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GNU Unifont 15.1.05
Pan-Unicode font with complete Unicode Plane 0 coverage and partial coverage of higher planes
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unihexgen - Generate a series of glyphs containing hexadecimal code points More...
#include <stdio.h>#include <stdlib.h>
Go to the source code of this file.
Functions | |
| int | main (int argc, char *argv[]) |
| The main function. | |
| void | hexprint4 (int thiscp) |
| Generate a bitmap containing a 4-digit Unicode code point. | |
| void | hexprint6 (int thiscp) |
| Generate a bitmap containing a 6-digit Unicode code point. | |
Variables | |
| char | hexdigit [16][5] |
| Bitmap pattern for each hexadecimal digit. | |
unihexgen - Generate a series of glyphs containing hexadecimal code points
This program generates glyphs in Unifont .hex format that contain four- or six-digit hexadecimal numbers in a 16x16 pixel area. These are rendered as white digits on a black background.
argv[1] is the starting code point (as a hexadecimal string, with no leading "0x".
argv[2] is the ending code point (as a hexadecimal string, with no leading "0x".
For example: unihexgen e000 f8ff > pua.hex This generates the Private Use Area glyph file.
This utility program works in Roman Czyborra's unifont.hex file format, the basis of the GNU Unifont package.
Definition in file unihexgen.c.
| void hexprint4 | ( | int | thiscp | ) |
Generate a bitmap containing a 4-digit Unicode code point.
Takes a 4-digit Unicode code point as an argument and prints a unifont.hex string for it to stdout.
| [in] | thiscp | The current code point for which to generate a glyph. |
Definition at line 160 of file unihexgen.c.

| void hexprint6 | ( | int | thiscp | ) |
Generate a bitmap containing a 6-digit Unicode code point.
Takes a 6-digit Unicode code point as an argument and prints a unifont.hex string for it to stdout.
| [in] | thiscp | The current code point for which to generate a glyph. |
Definition at line 223 of file unihexgen.c.

| int main | ( | int | argc, |
| char * | argv[] | ||
| ) |
The main function.
| [in] | argc | The count of command line arguments. |
| [in] | argv | Pointer to array of command line arguments (code point range). |
Definition at line 112 of file unihexgen.c.

| char hexdigit[16][5] |
Bitmap pattern for each hexadecimal digit.
hexdigit[][] definition: the bitmap pattern for each hexadecimal digit.
Each digit is drawn as a 4 wide by 5 high bitmap, so each digit row is one hexadecimal digit, and each entry has 5 rows.
For example, the entry for digit 1 is:
{0x2,0x6,0x2,0x2,0x7},
which corresponds graphically to:
–#- ==> 0010 ==> 0x2 -##- ==> 0110 ==> 0x6 –#- ==> 0010 ==> 0x2 –#- ==> 0010 ==> 0x2 -### ==> 0111 ==> 0x7
These row values will then be exclusive-ORed with four one bits (binary 1111, or 0xF) to form white digits on a black background.
Functions hexprint4 and hexprint6 share the hexdigit array; they print four-digit and six-digit hexadecimal code points in a single glyph, respectively.
Definition at line 84 of file unihexgen.c.