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(svn r7406) -Fix (r7377): [win32] Fontcache now also compiles in UNICODE mode; sorry, should've tested.

release/0.5
Darkvater 2006-12-06 19:28:25 +00:00
parent 1547a5929f
commit 5f06024a2a
1 changed files with 36 additions and 12 deletions
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48
fontcache.c
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@ -34,12 +34,22 @@ enum {
SHADOW_COLOUR = 2, SHADOW_COLOUR = 2,
}; };
/** Get the font loaded into a Freetype face by using a font-name.
* If no appropiate font is found, the function returns an error */
#ifdef WIN32 #ifdef WIN32
#include <windows.h> #include <windows.h>
#include <tchar.h> #include <tchar.h>
#include <shlobj.h> // SHGetFolderPath #include <shlobj.h> // SHGetFolderPath
#include "win32.h" #include "win32.h"
/* Get the font file to be loaded into Freetype by looping the registry
* location where windows lists all installed fonts. Not very nice, will
* surely break if the registry path changes, but it works. Much better
* solution would be to use CreateFont, and extract the font data from it
* by GetFontData. The problem with this is that the font file needs to be
* kept in memory then until the font is no longer needed. This could mean
* an additional memory usage of 30MB (just for fonts!) when using an eastern
* font for all font sizes */
#define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts" #define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
#define FONT_DIR_9X "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Fonts" #define FONT_DIR_9X "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Fonts"
static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
@ -48,6 +58,7 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
HKEY hKey; HKEY hKey;
LONG ret; LONG ret;
TCHAR vbuffer[MAX_PATH], dbuffer[256]; TCHAR vbuffer[MAX_PATH], dbuffer[256];
TCHAR *font_namep;
char *font_path; char *font_path;
uint index; uint index;
@ -62,12 +73,22 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
return err; return err;
} }
/* For Unicode we need some conversion between widechar and
* normal char to match the data returned by RegEnumValue,
* otherwise just use parameter */
#if defined(UNICODE)
font_namep = malloc(MAX_PATH * sizeof(TCHAR));
MB_TO_WIDE_BUFFER(font_name, font_namep, MAX_PATH * sizeof(TCHAR));
#else
font_namep = (char*)font_name; // only cast because in unicode pointer is not const
#endif
for (index = 0;; index++) { for (index = 0;; index++) {
char *s; TCHAR *s;
DWORD vbuflen = lengthof(vbuffer); DWORD vbuflen = lengthof(vbuffer);
DWORD dbuflen = lengthof(dbuffer); DWORD dbuflen = lengthof(dbuffer);
ret = RegEnumValue(hKey, index, vbuffer, &vbuflen, NULL, NULL, dbuffer, &dbuflen); ret = RegEnumValue(hKey, index, vbuffer, &vbuflen, NULL, NULL, (byte*)dbuffer, &dbuflen);
if (ret != ERROR_SUCCESS) goto registry_no_font_found; if (ret != ERROR_SUCCESS) goto registry_no_font_found;
/* The font names in the registry are of the following 3 forms: /* The font names in the registry are of the following 3 forms:
@ -79,13 +100,13 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
* TTC files, font files which contain more than one font are seperated * TTC files, font files which contain more than one font are seperated
* byt '&'. Our best bet will be to do substr match for the fontname * byt '&'. Our best bet will be to do substr match for the fontname
* and then let FreeType figure out which index to load */ * and then let FreeType figure out which index to load */
s = _tcschr(vbuffer, '('); s = _tcschr(vbuffer, _T('('));
if (s != NULL) s[-1] = '\0'; if (s != NULL) s[-1] = '\0';
if (_tcschr(vbuffer, '&') == NULL) { if (_tcschr(vbuffer, _T('&')) == NULL) {
if (_tcsicmp(vbuffer, font_name) == 0) break; if (_tcsicmp(vbuffer, font_namep) == 0) break;
} else { } else {
if (_tcsstr(vbuffer, font_name) != NULL) break; if (_tcsstr(vbuffer, font_namep) != NULL) break;
} }
} }
@ -100,14 +121,17 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
* proper font. * proper font.
* Also note that FreeType does not support UNICODE filesnames! */ * Also note that FreeType does not support UNICODE filesnames! */
#if defined(UNICODE) #if defined(UNICODE)
font_path = malloc(MAX_PATH); /* We need a cast here back from wide because FreeType doesn't support
font_path = convert_from_fs(vbuffer, font_path, MAX_PATH); * widechar filenames. Just use the buffer we allocated before for the
* font_name search */
font_path = (char*)font_namep;
WIDE_TO_MB_BUFFER(vbuffer, font_path, MAX_PATH * sizeof(TCHAR));
#else #else
font_path = vbuffer; font_path = vbuffer;
#endif #endif
ttd_strlcat(font_path, "\\", MAX_PATH); ttd_strlcat(font_path, "\\", MAX_PATH * sizeof(TCHAR));
ttd_strlcat(font_path, WIDE_TO_MB(dbuffer), MAX_PATH); ttd_strlcat(font_path, WIDE_TO_MB(dbuffer), MAX_PATH * sizeof(TCHAR));
index = 0; index = 0;
do { do {
err = FT_New_Face(_library, font_path, index, face); err = FT_New_Face(_library, font_path, index, face);
@ -118,11 +142,11 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
} while ((FT_Long)++index != (*face)->num_faces); } while ((FT_Long)++index != (*face)->num_faces);
folder_error:
#if defined(UNICODE) #if defined(UNICODE)
free(font_path); free(font_path);
#endif #endif
folder_error:
registry_no_font_found: registry_no_font_found:
RegCloseKey(hKey); RegCloseKey(hKey);
return err; return err;