lib/pdf/BitmapOutputDev.cc

   1 /* InfoOutputDev.h
   2
   3    Output Device which creates a bitmap.
   4
   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.
   9
  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.
  14
  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 */
  18
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <memory.h>
  22 #include <assert.h>
  23 #include "config.h"
  24 #include "BitmapOutputDev.h"
  25 #include "GFXOutputDev.h"
  26 #include "SplashBitmap.h"
  27 #include "SplashPattern.h"
  28 #include "Splash.h"
  29 #include "../log.h"
  30 #include "../png.h"
  31 #include "../devices/record.h"
  32 #include "../gfxtools.h"
  33 #include "../types.h"
  34 #include "bbox.h"
  35
  36 #define UNKNOWN_BOUNDING_BOX 0,0,0,0
  37
  38 static SplashColor splash_white = {255,255,255};
  39 static SplashColor splash_black = {0,0,0};
  40
  41 ClipState::ClipState()
  42 {
  43     this->next = 0;
  44     this->clipbitmap = 0;
  45     this->written = 0;
  46 }
  47
  48 BitmapOutputDev::BitmapOutputDev(InfoOutputDev*info, PDFDoc*doc)
  49 {
  50     this->info = info;
  51     this->doc = doc;
  52     this->xref = doc->getXRef();
  53
  54     /* color graphic output device, for creating bitmaps */
  55     this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
  56
  57     /* color mode for binary bitmaps */
  58     SplashColorMode colorMode = splashModeMono1;
  59
  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);
  63
  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);
  68
  69     /* device for handling texts and links */
  70     this->gfxdev = new GFXOutputDev(info, this->doc);
  71
  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);
  77
  78     this->gfxoutput = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
  79     gfxdevice_record_init(this->gfxoutput, 0);
  80
  81     this->gfxdev->setDevice(this->gfxoutput);
  82
  83     this->config_extrafontdata = 0;
  84     this->config_optimizeplaincolorfills = 0;
  85     this->bboxpath = 0;
  86     //this->clipdev = 0;
  87     //this->clipstates = 0;
  88 }
  89 BitmapOutputDev::~BitmapOutputDev()
  90 {
  91     if(this->gfxoutput) {
  92         gfxresult_t*r = this->gfxoutput->finish(this->gfxoutput);
  93         r->destroy(r);
  94         free(this->gfxoutput);this->gfxoutput = 0;
  95     }
  96     if(this->bboxpath) {
  97         delete this->bboxpath;this->bboxpath = 0;
  98     }
  99     if(this->rgbdev) {
 100         delete this->rgbdev;this->rgbdev = 0;
 101     }
 102     if(this->gfxdev) {
 103         delete this->gfxdev;this->gfxdev= 0;
 104     }
 105     if(this->boolpolydev) {
 106         delete this->boolpolydev;this->boolpolydev = 0;
 107     }
 108     if(this->stalepolybitmap) {
 109         delete this->stalepolybitmap;this->stalepolybitmap = 0;
 110     }
 111     if(this->staletextbitmap) {
 112         delete this->staletextbitmap;this->staletextbitmap = 0;
 113     }
 114     if(this->booltextdev) {
 115         delete this->booltextdev;this->booltextdev = 0;
 116     }
 117     if(this->clip0dev) {
 118         delete this->clip0dev;this->clip0dev = 0;
 119     }
 120     if(this->clip1dev) {
 121         delete this->clip1dev;this->clip1dev = 0;
 122     }
 123     //if(this->clipbitmap) {
 124     //    delete this->clipbitmap;this->clipbitmap = 0;
 125     //}
 126     //if(this->clipdev) {
 127     //    delete this->clipdev;this->clipdev = 0;
 128     //}
 129
 130 }
 131
 132 GBool BitmapOutputDev::getVectorAntialias()
 133 {
 134     return this->rgbdev->getVectorAntialias();
 135 }
 136 void BitmapOutputDev::setVectorAntialias(GBool vaa)
 137 {
 138     this->rgbdev->setVectorAntialias(vaa);
 139 }
 140 void BitmapOutputDev::setDevice(gfxdevice_t*dev)
 141 {
 142     this->dev = dev;
 143 }
 144 void BitmapOutputDev::setMove(int x,int y)
 145 {
 146     this->gfxdev->setMove(x,y);
 147     this->user_movex = x;
 148     this->user_movey = y;
 149 }
 150 void BitmapOutputDev::setClip(int x1,int y1,int x2,int y2)
 151 {
 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;
 157 }
 158 void BitmapOutputDev::setParameter(const char*key, const char*value)
 159 {
 160     if(!strcmp(key, "extrafontdata")) {
 161         this->config_extrafontdata = atoi(value);
 162     }
 163     this->gfxdev->setParameter(key, value);
 164 }
 165 void BitmapOutputDev::setPageMap(int*page2page, int num_pages)
 166 {
 167     this->gfxdev->setPageMap(page2page, num_pages);
 168 }
 169
 170 void writeBitmap(SplashBitmap*bitmap, char*filename);
 171 void writeAlpha(SplashBitmap*bitmap, char*filename);
 172
 173 static int dbg_btm_counter=1;
 174
 175 void BitmapOutputDev::flushBitmap()
 176 {
 177     int width = rgbdev->getBitmapWidth();
 178     int height = rgbdev->getBitmapHeight();
 179
 180     if(sizeof(SplashColor)!=3) {
 181         msg("<error> sizeof(SplashColor)!=3");
 182         return;
 183     }
 184
 185     /*static int counter=0;
 186     if(!counter) {
 187         writeBitmap(rgbdev->getBitmap(), "test.png");
 188     } counter++;*/
 189
 190     /*static int counter=0;
 191     char filename[160];
 192     sprintf(filename, "test%d.png", counter++);
 193     writeBitmap(rgbbitmap, filename);*/
 194
 195     SplashColorPtr rgb = rgbbitmap->getDataPtr();
 196     Guchar*alpha = rgbbitmap->getAlphaPtr();
 197
 198     Guchar*alpha2 = stalepolybitmap->getDataPtr();
 199     int width8 = (stalepolybitmap->getWidth()+7)/8;
 200
 201     /*char filename[80];
 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);*/
 208
 209     ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)alpha, width, height);
 210     ibbox_t*b;
 211
 212     for(b=boxes;b;b=b->next) {
 213         int xmin = b->xmin;
 214         int ymin = b->ymin;
 215         int xmax = b->xmax;
 216         int ymax = b->ymax;
 217
 218         /* clip against (-movex, -movey, -movex+width, -movey+height) */
 219
 220         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,
 221                 -this->movex, -this->movey, -this->movex+this->width, -this->movey+this->height);
 222
 223         if(xmin < -this->movex) {
 224             xmin = -this->movex;
 225             if(xmax < -this->movex) continue;
 226         }
 227         if(ymin < -this->movey) {
 228             ymin = -this->movey;
 229             if(ymax < -this->movey) continue;
 230         }
 231         if(xmax >= -this->movex + this->width) {
 232             xmax = -this->movex+this->width;
 233             if(xmin >= -this->movex + this->width) continue;
 234         }
 235         if(ymax >= -this->movey + this->height) {
 236             ymax = -this->movey+this->height;
 237             if(ymin >= -this->movey + this->height) continue;
 238         }
 239
 240         if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
 241             continue;
 242
 243         int rangex = xmax-xmin;
 244         int rangey = ymax-ymin;
 245         gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
 246         img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
 247         img->width = rangex;
 248         img->height = rangey;
 249         int x,y;
 250         for(y=0;y<rangey;y++) {
 251             SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
 252             gfxcolor_t*out = &img->data[y*rangex];
 253             Guchar*ain = &alpha[(y+ymin)*width+xmin];
 254             Guchar*ain2 = &alpha2[(y+ymin)*width8];
 255             if(this->emptypage) {
 256                 for(x=0;x<rangex;x++) {
 257                     /* the first bitmap on the page doesn't need to have an alpha channel-
 258                        blend against a white background*/
 259                     out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
 260                     out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
 261                     out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
 262                     out[x].a = 255;
 263                 }
 264             } else {
 265                 for(x=0;x<rangex;x++) {
 266                     if(!(ain2[(x+xmin)/8]&(0x80>>((x+xmin)&7)))) {
 267                         /* cut away pixels that we don't remember drawing (i.e., that are
 268                            not in the monochrome bitmap). Prevents some "hairlines" showing
 269                            up to the left and right of bitmaps. */
 270                         out[x].r = 0;out[x].g = 0;out[x].b = 0;out[x].a = 0;
 271                     } else {
 272                         /* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, this
 273                            data has non-premultiplied alpha, which is exactly what the output device
 274                            expects, so don't premultiply it here, either.
