fix for rendering w/o user clip boxes
[swftools.git] / lib / pdf / GFXOutputDev.cc
index b8cc3f4..46e9c26 100644 (file)
@@ -97,8 +97,6 @@ static int fontnum = 0;
 
 /* config */
 
-static char* lastfontdir = 0;
-
 struct fontentry {
     const char*pdffont;
     const char*filename;
@@ -155,21 +153,14 @@ GFXOutputGlobals*gfxglobals=0;
 
 GFXOutputGlobals::GFXOutputGlobals()
 {
-    this->pages = 0;
-    this->pagebuflen = 0;
-    this->pagepos = 0;
     this->featurewarnings = 0;
     this->jpeginfo = 0;
     this->textmodeinfo = 0;
     this->linkinfo = 0;
     this->pbminfo = 0;
-    this->gfxfontlist = gfxfontlist_create();
 }
 GFXOutputGlobals::~GFXOutputGlobals()
 {
-    if(this->pages) {
-       free(this->pages); this->pages = 0;
-    }
     feature_t*f = this->featurewarnings;
     while(f) {
        feature_t*next = f->next;
@@ -181,8 +172,6 @@ GFXOutputGlobals::~GFXOutputGlobals()
        f = next;
     }
     this->featurewarnings = 0;
-
-    gfxfontlist_free(this->gfxfontlist, 1);this->gfxfontlist = 0;
 }
 
 void GFXOutputDev::showfeature(const char*feature, char fully, char warn)
@@ -425,6 +414,14 @@ char* fontconfig_searchForFont(char*name)
             config_use_fontconfig = 0;
             return 0;
         }
+
+        /* add external fonts to fontconfig's config, too. */
+        fontfile_t*fd = global_fonts;
+        while(fd) {
+            FcConfigAppFontAddFile(config, (FcChar8*)fd->filename);
+            fd = fd->next;
+        }
+
        FcFontSet * set =  FcConfigGetFonts(config, FcSetSystem);
         msg("<verbose> FontConfig initialized. Found %d fonts", set?set->nfont:0);
        if(!set || !set->nfont) {
@@ -533,7 +530,9 @@ DisplayFontParam *GFXGlobalParams::getDisplayFont(GString *fontName)
     
     int bestlen = 0x7fffffff;
     const char*bestfilename = 0;
-    
+   
+#ifndef HAVE_FONTCONFIG
+    /* if we don't have fontconfig, try a simple filename-comparison approach */
     fontfile_t*f = global_fonts;
     while(f) {
        if(strstr(f->filename, name)) {
@@ -544,6 +543,7 @@ DisplayFontParam *GFXGlobalParams::getDisplayFont(GString *fontName)
         }
         f = f->next;
     }
+#endif
 
     /* if we didn't find anything up to now, try looking for the
        font via fontconfig */
@@ -555,6 +555,7 @@ DisplayFontParam *GFXGlobalParams::getDisplayFont(GString *fontName)
     }
 
     if(filename) {
+        msg("<verbose> Font %s maps to %s\n", name, filename);
        DisplayFontParamKind kind = detectFontType(filename);
         DisplayFontParam *dfp = new DisplayFontParam(new GString(fontName), kind);
        if(kind == displayFontTT) {
@@ -588,6 +589,7 @@ GFXOutputDev::GFXOutputDev(InfoOutputDev*info, PDFDoc*doc)
     this->user_clipy1 = 0;
     this->user_clipx2 = 0;
     this->user_clipy2 = 0;
+    this->current_fontinfo = 0;
     this->current_text_stroke = 0;
     this->current_text_clip = 0;
     this->outer_clip_box = 0;
@@ -597,10 +599,11 @@ GFXOutputDev::GFXOutputDev(InfoOutputDev*info, PDFDoc*doc)
     this->config_remapunicode=0;
     this->config_transparent=0;
     this->config_extrafontdata = 0;
-    this->config_fontquality = 10;
     this->config_optimize_polygons = 0;
     this->config_multiply = 1;
     this->dashPattern = 0;
+    this->page2page = 0;
+    this->num_pages = 0;
   
