WIP 1/x: Move freetype font driver.

svn path=/trunk/; revision=39966
This commit is contained in:
Timo Kreuzer 2009-03-12 03:00:51 +00:00
parent b1083de600
commit 2a09b8d220
9 changed files with 1648 additions and 0 deletions

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/*
* PROJECT: ReactOS win32 subsystem
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: GDI font driver for bitmap fonts
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#include "ftfd.h"
static DRVFN gadrvfn[] =
{
{INDEX_DrvEnablePDEV, (PFN)FtfdEnablePDEV},
{INDEX_DrvCompletePDEV, (PFN)FtfdCompletePDEV},
{INDEX_DrvDisablePDEV, (PFN)FtfdDisablePDEV},
{INDEX_DrvLoadFontFile, (PFN)FtfdLoadFontFile},
{INDEX_DrvUnloadFontFile, (PFN)FtfdUnloadFontFile},
{INDEX_DrvQueryFontFile, (PFN)FtfdQueryFontFile},
{INDEX_DrvQueryFontCaps, (PFN)FtfdQueryFontCaps},
{INDEX_DrvQueryFontTree, (PFN)FtfdQueryFontTree},
{INDEX_DrvQueryFont, (PFN)FtfdQueryFont},
{INDEX_DrvFree, (PFN)FtfdFree},
{INDEX_DrvQueryGlyphAttrs, (PFN)FtfdQueryGlyphAttrs},
{INDEX_DrvQueryFontData, (PFN)FtfdQueryFontData},
};
FT_Library gftlibrary;
BOOL
APIENTRY
FtfdEnableDriver(
ULONG iEngineVersion,
ULONG cj,
PDRVENABLEDATA pded)
{
FT_Error fterror;
DbgPrint("FtfdEnableDriver()\n");
/* Check parameter */
if (cj < sizeof(DRVENABLEDATA))
{
return FALSE;
}
/* Initialize freetype library */
fterror = FT_Init_FreeType(&gftlibrary);
if (fterror)
{
DbgPrint("an error occurred during library initialization: %ld.\n", fterror);
return FALSE;
}
/* Fill DRVENABLEDATA */
pded->c = sizeof(gadrvfn) / sizeof(DRVFN);
pded->pdrvfn = gadrvfn;
pded->iDriverVersion = DDI_DRIVER_VERSION_NT5;
/* Success */
return TRUE;
}
DHPDEV
APIENTRY
FtfdEnablePDEV(
IN DEVMODEW *pdm,
IN LPWSTR pwszLogAddress,
IN ULONG cPat,
OUT HSURF *phsurfPatterns,
IN ULONG cjCaps,
OUT ULONG *pdevcaps,
IN ULONG cjDevInfo,
OUT DEVINFO *pdi,
IN HDEV hdev,
IN LPWSTR pwszDeviceName,
IN HANDLE hDriver)
{
DbgPrint("FtfdEnablePDEV(hdev=%p)\n", hdev);
/* Return a dummy DHPDEV */
return (PVOID)1;
}
VOID
APIENTRY
FtfdCompletePDEV(
IN DHPDEV dhpdev,
IN HDEV hdev)
{
DbgPrint("FtfdCompletePDEV()\n");
/* Nothing to do */
}
VOID
APIENTRY
FtfdDisablePDEV(
IN DHPDEV dhpdev)
{
DbgPrint("FtfdDisablePDEV()\n");
/* Nothing to do */
}

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/*
* PROJECT: ReactOS win32 subsystem
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: GDI font driver for bitmap fonts
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#include "ftfd.h"
PVOID
HackFixup(
PVOID pvView,
ULONG cjView)
{
CHAR *pc;
CHAR c;
pc = EngAllocMem(0, cjView, 'tmp ');
memcpy(pc, pvView, cjView);
c = *pc;
*pc = 0;
return pc;
}
/** Public Interface **********************************************************/
ULONG_PTR
APIENTRY
FtfdLoadFontFile(
ULONG cFiles,
ULONG_PTR *piFile,
PVOID *ppvView,
ULONG *pcjView,
DESIGNVECTOR *pdv,
ULONG ulLangID,
ULONG ulFastCheckSum)
{
PVOID pvView;
ULONG cjView, i;
FT_Error fterror;
FT_Face ftface;
PFTFD_FILE pfile;
ULONG cjSize, cNumFaces;
DbgPrint("FtfdLoadFontFile()\n");
/* Check parameters */
if (cFiles != 1)
{
DbgPrint("Only 1 File is allowed, got %ld!\n", cFiles);
return HFF_INVALID;
}
/* Map the font file */
if (!EngMapFontFileFD(*piFile, (PULONG*)&pvView, &cjView))
{
DbgPrint("Could not map font file!\n");
return HFF_INVALID;
}
// HACK!!!
