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| author | June McEnroe <june@causal.agency> | 2018-10-02 12:19:48 -0400 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2018-10-02 12:19:48 -0400 |
| commit | eee7dfd3c97e9e6a8193e4ff54235bc813abb3bc (patch) | |
| tree | e0509ed9bd602cb5533e952f87d31592d98aa2a9 | |
| parent | Add some '80s music notes (diff) | |
| download | src-eee7dfd3c97e9e6a8193e4ff54235bc813abb3bc.tar.gz src-eee7dfd3c97e9e6a8193e4ff54235bc813abb3bc.zip | |
Allow setting colors in psf2png
| -rw-r--r-- | bin/man/psf2png.1 | 14 | ||||
| -rw-r--r-- | bin/psf2png.c | 15 |
2 files changed, 26 insertions, 3 deletions
diff --git a/bin/man/psf2png.1 b/bin/man/psf2png.1 index bbabd484..288834dc 100644 --- a/bin/man/psf2png.1 +++ b/bin/man/psf2png.1 @@ -8,7 +8,9 @@ . .Sh SYNOPSIS .Nm +.Op Fl b Ar bg .Op Fl c Ar cols +.Op Fl f Ar fg .Op Fl s Ar str .Op Ar file . @@ -23,11 +25,23 @@ on standard output. .Pp The arguments are as follows: .Bl -tag -width Ds +.It Fl b Ar bg +Use +.Ar bg +(hexadecimal RGB) +as background color. +The default background color is black. .It Fl c Ar cols Arrange glyphs in .Ar cols columns. The default number of columns is 32. +.It Fl f Ar fg +Use +.Ar fg +(hexadecimal RGB) +as foreground color. +The default foreground color is white. .It Fl s Ar str Render glyphs for string .Ar str diff --git a/bin/psf2png.c b/bin/psf2png.c index eee4e1a9..0ff3c9ac 100644 --- a/bin/psf2png.c +++ b/bin/psf2png.c @@ -43,11 +43,15 @@ static void pngChunk(const char *type, uint32_t size) { int main(int argc, char *argv[]) { uint32_t cols = 32; const char *str = NULL; + uint32_t fg = 0xFFFFFF; + uint32_t bg = 0x000000; int opt; - while (0 < (opt = getopt(argc, argv, "c:s:"))) { + while (0 < (opt = getopt(argc, argv, "b:c:f:s:"))) { switch (opt) { + break; case 'b': bg = strtoul(optarg, NULL, 16); break; case 'c': cols = strtoul(optarg, NULL, 0); + break; case 'f': fg = strtoul(optarg, NULL, 16); break; case 's': str = optarg; break; default: return EX_USAGE; } @@ -97,7 +101,12 @@ int main(int argc, char *argv[]) { pngChunk("IHDR", 13); pngInt(width); pngInt(height); - pngWrite("\x08\x00\x00\x00\x00", 5); + pngWrite("\x08\x03\x00\x00\x00", 5); + pngInt(crc); + + pngChunk("PLTE", 6); + pngWrite((uint8_t[]) { bg >> 16, bg >> 8, bg }, 3); + pngWrite((uint8_t[]) { fg >> 16, fg >> 8, fg }, 3); pngInt(crc); uint8_t data[height][1 + width]; @@ -110,7 +119,7 @@ int main(int argc, char *argv[]) { for (uint32_t y = 0; y < header.glyph.height; ++y) { for (uint32_t x = 0; x < header.glyph.width; ++x) { uint8_t bit = glyphs[g][y][x / 8] >> (7 - x % 8) & 1; - data[row + y][col + x] = -bit; + data[row + y][col + x] = bit; } } } |