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wine/dlls/gdi/freetype.c
Alexandre Julliard 78b041cf52 Better encapsulation of the font and metafile objects.
2002-06-04 01:02:51 +00:00

1863 lines
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/*
* FreeType font engine interface
*
* Copyright 2001 Huw D M Davies for CodeWeavers.
*
* This file contains the WineEng* functions.
*
* 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
*/
#include "config.h"
#include "windef.h"
#include "winerror.h"
#include "winreg.h"
#include "wingdi.h"
#include "wine/unicode.h"
#include "wine/port.h"
#include "wine/debug.h"
#include "gdi.h"
#include "font.h"
#include <stdlib.h>
#include <sys/stat.h>
#include <string.h>
#include <dirent.h>
#include <stdio.h>
#include <assert.h>
WINE_DEFAULT_DEBUG_CHANNEL(font);
#ifdef HAVE_FREETYPE
#ifdef HAVE_FREETYPE_FREETYPE_H
#include <freetype/freetype.h>
#endif
#ifdef HAVE_FREETYPE_FTGLYPH_H
#include <freetype/ftglyph.h>
#endif
#ifdef HAVE_FREETYPE_TTTABLES_H
#include <freetype/tttables.h>
#endif
#ifdef HAVE_FREETYPE_FTSNAMES_H
#include <freetype/ftsnames.h>
#else
# ifdef HAVE_FREETYPE_FTNAMES_H
# include <freetype/ftnames.h>
# endif
#endif
#ifdef HAVE_FREETYPE_TTNAMEID_H
#include <freetype/ttnameid.h>
#endif
#ifdef HAVE_FREETYPE_FTOUTLN_H
#include <freetype/ftoutln.h>
#endif
#ifdef HAVE_FREETYPE_INTERNAL_SFNT_H
#include <freetype/internal/sfnt.h>
#endif
#ifdef HAVE_FREETYPE_FTTRIGON_H
#include <freetype/fttrigon.h>
#endif
#ifndef SONAME_LIBFREETYPE
#define SONAME_LIBFREETYPE "libfreetype.so"
#endif
static FT_Library library = 0;
static void *ft_handle = NULL;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL;
MAKE_FUNCPTR(FT_Cos)
MAKE_FUNCPTR(FT_Done_Face)
MAKE_FUNCPTR(FT_Get_Char_Index)
MAKE_FUNCPTR(FT_Get_Sfnt_Table)
MAKE_FUNCPTR(FT_Init_FreeType)
MAKE_FUNCPTR(FT_Load_Glyph)
MAKE_FUNCPTR(FT_MulFix)
MAKE_FUNCPTR(FT_New_Face)
MAKE_FUNCPTR(FT_Outline_Get_Bitmap)
MAKE_FUNCPTR(FT_Outline_Transform)
MAKE_FUNCPTR(FT_Outline_Translate)
MAKE_FUNCPTR(FT_Select_Charmap)
MAKE_FUNCPTR(FT_Set_Pixel_Sizes)
MAKE_FUNCPTR(FT_Sin)
MAKE_FUNCPTR(FT_Vector_Rotate)
#undef MAKE_FUNCPTR
#define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
typedef struct tagFace {
WCHAR *StyleName;
char *file;
BOOL Italic;
BOOL Bold;
DWORD fsCsb[2]; /* codepage bitfield from FONTSIGNATURE */
struct tagFace *next;
} Face;
typedef struct tagFamily {
WCHAR *FamilyName;
Face *FirstFace;
struct tagFamily *next;
} Family;
typedef struct {
GLYPHMETRICS gm;
INT adv; /* These three hold to widths of the unrotated chars */
INT lsb;
INT bbx;
BOOL init;
} GM;
struct tagGdiFont {
FT_Face ft_face;
int charset;
BOOL fake_italic;
BOOL fake_bold;
INT orientation;
GM *gm;
DWORD gmsize;
HFONT hfont;
SHORT yMax;
SHORT yMin;
struct tagGdiFont *next;
};
#define INIT_GM_SIZE 128
static GdiFont GdiFontList = NULL;
static Family *FontList = NULL;
static WCHAR defSerif[] = {'T','i','m','e','s',' ','N','e','w',' ',
'R','o','m','a','n','\0'};
static WCHAR defSans[] = {'A','r','i','a','l','\0'};
static WCHAR defFixed[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
static WCHAR defSystem[] = {'A','r','i','a','l','\0'};
static WCHAR SystemW[] = {'S','y','s','t','e','m','\0'};
static WCHAR MSSansSerifW[] = {'M','S',' ','S','a','n','s',' ',
'S','e','r','i','f','\0'};
static WCHAR HelvW[] = {'H','e','l','v','\0'};
static WCHAR ArabicW[] = {'A','r','a','b','i','c','\0'};
static WCHAR BalticW[] = {'B','a','l','t','i','c','\0'};
static WCHAR Central_EuropeanW[] = {'C','e','n','t','r','a','l',' ',
'E','u','r','o','p','e','a','n','\0'};
static WCHAR CyrillicW[] = {'C','y','r','i','l','l','i','c','\0'};
static WCHAR GreekW[] = {'G','r','e','e','k','\0'};
static WCHAR HebrewW[] = {'H','e','b','r','e','w','\0'};
static WCHAR SymbolW[] = {'S','y','m','b','o','l','\0'};
static WCHAR ThaiW[] = {'T','h','a','i','\0'};
static WCHAR TurkishW[] = {'T','u','r','k','i','s','h','\0'};
static WCHAR VietnameseW[] = {'V','i','e','t','n','a','m','e','s','e','\0'};
static WCHAR WesternW[] = {'W','e','s','t','e','r','n','\0'};
static WCHAR *ElfScriptsW[32] = { /* these are in the order of the fsCsb[0] bits */
WesternW, /*00*/
Central_EuropeanW,
CyrillicW,
GreekW,
TurkishW,
HebrewW,
ArabicW,
BalticW,
VietnameseW, /*08*/
NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*15*/
ThaiW,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*23*/
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
SymbolW /*31*/
};
typedef struct {
WCHAR *name;
INT charset;
} NameCs;
typedef struct tagFontSubst {
NameCs from;
NameCs to;
struct tagFontSubst *next;
} FontSubst;
static FontSubst *substlist = NULL;
static BOOL AddFontFileToList(char *file)
{
FT_Face ft_face;
TT_OS2 *pOS2;
WCHAR *FamilyW, *StyleW;
DWORD len;
Family *family = FontList;
Family **insert = &FontList;
Face **insertface;
FT_Error err;
int i;
TRACE("Loading font file %s\n", debugstr_a(file));
if((err = pFT_New_Face(library, file, 0, &ft_face)) != 0) {
ERR("Unable to load font file %s err = %x\n", debugstr_a(file), err);
return FALSE;
}
if(!FT_IS_SFNT(ft_face)) { /* for now we'll skip everything but TT/OT */
pFT_Done_Face(ft_face);
return FALSE;
}
len = MultiByteToWideChar(CP_ACP, 0, ft_face->family_name, -1, NULL, 0);
FamilyW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, ft_face->family_name, -1, FamilyW, len);
while(family) {
if(!strcmpW(family->FamilyName, FamilyW))
break;
insert = &family->next;
family = family->next;
}
if(!family) {
family = *insert = HeapAlloc(GetProcessHeap(), 0, sizeof(*family));
family->FamilyName = FamilyW;
family->FirstFace = NULL;
family->next = NULL;
} else {
HeapFree(GetProcessHeap(), 0, FamilyW);
}
len = MultiByteToWideChar(CP_ACP, 0, ft_face->style_name, -1, NULL, 0);
StyleW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, ft_face->style_name, -1, StyleW, len);
