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 palette_size;        /* number of color entries in palette */
  53 static int device_data_valid;   /* do the above variables have up-to-date values? */
  54
  55 static CRITICAL_SECTION device_data_section;
  56 static CRITICAL_SECTION_DEBUG critsect_debug =
  57 {
  58     0, 0, &device_data_section,
  59     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  60       0, 0, { (DWORD_PTR)(__FILE__ ": device_data_section") }
  61 };
  62 static CRITICAL_SECTION device_data_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  63
  64
  65 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  66 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  67
  68 static const struct gdi_dc_funcs macdrv_funcs;
  69
  70
  71 /******************************************************************************
  72  *              get_dpi
  73  *
  74  * get the dpi from the registry
  75  */
  76 static DWORD get_dpi(void)
  77 {
  78     DWORD dpi = 0;
  79     HKEY hkey;
  80
  81     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  82     {
  83         DWORD type, size, new_dpi;
  84
  85         size = sizeof(new_dpi);
  86         if (RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  87         {
  88             if (type == REG_DWORD && new_dpi != 0)
  89                 dpi = new_dpi;
  90         }
  91         RegCloseKey(hkey);
  92     }
  93     return dpi;
  94 }
  95
  96
  97 /***********************************************************************
  98  *              macdrv_get_desktop_rect
  99  *
 100  * Returns the rectangle encompassing all the screens.
 101  */
 102 CGRect macdrv_get_desktop_rect(void)
 103 {
 104     CGRect ret;
 105     CGDirectDisplayID displayIDs[32];
 106     uint32_t count, i;
 107
 108     EnterCriticalSection(&device_data_section);
 109
 110     if (!device_data_valid)
 111     {
 112         desktop_rect = CGRectNull;
 113         if (CGGetActiveDisplayList(sizeof(displayIDs)/sizeof(displayIDs[0]),
 114                                    displayIDs, &count) != kCGErrorSuccess ||
 115             !count)
 116         {
 117             displayIDs[0] = CGMainDisplayID();
 118             count = 1;
 119         }
 120
 121         for (i = 0; i < count; i++)
 122             desktop_rect = CGRectUnion(desktop_rect, CGDisplayBounds(displayIDs[i]));
 123     }
 124
 125     ret = desktop_rect;
 126     LeaveCriticalSection(&device_data_section);
 127
 128     TRACE("%s\n", wine_dbgstr_cgrect(ret));
 129
 130     return ret;
 131 }
 132
 133
 134 /**********************************************************************
 135  *              device_init
 136  *
 137  * Perform initializations needed upon creation of the first device.
 138  */
 139 static void device_init(void)
 140 {
 141     CGDirectDisplayID mainDisplay = CGMainDisplayID();
 142     CGSize size_mm = CGDisplayScreenSize(mainDisplay);
 143     CGDisplayModeRef mode = CGDisplayCopyDisplayMode(mainDisplay);
 144     CGDirectPaletteRef palette;
 145
 146     /* Initialize device caps */
 147     log_pixels_x = log_pixels_y = get_dpi();
 148     if (!log_pixels_x)
 149     {
 150         size_t width = CGDisplayPixelsWide(mainDisplay);
 151         size_t height = CGDisplayPixelsHigh(mainDisplay);
 152         log_pixels_x = MulDiv(width, 254, size_mm.width * 10);
 153         log_pixels_y = MulDiv(height, 254, size_mm.height * 10);
 154     }
 155
 156     horz_size = size_mm.width;
 157     vert_size = size_mm.height;
 158
 159     bits_per_pixel = 32;
 160     if (mode)
 161     {
 162         CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
 163
 164         horz_res = CGDisplayModeGetWidth(mode);
 165         vert_res = CGDisplayModeGetHeight(mode);
 166
 167         if (pixelEncoding)
 168         {
 169             if (CFEqual(pixelEncoding, CFSTR(IO32BitDirectPixels)))
 170                 bits_per_pixel = 32;
 171             else if (CFEqual(pixelEncoding, CFSTR(IO16BitDirectPixels)))
 172                 bits_per_pixel = 16;
 173             else if (CFEqual(pixelEncoding, CFSTR(IO8BitIndexedPixels)))
 174                 bits_per_pixel = 8;
 175             CFRelease(pixelEncoding);
 176         }
 177
 178         CGDisplayModeRelease(mode);
