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"
23 int config_addspace = 1;
24 int config_fontquality = 10;
25 int config_bigchar = 0;
27 InfoOutputDev::InfoOutputDev(XRef*xref)
37 id2font = new GHash(1);
38 SplashColor white = {255,255,255};
39 splash = new SplashOutputDev(splashModeRGB8,320,0,white,0,0);
40 splash->startDoc(xref);
42 InfoOutputDev::~InfoOutputDev()
45 id2font->startIter(&i);
48 while(id2font->getNext(&i, &key, (void**)&fontinfo)) {
51 id2font->killIter(&i);
53 delete id2font;id2font=0;
54 delete splash;splash=0;
57 void FontInfo::grow(int size)
59 if(size >= this->num_glyphs) {
60 this->glyphs = (GlyphInfo**)realloc(this->glyphs, sizeof(GlyphInfo*)*(size));
61 this->kerning = (dict_t**)realloc(this->kerning, sizeof(dict_t*)*(size));
62 memset(&this->glyphs[this->num_glyphs], 0, sizeof(SplashPath*)*((size)-this->num_glyphs));
63 memset(&this->kerning[this->num_glyphs], 0, sizeof(dict_t*)*((size)-this->num_glyphs));
64 this->num_glyphs = size;
67 FontInfo::FontInfo(char*id)
69 this->id = strdup(id);
70 this->charid2glyph = 0;
75 this->splash_font = 0;
80 this->space_char = -1;
84 if(this->id) {free(this->id);this->id=0;}
86 if(this->charid2glyph) {
87 free(this->charid2glyph);
88 this->charid2glyph = 0;
91 for(t=0;t<num_glyphs;t++) {
93 delete glyphs[t]->path;glyphs[t]->path = 0;
98 free(glyphs);glyphs=0;
100 gfxfont_free(this->gfxfont);
103 for(t=0;t<num_glyphs;t++) {
104 dict_t* d = kerning[t];
106 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
114 static int findSpace(gfxfont_t*font)
116 int first_space = -1;
118 for(t=0;t<font->num_glyphs;t++) {
119 gfxglyph_t*g = &font->glyphs[t];
120 if(GLYPH_IS_SPACE(g)) {
121 if(g->unicode == 32) return t;
126 if(font->num_glyphs>32 && GLYPH_IS_SPACE(&font->glyphs[32])) {
132 static int addSpace(gfxfont_t*font)
135 font->glyphs = (gfxglyph_t*)realloc(font->glyphs, sizeof(gfxglyph_t)*font->num_glyphs);
136 gfxglyph_t*g = &font->glyphs[font->num_glyphs-1];
137 memset(g, 0, sizeof(*g));
139 //g->advance = font->ascent;
140 g->advance = fabs(font->ascent - font->descent)*2 / 3;
141 if(font->max_unicode > 32)
142 font->unicode2glyph[32] = font->num_glyphs-1;
144 g->line = gfxline_makerectangle(0, -font->ascent, g->advance, font->descent);
146 return font->num_glyphs-1;
149 static gfxfont_t* createGfxFont(FontInfo*src)
151 gfxfont_t*font = (gfxfont_t*)malloc(sizeof(gfxfont_t));
152 memset(font, 0, sizeof(gfxfont_t));
154 font->glyphs = (gfxglyph_t*)malloc(sizeof(gfxglyph_t)*src->num_glyphs);
155 memset(font->glyphs, 0, sizeof(gfxglyph_t)*src->num_glyphs);
159 double quality = (INTERNAL_FONT_SIZE * 200 / config_fontquality) / src->max_size;
161 //printf("%d glyphs\n", font->num_glyphs);
162 font->num_glyphs = 0;
163 font->ascent = fabs(src->ascender);
164 font->descent = fabs(src->descender);
166 for(t=0;t<src->num_glyphs;t++) {
168 SplashPath*path = src->glyphs[t]->path;
169 int len = path?path->getLength():0;
170 //printf("glyph %d) %08x (%d line segments)\n", t, path, len);
171 gfxglyph_t*glyph = &font->glyphs[font->num_glyphs];
172 src->glyphs[t]->glyphid = font->num_glyphs;
173 glyph->unicode = src->glyphs[t]->unicode;
174 if(glyph->unicode >= font->max_unicode)
175 font->max_unicode = glyph->unicode+1;
177 gfxdrawer_target_gfxline(&drawer);
184 path->getPoint(s, &x, &y, &f);
187 if(f&splashPathFirst) {
188 drawer.moveTo(&drawer, x*scale, y*scale);
190 if(f&splashPathCurve) {
192 path->getPoint(++s, &x2, &y2, &f);
193 if(f&splashPathCurve) {
195 path->getPoint(++s, &x3, &y3, &f);
196 gfxdraw_cubicTo(&drawer, x*scale, y*scale, x2*scale, y2*scale, x3*scale, y3*scale, quality);
198 drawer.splineTo(&drawer, x*scale, y*scale, x2*scale, y2*scale);
201 drawer.lineTo(&drawer, x*scale, y*scale);
203 // printf("%f %f %s %s\n", x, y, (f&splashPathCurve)?"curve":"",
204 // (f&splashPathFirst)?"first":"",
205 // (f&splashPathLast)?"last":"");
208 glyph->line = (gfxline_t*)drawer.result(&drawer);
209 if(src->glyphs[t]->advance>0) {
210 glyph->advance = src->glyphs[t]->advance;
212 msg("<warning> Approximating advance value for glyph %d", t);
213 glyph->advance = xmax*scale;
216 double max = src->glyphs[t]->advance_max;
217 if(max>0 && max > glyph->advance) {
218 glyph->advance = max;
225 font->unicode2glyph = (int*)malloc(sizeof(int)*font->max_unicode);
