994 lines
32 KiB
C
994 lines
32 KiB
C
/*
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* X11DRV OEM bitmap objects
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*
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* Copyright 1994, 1995 Alexandre Julliard
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*
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*/
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#include "config.h"
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#include "ts_xlib.h"
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#include <stdlib.h>
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#include <string.h>
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#include "color.h"
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#include "debugtools.h"
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#include "gdi.h"
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#include "options.h"
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#include "palette.h"
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#include "windef.h"
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#include "x11drv.h"
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DEFAULT_DEBUG_CHANNEL(palette);
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/* Palette indexed mode:
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* logical palette -> mapping -> pixel
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*
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*
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* Windows needs contiguous color space ( from 0 to n ) but
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* it is possible only with the private colormap. Otherwise we
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* have to map DC palette indices to real pixel values. With
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* private colormaps it boils down to the identity mapping. The
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* other special case is when we have a fixed color visual with
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* the screendepth > 8 - we abandon palette mappings altogether
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* because pixel values can be calculated without X server
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* assistance.
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*
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* Windows palette manager is described in the
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* http://premium.microsoft.com/msdn/library/techart/f30/f34/f40/d4d/sa942.htm
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*/
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extern PALETTEENTRY *COLOR_sysPal;
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extern int COLOR_gapStart;
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extern int COLOR_gapEnd;
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extern int COLOR_gapFilled;
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extern int COLOR_max;
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extern const PALETTEENTRY COLOR_sysPalTemplate[NB_RESERVED_COLORS];
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Colormap X11DRV_PALETTE_PaletteXColormap = 0;
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UINT16 X11DRV_PALETTE_PaletteFlags = 0;
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static int X11DRV_PALETTE_Redshift = 0; /* to handle abortive X11DRV_PALETTE_VIRTUAL visuals */
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static int X11DRV_PALETTE_Redmax = 0;
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static int X11DRV_PALETTE_Greenshift = 0;
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static int X11DRV_PALETTE_Greenmax = 0;
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static int X11DRV_PALETTE_Blueshift = 0;
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static int X11DRV_PALETTE_Bluemax = 0;
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static int X11DRV_PALETTE_Graymax = 0;
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/* First free dynamic color cell, 0 = full palette, -1 = fixed palette */
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static int X11DRV_PALETTE_firstFree = 0;
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static unsigned char X11DRV_PALETTE_freeList[256];
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/**********************************************************************/
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/* Map an EGA index (0..15) to a pixel value in the system color space. */
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int X11DRV_PALETTE_mapEGAPixel[16];
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/**********************************************************************/
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#define NB_COLORCUBE_START_INDEX 63
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/* Maps entry in the system palette to X pixel value */
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int *X11DRV_PALETTE_PaletteToXPixel = NULL;
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/* Maps pixel to the entry in the system palette */
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int *X11DRV_PALETTE_XPixelToPalette = NULL;
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/**********************************************************************/
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static BOOL X11DRV_PALETTE_BuildPrivateMap(void);
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static BOOL X11DRV_PALETTE_BuildSharedMap(void);
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static void X11DRV_PALETTE_ComputeShifts(unsigned long maskbits, int *shift, int *max);
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static void X11DRV_PALETTE_FillDefaultColors(void);
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static void X11DRV_PALETTE_FormatSystemPalette(void);
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static BOOL X11DRV_PALETTE_CheckSysColor(COLORREF c);
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static int X11DRV_PALETTE_LookupSystemXPixel(COLORREF col);
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/***********************************************************************
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* COLOR_Init
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*
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* Initialize color management.
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*/
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BOOL X11DRV_PALETTE_Init(void)
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{
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int mask, white, black;
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int monoPlane;
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Visual *visual = X11DRV_GetVisual();
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TRACE("initializing palette manager...\n");
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white = WhitePixelOfScreen( X11DRV_GetXScreen() );
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black = BlackPixelOfScreen( X11DRV_GetXScreen() );
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monoPlane = 1;
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for( mask = 1; !((white & mask)^(black & mask)); mask <<= 1 )
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monoPlane++;
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X11DRV_PALETTE_PaletteFlags = (white & mask) ? X11DRV_PALETTE_WHITESET : 0;
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X11DRV_DevCaps.sizePalette = visual->map_entries;
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switch(visual->class)
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{
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case DirectColor:
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X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_VIRTUAL;
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case GrayScale:
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case PseudoColor:
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if (PROFILE_GetWineIniBool( "x11drv", "PrivateColorMap", 0 ))
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{
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XSetWindowAttributes win_attr;
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X11DRV_PALETTE_PaletteXColormap = TSXCreateColormap( display, X11DRV_GetXRootWindow(),
