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);
74 this->splash_font = 0;
79 this->space_char = -1;
83 if(this->id) {free(this->id);this->id=0;}
86 for(t=0;t<num_glyphs;t++) {
88 delete glyphs[t]->path;glyphs[t]->path = 0;
93 free(glyphs);glyphs=0;
95 gfxfont_free(this->gfxfont);
98 for(t=0;t<num_glyphs;t++) {
99 dict_t* d = kerning[t];
101 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
109 static int findSpace(gfxfont_t*font)
111 int first_space = -1;
113 for(t=0;t<font->num_glyphs;t++) {
114 gfxglyph_t*g = &font->glyphs[t];
115 if(GLYPH_IS_SPACE(g)) {
116 if(g->unicode == 32) return t;
121 if(font->num_glyphs>32 && GLYPH_IS_SPACE(&font->glyphs[32])) {
127 static int addSpace(gfxfont_t*font)
130 font->glyphs = (gfxglyph_t*)realloc(font->glyphs, sizeof(gfxglyph_t)*font->num_glyphs);
131 gfxglyph_t*g = &font->glyphs[font->num_glyphs-1];
132 memset(g, 0, sizeof(*g));
134 //g->advance = font->ascent;
135 g->advance = fabs(font->ascent - font->descent)*2 / 3;
136 if(font->max_unicode > 32)
137 font->unicode2glyph[32] = font->num_glyphs-1;
139 g->line = gfxline_makerectangle(0, -font->ascent, g->advance, font->descent);
141 return font->num_glyphs-1;
144 static gfxfont_t* createGfxFont(FontInfo*src)
146 gfxfont_t*font = (gfxfont_t*)malloc(sizeof(gfxfont_t));
147 memset(font, 0, sizeof(gfxfont_t));
149 font->glyphs = (gfxglyph_t*)malloc(sizeof(gfxglyph_t)*src->num_glyphs);
150 memset(font->glyphs, 0, sizeof(gfxglyph_t)*src->num_glyphs);
154 double quality = (INTERNAL_FONT_SIZE * 200 / config_fontquality) / src->max_size;
156 //printf("%d glyphs\n", font->num_glyphs);
157 font->num_glyphs = 0;
158 font->ascent = fabs(src->ascender);
159 font->descent = fabs(src->descender);
161 for(t=0;t<src->num_glyphs;t++) {
163 SplashPath*path = src->glyphs[t]->path;
164 int len = path?path->getLength():0;
165 //printf("glyph %d) %08x (%d line segments)\n", t, path, len);
166 gfxglyph_t*glyph = &font->glyphs[font->num_glyphs];
167 src->glyphs[t]->glyphid = font->num_glyphs;
168 glyph->unicode = src->glyphs[t]->unicode;
169 if(glyph->unicode >= font->max_unicode)
170 font->max_unicode = glyph->unicode+1;
172 gfxdrawer_target_gfxline(&drawer);
179 path->getPoint(s, &x, &y, &f);
182 if(f&splashPathFirst) {
183 drawer.moveTo(&drawer, x*scale, y*scale);
185 if(f&splashPathCurve) {
187 path->getPoint(++s, &x2, &y2, &f);
188 if(f&splashPathCurve) {
190 path->getPoint(++s, &x3, &y3, &f);
191 gfxdraw_cubicTo(&drawer, x*scale, y*scale, x2*scale, y2*scale, x3*scale, y3*scale, quality);
193 drawer.splineTo(&drawer, x*scale, y*scale, x2*scale, y2*scale);
196 drawer.lineTo(&drawer, x*scale, y*scale);
198 // printf("%f %f %s %s\n", x, y, (f&splashPathCurve)?"curve":"",
199 // (f&splashPathFirst)?"first":"",
200 // (f&splashPathLast)?"last":"");
203 glyph->line = (gfxline_t*)drawer.result(&drawer);
204 if(src->glyphs[t]->advance>0) {
205 glyph->advance = src->glyphs[t]->advance;
207 msg("<warning> Approximating advance value for glyph %d", t);
208 glyph->advance = xmax*scale;
211 double max = src->glyphs[t]->advance_max;
212 if(max>0 && max > glyph->advance) {
213 glyph->advance = max;
220 font->unicode2glyph = (int*)malloc(sizeof(int)*font->max_unicode);
221 memset(font->unicode2glyph, -1, sizeof(int)*font->max_unicode);
222 for(t=0;t<font->num_glyphs;t++) {
223 if(font->glyphs[t].unicode>0 && font->glyphs[t].unicode<font->max_unicode) {
224 font->unicode2glyph[font->glyphs[t].unicode] = t;
229 int kerning_size = 0;
230 for(t=0;t<src->num_glyphs;t++) {
231 dict_t* d = src->kerning[t];
233 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
239 font->kerning_size = kerning_size;
240 font->kerning = (gfxkerning_t*)malloc(sizeof(gfxkerning_t)*kerning_size);
242 for(t=0;t<src->num_glyphs;t++) {
243 dict_t* d = src->kerning[t];
245 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
247 font->kerning[pos].c1 = src->glyphs[t]->glyphid;
