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;
250 printf("kerning[%d] = (%d,%d,%d)\n", pos,
251 font->kerning[pos].c1,
252 font->kerning[pos].c2,
253 font->kerning[pos].advance);
258 //int advance = (int)(ptroff_t)m->first->key;
263 static float find_average_glyph_advance(gfxfont_t*f)
268 float*values = (float*)malloc(sizeof(float)*f->num_glyphs);
270 for(t=0;t<f->num_glyphs;t++) {
271 values[t] = f->glyphs[t].advance;
273 float m = medianf(values, f->num_glyphs);
278 gfxfont_t* FontInfo::getGfxFont()
281 this->gfxfont = createGfxFont(this);
282 this->gfxfont->id = strdup(this->id);
283 this->space_char = findSpace(this->gfxfont);
284 this->average_advance = find_average_glyph_advance(this->gfxfont);
286 if(this->space_char>=0) {
287 msg("<debug> Font %s has space char %d (unicode=%d)",
288 this->id, this->space_char,
289 this->gfxfont->glyphs[this->space_char].unicode);
290 } else if(config_addspace) {
291 this->space_char = addSpace(this->gfxfont);
292 msg("<debug> Appending space char to font %s, position %d", this->gfxfont->id, this->space_char);
295 return this->gfxfont;
298 GBool InfoOutputDev::upsideDown() {return gTrue;}
299 GBool InfoOutputDev::useDrawChar() {return gTrue;}
300 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
301 GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
303 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
306 state->transform(crop_x1,crop_y1,&x1,&y1);
307 state->transform(crop_x2,crop_y2,&x2,&y2);
308 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
309 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
314 msg("<verbose> Generating info structure for page %d", pageNum);
316 void InfoOutputDev::endPage()
319 void InfoOutputDev::drawLink(Link *link, Catalog *catalog)
324 /* } else if(!strcmp(key,"fontquality")) {
325 this->config_fontquality = atof(value);
326 if(this->config_fontquality<=1)
327 this->config_fontquality=1;
328 } else if(!strcmp(key,"bigchar")) {
329 this->config_bigchar = atoi(value);
333 double InfoOutputDev::getMaximumFontSize(char*id)
335 FontInfo*info = (FontInfo*)id2font->lookup(id);
337 msg("<error> Unknown font id: %s", id);
340 return info->max_size;
343 char*getFontID(GfxFont*font)
345 Ref*ref = font->getID();
346 GString*gstr = font->getName();
347 char* fname = gstr==0?0:gstr->getCString();
350 if(font->getType() == fontType3) {
351 sprintf(buf, "t3font-%d-%d", ref->num, ref->gen);
353 sprintf(buf, "font-%d-%d", ref->num, ref->gen);
356 sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
361 void InfoOutputDev::updateFont(GfxState *state)
363 GfxFont*font = state->getFont();
368 if(font->getType() == fontType3) {
372 char*id = getFontID(font);
375 currentfont->splash_font = 0;
377 currentfont = (FontInfo*)id2font->lookup(id);
379 currentfont = new FontInfo(id);
380 currentfont->font = font;
381 currentfont->max_size = 0;
382 GString* idStr = new GString(id);
383 id2font->add(idStr, (void*)currentfont);
387 state->setCTM(1.0,0,0,1.0,0,0);
388 splash->updateCTM(state, 0,0,0,0,0,0);
389 state->setTextMat(1.0,0,0,1.0,0,0);
390 state->setFont(font, 1024.0);
391 splash->doUpdateFont(state);
392 currentfont->splash_font = splash->getCurrentFont();
393 if(currentfont->splash_font) {
394 currentfont->ascender = currentfont->splash_font->ascender;
395 currentfont->descender = currentfont->splash_font->descender;
397 currentfont->ascender = currentfont->descender = 0;
403 void InfoOutputDev::fill(GfxState *state)
408 void InfoOutputDev::eoFill(GfxState *state)
413 FontInfo* InfoOutputDev::getFont(char*id)
415 return (FontInfo*)id2font->lookup(id);
418 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
419 double dx, double dy,
420 double originX, double originY,
421 CharCode code, int nBytes, Unicode *u, int uLen)
423 double m11,m21,m12,m22;
424 state->getFontTransMat(&m11, &m12, &m21, &m22);
425 m11 *= state->getHorizScaling();
426 m21 *= state->getHorizScaling();
427 double lenx = sqrt(m11*m11 + m12*m12);
