dlls/winemac.drv/gdi.c

   1 /*
   2  * Mac graphics driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  * Copyright 2011, 2012, 2013 Ken Thomases for CodeWeavers, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include "macdrv.h"
  25 #include "winreg.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(macdrv);
  28
  29
  30 typedef struct
  31 {
  32     struct gdi_physdev  dev;
  33 } MACDRV_PDEVICE;
  34
  35 static inline MACDRV_PDEVICE *get_macdrv_dev(PHYSDEV dev)
  36 {
  37     return (MACDRV_PDEVICE*)dev;
  38 }
  39
  40
  41 /* a few dynamic device caps */
  42 static CGRect desktop_rect;     /* virtual desktop rectangle */
  43 static int log_pixels_x;        /* pixels per logical inch in x direction */
  44 static int log_pixels_y;        /* pixels per logical inch in y direction */
  45 static int horz_size;           /* horz. size of screen in millimeters */
  46 static int vert_size;           /* vert. size of screen in millimeters */
  47 static int horz_res;            /* width in pixels of screen */
  48 static int vert_res;            /* height in pixels of screen */
  49 static int desktop_horz_res;    /* width in pixels of virtual desktop */
  50 static int desktop_vert_res;    /* height in pixels of virtual desktop */
  51 static int bits_per_pixel;      /* pixel depth of screen */
  52 static int device_data_valid;   /* do the above variables have up-to-date values? */
  53
  54 static CRITICAL_SECTION device_data_section;
  55 static CRITICAL_SECTION_DEBUG critsect_debug =
  56 {
  57     0, 0, &device_data_section,
  58     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  59       0, 0, { (DWORD_PTR)(__FILE__ ": device_data_section") }
  60 };
  61 static CRITICAL_SECTION device_data_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  62
  63
  64 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  65 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  66
  67 static const struct gdi_dc_funcs macdrv_funcs;
  68
  69
  70 /******************************************************************************
  71  *              get_dpi
  72  *
  73  * get the dpi from the registry
  74  */
  75 static DWORD get_dpi(void)
  76 {
  77     DWORD dpi = 0;
  78     HKEY hkey;
  79
  80     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  81     {
  82         DWORD type, size, new_dpi;
  83
  84         size = sizeof(new_dpi);
  85         if (RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  86         {
  87             if (type == REG_DWORD && new_dpi != 0)
  88                 dpi = new_dpi;
  89         }
  90         RegCloseKey(hkey);
  91     }
  92     return dpi;
  93 }
  94
  95
  96 /***********************************************************************
  97  *              macdrv_get_desktop_rect
  98  *
  99  * Returns the rectangle encompassing all the screens.
 100  */
 101 CGRect macdrv_get_desktop_rect(void)
 102 {
 103     CGRect ret;
 104     CGDirectDisplayID displayIDs[32];
 105     uint32_t count, i;
 106
 107     EnterCriticalSection(&device_data_section);
 108
 109     if (!device_data_valid)
 110     {
 111         desktop_rect = CGRectNull;
 112         if (CGGetActiveDisplayList(sizeof(displayIDs)/sizeof(displayIDs[0]),
 113                                    displayIDs, &count) != kCGErrorSuccess ||
 114             !count)
 115         {
 116             displayIDs[0] = CGMainDisplayID();
 117             count = 1;
 118         }
 119
 120         for (i = 0; i < count; i++)
 121             desktop_rect = CGRectUnion(desktop_rect, CGDisplayBounds(displayIDs[i]));
 122     }
 123
 124     ret = desktop_rect;
 125     LeaveCriticalSection(&device_data_section);
 126
 127     TRACE("%s\n", wine_dbgstr_cgrect(ret));
 128
 129     return ret;
 130 }
 131
 132
 133 /**********************************************************************
 134  *              device_init
 135  *
 136  * Perform initializations needed upon creation of the first device.
