diff options
Diffstat (limited to 'Plugins/rgbavg.c')
| -rw-r--r-- | Plugins/rgbavg.c | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/Plugins/rgbavg.c b/Plugins/rgbavg.c new file mode 100644 index 0000000..c903ab1 --- /dev/null +++ b/Plugins/rgbavg.c @@ -0,0 +1,654 @@ +// 242.rgbavg -- does funky pixel averaging on an input image. +// by r. luke dubois (luke@music.columbia.edu), +// computer music center, columbia university, 2001. +// +// Pd / Framestein port by Olaf Matthes <olaf.matthes@gmx.de>, June 2002 +// +// objects and source are provided without warranty of any kind, express or implied. +// +// usage: rgbavg <red> <green> <blue> <mode> +// + +#include <stdio.h> +#include <string.h> +#include <math.h> +#include "plugin.h" + +#pragma warning( disable : 4761 ) // that's why it's funky !! + +void perform_effect(struct frame f, struct args a) +{ + short x,y; + long red, green, blue; + short alpha, mode = 0; + byte bits = f.pixelformat/8; + long redpix, greenpix, bluepix; + pixel16 *c16; + pixel24 *c24; + pixel32 *c32; + char *t; + + // get params + if(!a.s) return; + red = atoi(a.s); + if(!(t = strstr(a.s, " "))) return; + green = atoi(t+1); + if(!(t = strstr(t+1, " "))) return; + blue = atoi(t+1); + if(!(t = strstr(t+1, " "))) return; + mode = atoi(t+1); // mode=0 = bypass + + printf("rgbavg: %d %d %d - %d\n", red, green, blue, mode); + + // perform routines do different pixel averagings in the main loop + switch (mode) + { + case 1: // output: color / (sum of other two colors) + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + red; + greenpix = g16(c16[x]) + green; + bluepix = b16(c16[x]) + blue; + c16[x] = rgbtocolor16(klamp255(redpix/(greenpix+bluepix)), + klamp255(greenpix/(redpix+bluepix)), + klamp255(bluepix/(redpix+greenpix))); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + red; + greenpix = g24(c24[x]) + green; + bluepix = b24(c24[x]) + blue; + c24[x] = rgbtocolor24(klamp255(redpix/(greenpix+bluepix)), + klamp255(greenpix/(redpix+bluepix)), + klamp255(bluepix/(redpix+greenpix))); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + red; + greenpix = g32(c32[x]) + green; + bluepix = b32(c32[x]) + blue; + c32[x] = rgbtocolor32(klamp255(redpix/(greenpix+bluepix)), + klamp255(greenpix/(redpix+bluepix)), + klamp255(bluepix/(redpix+greenpix))); + } + } + break; + } + break; + case 2: // output: (sum of two colors) / third color + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + red; + greenpix = g16(c16[x]) + green; + bluepix = b16(c16[x]) + blue; + c16[x] = rgbtocolor16(klamp255((greenpix+bluepix)/redpix), + klamp255((redpix+bluepix)/greenpix), + klamp255((redpix+greenpix)/bluepix)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + red; + greenpix = g24(c24[x]) + green; + bluepix = b24(c24[x]) + blue; + c24[x] = rgbtocolor24(klamp255((greenpix+bluepix)/redpix), + klamp255((redpix+bluepix)/greenpix), + klamp255((redpix+greenpix)/bluepix)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + red; + greenpix = g32(c32[x]) + green; + bluepix = b32(c32[x]) + blue; + c32[x] = rgbtocolor32(klamp255((greenpix+bluepix)/redpix), + klamp255((redpix+bluepix)/greenpix), + klamp255((redpix+greenpix)/bluepix)); + } + } + break; + } + break; + case 3: // output: color / (sum of other two colors) + color(input) + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255(redpix/(greenpix+bluepix) + red), + klamp255(greenpix/(redpix+bluepix) + green), + klamp255(bluepix/(redpix+greenpix) + blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255(redpix/(greenpix+bluepix) + red), + klamp255(greenpix/(redpix+bluepix) + green), + klamp255(bluepix/(redpix+greenpix) + blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255(redpix/(greenpix+bluepix) + red), + klamp255(greenpix/(redpix+bluepix) + green), + klamp255(bluepix/(redpix+greenpix) + blue)); + } + } + break; + } + break; + case 