2 * X11DRV OEM bitmap objects
4 * Copyright 1994, 1995 Alexandre Julliard
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(palette);
34 /* Palette indexed mode:
35 * logical palette -> mapping -> pixel
38 * Windows needs contiguous color space ( from 0 to n ) but
39 * it is possible only with the private colormap. Otherwise we
40 * have to map DC palette indices to real pixel values. With
41 * private colormaps it boils down to the identity mapping. The
42 * other special case is when we have a fixed color visual with
43 * the screendepth > 8 - we abandon palette mappings altogether
44 * because pixel values can be calculated without X server
48 #define NB_RESERVED_COLORS 20 /* number of fixed colors in system palette */
50 #define PC_SYS_USED 0x80 /* palentry is used (both system and logical) */
51 #define PC_SYS_RESERVED 0x40 /* system palentry is not to be mapped to */
53 static PALETTEENTRY *COLOR_sysPal; /* current system palette */
55 static int COLOR_gapStart = 256;
56 static int COLOR_gapEnd = -1;
57 static int COLOR_gapFilled = 0;
59 Colormap X11DRV_PALETTE_PaletteXColormap = 0;
60 UINT16 X11DRV_PALETTE_PaletteFlags = 0;
62 /* initialize to zero to handle abortive X11DRV_PALETTE_VIRTUAL visuals */
63 ColorShifts X11DRV_PALETTE_default_shifts = { {0,0,0,}, {0,0,0}, {0,0,0}, {0,0,0}, {0,0,0}, {0,0,0} };
64 static int X11DRV_PALETTE_Graymax = 0;
66 static int palette_size;
68 /* First free dynamic color cell, 0 = full palette, -1 = fixed palette */
69 static int X11DRV_PALETTE_firstFree = 0;
70 static unsigned char X11DRV_PALETTE_freeList[256];
72 static XContext palette_context; /* X context to associate a color mapping to a palette */
74 static CRITICAL_SECTION palette_cs;
75 static CRITICAL_SECTION_DEBUG critsect_debug =
78 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
79 0, 0, { (DWORD_PTR)(__FILE__ ": palette_cs") }
81 static CRITICAL_SECTION palette_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
83 /**********************************************************************/
85 /* Map an EGA index (0..15) to a pixel value in the system color space. */
87 int X11DRV_PALETTE_mapEGAPixel[16];
89 /**********************************************************************/
91 #define NB_COLORCUBE_START_INDEX 63
92 #define NB_PALETTE_EMPTY_VALUE -1
94 /* Maps entry in the system palette to X pixel value */
95 int *X11DRV_PALETTE_PaletteToXPixel = NULL;
97 /* Maps pixel to the entry in the system palette */
98 int *X11DRV_PALETTE_XPixelToPalette = NULL;
100 /**********************************************************************/
102 static BOOL X11DRV_PALETTE_BuildPrivateMap( const PALETTEENTRY *sys_pal_template );
103 static BOOL X11DRV_PALETTE_BuildSharedMap( const PALETTEENTRY *sys_pal_template );
104 static void X11DRV_PALETTE_FillDefaultColors( const PALETTEENTRY *sys_pal_template );
105 static void X11DRV_PALETTE_FormatSystemPalette(void);
106 static BOOL X11DRV_PALETTE_CheckSysColor( const PALETTEENTRY *sys_pal_template, COLORREF c);
107 static int X11DRV_PALETTE_LookupSystemXPixel(COLORREF col);
110 /***********************************************************************
111 * palette_get_mapping
113 static int *palette_get_mapping( HPALETTE hpal )
118 if (XFindContext( gdi_display, (XID)hpal, palette_context, (char **)&mapping )) mapping = NULL;
124 /***********************************************************************
125 * palette_set_mapping
127 static void palette_set_mapping( HPALETTE hpal, int *mapping )
130 XSaveContext( gdi_display, (XID)hpal, palette_context, (char *)mapping );
135 /***********************************************************************
138 * Initialize color management.
140 int X11DRV_PALETTE_Init(void)
142 int mask, white, black;
145 PALETTEENTRY sys_pal_template[NB_RESERVED_COLORS];
147 TRACE("initializing palette manager...\n");
150 palette_context = XUniqueContext();
152 white = WhitePixel( gdi_display, DefaultScreen(gdi_display) );
153 black = BlackPixel( gdi_display, DefaultScreen(gdi_display) );
155 for( mask = 1; !((white & mask)^(black & mask)); mask <<= 1 )
157 X11DRV_PALETTE_PaletteFlags = (white & mask) ? X11DRV_PALETTE_WHITESET : 0;
158 palette_size = visual->map_entries;
160 switch(visual->class)
163 X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_VIRTUAL;
167 if (private_color_map)
169 XSetWindowAttributes win_attr;
171 X11DRV_PALETTE_PaletteXColormap = XCreateColormap( gdi_display, root_window,
173 if (X11DRV_PALETTE_PaletteXColormap)
175 X11DRV_PALETTE_PaletteFlags |= (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_WHITESET);
178 for( white = palette_size - 1; !(white & 1); white >>= 1 )
181 if( root_window != DefaultRootWindow(gdi_display) )
183 win_attr.colormap = X11DRV_PALETTE_PaletteXColormap;
184 XChangeWindowAttributes( gdi_display, root_window, CWColormap, &win_attr );
188 X11DRV_PALETTE_PaletteXColormap = XCreateColormap(gdi_display, root_window,
196 X11DRV_PALETTE_PaletteXColormap = XCreateColormap(gdi_display, root_window,
198 X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_FIXED;
199 X11DRV_PALETTE_Graymax = (1 << screen_depth)-1;
204 X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_VIRTUAL;
206 int *depths,nrofdepths;