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visual, AllocAll );
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if (X11DRV_PALETTE_PaletteXColormap)
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{
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X11DRV_PALETTE_PaletteFlags |= (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_WHITESET);
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monoPlane = 1;
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for( white = X11DRV_DevCaps.sizePalette - 1; !(white & 1); white >>= 1 )
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monoPlane++;
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if( X11DRV_GetXRootWindow() != DefaultRootWindow(display) )
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{
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win_attr.colormap = X11DRV_PALETTE_PaletteXColormap;
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TSXChangeWindowAttributes( display, X11DRV_GetXRootWindow(),
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CWColormap, &win_attr );
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}
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break;
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}
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}
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X11DRV_PALETTE_PaletteXColormap = TSXCreateColormap(display, X11DRV_GetXRootWindow(), visual, AllocNone);
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break;
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case StaticGray:
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X11DRV_PALETTE_PaletteXColormap = TSXCreateColormap(display, X11DRV_GetXRootWindow(), visual, AllocNone);
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X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_FIXED;
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X11DRV_PALETTE_Graymax = (1 << X11DRV_GetDepth())-1;
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break;
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case TrueColor:
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X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_VIRTUAL;
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case StaticColor: {
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int *depths,nrofdepths;
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/* FIXME: hack to detect XFree32 XF_VGA16 ... We just have
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* depths 1 and 4
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*/
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depths=TSXListDepths(display,DefaultScreen(display),&nrofdepths);
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if ((nrofdepths==2) && ((depths[0]==4) || depths[1]==4)) {
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monoPlane = 1;
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for( white = X11DRV_DevCaps.sizePalette - 1; !(white & 1); white >>= 1 )
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monoPlane++;
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X11DRV_PALETTE_PaletteFlags = (white & mask) ? X11DRV_PALETTE_WHITESET : 0;
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X11DRV_PALETTE_PaletteXColormap = TSXCreateColormap(display, X11DRV_GetXRootWindow(), visual, AllocNone);
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TSXFree(depths);
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break;
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}
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TSXFree(depths);
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X11DRV_PALETTE_PaletteXColormap = TSXCreateColormap(display, X11DRV_GetXRootWindow(), visual, AllocNone);
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X11DRV_PALETTE_PaletteFlags |= X11DRV_PALETTE_FIXED;
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X11DRV_PALETTE_ComputeShifts(visual->red_mask, &X11DRV_PALETTE_Redshift, &X11DRV_PALETTE_Redmax);
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X11DRV_PALETTE_ComputeShifts(visual->green_mask, &X11DRV_PALETTE_Greenshift, &X11DRV_PALETTE_Greenmax);
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X11DRV_PALETTE_ComputeShifts(visual->blue_mask, &X11DRV_PALETTE_Blueshift, &X11DRV_PALETTE_Bluemax);
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break;
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}
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}
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TRACE(" visual class %i (%i)\n", visual->class, monoPlane);
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memset(X11DRV_PALETTE_freeList, 0, 256*sizeof(unsigned char));
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if (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_PRIVATE)
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X11DRV_PALETTE_BuildPrivateMap();
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else
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X11DRV_PALETTE_BuildSharedMap();
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/* Build free list */
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if( X11DRV_PALETTE_firstFree != -1 )
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X11DRV_PALETTE_FormatSystemPalette();
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X11DRV_PALETTE_FillDefaultColors();
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if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
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X11DRV_DevCaps.sizePalette = 0;
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else
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{
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X11DRV_DevCaps.rasterCaps |= RC_PALETTE;
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X11DRV_DevCaps.sizePalette = visual->map_entries;
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}
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_PALETTE_Cleanup
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*
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* Free external colors we grabbed in the FillDefaultPalette()
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*/
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void X11DRV_PALETTE_Cleanup(void)
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{
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if( COLOR_gapFilled )
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TSXFreeColors(display, X11DRV_PALETTE_PaletteXColormap,
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(unsigned long*)(X11DRV_PALETTE_PaletteToXPixel + COLOR_gapStart),
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COLOR_gapFilled, 0);
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}
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/***********************************************************************
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* X11DRV_PALETTE_ComputeShifts
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*
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* Calculate conversion parameters for direct mapped visuals
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*/
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static void X11DRV_PALETTE_ComputeShifts(unsigned long maskbits, int *shift, int *max)
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{
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int i;
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if (maskbits==0)
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{
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*shift=0;
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*max=0;
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return;
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}
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for(i=0;!(maskbits&1);i++)
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maskbits >>= 1;
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*shift = i;
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*max = maskbits;
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}
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/***********************************************************************
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* X11DRV_PALETTE_BuildPrivateMap
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*
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* Allocate colorcells and initialize mapping tables.
