Initial support for adding fonts at run-time. Currently we only support

[sgt/halibut] / psdata.c

diff --git a/psdata.c b/psdata.c
index f1d72cd..68ee58c 100644 (file)
--- a/psdata.c
+++ b/psdata.c
@@ -3,6 +3,7 @@
  * formats.
  */
 
+#include <assert.h>
 #include "halibut.h"
 #include "paper.h"
 
@@ -4086,6 +4087,35 @@ static const struct ps_std_font_data {
     }},
 };
 
+void init_std_fonts(void) {
+    int i, j;
+    kern_pair const *kern;
+    static int done = FALSE;
+
+    if (done) return;
+    for (i = 0; i < (int)lenof(ps_std_fonts); i++) {
+       font_info *fi = snew(font_info);
+       fi->name = ps_std_fonts[i].name;
+       fi->nglyphs = lenof(ps_std_glyphs) - 1;
+       fi->glyphs = ps_std_glyphs;
+       fi->widths = ps_std_fonts[i].widths;
+       fi->kerns = newtree234(kern_cmp);
+       for (kern = ps_std_fonts[i].kerns; kern->left != 0xFFFF; kern++)
+           add234(fi->kerns, (void *)kern);
+       for (j = 0; j < (int)lenof(fi->bmp); j++)
+           fi->bmp[j] = 0xFFFF;
+       for (j = 0; j < fi->nglyphs; j++) {
+           wchar_t ucs;
+           ucs = ps_glyph_to_unicode(fi->glyphs[j]);
+           assert(ucs != 0xFFFF);
+           fi->bmp[ucs] = j;
+       }
+       fi->next = all_fonts;
+       all_fonts = fi;
+    }
+    done = TRUE;
+}
+
 const int *ps_std_font_widths(char const *fontname)
 {
     int i;