207 /* FIXME: hack to detect XFree32 XF_VGA16 ... We just have
211 depths = XListDepths(gdi_display,DefaultScreen(gdi_display),&nrofdepths);
212 if ((nrofdepths==2) && ((depths[0]==4) || depths[1]==4)) {
214 for( white = palette_size - 1; !(white & 1); white >>= 1 )
216 X11DRV_PALETTE_PaletteFlags = (white & mask) ? X11DRV_PALETTE_WHITESET : 0;
217 X11DRV_PALETTE_PaletteXColormap = XCreateColormap(gdi_display, root_window,
222 X11DRV_PALETTE_PaletteXColormap = XCreateColormap(gdi_display, root_window,
224 X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_FIXED;
225 X11DRV_PALETTE_ComputeColorShifts(&X11DRV_PALETTE_default_shifts, visual->red_mask, visual->green_mask, visual->blue_mask);
233 TRACE(" visual class %i (%i)\n", visual->class, monoPlane);
235 GetPaletteEntries( GetStockObject(DEFAULT_PALETTE), 0, NB_RESERVED_COLORS, sys_pal_template );
237 if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
243 if ((mapping = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * NB_RESERVED_COLORS )))
244 palette_set_mapping( GetStockObject(DEFAULT_PALETTE), mapping );
246 if (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_PRIVATE)
247 X11DRV_PALETTE_BuildPrivateMap( sys_pal_template );
249 X11DRV_PALETTE_BuildSharedMap( sys_pal_template );
251 /* Build free list */
253 if( X11DRV_PALETTE_firstFree != -1 )
254 X11DRV_PALETTE_FormatSystemPalette();
256 X11DRV_PALETTE_FillDefaultColors( sys_pal_template );
257 palette_size = visual->map_entries;
263 /***********************************************************************
264 * X11DRV_PALETTE_Cleanup
266 * Free external colors we grabbed in the FillDefaultPalette()
268 void X11DRV_PALETTE_Cleanup(void)
270 if( COLOR_gapFilled )
273 XFreeColors(gdi_display, X11DRV_PALETTE_PaletteXColormap,
274 (unsigned long*)(X11DRV_PALETTE_PaletteToXPixel + COLOR_gapStart),
280 /***********************************************************************
281 * X11DRV_PALETTE_ComputeChannelShift
283 * Calculate conversion parameters for a given color mask
285 static void X11DRV_PALETTE_ComputeChannelShift(unsigned long maskbits, ChannelShift *physical, ChannelShift *to_logical)
300 for(i=0;!(maskbits&1);i++)
304 physical->max = maskbits;
306 for(i=0;maskbits!=0;i++)
310 if (physical->scale>8)
312 /* On FreeBSD, VNC's default 32bpp mode is bgrabb (ffc00000,3ff800,7ff)!
313 * So we adjust the shifts to also normalize the color fields to
314 * the Win32 standard of 8 bits per color.
316 to_logical->shift=physical->shift+(physical->scale-8);
318 to_logical->max=0xff;
320 to_logical->shift=physical->shift;
321 to_logical->scale=physical->scale;
322 to_logical->max=physical->max;
326 /***********************************************************************
327 * X11DRV_PALETTE_ComputeColorShifts
329 * Calculate conversion parameters for a given color
331 void X11DRV_PALETTE_ComputeColorShifts(ColorShifts *shifts, unsigned long redMask, unsigned long greenMask, unsigned long blueMask)
333 X11DRV_PALETTE_ComputeChannelShift(redMask, &shifts->physicalRed, &shifts->logicalRed);
334 X11DRV_PALETTE_ComputeChannelShift(greenMask, &shifts->physicalGreen, &shifts->logicalGreen);
335 X11DRV_PALETTE_ComputeChannelShift(blueMask, &shifts->physicalBlue, &shifts->logicalBlue);
338 /***********************************************************************
339 * X11DRV_PALETTE_BuildPrivateMap
341 * Allocate colorcells and initialize mapping tables.
343 static BOOL X11DRV_PALETTE_BuildPrivateMap( const PALETTEENTRY *sys_pal_template )
345 /* Private colormap - identity mapping */
350 if((COLOR_sysPal = HeapAlloc(GetProcessHeap(), 0, sizeof(PALETTEENTRY)*palette_size)) == NULL) {
351 WARN("Unable to allocate the system palette\n");
355 TRACE("Building private map - %i palette entries\n", palette_size);
357 /* Allocate system palette colors */
360 for( i=0; i < palette_size; i++ )
362 if( i < NB_RESERVED_COLORS/2 )
364 color.red = sys_pal_template[i].peRed * 65535 / 255;
365 color.green = sys_pal_template[i].peGreen * 65535 / 255;
366 color.blue = sys_pal_template[i].peBlue * 65535 / 255;
367 COLOR_sysPal[i] = sys_pal_template[i];
368 COLOR_sysPal[i].peFlags |= PC_SYS_USED;
370 else if( i >= palette_size - NB_RESERVED_COLORS/2 )
372 int j = NB_RESERVED_COLORS + i - palette_size;
373 color.red = sys_pal_template[j].peRed * 65535 / 255;
374 color.green = sys_pal_template[j].peGreen * 65535 / 255;
375 color.blue = sys_pal_template[j].peBlue * 65535 / 255;
376 COLOR_sysPal[i] = sys_pal_template[j];
377 COLOR_sysPal[i].peFlags |= PC_SYS_USED;
380 color.flags = DoRed | DoGreen | DoBlue;
382 XStoreColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &color);
384 /* Set EGA mapping if color is from the first or last eight */
387 X11DRV_PALETTE_mapEGAPixel[i] = color.pixel;
388 else if (i >= palette_size - 8 )
389 X11DRV_PALETTE_mapEGAPixel[i - (palette_size - 16)] = color.pixel;
393 X11DRV_PALETTE_XPixelToPalette = X11DRV_PALETTE_PaletteToXPixel = NULL;
395 COLOR_gapStart = 256; COLOR_gapEnd = -1;
397 X11DRV_PALETTE_firstFree = (palette_size > NB_RESERVED_COLORS)?NB_RESERVED_COLORS/2 : -1;
402 /***********************************************************************
403 * X11DRV_PALETTE_BuildSharedMap
405 * Allocate colorcells and initialize mapping tables.
