if there's an ID overflow, output a blank page.

diff --git a/pdf2swf/swfoutput.cc b/pdf2swf/swfoutput.cc
index 728b2b2..4aefdf0 100644 (file)
--- a/pdf2swf/swfoutput.cc
+++ b/pdf2swf/swfoutput.cc
@@ -59,6 +59,7 @@ struct fontlist_t
     fontlist_t*next;
 };
 
+double config_dumpfonts=0;
 double config_ppmsubpixels=0;
 double config_jpegsubpixels=0;
 int config_opennewwindow=1;
@@ -713,6 +714,9 @@ static void putcharacter(struct swfoutput*obj, int fontid, int charid, int x,int
    If we set it to low, however, the char positions will be inaccurate */
 #define FONT_INTERNAL_SIZE 4
 
+static int font_active = 0;
+static char* font_active_filename = 0;
+
 /* process a character. */
 static int drawchar(struct swfoutput*obj, SWFFONT *swffont, char*character, int charnr, int u, swfmatrix*m, gfxcolor_t*col)
 {
@@ -723,6 +727,16 @@ static int drawchar(struct swfoutput*obj, SWFFONT *swffont, char*character, int
     }
 
     int charid = getCharID(swffont, charnr, character, u); 
+    if(font_active) {
+       char buf[1024];
+       sprintf(buf, "%s.usage", font_active_filename);
+       FILE*fi = fopen(buf, "ab+");
+       if(fi) {
+            fprintf(fi, "%d %d %d %s\n", charnr, u, charid, character);
+            fclose(fi);
+       } else 
+           msg("<error> Couldn't write to %s", buf);
+    }
     
     if(charid<0) {
        msg("<warning> Didn't find character '%s' (c=%d,u=%d) in current charset (%s, %d characters)", 
@@ -866,11 +880,11 @@ int getCharID(SWFFONT *font, int charnr, char *charname, int u)
     return -1;
 }
 
-
 /* set's the t1 font index of the font to use for swfoutput_drawchar(). */
 void swfoutput_setfont(struct swfoutput*obj, char*fontid, char*filename)
 {
     swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+    font_active = 0;
     fontlist_t*last=0,*iterator;
     if(!fontid) {
        msg("<error> No fontid");
@@ -902,6 +916,11 @@ void swfoutput_setfont(struct swfoutput*obj, char*fontid, char*filename)
     swf_SetLoadFontParameters(64,/*skip unused*/0,/*full unicode*/1);
     SWFFONT*swffont = swf_LoadFont(filename);
 
+    if(config_dumpfonts) {
+       font_active = 1;
+       font_active_filename = strdup(filename);
+    }
+
     if(swffont == 0) {
        msg("<warning> Couldn't load font %s (%s)", fontid, filename);
        swffont = swf_LoadFont(0);
@@ -927,6 +946,10 @@ void swfoutput_setfont(struct swfoutput*obj, char*fontid, char*filename)
             swffont->encoding = 255;
         }
     }
+    
+    if(swffont->encoding != FONT_ENCODING_UNICODE && swffont->encoding != 255) {
+       msg("<warning> Non-unicode mapping for font %s (%s)", fontid, filename);
+    }
 
     swf_FontSetID(swffont, getNewID(obj));
     
@@ -1374,6 +1397,21 @@ static void endshape(swfoutput*obj)
     }*/
 }
 
+void wipeSWF(SWF*swf)
+{
+    TAG*tag = swf->firstTag;
+    while(tag) {
+       TAG*next = tag->next;
+       if(tag->id != ST_SETBACKGROUNDCOLOR &&
+          tag->id != ST_END &&
+          tag->id != ST_SHOWFRAME) {
+           swf_DeleteTag(tag);
+       }
+       tag = next;
+    }
+}
+
+
 void swfoutput_finalize(struct swfoutput*obj)
 {
     swfoutput_internal*i = (swfoutput_internal*)obj->internal;
@@ -1431,20 +1469,6 @@ void swfoutput_getdimensions(struct swfoutput*obj, int*x1, int*y1, int*x2, int*y
     if(y2) *y2 = i->swf.movieSize.ymax/20;
 }
 
-void wipeSWF(SWF*swf)
-{
-    TAG*tag = swf->firstTag;
-    while(tag) {
-       TAG*next = tag->next;
-       if(tag->id != ST_SETBACKGROUNDCOLOR &&
-          tag->id != ST_END &&
-          tag->id != ST_SHOWFRAME) {
-           swf_DeleteTag(tag);
-       }
-       tag = next;
-    }
-}
-
 int swfoutput_save(struct swfoutput* obj, char*filename) 
 {
     swfoutput_internal*i = (swfoutput_internal*)obj->internal;
@@ -1977,6 +2001,8 @@ void swfoutput_setparameter(char*name, char*value)
        config_minlinewidth = atof(value);
     } else if(!strcmp(name, "caplinewidth")) {
        config_caplinewidth = atof(value);
+    } else if(!strcmp(name, "dumpfonts")) {
+       config_dumpfonts = atoi(value);
     } else if(!strcmp(name, "jpegquality")) {
        int val = atoi(value);
        if(val<0) val=0;