for(insertface = &family->FirstFace; *insertface;
insertface = &(*insertface)->next) {
if(!strcmpW((*insertface)->StyleName, StyleW)) {
WARN("Already loaded font %s %s\n", debugstr_w(family->FamilyName),
debugstr_w(StyleW));
HeapFree(GetProcessHeap(), 0, StyleW);
pFT_Done_Face(ft_face);
return FALSE;
}
}
*insertface = HeapAlloc(GetProcessHeap(), 0, sizeof(**insertface));
(*insertface)->StyleName = StyleW;
(*insertface)->file = HeapAlloc(GetProcessHeap(),0,strlen(file)+1);
strcpy((*insertface)->file, file);
(*insertface)->next = NULL;
(*insertface)->Italic = (ft_face->style_flags & FT_STYLE_FLAG_ITALIC) ? 1 : 0;
(*insertface)->Bold = (ft_face->style_flags & FT_STYLE_FLAG_BOLD) ? 1 : 0;
pOS2 = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_os2);
if(pOS2) {
(*insertface)->fsCsb[0] = pOS2->ulCodePageRange1;
(*insertface)->fsCsb[1] = pOS2->ulCodePageRange2;
} else {
(*insertface)->fsCsb[0] = (*insertface)->fsCsb[1] = 0;
}
TRACE("fsCsb = %08lx %08lx\n", (*insertface)->fsCsb[0], (*insertface)->fsCsb[1]);
if((*insertface)->fsCsb[0] == 0) { /* let's see if we can find any interesting cmaps */
for(i = 0; i < ft_face->num_charmaps &&
!(*insertface)->fsCsb[0]; i++) {
switch(ft_face->charmaps[i]->encoding) {
case ft_encoding_unicode:
(*insertface)->fsCsb[0] = 1;
break;
case ft_encoding_symbol:
(*insertface)->fsCsb[0] = 1L << 31;
break;
default:
break;
}
}
}
pFT_Done_Face(ft_face);
TRACE("Added font %s %s\n", debugstr_w(family->FamilyName),
debugstr_w(StyleW));
return TRUE;
}
static void DumpFontList(void)
{
Family *family;
Face *face;
for(family = FontList; family; family = family->next) {
TRACE("Family: %s\n", debugstr_w(family->FamilyName));
for(face = family->FirstFace; face; face = face->next) {
TRACE("\t%s\n", debugstr_w(face->StyleName));
}
}
return;
}
static void DumpSubstList(void)
{
FontSubst *psub;
for(psub = substlist; psub; psub = psub->next)
if(psub->from.charset != -1 || psub->to.charset != -1)
TRACE("%s:%d -> %s:%d\n", debugstr_w(psub->from.name),
psub->from.charset, debugstr_w(psub->to.name), psub->to.charset);
else
TRACE("%s -> %s\n", debugstr_w(psub->from.name),
debugstr_w(psub->to.name));
return;
}
static void split_subst_info(NameCs *nc, LPSTR str)
{
CHAR *p = strrchr(str, ',');
DWORD len;
nc->charset = -1;
if(p && *(p+1)) {
nc->charset = strtol(p+1, NULL, 10);
*p = '\0';
}
len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
nc->name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, str, -1, nc->name, len);
}
static void LoadSubstList(void)
{
FontSubst *psub, **ppsub;
HKEY hkey;
DWORD valuelen, datalen, i = 0, type, dlen, vlen;
LPSTR value;
LPVOID data;
if(substlist) {
for(psub = substlist; psub;) {
FontSubst *ptmp;
HeapFree(GetProcessHeap(), 0, psub->to.name);
HeapFree(GetProcessHeap(), 0, psub->from.name);
ptmp = psub;
psub = psub->next;
HeapFree(GetProcessHeap(), 0, ptmp);
}
substlist = NULL;
}
if(RegOpenKeyA(HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes",
&hkey) == ERROR_SUCCESS) {
RegQueryInfoKeyA(hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&valuelen, &datalen, NULL, NULL);
valuelen++; /* returned value doesn't include room for '\0' */
value = HeapAlloc(GetProcessHeap(), 0, valuelen * sizeof(CHAR));
data = HeapAlloc(GetProcessHeap(), 0, datalen);
dlen = datalen;
vlen = valuelen;
ppsub = &substlist;
while(RegEnumValueA(hkey, i++, value, &vlen, NULL, &type, data,
&dlen) == ERROR_SUCCESS) {
TRACE("Got %s=%s\n", debugstr_a(value), debugstr_a(data));
*ppsub = HeapAlloc(GetProcessHeap(), 0, sizeof(**ppsub));
(*ppsub)->next = NULL;
split_subst_info(&((*ppsub)->from), value);
split_subst_info(&((*ppsub)->to), data);
/* Win 2000 doesn't allow mapping between different charsets
or mapping of DEFAULT_CHARSET */
if(((*ppsub)->to.charset != (*ppsub)->from.charset) ||
(*ppsub)->to.charset == DEFAULT_CHARSET) {
HeapFree(GetProcessHeap(), 0, (*ppsub)->to.name);
HeapFree(GetProcessHeap(), 0, (*ppsub)->from.name);
HeapFree(GetProcessHeap(), 0, *ppsub);
} else {
ppsub = &((*ppsub)->next);
}
/* reset dlen and vlen */
dlen = datalen;
vlen = valuelen;
}
HeapFree(GetProcessHeap(), 0, data);
HeapFree(GetProcessHeap(), 0, value);
RegCloseKey(hkey);
}
}
static BOOL ReadFontDir(char *dirname)
{
DIR *dir;
struct dirent *dent;
char path[MAX_PATH];
TRACE("Loading fonts from %s\n", debugstr_a(dirname));
dir = opendir(dirname);
if(!dir) {
ERR("Can't open directory %s\n", debugstr_a(dirname));
return FALSE;
}
while((dent = readdir(dir)) != NULL) {
struct stat statbuf;
if(!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
TRACE("Found %s in %s\n", debugstr_a(dent->d_name), debugstr_a(dirname));
sprintf(path, "%s/%s", dirname, dent->d_name);
if(stat(path, &statbuf) == -1)
{
WARN("Can't stat %s\n", debugstr_a(path));
continue;
}
if(S_ISDIR(statbuf.st_mode))
ReadFontDir(path);
else
AddFontFileToList(path);
}
return TRUE;
}
/*************************************************************
* WineEngInit
*
* Initialize FreeType library and create a list of available faces
*/
BOOL WineEngInit(void)
{
HKEY hkey;
DWORD valuelen, datalen, i = 0, type, dlen, vlen;
LPSTR value;
LPVOID data;
char windowsdir[MAX_PATH];
char unixname[MAX_PATH];
TRACE("\n");
ft_handle = wine_dlopen(SONAME_LIBFREETYPE, RTLD_NOW, NULL, 0);
if(!ft_handle) {
WINE_MESSAGE(
"Wine cannot find the FreeType font library. To enable Wine to\n"
"use TrueType fonts please install a version of FreeType greater than\n"
"or equal to 2.0.5.\n"
"http://www.freetype.org\n");
return FALSE;
}
#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(ft_handle, #f, NULL, 0)) == NULL){WARN("Can't find symbol %s\n", #f); goto sym_not_found;}
LOAD_FUNCPTR(FT_Cos)
LOAD_FUNCPTR(FT_Done_Face)
LOAD_FUNCPTR(FT_Get_Char_Index)
LOAD_FUNCPTR(FT_Get_Sfnt_Table)
LOAD_FUNCPTR(FT_Init_FreeType)
LOAD_FUNCPTR(FT_Load_Glyph)
LOAD_FUNCPTR(FT_MulFix)
LOAD_FUNCPTR(FT_New_Face)
