mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-31 08:49:15 +00:00
899 lines
26 KiB
C
899 lines
26 KiB
C
/*
|
|
* GDI palette objects
|
|
*
|
|
* Copyright 1993,1994 Alexandre Julliard
|
|
* Copyright 1996 Alex Korobka
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* NOTES:
|
|
* PALETTEOBJ is documented in the Dr. Dobbs Journal May 1993.
|
|
* Information in the "Undocumented Windows" is incorrect.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "wownt32.h"
|
|
#include "wine/winuser16.h"
|
|
#include "gdi.h"
|
|
#include "palette.h"
|
|
#include "wine/debug.h"
|
|
#include "winerror.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(palette);
|
|
|
|
static INT PALETTE_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
|
|
static BOOL PALETTE_UnrealizeObject( HGDIOBJ handle, void *obj );
|
|
static BOOL PALETTE_DeleteObject( HGDIOBJ handle, void *obj );
|
|
|
|
static const struct gdi_obj_funcs palette_funcs =
|
|
{
|
|
NULL, /* pSelectObject */
|
|
PALETTE_GetObject, /* pGetObject16 */
|
|
PALETTE_GetObject, /* pGetObjectA */
|
|
PALETTE_GetObject, /* pGetObjectW */
|
|
PALETTE_UnrealizeObject, /* pUnrealizeObject */
|
|
PALETTE_DeleteObject /* pDeleteObject */
|
|
};
|
|
|
|
/* Pointers to USER implementation of SelectPalette/RealizePalette */
|
|
/* they will be patched by USER on startup */
|
|
HPALETTE (WINAPI *pfnSelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd ) = GDISelectPalette;
|
|
UINT (WINAPI *pfnRealizePalette)(HDC hdc) = GDIRealizePalette;
|
|
|
|
static UINT SystemPaletteUse = SYSPAL_STATIC; /* currently not considered */
|
|
|
|
static HPALETTE hPrimaryPalette = 0; /* used for WM_PALETTECHANGED */
|
|
static HPALETTE hLastRealizedPalette = 0; /* UnrealizeObject() needs it */
|
|
static const DC_FUNCTIONS *pLastRealizedDC;
|
|
|
|
static const PALETTEENTRY sys_pal_template[NB_RESERVED_COLORS] =
|
|
{
|
|
/* first 10 entries in the system palette */
|
|
/* red green blue flags */
|
|
{ 0x00, 0x00, 0x00, 0 },
|
|
{ 0x80, 0x00, 0x00, 0 },
|
|
{ 0x00, 0x80, 0x00, 0 },
|
|
{ 0x80, 0x80, 0x00, 0 },
|
|
{ 0x00, 0x00, 0x80, 0 },
|
|
{ 0x80, 0x00, 0x80, 0 },
|
|
{ 0x00, 0x80, 0x80, 0 },
|
|
{ 0xc0, 0xc0, 0xc0, 0 },
|
|
{ 0xc0, 0xdc, 0xc0, 0 },
|
|
{ 0xa6, 0xca, 0xf0, 0 },
|
|
|
|
/* ... c_min/2 dynamic colorcells */
|
|
|
|
/* ... gap (for sparse palettes) */
|
|
|
|
/* ... c_min/2 dynamic colorcells */
|
|
|
|
{ 0xff, 0xfb, 0xf0, 0 },
|
|
{ 0xa0, 0xa0, 0xa4, 0 },
|
|
{ 0x80, 0x80, 0x80, 0 },
|
|
{ 0xff, 0x00, 0x00, 0 },
|
|
{ 0x00, 0xff, 0x00, 0 },
|
|
{ 0xff, 0xff, 0x00, 0 },
|
|
{ 0x00, 0x00, 0xff, 0 },
|
|
{ 0xff, 0x00, 0xff, 0 },
|
|
{ 0x00, 0xff, 0xff, 0 },
|
|
{ 0xff, 0xff, 0xff, 0 } /* last 10 */
|
|
};
|
|
|
|
/***********************************************************************
|
|
* PALETTE_Init
|
|
*
|
|
* Create the system palette.