 179     }
 180     else
 181     {
 182         horz_res = CGDisplayPixelsWide(mainDisplay);
 183         vert_res = CGDisplayPixelsHigh(mainDisplay);
 184     }
 185
 186     macdrv_get_desktop_rect();
 187     desktop_horz_res = desktop_rect.size.width;
 188     desktop_vert_res = desktop_rect.size.height;
 189
 190     palette = CGPaletteCreateWithDisplay(mainDisplay);
 191     if (palette)
 192     {
 193         palette_size = CGPaletteGetNumberOfSamples(palette);
 194         CGPaletteRelease(palette);
 195     }
 196     else
 197         palette_size = 0;
 198
 199     device_data_valid = TRUE;
 200 }
 201
 202
 203 void macdrv_reset_device_metrics(void)
 204 {
 205     EnterCriticalSection(&device_data_section);
 206     device_data_valid = FALSE;
 207     LeaveCriticalSection(&device_data_section);
 208 }
 209
 210
 211 static MACDRV_PDEVICE *create_mac_physdev(void)
 212 {
 213     MACDRV_PDEVICE *physDev;
 214
 215     EnterCriticalSection(&device_data_section);
 216     if (!device_data_valid) device_init();
 217     LeaveCriticalSection(&device_data_section);
 218
 219     if (!(physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev)))) return NULL;
 220
 221     return physDev;
 222 }
 223
 224
 225 /**********************************************************************
 226  *              CreateDC (MACDRV.@)
 227  */
 228 static BOOL macdrv_CreateDC(PHYSDEV *pdev, LPCWSTR driver, LPCWSTR device,
 229                             LPCWSTR output, const DEVMODEW* initData)
 230 {
 231     MACDRV_PDEVICE *physDev = create_mac_physdev();
 232
 233     TRACE("pdev %p hdc %p driver %s device %s output %s initData %p\n", pdev,
 234           (*pdev)->hdc, debugstr_w(driver),debugstr_w(device), debugstr_w(output),
 235           initData);
 236
 237     if (!physDev) return FALSE;
 238
 239     push_dc_driver(pdev, &physDev->dev, &macdrv_funcs);
 240     return TRUE;
 241 }
 242
 243
 244 /**********************************************************************
 245  *              CreateCompatibleDC (MACDRV.@)
 246  */
 247 static BOOL macdrv_CreateCompatibleDC(PHYSDEV orig, PHYSDEV *pdev)
 248 {
 249     MACDRV_PDEVICE *physDev = create_mac_physdev();
 250
 251     TRACE("orig %p orig->hdc %p pdev %p pdev->hdc %p\n", orig, (orig ? orig->hdc : NULL), pdev,
 252           ((pdev && *pdev) ? (*pdev)->hdc : NULL));
 253
 254     if (!physDev) return FALSE;
 255
 256     push_dc_driver(pdev, &physDev->dev, &macdrv_funcs);
 257     return TRUE;
 258 }
 259
 260
 261 /**********************************************************************
 262  *              DeleteDC (MACDRV.@)
 263  */
 264 static BOOL macdrv_DeleteDC(PHYSDEV dev)
 265 {
 266     MACDRV_PDEVICE *physDev = get_macdrv_dev(dev);
 267
 268     TRACE("hdc %p\n", dev->hdc);
 269
 270     HeapFree(GetProcessHeap(), 0, physDev);
 271     return TRUE;
 272 }
 273
 274
 275 /***********************************************************************
 276  *              GetDeviceCaps (MACDRV.@)
 277  */
 278 static INT macdrv_GetDeviceCaps(PHYSDEV dev, INT cap)
 279 {
 280     INT ret;
 281
 282     EnterCriticalSection(&device_data_section);
 283
 284     if (!device_data_valid) device_init();
 285
 286     switch(cap)
 287     {
 288     case DRIVERVERSION:
 289         ret = 0x300;
 290         break;
 291     case TECHNOLOGY:
 292         ret = DT_RASDISPLAY;
 293         break;
 294     case HORZSIZE:
 295         ret = horz_size;
 296         break;
 297     case VERTSIZE:
 298         ret = vert_size;
 299         break;
 300     case HORZRES:
 301         ret = horz_res;
 302         break;
 303     case VERTRES:
 304         ret = vert_res;
 305         break;
 306     case DESKTOPHORZRES:
 307         ret = desktop_horz_res;
 308         break;
 309     case DESKTOPVERTRES:
 310         ret = desktop_vert_res;
 311         break;
 312     case BITSPIXEL:
 313         ret = bits_per_pixel;
 314         break;
 315     case PLANES:
 316         ret = 1;
 317         break;
 318     case NUMBRUSHES:
 319         ret = -1;
 320         break;
 321     case NUMPENS:
 322         ret = -1;
 323         break;
 324     case NUMMARKERS:
 325         ret = 0;
 326         break;
 327     case NUMFONTS:
 328         ret = 0;
