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Diffstat (limited to 'Plugins/fromage.c')
| -rw-r--r-- | Plugins/fromage.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/Plugins/fromage.c b/Plugins/fromage.c new file mode 100644 index 0000000..0c8b48a --- /dev/null +++ b/Plugins/fromage.c @@ -0,0 +1,191 @@ +// 242.fromage -- does cheezy wipes between two input images. +// 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: fromage <x> <y> <columns> <rows> <flip> +// + +#include <stdio.h> +#include <string.h> +#include "plugin.h" + +void perform_effect(struct frame f, struct args a) +{ + printf("Using fromage as effect does nothing!\n"); +} + +void perform_copy(struct frame f1, struct frame f2, struct args a) +{ + short x, y, w, h, wf, hf, x_c, y_c, c, r, columns, rows, checky, checkx, flip = 0; + pixel16 *pix1_16, *pix2_16; + pixel24 *pix1_24, *pix2_24; + pixel32 *pix1_32, *pix2_32; + char *t; + + // get params + if(!a.s) return; + x_c = atoi(a.s); + if(!(t = strstr(a.s, " "))) return; + y_c = atoi(t+1); + if(!(t = strstr(t+1, " "))) return; + columns = atoi(t+1); + if(!(t = strstr(t+1, " "))) return; + rows = atoi(t+1); + if(!(t = strstr(t+1, " "))) return; + flip = atoi(t+1); + + printf("fromage: x%d y%d c%d r%d - f%d\n", x_c, y_c, columns, rows, flip); + + // calculate size we need to process + wf = f1.width<f2.width ? f1.width : f2.width; + hf = f1.height<f2.height ? f1.height : f2.height; + + w = wf / columns; // set column width + h = hf / rows; // set row height + + switch(f1.pixelformat) + { + case 16: + for(r = 0; r < (rows + 1); r++) + { + for(y = r * h; y < h * (r + 1); y++) + { + pix1_16 = scanline16(f1, y); + pix2_16 = scanline16(f2, y); + + if(y >= hf) continue; + + if(y < (y_c + (r * h))) // occlude or don't occlude + { + checky = 1; + } + else + { + checky = 0; + } + if(flip) checky = !checky; + + for(c = 0; c < (columns + 1); c++) + { + for(x = c * w; x < w * (c + 1); x++) + { + if (x >= wf) continue; + + if(x < (x_c + (c * w))) // occlude or don't occlude + { + checkx = 1; + } + else + { + checkx = 0; + } + if(flip) checkx = !checkx; + + if (checkx || checky) + { + pix2_16[x] = pix1_16[x]; // set output1 + } + } + } + + } + } + break; + case 24: + for(r = 0; r < (rows + 1); r++) + { + for(y = r * h; y < h * (r + 1); y++) + { + pix1_24 = scanline24(f1, y); + pix2_24 = scanline24(f2, y); + + if(y >= hf) continue; + + if(y < (y_c + (r*h))) // occlude or don't occlude + { + checky = 1; + } + else + { + checky = 0; + } + if(flip) checky = !checky; + + for(c = 0; c < (columns + 1); c++) + { + for(x = c * w; x < w * (c + 1); x++) + { + if (x >= wf) continue; + + if(x < (x_c + (c * w))) // occlude or don't occlude + { + checkx = 1; + } + else + { + checkx = 0; + } + if(flip) checkx = !checkx; + + if (checkx || checky) + { + pix2_24[x] = pix1_24[x]; // set output2 + } + } + } + + } + } + break; + case 32: + for(r = 0; r < (rows + 1); r++) + { + for(y = r * h; y < h * (r + 1); y++) + { + pix1_32 = scanline32(f1, y); + pix2_32 = scanline32(f2, y); + + if(y >= hf) continue; + + if(y < (y_c + (r * h))) // occlude or don't occlude + { + checky = 1; + } + else + { + checky = 0; + } + if(flip) checky = !checky; + + for(c = 0; c < (columns + 1); c++) + { + for(x = c * w; x < w * (c + 1); x++) + { + if (x >= wf) continue; + + if(x < (x_c + (c * w))) // occlude or don't occlude + { + checkx = 1; + } + else + { + checkx = 0; + } + if(flip) checkx = !checkx; + + if (checkx || checky) + { + pix2_32[x] = pix1_32[x]; // set output2 + } + } + } + + } + } + break; + } +} |