|
|
*/
|
|
HPALETTE PALETTE_Init(void)
|
|
{
|
|
HPALETTE hpalette;
|
|
LOGPALETTE * palPtr;
|
|
PALETTEOBJ* palObj;
|
|
|
|
/* create default palette (20 system colors) */
|
|
|
|
palPtr = HeapAlloc( GetProcessHeap(), 0,
|
|
sizeof(LOGPALETTE) + (NB_RESERVED_COLORS-1)*sizeof(PALETTEENTRY));
|
|
if (!palPtr) return FALSE;
|
|
|
|
palPtr->palVersion = 0x300;
|
|
palPtr->palNumEntries = NB_RESERVED_COLORS;
|
|
memcpy( palPtr->palPalEntry, sys_pal_template, sizeof(sys_pal_template) );
|
|
hpalette = CreatePalette( palPtr );
|
|
HeapFree( GetProcessHeap(), 0, palPtr );
|
|
|
|
palObj = (PALETTEOBJ*) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
|
|
if (palObj)
|
|
{
|
|
if (!(palObj->mapping = HeapAlloc( GetProcessHeap(), 0, sizeof(int) * NB_RESERVED_COLORS )))
|
|
ERR("Can not create palette mapping -- out of memory!\n");
|
|
GDI_ReleaseObj( hpalette );
|
|
}
|
|
return hpalette;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PALETTE_ValidateFlags
|
|
*/
|
|
static void PALETTE_ValidateFlags(PALETTEENTRY* lpPalE, int size)
|
|
{
|
|
int i = 0;
|
|
for( ; i<size ; i++ )
|
|
lpPalE[i].peFlags = PC_SYS_USED | (lpPalE[i].peFlags & 0x07);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreatePalette [GDI32.@] Creates a logical color palette
|
|
*
|
|
* RETURNS
|
|
* Success: Handle to logical palette
|
|
* Failure: NULL
|
|
*/
|
|
HPALETTE WINAPI CreatePalette(
|
|
const LOGPALETTE* palette) /* [in] Pointer to logical color palette */
|
|
{
|
|
PALETTEOBJ * palettePtr;
|
|
HPALETTE hpalette;
|
|
int size;
|
|
|
|
if (!palette) return 0;
|
|
TRACE("entries=%i\n", palette->palNumEntries);
|
|
|
|
size = sizeof(LOGPALETTE) + (palette->palNumEntries - 1) * sizeof(PALETTEENTRY);
|
|
|
|
if (!(palettePtr = GDI_AllocObject( size + sizeof(int*) +sizeof(GDIOBJHDR),
|
|
PALETTE_MAGIC, (HGDIOBJ *)&hpalette,
|
|
&palette_funcs ))) return 0;
|
|
memcpy( &palettePtr->logpalette, palette, size );
|
|
PALETTE_ValidateFlags(palettePtr->logpalette.palPalEntry,
|
|
palettePtr->logpalette.palNumEntries);
|
|
palettePtr->mapping = NULL;
|
|
GDI_ReleaseObj( hpalette );
|
|
|
|
TRACE(" returning %p\n", hpalette);
|
|
return hpalette;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateHalftonePalette [GDI32.@] Creates a halftone palette
|
|
*
|
|
* RETURNS
|
|
* Success: Handle to logical halftone palette
|
|
* Failure: 0
|
|
*
|
|
* FIXME: This simply creates the halftone palette dirived from runing
|
|
* tests on an windows NT machine. this is assuming a color depth
|
|
* of greater that 256 color. On a 256 color device the halftone
|
|
* palette will be differnt and this funtion will be incorrect
|
|
*/
|
|
HPALETTE WINAPI CreateHalftonePalette(
|
|
HDC hdc) /* [in] Handle to device context */
|
|
{
|
|
int i;
|
|
struct {
|
|
WORD Version;
|
|
WORD NumberOfEntries;
|
|
PALETTEENTRY aEntries[256];
|
|
} Palette;
|
|
|
|
Palette.Version = 0x300;
|
|
Palette.NumberOfEntries = 256;
|
|
GetSystemPaletteEntries(hdc, 0, 256, Palette.aEntries);
|
|
|
|
