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114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/*
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* True Type font engine support
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*
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* Copyright 1996 John Harvey
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* Copyright 1998 David Lee Lambert
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*
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*/
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "winbase.h"
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#include "font.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(font)
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/* ****************************************************************
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* EngineEnumerateFont [GDI.300]
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*/
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WORD WINAPI
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EngineEnumerateFont16(LPSTR fontname, FARPROC16 proc, DWORD data )
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{
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FIXME("(%s,%p,%lx),stub\n",fontname,proc,data);
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return 0;
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}
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/* ****************************************************************
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* EngineDeleteFont [GDI.301]
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*/
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WORD WINAPI EngineDeleteFont16(LPFONTINFO16 lpFontInfo)
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{
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WORD handle;
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/* untested, don't know if it works.
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We seem to access some structure that is located after the
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FONTINFO. The FONTINFO documentation says that there may
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follow some char-width table or font bitmap or vector info.
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I think it is some kind of font bitmap that begins at offset 0x52,
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as FONTINFO goes up to 0x51.
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If this is correct, everything should be implemented correctly.
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*/
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if ( ((lpFontInfo->dfType & (RASTER_FONTTYPE|DEVICE_FONTTYPE))
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== (RASTER_FONTTYPE|DEVICE_FONTTYPE))
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&& (LOWORD(lpFontInfo->dfFace) == LOWORD(lpFontInfo)+0x6e)
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&& (handle = *(WORD *)(lpFontInfo+0x54)) )
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{
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*(WORD *)(lpFontInfo+0x54) = 0;
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GlobalFree16(handle);
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}
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return 1;
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}
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/* ****************************************************************
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* EngineRealizeFont [GDI.302]
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*/
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WORD WINAPI EngineRealizeFont16(LPLOGFONT16 lplogFont, LPTEXTXFORM16 lptextxform, LPFONTINFO16 lpfontInfo)
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{
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FIXME("(%p,%p,%p),stub\n",lplogFont,lptextxform,lpfontInfo);
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return 0;
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}
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/* ****************************************************************
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* EngineGetCharWidth [GDI.303]
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*/
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WORD WINAPI EngineGetCharWidth16(LPFONTINFO16 lpFontInfo, BYTE firstChar, BYTE lastChar, LPINT16 buffer)
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{
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int i;
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for (i = firstChar; i <= lastChar; i++)
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FIXME(" returns font's average width for range %d to %d\n", firstChar, lastChar);
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*buffer++ = lpFontInfo->dfAvgWidth; /* insert some charwidth functionality here; use average width for now */
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return 1;
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}
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/* ****************************************************************
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* EngineSetFontContext [GDI.304]
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*/
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WORD WINAPI EngineSetFontContext(LPFONTINFO16 lpFontInfo, WORD data)
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{
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FIXME("stub?\n");
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return 0;
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}
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/* ****************************************************************
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* EngineGetGlyphBMP [GDI.305]
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*/
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WORD WINAPI EngineGetGlyphBMP(WORD word, LPFONTINFO16 lpFontInfo, WORD w1, WORD w2, LPSTR string, DWORD dword, /*LPBITMAPMETRICS16*/ LPVOID metrics)
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{
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FIXME("stub?\n");
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return 0;
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}
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/* ****************************************************************
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* EngineMakeFontDir [GDI.306]
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*/
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DWORD WINAPI EngineMakeFontDir(HDC16 hdc, LPFONTDIR16 fontdir, LPCSTR string)
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{
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FIXME(" stub! (always fails)\n");
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return -1; /* error */
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}
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/* ****************************************************************
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* EngineExtTextOut [GDI.314]
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*/
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WORD WINAPI EngineExtTextOut()
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{
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FIXME("stub!\n");
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return 0;
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}
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