     memset(states, 0, sizeof(states));
 };
@@ -623,14 +626,7 @@ void GFXOutputDev::setParameter(const char*key, const char*value)
             this->config_multiply=1;
     } else if(!strcmp(key,"optimize_polygons")) {
         this->config_optimize_polygons = atoi(value);
-    } else if(!strcmp(key,"bigchar")) {
-        this->config_bigchar = atoi(value);
-    } else if(!strcmp(key,"fontquality")) {
-        this->config_fontquality = atof(value);
-       if(this->config_fontquality<=1)
-           this->config_fontquality=1;
     }
-    
 }
   
 void GFXOutputDev::setDevice(gfxdevice_t*dev)
@@ -777,6 +773,13 @@ static void dumpFontInfo(const char*loglevel, GfxFont*font)
 
 void dump_outline(gfxline_t*line)
 {
+    /*gfxbbox_t*r = gfxline_isrectangle(line);
+    if(!r)
+        printf("is not a rectangle\n");
+    else
+        printf("is a rectangle: (%f,%f)-(%f-%f)\n", r->xmin, r->ymin, r->xmax, r->ymax);
+    */
+
     while(line) {
        if(line->type == gfx_moveTo) {
            msg("<debug> |     moveTo %.2f %.2f", line->x,line->y);
@@ -1294,7 +1297,6 @@ char* makeStringPrintable(char*str)
     tmp_printstr[len] = 0;
     return tmp_printstr;
 }
-#define INTERNAL_FONT_SIZE 1024.0
 void GFXOutputDev::updateFontMatrix(GfxState*state)
 {
     double* ctm = state->getCTM();
@@ -1537,6 +1539,11 @@ void GFXOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, doubl
         /*if(user_clipy1 > y1)*/ y1 = user_clipy1;
         /*if(user_clipy2 < y2)*/ y2 = user_clipy2;
        msg("<verbose> Using user clip box %f/%f/%f/%f",x1,y1,x2,y2);
+    } else {
+        x1 += this->clipmovex;
+        y1 += this->clipmovey;
+        x2 += this->clipmovex;
+        y2 += this->clipmovey;
     }
 
     //msg("<verbose> Bounding box is (%f,%f)-(%f,%f) [shifted by %d/%d]", x1,y1,x2,y2, user_movex, user_movey);
@@ -1625,7 +1632,8 @@ void GFXOutputDev::processLink(Link *link, Catalog *catalog)
             LinkDest *dest=NULL;
             if (ha->getDest()==NULL) 
                 dest=catalog->findDest(ha->getNamedDest());
-            else dest=ha->getDest();
+            else 
+                dest=ha->getDest()->copy();
             if (dest){ 
               if (dest->isPageRef()){
                 Ref pageref=dest->getPageRef();
@@ -1634,6 +1642,7 @@ void GFXOutputDev::processLink(Link *link, Catalog *catalog)
               else  page=dest->getPageNum();
               sprintf(buf, "%d", page);
               s = strdup(buf);
+              delete dest;
             }
         }
         break;
@@ -1672,8 +1681,9 @@ void GFXOutputDev::processLink(Link *link, Catalog *catalog)
                     }
                     else if(strstr(s, "last") || strstr(s, "end"))
                     {
-                       if(gfxglobals->pages && gfxglobals->pagepos>0)
-                           page = gfxglobals->pages[gfxglobals->pagepos-1];
+                        if(this->page2page && this->num_pages) {
+                           page = this->page2page[this->num_pages-1];
+                        }
                     }
                     else if(strstr(s, "first") || strstr(s, "top"))
                     {
@@ -1727,19 +1737,19 @@ void GFXOutputDev::processLink(Link *link, Catalog *catalog)
         gfxglobals->linkinfo = 1;
     }
     
-    if(page>0)
-    {
+    if(page>0) {
         int t;
        int lpage = -1;
-        for(t=1;t<=gfxglobals->pagepos;t++) {
-            if(gfxglobals->pages[t]==page) {
+        for(t=1;t<=this->num_pages;t++) {
+            if(this->page2page[t]==page) {
                lpage = t;
                 break;
            }
        }
         if(lpage<0) {
            lpage = page;
-       }
+        }
+
        char buf[80];
        sprintf(buf, "page%d", lpage);
        device->drawlink(device, points, buf);
@@ -1814,6 +1824,12 @@ void GFXOutputDev::updateLineDash(GfxState *state)
         this->dashPattern = p;
     }
 }
+  
+void GFXOutputDev::setPageMap(int*page2page, int num_pages)
+{
+    this->page2page = page2page;
+    this->num_pages = num_pages;
+}
 
 void GFXOutputDev::updateLineWidth(GfxState *state)
 {
@@ -1871,95 +1887,6 @@ void GFXOutputDev::updateStrokeColor(GfxState *state)
     state->getStrokeRGB(&rgb);
 }
 
