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PR: 181451 Submitted by: Hiroto Kagotani Auto Multiple Choice (AMC) is a piece of software that helps you to create and manage multiple choice questionnaires, with automated marking. Tests can be written in plain text or LaTeX. Automated correction and grading is performed from scans of the answer sheets using optical mark recognition.
137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
--- ./AMC-traitement-image.c.orig 2013-07-28 22:22:29.000000000 +0900
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+++ ./AMC-traitement-image.c 2014-04-16 17:44:03.000000000 +0900
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@@ -218,6 +218,22 @@
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printf("CC %d %d\n",n,imax);
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}
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+#define deplace(_i,_j) \
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+ do { \
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+ int i = _i, j = _j; \
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+ coins[i].x+=delta*(coins[j].x-coins[i].x); \
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+ coins[i].y+=delta*(coins[j].y-coins[i].y); \
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+ } while (0)
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+
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+#define restreint(_x,_y) \
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+ do { \
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+ int *x = _x, *y = _y; \
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+ if(*x<0) *x=0; \
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+ if(*y<0) *y=0; \
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+ if(*x>=tx) *x=tx-1; \
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+ if(*y>=ty) *y=ty-1; \
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+ } while (0)
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+
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void mesure_case(pixel **img,int tx,int ty,pixval maxval,
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double prop,point *coins) {
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int npix,npixnoir,xmin,xmax,ymin,ymax,x,y;
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@@ -225,18 +241,6 @@
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int i,ok;
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double delta;
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- void deplace(int i,int j) {
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- coins[i].x+=delta*(coins[j].x-coins[i].x);
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- coins[i].y+=delta*(coins[j].y-coins[i].y);
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- }
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-
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- void restreint(int *x,int *y) {
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- if(*x<0) *x=0;
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- if(*y<0) *y=0;
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- if(*x>=tx) *x=tx-1;
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- if(*y>=ty) *y=ty-1;
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- }
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-
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npix=0;
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npixnoir=0;
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xmin=tx-1;
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@@ -292,47 +296,48 @@
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int xmin,xmax,ymin,ymax;
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} infocol;
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-void repere_magick(pixel **img,int tx,int ty,pixval maxval) {
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- infocol *infos;
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-
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- int ninfo,ninfo_alloc;
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- int i,x,y,red;
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- int en_couleur;
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+int trouve_id(int magick,int exo,int quest,infocol **infos_p,int *ninfo_p,int *ninfo_alloc_p) {
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+ int i,ii;
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+ ii=-1;
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+ for(i=0;i<*ninfo_p;i++) {
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+ if((*infos_p)[i].magick==magick
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+ && (*infos_p)[i].exo==exo && (*infos_p)[i].quest==quest) ii=i;
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+ }
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+ if(ii<0) {
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+ ii=*ninfo_p;
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- int trouve_id(int magick,int exo,int quest) {
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- int i,ii;
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- ii=-1;
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- for(i=0;i<ninfo;i++) {
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- if(infos[i].magick==magick
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- && infos[i].exo==exo && infos[i].quest==quest) ii=i;
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+ if(*ninfo_alloc_p<ii+1) {
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+ *ninfo_alloc_p+=INFO_BLOC;
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+ *infos_p=(infocol*)realloc(*infos_p,*ninfo_alloc_p*sizeof(infocol));
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}
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- if(ii<0) {
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- ii=ninfo;
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- if(ninfo_alloc<ii+1) {
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- ninfo_alloc+=INFO_BLOC;
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- infos=(infocol*)realloc(infos,ninfo_alloc*sizeof(infocol));
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- }
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-
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- infos[ii].magick=magick;
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- infos[ii].exo=exo;
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- infos[ii].quest=quest;
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- infos[ii].xmin=100000;
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- infos[ii].ymin=100000;
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- infos[ii].xmax=-1;
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- infos[ii].ymax=-1;
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- ninfo++;
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- }
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- return(ii);
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+ (*infos_p)[ii].magick=magick;
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+ (*infos_p)[ii].exo=exo;
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+ (*infos_p)[ii].quest=quest;
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+ (*infos_p)[ii].xmin=100000;
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+ (*infos_p)[ii].ymin=100000;
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+ (*infos_p)[ii].xmax=-1;
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+ (*infos_p)[ii].ymax=-1;
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+ (*ninfo_p)++;
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}
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+ return(ii);
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+}
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- void ajoute(int id,int x,int y) {
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- if(x > infos[id].xmax) infos[id].xmax=x;
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- if(x < infos[id].xmin) infos[id].xmin=x;
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- if(y > infos[id].ymax) infos[id].ymax=y;
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- if(y < infos[id].ymin) infos[id].ymin=y;
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- }
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+#define ajoute(_id,_x,_y) \
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+ do { \
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+ int id = _id, x = _x, y = _y; \
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+ if(x > infos[id].xmax) infos[id].xmax=x; \
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+ if(x < infos[id].xmin) infos[id].xmin=x; \
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+ if(y > infos[id].ymax) infos[id].ymax=y; \
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+ if(y < infos[id].ymin) infos[id].ymin=y; \
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+ } while (0)
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+
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+void repere_magick(pixel **img,int tx,int ty,pixval maxval) {
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+ infocol *infos;
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+ int ninfo,ninfo_alloc;
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+ int i,x,y,red;
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+ int en_couleur;
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infos=NULL;
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ninfo_alloc=0;
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@@ -347,7 +352,7 @@
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if(red!=PPM_GETG(img[y][x])) en_couleur=1;
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if(red!=PPM_GETB(img[y][x])) en_couleur=1;
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if(en_couleur)
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- ajoute(trouve_id(red,PPM_GETG(img[y][x]),PPM_GETB(img[y][x])),x,y);
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+ ajoute(trouve_id(red,PPM_GETG(img[y][x]),PPM_GETB(img[y][x]),&infos,&ninfo,&ninfo_alloc),x,y);
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}
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}
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}
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