LOAD_FUNCPTR(FT_Outline_Get_Bitmap)
LOAD_FUNCPTR(FT_Outline_Transform)
LOAD_FUNCPTR(FT_Outline_Translate)
LOAD_FUNCPTR(FT_Select_Charmap)
LOAD_FUNCPTR(FT_Set_Pixel_Sizes)
LOAD_FUNCPTR(FT_Sin)
LOAD_FUNCPTR(FT_Vector_Rotate)
#undef LOAD_FUNCPTR
if(!wine_dlsym(ft_handle, "FT_Get_Postscript_Name", NULL, 0) &&
!wine_dlsym(ft_handle, "FT_Sqrt64", NULL, 0)) {
/* try to avoid 2.0.4: >= 2.0.5 has FT_Get_Postscript_Name and
<= 2.0.3 has FT_Sqrt64 */
goto sym_not_found;
}
if(pFT_Init_FreeType(&library) != 0) {
ERR("Can't init FreeType library\n");
wine_dlclose(ft_handle, NULL, 0);
return FALSE;
}
/* load in the fonts from %WINDOWSDIR%\\Fonts first of all */
GetWindowsDirectoryA(windowsdir, sizeof(windowsdir));
strcat(windowsdir, "\\Fonts");
wine_get_unix_file_name(windowsdir, unixname, sizeof(unixname));
ReadFontDir(unixname);
/* then look in any directories that we've specified in the config file */
if(RegOpenKeyA(HKEY_LOCAL_MACHINE,
"Software\\Wine\\Wine\\Config\\FontDirs",
&hkey) == ERROR_SUCCESS) {
RegQueryInfoKeyA(hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&valuelen, &datalen, NULL, NULL);
valuelen++; /* returned value doesn't include room for '\0' */
value = HeapAlloc(GetProcessHeap(), 0, valuelen);
data = HeapAlloc(GetProcessHeap(), 0, datalen);
dlen = datalen;
vlen = valuelen;
while(RegEnumValueA(hkey, i++, value, &vlen, NULL, &type, data,
&dlen) == ERROR_SUCCESS) {
TRACE("Got %s=%s\n", value, (LPSTR)data);
ReadFontDir((LPSTR)data);
/* reset dlen and vlen */
dlen = datalen;
vlen = valuelen;
}
HeapFree(GetProcessHeap(), 0, data);
HeapFree(GetProcessHeap(), 0, value);
RegCloseKey(hkey);
}
DumpFontList();
LoadSubstList();
DumpSubstList();
return TRUE;
sym_not_found:
WINE_MESSAGE(
"Wine cannot find certain functions that it needs inside the FreeType\n"
"font library. To enable Wine to use TrueType fonts please upgrade\n"
"FreeType to at least version 2.0.5.\n"
"http://www.freetype.org\n");
wine_dlclose(ft_handle, NULL, 0);
return FALSE;
}
static LONG calc_ppem_for_height(FT_Face ft_face, LONG height)
{
TT_OS2 *pOS2;
LONG ppem;
pOS2 = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_os2);
if(height == 0) height = 16;
/* Calc. height of EM square:
*
* For +ve lfHeight we have
* lfHeight = (winAscent + winDescent) * ppem / units_per_em
* Re-arranging gives:
* ppem = units_per_em * lfheight / (winAscent + winDescent)
*
* For -ve lfHeight we have
* |lfHeight| = ppem
* [i.e. |lfHeight| = (winAscent + winDescent - il) * ppem / units_per_em
* with il = winAscent + winDescent - units_per_em]
*
*/
if(height > 0)
ppem = ft_face->units_per_EM * height /
(pOS2->usWinAscent + pOS2->usWinDescent);
else
ppem = -height;
return ppem;
}
static LONG load_VDMX(GdiFont, LONG);
static FT_Face OpenFontFile(GdiFont font, char *file, LONG height)
{
FT_Error err;
FT_Face ft_face;
LONG ppem;
err = pFT_New_Face(library, file, 0, &ft_face);
if(err) {
ERR("FT_New_Face rets %d\n", err);
return 0;
}
/* set it here, as load_VDMX needs it */
font->ft_face = ft_face;
/* load the VDMX table if we have one */
ppem = load_VDMX(font, height);
if(ppem == 0)
ppem = calc_ppem_for_height(ft_face, height);
pFT_Set_Pixel_Sizes(ft_face, 0, ppem);
return ft_face;
}
static int get_nearest_charset(Face *face, int lfcharset)
{
CHARSETINFO csi;
TranslateCharsetInfo((DWORD*)lfcharset, &csi, TCI_SRCCHARSET);
if(csi.fs.fsCsb[0] & face->fsCsb[0]) return lfcharset;
if(face->fsCsb[0] & 0x1) return ANSI_CHARSET;
if(face->fsCsb[0] & (1L << 31)) return SYMBOL_CHARSET;
FIXME("returning DEFAULT_CHARSET face->fsCsb[0] = %08lx file = %s\n",
face->fsCsb[0], face->file);
return DEFAULT_CHARSET;
}
static GdiFont alloc_font(void)
{
GdiFont ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret));
ret->gmsize = INIT_GM_SIZE;
ret->gm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
ret->gmsize * sizeof(*ret->gm));
ret->next = NULL;
return ret;
}
static void free_font(GdiFont font)
{
if (font->ft_face) pFT_Done_Face(font->ft_face);
HeapFree(GetProcessHeap(), 0, font->gm);
HeapFree(GetProcessHeap(), 0, font);
}
/*************************************************************
* load_VDMX
*
* load the vdmx entry for the specified height
*/
#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (FT_ULong)_x4 << 24 ) | \
( (FT_ULong)_x3 << 16 ) | \
( (FT_ULong)_x2 << 8 ) | \
(FT_ULong)_x1 )
#define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
typedef struct {
BYTE bCharSet;
BYTE xRatio;
BYTE yStartRatio;
BYTE yEndRatio;
} Ratios;
static LONG load_VDMX(GdiFont font, LONG height)
{
BYTE hdr[6], tmp[2], group[4];
BYTE devXRatio, devYRatio;
USHORT numRecs, numRatios;
DWORD offset = -1;
LONG ppem = 0;
int i, result;
result = WineEngGetFontData(font, MS_VDMX_TAG, 0, hdr, 6);
if(result == GDI_ERROR) /* no vdmx table present, use linear scaling */
return ppem;
/* FIXME: need the real device aspect ratio */
devXRatio = 1;
devYRatio = 1;
numRecs = GET_BE_WORD(&hdr[2]);
numRatios = GET_BE_WORD(&hdr[4]);
TRACE("numRecs = %d numRatios = %d\n", numRecs, numRatios);
for(i = 0; i < numRatios; i++) {
Ratios ratio;
offset = (3 * 2) + (i * sizeof(Ratios));
WineEngGetFontData(font, MS_VDMX_TAG, offset, &ratio, sizeof(Ratios));
offset = -1;
TRACE("Ratios[%d] %d %d : %d -> %d\n", i, ratio.bCharSet, ratio.xRatio, ratio.yStartRatio, ratio.yEndRatio);
if(ratio.bCharSet != 1)
continue;
if((ratio.xRatio == 0 &&
ratio.yStartRatio == 0 &&
ratio.yEndRatio == 0) ||
(devXRatio == ratio.xRatio &&
devYRatio >= ratio.yStartRatio &&
devYRatio <= ratio.yEndRatio))
{
offset = (3 * 2) + (numRatios * 4) + (i * 2);
WineEngGetFontData(font, MS_VDMX_TAG, offset, tmp, 2);
offset = GET_BE_WORD(tmp);
break;
}
}
if(offset < 0) {
FIXME("No suitable ratio found\n");
return ppem;
}
if(WineEngGetFontData(font, MS_VDMX_TAG, offset, group, 4) != GDI_ERROR) {
USHORT recs;
BYTE startsz, endsz;
BYTE *vTable;