248 font->kerning[pos].c2 = src->glyphs[(int)(ptroff_t)key]->glyphid;
249 font->kerning[pos].advance = (int)(ptroff_t)m->first->key;
254 //int advance = (int)(ptroff_t)m->first->key;
259 static float find_average_glyph_advance(gfxfont_t*f)
264 float*values = (float*)malloc(sizeof(float)*f->num_glyphs);
266 for(t=0;t<f->num_glyphs;t++) {
267 values[t] = f->glyphs[t].advance;
269 float m = medianf(values, f->num_glyphs);
274 gfxfont_t* FontInfo::getGfxFont()
277 this->gfxfont = createGfxFont(this);
278 this->gfxfont->id = strdup(this->id);
279 this->space_char = findSpace(this->gfxfont);
280 this->average_advance = find_average_glyph_advance(this->gfxfont);
282 if(this->space_char>=0) {
283 msg("<debug> Font %s has space char %d (unicode=%d)",
284 this->id, this->space_char,
285 this->gfxfont->glyphs[this->space_char].unicode);
286 } else if(config_addspace) {
287 this->space_char = addSpace(this->gfxfont);
288 msg("<debug> Appending space char to font %s, position %d", this->gfxfont->id, this->space_char);
291 return this->gfxfont;
294 GBool InfoOutputDev::upsideDown() {return gTrue;}
295 GBool InfoOutputDev::useDrawChar() {return gTrue;}
296 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
297 GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
299 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
302 state->transform(crop_x1,crop_y1,&x1,&y1);
303 state->transform(crop_x2,crop_y2,&x2,&y2);
304 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
305 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
310 msg("<verbose> Generating info structure for page %d", pageNum);
312 void InfoOutputDev::endPage()
315 void InfoOutputDev::drawLink(Link *link, Catalog *catalog)
320 /* } else if(!strcmp(key,"fontquality")) {
321 this->config_fontquality = atof(value);
322 if(this->config_fontquality<=1)
323 this->config_fontquality=1;
324 } else if(!strcmp(key,"bigchar")) {
325 this->config_bigchar = atoi(value);
329 double InfoOutputDev::getMaximumFontSize(char*id)
331 FontInfo*info = (FontInfo*)id2font->lookup(id);
333 msg("<error> Unknown font id: %s", id);
336 return info->max_size;
339 char*getFontID(GfxFont*font)
341 Ref*ref = font->getID();
342 GString*gstr = font->getName();
343 char* fname = gstr==0?0:gstr->getCString();
346 if(font->getType() == fontType3) {
347 sprintf(buf, "t3font-%d-%d", ref->num, ref->gen);
349 sprintf(buf, "font-%d-%d", ref->num, ref->gen);
352 sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
357 void InfoOutputDev::updateFont(GfxState *state)
359 GfxFont*font = state->getFont();
364 if(font->getType() == fontType3) {
368 char*id = getFontID(font);
371 currentfont->splash_font = 0;
373 currentfont = (FontInfo*)id2font->lookup(id);
375 currentfont = new FontInfo(id);
376 currentfont->font = font;
377 currentfont->max_size = 0;
378 GString* idStr = new GString(id);
379 id2font->add(idStr, (void*)currentfont);
383 state->setCTM(1.0,0,0,1.0,0,0);
384 splash->updateCTM(state, 0,0,0,0,0,0);
385 state->setTextMat(1.0,0,0,1.0,0,0);
386 state->setFont(font, 1024.0);
387 splash->doUpdateFont(state);
388 currentfont->splash_font = splash->getCurrentFont();
389 if(currentfont->splash_font) {
390 currentfont->ascender = currentfont->splash_font->ascender;
391 currentfont->descender = currentfont->splash_font->descender;
393 currentfont->ascender = currentfont->descender = 0;
399 void InfoOutputDev::fill(GfxState *state)
404 void InfoOutputDev::eoFill(GfxState *state)
409 FontInfo* InfoOutputDev::getFont(char*id)
411 return (FontInfo*)id2font->lookup(id);
414 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
415 double dx, double dy,
416 double originX, double originY,
417 CharCode code, int nBytes, Unicode *u, int uLen)
419 double m11,m21,m12,m22;
420 state->getFontTransMat(&m11, &m12, &m21, &m22);
421 m11 *= state->getHorizScaling();
422 m21 *= state->getHorizScaling();
423 double lenx = sqrt(m11*m11 + m12*m12);
424 double leny = sqrt(m21*m21 + m22*m22);
