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;
86 if(this->id) {free(this->id);this->id=0;}
89 for(t=0;t<num_glyphs;t++) {
91 delete glyphs[t]->path;glyphs[t]->path = 0;
96 free(glyphs);glyphs=0;
98 gfxfont_free(this->gfxfont);
101 for(t=0;t<num_glyphs;t++) {
102 dict_t* d = kerning[t];
104 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;
127 static int addSpace(gfxfont_t*font)
129 /* first, make sure the new space char is the only char that'll use unicode 32 */
131 for(t=0;t<font->num_glyphs;t++) {
132 if(font->glyphs[t].unicode==32)
133 font->glyphs[t].unicode=0;
136 font->glyphs = (gfxglyph_t*)realloc(font->glyphs, sizeof(gfxglyph_t)*font->num_glyphs);
137 gfxglyph_t*g = &font->glyphs[font->num_glyphs-1];
138 memset(g, 0, sizeof(*g));
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*)rfx_calloc(sizeof(gfxfont_t));
153 font->glyphs = (gfxglyph_t*)malloc(sizeof(gfxglyph_t)*src->num_glyphs);
154 memset(font->glyphs, 0, sizeof(gfxglyph_t)*src->num_glyphs);
158 double quality = (INTERNAL_FONT_SIZE * 200 / config_fontquality) / src->max_size;
160 //printf("%d glyphs\n", font->num_glyphs);
161 font->num_glyphs = 0;
162 font->ascent = fabs(src->ascender);
163 font->descent = fabs(src->descender);
165 for(t=0;t<src->num_glyphs;t++) {
167 SplashPath*path = src->glyphs[t]->path;
168 int len = path?path->getLength():0;
169 //printf("glyph %d) %08x (%d line segments)\n", t, path, len);
170 gfxglyph_t*glyph = &font->glyphs[font->num_glyphs];
171 src->glyphs[t]->glyphid = font->num_glyphs;
172 glyph->unicode = src->glyphs[t]->unicode;
174 gfxdrawer_target_gfxline(&drawer);
181 path->getPoint(s, &x, &y, &f);
184 if(f&splashPathFirst) {
185 drawer.moveTo(&drawer, x*scale, y*scale);
187 if(f&splashPathCurve) {
189 path->getPoint(++s, &x2, &y2, &f);
190 if(f&splashPathCurve) {
192 path->getPoint(++s, &x3, &y3, &f);
193 gfxdraw_cubicTo(&drawer, x*scale, y*scale, x2*scale, y2*scale, x3*scale, y3*scale, quality);
195 drawer.splineTo(&drawer, x*scale, y*scale, x2*scale, y2*scale);
198 drawer.lineTo(&drawer, x*scale, y*scale);
200 // printf("%f %f %s %s\n", x, y, (f&splashPathCurve)?"curve":"",
201 // (f&splashPathFirst)?"first":"",
202 // (f&splashPathLast)?"last":"");
205 glyph->line = (gfxline_t*)drawer.result(&drawer);
206 if(src->glyphs[t]->advance>0) {
207 glyph->advance = src->glyphs[t]->advance;
209 glyph->advance = xmax*scale;
212 double max = src->glyphs[t]->advance_max;
213 if(max>0 && max > glyph->advance) {
214 glyph->advance = max;
222 int kerning_size = 0;
223 for(t=0;t<src->num_glyphs;t++) {
224 dict_t* d = src->kerning[t];
226 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
232 font->kerning_size = kerning_size;
233 font->kerning = (gfxkerning_t*)malloc(sizeof(gfxkerning_t)*kerning_size);
235 for(t=0;t<src->num_glyphs;t++) {
236 dict_t* d = src->kerning[t];
238 DICT_ITERATE_ITEMS(d,void*,key,mtf_t*,m) {
240 font->kerning[pos].c1 = src->glyphs[t]->glyphid;
241 font->kerning[pos].c2 = src->glyphs[(int)(ptroff_t)key]->glyphid;
242 font->kerning[pos].advance = (int)(ptroff_t)m->first->key;
247 //int advance = (int)(ptroff_t)m->first->key;
252 static float find_average_glyph_advance(gfxfont_t*f)
257 float*values = (float*)malloc(sizeof(float)*f->num_glyphs);
259 for(t=0;t<f->num_glyphs;t++) {
260 values[t] = f->glyphs[t].advance;
262 float m = medianf(values, f->num_glyphs);
267 gfxfont_t* FontInfo::getGfxFont()
270 this->gfxfont = createGfxFont(this);
271 this->gfxfont->id = strdup(this->id);
272 this->space_char = findSpace(this->gfxfont);
273 this->average_advance = find_average_glyph_advance(this->gfxfont);
275 if(this->space_char>=0) {
276 msg("<debug> Font %s has space char %d (unicode=%d)",
277 this->id, this->space_char,
278 this->gfxfont->glyphs[this->space_char].unicode);
279 } else if(config_addspace) {
280 this->space_char = addSpace(this->gfxfont);
281 msg("<debug> Appending space char to font %s, position %d, width %f", this->gfxfont->id, this->space_char, this->gfxfont->glyphs[this->space_char].advance);
283 gfxfont_fix_unicode(this->gfxfont);
285 return this->gfxfont;
288 GBool InfoOutputDev::upsideDown() {return gTrue;}
289 GBool InfoOutputDev::useDrawChar() {return gTrue;}
290 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
291 GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
293 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
296 state->transform(crop_x1,crop_y1,&x1,&y1);
297 state->transform(crop_x2,crop_y2,&x2,&y2);
298 if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
299 if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
304 msg("<verbose> Generating info structure for page %d", pageNum);