Palette.NumberOfEntries = 20;
|
|
|
|
for (i = 0; i < Palette.NumberOfEntries; i++)
|
|
{
|
|
Palette.aEntries[i].peRed=0xff;
|
|
Palette.aEntries[i].peGreen=0xff;
|
|
Palette.aEntries[i].peBlue=0xff;
|
|
Palette.aEntries[i].peFlags=0x00;
|
|
}
|
|
|
|
Palette.aEntries[0].peRed=0x00;
|
|
Palette.aEntries[0].peBlue=0x00;
|
|
Palette.aEntries[0].peGreen=0x00;
|
|
|
|
/* the first 6 */
|
|
for (i=1; i <= 6; i++)
|
|
{
|
|
Palette.aEntries[i].peRed=(i%2)?0x80:0;
|
|
Palette.aEntries[i].peGreen=(i==2)?0x80:(i==3)?0x80:(i==6)?0x80:0;
|
|
Palette.aEntries[i].peBlue=(i>3)?0x80:0;
|
|
}
|
|
|
|
for (i=7; i <= 12; i++)
|
|
{
|
|
switch(i)
|
|
{
|
|
case 7:
|
|
Palette.aEntries[i].peRed=0xc0;
|
|
Palette.aEntries[i].peBlue=0xc0;
|
|
Palette.aEntries[i].peGreen=0xc0;
|
|
break;
|
|
case 8:
|
|
Palette.aEntries[i].peRed=0xc0;
|
|
Palette.aEntries[i].peGreen=0xdc;
|
|
Palette.aEntries[i].peBlue=0xc0;
|
|
break;
|
|
case 9:
|
|
Palette.aEntries[i].peRed=0xa6;
|
|
Palette.aEntries[i].peGreen=0xca;
|
|
Palette.aEntries[i].peBlue=0xf0;
|
|
break;
|
|
case 10:
|
|
Palette.aEntries[i].peRed=0xff;
|
|
Palette.aEntries[i].peGreen=0xfb;
|
|
Palette.aEntries[i].peBlue=0xf0;
|
|
break;
|
|
case 11:
|
|
Palette.aEntries[i].peRed=0xa0;
|
|
Palette.aEntries[i].peGreen=0xa0;
|
|
Palette.aEntries[i].peBlue=0xa4;
|
|
break;
|
|
case 12:
|
|
Palette.aEntries[i].peRed=0x80;
|
|
Palette.aEntries[i].peGreen=0x80;
|
|
Palette.aEntries[i].peBlue=0x80;
|
|
}
|
|
}
|
|
|
|
for (i=13; i <= 18; i++)
|
|
{
|
|
Palette.aEntries[i].peRed=(i%2)?0xff:0;
|
|
Palette.aEntries[i].peGreen=(i==14)?0xff:(i==15)?0xff:(i==18)?0xff:0;
|
|
Palette.aEntries[i].peBlue=(i>15)?0xff:0x00;
|
|
}
|
|
|
|
return CreatePalette((LOGPALETTE *)&Palette);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetPaletteEntries [GDI32.@] Retrieves palette entries
|
|
*
|
|
* RETURNS
|
|
* Success: Number of entries from logical palette
|
|
* Failure: 0
|
|
*/
|
|
UINT WINAPI GetPaletteEntries(
|
|
HPALETTE hpalette, /* [in] Handle of logical palette */
|
|
UINT start, /* [in] First entry to receive */
|
|
UINT count, /* [in] Number of entries to receive */
|
|
LPPALETTEENTRY entries) /* [out] Address of array receiving entries */
|
|
{
|
|
PALETTEOBJ * palPtr;
|
|
UINT numEntries;
|
|
|
|
TRACE("hpal = %p, count=%i\n", hpalette, count );
|
|
|
|
palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
|
|
if (!palPtr) return 0;
|
|
|
|
/* NOTE: not documented but test show this to be the case */
|
|
if (count == 0)
|
|
{
|
|
int rc = palPtr->logpalette.palNumEntries;
|
|
GDI_ReleaseObj( hpalette );
|
|
return rc;
|
|
}
|
|
|
|
numEntries = palPtr->logpalette.palNumEntries;
|
|
if (start+count > numEntries) count = numEntries - start;
|
|
if (entries)
|
|
{
|
|
if (start >= numEntries)
|
|
{
|
|
GDI_ReleaseObj( hpalette );
|
|
return 0;
|
|
}
|
|
memcpy( entries, &palPtr->logpalette.palPalEntry[start],
|
|
count * sizeof(PALETTEENTRY) );
|
|
for( numEntries = 0; numEntries < count ; numEntries++ )
|
|