407 static BOOL X11DRV_PALETTE_BuildSharedMap( const PALETTEENTRY *sys_pal_template )
410 unsigned long sysPixel[NB_RESERVED_COLORS];
411 unsigned long* pixDynMapping = NULL;
412 unsigned long plane_masks[1];
414 int diff, r, g, b, bp = 0, wp = 1;
416 unsigned int max = 256;
418 XColor defaultColors[256];
420 /* Copy the first bunch of colors out of the default colormap to prevent
421 * colormap flashing as much as possible. We're likely to get the most
422 * important Window Manager colors, etc in the first 128 colors */
423 defaultCM = DefaultColormap( gdi_display, DefaultScreen(gdi_display) );
425 if (copy_default_colors > 256) copy_default_colors = 256;
426 for (i = 0; i < copy_default_colors; i++)
427 defaultColors[i].pixel = (long) i;
429 XQueryColors(gdi_display, defaultCM, &defaultColors[0], copy_default_colors);
430 for (i = 0; i < copy_default_colors; i++)
431 XAllocColor( gdi_display, X11DRV_PALETTE_PaletteXColormap, &defaultColors[i] );
433 if (alloc_system_colors > 256) alloc_system_colors = 256;
434 else if (alloc_system_colors < 20) alloc_system_colors = 20;
435 TRACE("%d colors configured.\n", alloc_system_colors);
437 TRACE("Building shared map - %i palette entries\n", palette_size);
439 /* Be nice and allocate system colors as read-only */
441 for( i = 0; i < NB_RESERVED_COLORS; i++ )
443 color.red = sys_pal_template[i].peRed * 65535 / 255;
444 color.green = sys_pal_template[i].peGreen * 65535 / 255;
445 color.blue = sys_pal_template[i].peBlue * 65535 / 255;
446 color.flags = DoRed | DoGreen | DoBlue;
448 if (!XAllocColor( gdi_display, X11DRV_PALETTE_PaletteXColormap, &color ))
454 WARN("Not enough colors for the full system palette.\n");
456 bp = BlackPixel(gdi_display, DefaultScreen(gdi_display));
457 wp = WhitePixel(gdi_display, DefaultScreen(gdi_display));
459 max = (0xffffffff)>>(32 - screen_depth);
467 /* reinit color (XAllocColor() may change it)
468 * and map to the best shared colorcell */
470 color.red = sys_pal_template[i].peRed * 65535 / 255;
471 color.green = sys_pal_template[i].peGreen * 65535 / 255;
472 color.blue = sys_pal_template[i].peBlue * 65535 / 255;
474 best.pixel = best.red = best.green = best.blue = 0;
475 for( c.pixel = 0, diff = 0x7fffffff; c.pixel < max; c.pixel += step )
477 XQueryColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &c);
478 r = (c.red - color.red)>>8;
479 g = (c.green - color.green)>>8;
480 b = (c.blue - color.blue)>>8;
482 if( r < diff ) { best = c; diff = r; }
485 if( XAllocColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &best) )
486 color.pixel = best.pixel;
487 else color.pixel = (i < NB_RESERVED_COLORS/2)? bp : wp;
490 sysPixel[i] = color.pixel;
492 TRACE("syscolor(%x) -> pixel %i\n", *(const COLORREF*)(sys_pal_template+i),
495 /* Set EGA mapping if color in the first or last eight */
498 X11DRV_PALETTE_mapEGAPixel[i] = color.pixel;
499 else if (i >= NB_RESERVED_COLORS - 8 )
500 X11DRV_PALETTE_mapEGAPixel[i - (NB_RESERVED_COLORS-16)] = color.pixel;
504 /* now allocate changeable set */
506 if( !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
508 int c_min = 0, c_max = palette_size, c_val;
510 TRACE("Dynamic colormap...\n");
512 /* let's become the first client that actually follows
513 * X guidelines and does binary search...
516 if((pixDynMapping = HeapAlloc(GetProcessHeap(), 0, sizeof(long)*palette_size)) == NULL) {
517 WARN("Out of memory while building system palette.\n");
522 /* comment this out if you want to debug palette init */
523 XGrabServer(gdi_display);
525 while( c_max - c_min > 0 )
527 c_val = (c_max + c_min)/2 + (c_max + c_min)%2;
529 if( !XAllocColorCells(gdi_display, X11DRV_PALETTE_PaletteXColormap, False,
530 plane_masks, 0, pixDynMapping, c_val) )
534 XFreeColors(gdi_display, X11DRV_PALETTE_PaletteXColormap, pixDynMapping, c_val, 0);
539 if( c_min > alloc_system_colors - NB_RESERVED_COLORS)
540 c_min = alloc_system_colors - NB_RESERVED_COLORS;
542 c_min = (c_min/2) + (c_min/2); /* need even set for split palette */
545 if( !XAllocColorCells(gdi_display, X11DRV_PALETTE_PaletteXColormap, False,
546 plane_masks, 0, pixDynMapping, c_min) )
548 WARN("Inexplicable failure during colorcell allocation.\n");
552 palette_size = c_min + NB_RESERVED_COLORS;
554 XUngrabServer(gdi_display);
557 TRACE("adjusted size %i colorcells\n", palette_size);
559 else if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
561 /* virtual colorspace - ToPhysical takes care of
562 * color translations but we have to allocate full palette
563 * to maintain compatibility
566 TRACE("Virtual colorspace - screendepth %i\n", screen_depth);
568 else palette_size = NB_RESERVED_COLORS; /* system palette only - however we can alloc a bunch
569 * of colors and map to them */
571 TRACE("Shared system palette uses %i colors.\n", palette_size);
573 /* set gap to account for pixel shortage. It has to be right in the center
574 * of the system palette because otherwise raster ops get screwed. */
576 if( palette_size >= 256 )
577 { COLOR_gapStart = 256; COLOR_gapEnd = -1; }
579 { COLOR_gapStart = palette_size/2; COLOR_gapEnd = 255 - palette_size/2; }
581 X11DRV_PALETTE_firstFree = ( palette_size > NB_RESERVED_COLORS &&
582 (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL || !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED)) )
583 ? NB_RESERVED_COLORS/2 : -1;
585 COLOR_sysPal = HeapAlloc(GetProcessHeap(),0,sizeof(PALETTEENTRY)*256);
586 if(COLOR_sysPal == NULL) {
587 ERR("Unable to allocate the system palette!\n");
588 HeapFree(GetProcessHeap(), 0, pixDynMapping);
592 /* setup system palette entry <-> pixel mappings and fill in 20 fixed entries */
594 if (screen_depth <= 8)
596 X11DRV_PALETTE_XPixelToPalette = HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(int) );
597 if(X11DRV_PALETTE_XPixelToPalette == NULL) {
598 ERR("Out of memory: XPixelToPalette!\n");
599 HeapFree(GetProcessHeap(), 0, pixDynMapping);
602 for( i = 0; i < 256; i++ )
603 X11DRV_PALETTE_XPixelToPalette[i] = NB_PALETTE_EMPTY_VALUE;
606 /* for hicolor visuals PaletteToPixel mapping is used to skip
607 * RGB->pixel calculation in X11DRV_PALETTE_ToPhysical().