recs = GET_BE_WORD(group);
startsz = group[2];
endsz = group[3];
TRACE("recs=%d startsz=%d endsz=%d\n", recs, startsz, endsz);
vTable = HeapAlloc(GetProcessHeap(), 0, recs * 6);
result = WineEngGetFontData(font, MS_VDMX_TAG, offset + 4, vTable, recs * 6);
if(result == GDI_ERROR) {
FIXME("Failed to retrieve vTable\n");
goto end;
}
if(height > 0) {
for(i = 0; i < recs; i++) {
SHORT yMax = GET_BE_WORD(&vTable[(i * 6) + 2]);
SHORT yMin = GET_BE_WORD(&vTable[(i * 6) + 4]);
ppem = GET_BE_WORD(&vTable[i * 6]);
if(yMax + -yMin == height) {
font->yMax = yMax;
font->yMin = yMin;
TRACE("ppem %ld found; height=%ld yMax=%d yMin=%d\n", ppem, height, font->yMax, font->yMin);
break;
}
if(yMax + -yMin > height) {
if(--i < 0) {
ppem = 0;
goto end; /* failed */
}
font->yMax = GET_BE_WORD(&vTable[(i * 6) + 2]);
font->yMin = GET_BE_WORD(&vTable[(i * 6) + 4]);
TRACE("ppem %ld found; height=%ld yMax=%d yMin=%d\n", ppem, height, font->yMax, font->yMin);
break;
}
}
if(!font->yMax) {
ppem = 0;
TRACE("ppem not found for height %ld\n", height);
}
} else {
ppem = -height;
if(ppem < startsz || ppem > endsz)
goto end;
for(i = 0; i < recs; i++) {
USHORT yPelHeight;
yPelHeight = GET_BE_WORD(&vTable[i * 6]);
if(yPelHeight > ppem)
break; /* failed */
if(yPelHeight == ppem) {
font->yMax = GET_BE_WORD(&vTable[(i * 6) + 2]);
font->yMin = GET_BE_WORD(&vTable[(i * 6) + 4]);
TRACE("ppem %ld found; yMax=%d yMin=%d\n", ppem, font->yMax, font->yMin);
break;
}
}
}
end:
HeapFree(GetProcessHeap(), 0, vTable);
}
return ppem;
}
/*************************************************************
* WineEngCreateFontInstance
*
*/
GdiFont WineEngCreateFontInstance(DC *dc, HFONT hfont)
{
GdiFont ret;
Face *face;
Family *family = NULL;
BOOL bd, it;
LOGFONTW lf;
if (!GetObjectW( hfont, sizeof(lf), &lf )) return NULL;
TRACE("%s, h=%ld, it=%d, weight=%ld, PandF=%02x, charset=%d orient %ld escapement %ld\n",
debugstr_w(lf.lfFaceName), lf.lfHeight, lf.lfItalic,
lf.lfWeight, lf.lfPitchAndFamily, lf.lfCharSet, lf.lfOrientation,
lf.lfEscapement);
/* check the cache first */
for(ret = GdiFontList; ret; ret = ret->next) {
if(ret->hfont == hfont) {
TRACE("returning cached gdiFont(%p) for hFont %x\n", ret, hfont);
return ret;
}
}
if(!FontList) /* No fonts installed */
{
TRACE("No fonts installed\n");
return NULL;
}
ret = alloc_font();
if(lf.lfFaceName[0] != '\0') {
FontSubst *psub;
for(psub = substlist; psub; psub = psub->next)
if(!strcmpiW(lf.lfFaceName, psub->from.name) &&
(psub->from.charset == -1 ||
psub->from.charset == lf.lfCharSet))
break;
if(psub) {
TRACE("substituting %s -> %s\n", debugstr_w(lf.lfFaceName),
debugstr_w(psub->to.name));
strcpyW(lf.lfFaceName, psub->to.name);
}
for(family = FontList; family; family = family->next) {
if(!strcmpiW(family->FamilyName, lf.lfFaceName))
break;
}
if(!family) { /* do other aliases here */
if(!strcmpiW(lf.lfFaceName, SystemW))
strcpyW(lf.lfFaceName, defSystem);
else if(!strcmpiW(lf.lfFaceName, MSSansSerifW))
strcpyW(lf.lfFaceName, defSans);
else if(!strcmpiW(lf.lfFaceName, HelvW))
strcpyW(lf.lfFaceName, defSans);
else
goto not_found;
for(family = FontList; family; family = family->next) {
if(!strcmpiW(family->FamilyName, lf.lfFaceName))
break;
}
}
}
not_found:
if(!family) {
if(lf.lfPitchAndFamily & FIXED_PITCH ||
lf.lfPitchAndFamily & FF_MODERN)
strcpyW(lf.lfFaceName, defFixed);
else if(lf.lfPitchAndFamily & FF_ROMAN)
strcpyW(lf.lfFaceName, defSerif);
else if(lf.lfPitchAndFamily & FF_SWISS)
strcpyW(lf.lfFaceName, defSans);
else
strcpyW(lf.lfFaceName, defSans);
for(family = FontList; family; family = family->next) {
if(!strcmpiW(family->FamilyName, lf.lfFaceName))
break;
}
}
if(!family) {
family = FontList;
FIXME("just using first face for now\n");
}
it = lf.lfItalic ? 1 : 0;
bd = lf.lfWeight > 550 ? 1 : 0;
for(face = family->FirstFace; face; face = face->next) {
if(!(face->Italic ^ it) && !(face->Bold ^ bd))
break;
}
if(!face) {
face = family->FirstFace;
if(it && !face->Italic) ret->fake_italic = TRUE;
if(bd && !face->Bold) ret->fake_bold = TRUE;
}
ret->charset = get_nearest_charset(face, lf.lfCharSet);
TRACE("Choosen %s %s\n", debugstr_w(family->FamilyName),
debugstr_w(face->StyleName));
ret->ft_face = OpenFontFile(ret, face->file,
INTERNAL_YWSTODS(dc,lf.lfHeight));
if (!ret->ft_face)
{
free_font( ret );
return 0;
}
if(ret->charset == SYMBOL_CHARSET)
pFT_Select_Charmap(ret->ft_face, ft_encoding_symbol);
ret->orientation = lf.lfOrientation;
TRACE("caching: gdiFont=%p hfont=%x\n", ret, hfont);
ret->hfont = hfont;
ret->next = GdiFontList;
GdiFontList = ret;
return ret;
}
static void DumpGdiFontList(void)
{
GdiFont gdiFont;
TRACE("---------- gdiFont Cache ----------\n");
for(gdiFont = GdiFontList; gdiFont; gdiFont = gdiFont->next) {
LOGFONTW lf;
GetObjectW( gdiFont->hfont, sizeof(lf), &lf );
TRACE("gdiFont=%p hfont=%x (%s)\n",
gdiFont, gdiFont->hfont, debugstr_w(lf.lfFaceName));
}
}
/*************************************************************
* WineEngDestroyFontInstance
*
* free the gdiFont associated with this handle
*
*/
BOOL WineEngDestroyFontInstance(HFONT handle)
{
GdiFont gdiFont;
GdiFont gdiPrev = NULL;
TRACE("destroying hfont=%x\n", handle);
if(TRACE_ON(font))
DumpGdiFontList();
for(gdiFont = GdiFontList; gdiFont; gdiFont = gdiFont->next) {
if(gdiFont->hfont == handle) {
if(gdiPrev)
gdiPrev->next = gdiFont->next;
else
GdiFontList = gdiFont->next;
free_font(gdiFont);
return TRUE;
}
gdiPrev = gdiFont;
}
return FALSE;
}
static void GetEnumStructs(Face *face, LPENUMLOGFONTEXW pelf,
LPNEWTEXTMETRICEXW pntm, LPDWORD ptype)
{
OUTLINETEXTMETRICW *potm;
UINT size;
GdiFont font = alloc_font();
if (!(font->ft_face = OpenFontFile(font, face->file, 100)))
{
free_font(font);
return;
}
memset(&pelf->elfLogFont, 0, sizeof(LOGFONTW));
size = WineEngGetOutlineTextMetrics(font, 0, NULL);
potm = HeapAlloc(GetProcessHeap(), 0, size);