pvView = HackFixup(pvView, cjView);
fterror = FT_New_Memory_Face(gftlibrary, pvView, cjView, 0, &ftface);
if (fterror)
{
DbgPrint("No faces found in file\n");
/* Unmap the file */
EngUnmapFontFileFD(*piFile);
/* Failure! */
return HFF_INVALID;
}
/* Get number of faces from the first face */
cNumFaces = ftface->num_faces;
cjSize = sizeof(FTFD_FILE) + cNumFaces * sizeof(FT_Face);
pfile = EngAllocMem(0, cjSize, 'dftF');
if (!pfile)
{
DbgPrint("EngAllocMem() failed.\n");
/* Unmap the file */
EngUnmapFontFileFD(*piFile);
/* Failure! */
return HFF_INVALID;
}
pfile->cNumFaces = cNumFaces;
pfile->iFile = *piFile;
pfile->pvView = pvView;
pfile->cjView = cjView;
for (i = 0; i < pfile->cNumFaces; i++)
{
pfile->aftface[i] = ftface;
FT_Select_Charmap(ftface, FT_ENCODING_UNICODE);
}
DbgPrint("Success! Returning %ld faces\n", cNumFaces);
return (ULONG_PTR)pfile;
}
BOOL
APIENTRY
FtfdUnloadFontFile(
IN ULONG_PTR iFile)
{
PFTFD_FILE pfile = (PFTFD_FILE)iFile;
ULONG i;
DbgPrint("FtfdUnloadFontFile()\n");
// HACK!!!
EngFreeMem(pfile->pvView);
/* Cleanup faces */
for (i = 0; i < pfile->cNumFaces; i++)
{
FT_Done_Face(pfile->aftface[i]);
}
/* Free the memory that was allocated for the font */
EngFreeMem(pfile);
/* Unmap the font file */
EngUnmapFontFileFD(pfile->iFile);
return TRUE;
}
LONG
APIENTRY
FtfdQueryFontFile(
ULONG_PTR iFile,
ULONG ulMode,
ULONG cjBuf,
ULONG *pulBuf)
{
PFTFD_FILE pfile = (PFTFD_FILE)iFile;
DbgPrint("FtfdQueryFontFile(ulMode=%ld)\n", ulMode);
// DbgBreakPoint();
switch (ulMode)
{
case QFF_DESCRIPTION:
{
return 0;
}
case QFF_NUMFACES:
/* return the number of faces in the file */
return pfile->cNumFaces;
}
return FD_ERROR;
}
PIFIMETRICS
APIENTRY
FtfdQueryFont(
IN DHPDEV dhpdev,
IN ULONG_PTR iFile,
IN ULONG iFace,
IN ULONG_PTR *pid)
{
PFTFD_FILE pfile = (PFTFD_FILE)iFile;
PFTFD_IFIMETRICS pifiX;
PIFIMETRICS pifi;
FT_Face ftface;
FT_Error fterror;
DbgPrint("FtfdQueryFont()\n");
/* Validate parameters */
if (iFace > pfile->cNumFaces || !pid)
{
return NULL;
}
fterror = FT_New_Memory_Face(gftlibrary,
pfile->pvView,
pfile->cjView,
iFace - 1,
&ftface);
if (fterror)
{
return NULL;
}
/* Allocate the ifi metrics structure */
pifiX = EngAllocMem(FL_ZERO_MEMORY, sizeof(FTFD_IFIMETRICS), TAG_IFIMETRICS);
if (!pifiX)
{
DbgPrint("EngAllocMem() failed.\n");
FT_Done_Face(ftface);
return NULL;
}
/* Fill IFIMETRICS */
pifi = &pifiX->ifim;
pifi->cjThis = sizeof(FTFD_IFIMETRICS);
pifi->cjIfiExtra = 0;
pifi->dpwszFamilyName = FIELD_OFFSET(FTFD_IFIMETRICS, wszFamilyName);
pifi->dpwszStyleName = FIELD_OFFSET(FTFD_IFIMETRICS, wszFamilyName);
pifi->dpwszFaceName = FIELD_OFFSET(FTFD_IFIMETRICS, wszFaceName);
pifi->dpwszUniqueName = FIELD_OFFSET(FTFD_IFIMETRICS, wszFaceName);
pifi->dpFontSim = 0;
pifi->lEmbedId = 0;
pifi->lItalicAngle = 0;
pifi->lCharBias = 0;
pifi->dpCharSets = 0;
// pifi->jWinCharSet = pFontInfo->dfCharSet;
// pifi->jWinPitchAndFamily = pFontInfo->dfPitchAndFamily;
// pifi->usWinWeight = GETVAL(pFontInfo->dfWeight);
// pifi->flInfo = pface->flInfo;
pifi->fsSelection = 0;
pifi->fsType = 0;
// pifi->fwdUnitsPerEm = GETVAL(pFontInfo->dfPixHeight);
pifi->fwdLowestPPEm = 0;
// pifi->fwdWinAscender = GETVAL(pFontInfo->dfAscent);
pifi->fwdWinDescender = pifi->fwdUnitsPerEm - pifi->fwdWinAscender;
pifi->fwdMacAscender = pifi->fwdWinAscender;
pifi->fwdMacDescender = - pifi->fwdWinDescender;
pifi->fwdMacLineGap = 0;
pifi->fwdTypoAscender = pifi->fwdWinAscender;
pifi->fwdTypoDescender = - pifi->fwdWinDescender;
pifi->fwdTypoLineGap = 0;