 137  */
 138 static void device_init(void)
 139 {
 140     CGDirectDisplayID mainDisplay = CGMainDisplayID();
 141     CGSize size_mm = CGDisplayScreenSize(mainDisplay);
 142     CGDisplayModeRef mode = CGDisplayCopyDisplayMode(mainDisplay);
 143
 144     /* Initialize device caps */
 145     log_pixels_x = log_pixels_y = get_dpi();
 146     if (!log_pixels_x)
 147     {
 148         size_t width = CGDisplayPixelsWide(mainDisplay);
 149         size_t height = CGDisplayPixelsHigh(mainDisplay);
 150         log_pixels_x = MulDiv(width, 254, size_mm.width * 10);
 151         log_pixels_y = MulDiv(height, 254, size_mm.height * 10);
 152     }
 153
 154     horz_size = size_mm.width;
 155     vert_size = size_mm.height;
 156
 157     bits_per_pixel = 32;
 158     if (mode)
 159     {
 160         CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
 161
 162         horz_res = CGDisplayModeGetWidth(mode);
 163         vert_res = CGDisplayModeGetHeight(mode);
 164
 165         if (pixelEncoding)
 166         {
 167             if (CFEqual(pixelEncoding, CFSTR(IO32BitDirectPixels)))
 168                 bits_per_pixel = 32;
 169             else if (CFEqual(pixelEncoding, CFSTR(IO16BitDirectPixels)))
 170                 bits_per_pixel = 16;
 171             else if (CFEqual(pixelEncoding, CFSTR(IO8BitIndexedPixels)))
 172                 bits_per_pixel = 8;
 173             CFRelease(pixelEncoding);
 174         }
 175
 176         CGDisplayModeRelease(mode);
 177     }
 178     else
 179     {
 180         horz_res = CGDisplayPixelsWide(mainDisplay);
 181         vert_res = CGDisplayPixelsHigh(mainDisplay);
 182     }
 183
 184     macdrv_get_desktop_rect();
 185     desktop_horz_res = desktop_rect.size.width;
 186     desktop_vert_res = desktop_rect.size.height;
 187
 188     device_data_valid = TRUE;
 189 }
 190
 191
 192 void macdrv_reset_device_metrics(void)
 193 {
 194     EnterCriticalSection(&device_data_section);
 195     device_data_valid = FALSE;
 196     LeaveCriticalSection(&device_data_section);
 197 }
 198
 199
 200 static MACDRV_PDEVICE *create_mac_physdev(void)
 201 {
 202     MACDRV_PDEVICE *physDev;
 203
 204     EnterCriticalSection(&device_data_section);
 205     if (!device_data_valid) device_init();
 206     LeaveCriticalSection(&device_data_section);
 207
 208     if (!(physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev)))) return NULL;
 209
 210     return physDev;
 211 }
 212
 213
 214 /**********************************************************************
 215  *              CreateDC (MACDRV.@)
 216  */
 217 static BOOL macdrv_CreateDC(PHYSDEV *pdev, LPCWSTR driver, LPCWSTR device,
 218                             LPCWSTR output, const DEVMODEW* initData)
 219 {
 220     MACDRV_PDEVICE *physDev = create_mac_physdev();
 221
 222     TRACE("pdev %p hdc %p driver %s device %s output %s initData %p\n", pdev,
 223           (*pdev)->hdc, debugstr_w(driver),debugstr_w(device), debugstr_w(output),
 224           initData);
 225
 226     if (!physDev) return FALSE;
 227
 228     push_dc_driver(pdev, &physDev->dev, &macdrv_funcs);
 229     return TRUE;
 230 }
 231
 232
 233 /**********************************************************************
 234  *              CreateCompatibleDC (MACDRV.@)
 235  */
 236 static BOOL macdrv_CreateCompatibleDC(PHYSDEV orig, PHYSDEV *pdev)
 237 {
 238     MACDRV_PDEVICE *physDev = create_mac_physdev();
 239
 240     TRACE("orig %p orig->hdc %p pdev %p pdev->hdc %p\n", orig, (orig ? orig->hdc : NULL), pdev,
 241           ((pdev && *pdev) ? (*pdev)->hdc : NULL));
 242
 243     if (!physDev) return FALSE;
 244
 245     push_dc_driver(pdev, &physDev->dev, &macdrv_funcs);
 246     return TRUE;
 247 }
 248
 249
 250 /**********************************************************************
 251  *              DeleteDC (MACDRV.@)
 252  */
 253 static BOOL macdrv_DeleteDC(PHYSDEV dev)
 254 {
 255     MACDRV_PDEVICE *physDev = get_macdrv_dev(dev);
 256
 257     TRACE("hdc %p\n", dev->hdc);
 258
 259     HeapFree(GetProcessHeap(), 0, physDev);
 260     return TRUE;
 261 }
 262
 263
 264 /***********************************************************************
 265  *              GetDeviceCaps (MACDRV.@)
 266  */
 267 static INT macdrv_GetDeviceCaps(PHYSDEV dev, INT cap)
 268 {
 269     INT ret;
 270
 271     EnterCriticalSection(&device_data_section);
 272
 273     if (!device_data_valid) device_init();
 274
 275     switch(cap)
 276     {
 277     case DRIVERVERSION:
 278         ret = 0x300;
 279         break;
 280     case TECHNOLOGY:
 281         ret = DT_RASDISPLAY;