 275                         */
 276                         out[x].r = in[x*3+0];
 277                         out[x].g = in[x*3+1];
 278                         out[x].b = in[x*3+2];
 279                         out[x].a = ain[x];
 280                     }
 281                 }
 282             }
 283         }
 284
 285         /* transform bitmap rectangle to "device space" */
 286         xmin += movex;
 287         ymin += movey;
 288         xmax += movex;
 289         ymax += movey;
 290
 291         gfxmatrix_t m;
 292         m.tx = xmin;
 293         m.ty = ymin;
 294         m.m00 = m.m11 = 1;
 295         m.m10 = m.m01 = 0;
 296         m.tx -= 0.5;
 297         m.ty -= 0.5;
 298
 299         gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
 300         dev->fillbitmap(dev, line, img, &m, 0);
 301         gfxline_free(line);
 302
 303         free(img->data);img->data=0;free(img);img=0;
 304     }
 305     ibbox_destroy(boxes);
 306
 307     memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
 308     memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
 309
 310     this->emptypage = 0;
 311 }
 312
 313 void BitmapOutputDev::flushText()
 314 {
 315     msg("<verbose> Flushing text");
 316
 317     static gfxfontlist_t*output_font_list = 0;
 318     static gfxdevice_t*last = 0;
 319     if(last != this->dev) {
 320         if(output_font_list)
 321             gfxfontlist_free(output_font_list, 0);
 322         output_font_list = gfxfontlist_create();
 323     }
 324     gfxdevice_record_flush(this->gfxoutput, this->dev, &output_font_list);
 325     last = this->dev;
 326
 327     this->emptypage = 0;
 328 }
 329
 330 void writeMonoBitmap(SplashBitmap*btm, char*filename)
 331 {
 332     int width8 = (btm->getWidth()+7)/8;
 333     int width = btm->getWidth();
 334     int height = btm->getHeight();
 335     gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
 336     unsigned char*data = btm->getDataPtr();
 337     int x,y;
 338     for(y=0;y<height;y++) {
 339         unsigned char*l = &data[width8*y];
 340         gfxcolor_t*d = &b[width*y];
 341         for(x=0;x<width;x++) {
 342             if(l[x>>3]&(128>>(x&7))) {
 343                 d[x].r = d[x].b = d[x].a = 255;
 344                 d[x].g = 0;
 345             } else {
 346                 d[x].r = d[x].g = d[x].b = d[x].a = 0;
 347             }
 348         }
 349     }
 350     writePNG(filename, (unsigned char*)b, width, height);
 351     free(b);
 352 }
 353
 354 void writeBitmap(SplashBitmap*bitmap, char*filename)
 355 {
 356     int y,x;
 357
 358     int width = bitmap->getWidth();
 359     int height = bitmap->getHeight();
 360
 361     gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
 362
 363     if(bitmap->getMode()==splashModeMono1) {
 364         writeMonoBitmap(bitmap, filename);
 365         return;
 366     }
 367
 368     for(y=0;y<height;y++) {
 369         gfxcolor_t*line = &data[y*width];
 370         for(x=0;x<width;x++) {
 371             Guchar c[4] = {0,0,0,0};
 372             bitmap->getPixel(x,y,c);
 373             line[x].r = c[0];
 374             line[x].g = c[1];
 375             line[x].b = c[2];
 376             line[x].a =  bitmap->getAlpha(x,y);
 377         }
 378     }
 379     writePNG(filename, (unsigned char*)data, width, height);
 380     free(data);
 381 }
 382
 383 void writeAlpha(SplashBitmap*bitmap, char*filename)
 384 {
 385     int y,x;
 386
 387     int width = bitmap->getWidth();
 388     int height = bitmap->getHeight();
 389
 390     if(bitmap->getMode()==splashModeMono1) {
 391         writeMonoBitmap(bitmap, filename);
 392         return;
 393     }
 394
 395     gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
 396
 397     for(y=0;y<height;y++) {
 398         gfxcolor_t*line = &data[y*width];
 399         for(x=0;x<width;x++) {
 400             int a = bitmap->getAlpha(x,y);
 401             line[x].r = a;
 402             line[x].g = 0;
 403             line[x].b = a;
 404             line[x].a = a;
 405         }
 406     }
 407     writePNG(filename, (unsigned char*)data, width, height);
 408     free(data);
 409 }
 410
 411 static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
 412
 413 int checkAlphaSanity(SplashBitmap*boolbtm, SplashBitmap*alphabtm)
 414 {
 415     assert(boolbtm->getWidth() == alphabtm->getWidth());
 416     assert(boolbtm->getHeight() == alphabtm->getHeight());
 417     if(boolbtm->getMode()==splashModeMono1) {
 418         return 1;
 419     }
 420
 421     int width = boolbtm->getWidth();
 422     int height = boolbtm->getHeight();
 423
 424     int bad=0;
 425     int x,y;
 426     for(y=0;y<height;y++) {
 427         for(x=0;x<width;x++) {
 428             int a1 = alphabtm->getAlpha(x,y);
 429             int a2 = boolbtm->getAlpha(x,y);
 430             if(a1!=a2) {
 431                 bad++;
 432             }
 433         }
 434     }
 435     double badness = bad/(double)(width*height);
 436     if(badness>0.2) {
 437         msg("<error> Bitmaps don't correspond: %d out of %d pixels wrong (%.2f%%)", bad, width*height,
 438                 badness*100.0);
 439         return 0;
 440     }
 441     msg("<notice> %f", badness);
 442     return 1;
 443 }
 444
 445 static inline GBool fixBBox(int*x1, int*y1, int*x2, int*y2, int width, int height)
 446 {
 447     if(!(*x1|*y1|*x2|*y2)) {
 448         // undefined bbox
 449         *x1 = *y1 = 0;
 450         *x2 = width;
 451         *y2 = height;
 452         return gTrue;
 453     }
 454     if(*x2<=*x1) return gFalse;
 455     if(*x2<0) return gFalse;
 456     if(*x1<0) *x1 = 0;
 457     if(*x1>=width) return gFalse;
 458     if(*x2>width) *x2=width;
 459
 460     if(*y2<=*y1) return gFalse;
 461     if(*y2<0) return gFalse;
 462     if(*y1<0) *y1 = 0;
 463     if(*y1>=height) return gFalse;
 464     if(*y2>height) *y2=height;
 465     return gTrue;
 466 }
 467
 468 static void update_bitmap(SplashBitmap*bitmap, SplashBitmap*update, int x1, int y1, int x2, int y2, char overwrite)
 469 {
 470     assert(bitmap->getMode()==splashModeMono1);
 471     assert(update->getMode()==splashModeMono1);
 472
 473     int width8 = (bitmap->getWidth()+7)/8;
 474     assert(width8 == bitmap->getRowSize());
 475     assert(width8 == update->getRowSize());
 476     int height = bitmap->getHeight();
 477     assert(height == update->getHeight());
 478
 479     if(!fixBBox(&x1, &y1, &x2, &y2, bitmap->getWidth(), bitmap->getHeight()))
 480         return;
 481
 482     Guchar*b = bitmap->getDataPtr() + y1*width8 + x1/8;
 483     Guchar*u = update->getDataPtr() + y1*width8 + x1/8;
 484     int yspan = y2-y1;
 485     int xspan = (x2+7)/8 - x1/8;
 486     int size = (y2-y1)*width8;
 487
 488     if(overwrite) {
 489         int y;
 490         for(y=0;y<yspan;y++) {
 491             memcpy(b, u, xspan);
 492             b += width8;
 493             u += width8;
 494         }
 495     } else {
 496         if(((ptroff_t)b&7)==((ptroff_t)u&7)) {
 497             int x,y;
 498             for(y=0;y<yspan;y++) {
 499                 Guchar*e1 = b+xspan-8;
 500                 Guchar*e2 = b+xspan;
 501                 while(((ptroff_t)b&7) && b<e1) {
 502                     *b |= *u;
 503                     b++;u++;
 504                 }
 505                 while(b<e1) {
 506                     *(long long*)b |= *(long long*)u;
 507                     b+=8;u+=8;
 508                 }
 509                 while(b<e2) {
 510                     *b |= *u;
 511                     b++;u++;
 512                 }
 513                 b += width8-xspan;
 514                 u += width8-xspan;
 515             }
 516         } else {
 517             int x,y;
 518             for(y=0;y<yspan;y++) {
 519                 for(x=0;x<xspan;x++) {
