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 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
  45                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
  46                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
  47                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
  48
  49
  50 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  51 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  52
  53
  54 /******************************************************************************
  55  *      get_dpi
  56  *
  57  * get the dpi from the registry
  58  */
  59 static DWORD get_dpi( void )
  60 {
  61     DWORD dpi = 96;
  62     HKEY hkey;
  63
  64     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  65     {
  66         DWORD type, size, new_dpi;
  67
  68         size = sizeof(new_dpi);
  69         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  70         {
  71             if(type == REG_DWORD && new_dpi != 0)
  72                 dpi = new_dpi;
  73         }
  74         RegCloseKey(hkey);
  75     }
  76     return dpi;
  77 }
  78
  79 /**********************************************************************
  80  *           X11DRV_GDI_Initialize
  81  */
  82 void X11DRV_GDI_Initialize( Display *display )
  83 {
  84     gdi_display = display;
  85
  86     /* Initialize XRender */
  87     X11DRV_XRender_Init();
  88
  89     palette_size = X11DRV_PALETTE_Init();
  90
  91     X11DRV_BITMAP_Init();
  92
  93     /* Initialize device caps */
  94     log_pixels_x = log_pixels_y = get_dpi();
  95     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
  96     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
  97
  98     /* Initialize fonts and text caps */
  99     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
 100 }
 101
 102 /**********************************************************************
 103  *           X11DRV_GDI_Finalize
 104  */
 105 void X11DRV_GDI_Finalize(void)
 106 {
 107     X11DRV_PALETTE_Cleanup();
 108     XCloseDisplay( gdi_display );
 109     gdi_display = NULL;
 110 }
 111
 112 /**********************************************************************
 113  *           X11DRV_CreateDC
 114  */
 115 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
 116                       LPCWSTR output, const DEVMODEW* initData )
 117 {
 118     X11DRV_PDEVICE *physDev;
 119
 120     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
 121     if (!physDev) return FALSE;
 122
 123     *pdev = physDev;
 124     physDev->hdc = hdc;
 125
 126     if (GetObjectType( hdc ) == OBJ_MEMDC)
 127     {
 128         if (!BITMAP_stock_phys_bitmap.hbitmap)
 129             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
 130         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
 131         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
 132         physDev->depth     = 1;
 133     }
 134     else
 135     {
 136         physDev->bitmap    = NULL;
 137         physDev->drawable  = root_window;
 138         physDev->depth     = screen_depth;
 139     }
 140     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 141
 142     wine_tsx11_lock();
 143     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 144     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 145     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 146     XFlush( gdi_display );
 147     wine_tsx11_unlock();
 148     return TRUE;
 149 }
 150
 151
 152 /**********************************************************************
 153  *           X11DRV_DeleteDC
 154  */
 155 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 156 {
 157     if(physDev->xrender)
 158       X11DRV_XRender_DeleteDC( physDev );
 159     DeleteObject( physDev->region );
 160     wine_tsx11_lock();
 161     XFreeGC( gdi_display, physDev->gc );
 162     while (physDev->used_visuals-- > 0)
 163         XFree(physDev->visuals[physDev->used_visuals]);
 164     wine_tsx11_unlock();
 165     HeapFree( GetProcessHeap(), 0, physDev );
 166     return TRUE;
 167 }
 168
 169
 170 /***********************************************************************
 171  *           GetDeviceCaps    (X11DRV.@)
 172  */
 173 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 174 {
 175     switch(cap)
 176     {
 177     case DRIVERVERSION:
 178         return 0x300;
 179     case TECHNOLOGY:
 180         return DT_RASDISPLAY;
 181     case HORZSIZE:
 182         return horz_size;
 183     case VERTSIZE:
 184         return vert_size;
 185     case HORZRES:
 186         return screen_width;
 187     case VERTRES:
 188         return screen_height;
 189     case BITSPIXEL:
 190         return screen_depth;
 191     case PLANES:
 192         return 1;
 193     case NUMBRUSHES:
 194         return -1;
 195     case NUMPENS:
 196         return -1;
 197     case NUMMARKERS:
 198         return 0;
 199     case NUMFONTS:
 200         return 0;
 201     case NUMCOLORS:
 202         /* MSDN: Number of entries in the device's color table, if the device has
 203          * a color depth of no more than 8 bits per pixel.For devices with greater
 204          * color depths, -1 is returned. */
 205         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 206     case PDEVICESIZE:
 207         return sizeof(X11DRV_PDEVICE);
 208     case CURVECAPS:
 209         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 210                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 211     case LINECAPS:
 212         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 213                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 214     case POLYGONALCAPS:
 215         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 216                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 217     case TEXTCAPS:
 218         return text_caps;
 219     case CLIPCAPS:
 220         return CP_REGION;
 221     case RASTERCAPS:
 222         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 223                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 224                 (palette_size ? RC_PALETTE : 0));
 225     case ASPECTX:
 226     case ASPECTY:
 227         return 36;
 228     case ASPECTXY:
 229         return 51;
 230     case LOGPIXELSX:
 231         return log_pixels_x;
 232     case LOGPIXELSY:
 233         return log_pixels_y;
 234     case CAPS1:
 235         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 236         /* please see wingdi.h for the possible bit-flag values that need
 237            to be returned. also, see
 238            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
 239         return 0;
 240     case SIZEPALETTE:
 241         return palette_size;