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*/
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static BOOL X11DRV_PALETTE_BuildPrivateMap(void)
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{
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/* Private colormap - identity mapping */
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XColor color;
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int i;
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if((COLOR_sysPal = (PALETTEENTRY*)HeapAlloc(GetProcessHeap(), 0, sizeof(PALETTEENTRY)*X11DRV_DevCaps.sizePalette)) == NULL) {
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WARN("Can not allocate system palette\n");
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return FALSE;
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}
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TRACE("Building private map - %i palette entries\n", X11DRV_DevCaps.sizePalette);
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/* Allocate system palette colors */
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for( i=0; i < X11DRV_DevCaps.sizePalette; i++ )
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{
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if( i < NB_RESERVED_COLORS/2 )
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{
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color.red = COLOR_sysPalTemplate[i].peRed * 65535 / 255;
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color.green = COLOR_sysPalTemplate[i].peGreen * 65535 / 255;
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color.blue = COLOR_sysPalTemplate[i].peBlue * 65535 / 255;
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COLOR_sysPal[i] = COLOR_sysPalTemplate[i];
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}
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else if( i >= X11DRV_DevCaps.sizePalette - NB_RESERVED_COLORS/2 )
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{
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int j = NB_RESERVED_COLORS + i - X11DRV_DevCaps.sizePalette;
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color.red = COLOR_sysPalTemplate[j].peRed * 65535 / 255;
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color.green = COLOR_sysPalTemplate[j].peGreen * 65535 / 255;
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color.blue = COLOR_sysPalTemplate[j].peBlue * 65535 / 255;
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COLOR_sysPal[i] = COLOR_sysPalTemplate[j];
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}
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color.flags = DoRed | DoGreen | DoBlue;
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color.pixel = i;
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TSXStoreColor(display, X11DRV_PALETTE_PaletteXColormap, &color);
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/* Set EGA mapping if color is from the first or last eight */
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if (i < 8)
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X11DRV_PALETTE_mapEGAPixel[i] = color.pixel;
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else if (i >= X11DRV_DevCaps.sizePalette - 8 )
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X11DRV_PALETTE_mapEGAPixel[i - (X11DRV_DevCaps.sizePalette - 16)] = color.pixel;
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}
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X11DRV_PALETTE_XPixelToPalette = X11DRV_PALETTE_PaletteToXPixel = NULL;
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COLOR_gapStart = 256; COLOR_gapEnd = -1;
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X11DRV_PALETTE_firstFree = (X11DRV_DevCaps.sizePalette > NB_RESERVED_COLORS)?NB_RESERVED_COLORS/2 : -1;
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return FALSE;
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}
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/***********************************************************************
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* X11DRV_PALETTE_BuildSharedMap
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*
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* Allocate colorcells and initialize mapping tables.
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*/
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static BOOL X11DRV_PALETTE_BuildSharedMap(void)
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{
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XColor color;
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unsigned long sysPixel[NB_RESERVED_COLORS];
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unsigned long* pixDynMapping = NULL;
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unsigned long plane_masks[1];
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int i, j, warn = 0;
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int diff, r, g, b, max = 256, bp = 0, wp = 1;
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int step = 1;
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/* read "AllocSystemColors" from wine.conf */
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COLOR_max = PROFILE_GetWineIniInt( "x11drv", "AllocSystemColors", 256);
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if (COLOR_max > 256) COLOR_max = 256;
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else if (COLOR_max < 20) COLOR_max = 20;
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TRACE("%d colors configured.\n", COLOR_max);
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TRACE("Building shared map - %i palette entries\n", X11DRV_DevCaps.sizePalette);
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/* Be nice and allocate system colors as read-only */
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for( i = 0; i < NB_RESERVED_COLORS; i++ )
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{
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color.red = COLOR_sysPalTemplate[i].peRed * 65535 / 255;
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color.green = COLOR_sysPalTemplate[i].peGreen * 65535 / 255;
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color.blue = COLOR_sysPalTemplate[i].peBlue * 65535 / 255;
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color.flags = DoRed | DoGreen | DoBlue;
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if (!TSXAllocColor( display, X11DRV_PALETTE_PaletteXColormap, &color ))
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{
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XColor best, c;
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if( !warn++ )
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{
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WARN("Not enough colors for the full system palette.\n");
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bp = BlackPixel(display, DefaultScreen(display));
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wp = WhitePixel(display, DefaultScreen(display));
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max = (0xffffffff)>>(32 - X11DRV_GetDepth());
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if( max > 256 )
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{
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step = max/256;
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max = 256;
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}
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}
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/* reinit color (XAllocColor() may change it)
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* and map to the best shared colorcell */
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color.red = COLOR_sysPalTemplate[i].peRed * 65535 / 255;
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color.green = COLOR_sysPalTemplate[i].peGreen * 65535 / 255;
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color.blue = COLOR_sysPalTemplate[i].peBlue * 65535 / 255;
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best.pixel = best.red = best.green = best.blue = 0;
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for( c.pixel = 0, diff = 0x7fffffff; c.pixel < max; c.pixel += step )
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{
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TSXQueryColor(display, X11DRV_PALETTE_PaletteXColormap, &c);
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r = (c.red - color.red)>>8;
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g = (c.green - color.green)>>8;
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b = (c.blue - color.blue)>>8;
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r = r*r + g*g + b*b;
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if( r < diff ) { best = c; diff = r; }
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}
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if( TSXAllocColor(display, X11DRV_PALETTE_PaletteXColormap, &best) )
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color.pixel = best.pixel;
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else color.pixel = (i < NB_RESERVED_COLORS/2)? bp : wp;
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}
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sysPixel[i] = color.pixel;
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TRACE("syscolor(%lx) -> pixel %i\n",
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*(COLORREF*)(COLOR_sysPalTemplate+i), (int)color.pixel);
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/* Set EGA mapping if color in the first or last eight */
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if (i < 8)
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X11DRV_PALETTE_mapEGAPixel[i] = color.pixel;
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else if (i >= NB_RESERVED_COLORS - 8 )
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X11DRV_PALETTE_mapEGAPixel[i - (NB_RESERVED_COLORS-16)] = color.pixel;
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}
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/* now allocate changeable set */
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if( !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
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{
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int c_min = 0, c_max = X11DRV_DevCaps.sizePalette, c_val;
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TRACE("Dynamic colormap... \n");
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/* let's become the first client that actually follows
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* X guidelines and does binary search...