// pifi->fwdAveCharWidth = GETVAL(pFontInfo->dfAvgWidth);
// pifi->fwdMaxCharInc = GETVAL(pFontInfo->dfMaxWidth);
// pifi->fwdCapHeight = pifi->fwdUnitsPerEm / 2;
pifi->fwdXHeight = pifi->fwdUnitsPerEm / 4;
pifi->fwdSubscriptXSize = 0;
pifi->fwdSubscriptYSize = 0;
pifi->fwdSubscriptXOffset = 0;
pifi->fwdSubscriptYOffset = 0;
pifi->fwdSuperscriptXSize = 0;
pifi->fwdSuperscriptYSize = 0;
pifi->fwdSuperscriptXOffset = 0;
pifi->fwdSuperscriptYOffset = 0;
pifi->fwdUnderscoreSize = 01;
pifi->fwdUnderscorePosition = -1;
pifi->fwdStrikeoutSize = 1;
pifi->fwdStrikeoutPosition = pifi->fwdXHeight + 1;
// pifi->chFirstChar = pFontInfo->dfFirstChar;
// pifi->chLastChar = pFontInfo->dfLastChar;
// pifi->chDefaultChar = pFontInfo->dfFirstChar + pFontInfo->dfDefaultChar;
// pifi->chBreakChar = pFontInfo->dfFirstChar + pFontInfo->dfBreakChar;
// pifi->wcFirstChar = pface->wcFirstChar;
// pifi->wcLastChar = pface->wcLastChar;
// pifi->wcDefaultChar = pface->wcDefaultChar;
// pifi->wcBreakChar = pface->wcBreakChar;
pifi->ptlBaseline.x = 1;
pifi->ptlBaseline.y = 0;
// pifi->ptlAspect.x = pFontInfo->dfVertRes; // CHECKME
// pifi->ptlAspect.y = pFontInfo->dfHorizRes;
pifi->ptlCaret.x = 0;
pifi->ptlCaret.y = 1;
pifi->rclFontBox.left = 0;
pifi->rclFontBox.right = pifi->fwdAveCharWidth;
pifi->rclFontBox.top = pifi->fwdWinAscender;
pifi->rclFontBox.bottom = - pifi->fwdWinDescender;
*(DWORD*)&pifi->achVendId = 0x30303030; // FIXME
pifi->cKerningPairs = 0;
pifi->ulPanoseCulture = FM_PANOSE_CULTURE_LATIN;
// pifi->panose = panose;
/* Set char sets */
pifiX->ajCharSet[0] = pifi->jWinCharSet;
pifiX->ajCharSet[1] = DEFAULT_CHARSET;
FT_Done_Face(ftface);
return 0;
}
LONG
APIENTRY
FtfdQueryFontCaps(
ULONG culCaps,
ULONG *pulCaps)
{
DbgPrint("FtfdQueryFontCaps()\n");
/* We need room for 2 ULONGs */
if (culCaps < 2)
{
return FD_ERROR;
}
/* We only support 1 bpp */
pulCaps[0] = 2;
pulCaps[1] = QC_1BIT;
return 2;
}
PVOID
APIENTRY
FtfdQueryFontTree(
DHPDEV dhpdev,
ULONG_PTR iFile,
ULONG iFace,
ULONG iMode,
ULONG_PTR *pid)
{
PFTFD_FILE pfile = (PFTFD_FILE)iFile;
FT_Face ftface;
FT_Error fterror;
FTFD_CHARPAIR *pcp;
FD_GLYPHSET *pGlyphSet;
FT_ULong charcode;
ULONG i, j, cGlyphs, cRuns, cjSize;
WCRUN *pwcrun;
HGLYPH * phglyphs;
DbgPrint("FtfdQueryFontTree()\n");
fterror = FT_New_Memory_Face(gftlibrary,
pfile->pvView,
pfile->cjView,
iFace - 1,
&ftface);
if (fterror)
{
return NULL;
}
cGlyphs = ftface->num_glyphs;
cRuns = 1;
pcp = EngAllocMem(0, cGlyphs * sizeof(FTFD_CHARPAIR), 'pcp ');
if (!pcp)
{
return NULL;
}
charcode = FT_Get_First_Char(ftface, &pcp[0].index);
for (i = 0; i < cGlyphs && charcode != 0; i++)
{
pcp[i].charcode = charcode;
charcode = FT_Get_Next_Char(ftface, charcode, &pcp[i].index);
if (charcode != pcp[i - 1].charcode + 1)
{
cRuns++;
}
}
/* Calculate FD_GLYPHSET size */
cjSize = sizeof(FD_GLYPHSET)
+ (cRuns - 1) * sizeof(WCRUN)
+ cGlyphs * sizeof(HGLYPH);
/* Allocate the FD_GLYPHSET structure */
pGlyphSet = EngAllocMem(0, cjSize, TAG_GLYPHSET);
if (!pGlyphSet)
{
return NULL;
}
/* Initialize FD_GLYPHSET */
pGlyphSet->cjThis = cjSize;
pGlyphSet->flAccel = 0;
pGlyphSet->cGlyphsSupported = cGlyphs;
pGlyphSet->cRuns = cRuns;
/* Initialize 1st WCRUN */
pwcrun = pGlyphSet->awcrun;
phglyphs = (PHGLYPH)&pGlyphSet->awcrun[cRuns];
pwcrun[0].wcLow = pcp[0].charcode;
pwcrun[0].cGlyphs = 1;
pwcrun[0].phg = phglyphs;
phglyphs[0] = pcp[0].index;
/* Walk through all supported chars */
for (i = 1, j = 0; i < cGlyphs; i++)
{