WineEngGetOutlineTextMetrics(font, size, potm);
#define TM potm->otmTextMetrics
pntm->ntmTm.tmHeight = pelf->elfLogFont.lfHeight = TM.tmHeight;
pntm->ntmTm.tmAscent = TM.tmAscent;
pntm->ntmTm.tmDescent = TM.tmDescent;
pntm->ntmTm.tmInternalLeading = TM.tmInternalLeading;
pntm->ntmTm.tmExternalLeading = TM.tmExternalLeading;
pntm->ntmTm.tmAveCharWidth = pelf->elfLogFont.lfWidth = TM.tmAveCharWidth;
pntm->ntmTm.tmMaxCharWidth = TM.tmMaxCharWidth;
pntm->ntmTm.tmWeight = pelf->elfLogFont.lfWeight = TM.tmWeight;
pntm->ntmTm.tmOverhang = TM.tmOverhang;
pntm->ntmTm.tmDigitizedAspectX = TM.tmDigitizedAspectX;
pntm->ntmTm.tmDigitizedAspectY = TM.tmDigitizedAspectY;
pntm->ntmTm.tmFirstChar = TM.tmFirstChar;
pntm->ntmTm.tmLastChar = TM.tmLastChar;
pntm->ntmTm.tmDefaultChar = TM.tmDefaultChar;
pntm->ntmTm.tmBreakChar = TM.tmBreakChar;
pntm->ntmTm.tmItalic = pelf->elfLogFont.lfItalic = TM.tmItalic;
pntm->ntmTm.tmUnderlined = pelf->elfLogFont.lfUnderline = TM.tmUnderlined;
pntm->ntmTm.tmStruckOut = pelf->elfLogFont.lfStrikeOut = TM.tmStruckOut;
pntm->ntmTm.tmPitchAndFamily = TM.tmPitchAndFamily;
pelf->elfLogFont.lfPitchAndFamily = (TM.tmPitchAndFamily & 0xf1) + 1;
pntm->ntmTm.tmCharSet = pelf->elfLogFont.lfCharSet = TM.tmCharSet;
pelf->elfLogFont.lfOutPrecision = OUT_STROKE_PRECIS;
pelf->elfLogFont.lfClipPrecision = CLIP_STROKE_PRECIS;
pelf->elfLogFont.lfQuality = DRAFT_QUALITY;
pntm->ntmTm.ntmFlags = TM.tmItalic ? NTM_ITALIC : 0;
if(TM.tmWeight > 550) pntm->ntmTm.ntmFlags |= NTM_BOLD;
if(pntm->ntmTm.ntmFlags == 0) pntm->ntmTm.ntmFlags = NTM_REGULAR;
pntm->ntmTm.ntmSizeEM = potm->otmEMSquare;
pntm->ntmTm.ntmCellHeight = 0;
pntm->ntmTm.ntmAvgWidth = 0;
*ptype = TM.tmPitchAndFamily & TMPF_TRUETYPE ? TRUETYPE_FONTTYPE : 0;
if(!(TM.tmPitchAndFamily & TMPF_VECTOR))
*ptype |= RASTER_FONTTYPE;
#undef TM
memset(&pntm->ntmFontSig, 0, sizeof(FONTSIGNATURE));
strncpyW(pelf->elfLogFont.lfFaceName,
(WCHAR*)((char*)potm + (ptrdiff_t)potm->otmpFamilyName),
LF_FACESIZE);
strncpyW(pelf->elfFullName,
(WCHAR*)((char*)potm + (ptrdiff_t)potm->otmpFaceName),
LF_FULLFACESIZE);
strncpyW(pelf->elfStyle,
(WCHAR*)((char*)potm + (ptrdiff_t)potm->otmpStyleName),
LF_FACESIZE);
pelf->elfScript[0] = '\0'; /* This will get set in WineEngEnumFonts */
HeapFree(GetProcessHeap(), 0, potm);
free_font(font);
return;
}
/*************************************************************
* WineEngEnumFonts
*
*/
DWORD WineEngEnumFonts(LPLOGFONTW plf, DEVICEFONTENUMPROC proc,
LPARAM lparam)
{
Family *family;
Face *face;
ENUMLOGFONTEXW elf;
NEWTEXTMETRICEXW ntm;
DWORD type, ret = 1;
FONTSIGNATURE fs;
CHARSETINFO csi;
int i;
TRACE("facename = %s charset %d\n", debugstr_w(plf->lfFaceName), plf->lfCharSet);
if(plf->lfFaceName[0]) {
for(family = FontList; family; family = family->next) {
if(!strcmpiW(plf->lfFaceName, family->FamilyName)) {
for(face = family->FirstFace; face; face = face->next) {
GetEnumStructs(face, &elf, &ntm, &type);
for(i = 0; i < 32; i++) {
if(face->fsCsb[0] & (1L << i)) {
fs.fsCsb[0] = 1L << i;
fs.fsCsb[1] = 0;
if(!TranslateCharsetInfo(fs.fsCsb, &csi,
TCI_SRCFONTSIG))
csi.ciCharset = DEFAULT_CHARSET;
if(i == 31) csi.ciCharset = SYMBOL_CHARSET;
if(csi.ciCharset != DEFAULT_CHARSET) {
elf.elfLogFont.lfCharSet =
ntm.ntmTm.tmCharSet = csi.ciCharset;
if(ElfScriptsW[i])
strcpyW(elf.elfScript, ElfScriptsW[i]);
else
FIXME("Unknown elfscript for bit %d\n", i);
TRACE("enuming face %s full %s style %s charset %d type %ld script %s it %d weight %ld ntmflags %08lx\n",
debugstr_w(elf.elfLogFont.lfFaceName),
debugstr_w(elf.elfFullName), debugstr_w(elf.elfStyle),
csi.ciCharset, type, debugstr_w(elf.elfScript),
elf.elfLogFont.lfItalic, elf.elfLogFont.lfWeight,
ntm.ntmTm.ntmFlags);
ret = proc(&elf, &ntm, type, lparam);
if(!ret) goto end;
}
}
}
}
}
}
} else {
for(family = FontList; family; family = family->next) {
GetEnumStructs(family->FirstFace, &elf, &ntm, &type);
for(i = 0; i < 32; i++) {
if(family->FirstFace->fsCsb[0] & (1L << i)) {
fs.fsCsb[0] = 1L << i;
fs.fsCsb[1] = 0;
if(!TranslateCharsetInfo(fs.fsCsb, &csi,
TCI_SRCFONTSIG))
csi.ciCharset = DEFAULT_CHARSET;
if(i == 31) csi.ciCharset = SYMBOL_CHARSET;
if(csi.ciCharset != DEFAULT_CHARSET) {
elf.elfLogFont.lfCharSet = ntm.ntmTm.tmCharSet =
csi.ciCharset;
if(ElfScriptsW[i])
strcpyW(elf.elfScript, ElfScriptsW[i]);
else
FIXME("Unknown elfscript for bit %d\n", i);
TRACE("enuming face %s full %s style %s charset = %d type %ld script %s it %d weight %ld ntmflags %08lx\n",
debugstr_w(elf.elfLogFont.lfFaceName),
debugstr_w(elf.elfFullName), debugstr_w(elf.elfStyle),
csi.ciCharset, type, debugstr_w(elf.elfScript),
elf.elfLogFont.lfItalic, elf.elfLogFont.lfWeight,
ntm.ntmTm.ntmFlags);
ret = proc(&elf, &ntm, type, lparam);
if(!ret) goto end;
}
}
}
}
}
end:
return ret;
}
static void FTVectorToPOINTFX(FT_Vector *vec, POINTFX *pt)
{
pt->x.value = vec->x >> 6;
pt->x.fract = (vec->x & 0x3f) << 10;
pt->x.fract |= ((pt->x.fract >> 6) | (pt->x.fract >> 12));
pt->y.value = vec->y >> 6;
pt->y.fract = (vec->y & 0x3f) << 10;
pt->y.fract |= ((pt->y.fract >> 6) | (pt->y.fract >> 12));
return;
}
static FT_UInt get_glyph_index(GdiFont font, UINT glyph)
{
if(font->charset == SYMBOL_CHARSET && glyph < 0x100)
glyph = glyph + 0xf000;
return pFT_Get_Char_Index(font->ft_face, glyph);
}
/*************************************************************
* WineEngGetGlyphIndices
*
* FIXME: add support for GGI_MARK_NONEXISTING_GLYPHS
*/
DWORD WineEngGetGlyphIndices(GdiFont font, LPCWSTR lpstr, INT count,
LPWORD pgi, DWORD flags)
{
INT i;
for(i = 0; i < count; i++)
pgi[i] = get_glyph_index(font, lpstr[i]);
return count;
}
/*************************************************************
* WineEngGetGlyphOutline
*
* Behaves in exactly the same way as the win32 api GetGlyphOutline
* except that the first parameter is the HWINEENGFONT of the font in
* question rather than an HDC.