 520                     b[x] |= u[x];
 521                 }
 522                 b += width8;
 523                 u += width8;
 524             }
 525         }
 526     }
 527 }
 528
 529 static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
 530 {
 531     if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
 532         return;
 533
 534     if(btm->getMode()==splashModeMono1) {
 535         int width8 = (btm->getWidth()+7)/8;
 536         assert(width8 == btm->getRowSize());
 537         int width = btm->getWidth();
 538         int height = btm->getHeight();
 539         Guchar*data = btm->getDataPtr();
 540         memset(data+y1*width8, 0, width8*(y2-y1));
 541     } else {
 542         int width = btm->getAlphaRowSize();
 543         int height = btm->getHeight();
 544         memset(btm->getAlphaPtr(), 0, width*height);
 545     }
 546 }
 547
 548 void BitmapOutputDev::dbg_newdata(char*newdata)
 549 {
 550     if(0) {
 551         char filename1[80];
 552         char filename2[80];
 553         char filename3[80];
 554         sprintf(filename1, "state%03dboolbitmap_after%s.png", dbg_btm_counter, newdata);
 555         sprintf(filename2, "state%03dbooltext_after%s.png", dbg_btm_counter, newdata);
 556         sprintf(filename3, "state%03dbitmap_after%s.png", dbg_btm_counter, newdata);
 557         msg("<verbose> %s %s %s", filename1, filename2, filename3);
 558         writeAlpha(stalepolybitmap, filename1);
 559         writeAlpha(booltextbitmap, filename2);
 560         writeBitmap(rgbdev->getBitmap(), filename3);
 561     }
 562     dbg_btm_counter++;
 563 }
 564
 565 GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
 566 {
 567     /* called once some new text was drawn on booltextdev, and
 568        before the same thing is drawn on gfxdev */
 569
 570     msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
 571
 572     GBool ret = false;
 573     if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
 574         if(layerstate==STATE_PARALLEL) {
 575             /* the new text is above the bitmap. So record that fact. */
 576             msg("<verbose> Text is above current bitmap/polygon data");
 577             layerstate=STATE_TEXT_IS_ABOVE;
 578             update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
 579         } else if(layerstate==STATE_BITMAP_IS_ABOVE) {
 580             /* there's a bitmap above the (old) text. So we need
 581                to flush out that text, and record that the *new*
 582                text is now *above* the bitmap
 583              */
 584             msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
 585             flushText();
 586             layerstate=STATE_TEXT_IS_ABOVE;
 587
 588             clearBoolTextDev();
 589             /* re-apply the update (which we would otherwise lose) */
 590             update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
 591             ret = true;
 592         } else {
 593             /* we already know that the current text section is
 594                above the current bitmap section- now just new
 595                bitmap data *and* new text data was drawn, and
 596                *again* it's above the current bitmap. */
 597             msg("<verbose> Text is still above current bitmap/polygon data");
 598             update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
 599         }
 600     }  else {
 601         update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
 602     }
 603
 604     /* clear the thing we just drew from our temporary drawing bitmap */
 605     clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
 606
 607     return ret;
 608 }
 609 GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
 610 {
 611     /* similar to checkNewText() above, only in reverse */
 612     msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
 613
 614     GBool ret = false;
 615     if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
 616         if(layerstate==STATE_PARALLEL) {
 617             msg("<verbose> Bitmap is above current text data");
 618             layerstate=STATE_BITMAP_IS_ABOVE;
 619             update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
 620         } else if(layerstate==STATE_TEXT_IS_ABOVE) {
 621             msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
 622             flushBitmap();
 623             layerstate=STATE_BITMAP_IS_ABOVE;
 624             clearBoolPolyDev();
 625             update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
 626             ret = true;
 627         } else {
 628             msg("<verbose> Bitmap is still above current text data");
 629             update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
 630         }
 631     }  else {
 632         update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
 633     }
 634
 635     /* clear the thing we just drew from our temporary drawing bitmap */
 636     clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
 637
 638     return ret;
 639 }
 640
 641 //void checkNewText() {
 642 //    Guchar*alpha = rgbbitmap->getAlphaPtr();
 643 //    Guchar*charpixels = clip1bitmap->getDataPtr();
 644 //    int xx,yy;
 645 //    for(yy=0;yy<height;yy++) {
 646 //        Guchar*aline = &alpha[yy*width];
 647 //        Guchar*cline = &charpixels[yy*width8];
 648 //        for(xx=0;xx<width;xx++) {
 649 //            int bit = xx&7;
 650 //            int bytepos = xx>>3;
 651 //            /* TODO: is the bit order correct? */
 652 //            if(aline[xx] && (cline[bytepos]&(1<<bit)))
 653 //              break;
 654 //        }
 655 //        if(xx!=width)
 656 //            break;
 657 //}
 658
 659 GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
 660 {
 661     if(clip0bitmap->getMode()==splashModeMono1) {
 662         int width = clip0bitmap->getWidth();
 663         int width8 = (width+7)/8;
 664         int height = clip0bitmap->getHeight();
 665
 666         if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
 667             /* area is outside or null */
 668             return gFalse;
 669         }
 670
 671         SplashBitmap*clip0 = clip0bitmap;
 672         SplashBitmap*clip1 = clip1bitmap;
 673         int x18 = x1/8;
 674         int x28 = (x2+7)/8;
 675         int y;
 676
 677         for(y=y1;y<y2;y++) {
 678             unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
 679             unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
 680             if(memcmp(row1, row2, x28-x18)) {
 681                 return gTrue;
 682             }
 683         }
 684         return gFalse;
 685     } else {
 686         SplashBitmap*clip0 = clip0bitmap;
 687         SplashBitmap*clip1 = clip1bitmap;
 688         int width = clip0->getAlphaRowSize();
 689         int height = clip0->getHeight();
 690
 691         if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
 692             x1=y1=0;x2=y2=1;
 693         }
 694
 695         Guchar*a0 = clip0->getAlphaPtr();
 696         Guchar*a1 = clip1->getAlphaPtr();
 697         int x,y;
 698         char differs=0;
 699         for(y=y1;y<y2;y++) {
 700             for(x=x1;x<x2;x++) {
 701                 if(a0[y*width+x]!=a1[y*width+x]) {
 702                     differs=1;
 703                     break;
 704                 }
 705             }
 706             if(differs)
 707                 break;
 708         }
 709         char differs2 = memcmp(a0, a1, width*height);
 710         if(differs && !differs2)
 711             msg("<warning> Strange internal error (2)");
 712         else if(!differs && differs2) {
 713             msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
 714             msg("<warning> %d %d %d %d", x1, y1, x2, y2);
 715         }
