gronod/OpenTTD
1
0
Fork 0
mirror of https://github.com/OpenTTD/OpenTTD.git synced 2025-02-11 08:49:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add: [Win32] Support for loading fonts from a file for the GDI font renderer.

Browse Source
This commit is contained in:
Michael Lutz 2019-05-05 02:47:32 +02:00 committed by Owen Rudge
parent d2ed426077
commit eeccfa2570
1 changed files with 48 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/fontcache.cpp
View File

@ -19,6 +19,7 @@
#include "zoom_type.h"
#include "gfx_layout.h"
#include "zoom_func.h"
#include "fileio_func.h"
#include "table/sprites.h"
#include "table/control_codes.h"
@ -948,6 +949,8 @@ void Win32FontCache::ClearFontCache()
*/
static void LoadWin32Font(FontSize fs)
{
static const char *SIZE_TO_NAME[] = { "medium", "small", "large", "mono" };
FreeTypeSubSetting *settings = nullptr;
switch (fs) {
default: NOT_REACHED();
@ -961,20 +964,59 @@ static void LoadWin32Font(FontSize fs)
LOGFONT logfont;
MemSetT(&logfont, 0);
if (settings->os_handle != nullptr) logfont = *(const LOGFONT *)settings->os_handle;
logfont.lfPitchAndFamily = fs == FS_MONO ? FIXED_PITCH : VARIABLE_PITCH;
logfont.lfCharSet = DEFAULT_CHARSET;
logfont.lfOutPrecision = OUT_OUTLINE_PRECIS;
logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
if (settings->os_handle != nullptr) {
logfont = *(const LOGFONT *)settings->os_handle;
} else if (strchr(settings->font, '.') != nullptr && FileExists(settings->font)) {
/* Might be a font file name, try load it. */
TCHAR fontPath[MAX_PATH];
convert_to_fs(settings->font, fontPath, lengthof(fontPath), false);
if (AddFontResourceEx(fontPath, FR_PRIVATE, 0) != 0) {
/* Try a nice little undocumented function first for getting the internal font name.
* Some documentation is fount at: http://www.undocprint.org/winspool/getfontresourceinfo */
typedef BOOL(WINAPI * PFNGETFONTRESOURCEINFO)(LPCTSTR, LPDWORD, LPVOID, DWORD);
#ifdef UNICODE
static PFNGETFONTRESOURCEINFO GetFontResourceInfo = (PFNGETFONTRESOURCEINFO)GetProcAddress(GetModuleHandle(_T("Gdi32")), "GetFontResourceInfoW");
#else
static PFNGETFONTRESOURCEINFO GetFontResourceInfo = (PFNGETFONTRESOURCEINFO)GetProcAddress(GetModuleHandle(_T("Gdi32")), "GetFontResourceInfoA");
#endif
if (GetFontResourceInfo != nullptr) {
/* Try to query an array of LOGFONTs that describe the file. */
DWORD len = 0;
if (GetFontResourceInfo(fontPath, &len, nullptr, 2) && len >= sizeof(LOGFONT)) {
LOGFONT *buf = (LOGFONT *)AllocaM(byte, len);
if (GetFontResourceInfo(fontPath, &len, buf, 2)) {
logfont = *buf; // Just use first entry.
}
}
}
/* No dice yet. Use the file name as the font face name, hoping it matches. */
if (logfont.lfFaceName[0] == 0) {
TCHAR fname[_MAX_FNAME];
_tsplitpath(fontPath, nullptr, nullptr, fname, nullptr);
_tcsncpy_s(logfont.lfFaceName, lengthof(logfont.lfFaceName), fname, _TRUNCATE);
logfont.lfWeight = strcasestr(settings->font, " bold") != nullptr || strcasestr(settings->font, "-bold") != nullptr ? FW_BOLD : FW_NORMAL; // Poor man's way to allow selecting bold fonts.
}
} else {
ShowInfoF("Unable to load file '%s' for %s font, using default windows font selection instead", settings->font, SIZE_TO_NAME[fs]);
}
}
if (logfont.lfFaceName[0] == 0) {
logfont.lfWeight = strcasestr(settings->font, " bold") != nullptr ? FW_BOLD : FW_NORMAL; // Poor man's way to allow selecting bold fonts.
logfont.lfPitchAndFamily = fs == FS_MONO ? FIXED_PITCH : VARIABLE_PITCH;
logfont.lfCharSet = DEFAULT_CHARSET;
logfont.lfOutPrecision = OUT_OUTLINE_PRECIS;
logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
convert_to_fs(settings->font, logfont.lfFaceName, lengthof(logfont.lfFaceName), false);
}
HFONT font = CreateFontIndirect(&logfont);
if (font == nullptr) {
static const char *SIZE_TO_NAME[] = { "medium", "small", "large", "mono" };
ShowInfoF("Unable to use '%s' for %s font, Win32 reported error 0x%lX, using sprite font instead", settings->font, SIZE_TO_NAME[fs], GetLastError());
return;
}