/* Use glyph index as HGLYPH */
phglyphs[i] = pcp[i].index;
/* Check whether we can append the wchar to a run */
if (pcp[i].charcode == pcp[i - 1].charcode + 1)
{
/* Append to current WCRUN */
pwcrun[j].cGlyphs++;
}
else
{
/* Add a new WCRUN */
j++;
pwcrun[j].wcLow = pcp[i].charcode;
pwcrun[j].cGlyphs = 1;
pwcrun[j].phg = &phglyphs[i];
}
}
return NULL;
}
VOID
APIENTRY
FtfdFree(
PVOID pv,
ULONG_PTR id)
{
DbgPrint("FtfdFree()\n");
if (id)
{
EngFreeMem((PVOID)id);
}
}

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LIBRARY freetype
EXPORTS
FT_Done_Face
FT_Done_Glyph
FT_Get_Char_Index
FT_Get_First_Char
FT_Get_Glyph
FT_Get_Kerning
FT_Get_Next_Char
FT_Get_PS_Font_Info
FT_Get_Sfnt_Table
FT_Get_WinFNT_Header
FT_Glyph_To_Bitmap
FT_Init_FreeType
FT_Load_Glyph
FT_Load_Sfnt_Table
FT_Matrix_Multiply
FT_MulFix
FT_New_Memory_Face
FT_Outline_Get_Bitmap
FT_Outline_Transform
FT_Outline_Translate
FT_Set_Charmap
FT_Set_Pixel_Sizes
FT_Vector_Transform
FT_Vector_Unit

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#define REACTOS_VERSION_DLL
#define REACTOS_STR_FILE_DESCRIPTION "FreeType font handling library\0"
#define REACTOS_STR_INTERNAL_NAME "freetype\0"
#define REACTOS_STR_ORIGINAL_FILENAME "freetype.dll\0"
#define REACTOS_STR_COMPANY_NAME "ReactOS Development Team/FreeType Team\0"
#define REACTOS_STR_LEGAL_COPYRIGHT "Copyright 1998-2007 ReactOS Team\0"
#define REACTOS_STR_ORIGINAL_COPYRIGHT "Copyright 1996-2007 FreeType Team\0"
#include <reactos/version.rc>

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/*
* PROJECT: ReactOS win32 subsystem
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: GDI font driver for bitmap fonts
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#include <stdarg.h>
#include <windef.h>
#include <wingdi.h>
#include <winddi.h>
#include <ft2build.h>
#include FT_FREETYPE_H
extern FT_Library gftlibrary;
#define TAG_GLYPHSET 'GlSt'
#define TAG_IFIMETRICS 'Ifim'
/** Driver specific types *****************************************************/
typedef struct
{
FT_UInt index;
FT_ULong charcode;
} FTFD_CHARPAIR;
typedef struct
{
PVOID pvView;
ULONG cjView;
ULONG_PTR iFile;
ULONG cNumFaces;
FT_Face aftface[1];
} FTFD_FILE, *PFTFD_FILE;
//"Bold Italic Underline Strikeout"
#define MAX_STYLESIZE 35
typedef struct
{
IFIMETRICS ifim;
BYTE ajCharSet[16];
WCHAR wszFamilyName[LF_FACESIZE];
WCHAR wszFaceName[LF_FACESIZE];
WCHAR wszStyleName[MAX_STYLESIZE];
} FTFD_IFIMETRICS, *PFTFD_IFIMETRICS;
/** Function prototypes *******************************************************/
ULONG
DbgPrint(IN PCHAR Format, IN ...);
static __inline__
void
DbgBreakPoint(void)
{
asm volatile ("int $3");
}
DHPDEV
APIENTRY
FtfdEnablePDEV(
IN DEVMODEW *pdm,
IN LPWSTR pwszLogAddress,
IN ULONG cPat,
OUT HSURF *phsurfPatterns,
IN ULONG cjCaps,
OUT ULONG *pdevcaps,
IN ULONG cjDevInfo,
OUT DEVINFO *pdi,
IN HDEV hdev,
IN LPWSTR pwszDeviceName,
IN HANDLE hDriver);
VOID
APIENTRY
FtfdCompletePDEV(
IN DHPDEV dhpdev,
IN HDEV hdev);
VOID
APIENTRY
FtfdDisablePDEV(
IN DHPDEV dhpdev);
ULONG_PTR
APIENTRY
FtfdLoadFontFile(
ULONG cFiles,
ULONG_PTR *piFile,
PVOID *ppvView,
ULONG *pcjView,
DESIGNVECTOR *pdv,
ULONG ulLangID,
ULONG ulFastCheckSum);
BOOL
APIENTRY
FtfdUnloadFontFile(
IN ULONG_PTR iFile);
LONG
APIENTRY
FtfdQueryFontFile(
ULONG_PTR iFile,
ULONG ulMode,
ULONG cjBuf,
ULONG *pulBuf);
LONG
APIENTRY
FtfdQueryFontCaps(
ULONG culCaps,
ULONG *pulCaps);
PVOID
APIENTRY
FtfdQueryFontTree(
DHPDEV dhpdev,
ULONG_PTR iFile,
ULONG iFace,
ULONG iMode,