 242     case NUMRESERVED:
 243     case COLORRES:
 244     case PHYSICALWIDTH:
 245     case PHYSICALHEIGHT:
 246     case PHYSICALOFFSETX:
 247     case PHYSICALOFFSETY:
 248     case SCALINGFACTORX:
 249     case SCALINGFACTORY:
 250     case VREFRESH:
 251     case DESKTOPVERTRES:
 252     case DESKTOPHORZRES:
 253     case BTLALIGNMENT:
 254         return 0;
 255     default:
 256         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 257         return 0;
 258     }
 259 }
 260
 261
 262 /**********************************************************************
 263  *           ExtEscape  (X11DRV.@)
 264  */
 265 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 266                       INT out_count, LPVOID out_data )
 267 {
 268     switch(escape)
 269     {
 270     case QUERYESCSUPPORT:
 271         if (in_data)
 272         {
 273             switch (*(const INT *)in_data)
 274             {
 275             case DCICOMMAND:
 276                 return DD_HAL_VERSION;
 277             case X11DRV_ESCAPE:
 278                 return TRUE;
 279             }
 280         }
 281         break;
 282
 283     case DCICOMMAND:
 284         if (in_data)
 285         {
 286             const DCICMD *lpCmd = in_data;
 287             if (lpCmd->dwVersion != DD_VERSION) break;
 288             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 289         }
 290         break;
 291
 292     case X11DRV_ESCAPE:
 293         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 294         {
 295             switch(*(const enum x11drv_escape_codes *)in_data)
 296             {
 297             case X11DRV_GET_DISPLAY:
 298                 if (out_count >= sizeof(Display *))
 299                 {
 300                     *(Display **)out_data = gdi_display;
 301                     return TRUE;
 302                 }
 303                 break;
 304             case X11DRV_GET_DRAWABLE:
 305                 if (out_count >= sizeof(Drawable))
 306                 {
 307                     *(Drawable *)out_data = physDev->drawable;
 308                     return TRUE;
 309                 }
 310                 break;
 311             case X11DRV_GET_FONT:
 312                 if (out_count >= sizeof(Font))
 313                 {
 314                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 315                     if (pfo == NULL) return FALSE;
 316                     *(Font *)out_data = pfo->fs->fid;
 317                     return TRUE;
 318                 }
 319                 break;
 320             case X11DRV_SET_DRAWABLE:
 321                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 322                 {
 323                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
 324                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 325                     physDev->org = data->org;
 326                     physDev->drawable = data->drawable;
 327                     physDev->drawable_org = data->drawable_org;
 328                     wine_tsx11_lock();
 329                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 330                     wine_tsx11_unlock();
 331                     return TRUE;
 332                 }
 333                 break;
 334             case X11DRV_START_EXPOSURES:
 335                 wine_tsx11_lock();
 336                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 337                 wine_tsx11_unlock();
 338                 physDev->exposures = 0;
 339                 return TRUE;
 340             case X11DRV_END_EXPOSURES:
 341                 if (out_count >= sizeof(HRGN))
 342                 {
 343                     HRGN hrgn = 0, tmp = 0;
 344
 345                     wine_tsx11_lock();
 346                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 347                     if (physDev->exposures)
 348                     {
 349                         for (;;)
 350                         {
 351                             XEvent event;
 352
 353                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 354                             if (event.type == NoExpose) break;
 355                             if (event.type == GraphicsExpose)
 356                             {
 357                                 int x = event.xgraphicsexpose.x - physDev->org.x;
 358                                 int y = event.xgraphicsexpose.y - physDev->org.y;
 359
 360                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 361                                        event.xgraphicsexpose.width,
 362                                        event.xgraphicsexpose.height,
 363                                        event.xgraphicsexpose.count );
 364
 365                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 366                                 SetRectRgn( tmp, x, y,
 367                                             x + event.xgraphicsexpose.width,
 368                                             y + event.xgraphicsexpose.height );
 369                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 370                                 else
 371                                 {
 372                                     hrgn = tmp;
 373                                     tmp = 0;
 374                                 }
 375                                 if (!event.xgraphicsexpose.count) break;
 376                             }
 377                             else
 378                             {
 379                                 ERR( "got unexpected event %d\n", event.type );
 380                                 break;
 381                             }
 382                         }
 383                         if (tmp) DeleteObject( tmp );
 384                     }
 385                     wine_tsx11_unlock();
 386                     *(HRGN *)out_data = hrgn;
 387                     return TRUE;
 388                 }
 389                 break;
 390             case X11DRV_GET_DCE:
 391                 if (out_count >= sizeof(struct dce *))
 392                 {
 393                     *(struct dce **)out_data = physDev->dce;
 394                     return TRUE;
 395                 }
 396                 break;
 397             case X11DRV_SET_DCE:
 398                 if (in_count >= sizeof(struct x11drv_escape_set_dce))
 399                 {
 400                     const struct x11drv_escape_set_dce *data = (const struct x11drv_escape_set_dce *)in_data;
 401                     physDev->dce = data->dce;
 402                     return TRUE;
 403                 }
 404                 break;
 405             }
 406         }
 407         break;
 408     }
 409     return 0;
 410 }