objects/dcvalues.c

   1 /*
   2  * DC device-independent Get/SetXXX functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "wownt32.h"
  29
  30 #include "gdi.h"
  31 #include "gdi_private.h"
  32
  33
  34 /***********************************************************************
  35  *              SetBkMode (GDI32.@)
  36  */
  37 INT WINAPI SetBkMode( HDC hdc, INT mode )
  38 {
  39     INT ret;
  40     DC *dc;
  41     if ((mode <= 0) || (mode > BKMODE_LAST))
  42     {
  43         SetLastError(ERROR_INVALID_PARAMETER);
  44         return 0;
  45     }
  46     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
  47     if (dc->funcs->pSetBkMode)
  48         ret = dc->funcs->pSetBkMode( dc->physDev, mode );
  49     else
  50     {
  51         ret = dc->backgroundMode;
  52         dc->backgroundMode = mode;
  53     }
  54     GDI_ReleaseObj( hdc );
  55     return ret;
  56 }
  57
  58
  59 /***********************************************************************
  60  *              SetROP2 (GDI32.@)
  61  */
  62 INT WINAPI SetROP2( HDC hdc, INT mode )
  63 {
  64     INT ret;
  65     DC *dc;
  66     if ((mode < R2_BLACK) || (mode > R2_WHITE))
  67     {
  68         SetLastError(ERROR_INVALID_PARAMETER);
  69         return 0;
  70     }
  71     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
  72     if (dc->funcs->pSetROP2)
  73         ret = dc->funcs->pSetROP2( dc->physDev, mode );
  74     else
  75     {
  76         ret = dc->ROPmode;
  77         dc->ROPmode = mode;
  78     }
  79     GDI_ReleaseObj( hdc );
  80     return ret;
  81 }
  82
  83
  84 /***********************************************************************
  85  *              SetRelAbs (GDI32.@)
  86  */
  87 INT WINAPI SetRelAbs( HDC hdc, INT mode )
  88 {
  89     INT ret;
  90     DC *dc;
  91     if ((mode != ABSOLUTE) && (mode != RELATIVE))
  92     {
  93         SetLastError(ERROR_INVALID_PARAMETER);
  94         return 0;
  95     }
  96     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
  97     if (dc->funcs->pSetRelAbs)
  98         ret = dc->funcs->pSetRelAbs( dc->physDev, mode );
  99     else
 100     {
 101         ret = dc->relAbsMode;
 102         dc->relAbsMode = mode;
 103     }
 104     GDI_ReleaseObj( hdc );
 105     return ret;
 106 }
 107
 108
 109 /***********************************************************************
 110  *              SetPolyFillMode (GDI32.@)
 111  */
 112 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
 113 {
 114     INT ret;
 115     DC *dc;
 116     if ((mode <= 0) || (mode > POLYFILL_LAST))
 117     {
 118         SetLastError(ERROR_INVALID_PARAMETER);
 119         return 0;
 120     }
 121     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
 122     if (dc->funcs->pSetPolyFillMode)
 123         ret = dc->funcs->pSetPolyFillMode( dc->physDev, mode );
 124     else
 125     {
 126         ret = dc->polyFillMode;
 127         dc->polyFillMode = mode;
 128     }
 129     GDI_ReleaseObj( hdc );
 130     return ret;
 131 }
 132
 133
 134 /***********************************************************************
 135  *              SetStretchBltMode (GDI32.@)
 136  */
 137 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
 138 {
 139     INT ret;
 140     DC *dc;
 141     if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
 142     {
 143         SetLastError(ERROR_INVALID_PARAMETER);
 144         return 0;
 145     }
 146     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
 147     if (dc->funcs->pSetStretchBltMode)
 148         ret = dc->funcs->pSetStretchBltMode( dc->physDev, mode );
 149     else
 150     {