 716         return differs2;
 717     }
 718 }
 719
 720 GBool compare8(unsigned char*data1, unsigned char*data2, int len)
 721 {
 722     if(!len)
 723         return 0;
 724     if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
 725         // oh good, we can align both to 8 byte
 726         while((ptroff_t)data1&7) {
 727             if(*data1&*data2)
 728                 return 1;
 729             data1++;
 730             data2++;
 731             if(!--len)
 732                 return 0;
 733         }
 734     }
 735     /* use 64 bit for the (hopefully aligned) middle section */
 736     int l8 = len/8;
 737     long long unsigned int*d1 = (long long unsigned int*)data1;
 738     long long unsigned int*d2 = (long long unsigned int*)data2;
 739     long long unsigned int x = 0;
 740     int t;
 741     for(t=0;t<l8;t++) {
 742         x |= d1[t]&d2[t];
 743     }
 744     if(x)
 745         return 1;
 746
 747     data1+=l8*8;
 748     data2+=l8*8;
 749     len -= l8*8;
 750     for(t=0;t<len;t++) {
 751         if(data1[t]&data2[t]) {
 752             return 1;
 753         }
 754     }
 755     return 0;
 756 }
 757
 758 GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
 759 {
 760     if(boolpoly->getMode()==splashModeMono1) {
 761         /* alternative implementation, using one bit per pixel-
 762            needs the no-dither patch in xpdf */
 763
 764         int width = boolpoly->getWidth();
 765         int height = boolpoly->getHeight();
 766
 767         if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
 768             return gFalse;
 769         }
 770
 771         Guchar*polypixels = boolpoly->getDataPtr();
 772         Guchar*textpixels = booltext->getDataPtr();
 773
 774         int width8 = (width+7)/8;
 775         int runx = width8;
 776         int runy = height;
 777
 778         if(x1|y1|x2|y2) {
 779             polypixels+=y1*width8+x1/8;
 780             textpixels+=y1*width8+x1/8;
 781             runx=(x2+7)/8 - x1/8;
 782             runy=y2-y1;
 783         }
 784
 785         int t;
 786         unsigned char c=0;
 787
 788         /*assert(sizeof(unsigned long long int)==8);
 789         if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
 790             //msg("<warning> Non-optimal alignment");
 791         }*/
 792
 793         int x,y;
 794         unsigned char*data1 = (unsigned char*)polypixels;
 795         unsigned char*data2 = (unsigned char*)textpixels;
 796         msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
 797         for(y=0;y<runy;y++) {
 798             if(compare8(data1,data2,runx))
 799                 return gTrue;
 800             data1+=width8;
 801             data2+=width8;
 802         }
 803         return gFalse;
 804     } else {
 805         int width = boolpoly->getAlphaRowSize();
 806         int height = boolpoly->getHeight();
 807
 808         if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
 809             x1=y1=0;x2=y2=1;
 810         }
 811         Guchar*polypixels = boolpoly->getAlphaPtr();
 812         Guchar*textpixels = booltext->getAlphaPtr();
 813
 814         int x,y;
 815         char overlap1 = 0;
 816         char overlap2 = 0;
 817         for(x=x1;x<x2;x++) {
 818             for(y=y1;y<y2;y++) {
 819                 if(polypixels[width*y+x]&&textpixels[width*y+x])
 820                     overlap1 = 1;
 821             }
 822         }
 823         int ax1=0,ay1=0,ax2=0,ay2=0;
 824         for(y=0;y<height;y++) {
 825             for(x=0;x<width;x++) {
 826                 if(polypixels[width*y+x]&&textpixels[width*y+x]) {
 827                     overlap2 = 1;
 828                     if(!(ax1|ay1|ax2|ay2)) {
 829                         ax1 = ax2 = x;
 830                         ay1 = ay2 = y;
 831                     } else {
 832                         ax1 = ax1<x?ax1:x;
 833                         ay1 = ay1<y?ay1:y;
 834                         ax2 = ax2>x?ax2:x;
 835                         ay2 = ay2>y?ay2:y;
 836                     }
 837                 }
 838             }
 839         }
 840         if(overlap1 && !overlap2)
 841             msg("<warning> strange internal error");
 842         if(!overlap1 && overlap2) {
 843             msg("<warning> Bad bounding box: intersection outside bbox");
 844             msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
 845             msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
 846         }
 847         return overlap2;
 848     }
 849 }
 850
 851
 852 void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
 853 {
 854     double x1,y1,x2,y2;
 855     state->transform(crop_x1,crop_y1,&x1,&y1);
 856     state->transform(crop_x2,crop_y2,&x2,&y2);
 857     if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
 858     if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
 859
 860     this->movex = -(int)x1 - user_movex;
 861     this->movey = -(int)y1 - user_movey;
 862
 863     if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
 864         x1 = user_clipx1;
 865         x2 = user_clipx2;
 866         y1 = user_clipy1;
 867         y2 = user_clipy2;
 868     }
 869     this->width = (int)(x2-x1);
 870     this->height = (int)(y2-y1);
 871
 872     rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 873     boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 874     booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 875     clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 876     clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 877     gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
 878
 879     boolpolybitmap = boolpolydev->getBitmap();
 880     stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
 881     assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
 882
 883     booltextbitmap = booltextdev->getBitmap();
 884     staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
 885     assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
 886
 887     msg("<debug> startPage %dx%d (%dx%d)", this->width, this->height, booltextbitmap->getWidth(), booltextbitmap->getHeight());
 888
 889     clip0bitmap = clip0dev->getBitmap();
 890     clip1bitmap = clip1dev->getBitmap();
 891     rgbbitmap = rgbdev->getBitmap();
 892
 893     flushText(); // write out the initial clipping rectangle
 894
 895     /* just in case any device did draw a white background rectangle
 896        into the device */
 897     clearBoolTextDev();
 898     clearBoolPolyDev();
 899
 900     this->layerstate = STATE_PARALLEL;
 901     this->emptypage = 1;
 902     msg("<debug> startPage done");
 903 }
 904
 905 void BitmapOutputDev::endPage()
 906 {
 907     msg("<verbose> endPage (BitmapOutputDev)");
 908
 909     /* notice: we're not fully done yet with this page- there might still be
 910        a few calls to drawLink() yet to come */
 911 }
 912 void BitmapOutputDev::finishPage()
 913 {
 914     msg("<verbose> finishPage (BitmapOutputDev)");
 915     gfxdev->endPage();
 916
 917     flushEverything();
 918
 919     /* splash will now destroy alpha, and paint the
 920        background color into the "holes" in the bitmap */
 921     boolpolydev->endPage();
 922     booltextdev->endPage();
 923     rgbdev->endPage();
 924     clip0dev->endPage();
 925     clip1dev->endPage();
 926 }
 927
 928 GBool BitmapOutputDev::upsideDown()
 929 {
 930     boolpolydev->upsideDown();
 931     booltextdev->upsideDown();
 932     clip0dev->upsideDown();
 933     clip1dev->upsideDown();
 934     return rgbdev->upsideDown();
 935 }
 936
 937 GBool BitmapOutputDev::useDrawChar()
 938 {
 939     boolpolydev->useDrawChar();
 940     booltextdev->useDrawChar();
 941     clip0dev->useDrawChar();
 942     clip1dev->useDrawChar();
 943     return rgbdev->useDrawChar();