425 double len = lenx>leny?lenx:leny;
426 if(!currentfont || !currentfont->splash_font) {
429 if(currentfont && currentfont->max_size < len) {
430 currentfont->max_size = len;
435 currentfont->grow(code+1);
436 GlyphInfo*g = currentfont->glyphs[code];
438 g = currentfont->glyphs[code] = new GlyphInfo();
440 currentfont->splash_font->last_advance = -1;
441 g->path = currentfont->splash_font->getGlyphPath(code);
442 g->advance = currentfont->splash_font->last_advance;
445 if(uLen && ((u[0]>=32 && u[0]<g->unicode) || !g->unicode)) {
448 if(currentfont->lastchar>=0 && currentfont->lasty == y) {
449 double xshift = (x - currentfont->lastx);
450 if(xshift>=0 && xshift > g->advance_max) {
451 g->advance_max = xshift;
453 int advance = (int)xshift;
454 if(advance>=0 && advance<g->advance*4 && advance!=currentfont->lastadvance) {
455 int c1 = currentfont->lastchar;
457 dict_t*d = currentfont->kerning[c1];
459 d = currentfont->kerning[c1] = dict_new2(&int_type);
461 mtf_t*k = (mtf_t*)dict_lookup(d, (void*)(ptroff_t)c2);
463 k = mtf_new(&int_type);
464 dict_put(d, (void*)(ptroff_t)c2, k);
466 mtf_increase(k, (void*)(ptroff_t)advance);
470 currentfont->lastx = x;
471 currentfont->lasty = y;
472 currentfont->lastchar = code;
473 currentfont->lastadvance = (int)(g->advance+0.5);
476 GBool InfoOutputDev::beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen)
478 GfxFont*font = state->getFont();
481 if(font->getType() != fontType3)
484 char*id = getFontID(font);
485 currentfont = (FontInfo*)id2font->lookup(id);
487 currentfont = new FontInfo(id);
488 currentfont->font = font;
489 GString* idStr = new GString(id);
490 id2font->add(idStr, (void*)currentfont);
493 currentfont = currentfont;
496 currentfont->grow(code+1);
497 if(!currentfont->glyphs[code]) {
498 currentglyph = currentfont->glyphs[code] = new GlyphInfo();
499 currentglyph->unicode = uLen?u[0]:0;
500 currentglyph->path = new SplashPath();
511 void InfoOutputDev::type3D0(GfxState *state, double wx, double wy)
519 void InfoOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
521 currentglyph->x1=llx;
522 currentglyph->y1=lly;
523 currentglyph->x2=urx;
524 currentglyph->y2=ury;
527 void InfoOutputDev::endType3Char(GfxState *state)
529 double x1 = currentglyph->x1;
530 double y1 = currentglyph->y1;
531 double x2 = currentglyph->x2;
532 double y2 = currentglyph->y2;
533 currentglyph->path->moveTo(x1,y1);
534 currentglyph->path->lineTo(x2,y1);
535 currentglyph->path->lineTo(x2,y2);
536 currentglyph->path->lineTo(x1,y2);
537 currentglyph->path->close();
540 void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
541 int width, int height, GBool invert,
544 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
546 OutputDev::drawImageMask(state,ref,str,width,height,invert,inlineImg);
548 void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
549 int width, int height, GfxImageColorMap *colorMap,
550 int *maskColors, GBool inlineImg)
552 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
554 OutputDev::drawImage(state,ref,str,width,height,colorMap,maskColors,inlineImg);
556 void InfoOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
557 int width, int height,
558 GfxImageColorMap *colorMap,
560 int maskWidth, int maskHeight,
563 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
565 OutputDev::drawMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskInvert);
568 void InfoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
569 int width, int height,
570 GfxImageColorMap *colorMap,
572 int maskWidth, int maskHeight,
573 GfxImageColorMap *maskColorMap)
575 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
577 OutputDev::drawSoftMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskColorMap);
580 void InfoOutputDev::dumpfonts(gfxdevice_t*dev)
585 id2font->startIter(&i);
586 while(id2font->getNext(&i, &key, (void**)&font)) {
587 dev->addfont(dev, font->getGfxFont());