ULONG_PTR *pid);
PIFIMETRICS
APIENTRY
FtfdQueryFont(
IN DHPDEV dhpdev,
IN ULONG_PTR iFile,
IN ULONG iFace,
IN ULONG_PTR *pid);
VOID
APIENTRY
FtfdFree(
PVOID pv,
ULONG_PTR id);
PFD_GLYPHATTR
APIENTRY
FtfdQueryGlyphAttrs(
FONTOBJ *pfo,
ULONG iMode);
LONG
APIENTRY
FtfdQueryFontData(
DHPDEV dhpdev,
FONTOBJ *pfo,
ULONG iMode,
HGLYPH hg,
OUT GLYPHDATA *pgd,
PVOID pv,
ULONG cjSize);

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<?xml version="1.0"?>
<!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
<module name="ftfd" type="kernelmodedll" entrypoint="FtfdEnableDriver@12" baseaddress="${BASEADDRESS_FREETYPE}" installbase="system32" installname="ftfd.dll" crt="libcntpr">
<importlibrary definition="freetype.def" />
<include base="freetype2">include</include>
<library>win32k</library>
<library>freetype2</library>
<file>enable.c</file>
<file>font.c</file>
<file>glyph.c</file>
<file>rosglue.c</file>
<file>sprintf.c</file>
</module>

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/*
* PROJECT: ReactOS win32 subsystem
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: GDI font driver for bitmap fonts
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#include "ftfd.h"
/** Public Interface **********************************************************/
PFD_GLYPHATTR
APIENTRY
FtfdQueryGlyphAttrs(
FONTOBJ *pfo,
ULONG iMode)
{
return NULL;
}
LONG
APIENTRY
FtfdQueryFontData(
DHPDEV dhpdev,
FONTOBJ *pfo,
ULONG iMode,
HGLYPH hg,
OUT GLYPHDATA *pgd,
PVOID pv,
ULONG cjSize)
{
return FD_ERROR;
}

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/* $Id: rosglue.c 39928 2009-03-10 02:49:45Z tkreuzer $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: FreeType implementation for ReactOS
* PURPOSE: Glue functions between FreeType
* FILE: thirdparty/freetype/rosglue.c
* PROGRAMMER: Ge van Geldorp (ge@gse.nl)
* NOTES:
*/
#include <windef.h>
#include <wingdi.h>
#include <winddi.h>
#include <stdarg.h>
#include <stdio.h>
#define NDEBUG
#include <debug.h>
#define TAG(A, B, C, D) (ULONG)(((A)<<0) + ((B)<<8) + ((C)<<16) + ((D)<<24))
#define TAG_FREETYPE TAG('F', 'T', 'Y', 'P')
/*
* First some generic routines
*/
ULONG
DbgPrint(IN PCCH Format, IN ...)
{
va_list args;
va_start(args, Format);
EngDebugPrint("ft2: ", (PCHAR)Format, args);
va_end(args);
return 0;
}
/*
* Memory allocation
*
* Because of realloc, we need to keep track of the size of the allocated
* buffer (need to copy the old contents to the new buffer). So, allocate
* extra space for a size_t, store the allocated size in there and return
* the address just past it as the allocated buffer.
*/
void *
malloc(size_t Size)
{
void *Object;
Object = EngAllocMem(0, sizeof(size_t) + Size, TAG_FREETYPE);
if (NULL != Object)
{
*((size_t *) Object) = Size;
Object = (void *)((size_t *) Object + 1);
}
return Object;
}
void *
realloc(void *Object, size_t Size)
{
void *NewObject;
size_t CopySize;
NewObject = EngAllocMem(0, sizeof(size_t) + Size, TAG_FREETYPE);
if (NULL != NewObject)
{
*((size_t *) NewObject) = Size;
NewObject = (void *)((size_t *) NewObject + 1);
CopySize = *((size_t *) Object - 1);
if (Size < CopySize)
{
CopySize = Size;
}
memcpy(NewObject, Object, CopySize);
EngFreeMem((size_t *) Object - 1);
}
return NewObject;
}
void
free(void *Object)
{
EngFreeMem((size_t *) Object - 1);
}
/*
* File I/O
*
* This is easy, we don't want FreeType to do any I/O. So return an
* error on each I/O attempt. Note that errno is not being set, it is
* not used by FreeType.
