| 1 | /*********************************************************************** |
| 2 | |
| 3 | FONCTION : |
| 4 | ---------- |
| 5 | File OpenGl_togl_texture.c : |
| 6 | |
| 7 | |
| 8 | REMARQUES: |
| 9 | ---------- |
| 10 | |
| 11 | |
| 12 | HISTORIQUE DES MODIFICATIONS : |
| 13 | -------------------------------- |
| 14 | 05-08-97 : PCT ; Support texture mapping |
| 15 | 20-11-97 : FMN ; Ajout call_togl_inquiretexture |
| 16 | Ajout coupure du texture mapping |
| 17 | |
| 18 | ************************************************************************/ |
| 19 | |
| 20 | #define OCC1188 /*SAV 23/12/02 - added methods to set background image */ |
| 21 | |
| 22 | /*----------------------------------------------------------------------*/ |
| 23 | /* |
| 24 | * Includes |
| 25 | */ |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <OpenGl_tgl_all.hxx> |
| 29 | #include <InterfaceGraphic_Labels.hxx> |
| 30 | #include <InterfaceGraphic_Graphic3d.hxx> |
| 31 | #include <InterfaceGraphic_Visual3d.hxx> |
| 32 | #include <OpenGl_tgl_funcs.hxx> |
| 33 | #include <OpenGl_TextureBox.hxx> |
| 34 | |
| 35 | #include <OpenGl_cmn_varargs.hxx> |
| 36 | #include <OpenGl_tsm.hxx> |
| 37 | #include <OpenGl_tsm_ws.hxx> |
| 38 | |
| 39 | #ifdef OCC1188 |
| 40 | #include <GL/glu.h> |
| 41 | #endif |
| 42 | |
| 43 | /*----------------------------------------------------------------------*/ |
| 44 | |
| 45 | int EXPORT |
| 46 | call_togl_create_texture |
| 47 | ( |
| 48 | int Type, |
| 49 | unsigned int Width, |
| 50 | unsigned int Height, |
| 51 | unsigned char *Data, |
| 52 | char *FileName |
| 53 | ) |
| 54 | { |
| 55 | if (call_togl_inquiretexture ()) |
| 56 | { |
| 57 | switch (Type) |
| 58 | { |
| 59 | case 0: |
| 60 | return GetTextureData1D(FileName, Width, Height, Data); |
| 61 | |
| 62 | case 1: |
| 63 | return GetTextureData2D(FileName, Width, Height, Data); |
| 64 | |
| 65 | case 2: |
| 66 | return GetTextureData2DMipMap(FileName, Width, Height, Data); |
| 67 | |
| 68 | default: |
| 69 | return -1; |
| 70 | } |
| 71 | } |
| 72 | return -1 ; |
| 73 | } |
| 74 | |
| 75 | /*----------------------------------------------------------------------*/ |
| 76 | |
| 77 | void EXPORT |
| 78 | call_togl_destroy_texture |
| 79 | ( |
| 80 | int TexId |
| 81 | ) |
| 82 | { |
| 83 | if (call_togl_inquiretexture ()) |
| 84 | FreeTexture(TexId); |
| 85 | } |
| 86 | |
| 87 | /*----------------------------------------------------------------------*/ |
| 88 | |
| 89 | void EXPORT |
| 90 | call_togl_modify_texture |
| 91 | ( |
| 92 | int TexId, |
| 93 | CALL_DEF_INIT_TEXTURE *init_tex |
| 94 | ) |
| 95 | { |
| 96 | if (call_togl_inquiretexture ()) |
| 97 | { |
| 98 | if (init_tex->doModulate) |
| 99 | SetTextureModulate(TexId); |
| 100 | else |
| 101 | SetTextureDecal(TexId); |
| 102 | |
| 103 | if (init_tex->doRepeat) |
| 104 | SetTextureRepeat(TexId); |
| 105 | else |
| 106 | SetTextureClamp(TexId); |
| 107 | |
| 108 | switch (init_tex->Mode) |
| 109 | { |
| 110 | case 0: |
| 111 | SetModeObject(TexId, |
| 112 | &init_tex->sparams[0], &init_tex->tparams[0]); |
| 113 | break; |
| 114 | |
| 115 | case 1: |
| 116 | SetModeSphere(TexId); |
| 117 | break; |
| 118 | |
| 119 | case 2: |
| 120 | SetModeEye(TexId, |
| 121 | &init_tex->sparams[0], &init_tex->tparams[0]); |
| 122 | break; |
| 123 | |
| 124 | case 3: |
| 125 | SetModeManual(TexId); |
| 126 | break; |
| 127 | } |
| 128 | |
| 129 | if (init_tex->doLinear) |
| 130 | SetRenderLinear(TexId); |
| 131 | else |
| 132 | SetRenderNearest(TexId); |
| 133 | |
| 134 | SetTexturePosition(TexId, |
| 135 | init_tex->sx, init_tex->sy, |
| 136 | init_tex->tx, init_tex->ty, |
| 137 | init_tex->angle); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | /*----------------------------------------------------------------------*/ |
| 142 | |
| 143 | void EXPORT |
| 144 | call_togl_environment(CALL_DEF_VIEW *aview) |
| 145 | { |
| 146 | CMN_KEY_DATA data; |
| 147 | |
| 148 | if (call_togl_inquiretexture ()) |
| 149 | { |
| 150 | data.ldata = aview->Context.TexEnvId; |