 944 }
 945
 946 GBool BitmapOutputDev::useTilingPatternFill()
 947 {
 948     boolpolydev->useTilingPatternFill();
 949     booltextdev->useTilingPatternFill();
 950     clip0dev->useTilingPatternFill();
 951     clip1dev->useTilingPatternFill();
 952     return rgbdev->useTilingPatternFill();
 953 }
 954
 955 GBool BitmapOutputDev::useShadedFills()
 956 {
 957     boolpolydev->useShadedFills();
 958     booltextdev->useShadedFills();
 959     clip0dev->useShadedFills();
 960     clip1dev->useShadedFills();
 961     return rgbdev->useShadedFills();
 962 }
 963
 964 GBool BitmapOutputDev::useDrawForm()
 965 {
 966     boolpolydev->useDrawForm();
 967     booltextdev->useDrawForm();
 968     clip0dev->useDrawForm();
 969     clip1dev->useDrawForm();
 970     return rgbdev->useDrawForm();
 971 }
 972
 973 GBool BitmapOutputDev::interpretType3Chars()
 974 {
 975     boolpolydev->interpretType3Chars();
 976     booltextdev->interpretType3Chars();
 977     clip0dev->interpretType3Chars();
 978     clip1dev->interpretType3Chars();
 979     return rgbdev->interpretType3Chars();
 980 }
 981
 982 GBool BitmapOutputDev::needNonText()
 983 {
 984     boolpolydev->needNonText();
 985     booltextdev->needNonText();
 986     clip0dev->needNonText();
 987     clip1dev->needNonText();
 988     return rgbdev->needNonText();
 989 }
 990 /*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
 991                            int rotate, GBool useMediaBox, GBool crop,
 992                            int sliceX, int sliceY, int sliceW, int sliceH,
 993                            GBool printing, Catalog *catalog,
 994                            GBool (*abortCheckCbk)(void *data),
 995                            void *abortCheckCbkData)
 996 {
 997     return gTrue;
 998 }*/
 999 void BitmapOutputDev::setDefaultCTM(double *ctm)
1000 {
1001     boolpolydev->setDefaultCTM(ctm);
1002     booltextdev->setDefaultCTM(ctm);
1003     rgbdev->setDefaultCTM(ctm);
1004     clip0dev->setDefaultCTM(ctm);
1005     clip1dev->setDefaultCTM(ctm);
1006     gfxdev->setDefaultCTM(ctm);
1007 }
1008 void BitmapOutputDev::saveState(GfxState *state)
1009 {
1010     boolpolydev->saveState(state);
1011     booltextdev->saveState(state);
1012     rgbdev->saveState(state);
1013     clip0dev->saveState(state);
1014     clip1dev->saveState(state);
1015
1016     /*ClipState*cstate = new ClipState();
1017     cstate->next = this->clipstates;
1018     this->clipstates = cstate;*/
1019 }
1020 void BitmapOutputDev::restoreState(GfxState *state)
1021 {
1022     boolpolydev->restoreState(state);
1023     booltextdev->restoreState(state);
1024     rgbdev->restoreState(state);
1025     clip0dev->restoreState(state);
1026     clip1dev->restoreState(state);
1027
1028     /*if(this->clipstates) {
1029         ClipState*old = this->clipstates;
1030         if(old->written) {
1031             gfxdev->restoreState(state);
1032         }
1033         this->clipstates = this->clipstates->next;
1034         delete(old);
1035     } else {
1036         msg("<error> invalid restoreState()");
1037     }*/
1038 }
1039 void BitmapOutputDev::updateAll(GfxState *state)
1040 {
1041     boolpolydev->updateAll(state);
1042     booltextdev->updateAll(state);
1043     rgbdev->updateAll(state);
1044     clip0dev->updateAll(state);
1045     clip1dev->updateAll(state);
1046     gfxdev->updateAll(state);
1047 }
1048 void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
1049 {
1050     boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1051     booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1052     rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1053     clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1054     clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1055     gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
1056 }
1057 void BitmapOutputDev::updateLineDash(GfxState *state)
1058 {
1059     boolpolydev->updateLineDash(state);
1060     booltextdev->updateLineDash(state);
1061     rgbdev->updateLineDash(state);
1062     clip0dev->updateLineDash(state);
1063     clip1dev->updateLineDash(state);
1064     gfxdev->updateLineDash(state);
1065 }
1066 void BitmapOutputDev::updateFlatness(GfxState *state)
1067 {
1068     boolpolydev->updateFlatness(state);
1069     booltextdev->updateFlatness(state);
1070     rgbdev->updateFlatness(state);
1071     clip0dev->updateFlatness(state);
1072     clip1dev->updateFlatness(state);
1073     gfxdev->updateFlatness(state);
1074 }
1075 void BitmapOutputDev::updateLineJoin(GfxState *state)
1076 {
1077     boolpolydev->updateLineJoin(state);
1078     booltextdev->updateLineJoin(state);
1079     rgbdev->updateLineJoin(state);
1080     clip0dev->updateLineJoin(state);
1081     clip1dev->updateLineJoin(state);
1082     gfxdev->updateLineJoin(state);
1083 }
1084 void BitmapOutputDev::updateLineCap(GfxState *state)
1085 {
1086     boolpolydev->updateLineCap(state);
1087     booltextdev->updateLineCap(state);
1088     rgbdev->updateLineCap(state);
1089     clip0dev->updateLineCap(state);
1090     clip1dev->updateLineCap(state);
1091     gfxdev->updateLineCap(state);
1092 }
1093 void BitmapOutputDev::updateMiterLimit(GfxState *state)
1094 {
1095     boolpolydev->updateMiterLimit(state);
1096     booltextdev->updateMiterLimit(state);
1097     rgbdev->updateMiterLimit(state);
1098     clip0dev->updateMiterLimit(state);
1099     clip1dev->updateMiterLimit(state);
1100     gfxdev->updateMiterLimit(state);
1101 }
1102 void BitmapOutputDev::updateLineWidth(GfxState *state)
1103 {
1104     boolpolydev->updateLineWidth(state);
1105     booltextdev->updateLineWidth(state);
1106     rgbdev->updateLineWidth(state);
1107     clip0dev->updateLineWidth(state);
1108     clip1dev->updateLineWidth(state);
1109     gfxdev->updateLineWidth(state);
1110 }
1111 void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
1112 {
1113     boolpolydev->updateStrokeAdjust(state);
1114     booltextdev->updateStrokeAdjust(state);
1115     rgbdev->updateStrokeAdjust(state);
1116     clip0dev->updateStrokeAdjust(state);
1117     clip1dev->updateStrokeAdjust(state);
1118     gfxdev->updateStrokeAdjust(state);
1119 }
1120 void BitmapOutputDev::updateFillColorSpace(GfxState *state)
1121 {
1122     boolpolydev->updateFillColorSpace(state);
1123     booltextdev->updateFillColorSpace(state);
1124     rgbdev->updateFillColorSpace(state);
1125     clip0dev->updateFillColorSpace(state);
1126     clip1dev->updateFillColorSpace(state);
1127     gfxdev->updateFillColorSpace(state);
1128 }
1129 void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
1130 {
1131     boolpolydev->updateStrokeColorSpace(state);
1132     booltextdev->updateStrokeColorSpace(state);
1133     rgbdev->updateStrokeColorSpace(state);
1134     clip0dev->updateStrokeColorSpace(state);
1135     clip1dev->updateStrokeColorSpace(state);
1136     gfxdev->updateStrokeColorSpace(state);
1137 }
1138 void BitmapOutputDev::updateFillColor(GfxState *state)
1139 {
1140     boolpolydev->updateFillColor(state);
1141     booltextdev->updateFillColor(state);
1142     rgbdev->updateFillColor(state);
1143     clip0dev->updateFillColor(state);
1144     clip1dev->updateFillColor(state);
1145     gfxdev->updateFillColor(state);
1146 }
1147 void BitmapOutputDev::updateStrokeColor(GfxState *state)
1148 {
1149     boolpolydev->updateStrokeColor(state);
1150     booltextdev->updateStrokeColor(state);
1151     rgbdev->updateStrokeColor(state);
1152     clip0dev->updateStrokeColor(state);
1153     clip1dev->updateStrokeColor(state);
1154     gfxdev->updateStrokeColor(state);
1155 }
1156 void BitmapOutputDev::updateBlendMode(GfxState *state)
1157 {
1158     boolpolydev->updateBlendMode(state);
1159     booltextdev->updateBlendMode(state);
1160     rgbdev->updateBlendMode(state);
