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@ r26317:35ad0c0146a0
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Location: cpp/openttd-patchpack/source/src/os/windows/font_win32.cpp
r26317:35ad0c0146a0
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Update: Translations from eints
italian: 1 change by Rivarossi
italian: 1 change by Rivarossi
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 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 font_win32.cpp Functions related to font handling on Win32. */
#include "../../stdafx.h"
#include "../../debug.h"
#include "font_win32.h"
#include "../../blitter/factory.hpp"
#include "../../core/alloc_func.hpp"
#include "../../core/math_func.hpp"
#include "../../fileio_func.h"
#include "../../fontdetection.h"
#include "../../fontcache.h"
#include "../../string_func.h"
#include "../../strings_func.h"
#include "../../zoom_func.h"
#include "../../table/control_codes.h"
#include <windows.h>
#include <shlobj.h> /* SHGetFolderPath */
#include "os/windows/win32.h"
#undef small // Say what, Windows?
#include "safeguards.h"
#ifdef WITH_FREETYPE
#include <ft2build.h>
#include FT_FREETYPE_H
extern FT_Library _library;
/**
* Get the short DOS 8.3 format for paths.
* FreeType doesn't support Unicode filenames and Windows' fopen (as used
* by FreeType) doesn't support UTF-8 filenames. So we have to convert the
* filename into something that isn't UTF-8 but represents the Unicode file
* name. This is the short DOS 8.3 format. This does not contain any
* characters that fopen doesn't support.
* @param long_path the path in system encoding.
* @return the short path in ANSI (ASCII).
*/
static const char *GetShortPath(const wchar_t *long_path)
{
static char short_path[MAX_PATH];
wchar_t short_path_w[MAX_PATH];
GetShortPathName(long_path, short_path_w, lengthof(short_path_w));
WideCharToMultiByte(CP_ACP, 0, short_path_w, -1, short_path, lengthof(short_path), nullptr, nullptr);
return short_path;
}
/* 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 */
static const wchar_t *FONT_DIR_NT = L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
{
FT_Error err = FT_Err_Cannot_Open_Resource;
HKEY hKey;
LONG ret;
wchar_t vbuffer[MAX_PATH], dbuffer[256];
wchar_t *pathbuf;
const char *font_path;
uint index;
size_t path_len;
ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, FONT_DIR_NT, 0, KEY_READ, &hKey);
if (ret != ERROR_SUCCESS) {
Debug(freetype, 0, "Cannot open registry key HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
return err;
}
/* Convert font name to file system encoding. */
wchar_t *font_namep = wcsdup(OTTD2FS(font_name).c_str());
for (index = 0;; index++) {
wchar_t *s;
DWORD vbuflen = lengthof(vbuffer);
DWORD dbuflen = lengthof(dbuffer);
ret = RegEnumValue(hKey, index, vbuffer, &vbuflen, nullptr, nullptr, (byte *)dbuffer, &dbuflen);
if (ret != ERROR_SUCCESS) goto registry_no_font_found;
/* The font names in the registry are of the following 3 forms:
* - ADMUI3.fon
* - Book Antiqua Bold (TrueType)
* - Batang & BatangChe & Gungsuh & GungsuhChe (TrueType)
* We will strip the font-type '()' if any and work with the font name
* itself, which must match exactly; if...
* TTC files, font files which contain more than one font are separated
* by '&'. Our best bet will be to do substr match for the fontname
* and then let FreeType figure out which index to load */
s = wcschr(vbuffer, L'(');
if (s != nullptr) s[-1] = '\0';
if (wcschr(vbuffer, L'&') == nullptr) {
if (wcsicmp(vbuffer, font_namep) == 0) break;
} else {
if (wcsstr(vbuffer, font_namep) != nullptr) break;
}
}
if (!SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_FONTS, nullptr, SHGFP_TYPE_CURRENT, vbuffer))) {
Debug(freetype, 0, "SHGetFolderPath cannot return fonts directory");
goto folder_error;
}
/* Some fonts are contained in .ttc files, TrueType Collection fonts. These
* contain multiple fonts inside this single file. GetFontData however
* returns the whole file, so we need to check each font inside to get the
* proper font. */
path_len = wcslen(vbuffer) + wcslen(dbuffer) + 2; // '\' and terminating nul.
