
6 changed files with 99 additions and 10 deletions
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/*
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* glitches.c |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "../floatimg.h" |
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extern int verbosity; |
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/* -------------------------------------------------------------- */ |
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int kill_a_random_line(FloatImg *pvictime, float fval, int notused) |
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{ |
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int line, xpos, offset; |
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#if DEBUG_LEVEL |
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pvictime, notused); |
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#endif |
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line = rand() % pvictime->height; |
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if (verbosity > 1) { |
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fprintf(stderr, "%s: try to kill line %d\n", __func__, line); |
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} |
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offset = pvictime->width * line; |
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for (xpos=offset; xpos<pvictime->width; xpos++) { |
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pvictime->R[offset] = fval; |
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pvictime->G[offset] = 0.0; |
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pvictime->B[offset] = fval; |
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} |
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return 0; |
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} |
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/* -------------------------------------------------------------- */ |
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int kill_a_few_lines(FloatImg *who, float fval, int number) |
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{ |
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int idx, foo; |
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/* Frag the pixels */ |
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for (idx=0; idx<number; idx++) { |
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foo = kill_a_random_line(who, fval, 0); |
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if (foo) abort(); |
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} |
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return foo; |
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} |
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/* -------------------------------------------------------------- */ |
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@ -0,0 +1,9 @@
@@ -0,0 +1,9 @@
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/*
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* glitches.h |
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*/ |
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int kill_a_random_line(FloatImg *pvictime, float level, int notused); |
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int kill_a_few_lines(FloatImg *who, float fval, int number); |
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/* this is a wtf file */ |
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