226 memset(font->unicode2glyph, -1, sizeof(int)*font->max_unicode);
227 for(t=0;t<font->num_glyphs;t++) {
228 if(font->glyphs[t].unicode>0 && font->glyphs[t].unicode<font->max_unicode) {
229 font->unicode2glyph[font->glyphs[t].unicode] = t;
234 int kerning_size = 0;
235 for(t=0;t<font->num_glyphs;t++) {
236 dict_t* d = src->kerning[t];
238 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
244 font->kerning_size = kerning_size;
245 font->kerning = (gfxkerning_t*)malloc(sizeof(gfxkerning_t)*kerning_size);
247 for(t=0;t<font->num_glyphs;t++) {
248 dict_t* d = src->kerning[t];
250 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
252 font->kerning[pos].c1 = t;
253 font->kerning[pos].c2 = (int)(ptroff_t)key;
254 font->kerning[pos].advance = (int)(ptroff_t)m->first->key;
259 //int advance = (int)(ptroff_t)m->first->key;
264 static float find_average_glyph_advance(gfxfont_t*f)
269 float*values = (float*)malloc(sizeof(float)*f->num_glyphs);
271 for(t=0;t<f->num_glyphs;t++) {
272 values[t] = f->glyphs[t].advance;
274 float m = medianf(values, f->num_glyphs);
279 gfxfont_t* FontInfo::getGfxFont()
282 this->gfxfont = createGfxFont(this);
283 this->gfxfont->id = strdup(this->id);
284 this->space_char = findSpace(this->gfxfont);
285 this->average_advance = find_average_glyph_advance(this->gfxfont);
287 if(this->space_char>=0) {
288 msg("<debug> Font %s has space char %d (unicode=%d)",
289 this->id, this->space_char,
290 this->gfxfont->glyphs[this->space_char].unicode);
291 } else if(config_addspace) {
292 this->space_char = addSpace(this->gfxfont);
293 msg("<debug> Appending space char to font %s, position %d", this->gfxfont->id, this->space_char);
296 return this->gfxfont;
299 GBool InfoOutputDev::upsideDown() {return gTrue;}
300 GBool InfoOutputDev::useDrawChar() {return gTrue;}
301 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
302 GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
304 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
307 state->transform(crop_x1,crop_y1,&x1,&y1);
308 state->transform(crop_x2,crop_y2,&x2,&y2);
309 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
310 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
315 msg("<verbose> Generating info structure for page %d", pageNum);
317 void InfoOutputDev::endPage()
320 void InfoOutputDev::drawLink(Link *link, Catalog *catalog)
325 /* } else if(!strcmp(key,"fontquality")) {
326 this->config_fontquality = atof(value);
327 if(this->config_fontquality<=1)
328 this->config_fontquality=1;
329 } else if(!strcmp(key,"bigchar")) {
330 this->config_bigchar = atoi(value);
334 double InfoOutputDev::getMaximumFontSize(char*id)
336 FontInfo*info = (FontInfo*)id2font->lookup(id);
338 msg("<error> Unknown font id: %s", id);
341 return info->max_size;
344 char*getFontID(GfxFont*font)
346 Ref*ref = font->getID();
347 GString*gstr = font->getName();
348 char* fname = gstr==0?0:gstr->getCString();
351 if(font->getType() == fontType3) {
352 sprintf(buf, "t3font-%d-%d", ref->num, ref->gen);
354 sprintf(buf, "font-%d-%d", ref->num, ref->gen);
357 sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
362 void InfoOutputDev::updateFont(GfxState *state)
364 GfxFont*font = state->getFont();
369 if(font->getType() == fontType3) {
373 char*id = getFontID(font);
376 currentfont->splash_font = 0;
378 currentfont = (FontInfo*)id2font->lookup(id);
380 currentfont = new FontInfo(id);
381 currentfont->font = font;
382 currentfont->max_size = 0;
383 GString* idStr = new GString(id);
384 id2font->add(idStr, (void*)currentfont);
388 state->setCTM(1.0,0,0,1.0,0,0);
389 splash->updateCTM(state, 0,0,0,0,0,0);
390 state->setTextMat(1.0,0,0,1.0,0,0);
391 state->setFont(font, 1024.0);
392 splash->doUpdateFont(state);
393 currentfont->splash_font = splash->getCurrentFont();
394 if(currentfont->splash_font) {
395 currentfont->ascender = currentfont->splash_font->ascender;
396 currentfont->descender = currentfont->splash_font->descender;
398 currentfont->ascender = currentfont->descender = 0;
404 void InfoOutputDev::fill(GfxState *state)
409 void InfoOutputDev::eoFill(GfxState *state)
414 FontInfo* InfoOutputDev::getFont(char*id)
416 return (FontInfo*)id2font->lookup(id);
419 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
