From c1669600af7a1d05c8b5280b71466fd6dae54ea2 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Thu, 13 Apr 2006 12:44:55 +0000
Subject: [PATCH]   * Some cleaning up in makefont.c.

---
 tools/makefont.c | 131 +++++++++++++++++++++++++----------------------
 1 file changed, 70 insertions(+), 61 deletions(-)

diff --git a/tools/makefont.c b/tools/makefont.c
index 9f8578c..f2cbd38 100644
--- a/tools/makefont.c
+++ b/tools/makefont.c
@@ -46,52 +46,9 @@ static int const blocklist[] =
     0, 0
 };
 
-static int printf_hex(char const *fmt, uint8_t *data, int bytes)
-{
-    char buf[BUFSIZ];
-    char *parser = buf;
-    int rewind = 0; /* we use this variable to rewind 2 bytes after \000
-                     * was printed when the next char starts with "\", too. */
-
-    while(bytes--)
-    {
-        uint8_t c = *data++;
-        if(c == '\\' || c == '"')
-        {
-            parser -= rewind;
-            parser += sprintf(parser, "\\%c", c);
-            rewind = 0;
-        }
-        else if(c >= 0x20 && c < 0x7f)
-        {
-            parser += sprintf(parser, "%c", c);
-            rewind = 0;
-        }
-        else
-        {
-            parser -= rewind;
-            parser += sprintf(parser, "\\%.03o", c);
-            rewind = c ? 0 : 2;
-        }
-    }
-
-    parser -= rewind;
-    parser[0] = '\0';
-
-    return printf(fmt, buf);
-}
-
-static int printf_u32(char const *fmt, uint32_t i)
-{
-    uint32_t ni = htonl(i);
-    return printf_hex(fmt, (uint8_t *)&ni, 4);
-}
-
-static int printf_u16(char const *fmt, uint16_t i)
-{
-    uint16_t ni = htons(i);
-    return printf_hex(fmt, (uint8_t *)&ni, 2);
-}
+static int printf_hex(char const *, uint8_t *, int);
+static int printf_u32(char const *, uint32_t);
+static int printf_u16(char const *, uint16_t);
 
 int main(void)
 {
@@ -105,9 +62,15 @@ int main(void)
     int width, height, b, i, n, blocks, glyphs, data_bytes;
     uint8_t *glyph_data;
 
+    int bpp = BPP;
+    int dpi = DPI;
+    char const *font = FONT;
+
+    fprintf(stderr, "Font \"%s\", %i dpi, %i bpp\n", font, dpi, bpp);
+
     /* Initialise Pango */
     fm = pango_ft2_font_map_new();
-    pango_ft2_font_map_set_resolution(PANGO_FT2_FONT_MAP(fm), DPI, DPI);
+    pango_ft2_font_map_set_resolution(PANGO_FT2_FONT_MAP(fm), dpi, dpi);
     cx = pango_ft2_font_map_create_context(PANGO_FT2_FONT_MAP(fm));
 
     l = pango_layout_new(cx);
@@ -117,7 +80,7 @@ int main(void)
         return -1;
     }
 
-    fd = pango_font_description_from_string(FONT);
+    fd = pango_font_description_from_string(font);
     pango_layout_set_font_description(l, fd);
     pango_font_description_free(fd);
 
@@ -134,7 +97,7 @@ int main(void)
     pango_layout_get_extents(l, NULL, &r);
     width = PANGO_PIXELS(r.width);
     height = PANGO_PIXELS(r.height);
-    data_bytes = ((width * height) + (8 / BPP) - 1) / (8 / BPP);
+    data_bytes = ((width * height) + (8 / bpp) - 1) / (8 / bpp);
     glyph_data = malloc(data_bytes);
 
     /* Compute blocks and glyphs count */
@@ -149,7 +112,7 @@ int main(void)
     /* Let's go! */
     printf("/* libcucul font file\n");
     printf(" * \"%s\": %i dpi, %i bpp, %ix%i glyphs\n",
-           FONT, DPI, BPP, width, height);
+           font, dpi, bpp, width, height);
     printf(" * Automatically generated by tools/makefont.c */\n");
     printf("\n");
 
@@ -164,7 +127,7 @@ int main(void)
     printf_u16("\"%s\" /* version */\n", 1);
     printf_u16("\"%s\" /* blocks */\n", blocks);
     printf_u32("\"%s\" /* glyphs */\n", glyphs);
-    printf_u16("\"%s\" /* bpp */\n", BPP);
+    printf_u16("\"%s\" /* bpp */\n", bpp);
     printf_u16("\"%s\" /* width */\n", width);
     printf_u16("\"%s\" /* height */\n", height);
     printf_u16("\"%s\" /* flags */\n", 1);
@@ -235,14 +198,9 @@ int main(void)
             printf("/* U+%.04X: \"", i);
 
             if(i < 0x20 || (i >= 0x80 && i <= 0xa0))
-                printf("\\x%.02x\" (", i);
+                printf("\\x%.02x\" */", i);
             else
-                printf("%s\" (", buf);
-
-            for(x = 0; x < bytes; x++)
-                printf("%s0x%.02X", x ? " " : "", (unsigned char)buf[x]);
-
-            printf(") */\n");
+                printf("%s\" */ ", buf);
 
             /* Render glyph on a bitmap */
             pango_layout_set_text(l, buf, -1);
@@ -258,9 +216,9 @@ int main(void)
                 {
                     uint8_t pixel = img.buffer[y * img.pitch + x];
 
-                    pixel >>= (8 - BPP);
-                    glyph_data[n / 8] |= pixel << (8 - BPP - (n % 8));
-                    n += BPP;
+                    pixel >>= (8 - bpp);
+                    glyph_data[n / 8] |= pixel << (8 - bpp - (n % 8));
+                    n += bpp;
                 }
             }
             printf_hex("\"%s\"\n", glyph_data, data_bytes);
@@ -274,3 +232,54 @@ int main(void)
     return 0;
 }
 
+/*
+ * XXX: the following functions are local
+ */
+
+static int printf_u32(char const *fmt, uint32_t i)
+{
+    uint32_t ni = htonl(i);
+    return printf_hex(fmt, (uint8_t *)&ni, 4);
+}
+
+static int printf_u16(char const *fmt, uint16_t i)
+{
+    uint16_t ni = htons(i);
+    return printf_hex(fmt, (uint8_t *)&ni, 2);
+}
+
+static int printf_hex(char const *fmt, uint8_t *data, int bytes)
+{
+    char buf[BUFSIZ];
+    char *parser = buf;
+    int rewind = 0; /* we use this variable to rewind 2 bytes after \000
+                     * was printed when the next char starts with "\", too. */
+
+    while(bytes--)
+    {
+        uint8_t c = *data++;
+        if(c == '\\' || c == '"')
+        {
+            parser -= rewind;
+            parser += sprintf(parser, "\\%c", c);
+            rewind = 0;
+        }
+        else if(c >= 0x20 && c < 0x7f)
+        {
+            parser += sprintf(parser, "%c", c);
+            rewind = 0;
+        }
+        else
+        {
+            parser -= rewind;
+            parser += sprintf(parser, "\\%.03o", c);
+            rewind = c ? 0 : 2;
+        }
+    }
+
+    parser -= rewind;
+    parser[0] = '\0';
+
+    return printf(fmt, buf);
+}
+