*
*/
DWORD WineEngGetGlyphOutline(GdiFont font, UINT glyph, UINT format,
LPGLYPHMETRICS lpgm, DWORD buflen, LPVOID buf,
const MAT2* lpmat)
{
FT_Face ft_face = font->ft_face;
FT_UInt glyph_index;
DWORD width, height, pitch, needed = 0;
FT_Bitmap ft_bitmap;
FT_Error err;
INT left, right, top = 0, bottom = 0;
FT_Angle angle = 0;
TRACE("%p, %04x, %08x, %p, %08lx, %p, %p\n", font, glyph, format, lpgm,
buflen, buf, lpmat);
if(format & GGO_GLYPH_INDEX) {
glyph_index = glyph;
format &= ~GGO_GLYPH_INDEX;
} else
glyph_index = get_glyph_index(font, glyph);
if(glyph_index >= font->gmsize) {
font->gmsize = (glyph_index / INIT_GM_SIZE + 1) * INIT_GM_SIZE;
font->gm = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, font->gm,
font->gmsize * sizeof(*font->gm));
} else {
if(format == GGO_METRICS && font->gm[glyph_index].init) {
memcpy(lpgm, &font->gm[glyph_index].gm, sizeof(*lpgm));
return 1; /* FIXME */
}
}
err = pFT_Load_Glyph(ft_face, glyph_index, FT_LOAD_DEFAULT);
if(err) {
FIXME("FT_Load_Glyph on index %x returns %d\n", glyph_index, err);
return GDI_ERROR;
}
left = ft_face->glyph->metrics.horiBearingX & -64;
right = ((ft_face->glyph->metrics.horiBearingX +
ft_face->glyph->metrics.width) + 63) & -64;
font->gm[glyph_index].adv = (ft_face->glyph->metrics.horiAdvance + 63) >> 6;
font->gm[glyph_index].lsb = left >> 6;
font->gm[glyph_index].bbx = (right - left) >> 6;
if(font->orientation == 0) {
top = (ft_face->glyph->metrics.horiBearingY + 63) & -64;
bottom = (ft_face->glyph->metrics.horiBearingY -
ft_face->glyph->metrics.height) & -64;
lpgm->gmCellIncX = font->gm[glyph_index].adv;
lpgm->gmCellIncY = 0;
} else {
INT xc, yc;
FT_Vector vec;
angle = font->orientation / 10 << 16;
angle |= ((font->orientation % 10) * (1 << 16)) / 10;
TRACE("angle %ld\n", angle >> 16);
for(xc = 0; xc < 2; xc++) {
for(yc = 0; yc < 2; yc++) {
vec.x = ft_face->glyph->metrics.horiBearingX +
xc * ft_face->glyph->metrics.width;
vec.y = ft_face->glyph->metrics.horiBearingY -
yc * ft_face->glyph->metrics.height;
TRACE("Vec %ld,%ld\n", vec.x, vec.y);
pFT_Vector_Rotate(&vec, angle);
if(xc == 0 && yc == 0) {
left = right = vec.x;
top = bottom = vec.y;
} else {
if(vec.x < left) left = vec.x;
else if(vec.x > right) right = vec.x;
if(vec.y < bottom) bottom = vec.y;
else if(vec.y > top) top = vec.y;
}
}
}
left = left & -64;
right = (right + 63) & -64;
bottom = bottom & -64;
top = (top + 63) & -64;
TRACE("transformed box: (%d,%d - %d,%d)\n", left, top, right, bottom);
vec.x = ft_face->glyph->metrics.horiAdvance;
vec.y = 0;
pFT_Vector_Rotate(&vec, angle);
lpgm->gmCellIncX = (vec.x+63) >> 6;
lpgm->gmCellIncY = -(vec.y+63) >> 6;
}
lpgm->gmBlackBoxX = (right - left) >> 6;
lpgm->gmBlackBoxY = (top - bottom) >> 6;
lpgm->gmptGlyphOrigin.x = left >> 6;
lpgm->gmptGlyphOrigin.y = top >> 6;
memcpy(&font->gm[glyph_index].gm, lpgm, sizeof(*lpgm));
font->gm[glyph_index].init = TRUE;
if(format == GGO_METRICS)
return 1; /* FIXME */
if(ft_face->glyph->format != ft_glyph_format_outline) {
FIXME("loaded a bitmap\n");
return GDI_ERROR;
}
switch(format) {
case GGO_BITMAP:
width = lpgm->gmBlackBoxX;
height = lpgm->gmBlackBoxY;
pitch = (width + 31) / 32 * 4;
needed = pitch * height;
if(!buf || !buflen) break;
ft_bitmap.width = width;
ft_bitmap.rows = height;
ft_bitmap.pitch = pitch;
ft_bitmap.pixel_mode = ft_pixel_mode_mono;
ft_bitmap.buffer = buf;
if(font->orientation) {
FT_Matrix matrix;
matrix.xx = matrix.yy = pFT_Cos(angle);
matrix.xy = -pFT_Sin(angle);
matrix.yx = -matrix.xy;
pFT_Outline_Transform(&ft_face->glyph->outline, &matrix);
}
pFT_Outline_Translate(&ft_face->glyph->outline, -left, -bottom );
/* Note: FreeType will only set 'black' bits for us. */
memset(buf, 0, needed);
pFT_Outline_Get_Bitmap(library, &ft_face->glyph->outline, &ft_bitmap);
break;
case GGO_GRAY2_BITMAP:
case GGO_GRAY4_BITMAP:
case GGO_GRAY8_BITMAP:
case WINE_GGO_GRAY16_BITMAP:
{
int mult, row, col;
BYTE *start, *ptr;
width = lpgm->gmBlackBoxX;
height = lpgm->gmBlackBoxY;
pitch = (width + 3) / 4 * 4;
needed = pitch * height;
if(!buf || !buflen) break;
ft_bitmap.width = width;
ft_bitmap.rows = height;
ft_bitmap.pitch = pitch;
ft_bitmap.pixel_mode = ft_pixel_mode_grays;
ft_bitmap.buffer = buf;
if(font->orientation) {
FT_Matrix matrix;
matrix.xx = matrix.yy = pFT_Cos(angle);
matrix.xy = -pFT_Sin(angle);
matrix.yx = -matrix.xy;
pFT_Outline_Transform(&ft_face->glyph->outline, &matrix);
}
pFT_Outline_Translate(&ft_face->glyph->outline, -left, -bottom );
pFT_Outline_Get_Bitmap(library, &ft_face->glyph->outline, &ft_bitmap);
if(format == GGO_GRAY2_BITMAP)
mult = 5;
else if(format == GGO_GRAY4_BITMAP)
mult = 17;
else if(format == GGO_GRAY8_BITMAP)
mult = 65;
else if(format == WINE_GGO_GRAY16_BITMAP)
break;
else {
assert(0);
break;
}
start = buf;
for(row = 0; row < height; row++) {
ptr = start;
for(col = 0; col < width; col++, ptr++) {
*ptr = (*(unsigned int*)ptr * mult + 128) / 256;
}
start += pitch;
}
break;
}
case GGO_NATIVE:
{
int contour, point = 0, first_pt;
FT_Outline *outline = &ft_face->glyph->outline;
TTPOLYGONHEADER *pph;
TTPOLYCURVE *ppc;
DWORD pph_start, cpfx, type;
if(buflen == 0) buf = NULL;
for(contour = 0; contour < outline->n_contours; contour++) {
pph_start = needed;
pph = buf + needed;
first_pt = point;
if(buf) {
pph->dwType = TT_POLYGON_TYPE;
FTVectorToPOINTFX(&outline->points[point], &pph->pfxStart);
}
needed += sizeof(*pph);
point++;
while(point <= outline->contours[contour]) {
ppc = buf + needed;
type = (outline->tags[point] == FT_Curve_Tag_On) ?