if (entries[numEntries].peFlags & 0xF0)
|
|
entries[numEntries].peFlags = 0;
|
|
}
|
|
|
|
GDI_ReleaseObj( hpalette );
|
|
return count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetPaletteEntries [GDI32.@] Sets color values for range in palette
|
|
*
|
|
* RETURNS
|
|
* Success: Number of entries that were set
|
|
* Failure: 0
|
|
*/
|
|
UINT WINAPI SetPaletteEntries(
|
|
HPALETTE hpalette, /* [in] Handle of logical palette */
|
|
UINT start, /* [in] Index of first entry to set */
|
|
UINT count, /* [in] Number of entries to set */
|
|
const PALETTEENTRY *entries) /* [in] Address of array of structures */
|
|
{
|
|
PALETTEOBJ * palPtr;
|
|
UINT numEntries;
|
|
|
|
TRACE("hpal=%p,start=%i,count=%i\n",hpalette,start,count );
|
|
|
|
if (hpalette == GetStockObject(DEFAULT_PALETTE)) return 0;
|
|
palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
|
|
if (!palPtr) return 0;
|
|
|
|
numEntries = palPtr->logpalette.palNumEntries;
|
|
if (start >= numEntries)
|
|
{
|
|
GDI_ReleaseObj( hpalette );
|
|
return 0;
|
|
}
|
|
if (start+count > numEntries) count = numEntries - start;
|
|
memcpy( &palPtr->logpalette.palPalEntry[start], entries,
|
|
count * sizeof(PALETTEENTRY) );
|
|
PALETTE_ValidateFlags(palPtr->logpalette.palPalEntry,
|
|
palPtr->logpalette.palNumEntries);
|
|
UnrealizeObject( hpalette );
|
|
GDI_ReleaseObj( hpalette );
|
|
return count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ResizePalette [GDI32.@] Resizes logical palette
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI ResizePalette(
|
|
HPALETTE hPal, /* [in] Handle of logical palette */
|
|
UINT cEntries) /* [in] Number of entries in logical palette */
|
|
{
|
|
PALETTEOBJ * palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
|
|
UINT cPrevEnt, prevVer;
|
|
int prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY);
|
|
int* mapping = NULL;
|
|
|
|
TRACE("hpal = %p, prev = %i, new = %i\n",
|
|
hPal, palPtr ? palPtr->logpalette.palNumEntries : -1, cEntries );
|
|
if( !palPtr ) return FALSE;
|
|
cPrevEnt = palPtr->logpalette.palNumEntries;
|
|
prevVer = palPtr->logpalette.palVersion;
|
|
prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) +
|
|
sizeof(int*) + sizeof(GDIOBJHDR);
|
|
size += sizeof(int*) + sizeof(GDIOBJHDR);
|
|
mapping = palPtr->mapping;
|
|
|
|
if (!(palPtr = GDI_ReallocObject( size, hPal, palPtr ))) return FALSE;
|
|
|
|
if( mapping )
|
|
{
|
|
int *newMap = (int*) HeapReAlloc(GetProcessHeap(), 0,
|
|
mapping, cEntries * sizeof(int) );
|
|
if(newMap == NULL)
|
|
{
|
|
ERR("Can not resize mapping -- out of memory!\n");
|
|
GDI_ReleaseObj( hPal );
|
|
return FALSE;
|
|
}
|
|
palPtr->mapping = newMap;
|
|
}
|
|
|
|
if( cEntries > cPrevEnt )
|
|
{
|
|
if( mapping )
|
|
memset(palPtr->mapping + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int));
|
|
memset( (BYTE*)palPtr + prevsize, 0, size - prevsize );
|
|
PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize),
|
|
cEntries - cPrevEnt );
|
|
}
|
|
palPtr->logpalette.palNumEntries = cEntries;
