176 lines
3.7 KiB
C
176 lines
3.7 KiB
C
/*
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combine4.c
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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 <math.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
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/*
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*
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*/
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int
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Image_combine_4img_0( Image_Desc *s1, Image_Desc *s2,
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Image_Desc *s3, Image_Desc *s4,
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Image_Desc *dst)
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{
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int x, y;
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int r, g, b;
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fprintf(stderr, "Image combine 4img 0: NO SANITY CONTROL !\n");
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r = g = b = 0; /* warning killer */
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for (y=0; y<dst->height; y++)
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{
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for (x=0; x<dst->width; x++)
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{
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if ( (x&1) && (y&1) )
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{
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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}
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if ( !(x&1) && (y&1) )
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{
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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if ( (x&1) && !(y&1) )
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{
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r = (s3->Rpix[y])[x];
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g = (s3->Gpix[y])[x];
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b = (s3->Bpix[y])[x];
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}
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if ( !(x&1) && !(y&1) )
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{
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r = (s4->Rpix[y])[x];
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g = (s4->Gpix[y])[x];
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b = (s4->Bpix[y])[x];
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}
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(dst->Rpix[y])[x] = r;
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(dst->Gpix[y])[x] = g;
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(dst->Bpix[y])[x] = b;
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}
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}
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return FUNC_IS_ALPHA;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* first step : 10 avril 2009
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*/
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int
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Image_combine_4img_1( Image_Desc *s1, Image_Desc *s2,
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Image_Desc *s3, Image_Desc *s4,
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Image_Desc *dst)
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{
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Image_Desc *source;
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int x, y, alea;
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int r, g, b;
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fprintf(stderr, "%s: NO SANITY CONTROL !\n", __func__);
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r = g = b = 0; /* warning killer */
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source = NULL; /* another warning killer */
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for (y=0; y<dst->height; y++)
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{
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for (x=0; x<dst->width; x++)
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{
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alea = rand() % 4;
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switch (alea)
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{
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case 0: source=s1; break;
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case 1: source=s2; break;
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case 2: source=s3; break;
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case 3: source=s4; break;
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}
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r = (source->Rpix[y])[x];
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g = (source->Gpix[y])[x];
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b = (source->Bpix[y])[x];
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(dst->Rpix[y])[x] = r;
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(dst->Gpix[y])[x] = g;
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(dst->Bpix[y])[x] = b;
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}
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}
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return 9999;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* hacked the 11 april 2009 - avenue ST Exupery
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*/
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int
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Image_combine_4img_2( Image_Desc *s1, Image_Desc *s2,
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Image_Desc *s3, Image_Desc *s4,
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Image_Desc *dst, int meth_reduc)
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{
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Image_Desc *r1, *r2, *r3, *r4;
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int x, y;
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int h2, w2;
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fprintf(stderr, "*** %s: NO SANITY CONTROL !\n", __func__);
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r1 = Image_MakeHalfSize(s1, meth_reduc);
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r2 = Image_MakeHalfSize(s2, meth_reduc);
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r3 = Image_MakeHalfSize(s3, meth_reduc);
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r4 = Image_MakeHalfSize(s4, meth_reduc);
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#if DEBUG_LEVEL
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fprintf(stderr, "reduced pictures: %p %p %p %p\n", r1, r2, r3, r4);
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#endif
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h2 = r1->height;
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w2 = r1->width;
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for (y=0; y<h2; y++)
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{
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for (x=0; x<w2; x++)
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{
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(dst->Rpix[y])[x] = (r1->Rpix[y])[x];
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(dst->Rpix[y])[x+w2] = (r2->Rpix[y])[x];
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(dst->Rpix[y+h2])[x] = (r3->Rpix[y])[x];
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(dst->Rpix[y+h2])[x+w2] = (r4->Rpix[y])[x];
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(dst->Gpix[y])[x] = (r1->Gpix[y])[x];
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(dst->Gpix[y])[x+w2] = (r2->Gpix[y])[x];
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(dst->Gpix[y+h2])[x] = (r3->Gpix[y])[x];
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(dst->Gpix[y+h2])[x+w2] = (r4->Gpix[y])[x];
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(dst->Bpix[y])[x] = (r1->Bpix[y])[x];
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(dst->Bpix[y])[x+w2] = (r2->Bpix[y])[x];
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(dst->Bpix[y+h2])[x] = (r3->Bpix[y])[x];
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(dst->Bpix[y+h2])[x+w2] = (r4->Bpix[y])[x];
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}
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}
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Image_DeAllocate(r1); free(r1);
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Image_DeAllocate(r2); free(r2);
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Image_DeAllocate(r3); free(r3);
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Image_DeAllocate(r4); free(r4);
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return 9999;
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}
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/*::------------------------------------------------------------------::*/
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int
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Image_combine_4img_3( Image_Desc *s1, Image_Desc *s2,
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Image_Desc *s3, Image_Desc *s4,
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Image_Desc *dst, int k)
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{
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#if DEBUG_LEVEL
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fprintf(stderr, "%s : %p %p %p %p --> %p\n", __func__,
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s1, s2, s3, s4, dst);
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#endif
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fprintf(stderr, "%s: NO SANITY CONTROL !\n", __func__);
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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