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*/
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if((pixDynMapping = (unsigned long*)HeapAlloc(GetProcessHeap(), 0, sizeof(long)*X11DRV_DevCaps.sizePalette)) == NULL) {
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WARN("Out of memory while building system palette.\n");
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return FALSE;
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}
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/* comment this out if you want to debug palette init */
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TSXGrabServer(display);
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while( c_max - c_min > 0 )
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{
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c_val = (c_max + c_min)/2 + (c_max + c_min)%2;
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if( !TSXAllocColorCells(display, X11DRV_PALETTE_PaletteXColormap, False,
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plane_masks, 0, pixDynMapping, c_val) )
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c_max = c_val - 1;
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else
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{
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TSXFreeColors(display, X11DRV_PALETTE_PaletteXColormap, pixDynMapping, c_val, 0);
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c_min = c_val;
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}
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}
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if( c_min > COLOR_max - NB_RESERVED_COLORS)
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c_min = COLOR_max - NB_RESERVED_COLORS;
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c_min = (c_min/2) + (c_min/2); /* need even set for split palette */
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if( c_min > 0 )
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if( !TSXAllocColorCells(display, X11DRV_PALETTE_PaletteXColormap, False,
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plane_masks, 0, pixDynMapping, c_min) )
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{
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WARN("Inexplicable failure during colorcell allocation.\n");
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c_min = 0;
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}
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X11DRV_DevCaps.sizePalette = c_min + NB_RESERVED_COLORS;
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TSXUngrabServer(display);
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TRACE("adjusted size %i colorcells\n", X11DRV_DevCaps.sizePalette);
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}
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else if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
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{
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/* virtual colorspace - ToPhysical takes care of
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* color translations but we have to allocate full palette
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* to maintain compatibility
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*/
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X11DRV_DevCaps.sizePalette = 256;
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TRACE("Virtual colorspace - screendepth %i\n", X11DRV_GetDepth());
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}
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else X11DRV_DevCaps.sizePalette = NB_RESERVED_COLORS; /* system palette only - however we can alloc a bunch
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* of colors and map to them */
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TRACE("Shared system palette uses %i colors.\n", X11DRV_DevCaps.sizePalette);
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/* set gap to account for pixel shortage. It has to be right in the center
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* of the system palette because otherwise raster ops get screwed. */
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if( X11DRV_DevCaps.sizePalette >= 256 )
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{ COLOR_gapStart = 256; COLOR_gapEnd = -1; }
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else
|
|
{ COLOR_gapStart = X11DRV_DevCaps.sizePalette/2; COLOR_gapEnd = 255 - X11DRV_DevCaps.sizePalette/2; }
|
|
|
|
X11DRV_PALETTE_firstFree = ( X11DRV_DevCaps.sizePalette > NB_RESERVED_COLORS &&
|
|
(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL || !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED)) )
|
|
? NB_RESERVED_COLORS/2 : -1;
|
|
|
|
COLOR_sysPal = (PALETTEENTRY*)HeapAlloc(GetProcessHeap(),0,sizeof(PALETTEENTRY)*256);
|
|
if(COLOR_sysPal == NULL) {
|
|
ERR("Can not allocate system palette!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* setup system palette entry <-> pixel mappings and fill in 20 fixed entries */
|
|
|
|
if (X11DRV_GetDepth() <= 8)
|
|
{
|
|
X11DRV_PALETTE_XPixelToPalette = (int*)calloc(256, sizeof(int));
|
|
if(X11DRV_PALETTE_XPixelToPalette == NULL) {
|
|
ERR("Out of memory: XPixelToPalette!\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* for hicolor visuals PaletteToPixel mapping is used to skip
|
|
* RGB->pixel calculation in X11DRV_PALETTE_ToPhysical().
|
|
*/
|
|
|
|
X11DRV_PALETTE_PaletteToXPixel = (int*)HeapAlloc(GetProcessHeap(),0,sizeof(int)*256);
|
|
if(X11DRV_PALETTE_PaletteToXPixel == NULL) {
|
|
ERR("Out of memory: PaletteToXPixel!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
for( i = j = 0; i < 256; i++ )
|
|
{
|
|
if( i >= COLOR_gapStart && i <= COLOR_gapEnd )
|
|
{
|
|
X11DRV_PALETTE_PaletteToXPixel[i] = 0;
|
|
COLOR_sysPal[i].peFlags = 0; /* mark as unused */
|
|
continue;
|
|
}
|
|
|
|
if( i < NB_RESERVED_COLORS/2 )
|
|
{
|
|
X11DRV_PALETTE_PaletteToXPixel[i] = sysPixel[i];
|
|
COLOR_sysPal[i] = COLOR_sysPalTemplate[i];
|
|
}
|
|
else if( i >= 256 - NB_RESERVED_COLORS/2 )
|
|
{
|
|
X11DRV_PALETTE_PaletteToXPixel[i] = sysPixel[(i + NB_RESERVED_COLORS) - 256];
|
|
COLOR_sysPal[i] = COLOR_sysPalTemplate[(i + NB_RESERVED_COLORS) - 256];
|
|
}
|
|
else if( pixDynMapping )
|
|
X11DRV_PALETTE_PaletteToXPixel[i] = pixDynMapping[j++];
|
|
else
|
|
X11DRV_PALETTE_PaletteToXPixel[i] = i;
|
|
|
|
TRACE("index %i -> pixel %i\n", i, X11DRV_PALETTE_PaletteToXPixel[i]);
|
|
|
|
if( X11DRV_PALETTE_XPixelToPalette )
|
|
X11DRV_PALETTE_XPixelToPalette[X11DRV_PALETTE_PaletteToXPixel[i]] = i;
|
|
}
|
|
|
|
if( pixDynMapping ) HeapFree(GetProcessHeap(), 0, pixDynMapping);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* Colormap Initialization
|
|
*/
|
|
static void X11DRV_PALETTE_FillDefaultColors(void)
|
|
{
|
|
/* initialize unused entries to what Windows uses as a color
|
|
* cube - based on Greg Kreider's code.