-
-gfxfont_t* GFXOutputDev::createGfxFont(GfxFont*xpdffont, FontInfo*src)
-{
-    gfxfont_t*font = (gfxfont_t*)malloc(sizeof(gfxfont_t));
-    memset(font, 0, sizeof(gfxfont_t));
-
-    font->glyphs = (gfxglyph_t*)malloc(sizeof(gfxglyph_t)*src->num_glyphs);
-    memset(font->glyphs, 0, sizeof(gfxglyph_t)*src->num_glyphs);
-    font->id = 0;
-    int t;
-
-    double quality = (INTERNAL_FONT_SIZE * 200 / config_fontquality) / src->max_size;
-    double scale = 1;
-    //printf("%d glyphs\n", font->num_glyphs);
-    font->num_glyphs = 0;
-    font->ascent = fabs(src->descender);
-    font->descent = fabs(src->ascender);
-    
-    for(t=0;t<src->num_glyphs;t++) {
-       if(src->glyphs[t]) {
-           SplashPath*path = src->glyphs[t]->path;
-           int len = path?path->getLength():0;
-           //printf("glyph %d) %08x (%d line segments)\n", t, path, len);
-           gfxglyph_t*glyph = &font->glyphs[font->num_glyphs];
-           src->glyphs[t]->glyphid = font->num_glyphs;
-           glyph->unicode = src->glyphs[t]->unicode;
-           if(glyph->unicode >= font->max_unicode)
-               font->max_unicode = glyph->unicode+1;
-           gfxdrawer_t drawer;
-           gfxdrawer_target_gfxline(&drawer);
-           int s;
-           int count = 0;
-           double xmax = 0;
-           for(s=0;s<len;s++) {
-               Guchar f;
-               double x, y;
-               path->getPoint(s, &x, &y, &f);
-               if(!s || x > xmax)
-                   xmax = x;
-               if(f&splashPathFirst) {
-                   drawer.moveTo(&drawer, x*scale, y*scale);
-               }
-               if(f&splashPathCurve) {
-                   double x2,y2;
-                   path->getPoint(++s, &x2, &y2, &f);
-                   if(f&splashPathCurve) {
-                       double x3,y3;
-                       path->getPoint(++s, &x3, &y3, &f);
-                       gfxdraw_cubicTo(&drawer, x*scale, y*scale, x2*scale, y2*scale, x3*scale, y3*scale, quality);
-                   } else {
-                       drawer.splineTo(&drawer, x*scale, y*scale, x2*scale, y2*scale);
-                   }
-               } else {
-                   drawer.lineTo(&drawer, x*scale, y*scale);
-               }
-            //   printf("%f %f %s %s\n", x, y, (f&splashPathCurve)?"curve":"",
-            //                           (f&splashPathFirst)?"first":"",
-            //                           (f&splashPathLast)?"last":"");
-           }
-
-           glyph->line = (gfxline_t*)drawer.result(&drawer);
-           if(src->glyphs[t]->advance>0) {
-               glyph->advance = src->glyphs[t]->advance;
-           } else {
-               msg("<warning> Approximating advance value for glyph %d", t);
-               glyph->advance = xmax*scale;
-           }
-           if(this->config_bigchar) {
-               double max = src->glyphs[t]->advance_max;
-               if(max>0 && max > glyph->advance) {
-                   glyph->advance = max;
-               }
-           }
-
-           font->num_glyphs++;
-       }
-    }
-    font->unicode2glyph = (int*)malloc(sizeof(int)*font->max_unicode);
-    memset(font->unicode2glyph, -1, sizeof(int)*font->max_unicode);
-    for(t=0;t<font->num_glyphs;t++) {
-       if(font->glyphs[t].unicode>0 && font->glyphs[t].unicode<font->max_unicode) {
-           font->unicode2glyph[font->glyphs[t].unicode] = t;
-       }
-
-    }
-    msg("<trace> %d glyphs.", t, font->num_glyphs);
-    return font;
-}
-
 void GFXOutputDev::updateFont(GfxState *state) 
 {
     GfxFont* gfxFont = state->getFont();
@@ -1980,6 +1907,7 @@ void GFXOutputDev::updateFont(GfxState *state)
     }
 