 282         break;
 283     case HORZSIZE:
 284         ret = horz_size;
 285         break;
 286     case VERTSIZE:
 287         ret = vert_size;
 288         break;
 289     case HORZRES:
 290         ret = horz_res;
 291         break;
 292     case VERTRES:
 293         ret = vert_res;
 294         break;
 295     case DESKTOPHORZRES:
 296         ret = desktop_horz_res;
 297         break;
 298     case DESKTOPVERTRES:
 299         ret = desktop_vert_res;
 300         break;
 301     case BITSPIXEL:
 302         ret = bits_per_pixel;
 303         break;
 304     case PLANES:
 305         ret = 1;
 306         break;
 307     case NUMBRUSHES:
 308         ret = -1;
 309         break;
 310     case NUMPENS:
 311         ret = -1;
 312         break;
 313     case NUMMARKERS:
 314         ret = 0;
 315         break;
 316     case NUMFONTS:
 317         ret = 0;
 318         break;
 319     case NUMCOLORS:
 320         /* MSDN: Number of entries in the device's color table, if the device has
 321          * a color depth of no more than 8 bits per pixel.For devices with greater
 322          * color depths, -1 is returned. */
 323         ret = (bits_per_pixel > 8) ? -1 : (1 << bits_per_pixel);
 324         break;
 325     case PDEVICESIZE:
 326         ret = sizeof(MACDRV_PDEVICE);
 327         break;
 328     case CURVECAPS:
 329         ret = (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 330                CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 331         break;
 332     case LINECAPS:
 333         ret = (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 334                LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 335         break;
 336     case POLYGONALCAPS:
 337         ret = (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 338                PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 339         break;
 340     case TEXTCAPS:
 341         ret = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 342                TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 343                TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 344         break;
 345     case CLIPCAPS:
 346         ret = CP_REGION;
 347         break;
 348     case COLORRES:
 349         /* The observed correspondence between BITSPIXEL and COLORRES is:
 350          * BITSPIXEL: 8  -> COLORRES: 18
 351          * BITSPIXEL: 16 -> COLORRES: 16
 352          * BITSPIXEL: 24 -> COLORRES: 24
 353          * (note that bits_per_pixel is never 24)
 354          * BITSPIXEL: 32 -> COLORRES: 24 */
 355         ret = (bits_per_pixel <= 8) ? 18 : (bits_per_pixel == 32) ? 24 : bits_per_pixel;
 356         break;
 357     case RASTERCAPS:
 358         ret = (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 359                RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 360                (bits_per_pixel <= 8 ? RC_PALETTE : 0));
 361         break;
 362     case SHADEBLENDCAPS:
 363         ret = (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 364         break;
 365     case ASPECTX:
 366     case ASPECTY:
 367         ret = 36;
 368         break;
 369     case ASPECTXY:
 370         ret = 51;
 371         break;
 372     case LOGPIXELSX:
 373         ret = log_pixels_x;
 374         break;
 375     case LOGPIXELSY:
 376         ret = log_pixels_y;
 377         break;
 378     case CAPS1:
 379         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", dev->hdc);
 380         /* please see wingdi.h for the possible bit-flag values that need
 381            to be returned. */
 382         ret = 0;
 383         break;
 384     case SIZEPALETTE:
 385         ret = bits_per_pixel <= 8 ? 1 << bits_per_pixel : 0;
 386         break;
 387     case NUMRESERVED:
 388     case PHYSICALWIDTH:
 389     case PHYSICALHEIGHT:
 390     case PHYSICALOFFSETX:
 391     case PHYSICALOFFSETY:
 392     case SCALINGFACTORX:
 393     case SCALINGFACTORY:
 394     case VREFRESH:
 395     case BLTALIGNMENT:
 396         ret = 0;
 397         break;
 398     default:
 399         FIXME("(%p): unsupported capability %d, will return 0\n", dev->hdc, cap);
 400         ret = 0;
 401         goto done;
 402     }
 403
 404     TRACE("cap %d -> %d\n", cap, ret);
 405
 406 done:
 407     LeaveCriticalSection(&device_data_section);
 408     return ret;
 409 }
 410
 411
 412 static const struct gdi_dc_funcs macdrv_funcs =
 413 {
 414     NULL,                                   /* pAbortDoc */
 415     NULL,                                   /* pAbortPath */
