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 "x11drv.h"
  29 #include "x11font.h"
  30 #include "ddrawi.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  34
  35 Display *gdi_display;  /* display to use for all GDI functions */
  36
  37 /* a few dynamic device caps */
  38 static int log_pixels_x;  /* pixels per logical inch in x direction */
  39 static int log_pixels_y;  /* pixels per logical inch in y direction */
  40 static int horz_size;     /* horz. size of screen in millimeters */
  41 static int vert_size;     /* vert. size of screen in millimeters */
  42 static int palette_size;
  43 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
  44                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
  45                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
  46                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
  47
  48
  49 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  50 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  51
  52 static const WCHAR INIFontSection[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
  53                                        'W','i','n','e','\\','C','o','n','f','i','g','\\',
  54                                        'f','o','n','t','s','\0'};
  55 static const WCHAR INIResolution[] = {'R','e','s','o','l','u','t','i','o','n','\0'};
  56
  57 /******************************************************************************
  58  *      get_dpi
  59  *
  60  * get the dpi from the registry
  61  */
  62 static DWORD get_dpi( void )
  63 {
  64     DWORD dpi = 96;
  65     HKEY hkey;
  66
  67     if(RegOpenKeyW(HKEY_LOCAL_MACHINE, INIFontSection, &hkey) == ERROR_SUCCESS)
  68     {
  69         char buffer[20];
  70         DWORD type, count = sizeof(buffer);
  71         if(RegQueryValueExW(hkey, INIResolution, 0, &type, buffer, &count) == ERROR_SUCCESS)
  72             if(atoi(buffer) != 96)
  73                 MESSAGE("Please use the registry key HKEY_CURRENT_CONFIG\\Software\\Fonts\\LogPixels\n"
  74                         "to set the screen resolution and remove the \"Resolution\" entry in the config file\n");
  75         RegCloseKey(hkey);
  76     }
  77
  78     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  79     {
  80         DWORD type, size, new_dpi;
  81
  82         size = sizeof(new_dpi);
  83         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  84         {
  85             if(type == REG_DWORD && new_dpi != 0)
  86                 dpi = new_dpi;
  87         }
  88         RegCloseKey(hkey);
  89     }
  90     return dpi;
  91 }
  92
  93 /**********************************************************************
  94  *           X11DRV_GDI_Initialize
  95  */
  96 void X11DRV_GDI_Initialize( Display *display )
  97 {
  98     gdi_display = display;
  99
 100     palette_size = X11DRV_PALETTE_Init();
 101
 102     X11DRV_BITMAP_Init();
 103
 104     /* Initialize XRender */
 105     X11DRV_XRender_Init();
 106
 107     /* Initialize device caps */
 108     log_pixels_x = log_pixels_y = get_dpi();
 109     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
 110     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
 111
 112     /* Initialize fonts and text caps */
 113     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
 114 }
 115
 116 /**********************************************************************
 117  *           X11DRV_GDI_Finalize
 118  */
 119 void X11DRV_GDI_Finalize(void)
 120 {
 121     X11DRV_PALETTE_Cleanup();
 122     XCloseDisplay( gdi_display );
 123     gdi_display = NULL;
 124 }
 125
 126 /**********************************************************************
 127  *           X11DRV_CreateDC
 128  */
 129 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
 130                       LPCWSTR output, const DEVMODEW* initData )
 131 {
 132     X11DRV_PDEVICE *physDev;
 133
 134     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
 135     if (!physDev) return FALSE;
 136
 137     *pdev = physDev;
 138     physDev->hdc = hdc;
 139
 140     if (GetObjectType( hdc ) == OBJ_MEMDC)
 141     {
 142         physDev->drawable  = BITMAP_stock_pixmap;
 143         physDev->depth     = 1;
 144     }
 145     else
 146     {
 147         physDev->drawable  = root_window;
 148         physDev->depth     = screen_depth;
 149     }
 150     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 151
 152     wine_tsx11_lock();
 153     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 154     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 155     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 156     XFlush( gdi_display );
 157     wine_tsx11_unlock();
 158     return TRUE;
 159 }
 160
 161
 162 /**********************************************************************
 163  *           X11DRV_DeleteDC
 164  */
 165 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 166 {
 167     if(physDev->xrender)
 168       X11DRV_XRender_DeleteDC( physDev );
 169     DeleteObject( physDev->region );
 170     wine_tsx11_lock();
 171     XFreeGC( gdi_display, physDev->gc );
 172     while (physDev->used_visuals-- > 0)
 173         XFree(physDev->visuals[physDev->used_visuals]);
 174     wine_tsx11_unlock();
 175     HeapFree( GetProcessHeap(), 0, physDev );
 176     return TRUE;
 177 }
 178
 179
 180 /***********************************************************************
 181  *           GetDeviceCaps    (X11DRV.@)
 182  */
 183 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 184 {
 185     switch(cap)
 186     {
 187     case DRIVERVERSION:
 188         return 0x300;
 189     case TECHNOLOGY:
 190         return DT_RASDISPLAY;
 191     case HORZSIZE:
 192         return horz_size;
 193     case VERTSIZE:
 194         return vert_size;
 195     case HORZRES:
 196         return screen_width;
 197     case VERTRES:
 198         return screen_height;
 199     case BITSPIXEL:
 200         return screen_depth;
 201     case PLANES:
 202         return 1;
 203     case NUMBRUSHES:
 204         return -1;
 205     case NUMPENS:
 206         return -1;
 207     case NUMMARKERS:
 208         return 0;
 209     case NUMFONTS:
 210         return 0;
 211     case NUMCOLORS:
 212         /* MSDN: Number of entries in the device's color table, if the device has
 213          * a color depth of no more than 8 bits per pixel.For devices with greater
 214          * color depths, -1 is returned. */
 215         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 216     case PDEVICESIZE:
 217         return sizeof(X11DRV_PDEVICE);
 218     case CURVECAPS:
 219         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 220                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 221     case LINECAPS:
 222         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 223                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 224     case POLYGONALCAPS:
 225         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 226                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 227     case TEXTCAPS:
