3 #include "InfoOutputDev.h"
4 #include "SplashOutputDev.h"
6 #include <splash/SplashTypes.h>
7 #include <splash/SplashPath.h>
8 #include <splash/SplashFont.h>
9 #include <splash/SplashFontFile.h>
11 #include "SplashTypes.h"
12 #include "SplashPath.h"
13 #include "SplashFont.h"
14 #include "SplashFontFile.h"
20 #include "../gfxfont.h"
24 int config_addspace = 1;
25 int config_fontquality = 10;
26 int config_bigchar = 0;
28 InfoOutputDev::InfoOutputDev(XRef*xref)
38 id2font = new GHash(1);
39 SplashColor white = {255,255,255};
40 splash = new SplashOutputDev(splashModeRGB8,320,0,white,0,0);
41 splash->startDoc(xref);
43 InfoOutputDev::~InfoOutputDev()
46 id2font->startIter(&i);
49 while(id2font->getNext(&i, &key, (void**)&fontinfo)) {
52 id2font->killIter(&i);
54 delete id2font;id2font=0;
55 delete splash;splash=0;
58 void FontInfo::grow(int size)
60 if(size >= this->num_glyphs) {
61 this->glyphs = (GlyphInfo**)realloc(this->glyphs, sizeof(GlyphInfo*)*(size));
62 this->kerning = (dict_t**)realloc(this->kerning, sizeof(dict_t*)*(size));
63 memset(&this->glyphs[this->num_glyphs], 0, sizeof(SplashPath*)*((size)-this->num_glyphs));
64 memset(&this->kerning[this->num_glyphs], 0, sizeof(dict_t*)*((size)-this->num_glyphs));
65 this->num_glyphs = size;
68 FontInfo::FontInfo(char*id)
70 this->id = strdup(id);
75 this->splash_font = 0;
80 this->space_char = -1;
84 if(this->id) {free(this->id);this->id=0;}
87 for(t=0;t<num_glyphs;t++) {
89 delete glyphs[t]->path;glyphs[t]->path = 0;
94 free(glyphs);glyphs=0;
96 gfxfont_free(this->gfxfont);
99 for(t=0;t<num_glyphs;t++) {
100 dict_t* d = kerning[t];
102 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
112 static int findSpace(gfxfont_t*font)
114 int first_space = -1;
116 for(t=0;t<font->num_glyphs;t++) {
117 gfxglyph_t*g = &font->glyphs[t];
118 if(GLYPH_IS_SPACE(g)) {
119 if(g->unicode == 32) return t;
124 if(font->num_glyphs>32 && GLYPH_IS_SPACE(&font->glyphs[32])) {
130 static int addSpace(gfxfont_t*font)
133 font->glyphs = (gfxglyph_t*)realloc(font->glyphs, sizeof(gfxglyph_t)*font->num_glyphs);
134 gfxglyph_t*g = &font->glyphs[font->num_glyphs-1];
135 memset(g, 0, sizeof(*g));
137 //g->advance = font->ascent;
138 g->advance = fabs(font->ascent - font->descent)*2 / 3;
139 if(font->max_unicode > 32)
140 font->unicode2glyph[32] = font->num_glyphs-1;
142 g->line = gfxline_makerectangle(0, -font->ascent, g->advance, font->descent);
144 return font->num_glyphs-1;
147 static gfxfont_t* createGfxFont(FontInfo*src)
149 gfxfont_t*font = (gfxfont_t*)malloc(sizeof(gfxfont_t));
150 memset(font, 0, sizeof(gfxfont_t));
152 font->glyphs = (gfxglyph_t*)malloc(sizeof(gfxglyph_t)*src->num_glyphs);
153 memset(font->glyphs, 0, sizeof(gfxglyph_t)*src->num_glyphs);
157 double quality = (INTERNAL_FONT_SIZE * 200 / config_fontquality) / src->max_size;
159 //printf("%d glyphs\n", font->num_glyphs);
160 font->num_glyphs = 0;
161 font->ascent = fabs(src->ascender);
162 font->descent = fabs(src->descender);
164 for(t=0;t<src->num_glyphs;t++) {
166 SplashPath*path = src->glyphs[t]->path;
167 int len = path?path->getLength():0;
168 //printf("glyph %d) %08x (%d line segments)\n", t, path, len);
169 gfxglyph_t*glyph = &font->glyphs[font->num_glyphs];
170 src->glyphs[t]->glyphid = font->num_glyphs;
171 glyph->unicode = src->glyphs[t]->unicode;
172 if(glyph->unicode >= font->max_unicode)
173 font->max_unicode = glyph->unicode+1;
175 gfxdrawer_target_gfxline(&drawer);
182 path->getPoint(s, &x, &y, &f);
185 if(f&splashPathFirst) {
186 drawer.moveTo(&drawer, x*scale, y*scale);
188 if(f&splashPathCurve) {
190 path->getPoint(++s, &x2, &y2, &f);
191 if(f&splashPathCurve) {
193 path->getPoint(++s, &x3, &y3, &f);
194 gfxdraw_cubicTo(&drawer, x*scale, y*scale, x2*scale, y2*scale, x3*scale, y3*scale, quality);
196 drawer.splineTo(&drawer, x*scale, y*scale, x2*scale, y2*scale);
199 drawer.lineTo(&drawer, x*scale, y*scale);
201 // printf("%f %f %s %s\n", x, y, (f&splashPathCurve)?"curve":"",
202 // (f&splashPathFirst)?"first":"",
203 // (f&splashPathLast)?"last":"");
206 glyph->line = (gfxline_t*)drawer.result(&drawer);
207 if(src->glyphs[t]->advance>0) {
208 glyph->advance = src->glyphs[t]->advance;
210 msg("<warning> Approximating advance value for glyph %d", t);
