dlls/x11drv/init.c

   1 /*
   2  * X11 graphics driver initialisation functions
   3  *
   4  * Copyright 1996 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 #include <string.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "x11drv.h"
  30 #include "x11font.h"
  31 #include "ddrawi.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  35
  36 Display *gdi_display;  /* display to use for all GDI functions */
  37
  38 /* a few dynamic device caps */
  39 static int log_pixels_x;  /* pixels per logical inch in x direction */
  40 static int log_pixels_y;  /* pixels per logical inch in y direction */
  41 static int horz_size;     /* horz. size of screen in millimeters */
  42 static int vert_size;     /* vert. size of screen in millimeters */
  43 static int palette_size;
  44 static int device_init_done;
  45 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
  46                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
  47                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
  48                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
  49
  50
  51 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  52 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  53
  54
  55 /******************************************************************************
  56  *      get_dpi
  57  *
  58  * get the dpi from the registry
  59  */
  60 static DWORD get_dpi( void )
  61 {
  62     DWORD dpi = 96;
  63     HKEY hkey;
  64
  65     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  66     {
  67         DWORD type, size, new_dpi;
  68
  69         size = sizeof(new_dpi);
  70         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  71         {
  72             if(type == REG_DWORD && new_dpi != 0)
  73                 dpi = new_dpi;
  74         }
  75         RegCloseKey(hkey);
  76     }
  77     return dpi;
  78 }
  79
  80 /**********************************************************************
  81  *           device_init
  82  *
  83  * Perform initializations needed upon creation of the first device.
  84  */
  85 static void device_init(void)
  86 {
  87     device_init_done = TRUE;
  88
  89     /* Initialize XRender */
  90     X11DRV_XRender_Init();
  91
  92     palette_size = X11DRV_PALETTE_Init();
  93
  94     X11DRV_BITMAP_Init();
  95
  96     /* Initialize device caps */
  97     log_pixels_x = log_pixels_y = get_dpi();
  98     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
  99     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
 100
 101     /* Initialize fonts and text caps */
 102     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
 103 }
 104
 105 /**********************************************************************
 106  *           X11DRV_GDI_Finalize
 107  */
 108 void X11DRV_GDI_Finalize(void)
 109 {
 110     X11DRV_PALETTE_Cleanup();
 111     XCloseDisplay( gdi_display );
 112     gdi_display = NULL;
 113 }
 114
 115 /**********************************************************************
 116  *           X11DRV_CreateDC
 117  */
 118 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
 119                       LPCWSTR output, const DEVMODEW* initData )
 120 {
 121     X11DRV_PDEVICE *physDev;
 122
 123     if (!device_init_done) device_init();
 124
 125     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
 126     if (!physDev) return FALSE;
 127
 128     *pdev = physDev;
 129     physDev->hdc = hdc;
 130
 131     if (GetObjectType( hdc ) == OBJ_MEMDC)
 132     {
 133         if (!BITMAP_stock_phys_bitmap.hbitmap)
 134             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
 135         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
 136         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
 137         physDev->depth     = 1;
 138     }
 139     else
 140     {
 141         physDev->bitmap    = NULL;
 142         physDev->drawable  = root_window;
 143         physDev->depth     = screen_depth;
 144     }
 145     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 146
 147     wine_tsx11_lock();
 148     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 149     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 150     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 151     XFlush( gdi_display );
 152     wine_tsx11_unlock();
 153     return TRUE;
 154 }
 155
 156
 157 /**********************************************************************
 158  *           X11DRV_DeleteDC
 159  */
 160 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 161 {
 162     if(physDev->xrender)
 163       X11DRV_XRender_DeleteDC( physDev );
 164     DeleteObject( physDev->region );
 165     wine_tsx11_lock();
 166     XFreeGC( gdi_display, physDev->gc );
 167     while (physDev->used_visuals-- > 0)
 168         XFree(physDev->visuals[physDev->used_visuals]);
 169     wine_tsx11_unlock();
 170     HeapFree( GetProcessHeap(), 0, physDev );
 171     return TRUE;
 172 }
 173
 174