| 151 | TsmSetWSAttri(aview->WsId, WSTextureEnv, &data); |
| 152 | |
| 153 | data.ldata = aview->Context.SurfaceDetail; |
| 154 | TsmSetWSAttri(aview->WsId, WSSurfaceDetail, &data); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /*----------------------------------------------------------------------*/ |
| 159 | |
| 160 | int EXPORT |
| 161 | call_togl_inquiretexture () |
| 162 | { |
| 163 | #if defined(__sun) |
| 164 | return 1; |
| 165 | #else |
| 166 | return 1; |
| 167 | #endif /* SUN */ |
| 168 | } |
| 169 | |
| 170 | /*----------------------------------------------------------------------*/ |
| 171 | |
| 172 | #ifdef OCC1188 |
| 173 | void EXPORT call_togl_create_bg_texture( CALL_DEF_VIEW* view, int width, int height, |
| 174 | unsigned char* data, int style ) |
| 175 | { |
| 176 | TSM_BG_TEXTURE tex; |
| 177 | tsm_bg_texture createdTex; |
| 178 | CMN_KEY_DATA cmnData; |
| 179 | CMN_KEY_DATA cmnKey; |
| 180 | GLuint texture = 0; |
| 181 | GLubyte *image = (GLubyte *)malloc(width * height * 3 * sizeof(GLubyte)); |
| 182 | memcpy( image, data, ( width * height * 3 ) ); |
| 183 | |
| 184 | /* check if some bg texture is already created */ |
| 185 | TsmGetWSAttri( view->WsId, WSBgTexture, &cmnData ); |
| 186 | createdTex = (tsm_bg_texture)cmnData.pdata; |
| 187 | if ( createdTex->texId != 0 ) |
| 188 | glDeleteTextures( 1, (GLuint*)&(createdTex->texId) ); |
| 189 | glGenTextures( 1, &texture ); |
| 190 | glBindTexture( GL_TEXTURE_2D, texture ); |
| 191 | /* Create MipMapped Texture */ |
| 192 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); |
| 193 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ); |
| 194 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); |
| 195 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); |
| 196 | gluBuild2DMipmaps( GL_TEXTURE_2D, 3/*4*/, width, height, GL_RGB, GL_UNSIGNED_BYTE, image ); |
| 197 | |
| 198 | tex.texId = texture; |
| 199 | tex.width = width; |
| 200 | tex.height = height; |
| 201 | switch ( style ) { |
| 202 | case 0 : |
| 203 | case 1 : |
| 204 | tex.style = TSM_FS_CENTER; |
| 205 | break; |
| 206 | case 2 : |
| 207 | tex.style = TSM_FS_TILE; |
| 208 | break; |
| 209 | case 3 : |
| 210 | tex.style = TSM_FS_STRETCH; |
| 211 | break; |
| 212 | default : |
| 213 | tex.style = TSM_FS_CENTER; |
| 214 | break; |
| 215 | } |
| 216 | |
| 217 | /* setting flag to update changes */ |
| 218 | cmnKey.ldata = TNotDone; |
| 219 | TsmSetWSAttri( view->WsId, WSUpdateState, &cmnKey ); |
| 220 | |
| 221 | /* storing background texture */ |
| 222 | cmnData.pdata = &tex; |
| 223 | TsmSetWSAttri( view->WsId, WSBgTexture, &cmnData ); |
| 224 | free( image ); |
| 225 | } |
| 226 | |
| 227 | /*----------------------------------------------------------------------*/ |
| 228 | |
| 229 | void EXPORT call_togl_set_bg_texture_style( CALL_DEF_VIEW* view, int style ) |
| 230 | { |
| 231 | tsm_bg_texture texture; |
| 232 | CMN_KEY_DATA cmnData; |
| 233 | CMN_KEY_DATA cmnKey; |
| 234 | |
| 235 | /* check if background texture is already created */ |
| 236 | TsmGetWSAttri( view->WsId, WSBgTexture, &cmnData ); |
| 237 | texture = (tsm_bg_texture)cmnData.pdata; |
| 238 | if ( texture->texId != 0 ) { |
| 239 | switch ( style ) { |
| 240 | case 0 : |
| 241 | case 1 : |
| 242 | texture->style = TSM_FS_CENTER; |
| 243 | break; |
| 244 | case 2 : |
| 245 | texture->style = TSM_FS_TILE; |
| 246 | break; |
| 247 | case 3 : |
| 248 | texture->style = TSM_FS_STRETCH; |
| 249 | break; |
| 250 | default : |
| 251 | texture->style = TSM_FS_CENTER; |
| 252 | break; |
| 253 | } |
| 254 | |
| 255 | /* setting flag to update changes */ |
| 256 | cmnKey.ldata = TNotDone; |
| 257 | TsmSetWSAttri( view->WsId, WSUpdateState, &cmnKey ); |
| 258 | |
| 259 | /* storing background texture */ |
| 260 | cmnData.pdata = texture; |
| 261 | TsmSetWSAttri( view->WsId, WSBgTexture, &cmnData ); |
| 262 | } |
| 263 | } |
| 264 | #endif /* OCC1188 */ |
| 265 | /*----------------------------------------------------------------------*/ |