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|
/*-----------------------------------------------------------------------
| stdpal.c
|
| Standard App Palette useful for OLE applications. v 1.01
|
| NOTE: Palette MUST be created with OleStdCreateStandardPalette
|
| Copyright (c) 1992 - 1993 Microsoft Corporation. All rights reserved.
|
-----------------------------------------------------------------------*/
#ifndef PC_RESERVED
#ifndef INC_OLE2
#define INC_OLE2
#endif
#undef UNICODE
#include <windows.h>
#include <ole2.h>
#endif
#include "stdpal.h"
#define cpeAppPal 256 // number of colors in our apps palette
typedef struct
{
WORD wVersion;
WORD cpe;
PALETTEENTRY rgpe[cpeAppPal];
} LOGPAL;
/*-----------------------------------------------------------------------
| OleStdCreateStandardPalette
|
| Creates the standard Apps palette. Create one of these for your
| app, and select/realize it into each DC.
|
| Arguments:
| void:
|
| Returns:
|
| Keywords:
-----------------------------------------------------------------------*/
STDAPI_(HPALETTE) OleStdCreateStandardPalette(void)
{
HDC hdc;
HPALETTE hpal;
hpal = (HPALETTE) NULL;
hdc = GetDC(NULL);
if (hdc != NULL && GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
{
int cpeSysPal;
int cpeReserved;
cpeSysPal = GetDeviceCaps(hdc, SIZEPALETTE);
cpeReserved = GetDeviceCaps(hdc, NUMRESERVED);
if (cpeSysPal > cpeReserved)
{
int cpeReserved2;
unsigned char FAR* lpb;
PALETTEENTRY FAR* ppe;
PALETTEENTRY FAR* ppeMac;
LOGPAL logpal;
cpeReserved2 = cpeReserved/2;
// Get the system palette entries at the beginning and end.
GetSystemPaletteEntries(hdc, 0, cpeReserved2, logpal.rgpe);
GetSystemPaletteEntries(hdc, cpeSysPal - cpeReserved2, cpeReserved2,
&logpal.rgpe[cpeAppPal-cpeReserved2]);
logpal.cpe = cpeAppPal;
logpal.wVersion = 0x300;
lpb = (BYTE FAR *) &palSVGA[10];
ppe = (PALETTEENTRY FAR*)&logpal.rgpe[cpeReserved2];
ppeMac = (PALETTEENTRY FAR*)&logpal.rgpe[cpeAppPal-cpeReserved2];
while (ppe < ppeMac)
{
ppe->peFlags = PC_NOCOLLAPSE;
ppe->peRed = *lpb++;
ppe->peGreen = *lpb++;
ppe->peBlue = *lpb++;
ppe++;
}
hpal = CreatePalette((LOGPALETTE FAR *)&logpal);
}
}
ReleaseDC(NULL, hdc);
return hpal;
}
|