 329         break;
 330     case NUMCOLORS:
 331         /* MSDN: Number of entries in the device's color table, if the device has
 332          * a color depth of no more than 8 bits per pixel.For devices with greater
 333          * color depths, -1 is returned. */
 334         ret = (bits_per_pixel > 8) ? -1 : (1 << bits_per_pixel);
 335         break;
 336     case PDEVICESIZE:
 337         ret = sizeof(MACDRV_PDEVICE);
 338         break;
 339     case CURVECAPS:
 340         ret = (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 341                CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 342         break;
 343     case LINECAPS:
 344         ret = (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 345                LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 346         break;
 347     case POLYGONALCAPS:
 348         ret = (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 349                PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 350         break;
 351     case TEXTCAPS:
 352         ret = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 353                TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 354                TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 355         break;
 356     case CLIPCAPS:
 357         ret = CP_REGION;
 358         break;
 359     case COLORRES:
 360         /* The observed correspondence between BITSPIXEL and COLORRES is:
 361          * BITSPIXEL: 8  -> COLORRES: 18
 362          * BITSPIXEL: 16 -> COLORRES: 16
 363          * BITSPIXEL: 24 -> COLORRES: 24
 364          * (note that bits_per_pixel is never 24)
 365          * BITSPIXEL: 32 -> COLORRES: 24 */
 366         ret = (bits_per_pixel <= 8) ? 18 : (bits_per_pixel == 32) ? 24 : bits_per_pixel;
 367         break;
 368     case RASTERCAPS:
 369         ret = (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 370                RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 371                (palette_size ? RC_PALETTE : 0));
 372         break;
 373     case SHADEBLENDCAPS:
 374         ret = (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 375         break;
 376     case ASPECTX:
 377     case ASPECTY:
 378         ret = 36;
 379         break;
 380     case ASPECTXY:
 381         ret = 51;
 382         break;
 383     case LOGPIXELSX:
 384         ret = log_pixels_x;
 385         break;
 386     case LOGPIXELSY:
 387         ret = log_pixels_y;
 388         break;
 389     case CAPS1:
 390         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", dev->hdc);
 391         /* please see wingdi.h for the possible bit-flag values that need
 392            to be returned. */
 393         ret = 0;
 394         break;
 395     case SIZEPALETTE:
 396         ret = palette_size;
 397         break;
 398     case NUMRESERVED:
 399     case PHYSICALWIDTH:
 400     case PHYSICALHEIGHT:
 401     case PHYSICALOFFSETX:
 402     case PHYSICALOFFSETY:
 403     case SCALINGFACTORX:
 404     case SCALINGFACTORY:
 405     case VREFRESH:
 406     case BLTALIGNMENT:
 407         ret = 0;
 408         break;
 409     default:
 410         FIXME("(%p): unsupported capability %d, will return 0\n", dev->hdc, cap);
 411         ret = 0;
 412         goto done;
 413     }
 414
 415     TRACE("cap %d -> %d\n", cap, ret);
 416
 417 done:
 418     LeaveCriticalSection(&device_data_section);
 419     return ret;
 420 }
 421
 422
 423 static const struct gdi_dc_funcs macdrv_funcs =
 424 {
 425     NULL,                                   /* pAbortDoc */
 426     NULL,                                   /* pAbortPath */
 427     NULL,                                   /* pAlphaBlend */
 428     NULL,                                   /* pAngleArc */
 429     NULL,                                   /* pArc */
 430     NULL,                                   /* pArcTo */
 431     NULL,                                   /* pBeginPath */
 432     NULL,                                   /* pBlendImage */
 433     NULL,                                   /* pChord */
 434     NULL,                                   /* pCloseFigure */
 435     macdrv_CreateCompatibleDC,              /* pCreateCompatibleDC */
 436     macdrv_CreateDC,                        /* pCreateDC */