 416     NULL,                                   /* pAlphaBlend */
 417     NULL,                                   /* pAngleArc */
 418     NULL,                                   /* pArc */
 419     NULL,                                   /* pArcTo */
 420     NULL,                                   /* pBeginPath */
 421     NULL,                                   /* pBlendImage */
 422     NULL,                                   /* pChord */
 423     NULL,                                   /* pCloseFigure */
 424     macdrv_CreateCompatibleDC,              /* pCreateCompatibleDC */
 425     macdrv_CreateDC,                        /* pCreateDC */
 426     macdrv_DeleteDC,                        /* pDeleteDC */
 427     NULL,                                   /* pDeleteObject */
 428     NULL,                                   /* pDeviceCapabilities */
 429     NULL,                                   /* pEllipse */
 430     NULL,                                   /* pEndDoc */
 431     NULL,                                   /* pEndPage */
 432     NULL,                                   /* pEndPath */
 433     NULL,                                   /* pEnumFonts */
 434     NULL,                                   /* pEnumICMProfiles */
 435     NULL,                                   /* pExcludeClipRect */
 436     NULL,                                   /* pExtDeviceMode */
 437     NULL,                                   /* pExtEscape */
 438     NULL,                                   /* pExtFloodFill */
 439     NULL,                                   /* pExtSelectClipRgn */
 440     NULL,                                   /* pExtTextOut */
 441     NULL,                                   /* pFillPath */
 442     NULL,                                   /* pFillRgn */
 443     NULL,                                   /* pFlattenPath */
 444     NULL,                                   /* pFontIsLinked */
 445     NULL,                                   /* pFrameRgn */
 446     NULL,                                   /* pGdiComment */
 447     NULL,                                   /* pGdiRealizationInfo */
 448     NULL,                                   /* pGetBoundsRect */
 449     NULL,                                   /* pGetCharABCWidths */
 450     NULL,                                   /* pGetCharABCWidthsI */
 451     NULL,                                   /* pGetCharWidth */
 452     macdrv_GetDeviceCaps,                   /* pGetDeviceCaps */
 453     macdrv_GetDeviceGammaRamp,              /* pGetDeviceGammaRamp */
 454     NULL,                                   /* pGetFontData */
 455     NULL,                                   /* pGetFontUnicodeRanges */
 456     NULL,                                   /* pGetGlyphIndices */
 457     NULL,                                   /* pGetGlyphOutline */
 458     NULL,                                   /* pGetICMProfile */
 459     NULL,                                   /* pGetImage */
 460     NULL,                                   /* pGetKerningPairs */
 461     NULL,                                   /* pGetNearestColor */
 462     NULL,                                   /* pGetOutlineTextMetrics */
 463     NULL,                                   /* pGetPixel */
 464     NULL,                                   /* pGetSystemPaletteEntries */
 465     NULL,                                   /* pGetTextCharsetInfo */
 466     NULL,                                   /* pGetTextExtentExPoint */
 467     NULL,                                   /* pGetTextExtentExPointI */
 468     NULL,                                   /* pGetTextFace */
 469     NULL,                                   /* pGetTextMetrics */
 470     NULL,                                   /* pGradientFill */
 471     NULL,                                   /* pIntersectClipRect */
 472     NULL,                                   /* pInvertRgn */
 473     NULL,                                   /* pLineTo */
 474     NULL,                                   /* pModifyWorldTransform */
 475     NULL,                                   /* pMoveTo */
 476     NULL,                                   /* pOffsetClipRgn */
 477     NULL,                                   /* pOffsetViewportOrg */
 478     NULL,                                   /* pOffsetWindowOrg */
 479     NULL,                                   /* pPaintRgn */
 480     NULL,                                   /* pPatBlt */
 481     NULL,                                   /* pPie */
 482     NULL,                                   /* pPolyBezier */