pathbuf = AllocaM(wchar_t, path_len);
_snwprintf(pathbuf, path_len, L"%s\\%s", vbuffer, dbuffer);
/* Convert the path into something that FreeType understands. */
font_path = GetShortPath(pathbuf);
index = 0;
do {
err = FT_New_Face(_library, font_path, index, face);
if (err != FT_Err_Ok) break;
if (strncasecmp(font_name, (*face)->family_name, strlen((*face)->family_name)) == 0) break;
/* Try english name if font name failed */
if (strncasecmp(font_name + strlen(font_name) + 1, (*face)->family_name, strlen((*face)->family_name)) == 0) break;
err = FT_Err_Cannot_Open_Resource;
} while ((FT_Long)++index != (*face)->num_faces);
folder_error:
registry_no_font_found:
free(font_namep);
RegCloseKey(hKey);
return err;
}
/**
* Fonts can have localised names and when the system locale is the same as
* one of those localised names Windows will always return that localised name
* instead of allowing to get the non-localised (English US) name of the font.
* This will later on give problems as freetype uses the non-localised name of
* the font and we need to compare based on that name.
* Windows furthermore DOES NOT have an API to get the non-localised name nor
* can we override the system locale. This means that we have to actually read
* the font itself to gather the font name we want.
* Based on: http://blogs.msdn.com/michkap/archive/2006/02/13/530814.aspx
* @param logfont the font information to get the english name of.
* @return the English name (if it could be found).
*/
static const char *GetEnglishFontName(const ENUMLOGFONTEX *logfont)
{
static char font_name[MAX_PATH];
const char *ret_font_name = nullptr;
uint pos = 0;
HDC dc;
HGDIOBJ oldfont;
byte *buf;
DWORD dw;
uint16 format, count, stringOffset, platformId, encodingId, languageId, nameId, length, offset;
HFONT font = CreateFontIndirect(&logfont->elfLogFont);
if (font == nullptr) goto err1;
dc = GetDC(nullptr);
oldfont = SelectObject(dc, font);
dw = GetFontData(dc, 'eman', 0, nullptr, 0);
if (dw == GDI_ERROR) goto err2;
buf = MallocT<byte>(dw);
dw = GetFontData(dc, 'eman', 0, buf, dw);
if (dw == GDI_ERROR) goto err3;
format = buf[pos++] << 8;
format += buf[pos++];
assert(format == 0);
count = buf[pos++] << 8;
count += buf[pos++];
stringOffset = buf[pos++] << 8;
stringOffset += buf[pos++];
for (uint i = 0; i < count; i++) {
platformId = buf[pos++] << 8;
platformId += buf[pos++];
encodingId = buf[pos++] << 8;
encodingId += buf[pos++];
languageId = buf[pos++] << 8;
languageId += buf[pos++];
nameId = buf[pos++] << 8;
nameId += buf[pos++];
if (nameId != 1) {
pos += 4; // skip length and offset
continue;
}
length = buf[pos++] << 8;
length += buf[pos++];
offset = buf[pos++] << 8;
offset += buf[pos++];
/* Don't buffer overflow */
length = std::min<uint16>(length, MAX_PATH - 1);
for (uint j = 0; j < length; j++) font_name[j] = buf[stringOffset + offset + j];
font_name[length] = '\0';
if ((platformId == 1 && languageId == 0) || // Macintosh English
(platformId == 3 && languageId == 0x0409)) { // Microsoft English (US)
ret_font_name = font_name;
break;
}
}
err3:
free(buf);
err2:
SelectObject(dc, oldfont);
ReleaseDC(nullptr, dc);
DeleteObject(font);
err1:
return ret_font_name == nullptr ? FS2OTTD((const wchar_t *)logfont->elfFullName) : ret_font_name;
}
#endif /* WITH_FREETYPE */
class FontList {
protected:
wchar_t **fonts;
uint items;
uint capacity;
public:
FontList() : fonts(nullptr), items(0), capacity(0) { };
~FontList() {
if (this->fonts == nullptr) return;
for (uint i = 0; i < this->items; i++) {
free(this->fonts[i]);
}
free(this->fonts);
}
bool Add(const wchar_t *font) {
for (uint i = 0; i < this->items; i++) {
if (wcscmp(this->fonts[i], font) == 0) return false;
}
if (this->items == this->capacity) {
this->capacity += 10;
this->fonts = ReallocT(this->fonts, this->capacity);
