375 lines
8.8 KiB
C
375 lines
8.8 KiB
C
/*
|
|
Copyright (C) 1997-2001 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
/*
|
|
** RW_DIB.C
|
|
**
|
|
** This handles DIB section management under Windows.
|
|
**
|
|
*/
|
|
#include "..\ref_soft\r_local.h"
|
|
#include "rw_win.h"
|
|
|
|
#ifndef _WIN32
|
|
# error You should not be trying to compile this file on this platform
|
|
#endif
|
|
|
|
static qboolean s_systemcolors_saved;
|
|
|
|
static HGDIOBJ previously_selected_GDI_obj;
|
|
|
|
static int s_syspalindices[] =
|
|
{
|
|
COLOR_ACTIVEBORDER,
|
|
COLOR_ACTIVECAPTION,
|
|
COLOR_APPWORKSPACE,
|
|
COLOR_BACKGROUND,
|
|
COLOR_BTNFACE,
|
|
COLOR_BTNSHADOW,
|
|
COLOR_BTNTEXT,
|
|
COLOR_CAPTIONTEXT,
|
|
COLOR_GRAYTEXT,
|
|
COLOR_HIGHLIGHT,
|
|
COLOR_HIGHLIGHTTEXT,
|
|
COLOR_INACTIVEBORDER,
|
|
|
|
COLOR_INACTIVECAPTION,
|
|
COLOR_MENU,
|
|
COLOR_MENUTEXT,
|
|
COLOR_SCROLLBAR,
|
|
COLOR_WINDOW,
|
|
COLOR_WINDOWFRAME,
|
|
COLOR_WINDOWTEXT
|
|
};
|
|
|
|
#define NUM_SYS_COLORS ( sizeof( s_syspalindices ) / sizeof( int ) )
|
|
|
|
static int s_oldsyscolors[NUM_SYS_COLORS];
|
|
|
|
typedef struct dibinfo
|
|
{
|
|
BITMAPINFOHEADER header;
|
|
RGBQUAD acolors[256];
|
|
} dibinfo_t;
|
|
|
|
typedef struct
|
|
{
|
|
WORD palVersion;
|
|
WORD palNumEntries;
|
|
PALETTEENTRY palEntries[256];
|
|
} identitypalette_t;
|
|
|
|
static identitypalette_t s_ipal;
|
|
|
|
static void DIB_SaveSystemColors( void );
|
|
static void DIB_RestoreSystemColors( void );
|
|
|
|
/*
|
|
** DIB_Init
|
|
**
|
|
** Builds our DIB section
|
|
*/
|
|
qboolean DIB_Init( unsigned char **ppbuffer, int *ppitch )
|
|
{
|
|
dibinfo_t dibheader;
|
|
BITMAPINFO *pbmiDIB = ( BITMAPINFO * ) &dibheader;
|
|
int i;
|
|
|
|
memset( &dibheader, 0, sizeof( dibheader ) );
|
|
|
|
/*
|
|
** grab a DC
|
|
*/
|
|
if ( !sww_state.hDC )
|
|
{
|
|
if ( ( sww_state.hDC = GetDC( sww_state.hWnd ) ) == NULL )
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
** figure out if we're running in an 8-bit display mode
|
|
*/
|
|
if ( GetDeviceCaps( sww_state.hDC, RASTERCAPS ) & RC_PALETTE )
|
|
{
|
|
sww_state.palettized = true;
|
|
|
|
// save system colors
|
|
if ( !s_systemcolors_saved )
|
|
{
|
|
DIB_SaveSystemColors();
|
|
s_systemcolors_saved = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sww_state.palettized = false;
|
|
}
|
|
|
|
/*
|
|
** fill in the BITMAPINFO struct
|
|
*/
|
|
pbmiDIB->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
|
|
pbmiDIB->bmiHeader.biWidth = vid.width;
|
|
pbmiDIB->bmiHeader.biHeight = vid.height;
|
|
pbmiDIB->bmiHeader.biPlanes = 1;
|
|
pbmiDIB->bmiHeader.biBitCount = 8;
|
|
pbmiDIB->bmiHeader.biCompression = BI_RGB;
|
|
pbmiDIB->bmiHeader.biSizeImage = 0;
|
|
pbmiDIB->bmiHeader.biXPelsPerMeter = 0;
|
|
pbmiDIB->bmiHeader.biYPelsPerMeter = 0;
|
|
pbmiDIB->bmiHeader.biClrUsed = 256;
