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/***********************************************************************
FONCTION :
----------
File OpenGl_togl_texture.c :
REMARQUES:
----------
HISTORIQUE DES MODIFICATIONS :
--------------------------------
05-08-97 : PCT ; Support texture mapping
20-11-97 : FMN ; Ajout call_togl_inquiretexture
Ajout coupure du texture mapping
************************************************************************/
#define OCC1188 /*SAV 23/12/02 - added methods to set background image */
/*----------------------------------------------------------------------*/
/*
* Includes
*/
#include <stdlib.h>
#include <string.h>
#include <OpenGl_tgl_all.hxx>
#include <InterfaceGraphic_Labels.hxx>
#include <InterfaceGraphic_Graphic3d.hxx>
#include <InterfaceGraphic_Visual3d.hxx>
#include <OpenGl_tgl_funcs.hxx>
#include <OpenGl_TextureBox.hxx>
#include <OpenGl_cmn_varargs.hxx>
#include <OpenGl_tsm.hxx>
#include <OpenGl_tsm_ws.hxx>
#ifdef OCC1188
#include <GL/glu.h>
#endif
/*----------------------------------------------------------------------*/
int EXPORT
call_togl_create_texture
(
int Type,
unsigned int Width,
unsigned int Height,
unsigned char *Data,
char *FileName
)
{
if (call_togl_inquiretexture ())
{
switch (Type)
{
case 0:
return GetTextureData1D(FileName, Width, Height, Data);
case 1:
return GetTextureData2D(FileName, Width, Height, Data);
case 2:
return GetTextureData2DMipMap(FileName, Width, Height, Data);
default:
return -1;
}
}
return -1 ;
}
/*----------------------------------------------------------------------*/
void EXPORT
call_togl_destroy_texture
(
int TexId
)
{
if (call_togl_inquiretexture ())
FreeTexture(TexId);
}
/*----------------------------------------------------------------------*/
void EXPORT
call_togl_modify_texture
(
int TexId,
CALL_DEF_INIT_TEXTURE *init_tex
)
{
if (call_togl_inquiretexture ())
{
if (init_tex->doModulate)
SetTextureModulate(TexId);
else
SetTextureDecal(TexId);
if (init_tex->doRepeat)
SetTextureRepeat(TexId);
else
SetTextureClamp(TexId);
switch (init_tex->Mode)
{
case 0:
SetModeObject(TexId,
&init_tex->sparams[0], &init_tex->tparams[0]);
break;
case 1:
SetModeSphere(TexId);
break;
case 2:
SetModeEye(TexId,
&init_tex->sparams[0], &init_tex->tparams[0]);
break;
case 3:
SetModeManual(TexId);
break;
}
if (init_tex->doLinear)
SetRenderLinear(TexId);
else
SetRenderNearest(TexId);
SetTexturePosition(TexId,
init_tex->sx, init_tex->sy,
init_tex->tx, init_tex->ty,
init_tex->angle);
}
}
/*----------------------------------------------------------------------*/
void EXPORT
call_togl_environment(CALL_DEF_VIEW *aview)
{
CMN_KEY_DATA data;
if (call_togl_inquiretexture ())
{
data.ldata = aview->Context.TexEnvId;
TsmSetWSAttri(aview->WsId, WSTextureEnv, &data);
data.ldata = aview->Context.SurfaceDetail;
TsmSetWSAttri(aview->WsId, WSSurfaceDetail, &data);
}
}
/*----------------------------------------------------------------------*/
int EXPORT
call_togl_inquiretexture ()
{
#if defined(__sun)
return 1;
#else
return 1;
#endif /* SUN */
}
/*----------------------------------------------------------------------*/
#ifdef OCC1188
void EXPORT call_togl_create_bg_texture( CALL_DEF_VIEW* view, int width, int height,
unsigned char* data, int style )
{
TSM_BG_TEXTURE tex;
tsm_bg_texture createdTex;
CMN_KEY_DATA cmnData;
CMN_KEY_DATA cmnKey;
GLuint texture = 0;
GLubyte *image = (GLubyte *)malloc(width * height * 3 * sizeof(GLubyte));
memcpy( image, data, ( width * height * 3 ) );
/* check if some bg texture is already created */
TsmGetWSAttri( view->WsId, WSBgTexture, &cmnData );
createdTex = (tsm_bg_texture)cmnData.pdata;
if ( createdTex->texId != 0 )
glDeleteTextures( 1, (GLuint*)&(createdTex->texId) );
glGenTextures( 1, &texture );
glBindTexture( GL_TEXTURE_2D, texture );
/* Create MipMapped Texture */
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
gluBuild2DMipmaps( GL_TEXTURE_2D, 3/*4*/, width, height, GL_RGB, GL_UNSIGNED_BYTE, image );
tex.texId = texture;
tex.width = width;
tex.height = height;
switch ( style ) {
case 0 :
case 1 :
tex.style = TSM_FS_CENTER;
break;
case 2 :
tex.style = TSM_FS_TILE;
break;
case 3 :
tex.style = TSM_FS_STRETCH;
break;
default :
tex.style = TSM_FS_CENTER;
break;
}
/* setting flag to update changes */
cmnKey.ldata = TNotDone;
TsmSetWSAttri( view->WsId, WSUpdateState, &cmnKey );
/* storing background texture */
cmnData.pdata = &tex;
TsmSetWSAttri( view->WsId, WSBgTexture, &cmnData );
free( image );
}
/*----------------------------------------------------------------------*/
void EXPORT call_togl_set_bg_texture_style( CALL_DEF_VIEW* view, int style )
{
tsm_bg_texture texture;
CMN_KEY_DATA cmnData;
CMN_KEY_DATA cmnKey;
/* check if background texture is already created */
TsmGetWSAttri( view->WsId, WSBgTexture, &cmnData );
texture = (tsm_bg_texture)cmnData.pdata;
if ( texture->texId != 0 ) {
switch ( style ) {
case 0 :
case 1 :
texture->style = TSM_FS_CENTER;
break;
case 2 :
texture->style = TSM_FS_TILE;
break;
case 3 :
texture->style = TSM_FS_STRETCH;
break;
default :
texture->style = TSM_FS_CENTER;
break;
}
/* setting flag to update changes */
cmnKey.ldata = TNotDone;
TsmSetWSAttri( view->WsId, WSUpdateState, &cmnKey );
/* storing background texture */
cmnData.pdata = texture;
TsmSetWSAttri( view->WsId, WSBgTexture, &cmnData );
}
}
#endif /* OCC1188 */
/*----------------------------------------------------------------------*/
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