610 X11DRV_PALETTE_PaletteToXPixel = HeapAlloc(GetProcessHeap(),0,sizeof(int)*256);
611 if(X11DRV_PALETTE_PaletteToXPixel == NULL) {
612 ERR("Out of memory: PaletteToXPixel!\n");
613 HeapFree(GetProcessHeap(), 0, pixDynMapping);
617 for( i = j = 0; i < 256; i++ )
619 if( i >= COLOR_gapStart && i <= COLOR_gapEnd )
621 X11DRV_PALETTE_PaletteToXPixel[i] = NB_PALETTE_EMPTY_VALUE;
622 COLOR_sysPal[i].peFlags = 0; /* mark as unused */
626 if( i < NB_RESERVED_COLORS/2 )
628 X11DRV_PALETTE_PaletteToXPixel[i] = sysPixel[i];
629 COLOR_sysPal[i] = sys_pal_template[i];
630 COLOR_sysPal[i].peFlags |= PC_SYS_USED;
632 else if( i >= 256 - NB_RESERVED_COLORS/2 )
634 X11DRV_PALETTE_PaletteToXPixel[i] = sysPixel[(i + NB_RESERVED_COLORS) - 256];
635 COLOR_sysPal[i] = sys_pal_template[(i + NB_RESERVED_COLORS) - 256];
636 COLOR_sysPal[i].peFlags |= PC_SYS_USED;
638 else if( pixDynMapping )
639 X11DRV_PALETTE_PaletteToXPixel[i] = pixDynMapping[j++];
641 X11DRV_PALETTE_PaletteToXPixel[i] = i;
643 TRACE("index %i -> pixel %i\n", i, X11DRV_PALETTE_PaletteToXPixel[i]);
645 if( X11DRV_PALETTE_XPixelToPalette )
646 X11DRV_PALETTE_XPixelToPalette[X11DRV_PALETTE_PaletteToXPixel[i]] = i;
649 HeapFree(GetProcessHeap(), 0, pixDynMapping);
654 /***********************************************************************
655 * Colormap Initialization
657 static void X11DRV_PALETTE_FillDefaultColors( const PALETTEENTRY *sys_pal_template )
659 /* initialize unused entries to what Windows uses as a color
660 * cube - based on Greg Kreider's code.
664 int red, no_r, inc_r;
665 int green, no_g, inc_g;
666 int blue, no_b, inc_b;
668 if (palette_size <= NB_RESERVED_COLORS)
670 while (i*i*i < (palette_size - NB_RESERVED_COLORS)) i++;
671 no_r = no_g = no_b = --i;
672 if ((no_r * (no_g+1) * no_b) < (palette_size - NB_RESERVED_COLORS)) no_g++;
673 if ((no_r * no_g * (no_b+1)) < (palette_size - NB_RESERVED_COLORS)) no_b++;
674 inc_r = (255 - NB_COLORCUBE_START_INDEX)/no_r;
675 inc_g = (255 - NB_COLORCUBE_START_INDEX)/no_g;
676 inc_b = (255 - NB_COLORCUBE_START_INDEX)/no_b;
680 idx = X11DRV_PALETTE_firstFree;
683 for (blue = NB_COLORCUBE_START_INDEX; blue < 256 && idx; blue += inc_b )
684 for (green = NB_COLORCUBE_START_INDEX; green < 256 && idx; green += inc_g )
685 for (red = NB_COLORCUBE_START_INDEX; red < 256 && idx; red += inc_r )
689 if( red == NB_COLORCUBE_START_INDEX && green == red && blue == green ) continue;
691 COLOR_sysPal[idx].peRed = red;
692 COLOR_sysPal[idx].peGreen = green;
693 COLOR_sysPal[idx].peBlue = blue;
697 if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
699 ColorShifts *shifts = &X11DRV_PALETTE_default_shifts;
700 if (shifts->physicalRed.max != 255) no_r = (red * shifts->physicalRed.max) / 255;
701 if (shifts->physicalGreen.max != 255) no_g = (green * shifts->physicalGreen.max) / 255;
702 if (shifts->physicalBlue.max != 255) no_b = (blue * shifts->physicalBlue.max) / 255;
704 X11DRV_PALETTE_PaletteToXPixel[idx] = (no_r << shifts->physicalRed.shift) | (no_g << shifts->physicalGreen.shift) | (no_b << shifts->physicalBlue.shift);
706 else if( !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
709 color.pixel = (X11DRV_PALETTE_PaletteToXPixel)? X11DRV_PALETTE_PaletteToXPixel[idx] : idx;
710 color.red = COLOR_sysPal[idx].peRed << 8;
711 color.green = COLOR_sysPal[idx].peGreen << 8;
712 color.blue = COLOR_sysPal[idx].peBlue << 8;
713 color.flags = DoRed | DoGreen | DoBlue;
714 XStoreColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &color);
716 idx = X11DRV_PALETTE_freeList[idx];
719 /* try to fill some entries in the "gap" with
720 * what's already in the colormap - they will be
721 * mappable to but not changeable. */
723 if( COLOR_gapStart < COLOR_gapEnd && X11DRV_PALETTE_XPixelToPalette )
728 max = alloc_system_colors - (256 - (COLOR_gapEnd - COLOR_gapStart));
729 for ( i = 0, idx = COLOR_gapStart; i < 256 && idx <= COLOR_gapEnd; i++ )
730 if( X11DRV_PALETTE_XPixelToPalette[i] == NB_PALETTE_EMPTY_VALUE )
734 XQueryColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &xc);
735 r = xc.red>>8; g = xc.green>>8; b = xc.blue>>8;
737 if( xc.pixel < 256 && X11DRV_PALETTE_CheckSysColor( sys_pal_template, RGB(r, g, b)) &&
738 XAllocColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &xc) )
740 X11DRV_PALETTE_XPixelToPalette[xc.pixel] = idx;
741 X11DRV_PALETTE_PaletteToXPixel[idx] = xc.pixel;
742 *(COLORREF*)(COLOR_sysPal + idx) = RGB(r, g, b);
743 COLOR_sysPal[idx++].peFlags |= PC_SYS_USED;
744 if( --max <= 0 ) break;
747 COLOR_gapFilled = idx - COLOR_gapStart;
753 /***********************************************************************
754 * X11DRV_IsSolidColor
756 * Check whether 'color' can be represented with a solid color.
