62 lines
1.0 KiB
C
62 lines
1.0 KiB
C
/*
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* DRAWPATT.C
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* ==========
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*
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* new 1st July 2003
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*
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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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/*
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* ATTENTION CETTE FONCTION COREDUMPE SI LE RECTANGLE
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* DEPASSE SUR UN BORD DE L'IMAGE !!!
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*/
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int
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Image_draw_rect_from_patt(Image_Desc *img, Image_Rect *rect, Image_Desc *patt)
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{
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int x, y, xp, yp, xm, ym;
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int r, g, b;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>>> %s\n", __func__);
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#endif
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if ( patt == NULL )
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{
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fprintf(stderr, "Badaboum!\n");
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exit(5);
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}
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for (x=0; x<rect->w; x++)
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{
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xp = x % patt->width;
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if (xp > img->width)
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{
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continue;
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}
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for (y=0; y<rect->h; y++)
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{
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yp = y % patt->height;
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if (yp > img->height)
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{
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continue;
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}
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Image_getRGB(patt, xp, yp, &r, &g, &b);
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Image_plotRGB(img, x+rect->x, y+rect->y, r, g, b);
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}
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}
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return FUNC_NOT_FINISH;
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}
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/*
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* ATTENTION CETTE FONCTION COREDUMPE SI LE RECTANGLE
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* DEPASSE SUR UN BORD DE L'IMAGE !!!
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*/
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/*::------------------------------------------------------------------::*/
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