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     /* Initialize XRender */
 101     X11DRV_XRender_Init();
 102
 103     palette_size = X11DRV_PALETTE_Init();
 104
 105     X11DRV_BITMAP_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         if (!BITMAP_stock_phys_bitmap.hbitmap)
 143             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
 144         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
 145         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
 146         physDev->depth     = 1;
 147     }
 148     else
 149     {
 150         physDev->bitmap    = NULL;
 151         physDev->drawable  = root_window;
 152         physDev->depth     = screen_depth;
 153     }
 154     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 155
 156     wine_tsx11_lock();
 157     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 158     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 159     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 160     XFlush( gdi_display );
 161     wine_tsx11_unlock();
 162     return TRUE;
 163 }
 164
 165
 166 /**********************************************************************
 167  *           X11DRV_DeleteDC
 168  */
 169 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 170 {
 171     if(physDev->xrender)
 172       X11DRV_XRender_DeleteDC( physDev );
 173     DeleteObject( physDev->region );
 174     wine_tsx11_lock();
 175     XFreeGC( gdi_display, physDev->gc );
 176     while (physDev->used_visuals-- > 0)
 177         XFree(physDev->visuals[physDev->used_visuals]);
 178     wine_tsx11_unlock();
 179     HeapFree( GetProcessHeap(), 0, physDev );
 180     return TRUE;
 181 }
 182
 183
 184 /***********************************************************************
 185  *           GetDeviceCaps    (X11DRV.@)
 186  */
 187 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 188 {
 189     switch(cap)
 190     {
 191     case DRIVERVERSION:
 192         return 0x300;
 193     case TECHNOLOGY:
 194         return DT_RASDISPLAY;
 195     case HORZSIZE:
 196         return horz_size;
 197     case VERTSIZE:
 198         return vert_size;
 199     case HORZRES:
 200         return screen_width;
 201     case VERTRES:
 202         return screen_height;
 203     case BITSPIXEL:
 204         return screen_depth;
 205     case PLANES:
 206         return 1;
 207     case NUMBRUSHES:
 208         return -1;
 209     case NUMPENS:
 210         return -1;
 211     case NUMMARKERS:
 212         return 0;
 213     case NUMFONTS:
 214         return 0;
 215     case NUMCOLORS:
 216         /* MSDN: Number of entries in the device's color table, if the device has
 217          * a color depth of no more than 8 bits per pixel.For devices with greater
 218          * color depths, -1 is returned. */
 219         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 220     case PDEVICESIZE:
 221         return sizeof(X11DRV_PDEVICE);
 222     case CURVECAPS:
 223         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 224                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 225     case LINECAPS:
 226         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 227                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 228     case POLYGONALCAPS:
 229         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 230                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 231     case TEXTCAPS:
 232         return text_caps;
 233     case CLIPCAPS:
 234         return CP_REGION;
 235     case RASTERCAPS:
 236         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 237                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 238                 (palette_size ? RC_PALETTE : 0));
 239     case ASPECTX:
 240     case ASPECTY:
 241         return 36;
 242     case ASPECTXY:
 243         return 51;
 244     case LOGPIXELSX:
 245         return log_pixels_x;
 246     case LOGPIXELSY:
 247         return log_pixels_y;
 248     case CAPS1:
 249         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 250         /* please see wingdi.h for the possible bit-flag values that need
 251            to be returned. also, see
 252            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
 253         return 0;
 254     case SIZEPALETTE:
 255         return palette_size;
 256     case NUMRESERVED:
 257     case COLORRES:
 258     case PHYSICALWIDTH:
 259     case PHYSICALHEIGHT:
 260     case PHYSICALOFFSETX:
 261     case PHYSICALOFFSETY:
 262     case SCALINGFACTORX:
 263     case SCALINGFACTORY:
 264     case VREFRESH:
 265     case DESKTOPVERTRES:
 266     case DESKTOPHORZRES:
 267     case BTLALIGNMENT:
 268         return 0;
 269     default:
 270         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 271         return 0;
 272     }
 273 }
 274
 275
 276 /**********************************************************************
 277  *           ExtEscape  (X11DRV.@)
 278  */
 279 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 280                       INT out_count, LPVOID out_data )
 281 {
 282     switch(escape)
 283     {
 284     case QUERYESCSUPPORT:
 285         if (in_data)
 286         {
 287             switch (*(const INT *)in_data)
 288             {
 289             case DCICOMMAND:
 290                 return DD_HAL_VERSION;
 291             case X11DRV_ESCAPE:
 292                 return TRUE;
 293             }
 294         }
 295         break;
 296
 297     case DCICOMMAND:
 298         if (in_data)