428 double leny = sqrt(m21*m21 + m22*m22);
429 double len = lenx>leny?lenx:leny;
430 if(!currentfont || !currentfont->splash_font) {
433 if(currentfont && currentfont->max_size < len) {
434 currentfont->max_size = len;
439 currentfont->grow(code+1);
440 GlyphInfo*g = currentfont->glyphs[code];
442 g = currentfont->glyphs[code] = new GlyphInfo();
444 currentfont->splash_font->last_advance = -1;
445 g->path = currentfont->splash_font->getGlyphPath(code);
446 g->advance = currentfont->splash_font->last_advance;
449 if(uLen && ((u[0]>=32 && u[0]<g->unicode) || !g->unicode)) {
452 if(currentfont->lastchar>=0 && currentfont->lasty == y) {
453 double xshift = (x - currentfont->lastx);
454 if(xshift>=0 && xshift > g->advance_max) {
455 g->advance_max = xshift;
457 int advance = (int)xshift;
458 if(advance>=0 && advance<g->advance*4 && advance!=currentfont->lastadvance) {
459 int c1 = currentfont->lastchar;
461 dict_t*d = currentfont->kerning[c1];
463 d = currentfont->kerning[c1] = dict_new2(&int_type);
465 mtf_t*k = (mtf_t*)dict_lookup(d, (void*)(ptroff_t)c2);
467 k = mtf_new(&int_type);
468 dict_put(d, (void*)(ptroff_t)c2, k);
470 mtf_increase(k, (void*)(ptroff_t)advance);
474 currentfont->lastx = x;
475 currentfont->lasty = y;
476 currentfont->lastchar = code;
477 currentfont->lastadvance = (int)(g->advance+0.5);
480 GBool InfoOutputDev::beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen)
482 GfxFont*font = state->getFont();
485 if(font->getType() != fontType3)
488 char*id = getFontID(font);
489 currentfont = (FontInfo*)id2font->lookup(id);
491 currentfont = new FontInfo(id);
492 currentfont->font = font;
493 GString* idStr = new GString(id);
494 id2font->add(idStr, (void*)currentfont);
497 currentfont = currentfont;
500 currentfont->grow(code+1);
501 if(!currentfont->glyphs[code]) {
502 currentglyph = currentfont->glyphs[code] = new GlyphInfo();
503 currentglyph->unicode = uLen?u[0]:0;
504 currentglyph->path = new SplashPath();
515 void InfoOutputDev::type3D0(GfxState *state, double wx, double wy)
523 void InfoOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
525 currentglyph->x1=llx;
526 currentglyph->y1=lly;
527 currentglyph->x2=urx;
528 currentglyph->y2=ury;
531 void InfoOutputDev::endType3Char(GfxState *state)
533 double x1 = currentglyph->x1;
534 double y1 = currentglyph->y1;
535 double x2 = currentglyph->x2;
536 double y2 = currentglyph->y2;
537 currentglyph->path->moveTo(x1,y1);
538 currentglyph->path->lineTo(x2,y1);
539 currentglyph->path->lineTo(x2,y2);
540 currentglyph->path->lineTo(x1,y2);
541 currentglyph->path->close();
544 void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
545 int width, int height, GBool invert,
548 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
550 OutputDev::drawImageMask(state,ref,str,width,height,invert,inlineImg);
552 void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
553 int width, int height, GfxImageColorMap *colorMap,
554 int *maskColors, GBool inlineImg)
556 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
558 OutputDev::drawImage(state,ref,str,width,height,colorMap,maskColors,inlineImg);
560 void InfoOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
561 int width, int height,
562 GfxImageColorMap *colorMap,
564 int maskWidth, int maskHeight,
567 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
569 OutputDev::drawMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskInvert);
572 void InfoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
573 int width, int height,
574 GfxImageColorMap *colorMap,
576 int maskWidth, int maskHeight,
577 GfxImageColorMap *maskColorMap)
579 if(str->getKind()==strDCT) num_jpeg_images++; else num_ppm_images++;
581 OutputDev::drawSoftMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskColorMap);
584 void InfoOutputDev::dumpfonts(gfxdevice_t*dev)
589 id2font->startIter(&i);
590 while(id2font->getNext(&i, &key, (void**)&font)) {
591 dev->addfont(dev, font->getGfxFont());