|
|
*/
|
|
|
|
int i = 0, idx = 0;
|
|
int red, no_r, inc_r;
|
|
int green, no_g, inc_g;
|
|
int blue, no_b, inc_b;
|
|
|
|
if (X11DRV_DevCaps.sizePalette <= NB_RESERVED_COLORS)
|
|
return;
|
|
while (i*i*i < (X11DRV_DevCaps.sizePalette - NB_RESERVED_COLORS)) i++;
|
|
no_r = no_g = no_b = --i;
|
|
if ((no_r * (no_g+1) * no_b) < (X11DRV_DevCaps.sizePalette - NB_RESERVED_COLORS)) no_g++;
|
|
if ((no_r * no_g * (no_b+1)) < (X11DRV_DevCaps.sizePalette - NB_RESERVED_COLORS)) no_b++;
|
|
inc_r = (255 - NB_COLORCUBE_START_INDEX)/no_r;
|
|
inc_g = (255 - NB_COLORCUBE_START_INDEX)/no_g;
|
|
inc_b = (255 - NB_COLORCUBE_START_INDEX)/no_b;
|
|
|
|
idx = X11DRV_PALETTE_firstFree;
|
|
|
|
if( idx != -1 )
|
|
for (blue = NB_COLORCUBE_START_INDEX; blue < 256 && idx; blue += inc_b )
|
|
for (green = NB_COLORCUBE_START_INDEX; green < 256 && idx; green += inc_g )
|
|
for (red = NB_COLORCUBE_START_INDEX; red < 256 && idx; red += inc_r )
|
|
{
|
|
/* weird but true */
|
|
|
|
if( red == NB_COLORCUBE_START_INDEX && green == red && blue == green ) continue;
|
|
|
|
COLOR_sysPal[idx].peRed = red;
|
|
COLOR_sysPal[idx].peGreen = green;
|
|
COLOR_sysPal[idx].peBlue = blue;
|
|
|
|
/* set X color */
|
|
|
|
if( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
|
|
{
|
|
if (X11DRV_PALETTE_Redmax != 255) no_r = (red * X11DRV_PALETTE_Redmax) / 255;
|
|
if (X11DRV_PALETTE_Greenmax != 255) no_g = (green * X11DRV_PALETTE_Greenmax) / 255;
|
|
if (X11DRV_PALETTE_Bluemax != 255) no_b = (blue * X11DRV_PALETTE_Bluemax) / 255;
|
|
|
|
X11DRV_PALETTE_PaletteToXPixel[idx] = (no_r << X11DRV_PALETTE_Redshift) | (no_g << X11DRV_PALETTE_Greenshift) | (no_b << X11DRV_PALETTE_Blueshift);
|
|
}
|
|
else if( !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
|
|
{
|
|
XColor color;
|
|
color.pixel = (X11DRV_PALETTE_PaletteToXPixel)? X11DRV_PALETTE_PaletteToXPixel[idx] : idx;
|
|
color.red = COLOR_sysPal[idx].peRed << 8;
|
|
color.green = COLOR_sysPal[idx].peGreen << 8;
|
|
color.blue = COLOR_sysPal[idx].peBlue << 8;
|
|
color.flags = DoRed | DoGreen | DoBlue;
|
|
TSXStoreColor(display, X11DRV_PALETTE_PaletteXColormap, &color);
|
|
}
|
|
idx = X11DRV_PALETTE_freeList[idx];
|
|
}
|
|
|
|
/* try to fill some entries in the "gap" with
|
|
* what's already in the colormap - they will be
|
|
* mappable to but not changeable. */
|
|
|
|
if( COLOR_gapStart < COLOR_gapEnd && X11DRV_PALETTE_XPixelToPalette )
|
|
{
|
|
XColor xc;
|
|
int r, g, b, max;
|
|
|
|
max = COLOR_max - (256 - (COLOR_gapEnd - COLOR_gapStart));
|
|
for ( i = 0, idx = COLOR_gapStart; i < 256 && idx <= COLOR_gapEnd; i++ )
|
|
if( X11DRV_PALETTE_XPixelToPalette[i] == 0 )
|
|
{
|
|
xc.pixel = i;
|
|
|
|
TSXQueryColor(display, X11DRV_PALETTE_PaletteXColormap, &xc);
|
|
r = xc.red>>8; g = xc.green>>8; b = xc.blue>>8;
|
|
|
|
if( xc.pixel < 256 && X11DRV_PALETTE_CheckSysColor(RGB(r, g, b)) &&
|
|
TSXAllocColor(display, X11DRV_PALETTE_PaletteXColormap, &xc) )
|
|
{
|
|
X11DRV_PALETTE_XPixelToPalette[xc.pixel] = idx;
|
|
X11DRV_PALETTE_PaletteToXPixel[idx] = xc.pixel;
|
|
*(COLORREF*)(COLOR_sysPal + idx) = RGB(r, g, b);
|
|
COLOR_sysPal[idx++].peFlags |= PC_SYS_USED;
|
|
if( --max <= 0 ) break;
|
|
}
|
|
}
|
|
COLOR_gapFilled = idx - COLOR_gapStart;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_ToLogical
|
|
*
|
|
* Return RGB color for given X pixel.