|
|
palPtr->logpalette.palVersion = prevVer;
|
|
GDI_ReleaseObj( hPal );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* AnimatePalette [GDI32.@] Replaces entries in logical palette
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*
|
|
* FIXME
|
|
* Should use existing mapping when animating a primary palette
|
|
*/
|
|
BOOL WINAPI AnimatePalette(
|
|
HPALETTE hPal, /* [in] Handle to logical palette */
|
|
UINT StartIndex, /* [in] First entry in palette */
|
|
UINT NumEntries, /* [in] Count of entries in palette */
|
|
const PALETTEENTRY* PaletteColors) /* [in] Pointer to first replacement */
|
|
{
|
|
TRACE("%p (%i - %i)\n", hPal, StartIndex,StartIndex+NumEntries);
|
|
|
|
if( hPal != GetStockObject(DEFAULT_PALETTE) )
|
|
{
|
|
if (!SetPaletteEntries( hPal, StartIndex, NumEntries, PaletteColors )) return FALSE;
|
|
|
|
if (pLastRealizedDC && pLastRealizedDC->pRealizePalette)
|
|
pLastRealizedDC->pRealizePalette( NULL, hPal, hPal == hPrimaryPalette );
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetSystemPaletteUse [GDI32.@]
|
|
*
|
|
* RETURNS
|
|
* Success: Previous system palette
|
|
* Failure: SYSPAL_ERROR
|
|
*/
|
|
UINT WINAPI SetSystemPaletteUse(
|
|
HDC hdc, /* [in] Handle of device context */
|
|
UINT use) /* [in] Palette-usage flag */
|
|
{
|
|
UINT old = SystemPaletteUse;
|
|
|
|
/* Device doesn't support colour palettes */
|
|
if (!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)) {
|
|
return SYSPAL_ERROR;
|
|
}
|
|
|
|
switch (use) {
|
|
case SYSPAL_NOSTATIC:
|
|
case SYSPAL_NOSTATIC256: /* WINVER >= 0x0500 */
|
|
case SYSPAL_STATIC:
|
|
SystemPaletteUse = use;
|
|
return old;
|
|
default:
|
|
return SYSPAL_ERROR;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetSystemPaletteUse [GDI32.@] Gets state of system palette
|
|
*
|
|
* RETURNS
|
|
* Current state of system palette
|
|
*/
|
|
UINT WINAPI GetSystemPaletteUse(
|
|
HDC hdc) /* [in] Handle of device context */
|
|
{
|
|
return SystemPaletteUse;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetSystemPaletteEntries [GDI32.@] Gets range of palette entries
|
|
*
|
|
* RETURNS
|
|
* Success: Number of entries retrieved from palette
|
|
* Failure: 0
|
|
*/
|
|
UINT WINAPI GetSystemPaletteEntries(
|
|
HDC hdc, /* [in] Handle of device context */
|
|
UINT start, /* [in] Index of first entry to be retrieved */
|
|
UINT count, /* [in] Number of entries to be retrieved */
|
|
LPPALETTEENTRY entries) /* [out] Array receiving system-palette entries */
|
|
{
|
|
UINT ret = 0;
|
|
DC *dc;
|
|
|
|
TRACE("hdc=%p,start=%i,count=%i\n", hdc,start,count);
|
|
|
|
if ((dc = DC_GetDCPtr( hdc )))
|
|
{
|
|
if (dc->funcs->pGetSystemPaletteEntries)
|
|
ret = dc->funcs->pGetSystemPaletteEntries( dc->physDev, start, count, entries );
|
|
GDI_ReleaseObj( hdc );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNearestPaletteIndex [GDI32.@] Gets palette index for color
|
|
*
|
|
* NOTES
|
|
* Should index be initialized to CLR_INVALID instead of 0?