211 glyph->advance = xmax*scale;
214 double max = src->glyphs[t]->advance_max;
215 if(max>0 && max > glyph->advance) {
216 glyph->advance = max;
224 gfxfont_fix_unicode(font);
226 int kerning_size = 0;
227 for(t=0;t<src->num_glyphs;t++) {
228 dict_t* d = src->kerning[t];
230 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
236 font->kerning_size = kerning_size;
237 font->kerning = (gfxkerning_t*)malloc(sizeof(gfxkerning_t)*kerning_size);
239 for(t=0;t<src->num_glyphs;t++) {
240 dict_t* d = src->kerning[t];
242 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
244 font->kerning[pos].c1 = src->glyphs[t]->glyphid;
245 font->kerning[pos].c2 = src->glyphs[(int)(ptroff_t)key]->glyphid;
246 font->kerning[pos].advance = (int)(ptroff_t)m->first->key;
251 //int advance = (int)(ptroff_t)m->first->key;
256 static float find_average_glyph_advance(gfxfont_t*f)
261 float*values = (float*)malloc(sizeof(float)*f->num_glyphs);
263 for(t=0;t<f->num_glyphs;t++) {
264 values[t] = f->glyphs[t].advance;
266 float m = medianf(values, f->num_glyphs);
271 gfxfont_t* FontInfo::getGfxFont()
274 this->gfxfont = createGfxFont(this);
275 this->gfxfont->id = strdup(this->id);
276 this->space_char = findSpace(this->gfxfont);
277 this->average_advance = find_average_glyph_advance(this->gfxfont);
279 if(this->space_char>=0) {
280 msg("<debug> Font %s has space char %d (unicode=%d)",
281 this->id, this->space_char,
282 this->gfxfont->glyphs[this->space_char].unicode);
283 } else if(config_addspace) {
284 this->space_char = addSpace(this->gfxfont);
285 msg("<debug> Appending space char to font %s, position %d", this->gfxfont->id, this->space_char);
288 return this->gfxfont;
291 GBool InfoOutputDev::upsideDown() {return gTrue;}
292 GBool InfoOutputDev::useDrawChar() {return gTrue;}
293 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
294 GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
296 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
299 state->transform(crop_x1,crop_y1,&x1,&y1);
300 state->transform(crop_x2,crop_y2,&x2,&y2);
301 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
302 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
307 msg("<verbose> Generating info structure for page %d", pageNum);
309 void InfoOutputDev::endPage()
312 void InfoOutputDev::drawLink(Link *link, Catalog *catalog)
317 /* } else if(!strcmp(key,"fontquality")) {
318 this->config_fontquality = atof(value);
319 if(this->config_fontquality<=1)
320 this->config_fontquality=1;
321 } else if(!strcmp(key,"bigchar")) {
322 this->config_bigchar = atoi(value);
326 double InfoOutputDev::getMaximumFontSize(char*id)
328 FontInfo*info = (FontInfo*)id2font->lookup(id);
330 msg("<error> Unknown font id: %s", id);
333 return info->max_size;
336 char*getFontID(GfxFont*font)
338 Ref*ref = font->getID();
339 GString*gstr = font->getName();
340 char* fname = gstr==0?0:gstr->getCString();
343 if(font->getType() == fontType3) {
344 sprintf(buf, "t3font-%d-%d", ref->num, ref->gen);
346 sprintf(buf, "font-%d-%d", ref->num, ref->gen);
349 sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
354 void InfoOutputDev::updateFont(GfxState *state)
356 GfxFont*font = state->getFont();
361 if(font->getType() == fontType3) {
365 char*id = getFontID(font);
368 currentfont->splash_font = 0;
370 currentfont = (FontInfo*)id2font->lookup(id);
372 currentfont = new FontInfo(id);
373 currentfont->font = font;
374 currentfont->max_size = 0;
375 GString* idStr = new GString(id);
376 id2font->add(idStr, (void*)currentfont);
380 state->setCTM(1.0,0,0,1.0,0,0);
381 splash->updateCTM(state, 0,0,0,0,0,0);
382 state->setTextMat(1.0,0,0,1.0,0,0);
383 state->setFont(font, 1024.0);
384 splash->doUpdateFont(state);
385 currentfont->splash_font = splash->getCurrentFont();
386 if(currentfont->splash_font) {
387 currentfont->ascender = currentfont->splash_font->ascender;
388 currentfont->descender = currentfont->splash_font->descender;
390 currentfont->ascender = currentfont->descender = 0;
396 void InfoOutputDev::fill(GfxState *state)
401 void InfoOutputDev::eoFill(GfxState *state)
406 FontInfo* InfoOutputDev::getFont(char*id)
408 return (FontInfo*)id2font->lookup(id);
411 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
412 double dx, double dy,
