225 lines
6.2 KiB
C
225 lines
6.2 KiB
C
/*
|
||
*
|
||
*
|
||
* Version PureC / Gcc
|
||
*/
|
||
|
||
#define PCGEMLIB 1 /* mettre 1 si les utilisateurs de Pure C
|
||
* utilise les librairies GEM Pure C */
|
||
|
||
/* Fichiers headers */
|
||
|
||
#include <portab.h>
|
||
#if PCGEMLIB
|
||
#include <aes.h>
|
||
#include <vdi.h>
|
||
#else
|
||
#include <aesbind.h>
|
||
#include <vdibind.h>
|
||
#endif
|
||
|
||
#include <string.h>
|
||
#include <stdlib.h>
|
||
#include "..\..\ldg.h"
|
||
#include "..\..\vapi.h"
|
||
#include "..\..\ldv.h"
|
||
#include "..\..\mt_aes.h"
|
||
|
||
/* Prototypages */
|
||
LDV_INFOS * cdecl GetLDVCapabilities(VAPI *vapi) ;
|
||
LDV_STATUS cdecl PreRun(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out) ;
|
||
LDV_STATUS cdecl Run(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out) ;
|
||
LDV_STATUS cdecl Preview(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out) ;
|
||
|
||
void OnClose(void) ;
|
||
|
||
/* Variables globales */
|
||
PROC Proc[] = {
|
||
"GetLDVCapabilities", "Capacit‚s du LDV", (void *)GetLDVCapabilities,
|
||
"PreRun", "Init du Run", (void *)PreRun,
|
||
"Run", "Fonction du LDV", (void *)Run,
|
||
"Preview", "Pre-Visu", (void *)Preview,
|
||
} ;
|
||
|
||
char Info[] = "LDV";
|
||
|
||
LDGLIB Ldg[] = {
|
||
0x0100, /* version de la lib, recommand‚ */
|
||
4, /* nombre de fonction dans la lib */
|
||
Proc, /* Pointeurs vers nos fonctions */
|
||
Info, /* Information sur la lib */
|
||
0x0, /* Flags de la lib, obligatoire */
|
||
OnClose, /* Fermeture, liberation de VDIHandle */
|
||
};
|
||
|
||
#define CAPS (LDVF_SPECFORMAT | LDVF_SUPPORTPREVIEW | LDVF_SUPPORTPROG | LDVF_REALTIMEPARAMS | LDVF_SUPPORTCANCEL | LDVF_NOSELECTION)
|
||
|
||
LDV_INFOS LdvInfos = {
|
||
(short) sizeof(LDV_INFOS), /* Taille de cette structure */
|
||
TLDV_MODIFYIMG, /* Type du LDV */
|
||
"Jean Lusetti", /* Auteurs */
|
||
{
|
||
{ 1, 1, CAPS }, /* Capacites pour 1 plan */
|
||
{ 2, 2, CAPS }, /* Capacites pour 2 plans */
|
||
{ 4, 4, CAPS }, /* Capacites pour 4 plans */
|
||
{ 8, 8, CAPS }, /* Capacites pour 8 plans */
|
||
{ 16, 16, CAPS }, /* Capacites pour 16 plans */
|
||
{ 24, 24, CAPS }, /* Capacites pour 24 plans */
|
||
{ 32, 32, CAPS }, /* Capacites pour 32 plans */
|
||
{ 0, 0, 0UL } /* Fin de la liste des capacites */
|
||
},
|
||
} ;
|
||
|
||
VAPI *Vapi = NULL ;
|
||
int VDIHandle = -1 ;
|
||
short *ToBeMixed = NULL ; /* Tableau (1,2,...) a melanger */
|
||
short Nw, Nh, Entropy ;
|
||
|
||
void OnClose(void)
|
||
{
|
||
if ( VDIHandle != -1 ) v_clsvwk( VDIHandle ) ;
|
||
VDIHandle = -1 ;
|
||
if ( ToBeMixed ) free( ToBeMixed ) ;
|
||
ToBeMixed = NULL ;
|
||
}
|
||
|
||
/*
|
||
* Fonctions de la librairie
|
||
*/
|
||
|
||
LDV_INFOS * cdecl GetLDVCapabilities(VAPI *vapi)
|
||
{
|
||
Vapi = vapi ;
|
||
|
||
return( &LdvInfos ) ;
|
||
}
|
||
|
||
int vdihandle(void)
|
||
{
|
||
int work_in[11], work_out[57], i ;
|
||
|
||
for ( i = 0; i < 10; work_in[i++] = 1 ) ;
|
||
work_in[10] = 2 ;
|
||
v_opnvwk( work_in, &i, work_out ) ;
|
||
|
||
return( i ) ;
|
||
}
|
||
|
||
void SetMixedArray(short Nw, short Nh, short entropy)