758 BOOL X11DRV_IsSolidColor( COLORREF color )
761 const PALETTEENTRY *pEntry = COLOR_sysPal;
763 if (color & 0xff000000) return TRUE; /* indexed color */
765 if (!color || (color == 0xffffff)) return TRUE; /* black or white */
767 if (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) return TRUE; /* no palette */
769 EnterCriticalSection( &palette_cs );
770 for (i = 0; i < palette_size ; i++, pEntry++)
772 if( i < COLOR_gapStart || i > COLOR_gapEnd )
773 if ((GetRValue(color) == pEntry->peRed) &&
774 (GetGValue(color) == pEntry->peGreen) &&
775 (GetBValue(color) == pEntry->peBlue))
777 LeaveCriticalSection( &palette_cs );
781 LeaveCriticalSection( &palette_cs );
786 /***********************************************************************
787 * X11DRV_PALETTE_ToLogical
789 * Return RGB color for given X pixel.
791 COLORREF X11DRV_PALETTE_ToLogical(X11DRV_PDEVICE *physDev, int pixel)
796 /* truecolor visual */
798 if (screen_depth >= 24) return pixel;
801 /* check for hicolor visuals first */
803 if ( (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) && !X11DRV_PALETTE_Graymax )
805 ColorShifts *shifts = &X11DRV_PALETTE_default_shifts;
807 if(physDev->color_shifts)
808 shifts = physDev->color_shifts;
810 color.red = (pixel >> shifts->logicalRed.shift) & shifts->logicalRed.max;
811 if (shifts->logicalRed.scale<8)
812 color.red= color.red << (8-shifts->logicalRed.scale) |
813 color.red >> (2*shifts->logicalRed.scale-8);
814 color.green = (pixel >> shifts->logicalGreen.shift) & shifts->logicalGreen.max;
815 if (shifts->logicalGreen.scale<8)
816 color.green=color.green << (8-shifts->logicalGreen.scale) |
817 color.green >> (2*shifts->logicalGreen.scale-8);
818 color.blue = (pixel >> shifts->logicalBlue.shift) & shifts->logicalBlue.max;
819 if (shifts->logicalBlue.scale<8)
820 color.blue= color.blue << (8-shifts->logicalBlue.scale) |
821 color.blue >> (2*shifts->logicalBlue.scale-8);
822 return RGB(color.red,color.green,color.blue);
825 /* check if we can bypass X */
827 if ((screen_depth <= 8) && (pixel < 256) &&
828 !(X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_VIRTUAL | X11DRV_PALETTE_FIXED)) ) {
830 EnterCriticalSection( &palette_cs );
831 ret = *(COLORREF *)(COLOR_sysPal + (X11DRV_PALETTE_XPixelToPalette ? X11DRV_PALETTE_XPixelToPalette[pixel]: pixel)) & 0x00ffffff;
832 LeaveCriticalSection( &palette_cs );
838 XQueryColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &color);
840 return RGB(color.red >> 8, color.green >> 8, color.blue >> 8);
844 /***********************************************************************
845 * X11DRV_SysPaletteLookupPixel
847 static int X11DRV_SysPaletteLookupPixel( COLORREF col, BOOL skipReserved )
849 int i, best = 0, diff = 0x7fffffff;
852 for( i = 0; i < palette_size && diff ; i++ )
854 if( !(COLOR_sysPal[i].peFlags & PC_SYS_USED) ||
855 (skipReserved && COLOR_sysPal[i].peFlags & PC_SYS_RESERVED) )
858 r = COLOR_sysPal[i].peRed - GetRValue(col);
859 g = COLOR_sysPal[i].peGreen - GetGValue(col);
860 b = COLOR_sysPal[i].peBlue - GetBValue(col);
864 if( r < diff ) { best = i; diff = r; }
870 static inline BOOL colour_is_brighter(RGBQUAD c1, RGBQUAD c2)
872 return (c1.rgbRed * c1.rgbRed + c1.rgbGreen * c1.rgbGreen + c1.rgbBlue * c1.rgbBlue) >
873 (c2.rgbRed * c2.rgbRed + c2.rgbGreen * c2.rgbGreen + c2.rgbBlue * c2.rgbBlue);
876 /***********************************************************************
877 * X11DRV_PALETTE_GetColor
879 * Resolve PALETTEINDEX/PALETTERGB/DIBINDEX COLORREFs to an RGB COLORREF.