420 double dx, double dy,
421 double originX, double originY,
422 CharCode code, int nBytes, Unicode *u, int uLen)
424 double m11,m21,m12,m22;
425 state->getFontTransMat(&m11, &m12, &m21, &m22);
426 m11 *= state->getHorizScaling();
427 m21 *= state->getHorizScaling();
428 double lenx = sqrt(m11*m11 + m12*m12);
429 double leny = sqrt(m21*m21 + m22*m22);
430 double len = lenx>leny?lenx:leny;
431 if(!currentfont || !currentfont->splash_font) {
434 if(currentfont && currentfont->max_size < len) {
435 currentfont->max_size = len;
440 currentfont->grow(code+1);
441 GlyphInfo*g = currentfont->glyphs[code];
443 g = currentfont->glyphs[code] = new GlyphInfo();
445 currentfont->splash_font->last_advance = -1;
446 g->path = currentfont->splash_font->getGlyphPath(code);
447 g->advance = currentfont->splash_font->last_advance;
450 if(uLen && ((u[0]>=32 && u[0]<g->unicode) || !g->unicode)) {
453 if(currentfont->lastchar>=0 && currentfont->lasty == y) {
454 double xshift = (x - currentfont->lastx);
455 if(xshift>=0 && xshift > g->advance_max) {
456 g->advance_max = xshift;
458 int advance = (int)xshift;
459 if(advance>=0 && advance<g->advance*4 && advance!=currentfont->lastadvance) {
460 int c1 = currentfont->lastchar;
462 dict_t*d = currentfont->kerning[c1];
464 d = currentfont->kerning[c1] = dict_new2(&int_type);
466 mtf_t*k = (mtf_t*)dict_lookup(d, (void*)(ptroff_t)c2);
468 k = mtf_new(&int_type);
469 dict_put(d, (void*)(ptroff_t)c2, k);
471 mtf_increase(k, (void*)(ptroff_t)advance);
475 currentfont->lastx = x;
476 currentfont->lasty = y;
477 currentfont->lastchar = code;
478 currentfont->lastadvance = (int)(g->advance+0.5);
481 GBool InfoOutputDev::beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen)
483 GfxFont*font = state->getFont();
486 if(font->getType() != fontType3)
489 char*id = getFontID(font);
490 currentfont = (FontInfo*)id2font->lookup(id);
492 currentfont = new FontInfo(id);
493 currentfont->font = font;
494 GString* idStr = new GString(id);
495 id2font->add(idStr, (void*)currentfont);
498 currentfont = currentfont;
501 currentfont->grow(code+1);
502 if(!currentfont->glyphs[code]) {
503 currentglyph = currentfont->glyphs[code] = new GlyphInfo();
504 currentglyph->unicode = uLen?u[0]:0;
505 currentglyph->path = new SplashPath();
516 void InfoOutputDev::type3D0(GfxState *state, double wx, double wy)
524 void InfoOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
526 currentglyph->x1=llx;
527 currentglyph->y1=lly;
528 currentglyph->x2=urx;
529 currentglyph->y2=ury;
532 void InfoOutputDev::endType3Char(GfxState *state)
534 double x1 = currentglyph->x1;
535 double y1 = currentglyph->y1;
536 double x2 = currentglyph->x2;
537 double y2 = currentglyph->y2;
538 currentglyph->path->moveTo(x1,y1);
539 currentglyph->path->lineTo(x2,y1);
540 currentglyph->path->lineTo(x2,y2);
541 currentglyph->path->lineTo(x1,y2);
542 currentglyph->path->close();
545 void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
546 int width, int height, GBool invert,
549 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
551 OutputDev::drawImageMask(state,ref,str,width,height,invert,inlineImg);
553 void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
554 int width, int height, GfxImageColorMap *colorMap,
555 int *maskColors, GBool inlineImg)
557 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
559 OutputDev::drawImage(state,ref,str,width,height,colorMap,maskColors,inlineImg);
561 void InfoOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
562 int width, int height,
563 GfxImageColorMap *colorMap,
565 int maskWidth, int maskHeight,
568 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
570 OutputDev::drawMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskInvert);
573 void InfoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
574 int width, int height,
575 GfxImageColorMap *colorMap,
577 int maskWidth, int maskHeight,
578 GfxImageColorMap *maskColorMap)
580 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
582 OutputDev::drawSoftMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskColorMap);
585 void InfoOutputDev::dumpfonts(gfxdevice_t*dev)
590 id2font->startIter(&i);
591 while(id2font->getNext(&i, &key, (void**)&font)) {
592 dev->addfont(dev, font->getGfxFont());