|
||
{
|
||
short nb = Nw * Nh ;
|
||
|
||
if ( ToBeMixed ) free( ToBeMixed ) ;
|
||
ToBeMixed = (short *) malloc( nb * sizeof(short) ) ;
|
||
if ( ToBeMixed )
|
||
{
|
||
short i, j, k, l, *pt ;
|
||
|
||
pt = ToBeMixed ;
|
||
for ( i = 0; i < nb; i++ ) *pt++ = i ; /* Un tableau bien trie ... */
|
||
for ( i = 0; i < entropy*entropy; i++ )
|
||
{
|
||
j = rand() % nb ; /* On prend 2 elements au hasard */
|
||
k = rand() % nb ;
|
||
l = ToBeMixed[j] ; /* Et on les permute ... */
|
||
ToBeMixed[j] = ToBeMixed[k] ;
|
||
ToBeMixed[k] = l ;
|
||
}
|
||
}
|
||
}
|
||
|
||
#pragma warn -par
|
||
LDV_STATUS cdecl PreRun(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out)
|
||
{
|
||
Nw = params->Param[0].s ;
|
||
Nh = params->Param[1].s ;
|
||
Entropy = params->Param[2].s ;
|
||
|
||
out->Raster.fd_w = in->Raster.fd_w ;
|
||
out->Raster.fd_h = in->Raster.fd_h ;
|
||
|
||
return( ELDV_NOERROR ) ;
|
||
}
|
||
|
||
LDV_STATUS cdecl Run(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out)
|
||
{
|
||
LDV_STATUS status = ELDV_NOERROR ;
|
||
long cancel, pc ;
|
||
short *src_num = ToBeMixed ;
|
||
short dst_num ;
|
||
int xy[8] ;
|
||
int x, y, w, h ;
|
||
int nw, nh, mw, mh ;
|
||
|
||
if ( ToBeMixed == NULL ) return( ELDV_NOTENOUGHMEMORY ) ;
|
||
|
||
if ( VDIHandle == -1 ) VDIHandle = vdihandle() ;
|
||
|
||
cancel = 0 ;
|
||
w = in->Raster.fd_w / Nw ;
|
||
h = in->Raster.fd_h / Nh ;
|
||
mw = in->Raster.fd_w % Nw ;
|
||
if ( mw )
|
||
{
|
||
/* Les "restes" de bloc sont recopies tels quels */
|
||
xy[0] = xy[4] = in->Raster.fd_w - mw - 1 ;
|
||
xy[1] = xy[5] = 0 ;
|
||
xy[2] = xy[6] = in->Raster.fd_w - 1 ;
|
||
xy[3] = xy[7] = in->Raster.fd_h - 1 ;
|
||
vro_cpyfm( VDIHandle, S_ONLY, xy, &in->Raster, &out->Raster ) ;
|
||
}
|
||
mh = in->Raster.fd_h % Nh ;
|
||
if ( mh )
|
||
{
|
||
/* Les "restes" de bloc sont recopies tels quels */
|
||
xy[0] = xy[4] = 0 ;
|
||
xy[1] = xy[5] = in->Raster.fd_h - mh - 1 ;
|
||
xy[2] = xy[6] = in->Raster.fd_w - 1 ;
|
||
xy[3] = xy[7] = in->Raster.fd_h - 1 ;
|
||
vro_cpyfm( VDIHandle, S_ONLY, xy, &in->Raster, &out->Raster ) ;
|
||
}
|
||
y = 0 ;
|
||
for ( nh = 0; !cancel && ( nh < Nh ); nh++, y += h )
|
||
{
|
||
xy[1] = y ;
|
||
xy[3] = y + h - 1 ;
|
||
x = 0 ;
|
||
for ( nw = 0; nw < Nw; nw++, x += w )
|
||
{
|
||
dst_num = *src_num++ ;
|
||
xy[0] = x ;
|
||
xy[2] = x + w - 1 ;
|
||
xy[4] = ( dst_num % Nw ) * w ;
|
||
xy[5] = ( dst_num / Nw ) * h ;
|
||
xy[6] = xy[4] + w - 1 ;
|
||
xy[7] = xy[5] + h - 1 ;
|
||
vro_cpyfm( VDIHandle, S_ONLY, xy, &in->Raster, &out->Raster ) ;
|
||
}
|
||
pc = ( 100L * y ) / in->Raster.fd_h ;
|
||
cancel = Vapi->PrSetProgEx( pc ) ;
|
||
}
|
||
|
||
if ( cancel ) status = ELDV_CANCELLED ;
|
||
|
||
return( status ) ;
|
||
}
|
||
|
||
LDV_STATUS cdecl Preview(LDV_IMAGE *in, LDV_PARAMS *params, LDV_IMAGE *out)
|
||
{
|
||
SetMixedArray( Nw, Nh, Entropy ) ;
|
||
if ( ToBeMixed == NULL ) return( ELDV_NOTENOUGHMEMORY ) ;
|
||
|
||
return( Run( in, params, out ) ) ;
|
||
}
|
||
#pragma warn +par
|
||
|
||
|
||
int main(void)
|
||
{
|
||
ldg_init( Ldg ) ;
|
||
|
||
srand( 256 ) ;
|
||
|
||
return( 0 ) ;
|
||
}
|