128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
/*
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cadres3.c
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=========
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floating points 'cadres' around images.
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work in progress, you have to wait (a long time ?)
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*/
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#include <stdio.h>
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#include <math.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
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/*
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* 8 Dec 2001: this cadre was first designed for my ExPOVsition
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*/
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int
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Image_cadre_waves_0(Image_Desc *img, int perx, int pery, RGBA *rgb, int amp)
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{
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int x, y, val, foo;
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double dx, dy, dw, dh, damp;
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double kx, ky;
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if ( amp>=img->width/2 || amp>=img->height/2 )
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{
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fprintf(stderr, "Image cadre waves 0: amp (%d) is too big\n", amp);
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return INVALID_PARAM;
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}
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damp = (double)amp;
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dw = (double)img->width;
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dh = (double)img->height;
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kx = (M_PI * 2.0 * (double)perx) / dw;
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ky = (M_PI * 2.0 * (double)pery) / dh;
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#if DEBUG_LEVEL
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printf("Cadre3 waves 0: px %d py %d amp %d\n", perx, pery, amp);
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printf(" dw %f kx %f\n", dw, kx);
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printf(" dh %f ky %f\n", dh, ky);
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#endif
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for (x=0; x<img->width; x++)
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{
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dx = ((double)x * kx) - (M_PI/2);
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val = (int)((sin(dx)*damp)+damp)+1;
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for (foo=0; foo<val; foo++)
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{
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Image_plotRGB(img, x, foo, rgb->r, rgb->g, rgb->a);
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Image_plotRGB(img, img->width-x-1, img->height-foo-1,
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rgb->r, rgb->g, rgb->a);
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}
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}
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for (y=0; y<img->height; y++)
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{
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dy = (double)y * ky - (M_PI/2);
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val = (int)((sin(dy)*damp)+damp);
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for (foo=0; foo<val; foo++)
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{
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Image_plotRGB(img, foo, y, rgb->r, rgb->g, rgb->a);
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Image_plotRGB(img, img->width-foo-1, y,
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rgb->r, rgb->g, rgb->a);
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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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* celui-ci, il faudra l'inventer un de ces jours....
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*/
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int
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Image_cadre_waves_1(Image_Desc *img, int perx, int pery, RGBA *rgb, int amp)
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{
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int x, y, val, foo;
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if ( amp>=img->width/2 || amp>=img->height/2 )
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{
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fprintf(stderr, "Image cadre waves 1: amp (%d) is too big\n", amp);
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return INVALID_PARAM;
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}
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* celui-ci, il faudra l'inventer un de ces jours....
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*/
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int
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Image_cadre_waves_2(Image_Desc *img, int perx, int pery, int amp)
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{
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int x, y, val, foo;
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double dx, dy, dw, dh, damp;
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double kx, ky;
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int r, g, b;
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if ( amp>=img->width/2 || amp>=img->height/2 )
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{
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fprintf(stderr, "Image cadre waves 2: amp (%d) is too big\n", amp);
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return INVALID_PARAM;
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}
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damp = (double)amp;
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dw = (double)img->width;
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dh = (double)img->height;
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kx = (M_PI * 2.0 * (double)perx) / dw;
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ky = (M_PI * 2.0 * (double)pery) / dh;
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for (x=0; x<img->width; x++)
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{
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dx = ((double)x * kx) - (M_PI/2);
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val = (int)((sin(dx)*damp)+damp)+1;
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for (foo=0; foo<val; foo++)
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{
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}
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}
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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