135 lines
2.7 KiB
C
135 lines
2.7 KiB
C
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/*
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* glitch.c - new sept 2014 - MYRYS
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "tthimage.h"
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/*::------------------------------------------------------------------::*/
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int Image_GlitchMe(Image_Desc *src, Image_Desc *dst, char code,
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int k1, char *txt1)
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{
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int foo;
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#if DEBUG_LEVEL
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fprintf(stderr, "%s ( %p %p %d '%s' )\n", __func__, src, dst, k1, txt1);
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#endif
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switch (code)
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{
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case 'x' :
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foo = Image_Glitch_xor(src, dst, k1);
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break;
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case 's' :
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foo = Image_Glitch_simple(src, dst, k1);
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break;
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default :
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abort();
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break;
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "%s -> %d\n", __func__, foo);
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#endif
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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int Image_Glitch_xor(Image_Desc *src, Image_Desc *dst, int k)
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{
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int foo;
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int nbre;
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int x, y, d, v;
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int r, g, b;
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if ( (foo=Image_compare_desc(src, dst)) )
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{
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fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
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return foo;
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}
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for (nbre=0; nbre<k; nbre++)
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{
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x = rand() % src->width;
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y = rand() % src->height;
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d = rand() & 3;
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Image_getRGB(src, x, y, &r, &g, &b);
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switch (d)
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{
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case 0:
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for (v=0; v<x; v++)
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Image_XOR_pixel(dst, v, y, r, g, b);
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break;
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case 1:
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for (v=0; v<y; v++)
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Image_XOR_pixel(dst, x, v, r, g, b);
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break;
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case 2:
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for (v=x; v<src->width; v++)
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Image_XOR_pixel(dst, v, y, r, g, b);
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break;
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case 3:
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for (v=y; v<src->height; v++)
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Image_XOR_pixel(dst, x, v, r, g, b);
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break;
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}
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}
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return FUNC_IS_ALPHA;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* ok, 12 oct 2014
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*/
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int Image_Glitch_simple(Image_Desc *src, Image_Desc *dst, int k)
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{
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int foo;
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int nbre;
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int x, y, d, v;
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int r, g, b;
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if ( (foo=Image_compare_desc(src, dst)) )
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{
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fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
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return foo;
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}
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for (nbre=0; nbre<k; nbre++)
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{
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x = rand() % src->width;
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y = rand() % src->height;
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d = rand() & 3;
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#if 0
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printf("%6d %6d %6d %d\n", nbre, x, y, d);
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#endif
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Image_getRGB(src, x, y, &r, &g, &b);
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switch (d)
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{
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case 0:
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for (v=0; v<x; v++)
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Image_plotRGB(dst, v, y, r, g, b);
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break;
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case 1:
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for (v=0; v<y; v++)
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Image_plotRGB(dst, x, v, r, g, b);
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break;
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case 2:
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for (v=x; v<src->width; v++)
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Image_plotRGB(dst, v, y, r, g, b);
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break;
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case 3:
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for (v=y; v<src->height; v++)
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Image_plotRGB(dst, x, v, r, g, b);
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break;
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}
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}
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return FUNC_IS_BETA;
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}
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/*::------------------------------------------------------------------::*/
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/*::------------------------------------------------------------------::*/
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/*::------------------------------------------------------------------::*/
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