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