|
|
*/
|
|
COLORREF X11DRV_PALETTE_ToLogical(int pixel)
|
|
{
|
|
XColor color;
|
|
|
|
#if 0
|
|
/* truecolor visual */
|
|
|
|
if (X11DRV_GetDepth() >= 24) return pixel;
|
|
#endif
|
|
|
|
/* check for hicolor visuals first */
|
|
|
|
if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED && !X11DRV_PALETTE_Graymax )
|
|
{
|
|
color.red = (pixel >> X11DRV_PALETTE_Redshift) & X11DRV_PALETTE_Redmax;
|
|
color.green = (pixel >> X11DRV_PALETTE_Greenshift) & X11DRV_PALETTE_Greenmax;
|
|
color.blue = (pixel >> X11DRV_PALETTE_Blueshift) & X11DRV_PALETTE_Bluemax;
|
|
return RGB(MulDiv(color.red, 255, X11DRV_PALETTE_Redmax),
|
|
MulDiv(color.green, 255, X11DRV_PALETTE_Greenmax),
|
|
MulDiv(color.blue, 255, X11DRV_PALETTE_Bluemax));
|
|
}
|
|
|
|
/* check if we can bypass X */
|
|
|
|
if ((X11DRV_GetDepth() <= 8) && (pixel < 256) &&
|
|
!(X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_VIRTUAL | X11DRV_PALETTE_FIXED)) )
|
|
return ( *(COLORREF*)(COLOR_sysPal +
|
|
((X11DRV_PALETTE_XPixelToPalette)?X11DRV_PALETTE_XPixelToPalette[pixel]:pixel)) ) & 0x00ffffff;
|
|
|
|
color.pixel = pixel;
|
|
TSXQueryColor(display, X11DRV_PALETTE_PaletteXColormap, &color);
|
|
return RGB(color.red >> 8, color.green >> 8, color.blue >> 8);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_ToPhysical
|
|
*
|
|
* Return the physical color closest to 'color'.
|
|
*/
|
|
int X11DRV_PALETTE_ToPhysical( DC *dc, COLORREF color )
|
|
{
|
|
WORD index = 0;
|
|
HPALETTE16 hPal = (dc)? dc->hPalette: GetStockObject(DEFAULT_PALETTE);
|
|
unsigned char spec_type = color >> 24;
|
|
PALETTEOBJ* palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
|
|
|
|
/* palPtr can be NULL when DC is being destroyed */
|
|
if( !palPtr ) return 0;
|
|
|
|
if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED )
|
|
{
|
|
/* there is no colormap limitation; we are going to have to compute
|
|
* the pixel value from the visual information stored earlier
|
|
*/
|
|
|
|
unsigned long red, green, blue;
|
|
unsigned idx = 0;
|
|
|
|
switch(spec_type)
|
|
{
|
|
case 1: /* PALETTEINDEX */
|
|
|
|
if( (idx = color & 0xffff) >= palPtr->logpalette.palNumEntries)
|
|
{
|
|
WARN("RGB(%lx) : idx %d is out of bounds, assuming black\n", color, idx);
|
|
GDI_ReleaseObj( hPal );
|
|
return 0;
|
|
}
|
|
|
|
if( palPtr->mapping )
|
|
{
|
|
int ret = palPtr->mapping[idx];
|
|
GDI_ReleaseObj( hPal );
|
|
return ret;
|
|
}
|
|
color = *(COLORREF*)(palPtr->logpalette.palPalEntry + idx);
|
|
break;
|
|
|
|
default:
|
|
color &= 0xffffff;
|
|
/* fall through to RGB */
|
|
|
|
case 0: /* RGB */
|
|
if( dc && (dc->bitsPerPixel == 1) )
|
|
{
|
|
GDI_ReleaseObj( hPal );
|
|
return (((color >> 16) & 0xff) +
|
|
((color >> 8) & 0xff) + (color & 0xff) > 255*3/2) ? 1 : 0;
|
|
}
|
|
|
|
}
|
|
|
|
red = GetRValue(color); green = GetGValue(color); blue = GetBValue(color);
|
|
|
|
if (X11DRV_PALETTE_Graymax)
|
|
{
|
|
/* grayscale only; return scaled value */
|
|
GDI_ReleaseObj( hPal );
|
|
return ( (red * 30 + green * 69 + blue * 11) * X11DRV_PALETTE_Graymax) / 25500;
|
|
}
|
|
else
|
|
{
|
|
/* scale each individually and construct the TrueColor pixel value */
|
|
if (X11DRV_PALETTE_Redmax != 255)
|
|
red = MulDiv(red, X11DRV_PALETTE_Redmax, 255);
|
|
if (X11DRV_PALETTE_Greenmax != 255)
|
|
green = MulDiv(green, X11DRV_PALETTE_Greenmax, 255);
|
|
if (X11DRV_PALETTE_Bluemax != 255)
|
|