TT_PRIM_LINE : TT_PRIM_QSPLINE;
cpfx = 0;
do {
if(buf)
FTVectorToPOINTFX(&outline->points[point], &ppc->apfx[cpfx]);
cpfx++;
point++;
} while(point <= outline->contours[contour] &&
outline->tags[point] == outline->tags[point-1]);
/* At the end of a contour Windows adds the start point */
if(point > outline->contours[contour]) {
if(buf)
FTVectorToPOINTFX(&outline->points[first_pt], &ppc->apfx[cpfx]);
cpfx++;
} else if(outline->tags[point] == FT_Curve_Tag_On) {
/* add closing pt for bezier */
if(buf)
FTVectorToPOINTFX(&outline->points[point], &ppc->apfx[cpfx]);
cpfx++;
point++;
}
if(buf) {
ppc->wType = type;
ppc->cpfx = cpfx;
}
needed += sizeof(*ppc) + (cpfx - 1) * sizeof(POINTFX);
}
if(buf)
pph->cb = needed - pph_start;
}
break;
}
default:
FIXME("Unsupported format %d\n", format);
return GDI_ERROR;
}
return needed;
}
/*************************************************************
* WineEngGetTextMetrics
*
*/
BOOL WineEngGetTextMetrics(GdiFont font, LPTEXTMETRICW ptm)
{
FT_Face ft_face = font->ft_face;
TT_OS2 *pOS2;
TT_HoriHeader *pHori;
FT_Fixed x_scale, y_scale;
TRACE("font=%p, ptm=%p\n", font, ptm);
x_scale = ft_face->size->metrics.x_scale;
y_scale = ft_face->size->metrics.y_scale;
pOS2 = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_os2);
if(!pOS2) {
FIXME("Can't find OS/2 table - not TT font?\n");
return 0;
}
pHori = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_hhea);
if(!pHori) {
FIXME("Can't find HHEA table - not TT font?\n");
return 0;
}
TRACE("OS/2 winA = %d winD = %d typoA = %d typoD = %d typoLG = %d FT_Face a = %d, d = %d, h = %d: HORZ a = %d, d = %d lg = %d maxY = %ld minY = %ld\n",
pOS2->usWinAscent, pOS2->usWinDescent,
pOS2->sTypoAscender, pOS2->sTypoDescender, pOS2->sTypoLineGap,
ft_face->ascender, ft_face->descender, ft_face->height,
pHori->Ascender, pHori->Descender, pHori->Line_Gap,
ft_face->bbox.yMax, ft_face->bbox.yMin);
if(font->yMax) {
ptm->tmAscent = font->yMax;
ptm->tmDescent = -font->yMin;
ptm->tmInternalLeading = (ptm->tmAscent + ptm->tmDescent) - ft_face->size->metrics.y_ppem;
} else {
ptm->tmAscent = (pFT_MulFix(pOS2->usWinAscent, y_scale) + 32) >> 6;
ptm->tmDescent = (pFT_MulFix(pOS2->usWinDescent, y_scale) + 32) >> 6;
ptm->tmInternalLeading = (pFT_MulFix(pOS2->usWinAscent + pOS2->usWinDescent
- ft_face->units_per_EM, y_scale) + 32) >> 6;
}
ptm->tmHeight = ptm->tmAscent + ptm->tmDescent;
/* MSDN says:
el = MAX(0, LineGap - ((WinAscent + WinDescent) - (Ascender - Descender)))
*/
ptm->tmExternalLeading = max(0, (pFT_MulFix(pHori->Line_Gap -
((pOS2->usWinAscent + pOS2->usWinDescent) -
(pHori->Ascender - pHori->Descender)), y_scale) + 32) >> 6);
ptm->tmAveCharWidth = (pFT_MulFix(pOS2->xAvgCharWidth, x_scale) + 32) >> 6;
ptm->tmMaxCharWidth = (pFT_MulFix(ft_face->bbox.xMax - ft_face->bbox.xMin, x_scale) + 32) >> 6;
ptm->tmWeight = font->fake_bold ? FW_BOLD : pOS2->usWeightClass;
ptm->tmOverhang = 0;
ptm->tmDigitizedAspectX = 300;
ptm->tmDigitizedAspectY = 300;
ptm->tmFirstChar = pOS2->usFirstCharIndex;
ptm->tmLastChar = pOS2->usLastCharIndex;
ptm->tmDefaultChar = pOS2->usDefaultChar;
ptm->tmBreakChar = pOS2->usBreakChar;
ptm->tmItalic = font->fake_italic ? 255 : ((ft_face->style_flags & FT_STYLE_FLAG_ITALIC) ? 255 : 0);
ptm->tmUnderlined = 0; /* entry in OS2 table */
ptm->tmStruckOut = 0; /* entry in OS2 table */
/* Yes TPMF_FIXED_PITCH is correct; braindead api */
if(!FT_IS_FIXED_WIDTH(ft_face))
ptm->tmPitchAndFamily = TMPF_FIXED_PITCH;
else
ptm->tmPitchAndFamily = 0;
switch(pOS2->panose[PAN_FAMILYTYPE_INDEX]) {
case PAN_FAMILY_SCRIPT:
ptm->tmPitchAndFamily |= FF_SCRIPT;
break;
case PAN_FAMILY_DECORATIVE:
case PAN_FAMILY_PICTORIAL:
ptm->tmPitchAndFamily |= FF_DECORATIVE;
break;
case PAN_FAMILY_TEXT_DISPLAY:
if(ptm->tmPitchAndFamily == 0) /* fixed */
ptm->tmPitchAndFamily = FF_MODERN;
else {
switch(pOS2->panose[PAN_SERIFSTYLE_INDEX]) {
case PAN_SERIF_NORMAL_SANS:
case PAN_SERIF_OBTUSE_SANS:
case PAN_SERIF_PERP_SANS:
ptm->tmPitchAndFamily |= FF_SWISS;
break;
default:
ptm->tmPitchAndFamily |= FF_ROMAN;
}
}
break;
default:
ptm->tmPitchAndFamily |= FF_DONTCARE;
}
if(FT_IS_SCALABLE(ft_face))
ptm->tmPitchAndFamily |= TMPF_VECTOR;
if(FT_IS_SFNT(ft_face))
ptm->tmPitchAndFamily |= TMPF_TRUETYPE;
ptm->tmCharSet = font->charset;
return TRUE;
}
/*************************************************************
* WineEngGetOutlineTextMetrics
*
*/
UINT WineEngGetOutlineTextMetrics(GdiFont font, UINT cbSize,
OUTLINETEXTMETRICW *potm)
{
FT_Face ft_face = font->ft_face;
UINT needed, lenfam, lensty, ret;
TT_OS2 *pOS2;
TT_HoriHeader *pHori;
FT_Fixed x_scale, y_scale;
WCHAR *family_nameW, *style_nameW;
WCHAR spaceW[] = {' ', '\0'};
char *cp;
TRACE("font=%p\n", font);
needed = sizeof(*potm);
lenfam = MultiByteToWideChar(CP_ACP, 0, ft_face->family_name, -1, NULL, 0)
* sizeof(WCHAR);
family_nameW = HeapAlloc(GetProcessHeap(), 0, lenfam);
MultiByteToWideChar(CP_ACP, 0, ft_face->family_name, -1,
family_nameW, lenfam);
lensty = MultiByteToWideChar(CP_ACP, 0, ft_face->style_name, -1, NULL, 0)
* sizeof(WCHAR);
style_nameW = HeapAlloc(GetProcessHeap(), 0, lensty);
MultiByteToWideChar(CP_ACP, 0, ft_face->style_name, -1,
style_nameW, lensty);
/* These names should be read from the TT name table */
/* length of otmpFamilyName */
needed += lenfam;
/* length of otmpFaceName */
if(!strcasecmp(ft_face->style_name, "regular")) {
needed += lenfam; /* just the family name */
} else {
needed += lenfam + lensty; /* family + " " + style */
}
/* length of otmpStyleName */
needed += lensty;
/* length of otmpFullName */
needed += lenfam + lensty;
if(needed > cbSize) {
ret = needed;
goto end;
}
x_scale = ft_face->size->metrics.x_scale;
y_scale = ft_face->size->metrics.y_scale;
pOS2 = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_os2);
if(!pOS2) {
FIXME("Can't find OS/2 table - not TT font?\n");
ret = 0;
goto end;
}
pHori = pFT_Get_Sfnt_Table(ft_face, ft_sfnt_hhea);
if(!pHori) {
FIXME("Can't find HHEA table - not TT font?\n");
ret = 0;
goto end;
}
potm->otmSize = needed;
WineEngGetTextMetrics(font, &potm->otmTextMetrics);
potm->otmFiller = 0;
memcpy(&potm->otmPanoseNumber, pOS2->panose, PANOSE_COUNT);
potm->otmfsSelection = pOS2->fsSelection;
potm->otmfsType = pOS2->fsType;
potm->otmsCharSlopeRise = pHori->caret_Slope_Rise;
potm->otmsCharSlopeRun = pHori->caret_Slope_Run;
potm->otmItalicAngle = 0; /* POST table */
potm->otmEMSquare = ft_face->units_per_EM;
potm->otmAscent = (pFT_MulFix(pOS2->sTypoAscender, y_scale) + 32) >> 6;
potm->otmDescent = (pFT_MulFix(pOS2->sTypoDescender, y_scale) + 32) >> 6;