881 COLORREF X11DRV_PALETTE_GetColor( X11DRV_PDEVICE *physDev, COLORREF color )
883 HPALETTE hPal = GetCurrentObject(physDev->dev.hdc, OBJ_PAL );
884 unsigned char spec_type = color >> 24;
885 unsigned idx = color & 0xffff;
891 case 2: /* PALETTERGB */
892 idx = GetNearestPaletteIndex( hPal, color );
893 /* fall through to PALETTEINDEX */
895 case 1: /* PALETTEINDEX */
896 if (!GetPaletteEntries( hPal, idx, 1, &entry ))
898 WARN("PALETTEINDEX(%x) : idx %d is out of bounds, assuming black\n", color, idx);
901 return RGB( entry.peRed, entry.peGreen, entry.peBlue );
903 case 0x10: /* DIBINDEX */
904 if( GetDIBColorTable( physDev->dev.hdc, idx, 1, &quad ) != 1 ) {
905 WARN("DIBINDEX(%x) : idx %d is out of bounds, assuming black\n", color , idx);
908 return RGB( quad.rgbRed, quad.rgbGreen, quad.rgbBlue );
912 /* fall through to RGB */
919 /***********************************************************************
920 * X11DRV_PALETTE_ToPhysical
922 * Return the physical color closest to 'color'.
924 int X11DRV_PALETTE_ToPhysical( X11DRV_PDEVICE *physDev, COLORREF color )
927 HPALETTE hPal = GetCurrentObject(physDev->dev.hdc, OBJ_PAL );
928 unsigned char spec_type = color >> 24;
929 int *mapping = palette_get_mapping( hPal );
931 ColorShifts *shifts = &X11DRV_PALETTE_default_shifts;
933 if(physDev->color_shifts)
934 shifts = physDev->color_shifts;
936 if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED )
938 /* there is no colormap limitation; we are going to have to compute
939 * the pixel value from the visual information stored earlier
942 unsigned long red, green, blue;
943 unsigned idx = color & 0xffff;
947 case 0x10: /* DIBINDEX */
948 color = X11DRV_PALETTE_GetColor( physDev, color );
951 case 1: /* PALETTEINDEX */
952 if (!GetPaletteEntries( hPal, idx, 1, &entry ))
954 WARN("PALETTEINDEX(%x) : idx %d is out of bounds, assuming black\n", color, idx);
957 if (mapping) return mapping[idx];
958 color = RGB( entry.peRed, entry.peGreen, entry.peBlue );
963 /* fall through to RGB */
966 if (physDev->depth == 1)
971 if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
973 if(!colour_is_brighter(table[1], table[0])) white = 0;
975 return (((color >> 16) & 0xff) +
976 ((color >> 8) & 0xff) + (color & 0xff) > 255*3/2) ? white : 1 - white;
981 red = GetRValue(color); green = GetGValue(color); blue = GetBValue(color);
983 if (X11DRV_PALETTE_Graymax)
985 /* grayscale only; return scaled value */
986 return ( (red * 30 + green * 59 + blue * 11) * X11DRV_PALETTE_Graymax) / 25500;
990 /* scale each individually and construct the TrueColor pixel value */
991 if (shifts->physicalRed.scale < 8)
992 red = red >> (8-shifts->physicalRed.scale);
993 else if (shifts->physicalRed.scale > 8)
994 red = red << (shifts->physicalRed.scale-8) |
995 red >> (16-shifts->physicalRed.scale);
996 if (shifts->physicalGreen.scale < 8)
997 green = green >> (8-shifts->physicalGreen.scale);
998 else if (shifts->physicalGreen.scale > 8)
999 green = green << (shifts->physicalGreen.scale-8) |
1000 green >> (16-shifts->physicalGreen.scale);
1001 if (shifts->physicalBlue.scale < 8)
1002 blue = blue >> (8-shifts->physicalBlue.scale);
1003 else if (shifts->physicalBlue.scale > 8)
1004 blue = blue << (shifts->physicalBlue.scale-8) |
1005 blue >> (16-shifts->physicalBlue.scale);
1007 return (red << shifts->physicalRed.shift) | (green << shifts->physicalGreen.shift) | (blue << shifts->physicalBlue.shift);
1013 WARN("Palette %p is not realized\n", hPal);
1015 switch(spec_type) /* we have to peruse DC and system palette */
1019 /* fall through to RGB */
1022 if (physDev->depth == 1)
1027 if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
1029 if(!colour_is_brighter(table[1], table[0]))
1032 return (((color >> 16) & 0xff) +
1033 ((color >> 8) & 0xff) + (color & 0xff) > 255*3/2) ? white : 1 - white;
1036 EnterCriticalSection( &palette_cs );
1037 index = X11DRV_SysPaletteLookupPixel( color, FALSE);
1038 if (X11DRV_PALETTE_PaletteToXPixel) index = X11DRV_PALETTE_PaletteToXPixel[index];
1039 LeaveCriticalSection( &palette_cs );
1041 /* TRACE(palette,"RGB(%lx) -> pixel %i\n", color, index);
1044 case 1: /* PALETTEINDEX */
1045 index = color & 0xffff;
1046 if (!GetPaletteEntries( hPal, index, 1, &entry ))
1047 WARN("PALETTEINDEX(%x) : index %i is out of bounds\n", color, index);
1048 else if (mapping) index = mapping[index];
1050 /* TRACE(palette,"PALETTEINDEX(%04x) -> pixel %i\n", (WORD)color, index);
1053 case 2: /* PALETTERGB */
1054 index = GetNearestPaletteIndex( hPal, color );
1055 if (mapping) index = mapping[index];
1056 /* TRACE(palette,"PALETTERGB(%lx) -> pixel %i\n", color, index);
1064 /***********************************************************************
1065 * X11DRV_PALETTE_LookupPixel
1067 int X11DRV_PALETTE_LookupPixel(ColorShifts *shifts, COLORREF color )
1069 unsigned char spec_type = color >> 24;
1071 /* Only accept RGB which has spec_type = 0 */
1077 if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED )
1079 unsigned long red, green, blue;
1080 red = GetRValue(color); green = GetGValue(color); blue = GetBValue(color);