306 void InfoOutputDev::endPage()
309 void InfoOutputDev::drawLink(Link *link, Catalog *catalog)
314 /* } else if(!strcmp(key,"fontquality")) {
315 this->config_fontquality = atof(value);
316 if(this->config_fontquality<=1)
317 this->config_fontquality=1;
318 } else if(!strcmp(key,"bigchar")) {
319 this->config_bigchar = atoi(value);
323 double InfoOutputDev::getMaximumFontSize(char*id)
325 FontInfo*info = (FontInfo*)id2font->lookup(id);
327 msg("<error> Unknown font id: %s", id);
330 return info->max_size;
333 char*getFontID(GfxFont*font)
335 Ref*ref = font->getID();
336 GString*gstr = font->getName();
337 char* fname = gstr==0?0:gstr->getCString();
340 if(font->getType() == fontType3) {
341 sprintf(buf, "t3font-%d-%d", ref->num, ref->gen);
343 sprintf(buf, "font-%d-%d", ref->num, ref->gen);
346 sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
351 void InfoOutputDev::updateFont(GfxState *state)
353 GfxFont*font = state->getFont();
358 if(font->getType() == fontType3) {
362 char*id = getFontID(font);
365 currentfont->splash_font = 0;
367 currentfont = (FontInfo*)id2font->lookup(id);
369 currentfont = new FontInfo(id);
370 currentfont->font = font;
371 currentfont->max_size = 0;
372 GString* idStr = new GString(id);
373 id2font->add(idStr, (void*)currentfont);
377 state->setCTM(1.0,0,0,1.0,0,0);
378 splash->updateCTM(state, 0,0,0,0,0,0);
379 state->setTextMat(1.0,0,0,1.0,0,0);
380 state->setFont(font, 1024.0);
381 splash->doUpdateFont(state);
382 currentfont->splash_font = splash->getCurrentFont();
383 if(currentfont->splash_font) {
384 currentfont->ascender = currentfont->splash_font->ascender;
385 currentfont->descender = currentfont->splash_font->descender;
387 currentfont->ascender = currentfont->descender = 0;
393 void InfoOutputDev::fill(GfxState *state)
398 void InfoOutputDev::eoFill(GfxState *state)
403 FontInfo* InfoOutputDev::getFont(char*id)
405 return (FontInfo*)id2font->lookup(id);
408 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
409 double dx, double dy,
410 double originX, double originY,
411 CharCode code, int nBytes, Unicode *u, int uLen)
413 double m11,m21,m12,m22;
414 state->getFontTransMat(&m11, &m12, &m21, &m22);
415 m11 *= state->getHorizScaling();
416 m21 *= state->getHorizScaling();
417 double lenx = sqrt(m11*m11 + m12*m12);
418 double leny = sqrt(m21*m21 + m22*m22);
419 double len = lenx>leny?lenx:leny;
420 if(!currentfont || !currentfont->splash_font) {
423 if(currentfont && currentfont->max_size < len) {
424 currentfont->max_size = len;
429 currentfont->grow(code+1);
430 GlyphInfo*g = currentfont->glyphs[code];
432 g = currentfont->glyphs[code] = new GlyphInfo();
434 currentfont->splash_font->last_advance = -1;
435 g->path = currentfont->splash_font->getGlyphPath(code);
436 g->advance = currentfont->splash_font->last_advance;
439 if(uLen && ((u[0]>=32 && u[0]<g->unicode) || !g->unicode)) {
442 if(currentfont->lastchar>=0 && currentfont->lasty == y) {
443 double xshift = (x - currentfont->lastx);
444 if(xshift>=0 && xshift > g->advance_max) {
445 g->advance_max = xshift;
447 int advance = (int)xshift;
448 if(advance>=0 && advance<g->advance*4 && advance!=currentfont->lastadvance) {
449 int c1 = currentfont->lastchar;
451 dict_t*d = currentfont->kerning[c1];
453 d = currentfont->kerning[c1] = dict_new2(&int_type);
455 mtf_t*k = (mtf_t*)dict_lookup(d, (void*)(ptroff_t)c2);
457 k = mtf_new(&int_type);
458 dict_put(d, (void*)(ptroff_t)c2, k);
460 mtf_increase(k, (void*)(ptroff_t)advance);
464 currentfont->lastx = x;
465 currentfont->lasty = y;
466 currentfont->lastchar = code;
467 currentfont->lastadvance = (int)(g->advance+0.5);
470 GBool InfoOutputDev::beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen)
472 GfxFont*font = state->getFont();
475 if(font->getType() != fontType3)
478 char*id = getFontID(font);
479 currentfont = (FontInfo*)id2font->lookup(id);
481 currentfont = new FontInfo(id);
482 currentfont->font = font;
483 GString* idStr = new GString(id);
484 id2font->add(idStr, (void*)currentfont);
487 currentfont = currentfont;
490 currentfont->grow(code+1);
491 if(!currentfont->glyphs[code]) {
492 currentglyph = currentfont->glyphs[code] = new GlyphInfo();
493 currentglyph->unicode = uLen?u[0]:0;
494 currentglyph->path = new SplashPath();
499 currentglyph->advance=dx;
506 void InfoOutputDev::type3D0(GfxState *state, double wx, double wy)
514 void InfoOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
516 if(-lly>currentfont->descender)
517 currentfont->descender = -lly;
518 if(ury>currentfont->ascender)
519 currentfont->ascender = 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());