1161     clip0dev->updateBlendMode(state);
1162     clip1dev->updateBlendMode(state);
1163     gfxdev->updateBlendMode(state);
1164 }
1165 void BitmapOutputDev::updateFillOpacity(GfxState *state)
1166 {
1167     boolpolydev->updateFillOpacity(state);
1168     booltextdev->updateFillOpacity(state);
1169     rgbdev->updateFillOpacity(state);
1170     clip0dev->updateFillOpacity(state);
1171     clip1dev->updateFillOpacity(state);
1172     gfxdev->updateFillOpacity(state);
1173 }
1174 void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
1175 {
1176     boolpolydev->updateStrokeOpacity(state);
1177     booltextdev->updateStrokeOpacity(state);
1178     rgbdev->updateStrokeOpacity(state);
1179     clip0dev->updateStrokeOpacity(state);
1180     clip1dev->updateStrokeOpacity(state);
1181     gfxdev->updateStrokeOpacity(state);
1182 }
1183 void BitmapOutputDev::updateFillOverprint(GfxState *state)
1184 {
1185     boolpolydev->updateFillOverprint(state);
1186     booltextdev->updateFillOverprint(state);
1187     rgbdev->updateFillOverprint(state);
1188     clip0dev->updateFillOverprint(state);
1189     clip1dev->updateFillOverprint(state);
1190     gfxdev->updateFillOverprint(state);
1191 }
1192 void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
1193 {
1194     boolpolydev->updateStrokeOverprint(state);
1195     booltextdev->updateStrokeOverprint(state);
1196     rgbdev->updateStrokeOverprint(state);
1197     clip0dev->updateStrokeOverprint(state);
1198     clip1dev->updateStrokeOverprint(state);
1199     gfxdev->updateStrokeOverprint(state);
1200 }
1201 void BitmapOutputDev::updateTransfer(GfxState *state)
1202 {
1203     boolpolydev->updateTransfer(state);
1204     booltextdev->updateTransfer(state);
1205     rgbdev->updateTransfer(state);
1206     clip0dev->updateTransfer(state);
1207     clip1dev->updateTransfer(state);
1208     gfxdev->updateTransfer(state);
1209 }
1210
1211 void BitmapOutputDev::updateFont(GfxState *state)
1212 {
1213     boolpolydev->updateFont(state);
1214     booltextdev->updateFont(state);
1215     rgbdev->updateFont(state);
1216     clip0dev->updateFont(state);
1217     clip1dev->updateFont(state);
1218     gfxdev->updateFont(state);
1219 }
1220 void BitmapOutputDev::updateTextMat(GfxState *state)
1221 {
1222     boolpolydev->updateTextMat(state);
1223     booltextdev->updateTextMat(state);
1224     rgbdev->updateTextMat(state);
1225     clip0dev->updateTextMat(state);
1226     clip1dev->updateTextMat(state);
1227     gfxdev->updateTextMat(state);
1228 }
1229 void BitmapOutputDev::updateCharSpace(GfxState *state)
1230 {
1231     boolpolydev->updateCharSpace(state);
1232     booltextdev->updateCharSpace(state);
1233     rgbdev->updateCharSpace(state);
1234     clip0dev->updateCharSpace(state);
1235     clip1dev->updateCharSpace(state);
1236     gfxdev->updateCharSpace(state);
1237 }
1238 void BitmapOutputDev::updateRender(GfxState *state)
1239 {
1240     boolpolydev->updateRender(state);
1241     booltextdev->updateRender(state);
1242     rgbdev->updateRender(state);
1243     clip0dev->updateRender(state);
1244     clip1dev->updateRender(state);
1245     gfxdev->updateRender(state);
1246 }
1247 void BitmapOutputDev::updateRise(GfxState *state)
1248 {
1249     boolpolydev->updateRise(state);
1250     booltextdev->updateRise(state);
1251     rgbdev->updateRise(state);
1252     clip0dev->updateRise(state);
1253     clip1dev->updateRise(state);
1254     gfxdev->updateRise(state);
1255 }
1256 void BitmapOutputDev::updateWordSpace(GfxState *state)
1257 {
1258     boolpolydev->updateWordSpace(state);
1259     booltextdev->updateWordSpace(state);
1260     rgbdev->updateWordSpace(state);
1261     clip0dev->updateWordSpace(state);
1262     clip1dev->updateWordSpace(state);
1263     gfxdev->updateWordSpace(state);
1264 }
1265 void BitmapOutputDev::updateHorizScaling(GfxState *state)
1266 {
1267     boolpolydev->updateHorizScaling(state);
1268     booltextdev->updateHorizScaling(state);
1269     rgbdev->updateHorizScaling(state);
1270     clip0dev->updateHorizScaling(state);
1271     clip1dev->updateHorizScaling(state);
1272     gfxdev->updateHorizScaling(state);
1273 }
1274 void BitmapOutputDev::updateTextPos(GfxState *state)
1275 {
1276     boolpolydev->updateTextPos(state);
1277     booltextdev->updateTextPos(state);
1278     rgbdev->updateTextPos(state);
1279     clip0dev->updateTextPos(state);
1280     clip1dev->updateTextPos(state);
1281     gfxdev->updateTextPos(state);
1282 }
1283 void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
1284 {
1285     boolpolydev->updateTextShift(state, shift);
1286     booltextdev->updateTextShift(state, shift);
1287     rgbdev->updateTextShift(state, shift);
1288     clip0dev->updateTextShift(state, shift);
1289     clip1dev->updateTextShift(state, shift);
1290     gfxdev->updateTextShift(state, shift);
1291 }
1292
1293 double max(double x, double y)
1294 {
1295     return x>y?x:y;
1296 }
1297 double min(double x, double y)
1298 {
1299     return x<y?x:y;
1300 }
1301
1302 gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
1303 {
1304     GfxPath * path = state->getPath();
1305     int num = path->getNumSubpaths();
1306     gfxbbox_t bbox = {0,0,1,1};
1307     char valid=0;
1308     int t;
1309     for(t = 0; t < num; t++) {
1310         GfxSubpath *subpath = path->getSubpath(t);
1311         int subnum = subpath->getNumPoints();
1312         int s;
1313         for(s=0;s<subnum;s++) {
1314            double x,y;
1315            state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
1316            if(!valid) {
1317                bbox.xmin = x; bbox.ymin = y;
1318                bbox.xmax = x; bbox.ymax = y;
1319                valid = 1;
1320            } else {
1321                bbox.xmin = min(bbox.xmin, x);
1322                bbox.ymin = min(bbox.ymin, y);
1323                bbox.xmax = max(bbox.xmax, x);
1324                bbox.ymax = max(bbox.ymax, y);
1325            }
1326         }
1327     }
1328     return bbox;
1329 }
1330
1331 void BitmapOutputDev::stroke(GfxState *state)
1332 {
1333     msg("<debug> stroke");
1334     boolpolydev->stroke(state);
1335     gfxbbox_t bbox = getBBox(state);
1336     double width = state->getTransformedLineWidth();
1337     bbox.xmin -= width; bbox.ymin -= width;
1338     bbox.xmax += width; bbox.ymax += width;
1339     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1340     rgbdev->stroke(state);
1341     dbg_newdata("stroke");
1342 }
1343
1344 extern gfxcolor_t getFillColor(GfxState * state);
1345
1346 char area_is_plain_colored(GfxState*state, SplashBitmap*boolpoly, SplashBitmap*rgbbitmap, int x1, int y1, int x2, int y2)
1347 {
1348     int width = boolpoly->getWidth();
1349     int height = boolpoly->getHeight();
1350     if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
1351         return 0;
1352     }
1353     gfxcolor_t color = getFillColor(state);
1354     SplashColorPtr rgb = rgbbitmap->getDataPtr()
1355                        + (y1*width+x1)*sizeof(SplashColor);
1356     int width8 = (width+7)/8;
1357     unsigned char*bits = (unsigned char*)boolpoly->getDataPtr()
1358                          + (y1*width8+x1);
1359     int x,y;
1360     int w = x2-x1;
1361     int h = y2-y1;
1362     for(y=0;y<h;y++) {
1363         for(x=0;x<w;x++) {
1364             if(rgb[x*3+0] != color.r ||
1365                rgb[x*3+1] != color.g ||
1366                rgb[x*3+2] != color.b)
1367                 return 0;
1368         }
1369         rgb += width*sizeof(SplashColor);
1370     }
1371     return 1;
1372 }
1373
1374 void BitmapOutputDev::fill(GfxState *state)
1375 {
1376     msg("<debug> fill");
1377     boolpolydev->fill(state);
1378     gfxbbox_t bbox = getBBox(state);
1379     if(config_optimizeplaincolorfills) {
