48 lines
838 B
C
48 lines
838 B
C
/*
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detect2.c
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---------
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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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/*
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* Warning: this function can be very expensive in memory use
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*/
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int
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Image_pix2ptl(Image_Desc *img, int seuil, Image_PtList *ptl)
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{
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int foo, val;
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int x, y;
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long nbre;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d %p )\n", __func__, img, seuilr, ptl);
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#endif
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nbre = 0;
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for (y=0; y<img->height; y++)
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{
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for (x=0; x<img->width; x++)
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{
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val = Image_R_pixel(img, x, y);
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if (val > seuil)
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{
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Image_ptl_add(ptl, x, y, val, 0);
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nbre++;
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}
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}
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}
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foo = Image_ptl_write("pixels.ptl", ptl);
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#if DEBUG_LEVEL
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fprintf(stderr, "pix2ptl: %ld pixels\n", nbre);
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#endif
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return FUNC_IS_ALPHA;
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}
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/*::------------------------------------------------------------------::*/
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