|
|
*
|
|
* RETURNS
|
|
* Success: Index of entry in logical palette
|
|
* Failure: CLR_INVALID
|
|
*/
|
|
UINT WINAPI GetNearestPaletteIndex(
|
|
HPALETTE hpalette, /* [in] Handle of logical color palette */
|
|
COLORREF color) /* [in] Color to be matched */
|
|
{
|
|
PALETTEOBJ* palObj = (PALETTEOBJ*)GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
|
|
UINT index = 0;
|
|
|
|
if( palObj )
|
|
{
|
|
int i, diff = 0x7fffffff;
|
|
int r,g,b;
|
|
PALETTEENTRY* entry = palObj->logpalette.palPalEntry;
|
|
|
|
for( i = 0; i < palObj->logpalette.palNumEntries && diff ; i++, entry++)
|
|
{
|
|
if (!(entry->peFlags & PC_SYS_USED)) continue;
|
|
|
|
r = entry->peRed - GetRValue(color);
|
|
g = entry->peGreen - GetGValue(color);
|
|
b = entry->peBlue - GetBValue(color);
|
|
|
|
r = r*r + g*g + b*b;
|
|
|
|
if( r < diff ) { index = i; diff = r; }
|
|
}
|
|
GDI_ReleaseObj( hpalette );
|
|
}
|
|
TRACE("(%p,%06lx): returning %d\n", hpalette, color, index );
|
|
return index;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNearestColor [GDI32.@] Gets a system color to match
|
|
*
|
|
* RETURNS
|
|
* Success: Color from system palette that corresponds to given color
|
|
* Failure: CLR_INVALID
|
|
*/
|
|
COLORREF WINAPI GetNearestColor(
|
|
HDC hdc, /* [in] Handle of device context */
|
|
COLORREF color) /* [in] Color to be matched */
|
|
{
|
|
unsigned char spec_type;
|
|
COLORREF nearest;
|
|
DC *dc;
|
|
|
|
if (!(dc = DC_GetDCPtr( hdc ))) return CLR_INVALID;
|
|
|
|
if (dc->funcs->pGetNearestColor)
|
|
{
|
|
nearest = dc->funcs->pGetNearestColor( dc->physDev, color );
|
|
GDI_ReleaseObj( hdc );
|
|
return nearest;
|
|
}
|
|
|
|
if (!(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE))
|
|
{
|
|
GDI_ReleaseObj( hdc );
|
|
return color;
|
|
}
|
|
|
|
spec_type = color >> 24;
|
|
if (spec_type == 1 || spec_type == 2)
|
|
{
|
|
/* we need logical palette for PALETTERGB and PALETTEINDEX colorrefs */
|
|
|
|
UINT index;
|
|
PALETTEENTRY entry;
|
|
HPALETTE hpal = dc->hPalette ? dc->hPalette : GetStockObject( DEFAULT_PALETTE );
|
|
|
|
if (spec_type == 2) /* PALETTERGB */
|
|
index = GetNearestPaletteIndex( hpal, color );
|
|
else /* PALETTEINDEX */
|
|
index = LOWORD(color);
|
|
|
|
if (!GetPaletteEntries( hpal, index, 1, &entry ))
|
|
{
|
|
WARN("RGB(%lx) : idx %d is out of bounds, assuming NULL\n", color, index );
|
|
if (!GetPaletteEntries( hpal, 0, 1, &entry ))
|
|
{
|
|
GDI_ReleaseObj( hdc );
|
|
return CLR_INVALID;
|
|
}
|
|
}
|
|
color = RGB( entry.peRed, entry.peGreen, entry.peBlue );
|
|
}
|
|
nearest = color & 0x00ffffff;
|
|
GDI_ReleaseObj( hdc );
|
|
|
|
TRACE("(%06lx): returning %06lx\n", color, nearest );
|
|
return nearest;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_GetObject
|
|
*/
|
|
static INT PALETTE_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer )
|
|
{
|
|
PALETTEOBJ *palette = obj;
|
|
|
|
if( !buffer )
|
|
return sizeof(WORD);
|
|
|
|
if (count > sizeof(WORD)) count = sizeof(WORD);
|
|
memcpy( buffer, &palette->logpalette.palNumEntries, count );
|
|
return count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_UnrealizeObject
|
|
*/
|
|
static BOOL PALETTE_UnrealizeObject( HGDIOBJ handle, void *obj )
|
|
{
|
|
PALETTEOBJ *palette = obj;
|
|
|
|
if (palette->mapping)
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, palette->mapping );