 151         ret = dc->stretchBltMode;
 152         dc->stretchBltMode = mode;
 153     }
 154     GDI_ReleaseObj( hdc );
 155     return ret;
 156 }
 157
 158
 159 /***********************************************************************
 160  *              GetBkColor (GDI32.@)
 161  */
 162 COLORREF WINAPI GetBkColor( HDC hdc )
 163 {
 164     COLORREF ret = 0;
 165     DC * dc = DC_GetDCPtr( hdc );
 166     if (dc)
 167     {
 168         ret = dc->backgroundColor;
 169         GDI_ReleaseObj( hdc );
 170     }
 171     return ret;
 172 }
 173
 174
 175 /***********************************************************************
 176  *              GetBkMode (GDI32.@)
 177  */
 178 INT WINAPI GetBkMode( HDC hdc )
 179 {
 180     INT ret = 0;
 181     DC * dc = DC_GetDCPtr( hdc );
 182     if (dc)
 183     {
 184         ret = dc->backgroundMode;
 185         GDI_ReleaseObj( hdc );
 186     }
 187     return ret;
 188 }
 189
 190
 191 /***********************************************************************
 192  *              GetMapMode (GDI32.@)
 193  */
 194 INT WINAPI GetMapMode( HDC hdc )
 195 {
 196     INT ret = 0;
 197     DC * dc = DC_GetDCPtr( hdc );
 198     if (dc)
 199     {
 200         ret = dc->MapMode;
 201         GDI_ReleaseObj( hdc );
 202     }
 203     return ret;
 204 }
 205
 206
 207 /***********************************************************************
 208  *              GetPolyFillMode (GDI32.@)
 209  */
 210 INT WINAPI GetPolyFillMode( HDC hdc )
 211 {
 212     INT ret = 0;
 213     DC * dc = DC_GetDCPtr( hdc );
 214     if (dc)
 215     {
 216         ret = dc->polyFillMode;
 217         GDI_ReleaseObj( hdc );
 218     }
 219     return ret;
 220 }
 221
 222
 223 /***********************************************************************
 224  *              GetROP2 (GDI32.@)
 225  */
 226 INT WINAPI GetROP2( HDC hdc )
 227 {
 228     INT ret = 0;
 229     DC * dc = DC_GetDCPtr( hdc );
 230     if (dc)
 231     {
 232         ret = dc->ROPmode;
 233         GDI_ReleaseObj( hdc );
 234     }
 235     return ret;
 236 }
 237
 238
 239 /***********************************************************************
 240  *              GetStretchBltMode (GDI32.@)
 241  */
 242 INT WINAPI GetStretchBltMode( HDC hdc )
 243 {
 244     INT ret = 0;
 245     DC * dc = DC_GetDCPtr( hdc );
 246     if (dc)
 247     {
 248         ret = dc->stretchBltMode;
 249         GDI_ReleaseObj( hdc );
 250     }
 251     return ret;
 252 }
 253
 254
 255 /***********************************************************************
 256  *              GetTextColor (GDI32.@)
 257  */
 258 COLORREF WINAPI GetTextColor( HDC hdc )
 259 {
 260     COLORREF ret = 0;
 261     DC * dc = DC_GetDCPtr( hdc );
 262     if (dc)
 263     {
 264         ret = dc->textColor;
 265         GDI_ReleaseObj( hdc );
 266     }
 267     return ret;
 268 }
 269
 270
 271 /***********************************************************************
 272  *              GetTextAlign (GDI32.@)
 273  */
 274 UINT WINAPI GetTextAlign( HDC hdc )
 275 {
 276     UINT ret = 0;
 277     DC * dc = DC_GetDCPtr( hdc );
 278     if (dc)
 279     {
 280         ret = dc->textAlign;
 281         GDI_ReleaseObj( hdc );
 282     }
 283     return ret;
 284 }
 285
 286
 287 /***********************************************************************
 288  *              GetArcDirection (GDI32.@)
 289  */
 290 INT WINAPI GetArcDirection( HDC hdc )
 291 {
 292     INT ret = 0;
 293     DC * dc = DC_GetDCPtr( hdc );
 294     if (dc)
 295     {
 296         ret = dc->ArcDirection;
 297         GDI_ReleaseObj( hdc );
 298     }
 299     return ret;
 300 }
 301
 302