413 double originX, double originY,
414 CharCode code, int nBytes, Unicode *u, int uLen)
416 double m11,m21,m12,m22;
417 state->getFontTransMat(&m11, &m12, &m21, &m22);
418 m11 *= state->getHorizScaling();
419 m21 *= state->getHorizScaling();
420 double lenx = sqrt(m11*m11 + m12*m12);
421 double leny = sqrt(m21*m21 + m22*m22);
422 double len = lenx>leny?lenx:leny;
423 if(!currentfont || !currentfont->splash_font) {
426 if(currentfont && currentfont->max_size < len) {
427 currentfont->max_size = len;
432 currentfont->grow(code+1);
433 GlyphInfo*g = currentfont->glyphs[code];
435 g = currentfont->glyphs[code] = new GlyphInfo();
437 currentfont->splash_font->last_advance = -1;
438 g->path = currentfont->splash_font->getGlyphPath(code);
439 g->advance = currentfont->splash_font->last_advance;
442 if(uLen && ((u[0]>=32 && u[0]<g->unicode) || !g->unicode)) {
445 if(currentfont->lastchar>=0 && currentfont->lasty == y) {
446 double xshift = (x - currentfont->lastx);
447 if(xshift>=0 && xshift > g->advance_max) {
448 g->advance_max = xshift;
450 int advance = (int)xshift;
451 if(advance>=0 && advance<g->advance*4 && advance!=currentfont->lastadvance) {
452 int c1 = currentfont->lastchar;
454 dict_t*d = currentfont->kerning[c1];
456 d = currentfont->kerning[c1] = dict_new2(&int_type);
458 mtf_t*k = (mtf_t*)dict_lookup(d, (void*)(ptroff_t)c2);
460 k = mtf_new(&int_type);
461 dict_put(d, (void*)(ptroff_t)c2, k);
463 mtf_increase(k, (void*)(ptroff_t)advance);
467 currentfont->lastx = x;
468 currentfont->lasty = y;
469 currentfont->lastchar = code;
470 currentfont->lastadvance = (int)(g->advance+0.5);
473 GBool InfoOutputDev::beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen)
475 GfxFont*font = state->getFont();
478 if(font->getType() != fontType3)
481 char*id = getFontID(font);
482 currentfont = (FontInfo*)id2font->lookup(id);
484 currentfont = new FontInfo(id);
485 currentfont->font = font;
486 GString* idStr = new GString(id);
487 id2font->add(idStr, (void*)currentfont);
490 currentfont = currentfont;
493 currentfont->grow(code+1);
494 if(!currentfont->glyphs[code]) {
495 currentglyph = currentfont->glyphs[code] = new GlyphInfo();
496 currentglyph->unicode = uLen?u[0]:0;
497 currentglyph->path = new SplashPath();
508 void InfoOutputDev::type3D0(GfxState *state, double wx, double wy)
516 void InfoOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
518 currentglyph->x1=llx;
519 currentglyph->y1=lly;
520 currentglyph->x2=urx;
521 currentglyph->y2=ury;
524 void InfoOutputDev::endType3Char(GfxState *state)
526 double x1 = currentglyph->x1;
527 double y1 = currentglyph->y1;
528 double x2 = currentglyph->x2;
529 double y2 = currentglyph->y2;
530 currentglyph->path->moveTo(x1,y1);
531 currentglyph->path->lineTo(x2,y1);
532 currentglyph->path->lineTo(x2,y2);
533 currentglyph->path->lineTo(x1,y2);
534 currentglyph->path->close();
537 void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
538 int width, int height, GBool invert,
541 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
543 OutputDev::drawImageMask(state,ref,str,width,height,invert,inlineImg);
545 void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
546 int width, int height, GfxImageColorMap *colorMap,
547 int *maskColors, GBool inlineImg)
549 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
551 OutputDev::drawImage(state,ref,str,width,height,colorMap,maskColors,inlineImg);
553 void InfoOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
554 int width, int height,
555 GfxImageColorMap *colorMap,
557 int maskWidth, int maskHeight,
560 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
562 OutputDev::drawMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskInvert);
565 void InfoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
566 int width, int height,
567 GfxImageColorMap *colorMap,
569 int maskWidth, int maskHeight,
570 GfxImageColorMap *maskColorMap)
572 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
574 OutputDev::drawSoftMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskColorMap);
577 void InfoOutputDev::dumpfonts(gfxdevice_t*dev)
582 id2font->startIter(&i);
583 while(id2font->getNext(&i, &key, (void**)&font)) {
584 dev->addfont(dev, font->getGfxFont());