|
|
palette->mapping = NULL;
|
|
}
|
|
if (hLastRealizedPalette == handle)
|
|
{
|
|
hLastRealizedPalette = 0;
|
|
pLastRealizedDC = NULL;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_DeleteObject
|
|
*/
|
|
static BOOL PALETTE_DeleteObject( HGDIOBJ handle, void *obj )
|
|
{
|
|
PALETTEOBJ *palette = obj;
|
|
|
|
HeapFree( GetProcessHeap(), 0, palette->mapping );
|
|
if (hLastRealizedPalette == handle)
|
|
{
|
|
hLastRealizedPalette = 0;
|
|
pLastRealizedDC = NULL;
|
|
}
|
|
return GDI_FreeObject( handle, obj );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDISelectPalette (Not a Windows API)
|
|
*/
|
|
HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg)
|
|
{
|
|
HPALETTE ret;
|
|
DC *dc;
|
|
|
|
TRACE("%p %p\n", hdc, hpal );
|
|
|
|
if (GetObjectType(hpal) != OBJ_PAL)
|
|
{
|
|
WARN("invalid selected palette %p\n",hpal);
|
|
return 0;
|
|
}
|
|
if (!(dc = DC_GetDCPtr( hdc ))) return 0;
|
|
ret = dc->hPalette;
|
|
if (dc->funcs->pSelectPalette) hpal = dc->funcs->pSelectPalette( dc->physDev, hpal, FALSE );
|
|
if (hpal)
|
|
{
|
|
dc->hPalette = hpal;
|
|
if (!wBkg) hPrimaryPalette = hpal;
|
|
}
|
|
else ret = 0;
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDIRealizePalette (Not a Windows API)
|
|
*/
|
|
UINT WINAPI GDIRealizePalette( HDC hdc )
|
|
{
|
|
UINT realized = 0;
|
|
DC* dc = DC_GetDCPtr( hdc );
|
|
|
|
if (!dc) return 0;
|
|
|
|
TRACE("%p...\n", hdc );
|
|
|
|
if( dc->hPalette == GetStockObject( DEFAULT_PALETTE ))
|
|
{
|
|
if (dc->funcs->pRealizeDefaultPalette)
|
|
realized = dc->funcs->pRealizeDefaultPalette( dc->physDev );
|
|
}
|
|
else if(dc->hPalette != hLastRealizedPalette )
|
|
{
|
|
if (dc->funcs->pRealizePalette)
|
|
realized = dc->funcs->pRealizePalette( dc->physDev, dc->hPalette,
|
|
(dc->hPalette == hPrimaryPalette) );
|
|
hLastRealizedPalette = dc->hPalette;
|
|
pLastRealizedDC = dc->funcs;
|
|
}
|
|
else TRACE(" skipping (hLastRealizedPalette = %p)\n", hLastRealizedPalette);
|
|
|
|
GDI_ReleaseObj( hdc );
|
|
TRACE(" realized %i colors.\n", realized );
|
|
return realized;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RealizeDefaultPalette (GDI.365)
|
|
*/
|
|
UINT16 WINAPI RealizeDefaultPalette16( HDC16 hdc )
|
|
{
|
|
UINT16 ret = 0;
|
|
DC *dc;
|
|
|
|
TRACE("%04x\n", hdc );
|
|
|
|
if (!(dc = DC_GetDCPtr( HDC_32(hdc) ))) return 0;
|
|
|
|
if (dc->funcs->pRealizeDefaultPalette) ret = dc->funcs->pRealizeDefaultPalette( dc->physDev );
|
|
GDI_ReleaseObj( HDC_32(hdc) );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* IsDCCurrentPalette (GDI.412)
|
|
*/
|
|
BOOL16 WINAPI IsDCCurrentPalette16(HDC16 hDC)
|
|
{
|
|
DC *dc = DC_GetDCPtr( HDC_32(hDC) );
|
|
if (dc)
|
|
{
|
|
BOOL bRet = dc->hPalette == hPrimaryPalette;
|
|
GDI_ReleaseObj( HDC_32(hDC) );
|
|
return bRet;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SelectPalette [GDI32.@] Selects logical palette into DC
|
|
*
|
|
* RETURNS
|
|
* Success: Previous logical palette
|
|
* Failure: NULL
|
|
*/
|
|
HPALETTE WINAPI SelectPalette(
|
|
HDC hDC, /* [in] Handle of device context */
|
|
HPALETTE hPal, /* [in] Handle of logical color palette */
|
|
BOOL bForceBackground) /* [in] Foreground/background mode */
|
|
{
|
|
return pfnSelectPalette( hDC, hPal, bForceBackground );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RealizePalette [GDI32.@] Maps palette entries to system palette