 303 /***********************************************************************
 304  *              GetGraphicsMode (GDI32.@)
 305  */
 306 INT WINAPI GetGraphicsMode( HDC hdc )
 307 {
 308     INT ret = 0;
 309     DC * dc = DC_GetDCPtr( hdc );
 310     if (dc)
 311     {
 312         ret = dc->GraphicsMode;
 313         GDI_ReleaseObj( hdc );
 314     }
 315     return ret;
 316 }
 317
 318
 319 /***********************************************************************
 320  *              GetBrushOrgEx (GDI32.@)
 321  */
 322 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
 323 {
 324     DC * dc = DC_GetDCPtr( hdc );
 325     if (!dc) return FALSE;
 326     pt->x = dc->brushOrgX;
 327     pt->y = dc->brushOrgY;
 328     GDI_ReleaseObj( hdc );
 329     return TRUE;
 330 }
 331
 332
 333 /***********************************************************************
 334  *              GetCurrentPositionEx (GDI32.@)
 335  */
 336 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
 337 {
 338     DC * dc = DC_GetDCPtr( hdc );
 339     if (!dc) return FALSE;
 340     pt->x = dc->CursPosX;
 341     pt->y = dc->CursPosY;
 342     GDI_ReleaseObj( hdc );
 343     return TRUE;
 344 }
 345
 346
 347 /***********************************************************************
 348  *              GetViewportExtEx (GDI32.@)
 349  */
 350 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
 351 {
 352     DC * dc = DC_GetDCPtr( hdc );
 353     if (!dc) return FALSE;
 354     size->cx = dc->vportExtX;
 355     size->cy = dc->vportExtY;
 356     GDI_ReleaseObj( hdc );
 357     return TRUE;
 358 }
 359
 360
 361 /***********************************************************************
 362  *              GetViewportOrgEx (GDI32.@)
 363  */
 364 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
 365 {
 366     DC * dc = DC_GetDCPtr( hdc );
 367     if (!dc) return FALSE;
 368     pt->x = dc->vportOrgX;
 369     pt->y = dc->vportOrgY;
 370     GDI_ReleaseObj( hdc );
 371     return TRUE;
 372 }
 373
 374
 375 /***********************************************************************
 376  *              GetWindowExtEx (GDI32.@)
 377  */
 378 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
 379 {
 380     DC * dc = DC_GetDCPtr( hdc );
 381     if (!dc) return FALSE;
 382     size->cx = dc->wndExtX;
 383     size->cy = dc->wndExtY;
 384     GDI_ReleaseObj( hdc );
 385     return TRUE;
 386 }
 387
 388
 389 /***********************************************************************
 390  *              GetWindowOrgEx (GDI32.@)
 391  */
 392 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
 393 {
 394     DC * dc = DC_GetDCPtr( hdc );
 395     if (!dc) return FALSE;
 396     pt->x = dc->wndOrgX;
 397     pt->y = dc->wndOrgY;
 398     GDI_ReleaseObj( hdc );
 399     return TRUE;
 400 }
 401
 402
 403 /**** 16-bit functions ***/
 404
 405 /***********************************************************************
 406  *              InquireVisRgn   (GDI.131)
 407  */
 408 HRGN16 WINAPI InquireVisRgn16( HDC16 hdc )
 409 {
 410     HRGN16 ret = 0;
 411     DC * dc = DC_GetDCPtr( HDC_32(hdc) );
 412     if (dc)
 413     {
 414         ret = HRGN_16(dc->hVisRgn);
 415         GDI_ReleaseObj( HDC_32(hdc) );
 416     }
 417     return ret;
 418 }
 419
 420
 421 /***********************************************************************
 422  *              GetClipRgn (GDI.173)
 423  */
 424 HRGN16 WINAPI GetClipRgn16( HDC16 hdc )
 425 {
 426     HRGN16 ret = 0;
 427     DC * dc = DC_GetDCPtr( HDC_32(hdc) );
 428     if (dc)
 429     {
 430         ret = HRGN_16(dc->hClipRgn);
 431         GDI_ReleaseObj( HDC_32(hdc) );
 432     }
 433     return ret;
 434 }