blue = MulDiv(blue, X11DRV_PALETTE_Bluemax, 255);
|
|
|
|
GDI_ReleaseObj( hPal );
|
|
return (red << X11DRV_PALETTE_Redshift) | (green << X11DRV_PALETTE_Greenshift) | (blue << X11DRV_PALETTE_Blueshift);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
|
|
if( !palPtr->mapping )
|
|
WARN("Palette %04x is not realized\n", dc->hPalette);
|
|
|
|
switch(spec_type) /* we have to peruse DC and system palette */
|
|
{
|
|
default:
|
|
color &= 0xffffff;
|
|
/* fall through to RGB */
|
|
|
|
case 0: /* RGB */
|
|
if( dc && (dc->bitsPerPixel == 1) )
|
|
{
|
|
GDI_ReleaseObj( hPal );
|
|
return (((color >> 16) & 0xff) +
|
|
((color >> 8) & 0xff) + (color & 0xff) > 255*3/2) ? 1 : 0;
|
|
}
|
|
|
|
index = COLOR_PaletteLookupPixel( COLOR_sysPal, 256,
|
|
X11DRV_PALETTE_PaletteToXPixel, color, FALSE);
|
|
|
|
/* TRACE(palette,"RGB(%lx) -> pixel %i\n", color, index);
|
|
*/
|
|
break;
|
|
case 1: /* PALETTEINDEX */
|
|
index = color & 0xffff;
|
|
|
|
if( index >= palPtr->logpalette.palNumEntries )
|
|
WARN("RGB(%lx) : index %i is out of bounds\n", color, index);
|
|
else if( palPtr->mapping ) index = palPtr->mapping[index];
|
|
|
|
/* TRACE(palette,"PALETTEINDEX(%04x) -> pixel %i\n", (WORD)color, index);
|
|
*/
|
|
break;
|
|
case 2: /* PALETTERGB */
|
|
index = COLOR_PaletteLookupPixel( palPtr->logpalette.palPalEntry,
|
|
palPtr->logpalette.palNumEntries,
|
|
palPtr->mapping, color, FALSE);
|
|
/* TRACE(palette,"PALETTERGB(%lx) -> pixel %i\n", color, index);
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
|
|
GDI_ReleaseObj( hPal );
|
|
return index;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_LookupSystemXPixel
|
|
*/
|
|
static int X11DRV_PALETTE_LookupSystemXPixel(COLORREF col)
|
|
{
|
|
int i, best = 0, diff = 0x7fffffff;
|
|
int size = X11DRV_DevCaps.sizePalette;
|
|
int r,g,b;
|
|
|
|
for( i = 0; i < size && diff ; i++ )
|
|
{
|
|
if( i == NB_RESERVED_COLORS/2 )
|
|
{
|
|
int newi = size - NB_RESERVED_COLORS/2;
|
|
if (newi>i) i=newi;
|
|
}
|
|
|
|
r = COLOR_sysPal[i].peRed - GetRValue(col);
|
|
g = COLOR_sysPal[i].peGreen - GetGValue(col);
|
|
b = COLOR_sysPal[i].peBlue - GetBValue(col);
|
|
|
|
r = r*r + g*g + b*b;
|
|
|
|
if( r < diff ) { best = i; diff = r; }
|
|
}
|
|
|
|
return (X11DRV_PALETTE_PaletteToXPixel)? X11DRV_PALETTE_PaletteToXPixel[best] : best;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_FormatSystemPalette
|
|
*/
|
|
static void X11DRV_PALETTE_FormatSystemPalette(void)
|
|
{
|
|
/* Build free list so we'd have an easy way to find
|
|
* out if there are any available colorcells.
|
|
*/
|
|
|
|
int i, j = X11DRV_PALETTE_firstFree = NB_RESERVED_COLORS/2;
|
|
|
|
COLOR_sysPal[j].peFlags = 0;
|
|
for( i = NB_RESERVED_COLORS/2 + 1 ; i < 256 - NB_RESERVED_COLORS/2 ; i++ )
|
|
if( i < COLOR_gapStart || i > COLOR_gapEnd )
|
|
{
|
|
COLOR_sysPal[i].peFlags = 0; /* unused tag */
|
|
X11DRV_PALETTE_freeList[j] = i; /* next */
|
|
j = i;
|
|
}
|
|
X11DRV_PALETTE_freeList[j] = 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_CheckSysColor
|
|
*/
|
|
static BOOL X11DRV_PALETTE_CheckSysColor(COLORREF c)
|
|
{
|
|
int i;
|
|
for( i = 0; i < NB_RESERVED_COLORS; i++ )
|
|
if( c == (*(COLORREF*)(COLOR_sysPalTemplate + i) & 0x00ffffff) )
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_SetMapping
|
|
*
|
|
* Set the color-mapping table for selected palette.
|
|
* Return number of entries which mapping has changed.
