 CharCode code, Unicode *u, int uLen)
1634 msg("<debug> beginType3Char");
1635 /* call gfxdev so that it can generate "invisible" characters
1636 on top of the actual graphic content, for text extraction */
1637 return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1639 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1641 msg("<debug> type3D0");
1642 return gfxdev->type3D0(state, wx, wy);
1644 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1646 msg("<debug> type3D1");
1647 return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1649 void BitmapOutputDev::endType3Char(GfxState *state)
1651 msg("<debug> endType3Char");
1652 gfxdev->endType3Char(state);
1655 class CopyStream: public Object
1659 MemStream*memstream;
1661 CopyStream(Stream*str, int len)
1666 buf = (char*)malloc(len);
1668 for (t=0; t<len; t++)
1669 buf[t] = str->getChar();
1672 this->dict = str->getDict();
1673 this->memstream = new MemStream(buf, 0, len, this);
1677 ::free(this->buf);this->buf = 0;
1678 delete this->memstream;
1680 Dict* getDict() {return dict;}
1681 Stream* getStream() {return this->memstream;};
1684 gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
1688 state->transform(0, 1, &x, &y);
1689 bbox.xmin=bbox.xmax = x;
1690 bbox.ymin=bbox.ymax = y;
1691 state->transform(0, 0, &x, &y);
1692 bbox.xmin=min(bbox.xmin,x);
1693 bbox.ymin=min(bbox.ymin,y);
1694 bbox.xmax=max(bbox.xmax,x);
1695 bbox.ymax=max(bbox.ymax,y);
1696 state->transform(1, 0, &x, &y);
1697 bbox.xmin=min(bbox.xmin,x);
1698 bbox.ymin=min(bbox.ymin,y);
1699 bbox.xmax=max(bbox.xmax,x);
1700 bbox.ymax=max(bbox.ymax,y);
1701 state->transform(1, 1, &x, &y);
1702 bbox.xmin=min(bbox.xmin,x);
1703 bbox.ymin=min(bbox.ymin,y);
1704 bbox.xmax=max(bbox.xmax,x);
1705 bbox.ymax=max(bbox.ymax,y);
1709 GBool invalid_size(int width, int height)
1711 if((U64)width*(U64)height > 0x7fffffffll)
1716 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1717 int width, int height, GBool invert,
1720 msg("<debug> drawImageMask streamkind=%d", str->getKind());
1721 if(invalid_size(width,height)) return;
1723 CopyStream*cpystr = new CopyStream(str, height * ((width + 7) / 8));
1724 str = cpystr->getStream();
1726 boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1727 gfxbbox_t bbox = getImageBBox(state);
1728 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1729 rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1731 dbg_newdata("imagemask");
1733 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1734 int width, int height, GfxImageColorMap *colorMap,
1735 int *maskColors, GBool inlineImg)
1737 msg("<debug> drawImage streamkind=%d", str->getKind());
1738 if(invalid_size(width,height)) return;
1740 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1741 str = cpystr->getStream();
1743 boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1744 gfxbbox_t bbox=getImageBBox(state);
1745 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1746 rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1748 dbg_newdata("image");
1750 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1751 int width, int height,
1752 GfxImageColorMap *colorMap,
1753 Stream *maskStr, int maskWidth, int maskHeight,
1756 msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1757 if(invalid_size(width,height)) return;
1759 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1760 str = cpystr->getStream();
1762 boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1763 gfxbbox_t bbox=getImageBBox(state);
1764 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1765 rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1767 dbg_newdata("maskedimage");
1769 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1770 int width, int height,
1771 GfxImageColorMap *colorMap,
1773 int maskWidth, int maskHeight,
1774 GfxImageColorMap *maskColorMap)
1776 msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1777 if(invalid_size(width,height)) return;
1779 CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1780 str = cpystr->getStream();
1782 boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1783 gfxbbox_t bbox=getImageBBox(state);
1784 checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1785 rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1787 dbg_newdata("softmaskimage");
1789 void BitmapOutputDev::drawForm(Ref id)
1791 msg("<debug> drawForm");
1792 boolpolydev->drawForm(id);
1793 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1794 rgbdev->drawForm(id);
1797 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1799 msg("<debug> processLink");
1801 gfxdev->processLink(link, catalog);
1803 void BitmapOutputDev::flushEverything()
1805 if(layerstate == STATE_BITMAP_IS_ABOVE) {
1807 this->flushBitmap();
1809 this->flushBitmap();
1814 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1815 GfxColorSpace *blendingColorSpace,
1816 GBool isolated, GBool knockout,
1819 msg("<debug> beginTransparencyGroup");
1820 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1821 GfxState*state1 = state->copy();
1822 GfxState*state2 = state->copy();
1824 state1->setPath(state->getPath()->copy());
1826 state2->setPath(state->getPath()->copy());
1828 GfxState*state1 = state->copy(gTrue);
1829 GfxState*state2 = state->copy(gTrue);
1831 boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1832 rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1833 clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1836 dbg_newdata("endtransparencygroup");
1838 void BitmapOutputDev::endTransparencyGroup(GfxState *state)
1840 msg("<debug> endTransparencyGroup");
1841 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1842 GfxState*state1 = state->copy();
1843 GfxState*state2 = state->copy();
1845 state1->setPath(state->getPath()->copy());
1847 state2->setPath(state->getPath()->copy());
1849 GfxState*state1 = state->copy(gTrue);
1850 GfxState*state2 = state->copy(gTrue);
1852 boolpolydev->endTransparencyGroup(state1);
1853 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1854 rgbdev->endTransparencyGroup(state2);
1857 clip1dev->endTransparencyGroup(state);
1858 dbg_newdata("endtransparencygroup");
1860 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1862 msg("<debug> paintTransparencyGroup");
1863 boolpolydev->paintTransparencyGroup(state,bbox);
1864 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1865 rgbdev->paintTransparencyGroup(state,bbox);
1866 clip1dev->paintTransparencyGroup(state,bbox);
1867 dbg_newdata("painttransparencygroup");
1869 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1871 msg("<debug> setSoftMask");
1872 boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1873 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1874 rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1875 clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1876 dbg_newdata("setsoftmask");
1878 void BitmapOutputDev::clearSoftMask(GfxState *state)
1880 msg("<debug> clearSoftMask");
1881 boolpolydev->clearSoftMask(state);
1882 checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1883 rgbdev->clearSoftMask(state);
1884 clip1dev->clearSoftMask(state);
1885 dbg_newdata("clearsoftmask");