4: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255(((greenpix*green)+(bluepix*blue))/redpix), + klamp255(((redpix*red)+(bluepix*blue))/greenpix), + klamp255(((redpix*red)+(greenpix*green))/bluepix)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255(((greenpix*green)+(bluepix*blue))/redpix), + klamp255(((redpix*red)+(bluepix*blue))/greenpix), + klamp255(((redpix*red)+(greenpix*green))/bluepix)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255(((greenpix*green)+(bluepix*blue))/redpix), + klamp255(((redpix*red)+(bluepix*blue))/greenpix), + klamp255(((redpix*red)+(greenpix*green))/bluepix)); + } + } + break; + } + break; + case 5: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255(((greenpix*green)+(bluepix*blue))/(redpix*red)), + klamp255(((redpix*red)+(bluepix*blue))/(greenpix*green)), + klamp255(((redpix*red)+(greenpix*green))/(bluepix*blue))); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255(((greenpix*green)+(bluepix*blue))/(redpix*red)), + klamp255(((redpix*red)+(bluepix*blue))/(greenpix*green)), + klamp255(((redpix*red)+(greenpix*green))/(bluepix*blue))); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255(((greenpix*green)+(bluepix*blue))/(redpix*red)), + klamp255(((redpix*red)+(bluepix*blue))/(greenpix*green)), + klamp255(((redpix*red)+(greenpix*green))/(bluepix*blue))); + } + } + break; + } + break; + case 6: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255((redpix*red)/(greenpix*green)+(bluepix*blue)), + klamp255((greenpix*green)/(redpix*red)+(bluepix*blue)), + klamp255((bluepix*blue)/(redpix*red)+(greenpix*green))); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255((redpix*red)/(greenpix*green)+(bluepix*blue)), + klamp255((greenpix*green)/(redpix*red)+(bluepix*blue)), + klamp255((bluepix*blue)/(redpix*red)+(greenpix*green))); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255((redpix*red)/(greenpix*green)+(bluepix*blue)), + klamp255((greenpix*green)/(redpix*red)+(bluepix*blue)), + klamp255((bluepix*blue)/(redpix*red)+(greenpix*green))); + } + } + break; + } + break; + case 7: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + red; + greenpix = g16(c16[x]) + green; + bluepix = b16(c16[x]) + blue; + c16[x] = rgbtocolor16(klamp255((redpix/(greenpix+bluepix))*red), + klamp255((greenpix/(redpix+bluepix))*green), + klamp255((bluepix/(redpix+greenpix))*blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + red; + greenpix = g24(c24[x]) + green; + bluepix = b24(c24[x]) + blue; + c24[x] = rgbtocolor24(klamp255((redpix/(greenpix+bluepix))*red), + klamp255((greenpix/(redpix+bluepix))*green), + klamp255((bluepix/(redpix+greenpix))*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + red; + greenpix = g32(c32[x]) + green; + bluepix = b32(c32[x]) + blue; + c32[x] = rgbtocolor32(klamp255((redpix/(greenpix+bluepix))*red), + klamp255((greenpix/(redpix+bluepix))*green), + klamp255((bluepix/(redpix+greenpix))*blue)); + } + } + break; + } + break; + case 8: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + red; + greenpix = g16(c16[x]) + green; + bluepix = b16(c16[x]) + blue; + c16[x] = rgbtocolor16(klamp255(((greenpix+bluepix)/redpix)*red), + klamp255(((redpix+bluepix)/greenpix)*green), + klamp255(((redpix+greenpix)/bluepix)*blue)); + + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + red; + greenpix = g24(c24[x]) + green; + bluepix = b24(c24[x]) + blue; + c24[x] = rgbtocolor24(klamp255(((greenpix+bluepix)/redpix)*red), + klamp255(((redpix+bluepix)/greenpix)*green), + klamp255(((redpix+greenpix)/bluepix)*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + red; + greenpix = g32(c32[x]) + green; + bluepix = b32(c32[x]) + blue; + c32[x] = rgbtocolor32(klamp255(((greenpix+bluepix)/redpix)*red), + klamp255(((redpix+bluepix)/greenpix)*green), + klamp255(((redpix+greenpix)/bluepix)*blue)); + } + } + break; + } + break; + case 9: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255((red + ((greenpix+bluepix)/redpix))*red), + klamp255((green + ((redpix+bluepix)/greenpix))*green), + klamp255((blue + ((redpix+greenpix)/bluepix))*blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255((red + ((greenpix+bluepix)/redpix))*red), + klamp255((green + ((redpix+bluepix)/greenpix))*green), + klamp255((blue + ((redpix+greenpix)/bluepix))*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255((red + ((greenpix+bluepix)/redpix))*red), + klamp255((green + ((redpix+bluepix)/greenpix))*green), + klamp255((blue + ((redpix+greenpix)/bluepix))*blue)); + } + } + break; + } + break; + case 10: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255((((greenpix*green)+(bluepix*blue))/redpix)*red), + klamp255((((redpix*red)+(bluepix*blue))/greenpix)*green), + klamp255((((redpix*red)+(greenpix*green))/bluepix)*blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255((((greenpix*green)+(bluepix*blue))/redpix)*red), + klamp255((((redpix*red)+(bluepix*blue))/greenpix)*green), + klamp255((((redpix*red)+(greenpix*green))/bluepix)*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255((((greenpix*green)+(bluepix*blue))/redpix)*red), + klamp255((((redpix*red)+(bluepix*blue))/greenpix)*green), + klamp255((((redpix*red)+(greenpix*green))/bluepix)*blue)); + } + } + break; + } + break; + case 11: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255((((greenpix*green)+(bluepix*blue))/(redpix*red))*red), + klamp255((((redpix*red)+(bluepix*blue))/(greenpix*green))*green), + klamp255((((redpix*red)+(greenpix*green))/(bluepix*blue))*blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255((((greenpix*green)+(bluepix*blue))/(redpix*red))*red), + klamp255((((redpix*red)+(bluepix*blue))/(greenpix*green))*green), + klamp255((((redpix*red)+(greenpix*green))/(bluepix*blue))*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255((((greenpix*green)+(bluepix*blue))/(redpix*red))*red), + klamp255((((redpix*red)+(bluepix*blue))/(greenpix*green))*green), + klamp255((((redpix*red)+(greenpix*green))/(bluepix*blue))*blue)); + } + } + break; + } + break; + case 12: + switch (f.pixelformat) + { + case 16: + for(y = 0; y < f.height; y++) + { + c16 = scanline16(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r16(c16[x]) + 1; + greenpix = g16(c16[x]) + 1; + bluepix = b16(c16[x]) + 1; + c16[x] = rgbtocolor16(klamp255(((redpix*red)/(greenpix*green)+(bluepix*blue))*red), + klamp255(((greenpix*green)/(redpix*red)+(bluepix*blue))*green), + klamp255(((bluepix*blue)/(redpix*red)+(greenpix*green))*blue)); + } + } + break; + case 24: + for(y = 0; y < f.height; y++) + { + c24 = scanline24(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r24(c24[x]) + 1; + greenpix = g24(c24[x]) + 1; + bluepix = b24(c24[x]) + 1; + c24[x] = rgbtocolor24(klamp255(((redpix*red)/(greenpix*green)+(bluepix*blue))*red), + klamp255(((greenpix*green)/(redpix*red)+(bluepix*blue))*green), + klamp255(((bluepix*blue)/(redpix*red)+(greenpix*green))*blue)); + } + } + break; + case 32: + for(y = 0; y < f.height; y++) + { + c32 = scanline32(f, y); + for(x = 0; x < f.width; x++) + { + redpix = r32(c32[x]) + 1; + greenpix = g32(c32[x]) + 1; + bluepix = b32(c32[x]) + 1; + c32[x] = rgbtocolor32(klamp255(((redpix*red)/(greenpix*green)+(bluepix*blue))*red), + klamp255(((greenpix*green)/(redpix*red)+(bluepix*blue))*green), + klamp255(((bluepix*blue)/(redpix*red)+(greenpix*green))*blue)); + } + } + break; + } + break; + } + +} + +void perform_copy(struct frame f1, struct frame f2, struct args a) +{ + printf("Using rgbavg as copy operation does nothing!\n"); +} |