 437     macdrv_DeleteDC,                        /* pDeleteDC */
 438     NULL,                                   /* pDeleteObject */
 439     NULL,                                   /* pDeviceCapabilities */
 440     NULL,                                   /* pEllipse */
 441     NULL,                                   /* pEndDoc */
 442     NULL,                                   /* pEndPage */
 443     NULL,                                   /* pEndPath */
 444     NULL,                                   /* pEnumFonts */
 445     NULL,                                   /* pEnumICMProfiles */
 446     NULL,                                   /* pExcludeClipRect */
 447     NULL,                                   /* pExtDeviceMode */
 448     NULL,                                   /* pExtEscape */
 449     NULL,                                   /* pExtFloodFill */
 450     NULL,                                   /* pExtSelectClipRgn */
 451     NULL,                                   /* pExtTextOut */
 452     NULL,                                   /* pFillPath */
 453     NULL,                                   /* pFillRgn */
 454     NULL,                                   /* pFlattenPath */
 455     NULL,                                   /* pFontIsLinked */
 456     NULL,                                   /* pFrameRgn */
 457     NULL,                                   /* pGdiComment */
 458     NULL,                                   /* pGdiRealizationInfo */
 459     NULL,                                   /* pGetBoundsRect */
 460     NULL,                                   /* pGetCharABCWidths */
 461     NULL,                                   /* pGetCharABCWidthsI */
 462     NULL,                                   /* pGetCharWidth */
 463     macdrv_GetDeviceCaps,                   /* pGetDeviceCaps */
 464     macdrv_GetDeviceGammaRamp,              /* pGetDeviceGammaRamp */
 465     NULL,                                   /* pGetFontData */
 466     NULL,                                   /* pGetFontUnicodeRanges */
 467     NULL,                                   /* pGetGlyphIndices */
 468     NULL,                                   /* pGetGlyphOutline */
 469     NULL,                                   /* pGetICMProfile */
 470     NULL,                                   /* pGetImage */
 471     NULL,                                   /* pGetKerningPairs */
 472     NULL,                                   /* pGetNearestColor */
 473     NULL,                                   /* pGetOutlineTextMetrics */
 474     NULL,                                   /* pGetPixel */
 475     NULL,                                   /* pGetSystemPaletteEntries */
 476     NULL,                                   /* pGetTextCharsetInfo */
 477     NULL,                                   /* pGetTextExtentExPoint */
 478     NULL,                                   /* pGetTextExtentExPointI */
 479     NULL,                                   /* pGetTextFace */
 480     NULL,                                   /* pGetTextMetrics */
 481     NULL,                                   /* pGradientFill */
 482     NULL,                                   /* pIntersectClipRect */
 483     NULL,                                   /* pInvertRgn */
 484     NULL,                                   /* pLineTo */
 485     NULL,                                   /* pModifyWorldTransform */
 486     NULL,                                   /* pMoveTo */
 487     NULL,                                   /* pOffsetClipRgn */
 488     NULL,                                   /* pOffsetViewportOrg */
 489     NULL,                                   /* pOffsetWindowOrg */
 490     NULL,                                   /* pPaintRgn */
 491     NULL,                                   /* pPatBlt */
 492     NULL,                                   /* pPie */
 493     NULL,                                   /* pPolyBezier */
 494     NULL,                                   /* pPolyBezierTo */
 495     NULL,                                   /* pPolyDraw */
 496     NULL,                                   /* pPolyPolygon */
 497     NULL,                                   /* pPolyPolyline */