*/
FILE *
fopen(const char *FileName, const char *Mode)
{
DPRINT1("Freetype tries to open file %s\n", FileName);
return NULL;
}
int
fseek(FILE *Stream, long Offset, int Origin)
{
DPRINT1("Doubleplus ungood: freetype shouldn't fseek!\n");
return -1;
}
long
ftell(FILE *Stream)
{
DPRINT1("Doubleplus ungood: freetype shouldn't ftell!\n");
return -1;
}
size_t
fread(void *Buffer, size_t Size, size_t Count, FILE *Stream)
{
DPRINT1("Doubleplus ungood: freetype shouldn't fread!\n");
return 0;
}
int
fclose(FILE *Stream)
{
DPRINT1("Doubleplus ungood: freetype shouldn't fclose!\n");
return EOF;
}

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/*
* PROGRAMMERS: David Welch
* Eric Kohl
*
* TODO:
* - Verify the implementation of '%Z'.
*/
/*
* linux/lib/vsprintf.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
/*
* Wirzenius wrote this portably, Torvalds fucked it up :-)
*/
#define WIN32_NO_STATUS
#include <windows.h>
#include <ndk/ntndk.h>
#include <stdlib.h>
#include <stdio.h>
#define ZEROPAD 1 /* pad with zero */
#define SIGN 2 /* unsigned/signed long */
#define PLUS 4 /* show plus */
#define SPACE 8 /* space if plus */
#define LEFT 16 /* left justified */
#define SPECIAL 32 /* 0x */
#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
#define REMOVEHEX 256 /* use 256 as remve 0x frim BASE 16 */
typedef struct {
unsigned int mantissal:32;
unsigned int mantissah:20;
unsigned int exponent:11;
unsigned int sign:1;
} double_t;
static
__inline
int
_isinf(double __x)
{
union
{
double* __x;
double_t* x;
} x;
x.__x = &__x;
return ( x.x->exponent == 0x7ff && ( x.x->mantissah == 0 && x.x->mantissal == 0 ));
}
static
__inline
int
_isnan(double __x)
{
union
{
double* __x;
double_t* x;
} x;
x.__x = &__x;
return ( x.x->exponent == 0x7ff && ( x.x->mantissah != 0 || x.x->mantissal != 0 ));
}
static
__inline
int
do_div(long long *n, int base)
{
int a;
a = ((unsigned long long) *n) % (unsigned) base;
*n = ((unsigned long long) *n) / (unsigned) base;
return a;
}
static int skip_atoi(const char **s)
{
int i=0;
while (isdigit(**s))
i = i*10 + *((*s)++) - '0';
return i;
}
static char *
number(char * buf, char * end, long long num, int base, int size, int precision, int type)
{
char c,sign,tmp[66];
const char *digits;
const char *small_digits = "0123456789abcdefghijklmnopqrstuvwxyz";
const char *large_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int i;
digits = (type & LARGE) ? large_digits : small_digits;
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = '-';
num = -num;
size--;
} else if (type & PLUS) {
sign = '+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if ((type & SPECIAL) && ((type & REMOVEHEX) == 0)) {
if (base == 16)
size -= 2;
}
i = 0;
if ((num == 0) && (precision !=0))
tmp[i++] = '0';
else while (num != 0)
tmp[i++] = digits[do_div(&num,base)];
if (i > precision)
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT))) {
while(size-->0) {
if (buf <= end)
*buf = ' ';
++buf;
}
}
if (sign) {
if (buf <= end)
*buf = sign;
++buf;
}
if ((type & SPECIAL) && ((type & REMOVEHEX) == 0)) {
if (base==16) {
if (buf <= end)
*buf = '0';
++buf;
if (buf <= end)
*buf = digits[33];
++buf;
}
}
if (!(type & LEFT)) {
while (size-- > 0) {
if (buf <= end)
*buf = c;
++buf;
}
}
while (i < precision--) {
if (buf <= end)
*buf = '0';
++buf;
}
while (i-- > 0) {
if (buf <= end)
*buf = tmp[i];
++buf;
}
while (size-- > 0) {
if (buf <= end)
*buf = ' ';
++buf;
}
return buf;
}
static char *
numberf(char * buf, char * end, double num, int base, int size, int precision, int type)
{
char c,sign,tmp[66];
const char *digits;
const char *small_digits = "0123456789abcdefghijklmnopqrstuvwxyz";
const char *large_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int i;
long long x;
/* FIXME
the float version of number is direcly copy of number
*/
digits = (type & LARGE) ? large_digits : small_digits;
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = '-';
num = -num;
size--;
} else if (type & PLUS) {
sign = '+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if (type & SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++] = '0';
else while (num != 0)
{
x = num;
tmp[i++] = digits[do_div(&x,base)];