1380         if(area_is_plain_colored(state, boolpolybitmap, rgbbitmap, bbox.xmin, bbox.ymin, bbox.xmax, bbox.ymax)) {
1381             return;
1382         }
1383     }
1384     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1385     rgbdev->fill(state);
1386     dbg_newdata("fill");
1387 }
1388 void BitmapOutputDev::eoFill(GfxState *state)
1389 {
1390     msg("<debug> eoFill");
1391     boolpolydev->eoFill(state);
1392     gfxbbox_t bbox = getBBox(state);
1393     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1394     rgbdev->eoFill(state);
1395     dbg_newdata("eofill");
1396 }
1397 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1398 void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
1399                                int paintType, Dict *resDict,
1400                                double *mat, double *bbox,
1401                                int x0, int y0, int x1, int y1,
1402                                double xStep, double yStep)
1403 {
1404     msg("<debug> tilingPatternFill");
1405     boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1406     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1407     rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1408     dbg_newdata("tilingpatternfill");
1409 }
1410 #else
1411 void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
1412                                int paintType, Dict *resDict,
1413                                double *mat, double *bbox,
1414                                int x0, int y0, int x1, int y1,
1415                                double xStep, double yStep)
1416 {
1417     msg("<debug> tilingPatternFill");
1418     boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1419     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1420     rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
1421     dbg_newdata("tilingpatternfill");
1422 }
1423 #endif
1424
1425 GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
1426 {
1427     msg("<debug> functionShadedFill");
1428     boolpolydev->functionShadedFill(state, shading);
1429     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1430     return rgbdev->functionShadedFill(state, shading);
1431 }
1432 GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
1433 {
1434     msg("<debug> axialShadedFill");
1435     boolpolydev->axialShadedFill(state, shading);
1436     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1437     return rgbdev->axialShadedFill(state, shading);
1438 }
1439 GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
1440 {
1441     msg("<debug> radialShadedFill");
1442     boolpolydev->radialShadedFill(state, shading);
1443     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1444     return rgbdev->radialShadedFill(state, shading);
1445 }
1446
1447 SplashColor black = {0,0,0};
1448 SplashColor white = {255,255,255};
1449
1450 void BitmapOutputDev::clip(GfxState *state)
1451 {
1452     msg("<debug> clip");
1453     boolpolydev->clip(state);
1454     booltextdev->clip(state);
1455     rgbdev->clip(state);
1456     clip1dev->clip(state);
1457 }
1458 void BitmapOutputDev::eoClip(GfxState *state)
1459 {
1460     msg("<debug> eoClip");
1461     boolpolydev->eoClip(state);
1462     booltextdev->eoClip(state);
1463     rgbdev->eoClip(state);
1464     clip1dev->eoClip(state);
1465 }
1466 void BitmapOutputDev::clipToStrokePath(GfxState *state)
1467 {
1468     msg("<debug> clipToStrokePath");
1469     boolpolydev->clipToStrokePath(state);
1470     booltextdev->clipToStrokePath(state);
1471     rgbdev->clipToStrokePath(state);
1472     clip1dev->clipToStrokePath(state);
1473 }
1474
1475 void BitmapOutputDev::beginStringOp(GfxState *state)
1476 {
1477     msg("<debug> beginStringOp");
1478     clip0dev->beginStringOp(state);
1479     clip1dev->beginStringOp(state);
1480     booltextdev->beginStringOp(state);
1481     gfxdev->beginStringOp(state);
1482 }
1483 void BitmapOutputDev::beginString(GfxState *state, GString *s)
1484 {
1485     msg("<debug> beginString");
1486     clip0dev->beginString(state, s);
1487     clip1dev->beginString(state, s);
1488     booltextdev->beginString(state, s);
1489     gfxdev->beginString(state, s);
1490 }
1491
1492 void BitmapOutputDev::clearClips()
1493 {
1494     clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
1495     clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
1496 }
1497 void BitmapOutputDev::clearBoolPolyDev()
1498 {
1499     clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
1500 }
1501 void BitmapOutputDev::clearBoolTextDev()
1502 {
1503     clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
1504 }
1505 void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
1506                       double dx, double dy,
1507                       double originX, double originY,
1508                       CharCode code, int nBytes, Unicode *u, int uLen)
1509 {
1510     msg("<debug> drawChar render=%d", state->getRender());
1511
1512     if(state->getRender()&RENDER_CLIP) {
1513         //char is just a clipping boundary
1514         rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1515         boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1516         booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1517         clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1518     } else if(state->getRender()&RENDER_STROKE) {
1519         // we're drawing as stroke
1520         boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1521         rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1522     } else if(rgbbitmap != rgbdev->getBitmap()) {
1523         // we're doing softmasking or transparency grouping
1524         boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1525         rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1526     } else {
1527         // we're drawing a regular char
1528         clearClips();
1529         clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1530         clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1531
1532         /* calculate the bbox of this character */
1533         int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
1534         SplashFont*font = clip0dev->getCurrentFont();
1535         SplashPath*path = font?font->getGlyphPath(code):NULL;
1536         x-=originX;
1537         y-=originY;
1538         if(path) {
1539             path->offset((SplashCoord)x, (SplashCoord)y);
1540             int t;
1541             for(t=0;t<path->getLength();t++) {
1542                 double xx,yy;
1543                 Guchar f;
1544                 path->getPoint(t,&xx,&yy,&f);
1545                 state->transform(xx,yy,&xx,&yy);
1546                 if(xx<x1) x1=(int)xx;
1547                 if(yy<y1) y1=(int)yy;
1548                 if(xx>=x2) x2=(int)xx+1;
1549                 if(yy>=y2) y2=(int)yy+1;
1550             }
1551             delete(path);path=0;
1552         }
1553
1554         /* if this character is affected somehow by the various clippings (i.e., it looks
1555            different on a device without clipping), then draw it on the bitmap, not as
1556            text */
1557         if(clip0and1differ(x1,y1,x2,y2)) {
1558             msg("<verbose> Char %d is affected by clipping", code);
1559             boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1560             checkNewBitmap(x1,y1,x2,y2);
1561             rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1562             if(config_extrafontdata) {
1563                 int oldrender = state->getRender();
1564                 state->setRender(3); //invisible
1565                 gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1566                 state->setRender(oldrender);
1567             }
1568         } else {
1569
1570             /* this char is not at all affected by clipping.
