Add font editor from original source

1 files changed, 100 insertions, 0 deletions

diff --git a/font/packer.c b/font/packer.c
new file mode 100644
index 0000000..db57b1a
--- /dev/null
+++ b/font/packer.c
@@ -0,0 +1,100 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#define CELLW	12
+#define CELLH	10
+
+char xsize=CELLW, ysize=CELLH;
+char base=7, top=2;
+char font[256][CELLH][CELLW];
+char width[256];
+
+int bits_n = 0, bits_a = 0;
+int flush_bits(void)
+{
+    if(bits_n) {
+	bits_a >>= 8-bits_n;
+	printf("0x%02X, ", bits_a);
+	bits_a = 0;
+	bits_n = 0;
+	return 1;
+    }
+    return 0;
+}
+int stock_bits(int b, int nb)
+{
+    bits_a >>= nb;
+    bits_a |= b << (8-nb);
+    bits_n += nb;
+    if(bits_n >= 8) {
+	printf("0x%02X, ", bits_a);
+	bits_a = 0;
+	bits_n = 0;
+	return 1;
+    }
+    return 0;
+}
+
+int save_char(int c)
+{
+    int nb = 1;
+    int x, y;
+
+    if(!width[c])
+	return 0;
+
+    printf("    0x%02X, ", width[c]);
+
+    for(y=0; y<CELLH; y++)
+	for(x=0; x<width[c]; x++)
+	    nb += stock_bits(font[c][y][x]&3, 2);
+    nb += flush_bits();
+
+    printf("\n");
+
+    return nb;
+}
+
+char *tag = "(c) 2008 Stanislaw Skowronek";
+
+int main(int argc, char *argv[])
+{
+    FILE *f;
+    int c, p[256], n = 0;
+
+    memset(p, 0, 256*4);
+
+    f = fopen("font.bin", "r");
+    fread(&xsize, 1, 1, f);
+    fread(&ysize, 1, 1, f);
+    fread(&base, 1, 1, f);
+    fread(&top, 1, 1, f);
+    fread(width, 1, 256, f);
+    fread(font, CELLW*CELLH, 256, f);
+    fclose(f);
+
+    printf("#define FONT_H %d\n", ysize);
+
+    printf("char font_data[] = {\n");
+    for(c=0; c<256; c++) {
+	p[c] = n;
+	n += save_char(c);
+    }
+    printf("};\n");
+
+    printf("short font_ptrs[] = {\n");
+    for(c=0; c<256; c++) {
+	if(!(c%8))
+	    printf("    ");
+	printf("0x%04X,", p[c]);
+	if((c%8)==7)
+	    printf("\n");
+	else
+	    printf(" ");
+    }
+    printf("};\n");
+
+    return 0;
+}