1082 if (X11DRV_PALETTE_Graymax)
1084 /* grayscale only; return scaled value */
1085 return ( (red * 30 + green * 59 + blue * 11) * X11DRV_PALETTE_Graymax) / 25500;
1089 /* No shifts are set in case of 1-bit */
1090 if(!shifts) shifts = &X11DRV_PALETTE_default_shifts;
1092 /* scale each individually and construct the TrueColor pixel value */
1093 if (shifts->physicalRed.scale < 8)
1094 red = red >> (8-shifts->physicalRed.scale);
1095 else if (shifts->physicalRed.scale > 8)
1096 red = red << (shifts->physicalRed.scale-8) |
1097 red >> (16-shifts->physicalRed.scale);
1098 if (shifts->physicalGreen.scale < 8)
1099 green = green >> (8-shifts->physicalGreen.scale);
1100 else if (shifts->physicalGreen.scale > 8)
1101 green = green << (shifts->physicalGreen.scale-8) |
1102 green >> (16-shifts->physicalGreen.scale);
1103 if (shifts->physicalBlue.scale < 8)
1104 blue = blue >> (8-shifts->physicalBlue.scale);
1105 else if (shifts->physicalBlue.scale > 8)
1106 blue = blue << (shifts->physicalBlue.scale-8) |
1107 blue >> (16-shifts->physicalBlue.scale);
1109 return (red << shifts->physicalRed.shift) | (green << shifts->physicalGreen.shift) | (blue << shifts->physicalBlue.shift);
1115 HPALETTE hPal = GetStockObject(DEFAULT_PALETTE);
1116 int *mapping = palette_get_mapping( hPal );
1119 WARN("Palette %p is not realized\n", hPal);
1121 EnterCriticalSection( &palette_cs );
1122 index = X11DRV_SysPaletteLookupPixel( color, FALSE);
1123 if (X11DRV_PALETTE_PaletteToXPixel)
1124 index = X11DRV_PALETTE_PaletteToXPixel[index];
1125 LeaveCriticalSection( &palette_cs );
1131 /***********************************************************************
1132 * X11DRV_PALETTE_LookupSystemXPixel
1134 static int X11DRV_PALETTE_LookupSystemXPixel(COLORREF col)
1136 int i, best = 0, diff = 0x7fffffff;
1137 int size = palette_size;
1140 for( i = 0; i < size && diff ; i++ )
1142 if( i == NB_RESERVED_COLORS/2 )
1144 int newi = size - NB_RESERVED_COLORS/2;
1148 r = COLOR_sysPal[i].peRed - GetRValue(col);
1149 g = COLOR_sysPal[i].peGreen - GetGValue(col);
1150 b = COLOR_sysPal[i].peBlue - GetBValue(col);
1152 r = r*r + g*g + b*b;
1154 if( r < diff ) { best = i; diff = r; }
1157 return (X11DRV_PALETTE_PaletteToXPixel)? X11DRV_PALETTE_PaletteToXPixel[best] : best;
1160 /***********************************************************************
1161 * X11DRV_PALETTE_FormatSystemPalette
1163 static void X11DRV_PALETTE_FormatSystemPalette(void)
1165 /* Build free list so we'd have an easy way to find
1166 * out if there are any available colorcells.
1169 int i, j = X11DRV_PALETTE_firstFree = NB_RESERVED_COLORS/2;
1171 COLOR_sysPal[j].peFlags = 0;
1172 for( i = NB_RESERVED_COLORS/2 + 1 ; i < 256 - NB_RESERVED_COLORS/2 ; i++ )
1173 if( i < COLOR_gapStart || i > COLOR_gapEnd )
1175 COLOR_sysPal[i].peFlags = 0; /* unused tag */
1176 X11DRV_PALETTE_freeList[j] = i; /* next */
1179 X11DRV_PALETTE_freeList[j] = 0;
1182 /***********************************************************************
1183 * X11DRV_PALETTE_CheckSysColor
1185 static BOOL X11DRV_PALETTE_CheckSysColor( const PALETTEENTRY *sys_pal_template, COLORREF c)
1188 for( i = 0; i < NB_RESERVED_COLORS; i++ )
1189 if( c == (*(const COLORREF*)(sys_pal_template + i) & 0x00ffffff) )
1195 /***********************************************************************
1196 * X11DRV_LookupSysPaletteExact
1198 static int X11DRV_LookupSysPaletteExact( BYTE r, BYTE g, BYTE b )
1201 for( i = 0; i < palette_size; i++ )
1203 if( COLOR_sysPal[i].peFlags & PC_SYS_USED ) /* skips gap */
1204 if( COLOR_sysPal[i].peRed == r &&
1205 COLOR_sysPal[i].peGreen == g &&
1206 COLOR_sysPal[i].peBlue == b )
1213 /***********************************************************************
1214 * RealizePalette (X11DRV.@)
1216 UINT X11DRV_RealizePalette( PHYSDEV dev, HPALETTE hpal, BOOL primary )
1218 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
1221 UINT i, iRemapped = 0;
1222 int *prev_mapping, *mapping;
1223 PALETTEENTRY entries[256];
1226 if (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) return 0;
1228 if (!GetObjectW( hpal, sizeof(num_entries), &num_entries )) return 0;
1230 /* initialize palette mapping table */
1231 prev_mapping = palette_get_mapping( hpal );
1233 mapping = HeapReAlloc( GetProcessHeap(), 0, prev_mapping, sizeof(int)*num_entries);
1235 mapping = HeapAlloc( GetProcessHeap(), 0, sizeof(int)*num_entries);
1237 if(mapping == NULL) {
1238 ERR("Unable to allocate new mapping -- memory exhausted!\n");
1241 palette_set_mapping( hpal, mapping );
1243 if (num_entries > 256)
1245 FIXME( "more than 256 entries not supported\n" );
1248 if (!(num_entries = GetPaletteEntries( hpal, 0, num_entries, entries ))) return 0;
1250 /* reset dynamic system palette entries */
1252 EnterCriticalSection( &palette_cs );
1253 if( primary && X11DRV_PALETTE_firstFree != -1)
1254 X11DRV_PALETTE_FormatSystemPalette();
1256 for (i = 0; i < num_entries; i++)
1261 /* Even though the docs say that only one flag is to be set,
1262 * they are a bitmask. At least one app sets more than one at
1264 if ( entries[i].peFlags & PC_EXPLICIT ) {