 299         {
 300             const DCICMD *lpCmd = in_data;
 301             if (lpCmd->dwVersion != DD_VERSION) break;
 302             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 303         }
 304         break;
 305
 306     case X11DRV_ESCAPE:
 307         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 308         {
 309             switch(*(const enum x11drv_escape_codes *)in_data)
 310             {
 311             case X11DRV_GET_DISPLAY:
 312                 if (out_count >= sizeof(Display *))
 313                 {
 314                     *(Display **)out_data = gdi_display;
 315                     return TRUE;
 316                 }
 317                 break;
 318             case X11DRV_GET_DRAWABLE:
 319                 if (out_count >= sizeof(Drawable))
 320                 {
 321                     *(Drawable *)out_data = physDev->drawable;
 322                     return TRUE;
 323                 }
 324                 break;
 325             case X11DRV_GET_FONT:
 326                 if (out_count >= sizeof(Font))
 327                 {
 328                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 329                     if (pfo == NULL) return FALSE;
 330                     *(Font *)out_data = pfo->fs->fid;
 331                     return TRUE;
 332                 }
 333                 break;
 334             case X11DRV_SET_DRAWABLE:
 335                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 336                 {
 337                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
 338                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 339                     physDev->org = data->org;
 340                     physDev->drawable = data->drawable;
 341                     physDev->drawable_org = data->drawable_org;
 342                     wine_tsx11_lock();
 343                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 344                     wine_tsx11_unlock();
 345                     return TRUE;
 346                 }
 347                 break;
 348             case X11DRV_START_EXPOSURES:
 349                 wine_tsx11_lock();
 350                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 351                 wine_tsx11_unlock();
 352                 physDev->exposures = 0;
 353                 return TRUE;
 354             case X11DRV_END_EXPOSURES:
 355                 if (out_count >= sizeof(HRGN))
 356                 {
 357                     HRGN hrgn = 0, tmp = 0;
 358
 359                     wine_tsx11_lock();
 360                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 361                     if (physDev->exposures)
 362                     {
 363                         for (;;)
 364                         {
 365                             XEvent event;
 366
 367                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 368                             if (event.type == NoExpose) break;
 369                             if (event.type == GraphicsExpose)
 370                             {
 371                                 int x = event.xgraphicsexpose.x - physDev->org.x;
 372                                 int y = event.xgraphicsexpose.y - physDev->org.y;
 373
 374                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 375                                        event.xgraphicsexpose.width,
 376                                        event.xgraphicsexpose.height,
 377                                        event.xgraphicsexpose.count );
 378
 379                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 380                                 SetRectRgn( tmp, x, y,
 381                                             x + event.xgraphicsexpose.width,
 382                                             y + event.xgraphicsexpose.height );
 383                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 384                                 else
 385                                 {
 386                                     hrgn = tmp;
 387                                     tmp = 0;
 388                                 }
 389                                 if (!event.xgraphicsexpose.count) break;
 390                             }
 391                             else
 392                             {
 393                                 ERR( "got unexpected event %d\n", event.type );
 394                                 break;
 395                             }
 396                         }
 397                         if (tmp) DeleteObject( tmp );
 398                     }
 399                     wine_tsx11_unlock();
 400                     *(HRGN *)out_data = hrgn;
 401                     return TRUE;
 402                 }
 403                 break;
 404             case X11DRV_GET_DCE:
 405                 if (out_count >= sizeof(struct dce *))
 406                 {
 407                     *(struct dce **)out_data = physDev->dce;
 408                     return TRUE;
 409                 }
 410                 break;
 411             case X11DRV_SET_DCE:
 412                 if (in_count >= sizeof(struct x11drv_escape_set_dce))
 413                 {
 414                     const struct x11drv_escape_set_dce *data = (const struct x11drv_escape_set_dce *)in_data;
 415                     physDev->dce = data->dce;
 416                     return TRUE;
 417                 }
 418                 break;
 419             }
 420         }
 421         break;
 422     }
 423     return 0;
 424 }