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Codechange: Move Fontconfig-specific code to a seperate file.

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This commit is contained in:
Michael Lutz 2021-02-13 17:53:41 +01:00
parent f2294851e6
commit 63ed3f3575
4 changed files with 41 additions and 51 deletions
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1
src/CMakeLists.txt
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@ -156,7 +156,6 @@ add_files(
fontcache.cpp
fontcache.h
fontcache_internal.h
fontdetection.cpp
fontdetection.h
framerate_gui.cpp
framerate_type.h

15
src/fontcache.cpp
View File

@ -205,7 +205,6 @@ bool SpriteFontCache::GetDrawGlyphShadow()
/* static */ FontCache *FontCache::caches[FS_END] = { new SpriteFontCache(FS_NORMAL), new SpriteFontCache(FS_SMALL), new SpriteFontCache(FS_LARGE), new SpriteFontCache(FS_MONO) };
#if defined(WITH_FREETYPE) || defined(_WIN32)
/**
* Create a new TrueTypeFontCache.
@ -678,13 +677,8 @@ const void *FreeTypeFontCache::InternalGetFontTable(uint32 tag, size_t &length)
return result;
}
#elif defined(_WIN32)
#endif /* WITH_FREETYPE */
#endif /* defined(WITH_FREETYPE) || defined(_WIN32) */
/**
* (Re)initialize the freetype related things, i.e. load the non-sprite fonts.
@ -722,3 +716,12 @@ void UninitFreeType()
_library = nullptr;
#endif /* WITH_FREETYPE */
}
#if !defined(_WIN32) && !defined(__APPLE__) && !defined(WITH_FONTCONFIG)
#ifdef WITH_FREETYPE
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) { return FT_Err_Cannot_Open_Resource; }
#endif /* WITH_FREETYPE */
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback) { return false; }
#endif /* !defined(_WIN32) && !defined(__APPLE__) && !defined(WITH_FONTCONFIG) */

5
src/os/unix/CMakeLists.txt
View File

@ -7,3 +7,8 @@ add_files(
unix.cpp
CONDITION UNIX AND NOT OPTION_OS2
)
add_files(
font_unix.cpp
CONDITION Fontconfig_FOUND
)

71
src/fontdetection.cpp → src/os/unix/font_unix.cpp
View File

@ -5,34 +5,26 @@
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file fontdetection.cpp Detection of the right font. */
/** @file font_unix.cpp Functions related to font handling on Unix/Fontconfig. */
#if defined(WITH_FREETYPE) || defined(_WIN32)
#include "stdafx.h"
#include "debug.h"
#include "fontdetection.h"
#include "string_func.h"
#include "strings_func.h"
#ifdef WITH_FREETYPE
extern FT_Library _library;
#endif /* WITH_FREETYPE */
/**
* Get the font loaded into a Freetype face by using a font-name.
* If no appropriate font is found, the function returns an error
*/
#if defined(WITH_FONTCONFIG) /* end ifdef __APPLE__ */
#include "../../stdafx.h"
#include "../../debug.h"
#include "../../fontdetection.h"
#include "../../string_func.h"
#include "../../strings_func.h"
#include <fontconfig/fontconfig.h>
#include "safeguards.h"
/* ========================================================================================
* FontConfig (unix) support
* ======================================================================================== */
#ifdef WITH_FREETYPE
#include <ft2build.h>
#include FT_FREETYPE_H
extern FT_Library _library;
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
{
FT_Error err = FT_Err_Cannot_Open_Resource;
@ -57,8 +49,8 @@ FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
}
/* Resolve the name and populate the information structure */
pat = FcNameParse((FcChar8*)font_family);
if (font_style != nullptr) FcPatternAddString(pat, FC_STYLE, (FcChar8*)font_style);
pat = FcNameParse((FcChar8 *)font_family);
if (font_style != nullptr) FcPatternAddString(pat, FC_STYLE, (FcChar8 *)font_style);
FcConfigSubstitute(0, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
fs = FcFontSetCreate();
@ -73,17 +65,17 @@ FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
for (i = 0; err != FT_Err_Ok && i < fs->nfont; i++) {
/* Try the new filename */
if (FcPatternGetString(fs->fonts[i], FC_FILE, 0, &file) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, &family) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_STYLE, 0, &style) == FcResultMatch) {
if (FcPatternGetString(fs->fonts[i], FC_FILE, 0, &file) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, &family) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_STYLE, 0, &style) == FcResultMatch) {
/* The correct style? */
if (font_style != nullptr && strcasecmp(font_style, (char*)style) != 0) continue;
if (font_style != nullptr && strcasecmp(font_style, (char *)style) != 0) continue;
/* Font config takes the best shot, which, if the family name is spelled
* wrongly a 'random' font, so check whether the family name is the
* same as the supplied name */
if (strcasecmp(font_family, (char*)family) == 0) {
if (strcasecmp(font_family, (char *)family) == 0) {
err = FT_New_Face(_library, (char *)file, 0, face);
}
}
@ -99,6 +91,9 @@ FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
return err;
}
#endif /* WITH_FREETYPE */
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback)
{
if (!FcInit()) return false;
@ -114,7 +109,7 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
if (split != nullptr) *split = '\0';
/* First create a pattern to match the wanted language. */
FcPattern *pat = FcNameParse((FcChar8*)lang);
FcPattern *pat = FcNameParse((FcChar8 *)lang);
/* We only want to know the filename. */
FcObjectSet *os = FcObjectSetBuild(FC_FILE, FC_SPACING, FC_SLANT, FC_WEIGHT, nullptr);
/* Get the list of filenames matching the wanted language. */
@ -150,14 +145,14 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
FcPatternGetInteger(font, FC_WEIGHT, 0, &value);
if (value <= best_weight) continue;
callback->SetFontNames(settings, (const char*)file);
callback->SetFontNames(settings, (const char *)file);
bool missing = callback->FindMissingGlyphs();
DEBUG(freetype, 1, "Font \"%s\" misses%s glyphs", file, missing ? "" : " no");
if (!missing) {
best_weight = value;
best_font = (const char *)file;
best_font = (const char *)file;
}
}
@ -174,15 +169,3 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
FcFini();
return ret;
}
#endif /* end ifdef WITH_FONTCONFIG */
#if !defined(_WIN32) && !defined(__APPLE__) && !defined(WITH_FONTCONFIG)
#ifdef WITH_FREETYPE
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) {return FT_Err_Cannot_Open_Resource;}
#endif /* WITH_FREETYPE */
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback) { return false; }
#endif /* !defined(_WIN32) && !defined(__APPLE__) && !defined(WITH_FONTCONFIG) */
#endif /* WITH_FREETYPE */