 483     NULL,                                   /* pPolyBezierTo */
 484     NULL,                                   /* pPolyDraw */
 485     NULL,                                   /* pPolyPolygon */
 486     NULL,                                   /* pPolyPolyline */
 487     NULL,                                   /* pPolygon */
 488     NULL,                                   /* pPolyline */
 489     NULL,                                   /* pPolylineTo */
 490     NULL,                                   /* pPutImage */
 491     NULL,                                   /* pRealizeDefaultPalette */
 492     NULL,                                   /* pRealizePalette */
 493     NULL,                                   /* pRectangle */
 494     NULL,                                   /* pResetDC */
 495     NULL,                                   /* pRestoreDC */
 496     NULL,                                   /* pRoundRect */
 497     NULL,                                   /* pSaveDC */
 498     NULL,                                   /* pScaleViewportExt */
 499     NULL,                                   /* pScaleWindowExt */
 500     NULL,                                   /* pSelectBitmap */
 501     NULL,                                   /* pSelectBrush */
 502     NULL,                                   /* pSelectClipPath */
 503     NULL,                                   /* pSelectFont */
 504     NULL,                                   /* pSelectPalette */
 505     NULL,                                   /* pSelectPen */
 506     NULL,                                   /* pSetArcDirection */
 507     NULL,                                   /* pSetBkColor */
 508     NULL,                                   /* pSetBkMode */
 509     NULL,                                   /* pSetBoundsRect */
 510     NULL,                                   /* pSetDCBrushColor */
 511     NULL,                                   /* pSetDCPenColor */
 512     NULL,                                   /* pSetDIBitsToDevice */
 513     NULL,                                   /* pSetDeviceClipping */
 514     macdrv_SetDeviceGammaRamp,              /* pSetDeviceGammaRamp */
 515     NULL,                                   /* pSetLayout */
 516     NULL,                                   /* pSetMapMode */
 517     NULL,                                   /* pSetMapperFlags */
 518     NULL,                                   /* pSetPixel */
 519     NULL,                                   /* pSetPolyFillMode */
 520     NULL,                                   /* pSetROP2 */
 521     NULL,                                   /* pSetRelAbs */
 522     NULL,                                   /* pSetStretchBltMode */
 523     NULL,                                   /* pSetTextAlign */
 524     NULL,                                   /* pSetTextCharacterExtra */
 525     NULL,                                   /* pSetTextColor */
 526     NULL,                                   /* pSetTextJustification */
 527     NULL,                                   /* pSetViewportExt */
 528     NULL,                                   /* pSetViewportOrg */
 529     NULL,                                   /* pSetWindowExt */
 530     NULL,                                   /* pSetWindowOrg */
 531     NULL,                                   /* pSetWorldTransform */
 532     NULL,                                   /* pStartDoc */
 533     NULL,                                   /* pStartPage */
 534     NULL,                                   /* pStretchBlt */
 535     NULL,                                   /* pStretchDIBits */
 536     NULL,                                   /* pStrokeAndFillPath */
 537     NULL,                                   /* pStrokePath */
 538     NULL,                                   /* pUnrealizePalette */
 539     NULL,                                   /* pWidenPath */
 540     macdrv_wine_get_wgl_driver,             /* wine_get_wgl_driver */
 541     GDI_PRIORITY_GRAPHICS_DRV               /* priority */
 542 };
 543
 544
 545 /******************************************************************************
 546  *              macdrv_get_gdi_driver
 547  */
 548 const struct gdi_dc_funcs * CDECL macdrv_get_gdi_driver(unsigned int version)
 549 {
 550     if (version != WINE_GDI_DRIVER_VERSION)
 551     {
 552         ERR("version mismatch, gdi32 wants %u but winemac has %u\n", version, WINE_GDI_DRIVER_VERSION);
 553         return NULL;
 554     }
 555     return &macdrv_funcs;
 556 }