 498     NULL,                                   /* pPolygon */
 499     NULL,                                   /* pPolyline */
 500     NULL,                                   /* pPolylineTo */
 501     NULL,                                   /* pPutImage */
 502     NULL,                                   /* pRealizeDefaultPalette */
 503     NULL,                                   /* pRealizePalette */
 504     NULL,                                   /* pRectangle */
 505     NULL,                                   /* pResetDC */
 506     NULL,                                   /* pRestoreDC */
 507     NULL,                                   /* pRoundRect */
 508     NULL,                                   /* pSaveDC */
 509     NULL,                                   /* pScaleViewportExt */
 510     NULL,                                   /* pScaleWindowExt */
 511     NULL,                                   /* pSelectBitmap */
 512     NULL,                                   /* pSelectBrush */
 513     NULL,                                   /* pSelectClipPath */
 514     NULL,                                   /* pSelectFont */
 515     NULL,                                   /* pSelectPalette */
 516     NULL,                                   /* pSelectPen */
 517     NULL,                                   /* pSetArcDirection */
 518     NULL,                                   /* pSetBkColor */
 519     NULL,                                   /* pSetBkMode */
 520     NULL,                                   /* pSetBoundsRect */
 521     NULL,                                   /* pSetDCBrushColor */
 522     NULL,                                   /* pSetDCPenColor */
 523     NULL,                                   /* pSetDIBitsToDevice */
 524     NULL,                                   /* pSetDeviceClipping */
 525     macdrv_SetDeviceGammaRamp,              /* pSetDeviceGammaRamp */
 526     NULL,                                   /* pSetLayout */
 527     NULL,                                   /* pSetMapMode */
 528     NULL,                                   /* pSetMapperFlags */
 529     NULL,                                   /* pSetPixel */
 530     NULL,                                   /* pSetPolyFillMode */
 531     NULL,                                   /* pSetROP2 */
 532     NULL,                                   /* pSetRelAbs */
 533     NULL,                                   /* pSetStretchBltMode */
 534     NULL,                                   /* pSetTextAlign */
 535     NULL,                                   /* pSetTextCharacterExtra */
 536     NULL,                                   /* pSetTextColor */
 537     NULL,                                   /* pSetTextJustification */
 538     NULL,                                   /* pSetViewportExt */
 539     NULL,                                   /* pSetViewportOrg */
 540     NULL,                                   /* pSetWindowExt */
 541     NULL,                                   /* pSetWindowOrg */
 542     NULL,                                   /* pSetWorldTransform */
 543     NULL,                                   /* pStartDoc */
 544     NULL,                                   /* pStartPage */
 545     NULL,                                   /* pStretchBlt */
 546     NULL,                                   /* pStretchDIBits */
 547     NULL,                                   /* pStrokeAndFillPath */
 548     NULL,                                   /* pStrokePath */
 549     NULL,                                   /* pUnrealizePalette */
 550     NULL,                                   /* pWidenPath */
 551     macdrv_wine_get_wgl_driver,             /* wine_get_wgl_driver */
 552     GDI_PRIORITY_GRAPHICS_DRV               /* priority */
 553 };
 554
 555
 556 /******************************************************************************
 557  *              macdrv_get_gdi_driver
 558  */
 559 const struct gdi_dc_funcs * CDECL macdrv_get_gdi_driver(unsigned int version)
 560 {
 561     if (version != WINE_GDI_DRIVER_VERSION)
 562     {
 563         ERR("version mismatch, gdi32 wants %u but winemac has %u\n", version, WINE_GDI_DRIVER_VERSION);
 564         return NULL;
 565     }
 566     return &macdrv_funcs;
 567 }