 175 /***********************************************************************
 176  *           GetDeviceCaps    (X11DRV.@)
 177  */
 178 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 179 {
 180     switch(cap)
 181     {
 182     case DRIVERVERSION:
 183         return 0x300;
 184     case TECHNOLOGY:
 185         return DT_RASDISPLAY;
 186     case HORZSIZE:
 187         return horz_size;
 188     case VERTSIZE:
 189         return vert_size;
 190     case HORZRES:
 191         return screen_width;
 192     case VERTRES:
 193         return screen_height;
 194     case BITSPIXEL:
 195         return screen_depth;
 196     case PLANES:
 197         return 1;
 198     case NUMBRUSHES:
 199         return -1;
 200     case NUMPENS:
 201         return -1;
 202     case NUMMARKERS:
 203         return 0;
 204     case NUMFONTS:
 205         return 0;
 206     case NUMCOLORS:
 207         /* MSDN: Number of entries in the device's color table, if the device has
 208          * a color depth of no more than 8 bits per pixel.For devices with greater
 209          * color depths, -1 is returned. */
 210         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 211     case PDEVICESIZE:
 212         return sizeof(X11DRV_PDEVICE);
 213     case CURVECAPS:
 214         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 215                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 216     case LINECAPS:
 217         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 218                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 219     case POLYGONALCAPS:
 220         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 221                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 222     case TEXTCAPS:
 223         return text_caps;
 224     case CLIPCAPS:
 225         return CP_REGION;
 226     case RASTERCAPS:
 227         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 228                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 229                 (palette_size ? RC_PALETTE : 0));
 230     case ASPECTX:
 231     case ASPECTY:
 232         return 36;
 233     case ASPECTXY:
 234         return 51;
 235     case LOGPIXELSX:
 236         return log_pixels_x;
 237     case LOGPIXELSY:
 238         return log_pixels_y;
 239     case CAPS1:
 240         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 241         /* please see wingdi.h for the possible bit-flag values that need
 242            to be returned. also, see
 243            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
 244         return 0;
 245     case SIZEPALETTE:
 246         return palette_size;
 247     case NUMRESERVED:
 248     case COLORRES:
 249     case PHYSICALWIDTH:
 250     case PHYSICALHEIGHT:
 251     case PHYSICALOFFSETX:
 252     case PHYSICALOFFSETY:
 253     case SCALINGFACTORX:
 254     case SCALINGFACTORY:
 255     case VREFRESH:
 256     case DESKTOPVERTRES:
 257     case DESKTOPHORZRES:
 258     case BTLALIGNMENT:
 259         return 0;
 260     default:
 261         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 262         return 0;
 263     }
 264 }
 265
 266
 267 /**********************************************************************
 268  *           ExtEscape  (X11DRV.@)
 269  */
 270 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 271                       INT out_count, LPVOID out_data )
 272 {
 273     switch(escape)
 274     {
 275     case QUERYESCSUPPORT:
 276         if (in_data)
 277         {
 278             switch (*(const INT *)in_data)
 279             {
 280             case DCICOMMAND:
 281                 return DD_HAL_VERSION;
 282             case X11DRV_ESCAPE:
 283                 return TRUE;
 284             }
 285         }
 286         break;
 287
 288     case DCICOMMAND:
 289         if (in_data)
 290         {
 291             const DCICMD *lpCmd = in_data;
 292             if (lpCmd->dwVersion != DD_VERSION) break;
 293             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 294         }
 295         break;
 296
 297     case X11DRV_ESCAPE:
 298         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 299         {
 300             switch(*(const enum x11drv_escape_codes *)in_data)
 301             {
 302             case X11DRV_GET_DISPLAY:
 303                 if (out_count >= sizeof(Display *))
 304                 {
 305                     *(Display **)out_data = gdi_display;
 306                     return TRUE;
 307                 }
 308                 break;
 309             case X11DRV_GET_DRAWABLE:
 310                 if (out_count >= sizeof(Drawable))
 311                 {
 312                     *(Drawable *)out_data = physDev->drawable;
 313                     return TRUE;
 314                 }
 315                 break;
 316             case X11DRV_GET_FONT:
 317                 if (out_count >= sizeof(Font))
 318                 {
 319                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 320                     if (pfo == NULL) return FALSE;