|
|
*
|
|
* RETURNS
|
|
* Success: Number of entries in logical palette
|
|
* Failure: GDI_ERROR
|
|
*/
|
|
UINT WINAPI RealizePalette(
|
|
HDC hDC) /* [in] Handle of device context */
|
|
{
|
|
return pfnRealizePalette( hDC );
|
|
}
|
|
|
|
|
|
typedef HWND (WINAPI *WindowFromDC_funcptr)( HDC );
|
|
typedef BOOL (WINAPI *RedrawWindow_funcptr)( HWND, const RECT *, HRGN, UINT );
|
|
|
|
/**********************************************************************
|
|
* UpdateColors [GDI32.@] Remaps current colors to logical palette
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI UpdateColors(
|
|
HDC hDC) /* [in] Handle of device context */
|
|
{
|
|
HMODULE mod;
|
|
int size = GetDeviceCaps( hDC, SIZEPALETTE );
|
|
|
|
if (!size) return 0;
|
|
|
|
mod = GetModuleHandleA("user32.dll");
|
|
if (mod)
|
|
{
|
|
WindowFromDC_funcptr pWindowFromDC = (WindowFromDC_funcptr)GetProcAddress(mod,"WindowFromDC");
|
|
if (pWindowFromDC)
|
|
{
|
|
HWND hWnd = pWindowFromDC( hDC );
|
|
|
|
/* Docs say that we have to remap current drawable pixel by pixel
|
|
* but it would take forever given the speed of XGet/PutPixel.
|
|
*/
|
|
if (hWnd && size)
|
|
{
|
|
RedrawWindow_funcptr pRedrawWindow = GetProcAddress( mod, "RedrawWindow" );
|
|
if (pRedrawWindow) pRedrawWindow( hWnd, NULL, 0, RDW_INVALIDATE );
|
|
}
|
|
}
|
|
}
|
|
return 0x666;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* SetMagicColors (GDI.606)
|
|
*/
|
|
VOID WINAPI SetMagicColors16(HDC16 hDC, COLORREF color, UINT16 index)
|
|
{
|
|
FIXME("(hDC %04x, color %04x, index %04x): stub\n", hDC, (int)color, index);
|
|
|
|
}
|
|
|
|
/**********************************************************************
|
|
* GetICMProfileA [GDI32.@]
|
|
*
|
|
* Returns the filename of the specified device context's color
|
|
* management profile, even if color management is not enabled
|
|
* for that DC.
|
|
*
|
|
* RETURNS
|
|
* TRUE if name copied successfully OR lpszFilename is NULL
|
|
* FALSE if the buffer length pointed to by lpcbName is too small
|
|
*
|
|
* NOTE
|
|
* The buffer length pointed to by lpcbName is ALWAYS updated to
|
|
* the length required regardless of other actions this function
|
|
* may take.
|
|
*
|
|
* FIXME
|
|
* How does Windows assign these? Some registry key?
|
|
*/
|
|
|
|
#define WINEICM "winefake.icm" /* easy-to-identify fake filename */
|
|
|
|
/*********************************************************************/
|
|
|
|
BOOL WINAPI GetICMProfileA(HDC hDC, LPDWORD lpcbName, LPSTR lpszFilename)
|
|
{
|
|
DWORD callerLen;
|
|
|
|
FIXME("(%p, %p, %p): partial stub\n", hDC, lpcbName, lpszFilename);
|
|
|
|
callerLen = *lpcbName;
|
|
|
|
/* all 3 behaviors require the required buffer size to be set */
|
|
*lpcbName = strlen(WINEICM);
|
|
|
|
/* behavior 1: if lpszFilename is NULL, return size of string and no error */
|
|
if ((DWORD)lpszFilename == (DWORD)0x00000000)
|
|
return TRUE;
|
|
|
|
/* behavior 2: if buffer size too small, return size of string and error */
|
|
if (callerLen < strlen(WINEICM))
|
|
{
|
|
SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|
return FALSE;
|
|
}
|
|
|
|
/* behavior 3: if buffer size OK and pointer not NULL, copy and return size */
|
|
strcpy(lpszFilename, WINEICM);
|
|
return TRUE;
|
|
}
|