num=x;
}
if (i > precision)
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT))) {
while(size-->0) {
if (buf <= end)
*buf = ' ';
++buf;
}
}
if (sign) {
if (buf <= end)
*buf = sign;
++buf;
}
if (type & SPECIAL) {
if (base==8) {
if (buf <= end)
*buf = '0';
++buf;
} else if (base==16) {
if (buf <= end)
*buf = '0';
++buf;
if (buf <= end)
*buf = digits[33];
++buf;
}
}
if (!(type & LEFT)) {
while (size-- > 0) {
if (buf <= end)
*buf = c;
++buf;
}
}
while (i < precision--) {
if (buf <= end)
*buf = '0';
++buf;
}
while (i-- > 0) {
if (buf <= end)
*buf = tmp[i];
++buf;
}
while (size-- > 0) {
if (buf <= end)
*buf = ' ';
++buf;
}
return buf;
}
static char*
string(char* buf, char* end, const char* s, int len, int field_width, int precision, int flags)
{
int i;
char c;
c = (flags & ZEROPAD) ? '0' : ' ';
if (s == NULL)
{
s = "<NULL>";
len = 6;
}
else
{
if (len == -1)
{
len = 0;
while ((unsigned int)len < (unsigned int)precision && s[len])
len++;
}
else
{
if ((unsigned int)len > (unsigned int)precision)
len = precision;
}
}
if (!(flags & LEFT))
while (len < field_width--)
{
if (buf <= end)
*buf = c;
++buf;
}
for (i = 0; i < len; ++i)
{
if (buf <= end)
*buf = *s++;
++buf;
}
while (len < field_width--)
{
if (buf <= end)
*buf = ' ';
++buf;
}
return buf;
}
static char*
stringw(char* buf, char* end, const wchar_t* sw, int len, int field_width, int precision, int flags)
{
int i;
char c;
c = (flags & ZEROPAD) ? '0' : ' ';
if (sw == NULL)
{
sw = L"<NULL>";
len = 6;
}
else
{
if (len == -1)
{
len = 0;
while ((unsigned int)len < (unsigned int)precision && sw[len])
len++;
}
else
{
if ((unsigned int)len > (unsigned int)precision)
len = precision;
}
}
if (!(flags & LEFT))
while (len < field_width--)
{
if (buf <= end)
*buf = c;
buf++;
}
for (i = 0; i < len; ++i)
{
if (buf <= end)
*buf = (unsigned char)(*sw++);
buf++;
}
while (len < field_width--)
{
if (buf <= end)
*buf = ' ';
buf++;
}
return buf;
}
/*
* @implemented
*/
int __cdecl _vsnprintf(char *buf, size_t cnt, const char *fmt, va_list args)
{
int len;
unsigned long long num;
double _double;
int base;
char *str, *end;
const char *s;
const wchar_t *sw;
int flags; /* flags to number() */
int field_width; /* width of output field */
int precision; /* min. # of digits for integers; max
number of chars for from string */
int qualifier; /* 'h', 'l', 'L', 'I' or 'w' for integer fields */
/* clear the string buffer with zero so we do not need NULL terment it at end */
str = buf;
end = buf + cnt - 1;
if (end < buf - 1) {
end = ((char *) -1);
cnt = end - buf + 1;
}
for ( ; *fmt ; ++fmt) {
if (*fmt != '%') {
if (str <= end)
*str = *fmt;
++str;
continue;
}
/* process flags */
flags = 0;
repeat:
++fmt; /* this also skips first '%' */
switch (*fmt) {
case '-': flags |= LEFT; goto repeat;
case '+': flags |= PLUS; goto repeat;
case ' ': flags |= SPACE; goto repeat;
case '#': flags |= SPECIAL; goto repeat;
case '0': flags |= ZEROPAD; goto repeat;
}
/* get field width */
field_width = -1;
if (isdigit(*fmt))
field_width = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
field_width = va_arg(args, int);
if (field_width < 0) {
field_width = -field_width;
flags |= LEFT;
}
}
/* get the precision */
precision = -1;
if (*fmt == '.') {
++fmt;
if (isdigit(*fmt))
precision = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
precision = va_arg(args, int);
}
if (precision < 0)
precision = 0;
}
/* get the conversion qualifier */
qualifier = -1;
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt == 'w') {
qualifier = *fmt;
++fmt;
} else if (*fmt == 'I' && *(fmt+1) == '6' && *(fmt+2) == '4') {
qualifier = *fmt;
fmt += 3;
} else if (*fmt == 'I' && *(fmt+1) == '3' && *(fmt+2) == '2') {
qualifier = 'l';
fmt += 3;
} else if (*fmt == 'F' && *(fmt+1) == 'p') {
fmt += 1;
flags |= REMOVEHEX;
}
/* default base */
base = 10;
switch (*fmt) {
case 'c': /* finished */
if (qualifier == 'l' || qualifier == 'w') {
wchar_t sw1[2];
/* print unicode string */
sw1[0] = (wchar_t) va_arg(args, int);
sw1[1] = 0;
str = stringw(str, end, (wchar_t *)&sw1, -1, field_width, precision, flags);
} else {
char s1[2];
/* print ascii string */
s1[0] = ( unsigned char) va_arg(args, int);
