diff options
Diffstat (limited to '')
-rw-r--r-- | bin/scheme.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/bin/scheme.c b/bin/scheme.c index 63dfd11d..1bd1cea0 100644 --- a/bin/scheme.c +++ b/bin/scheme.c @@ -27,7 +27,11 @@ typedef unsigned uint; typedef unsigned char byte; -static const struct HSV { double h, s, v; } +struct HSV { + double h, s, v; +}; + +static const struct HSV R = { 0.0, 1.0, 1.0 }, Y = { 60.0, 1.0, 1.0 }, G = { 120.0, 1.0, 1.0 }, @@ -35,7 +39,11 @@ static const struct HSV { double h, s, v; } B = { 240.0, 1.0, 1.0 }, M = { 300.0, 1.0, 1.0 }; -static struct RGB { byte r, g, b; } toRGB(struct HSV hsv) { +struct RGB { + byte r, g, b; +}; + +static struct RGB rgb(struct HSV hsv) { double c = hsv.v * hsv.s; double h = hsv.h / 60.0; double x = c * (1.0 - fabs(fmod(h, 2.0) - 1.0)); @@ -59,21 +67,9 @@ static struct HSV x(struct HSV o, double hd, double sf, double vf) { } enum { - Black, - Red, - Green, - Yellow, - Blue, - Magenta, - Cyan, - White, - Dark = 0, - Light = 8, - Background = 16, - Foreground, - Bold, - Selection, - Cursor, + Black, Red, Green, Yellow, Blue, Magenta, Cyan, White, + Dark = 0, Light = 8, + Background = 16, Foreground, Bold, Selection, Cursor, SchemeLen, }; static struct HSV scheme[SchemeLen]; @@ -117,8 +113,10 @@ static void printHSV(uint n) { } static void printRGB(uint n) { - struct RGB rgb = toRGB(scheme[n]); - printf("%02hhX%02hhX%02hhX\n", rgb.r, rgb.g, rgb.b); + printf( + "%02hhX%02hhX%02hhX\n", + rgb(scheme[n]).r, rgb(scheme[n]).g, rgb(scheme[n]).b + ); } static const char *CNames[SchemeLen] = { @@ -148,16 +146,20 @@ static void printCHead(void) { printf("enum {\n"); } static void printC(uint n) { - struct RGB rgb = toRGB(scheme[n]); - printf("\t%s = 0x%02hhX%02hhX%02hhX,\n", CNames[n], rgb.r, rgb.g, rgb.b); + printf( + "\t%s = 0x%02hhX%02hhX%02hhX,\n", + CNames[n], rgb(scheme[n]).r, rgb(scheme[n]).g, rgb(scheme[n]).b + ); } static void printCTail(void) { printf("};\n"); } static void printLinux(uint n) { - struct RGB rgb = toRGB(scheme[n]); - printf("\x1B]P%X%02hhX%02hhX%02hhX", n, rgb.r, rgb.g, rgb.b); + printf( + "\x1B]P%X%02hhX%02hhX%02hhX", + n, rgb(scheme[n]).r, rgb(scheme[n]).g, rgb(scheme[n]).b + ); } static const char *MinttyNames[SchemeLen] = { @@ -183,8 +185,10 @@ static const char *MinttyNames[SchemeLen] = { }; static void printMintty(uint n) { if (!MinttyNames[n]) return; - struct RGB rgb = toRGB(scheme[n]); - printf("%s=%hhd,%hhd,%hhd\n", MinttyNames[n], rgb.r, rgb.g, rgb.b); + printf( + "%s=%hhu,%hhu,%hhu\n", + MinttyNames[n], rgb(scheme[n]).r, rgb(scheme[n]).g, rgb(scheme[n]).b + ); } static void png(uint at, uint to) { @@ -200,11 +204,11 @@ static void png(uint at, uint to) { pngHead(stdout, width, height, 8, PNGIndexed); - struct RGB rgb[len]; + struct RGB pal[len]; for (uint i = 0; i < len; ++i) { - rgb[i] = toRGB(scheme[at + i]); + pal[i] = rgb(scheme[at + i]); } - pngPalette(stdout, (byte *)rgb, sizeof(rgb)); + pngPalette(stdout, (byte *)pal, sizeof(pal)); uint8_t data[height][1 + width]; memset(data, 0, sizeof(data)); @@ -222,7 +226,7 @@ static void png(uint at, uint to) { pngTail(stdout); } -static void print(void (*fn)(uint), uint at, uint to) { +static void print(void fn(uint), uint at, uint to) { for (uint i = at; i < to; ++i) { fn(i); } |