|
|
pbmiDIB->bmiHeader.biClrImportant = 256;
|
|
|
|
/*
|
|
** fill in the palette
|
|
*/
|
|
for ( i = 0; i < 256; i++ )
|
|
{
|
|
dibheader.acolors[i].rgbRed = ( d_8to24table[i] >> 0 ) & 0xff;
|
|
dibheader.acolors[i].rgbGreen = ( d_8to24table[i] >> 8 ) & 0xff;
|
|
dibheader.acolors[i].rgbBlue = ( d_8to24table[i] >> 16 ) & 0xff;
|
|
}
|
|
|
|
/*
|
|
** create the DIB section
|
|
*/
|
|
sww_state.hDIBSection = CreateDIBSection( sww_state.hDC,
|
|
pbmiDIB,
|
|
DIB_RGB_COLORS,
|
|
&sww_state.pDIBBase,
|
|
NULL,
|
|
0 );
|
|
|
|
if ( sww_state.hDIBSection == NULL )
|
|
{
|
|
ri.Con_Printf( PRINT_ALL, "DIB_Init() - CreateDIBSection failed\n" );
|
|
goto fail;
|
|
}
|
|
|
|
if ( pbmiDIB->bmiHeader.biHeight > 0 )
|
|
{
|
|
// bottom up
|
|
*ppbuffer = sww_state.pDIBBase + ( vid.height - 1 ) * vid.width;
|
|
*ppitch = -vid.width;
|
|
}
|
|
else
|
|
{
|
|
// top down
|
|
*ppbuffer = sww_state.pDIBBase;
|
|
*ppitch = vid.width;
|
|
}
|
|
|
|
/*
|
|
** clear the DIB memory buffer
|
|
*/
|
|
memset( sww_state.pDIBBase, 0xff, vid.width * vid.height );
|
|
|
|
if ( ( sww_state.hdcDIBSection = CreateCompatibleDC( sww_state.hDC ) ) == NULL )
|
|
{
|
|
ri.Con_Printf( PRINT_ALL, "DIB_Init() - CreateCompatibleDC failed\n" );
|
|
goto fail;
|
|
}
|
|
if ( ( previously_selected_GDI_obj = SelectObject( sww_state.hdcDIBSection, sww_state.hDIBSection ) ) == NULL )
|
|
{
|
|
ri.Con_Printf( PRINT_ALL, "DIB_Init() - SelectObject failed\n" );
|
|
goto fail;
|
|
}
|
|
|
|
return true;
|
|
|
|
fail:
|
|
DIB_Shutdown();
|
|
return false;
|
|
|
|
}
|
|
|
|
/*
|
|
** DIB_SetPalette
|
|
**
|
|
** Sets the color table in our DIB section, and also sets the system palette
|
|
** into an identity mode if we're running in an 8-bit palettized display mode.
|
|
**
|
|
** The palette is expected to be 1024 bytes, in the format:
|
|
**
|
|
** R = offset 0
|
|
** G = offset 1
|
|
** B = offset 2
|
|
** A = offset 3
|
|
*/
|
|
void DIB_SetPalette( const unsigned char *_pal )
|
|
{
|
|
const unsigned char *pal = _pal;
|
|
LOGPALETTE *pLogPal = ( LOGPALETTE * ) &s_ipal;
|
|
RGBQUAD colors[256];
|
|
int i;
|
|
int ret;
|
|
HDC hDC = sww_state.hDC;
|
|
|
|
/*
|
|
** set the DIB color table
|
|
*/
|
|
if ( sww_state.hdcDIBSection )
|
|
{
|
|
for ( i = 0; i < 256; i++, pal += 4 )
|
|
{
|
|
colors[i].rgbRed = pal[0];
|
|
colors[i].rgbGreen = pal[1];
|
|
colors[i].rgbBlue = pal[2];
|
|
colors[i].rgbReserved = 0;
|
|
}
|
|
|
|
colors[0].rgbRed = 0;
|
|
colors[0].rgbGreen = 0;
|
|
colors[0].rgbBlue = 0;
|
|
|
|
colors[255].rgbRed = 0xff;
|
|
colors[255].rgbGreen = 0xff;
|
|
colors[255].rgbBlue = 0xff;
|
|
|
|
if ( SetDIBColorTable( sww_state.hdcDIBSection, 0, 256, colors ) == 0 )
|
|
{
|
|
ri.Con_Printf( PRINT_ALL, "DIB_SetPalette() - SetDIBColorTable failed\n" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