s1[1] = 0;
str = string(str, end, (char *)&s1, -1, field_width, precision, flags);
}
continue;
case 'C': /* finished */
if (!(flags & LEFT))
while (--field_width > 0) {
if (str <= end)
*str = ' ';
++str;
}
if (qualifier == 'h') {
if (str <= end)
*str = (unsigned char) va_arg(args, int);
++str;
} else {
if (str <= end)
*str = (unsigned char)(wchar_t) va_arg(args, int);
++str;
}
while (--field_width > 0) {
if (str <= end)
*str = ' ';
++str;
}
continue;
case 's': /* finished */
if (qualifier == 'l' || qualifier == 'w') {
/* print unicode string */
sw = va_arg(args, wchar_t *);
str = stringw(str, end, sw, -1, field_width, precision, flags);
} else {
/* print ascii string */
s = va_arg(args, char *);
str = string(str, end, s, -1, field_width, precision, flags);
}
continue;
case 'S':
if (qualifier == 'h') {
/* print ascii string */
s = va_arg(args, char *);
str = string(str, end, s, -1, field_width, precision, flags);
} else {
/* print unicode string */
sw = va_arg(args, wchar_t *);
str = stringw(str, end, sw, -1, field_width, precision, flags);
}
continue;
case 'Z':
if (qualifier == 'w') {
/* print counted unicode string */
PUNICODE_STRING pus = va_arg(args, PUNICODE_STRING);
if ((pus == NULL) || (pus->Buffer == NULL)) {
sw = NULL;
len = -1;
} else {
sw = pus->Buffer;
len = pus->Length / sizeof(WCHAR);
}
str = stringw(str, end, sw, len, field_width, precision, flags);
} else {
/* print counted ascii string */
PANSI_STRING pus = va_arg(args, PANSI_STRING);
if ((pus == NULL) || (pus->Buffer == NULL)) {
s = NULL;
len = -1;
} else {
s = pus->Buffer;
len = pus->Length;
}
str = string(str, end, s, len, field_width, precision, flags);
}
continue;
case 'p':
if ((flags & LARGE) == 0)
flags |= LARGE;
if (field_width == -1) {
field_width = 2 * sizeof(void *);
flags |= ZEROPAD;
}
str = number(str, end,
(ULONG_PTR) va_arg(args, void *), 16,
field_width, precision, flags);
continue;
case 'n':
/* FIXME: What does C99 say about the overflow case here? */
if (qualifier == 'l') {
long * ip = va_arg(args, long *);
*ip = (str - buf);
} else {
int * ip = va_arg(args, int *);
*ip = (str - buf);
}
continue;
/* float number formats - set up the flags and "break" */
case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
_double = (double)va_arg(args, double);
if ( _isnan(_double) ) {
s = "Nan";
len = 3;
while ( len > 0 ) {
if (str <= end)
*str = *s++;
++str;
len --;
}
} else if ( _isinf(_double) < 0 ) {
s = "-Inf";
len = 4;
while ( len > 0 ) {
if (str <= end)
*str = *s++;
++str;
len --;
}
} else if ( _isinf(_double) > 0 ) {
s = "+Inf";
len = 4;
while ( len > 0 ) {
if (str <= end)
*str = *s++;
++str;
len --;
}
} else {
if ( precision == -1 )
precision = 6;
str = numberf(str, end, (int)_double, base, field_width, precision, flags);
}
continue;
/* integer number formats - set up the flags and "break" */
case 'o':
base = 8;
break;
case 'b':
base = 2;
break;
case 'X':
flags |= LARGE;
case 'x':
base = 16;
break;
case 'd':
case 'i':
flags |= SIGN;
case 'u':
break;
default:
if (*fmt) {
if (str <= end)
*str = *fmt;
++str;
} else
--fmt;
continue;
}
if (qualifier == 'I')
num = va_arg(args, unsigned long long);
else if (qualifier == 'l') {
if (flags & SIGN)
num = va_arg(args, long);
else
num = va_arg(args, unsigned long);
}
else if (qualifier == 'h') {
if (flags & SIGN)
num = va_arg(args, int);
else
num = va_arg(args, unsigned int);
}
else {
if (flags & SIGN)
num = va_arg(args, int);
else
num = va_arg(args, unsigned int);
}
str = number(str, end, num, base, field_width, precision, flags);
}
if (str <= end)
*str = '\0';
else if (cnt > 0)
/* don't write out a null byte if the buf size is zero */
*end = '\0';
return str-buf;
}
/*
* @implemented
*/
int sprintf(char * buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=_vsnprintf(buf,MAXLONG,fmt,args);
va_end(args);
return i;
}
/*
* @implemented
*/
int _snprintf(char * buf, size_t cnt, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=_vsnprintf(buf,cnt,fmt,args);
va_end(args);
return i;
}
/*
* @implemented
*/
int __cdecl vsprintf(char *buf, const char *fmt, va_list args)
{
return _vsnprintf(buf,MAXLONG,fmt,args);
}
/* EOF */