1571                Now just dump out the bitmap we're currently working on, if necessary. */
1572             booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1573             checkNewText(x1,y1,x2,y2);
1574             /* use polygonal output device to do the actual text handling */
1575             gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
1576         }
1577     }
1578     dbg_newdata("text");
1579 }
1580 void BitmapOutputDev::drawString(GfxState *state, GString *s)
1581 {
1582     msg("<error> internal error: drawString not implemented");
1583     return;
1584 }
1585 void BitmapOutputDev::endTextObject(GfxState *state)
1586 {
1587     msg("<debug> endTextObject");
1588     rgbdev->endTextObject(state);
1589     clip0dev->endTextObject(state);
1590     clip1dev->endTextObject(state);
1591     booltextdev->endTextObject(state);
1592     /* the only thing "drawn" here is clipping */
1593     //checkNewText(UNKNOWN_BOUNDING_BOX);
1594     gfxdev->endTextObject(state);
1595     dbg_newdata("endtextobject");
1596 }
1597 void BitmapOutputDev::endString(GfxState *state)
1598 {
1599     msg("<debug> endString");
1600     clip0dev->endString(state);
1601     clip1dev->endString(state);
1602     booltextdev->endString(state);
1603     int render = state->getRender();
1604     if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
1605         /* xpdf draws things like stroke text or fill+stroke text in the
1606            endString() method */
1607         checkNewText(UNKNOWN_BOUNDING_BOX);
1608     }
1609     gfxdev->endString(state);
1610     dbg_newdata("endstring");
1611 }
1612 void BitmapOutputDev::endStringOp(GfxState *state)
1613 {
1614     msg("<debug> endStringOp");
1615     clip0dev->endStringOp(state);
1616     clip1dev->endStringOp(state);
1617     booltextdev->endStringOp(state);
1618     gfxdev->endStringOp(state);
1619     dbg_newdata("endstringop");
1620 }
1621
1622 /* TODO: these four operations below *should* do nothing, as type3
1623          chars are drawn using operations like fill() */
1624 GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
1625                              double dx, double dy,
1626                              CharCode code, Unicode *u, int uLen)
1627 {
1628     msg("<debug> beginType3Char");
1629     /* call gfxdev so that it can generate "invisible" characters
1630        on top of the actual graphic content, for text extraction */
1631     return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
1632 }
1633 void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
1634 {
1635     msg("<debug> type3D0");
1636     return gfxdev->type3D0(state, wx, wy);
1637 }
1638 void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
1639 {
1640     msg("<debug> type3D1");
1641     return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
1642 }
1643 void BitmapOutputDev::endType3Char(GfxState *state)
1644 {
1645     msg("<debug> endType3Char");
1646     gfxdev->endType3Char(state);
1647 }
1648
1649 class CopyStream: public Object
1650 {
1651     Dict*dict;
1652     char*buf;
1653     MemStream*memstream;
1654     public:
1655     CopyStream(Stream*str, int len)
1656     {
1657         buf = 0;
1658         str->reset();
1659         if(len) {
1660             buf = (char*)malloc(len);
1661             int t;
1662             for (t=0; t<len; t++)
1663               buf[t] = str->getChar();
1664         }
1665         str->close();
1666         this->dict = str->getDict();
1667         this->memstream = new MemStream(buf, 0, len, this);
1668     }
1669     ~CopyStream()
1670     {
1671         ::free(this->buf);this->buf = 0;
1672         delete this->memstream;
1673     }
1674     Dict* getDict() {return dict;}
1675     Stream* getStream() {return this->memstream;};
1676 };
1677
1678 gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
1679 {
1680     gfxbbox_t bbox;
1681     double x,y;
1682     state->transform(0, 1, &x, &y);
1683     bbox.xmin=bbox.xmax = x;
1684     bbox.ymin=bbox.ymax = y;
1685     state->transform(0, 0, &x, &y);
1686     bbox.xmin=min(bbox.xmin,x);
1687     bbox.ymin=min(bbox.ymin,y);
1688     bbox.xmax=max(bbox.xmax,x);
1689     bbox.ymax=max(bbox.ymax,y);
1690     state->transform(1, 0, &x, &y);
1691     bbox.xmin=min(bbox.xmin,x);
1692     bbox.ymin=min(bbox.ymin,y);
1693     bbox.xmax=max(bbox.xmax,x);
1694     bbox.ymax=max(bbox.ymax,y);
1695     state->transform(1, 1, &x, &y);
1696     bbox.xmin=min(bbox.xmin,x);
1697     bbox.ymin=min(bbox.ymin,y);
1698     bbox.xmax=max(bbox.xmax,x);
1699     bbox.ymax=max(bbox.ymax,y);
1700     return bbox;
1701 }
1702 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
1703                            int width, int height, GBool invert,
1704                            GBool inlineImg)
1705 {
1706     msg("<debug> drawImageMask streamkind=%d", str->getKind());
1707
1708     CopyStream*cpystr = new CopyStream(str, height * ((width + 7) / 8));
1709     str = cpystr->getStream();
1710
1711     boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1712     gfxbbox_t bbox = getImageBBox(state);
1713     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1714     rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
1715     delete cpystr;
1716     dbg_newdata("imagemask");
1717 }
1718 void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
1719                        int width, int height, GfxImageColorMap *colorMap,
1720                        int *maskColors, GBool inlineImg)
1721 {
1722     msg("<debug> drawImage streamkind=%d", str->getKind());
1723
1724     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1725     str = cpystr->getStream();
1726
1727     boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1728     gfxbbox_t bbox=getImageBBox(state);
1729     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1730     rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
1731     delete cpystr;
1732     dbg_newdata("image");
1733 }
1734 void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
1735                              int width, int height,
1736                              GfxImageColorMap *colorMap,
1737                              Stream *maskStr, int maskWidth, int maskHeight,
1738                              GBool maskInvert)
1739 {
1740     msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
1741
1742     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1743     str = cpystr->getStream();
1744
1745     boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1746     gfxbbox_t bbox=getImageBBox(state);
1747     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1748     rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
1749     delete cpystr;
1750     dbg_newdata("maskedimage");
1751 }
1752 void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
1753                                  int width, int height,
1754                                  GfxImageColorMap *colorMap,
1755                                  Stream *maskStr,
1756                                  int maskWidth, int maskHeight,
1757                                  GfxImageColorMap *maskColorMap)
1758 {
1759     msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
1760
1761     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
1762     str = cpystr->getStream();
1763
1764     boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1765     gfxbbox_t bbox=getImageBBox(state);
1766     checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
1767     rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
1768     delete cpystr;
1769     dbg_newdata("softmaskimage");
1770 }
1771 void BitmapOutputDev::drawForm(Ref id)
1772 {
1773     msg("<debug> drawForm");
1774     boolpolydev->drawForm(id);
1775     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1776     rgbdev->drawForm(id);
1777 }
1778
1779 void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
1780 {
1781     msg("<debug> processLink");
1782     flushEverything();
1783     gfxdev->processLink(link, catalog);
1784 }
1785 void BitmapOutputDev::flushEverything()
1786 {
1787     if(layerstate == STATE_BITMAP_IS_ABOVE) {
1788         this->flushText();
1789         this->flushBitmap();
1790     } else {
1791         this->flushBitmap();
1792         this->flushText();
1793     }
1794 }
1795
1796 void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
1797                                     GfxColorSpace *blendingColorSpace,
1798                                     GBool isolated, GBool knockout,
1799                                     GBool forSoftMask)
1800 {
1801     msg("<debug> beginTransparencyGroup");
1802 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1803     GfxState*state1 = state->copy();
1804     GfxState*state2 = state->copy();
1805     state1->setPath(0);
1806     state1->setPath(state->getPath()->copy());
1807     state2->setPath(0);
1808     state2->setPath(state->getPath()->copy());
1809 #else
1810     GfxState*state1 = state->copy(gTrue);
1811     GfxState*state2 = state->copy(gTrue);
1812 #endif
1813     boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1814     rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1815     clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
1816     delete state1;
1817     delete state2;
1818     dbg_newdata("endtransparencygroup");
1819 }
1820 void BitmapOutputDev::endTransparencyGroup(GfxState *state)
1821 {
1822     msg("<debug> endTransparencyGroup");
1823 #if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
1824     GfxState*state1 = state->copy();
1825     GfxState*state2 = state->copy();
1826     state1->setPath(0);
1827     state1->setPath(state->getPath()->copy());
1828     state2->setPath(0);
1829     state2->setPath(state->getPath()->copy());
1830 #else
1831     GfxState*state1 = state->copy(gTrue);
1832     GfxState*state2 = state->copy(gTrue);
1833 #endif
1834     boolpolydev->endTransparencyGroup(state1);
1835     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1836     rgbdev->endTransparencyGroup(state2);
1837     delete state1;
1838     delete state2;
1839     clip1dev->endTransparencyGroup(state);
1840     dbg_newdata("endtransparencygroup");
1841 }
1842 void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
1843 {
1844     msg("<debug> paintTransparencyGroup");
1845     boolpolydev->paintTransparencyGroup(state,bbox);
1846     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1847     rgbdev->paintTransparencyGroup(state,bbox);
1848     clip1dev->paintTransparencyGroup(state,bbox);
1849     dbg_newdata("painttransparencygroup");
1850 }
1851 void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
1852 {
1853     msg("<debug> setSoftMask");
1854     boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1855     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1856     rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1857     clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
1858     dbg_newdata("setsoftmask");
1859 }
1860 void BitmapOutputDev::clearSoftMask(GfxState *state)
1861 {
1862     msg("<debug> clearSoftMask");
1863     boolpolydev->clearSoftMask(state);
1864     checkNewBitmap(UNKNOWN_BOUNDING_BOX);
1865     rgbdev->clearSoftMask(state);
1866     clip1dev->clearSoftMask(state);
1867     dbg_newdata("clearsoftmask");
1868 }