39 lines
876 B
C
39 lines
876 B
C
/*
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* PIXELS dot C
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*/
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#include <stdio.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
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int
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Image_XOR_pixel(Image_Desc *img, int x, int y, int r, int g, int b)
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{
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int pr, pg, pb, a;
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if ( (x<0) || (y<0) || (x>=img->width) || (y>=img->height) )
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{
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fprintf(stderr, "%s : out of pic (%d, %d)\n", __func__, x, y);
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return OUT_OF_IMAGE;
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}
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img->Rpix[y][x] ^= r;
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img->Gpix[y][x] ^= g;
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img->Bpix[y][x] ^= b;
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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int Image_rot_pixel(Image_Desc *img, int x, int y, int r, int g, int b)
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{
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if ( (x<0) || (y<0) || (x>=img->width) || (y>=img->height) )
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{
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fprintf(stderr, "%s : out of pic (%d, %d)\n", __func__, x, y);
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return OUT_OF_IMAGE;
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}
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return 42;
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}
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/*::------------------------------------------------------------------::*/
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