 228         return text_caps;
 229     case CLIPCAPS:
 230         return CP_REGION;
 231     case RASTERCAPS:
 232         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 233                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 234                 (palette_size ? RC_PALETTE : 0));
 235     case ASPECTX:
 236     case ASPECTY:
 237         return 36;
 238     case ASPECTXY:
 239         return 51;
 240     case LOGPIXELSX:
 241         return log_pixels_x;
 242     case LOGPIXELSY:
 243         return log_pixels_y;
 244     case CAPS1:
 245         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 246         /* please see wingdi.h for the possible bit-flag values that need
 247            to be returned. also, see
 248            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
 249         return 0;
 250     case SIZEPALETTE:
 251         return palette_size;
 252     case NUMRESERVED:
 253     case COLORRES:
 254     case PHYSICALWIDTH:
 255     case PHYSICALHEIGHT:
 256     case PHYSICALOFFSETX:
 257     case PHYSICALOFFSETY:
 258     case SCALINGFACTORX:
 259     case SCALINGFACTORY:
 260     case VREFRESH:
 261     case DESKTOPVERTRES:
 262     case DESKTOPHORZRES:
 263     case BTLALIGNMENT:
 264         return 0;
 265     default:
 266         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 267         return 0;
 268     }
 269 }
 270
 271
 272 /**********************************************************************
 273  *           ExtEscape  (X11DRV.@)
 274  */
 275 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 276                       INT out_count, LPVOID out_data )
 277 {
 278     switch(escape)
 279     {
 280     case QUERYESCSUPPORT:
 281         if (in_data)
 282         {
 283             switch (*(INT *)in_data)
 284             {
 285             case DCICOMMAND:
 286                 return DD_HAL_VERSION;
 287             case X11DRV_ESCAPE:
 288                 return TRUE;
 289             }
 290         }
 291         break;
 292
 293     case DCICOMMAND:
 294         if (in_data)
 295         {
 296             const DCICMD *lpCmd = in_data;
 297             if (lpCmd->dwVersion != DD_VERSION) break;
 298             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 299         }
 300         break;
 301
 302     case X11DRV_ESCAPE:
 303         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 304         {
 305             switch(*(enum x11drv_escape_codes *)in_data)
 306             {
 307             case X11DRV_GET_DISPLAY:
 308                 if (out_count >= sizeof(Display *))
 309                 {
 310                     *(Display **)out_data = gdi_display;
 311                     return TRUE;
 312                 }
 313                 break;
 314             case X11DRV_GET_DRAWABLE:
 315                 if (out_count >= sizeof(Drawable))
 316                 {
 317                     *(Drawable *)out_data = physDev->drawable;
 318                     return TRUE;
 319                 }
 320                 break;
 321             case X11DRV_GET_FONT:
 322                 if (out_count >= sizeof(Font))
 323                 {
 324                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 325                     if (pfo == NULL) return FALSE;
 326                     *(Font *)out_data = pfo->fs->fid;
 327                     return TRUE;
 328                 }
 329                 break;
 330             case X11DRV_SET_DRAWABLE:
 331                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 332                 {
 333                     struct x11drv_escape_set_drawable *data = (struct x11drv_escape_set_drawable *)in_data;
 334                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 335                     physDev->org = data->org;
 336                     physDev->drawable = data->drawable;
 337                     physDev->drawable_org = data->drawable_org;
 338                     wine_tsx11_lock();
 339                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 340                     wine_tsx11_unlock();
 341                     return TRUE;
 342                 }
 343                 break;
 344             case X11DRV_START_EXPOSURES:
 345                 wine_tsx11_lock();
 346                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 347                 wine_tsx11_unlock();
 348                 physDev->exposures = 0;
 349                 return TRUE;
 350             case X11DRV_END_EXPOSURES:
 351                 if (out_count >= sizeof(HRGN))
 352                 {
 353                     HRGN hrgn = 0, tmp = 0;
 354
 355                     wine_tsx11_lock();
 356                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 357                     if (physDev->exposures)
 358                     {
 359                         for (;;)
 360                         {
 361                             XEvent event;
 362
 363                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 364                             if (event.type == NoExpose) break;
 365                             if (event.type == GraphicsExpose)
 366                             {
 367                                 int x = event.xgraphicsexpose.x - physDev->org.x;
 368                                 int y = event.xgraphicsexpose.y - physDev->org.y;
 369
 370                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 371                                        event.xgraphicsexpose.width,
 372                                        event.xgraphicsexpose.height,
 373                                        event.xgraphicsexpose.count );
 374
 375                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 376                                 SetRectRgn( tmp, x, y,
 377                                             x + event.xgraphicsexpose.width,
 378                                             y + event.xgraphicsexpose.height );
 379                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 380                                 else
 381                                 {
 382                                     hrgn = tmp;
 383                                     tmp = 0;
 384                                 }
 385                                 if (!event.xgraphicsexpose.count) break;
 386                             }
 387                             else
 388                             {
 389                                 ERR( "got unexpected event %d\n", event.type );
 390                                 break;
 391                             }
 392                         }
 393                         if (tmp) DeleteObject( tmp );
 394                     }
 395                     wine_tsx11_unlock();
 396                     *(HRGN *)out_data = hrgn;
 397                     return TRUE;
 398                 }
 399                 break;
 400             }
 401         }
 402         break;
 403     }
 404     return 0;
 405 }