 321                     *(Font *)out_data = pfo->fs->fid;
 322                     return TRUE;
 323                 }
 324                 break;
 325             case X11DRV_SET_DRAWABLE:
 326                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 327                 {
 328                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
 329                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 330                     physDev->org = data->org;
 331                     physDev->drawable = data->drawable;
 332                     physDev->drawable_org = data->drawable_org;
 333                     wine_tsx11_lock();
 334                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 335                     wine_tsx11_unlock();
 336                     return TRUE;
 337                 }
 338                 break;
 339             case X11DRV_START_EXPOSURES:
 340                 wine_tsx11_lock();
 341                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 342                 wine_tsx11_unlock();
 343                 physDev->exposures = 0;
 344                 return TRUE;
 345             case X11DRV_END_EXPOSURES:
 346                 if (out_count >= sizeof(HRGN))
 347                 {
 348                     HRGN hrgn = 0, tmp = 0;
 349
 350                     wine_tsx11_lock();
 351                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 352                     if (physDev->exposures)
 353                     {
 354                         for (;;)
 355                         {
 356                             XEvent event;
 357
 358                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 359                             if (event.type == NoExpose) break;
 360                             if (event.type == GraphicsExpose)
 361                             {
 362                                 int x = event.xgraphicsexpose.x - physDev->org.x;
 363                                 int y = event.xgraphicsexpose.y - physDev->org.y;
 364
 365                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 366                                        event.xgraphicsexpose.width,
 367                                        event.xgraphicsexpose.height,
 368                                        event.xgraphicsexpose.count );
 369
 370                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 371                                 SetRectRgn( tmp, x, y,
 372                                             x + event.xgraphicsexpose.width,
 373                                             y + event.xgraphicsexpose.height );
 374                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 375                                 else
 376                                 {
 377                                     hrgn = tmp;
 378                                     tmp = 0;
 379                                 }
 380                                 if (!event.xgraphicsexpose.count) break;
 381                             }
 382                             else
 383                             {
 384                                 ERR( "got unexpected event %d\n", event.type );
 385                                 break;
 386                             }
 387                         }
 388                         if (tmp) DeleteObject( tmp );
 389                     }
 390                     wine_tsx11_unlock();
 391                     *(HRGN *)out_data = hrgn;
 392                     return TRUE;
 393                 }
 394                 break;
 395             case X11DRV_GET_DCE:
 396                 if (out_count >= sizeof(struct dce *))
 397                 {
 398                     *(struct dce **)out_data = physDev->dce;
 399                     return TRUE;
 400                 }
 401                 break;
 402             case X11DRV_SET_DCE:
 403                 if (in_count >= sizeof(struct x11drv_escape_set_dce))
 404                 {
 405                     const struct x11drv_escape_set_dce *data = (const struct x11drv_escape_set_dce *)in_data;
 406                     physDev->dce = data->dce;
 407                     return TRUE;
 408                 }
 409                 break;
 410             case X11DRV_GET_GLX_DRAWABLE:
 411                 if (out_count >= sizeof(Drawable))
 412                 {
 413                     if(physDev->bitmap)
 414                     {
 415                         if(!physDev->bitmap->glxpixmap)
 416                             physDev->bitmap->glxpixmap = create_glxpixmap(physDev);
 417
 418                         *(Drawable *)out_data = physDev->bitmap->glxpixmap;
 419                     }
 420                     else
 421                         *(Drawable *)out_data = physDev->drawable;
 422                     return TRUE;
 423                 }
 424                 break;
 425             }
 426         }
 427         break;
 428     }
 429     return 0;
 430 }