** for 8-bit color desktop modes we set up the palette for maximum
|
|
** speed by going into an identity palette mode.
|
|
*/
|
|
if ( sww_state.palettized )
|
|
{
|
|
int i;
|
|
HPALETTE hpalOld;
|
|
|
|
if ( SetSystemPaletteUse( hDC, SYSPAL_NOSTATIC ) == SYSPAL_ERROR )
|
|
{
|
|
ri.Sys_Error( ERR_FATAL, "DIB_SetPalette() - SetSystemPaletteUse() failed\n" );
|
|
}
|
|
|
|
/*
|
|
** destroy our old palette
|
|
*/
|
|
if ( sww_state.hPal )
|
|
{
|
|
DeleteObject( sww_state.hPal );
|
|
sww_state.hPal = 0;
|
|
}
|
|
|
|
/*
|
|
** take up all physical palette entries to flush out anything that's currently
|
|
** in the palette
|
|
*/
|
|
pLogPal->palVersion = 0x300;
|
|
pLogPal->palNumEntries = 256;
|
|
|
|
for ( i = 0, pal = _pal; i < 256; i++, pal += 4 )
|
|
{
|
|
pLogPal->palPalEntry[i].peRed = pal[0];
|
|
pLogPal->palPalEntry[i].peGreen = pal[1];
|
|
pLogPal->palPalEntry[i].peBlue = pal[2];
|
|
pLogPal->palPalEntry[i].peFlags = PC_RESERVED | PC_NOCOLLAPSE;
|
|
}
|
|
pLogPal->palPalEntry[0].peRed = 0;
|
|
pLogPal->palPalEntry[0].peGreen = 0;
|
|
pLogPal->palPalEntry[0].peBlue = 0;
|
|
pLogPal->palPalEntry[0].peFlags = 0;
|
|
pLogPal->palPalEntry[255].peRed = 0xff;
|
|
pLogPal->palPalEntry[255].peGreen = 0xff;
|
|
pLogPal->palPalEntry[255].peBlue = 0xff;
|
|
pLogPal->palPalEntry[255].peFlags = 0;
|
|
|
|
if ( ( sww_state.hPal = CreatePalette( pLogPal ) ) == NULL )
|
|
{
|
|
ri.Sys_Error( ERR_FATAL, "DIB_SetPalette() - CreatePalette failed(%x)\n", GetLastError() );
|
|
}
|
|
|
|
if ( ( hpalOld = SelectPalette( hDC, sww_state.hPal, FALSE ) ) == NULL )
|
|
{
|
|
ri.Sys_Error( ERR_FATAL, "DIB_SetPalette() - SelectPalette failed(%x)\n",GetLastError() );
|
|
}
|
|
|
|
if ( sww_state.hpalOld == NULL )
|
|
sww_state.hpalOld = hpalOld;
|
|
|
|
if ( ( ret = RealizePalette( hDC ) ) != pLogPal->palNumEntries )
|
|
{
|
|
ri.Sys_Error( ERR_FATAL, "DIB_SetPalette() - RealizePalette set %d entries\n", ret );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** DIB_Shutdown
|
|
*/
|
|
void DIB_Shutdown( void )
|
|
{
|
|
if ( sww_state.palettized && s_systemcolors_saved )
|
|
DIB_RestoreSystemColors();
|
|
|
|
if ( sww_state.hPal )
|
|
{
|
|
DeleteObject( sww_state.hPal );
|
|
sww_state.hPal = 0;
|
|
}
|
|
|
|
if ( sww_state.hpalOld )
|
|
{
|
|
SelectPalette( sww_state.hDC, sww_state.hpalOld, FALSE );
|
|
RealizePalette( sww_state.hDC );
|
|
sww_state.hpalOld = NULL;
|
|
}
|
|
|
|
if ( sww_state.hdcDIBSection )
|
|
{
|
|
SelectObject( sww_state.hdcDIBSection, previously_selected_GDI_obj );
|
|
DeleteDC( sww_state.hdcDIBSection );
|
|
sww_state.hdcDIBSection = NULL;
|
|
}
|
|
|
|
if ( sww_state.hDIBSection )
|
|
{
|
|
DeleteObject( sww_state.hDIBSection );
|
|
sww_state.hDIBSection = NULL;
|
|
sww_state.pDIBBase = NULL;
|
|
}
|
|
|
|
if ( sww_state.hDC )
|
|
{
|
|
ReleaseDC( sww_state.hWnd, sww_state.hDC );
|
|
sww_state.hDC = 0;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
** DIB_Save/RestoreSystemColors
|
|
*/
|
|
static void DIB_RestoreSystemColors( void )
|
|
{
|
|
SetSystemPaletteUse( sww_state.hDC, SYSPAL_STATIC );
|
|
SetSysColors( NUM_SYS_COLORS, s_syspalindices, s_oldsyscolors );
|
|
}
|
|
|
|
static void DIB_SaveSystemColors( void )
|
|
{
|
|
int i;
|
|
|
|
for ( i = 0; i < NUM_SYS_COLORS; i++ )
|
|
s_oldsyscolors[i] = GetSysColor( s_syspalindices[i] );
|
|
}
|