     this->current_fontinfo = this->info->getFont(id);
+
     if(!this->current_fontinfo) {
        msg("<error> Internal Error: no fontinfo for font %s", id);
        return;
@@ -1987,16 +1915,9 @@ void GFXOutputDev::updateFont(GfxState *state)
     if(!this->current_fontinfo->seen) {
        dumpFontInfo("<verbose>", gfxFont);
     }
-    
-    gfxfont_t*font = gfxfontlist_findfont(gfxglobals->gfxfontlist,id);
-    if(!font) {
-       font = this->createGfxFont(gfxFont, current_fontinfo);
-        font->id = strdup(id);
-       gfxglobals->gfxfontlist = gfxfontlist_addfont(gfxglobals->gfxfontlist, font);
-    }
-    device->addfont(device, font);
 
-    current_gfxfont = font;
+    current_gfxfont = this->current_fontinfo->getGfxFont();
+    device->addfont(device, current_gfxfont);
     free(id);
 
     updateFontMatrix(state);
@@ -2541,7 +2462,7 @@ void addGlobalFont(const char*filename)
     }
     f->len = len;
 
-    msg("<notice> Adding font \"%s\".", filename);
+    msg("<verbose> Adding font \"%s\".", filename);
     if(global_fonts_next) {
         global_fonts_next->next = f;
         global_fonts_next = global_fonts_next->next;
@@ -2572,14 +2493,13 @@ void addGlobalLanguageDir(const char*dir)
 void addGlobalFontDir(const char*dirname)
 {
 #ifdef HAVE_DIRENT_H
-    msg("<notice> Adding %s to font directories", dirname);
-    lastfontdir = strdup(dirname);
     DIR*dir = opendir(dirname);
     if(!dir) {
        msg("<warning> Couldn't open directory %s", dirname);
        return;
     }
     struct dirent*ent;
+    int fonts = 0;
     while(1) {
        ent = readdir (dir);
        if (!ent) 
@@ -2603,40 +2523,16 @@ void addGlobalFontDir(const char*dirname)
             strcat(fontname, dirseparator());
            strcat(fontname, name);
            addGlobalFont(fontname);
+            fonts++;
        }
     }
+    msg("<notice> Added %s to font directories (%d fonts)", dirname, fonts);
     closedir(dir);
 #else
-    msg("<warning> No dirent.h- unable to add font dir %s", dirname);
+    msg("<warning> No dirent.h");
 #endif
 }
 
-void GFXOutputDev::preparePage(int pdfpage, int outputpage)
-{
-    if(pdfpage < 0)
-       return;
-
-    if(!gfxglobals->pages) {
-       gfxglobals->pagebuflen = 1024;
-       if(pdfpage > gfxglobals->pagebuflen)
-           gfxglobals->pagebuflen = pdfpage+1;
-       gfxglobals->pages = (int*)malloc(gfxglobals->pagebuflen*sizeof(int));
-       memset(gfxglobals->pages, -1, gfxglobals->pagebuflen*sizeof(int));
-    }
-
-    while(pdfpage >= gfxglobals->pagebuflen)
-    {
-       int oldlen = gfxglobals->pagebuflen;
-       gfxglobals->pagebuflen+=1024;
-       gfxglobals->pages = (int*)realloc(gfxglobals->pages, gfxglobals->pagebuflen*sizeof(int));
-       memset(&gfxglobals->pages[oldlen], -1, (gfxglobals->pagebuflen-oldlen)*sizeof(int));
-    }
-
-    gfxglobals->pages[pdfpage] = outputpage;
-    if(pdfpage > gfxglobals->pagepos)
-       gfxglobals->pagepos = pdfpage;
-}
-
 void GFXOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
                                      GfxColorSpace *blendingColorSpace,
                                      GBool isolated, GBool knockout,