1265 /* palette entries are indices into system palette */
1266 index = *(WORD*)&entries[i];
1267 if( index > 255 || (index >= COLOR_gapStart && index <= COLOR_gapEnd) )
1269 WARN("PC_EXPLICIT: idx %d out of system palette, assuming black.\n", index);
1272 if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
1274 if ( entries[i].peFlags & PC_RESERVED ) {
1275 /* forbid future mappings to this entry */
1276 flag |= PC_SYS_RESERVED;
1279 if (! (entries[i].peFlags & PC_NOCOLLAPSE) ) {
1280 /* try to collapse identical colors */
1281 index = X11DRV_LookupSysPaletteExact( entries[i].peRed, entries[i].peGreen, entries[i].peBlue );
1286 if( X11DRV_PALETTE_firstFree > 0 )
1289 index = X11DRV_PALETTE_firstFree; /* ought to be available */
1290 X11DRV_PALETTE_firstFree = X11DRV_PALETTE_freeList[index];
1292 color.pixel = (X11DRV_PALETTE_PaletteToXPixel) ? X11DRV_PALETTE_PaletteToXPixel[index] : index;
1293 color.red = entries[i].peRed << 8;
1294 color.green = entries[i].peGreen << 8;
1295 color.blue = entries[i].peBlue << 8;
1296 color.flags = DoRed | DoGreen | DoBlue;
1298 XStoreColor(gdi_display, X11DRV_PALETTE_PaletteXColormap, &color);
1299 wine_tsx11_unlock();
1301 COLOR_sysPal[index] = entries[i];
1302 COLOR_sysPal[index].peFlags = flag;
1303 X11DRV_PALETTE_freeList[index] = 0;
1305 if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
1307 else if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
1309 index = X11DRV_PALETTE_LookupPixel( physDev->color_shifts, RGB( entries[i].peRed, entries[i].peGreen, entries[i].peBlue ));
1312 /* we have to map to existing entry in the system palette */
1314 index = X11DRV_SysPaletteLookupPixel( RGB( entries[i].peRed, entries[i].peGreen, entries[i].peBlue ),
1318 if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
1321 if( !prev_mapping || mapping[i] != index ) iRemapped++;
1324 TRACE("entry %i (%x) -> pixel %i\n", i, *(COLORREF*)&entries[i], index);
1327 LeaveCriticalSection( &palette_cs );
1332 /***********************************************************************
1333 * UnrealizePalette (X11DRV.@)
1335 BOOL X11DRV_UnrealizePalette( HPALETTE hpal )
1337 int *mapping = palette_get_mapping( hpal );
1342 XDeleteContext( gdi_display, (XID)hpal, palette_context );
1343 wine_tsx11_unlock();
1344 HeapFree( GetProcessHeap(), 0, mapping );
1350 /***********************************************************************
1351 * GetSystemPaletteEntries (X11DRV.@)
1353 UINT X11DRV_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, LPPALETTEENTRY entries )
1357 if (!entries) return palette_size;
1358 if (start >= palette_size) return 0;
1359 if (start + count >= palette_size) count = palette_size - start;
1361 EnterCriticalSection( &palette_cs );
1362 for (i = 0; i < count; i++)
1364 entries[i].peRed = COLOR_sysPal[start + i].peRed;
1365 entries[i].peGreen = COLOR_sysPal[start + i].peGreen;
1366 entries[i].peBlue = COLOR_sysPal[start + i].peBlue;
1367 entries[i].peFlags = 0;
1368 TRACE("\tidx(%02x) -> RGB(%08x)\n", start + i, *(COLORREF*)(entries + i) );
1370 LeaveCriticalSection( &palette_cs );
1375 /***********************************************************************
1376 * GetNearestColor (X11DRV.@)
1378 COLORREF X11DRV_GetNearestColor( PHYSDEV dev, COLORREF color )
1380 unsigned char spec_type = color >> 24;
1383 if (!palette_size) return color;
1385 if (spec_type == 1 || spec_type == 2)
1387 /* we need logical palette for PALETTERGB and PALETTEINDEX colorrefs */
1391 HPALETTE hpal = GetCurrentObject( dev->hdc, OBJ_PAL );
1393 if (!hpal) hpal = GetStockObject( DEFAULT_PALETTE );
1395 if (spec_type == 2) /* PALETTERGB */
1396 index = GetNearestPaletteIndex( hpal, color );
1397 else /* PALETTEINDEX */
1398 index = LOWORD(color);
1400 if (!GetPaletteEntries( hpal, index, 1, &entry ))
1402 WARN("RGB(%x) : idx %d is out of bounds, assuming NULL\n", color, index );
1403 if (!GetPaletteEntries( hpal, 0, 1, &entry )) return CLR_INVALID;
1405 color = RGB( entry.peRed, entry.peGreen, entry.peBlue );
1407 color &= 0x00ffffff;
1408 EnterCriticalSection( &palette_cs );
1409 nearest = (0x00ffffff & *(COLORREF*)(COLOR_sysPal + X11DRV_SysPaletteLookupPixel(color, FALSE)));
1410 LeaveCriticalSection( &palette_cs );
1412 TRACE("(%06x): returning %06x\n", color, nearest );
1417 /***********************************************************************
1418 * RealizeDefaultPalette (X11DRV.@)
1420 UINT X11DRV_RealizeDefaultPalette( PHYSDEV dev )
1424 if (palette_size && GetObjectType(dev->hdc) != OBJ_MEMDC)
1426 /* lookup is needed to account for SetSystemPaletteUse() stuff */
1427 int i, index, *mapping = palette_get_mapping( GetStockObject(DEFAULT_PALETTE) );
1428 PALETTEENTRY entries[NB_RESERVED_COLORS];
1430 GetPaletteEntries( GetStockObject(DEFAULT_PALETTE), 0, NB_RESERVED_COLORS, entries );
1431 EnterCriticalSection( &palette_cs );
1432 for( i = 0; i < NB_RESERVED_COLORS; i++ )
1434 index = X11DRV_PALETTE_LookupSystemXPixel( RGB(entries[i].peRed,
1436 entries[i].peBlue) );
1437 /* mapping is allocated in COLOR_InitPalette() */
1438 if( index != mapping[i] )
1444 LeaveCriticalSection( &palette_cs );