|
|
*/
|
|
int X11DRV_PALETTE_SetMapping( PALETTEOBJ* palPtr, UINT uStart, UINT uNum, BOOL mapOnly )
|
|
{
|
|
char flag;
|
|
int prevMapping = (palPtr->mapping) ? 1 : 0;
|
|
int index, iRemapped = 0;
|
|
int* mapping;
|
|
|
|
/* reset dynamic system palette entries */
|
|
|
|
if( !mapOnly && X11DRV_PALETTE_firstFree != -1)
|
|
X11DRV_PALETTE_FormatSystemPalette();
|
|
|
|
/* initialize palette mapping table */
|
|
|
|
mapping = HeapReAlloc( GetProcessHeap(), 0, palPtr->mapping,
|
|
sizeof(int)*palPtr->logpalette.palNumEntries);
|
|
if(mapping == NULL) {
|
|
ERR("Can not allocate new mapping -- memory exausted!");
|
|
return 0;
|
|
}
|
|
palPtr->mapping = mapping;
|
|
|
|
for( uNum += uStart; uStart < uNum; uStart++ )
|
|
{
|
|
index = -1;
|
|
flag = PC_SYS_USED;
|
|
|
|
switch( palPtr->logpalette.palPalEntry[uStart].peFlags & 0x07 )
|
|
{
|
|
case PC_EXPLICIT: /* palette entries are indices into system palette */
|
|
index = *(WORD*)(palPtr->logpalette.palPalEntry + uStart);
|
|
if( index > 255 || (index >= COLOR_gapStart && index <= COLOR_gapEnd) )
|
|
{
|
|
WARN("PC_EXPLICIT: idx %d out of system palette, assuming black.\n", index);
|
|
index = 0;
|
|
}
|
|
break;
|
|
|
|
case PC_RESERVED: /* forbid future mappings to this entry */
|
|
flag |= PC_SYS_RESERVED;
|
|
|
|
/* fall through */
|
|
default: /* try to collapse identical colors */
|
|
index = COLOR_PaletteLookupExactIndex(COLOR_sysPal, 256,
|
|
*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart));
|
|
/* fall through */
|
|
case PC_NOCOLLAPSE:
|
|
if( index < 0 )
|
|
{
|
|
if( X11DRV_PALETTE_firstFree > 0 && !(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_FIXED) )
|
|
{
|
|
XColor color;
|
|
index = X11DRV_PALETTE_firstFree; /* ought to be available */
|
|
X11DRV_PALETTE_firstFree = X11DRV_PALETTE_freeList[index];
|
|
|
|
color.pixel = (X11DRV_PALETTE_PaletteToXPixel) ? X11DRV_PALETTE_PaletteToXPixel[index] : index;
|
|
color.red = palPtr->logpalette.palPalEntry[uStart].peRed << 8;
|
|
color.green = palPtr->logpalette.palPalEntry[uStart].peGreen << 8;
|
|
color.blue = palPtr->logpalette.palPalEntry[uStart].peBlue << 8;
|
|
color.flags = DoRed | DoGreen | DoBlue;
|
|
TSXStoreColor(display, X11DRV_PALETTE_PaletteXColormap, &color);
|
|
|
|
COLOR_sysPal[index] = palPtr->logpalette.palPalEntry[uStart];
|
|
COLOR_sysPal[index].peFlags = flag;
|
|
X11DRV_PALETTE_freeList[index] = 0;
|
|
|
|
if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
|
|
break;
|
|
}
|
|
else if ( X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL )
|
|
{
|
|
index = X11DRV_PALETTE_ToPhysical( NULL, 0x00ffffff &
|
|
*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart));
|
|
break;
|
|
}
|
|
|
|
/* we have to map to existing entry in the system palette */
|
|
|
|
index = COLOR_PaletteLookupPixel(COLOR_sysPal, 256, NULL,
|
|
*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart), TRUE);
|
|
}
|
|
palPtr->logpalette.palPalEntry[uStart].peFlags |= PC_SYS_USED;
|
|
|
|
if( X11DRV_PALETTE_PaletteToXPixel ) index = X11DRV_PALETTE_PaletteToXPixel[index];
|
|
break;
|
|
}
|
|
|
|
if( !prevMapping || palPtr->mapping[uStart] != index ) iRemapped++;
|
|
palPtr->mapping[uStart] = index;
|
|
|
|
TRACE("entry %i (%lx) -> pixel %i\n", uStart,
|
|
*(COLORREF*)(palPtr->logpalette.palPalEntry + uStart), index);
|
|
|
|
}
|
|
return iRemapped;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PALETTE_UpdateMapping
|
|
*
|
|
* Update the color-mapping table for selected palette.
|
|
* Return number of entries which mapping has changed.
|
|
*/
|
|
int X11DRV_PALETTE_UpdateMapping(PALETTEOBJ *palPtr)
|
|
{
|
|
int i, index, realized = 0;
|
|
|
|
if (!X11DRV_DevCaps.sizePalette)
|
|
return 0;
|
|
|
|
for( i = 0; i < 20; i++ )
|
|
{
|
|
index = X11DRV_PALETTE_LookupSystemXPixel(*(COLORREF*)(palPtr->logpalette.palPalEntry + i));
|
|
|
|
/* mapping is allocated in COLOR_InitPalette() */
|
|
|
|
if( index != palPtr->mapping[i] ) { palPtr->mapping[i]=index; realized++; }
|
|
}
|
|
|
|
return realized;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* X11DRV_PALETTE_IsDark
|
|
*/
|
|
BOOL X11DRV_PALETTE_IsDark(int pixel)
|
|
{
|
|
COLORREF col = X11DRV_PALETTE_ToLogical(pixel);
|
|
return (GetRValue(col) + GetGValue(col) + GetBValue(col)) <= 0x180;
|
|
}
|
|
|