potm->otmLineGap = (pFT_MulFix(pOS2->sTypoLineGap, y_scale) + 32) >> 6;
potm->otmsCapEmHeight = (pFT_MulFix(pOS2->sCapHeight, y_scale) + 32) >> 6;
potm->otmsXHeight = (pFT_MulFix(pOS2->sxHeight, y_scale) + 32) >> 6;
potm->otmrcFontBox.left = ft_face->bbox.xMin;
potm->otmrcFontBox.right = ft_face->bbox.xMax;
potm->otmrcFontBox.top = ft_face->bbox.yMin;
potm->otmrcFontBox.bottom = ft_face->bbox.yMax;
potm->otmMacAscent = 0; /* where do these come from ? */
potm->otmMacDescent = 0;
potm->otmMacLineGap = 0;
potm->otmusMinimumPPEM = 0; /* TT Header */
potm->otmptSubscriptSize.x = (pFT_MulFix(pOS2->ySubscriptXSize, x_scale) + 32) >> 6;
potm->otmptSubscriptSize.y = (pFT_MulFix(pOS2->ySubscriptYSize, y_scale) + 32) >> 6;
potm->otmptSubscriptOffset.x = (pFT_MulFix(pOS2->ySubscriptXOffset, x_scale) + 32) >> 6;
potm->otmptSubscriptOffset.y = (pFT_MulFix(pOS2->ySubscriptYOffset, y_scale) + 32) >> 6;
potm->otmptSuperscriptSize.x = (pFT_MulFix(pOS2->ySuperscriptXSize, x_scale) + 32) >> 6;
potm->otmptSuperscriptSize.y = (pFT_MulFix(pOS2->ySuperscriptYSize, y_scale) + 32) >> 6;
potm->otmptSuperscriptOffset.x = (pFT_MulFix(pOS2->ySuperscriptXOffset, x_scale) + 32) >> 6;
potm->otmptSuperscriptOffset.y = (pFT_MulFix(pOS2->ySuperscriptYOffset, y_scale) + 32) >> 6;
potm->otmsStrikeoutSize = (pFT_MulFix(pOS2->yStrikeoutSize, y_scale) + 32) >> 6;
potm->otmsStrikeoutPosition = (pFT_MulFix(pOS2->yStrikeoutPosition, y_scale) + 32) >> 6;
potm->otmsUnderscoreSize = 0; /* POST Header */
potm->otmsUnderscorePosition = 0; /* POST Header */
/* otmp* members should clearly have type ptrdiff_t, but M$ knows best */
cp = (char*)potm + sizeof(*potm);
potm->otmpFamilyName = (LPSTR)(cp - (char*)potm);
strcpyW((WCHAR*)cp, family_nameW);
cp += lenfam;
potm->otmpStyleName = (LPSTR)(cp - (char*)potm);
strcpyW((WCHAR*)cp, style_nameW);
cp += lensty;
potm->otmpFaceName = (LPSTR)(cp - (char*)potm);
strcpyW((WCHAR*)cp, family_nameW);
if(strcasecmp(ft_face->style_name, "regular")) {
strcatW((WCHAR*)cp, spaceW);
strcatW((WCHAR*)cp, style_nameW);
cp += lenfam + lensty;
} else
cp += lenfam;
potm->otmpFullName = (LPSTR)(cp - (char*)potm);
strcpyW((WCHAR*)cp, family_nameW);
strcatW((WCHAR*)cp, spaceW);
strcatW((WCHAR*)cp, style_nameW);
ret = needed;
end:
HeapFree(GetProcessHeap(), 0, style_nameW);
HeapFree(GetProcessHeap(), 0, family_nameW);
return ret;
}
/*************************************************************
* WineEngGetCharWidth
*
*/
BOOL WineEngGetCharWidth(GdiFont font, UINT firstChar, UINT lastChar,
LPINT buffer)
{
UINT c;
GLYPHMETRICS gm;
FT_UInt glyph_index;
TRACE("%p, %d, %d, %p\n", font, firstChar, lastChar, buffer);
for(c = firstChar; c <= lastChar; c++) {
WineEngGetGlyphOutline(font, c, GGO_METRICS, &gm, 0, NULL, NULL);
glyph_index = get_glyph_index(font, c);
buffer[c - firstChar] = font->gm[glyph_index].adv;
}
return TRUE;
}
/*************************************************************
* WineEngGetTextExtentPoint
*
*/
BOOL WineEngGetTextExtentPoint(GdiFont font, LPCWSTR wstr, INT count,
LPSIZE size)
{
UINT idx;
GLYPHMETRICS gm;
TEXTMETRICW tm;
FT_UInt glyph_index;
TRACE("%p, %s, %d, %p\n", font, debugstr_wn(wstr, count), count,
size);
size->cx = 0;
WineEngGetTextMetrics(font, &tm);
size->cy = tm.tmHeight;
for(idx = 0; idx < count; idx++) {
WineEngGetGlyphOutline(font, wstr[idx], GGO_METRICS, &gm, 0, NULL,
NULL);
glyph_index = get_glyph_index(font, wstr[idx]);
size->cx += font->gm[glyph_index].adv;
}
TRACE("return %ld,%ld\n", size->cx, size->cy);
return TRUE;
}
/*************************************************************
* WineEngGetTextExtentPointI
*
*/
BOOL WineEngGetTextExtentPointI(GdiFont font, const WORD *indices, INT count,
LPSIZE size)
{
UINT idx;
GLYPHMETRICS gm;
TEXTMETRICW tm;
TRACE("%p, %p, %d, %p\n", font, indices, count, size);
size->cx = 0;
WineEngGetTextMetrics(font, &tm);
size->cy = tm.tmHeight;
for(idx = 0; idx < count; idx++) {
WineEngGetGlyphOutline(font, indices[idx],
GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL,
NULL);
size->cx += font->gm[indices[idx]].adv;
}
TRACE("return %ld,%ld\n", size->cx, size->cy);
return TRUE;
}
/*************************************************************
* WineEngGetFontData
*
*/
DWORD WineEngGetFontData(GdiFont font, DWORD table, DWORD offset, LPVOID buf,
DWORD cbData)
{
FT_Face ft_face = font->ft_face;
TT_Face tt_face;
SFNT_Interface *sfnt;
DWORD len;
FT_Error err;
TRACE("font=%p, table=%08lx, offset=%08lx, buf=%p, cbData=%lx\n",
font, table, offset, buf, cbData);
if(!FT_IS_SFNT(ft_face))
return GDI_ERROR;
tt_face = (TT_Face) ft_face;
sfnt = (SFNT_Interface*)tt_face->sfnt;
if(!buf || !cbData)
len = 0;
else
len = cbData;
if(table) { /* MS tags differ in endidness from FT ones */
table = table >> 24 | table << 24 |
(table >> 8 & 0xff00) | (table << 8 & 0xff0000);
}
err = sfnt->load_any(tt_face, table, offset, buf, &len);
if(err) {
TRACE("Can't find table %08lx.\n", table);
return GDI_ERROR;
}
return len;
}
#else /* HAVE_FREETYPE */
BOOL WineEngInit(void)
{
return FALSE;
}
GdiFont WineEngCreateFontInstance(DC *dc, HFONT hfont)
{
return NULL;
}
BOOL WineEngDestroyFontInstance(HFONT hfont)
{
return FALSE;
}
DWORD WineEngEnumFonts(LPLOGFONTW plf, DEVICEFONTENUMPROC proc, LPARAM lparam)
{
return 1;
}
DWORD WineEngGetGlyphIndices(GdiFont font, LPCWSTR lpstr, INT count,
LPWORD pgi, DWORD flags)
{
return GDI_ERROR;
}
DWORD WineEngGetGlyphOutline(GdiFont font, UINT glyph, UINT format,
LPGLYPHMETRICS lpgm, DWORD buflen, LPVOID buf,
const MAT2* lpmat)
{
ERR("called but we don't have FreeType\n");
return GDI_ERROR;
}
BOOL WineEngGetTextMetrics(GdiFont font, LPTEXTMETRICW ptm)
{
ERR("called but we don't have FreeType\n");
return FALSE;
}
UINT WineEngGetOutlineTextMetrics(GdiFont font, UINT cbSize,
OUTLINETEXTMETRICW *potm)
{
ERR("called but we don't have FreeType\n");
return 0;
}
BOOL WineEngGetCharWidth(GdiFont font, UINT firstChar, UINT lastChar,
LPINT buffer)
{
ERR("called but we don't have FreeType\n");
return FALSE;
}
BOOL WineEngGetTextExtentPoint(GdiFont font, LPCWSTR wstr, INT count,
LPSIZE size)
{
ERR("called but we don't have FreeType\n");
return FALSE;
}
BOOL WineEngGetTextExtentPointI(GdiFont font, const WORD *indices, INT count,
LPSIZE size)
{
ERR("called but we don't have FreeType\n");
return FALSE;
}
DWORD WineEngGetFontData(GdiFont font, DWORD table, DWORD offset, LPVOID buf,
DWORD cbData)
{
ERR("called but we don't have FreeType\n");
return GDI_ERROR;
}
#endif /* HAVE_FREETYPE */
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