ref: ea02f33e211dd71a435d3c008cb102244110f5e1
parent: e071b935a6af5f98c9d1fd17e0ab36e7bf9c5335
author: Ali Gholami Rudi <ali@rudi.ir>
date: Tue Jul 30 11:05:44 EDT 2013
font: move functions for reading sections closer to font_open()
--- a/font.c
+++ b/font.c
@@ -36,6 +36,52 @@
return g ? g - fn->glyphs : -1;
}
+/*
+ * Given a list of characters in the reverse order, font_lig()
+ * returns the number of characters from the beginning of this
+ * list that form a ligature in this font. Zero naturally means
+ * no ligature was matched.
+ */
+int font_lig(struct font *fn, char **c, int n)
+{+ int i;
+ /* concatenated characters in c[], in the correct order */
+ char s[GNLEN * 2] = "";
+ /* b[i] is the number of character of c[] in s + i */
+ int b[GNLEN * 2] = {0};+ int len = 0;
+ for (i = 0; i < n; i++) {+ char *cur = c[n - i - 1];
+ b[len] = n - i;
+ strcpy(s + len, cur);
+ len += strlen(cur);
+ }
+ for (i = 0; i < fn->nlig; i++) {+ int l = strlen(fn->lig[i]);
+ if (b[len - l] && !strcmp(s + len - l, fn->lig[i]))
+ if (font_find(fn, fn->lig[i]))
+ return b[len - l];
+ }
+ return 0;
+}
+
+/* return pairwise kerning value between c1 and c2 */
+int font_kern(struct font *fn, char *c1, char *c2)
+{+ int i1, i2, i;
+ i1 = font_idx(fn, font_find(fn, c1));
+ i2 = font_idx(fn, font_find(fn, c2));
+ if (i1 < 0 || i2 < 0)
+ return 0;
+ i = fn->knhead[i1];
+ while (i >= 0) {+ if (fn->knpair[i] == i2)
+ return fn->knval[i];
+ i = fn->knnext[i];
+ }
+ return 0;
+}
+
static int font_section(struct font *fn, FILE *fin, char *name);
static void font_charset(struct font *fn, FILE *fin)
@@ -111,52 +157,6 @@
return 0;
}
return 1;
-}
-
-/*
- * Given a list of characters in the reverse order, font_lig()
- * returns the number of characters from the beginning of this
- * list that form a ligature in this font. Zero naturally means
- * no ligature was matched.
- */
-int font_lig(struct font *fn, char **c, int n)
-{- int i;
- /* concatenated characters in c[], in the correct order */
- char s[GNLEN * 2] = "";
- /* b[i] is the number of character of c[] in s + i */
- int b[GNLEN * 2] = {0};- int len = 0;
- for (i = 0; i < n; i++) {- char *cur = c[n - i - 1];
- b[len] = n - i;
- strcpy(s + len, cur);
- len += strlen(cur);
- }
- for (i = 0; i < fn->nlig; i++) {- int l = strlen(fn->lig[i]);
- if (b[len - l] && !strcmp(s + len - l, fn->lig[i]))
- if (font_find(fn, fn->lig[i]))
- return b[len - l];
- }
- return 0;
-}
-
-/* return pairwise kerning value between c1 and c2 */
-int font_kern(struct font *fn, char *c1, char *c2)
-{- int i1, i2, i;
- i1 = font_idx(fn, font_find(fn, c1));
- i2 = font_idx(fn, font_find(fn, c2));
- if (i1 < 0 || i2 < 0)
- return 0;
- i = fn->knhead[i1];
- while (i >= 0) {- if (fn->knpair[i] == i2)
- return fn->knval[i];
- i = fn->knnext[i];
- }
- return 0;
}
struct font *font_open(char *path)