}
this->fonts[this->items++] = wcsdup(font);
return true;
}
};
struct EFCParam {
FreeTypeSettings *settings;
LOCALESIGNATURE locale;
MissingGlyphSearcher *callback;
FontList fonts;
};
static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXTMETRICEX *metric, DWORD type, LPARAM lParam)
{
EFCParam *info = (EFCParam *)lParam;
/* Skip duplicates */
if (!info->fonts.Add((const wchar_t *)logfont->elfFullName)) return 1;
/* Only use TrueType fonts */
if (!(type & TRUETYPE_FONTTYPE)) return 1;
/* Don't use SYMBOL fonts */
if (logfont->elfLogFont.lfCharSet == SYMBOL_CHARSET) return 1;
/* Use monospaced fonts when asked for it. */
if (info->callback->Monospace() && (logfont->elfLogFont.lfPitchAndFamily & (FF_MODERN | FIXED_PITCH)) != (FF_MODERN | FIXED_PITCH)) return 1;
/* The font has to have at least one of the supported locales to be usable. */
if ((metric->ntmFontSig.fsCsb[0] & info->locale.lsCsbSupported[0]) == 0 && (metric->ntmFontSig.fsCsb[1] & info->locale.lsCsbSupported[1]) == 0) {
/* On win9x metric->ntmFontSig seems to contain garbage. */
FONTSIGNATURE fs;
memset(&fs, 0, sizeof(fs));
HFONT font = CreateFontIndirect(&logfont->elfLogFont);
if (font != nullptr) {
HDC dc = GetDC(nullptr);
HGDIOBJ oldfont = SelectObject(dc, font);
GetTextCharsetInfo(dc, &fs, 0);
SelectObject(dc, oldfont);
ReleaseDC(nullptr, dc);
DeleteObject(font);
}
if ((fs.fsCsb[0] & info->locale.lsCsbSupported[0]) == 0 && (fs.fsCsb[1] & info->locale.lsCsbSupported[1]) == 0) return 1;
}
char font_name[MAX_PATH];
convert_from_fs((const wchar_t *)logfont->elfFullName, font_name, lengthof(font_name));
#ifdef WITH_FREETYPE
/* Add english name after font name */
const char *english_name = GetEnglishFontName(logfont);
strecpy(font_name + strlen(font_name) + 1, english_name, lastof(font_name));
/* Check whether we can actually load the font. */
bool ft_init = _library != nullptr;
bool found = false;
FT_Face face;
/* Init FreeType if needed. */
if ((ft_init || FT_Init_FreeType(&_library) == FT_Err_Ok) && GetFontByFaceName(font_name, &face) == FT_Err_Ok) {
FT_Done_Face(face);
found = true;
}
if (!ft_init) {
/* Uninit FreeType if we did the init. */
FT_Done_FreeType(_library);
_library = nullptr;
}
if (!found) return 1;
#else
const char *english_name = font_name;
#endif /* WITH_FREETYPE */
info->callback->SetFontNames(info->settings, font_name, &logfont->elfLogFont);
if (info->callback->FindMissingGlyphs()) return 1;
Debug(freetype, 1, "Fallback font: {} ({})", font_name, english_name);
return 0; // stop enumerating
}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback)
{
Debug(freetype, 1, "Trying fallback fonts");
EFCParam langInfo;
if (GetLocaleInfo(MAKELCID(winlangid, SORT_DEFAULT), LOCALE_FONTSIGNATURE, (LPTSTR)&langInfo.locale, sizeof(langInfo.locale) / sizeof(wchar_t)) == 0) {
/* Invalid langid or some other mysterious error, can't determine fallback font. */
Debug(freetype, 1, "Can't get locale info for fallback font (langid=0x{:x})", winlangid);
return false;
}
langInfo.settings = settings;
langInfo.callback = callback;
LOGFONT font;
/* Enumerate all fonts. */
font.lfCharSet = DEFAULT_CHARSET;
font.lfFaceName[0] = '\0';
font.lfPitchAndFamily = 0;
HDC dc = GetDC(nullptr);
int ret = EnumFontFamiliesEx(dc, &font, (FONTENUMPROC)&EnumFontCallback, (LPARAM)&langInfo, 0);
ReleaseDC(nullptr, dc);
return ret == 0;
}
#ifndef ANTIALIASED_QUALITY
#define ANTIALIASED_QUALITY 4
#endif
/**
* Create a new Win32FontCache.
* @param fs The font size that is going to be cached.
* @param logfont The font that has to be loaded.
* @param pixels The number of pixels this font should be high.
*/
Win32FontCache::Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels) : TrueTypeFontCache(fs, pixels), logfont(logfont)
{
this->dc = CreateCompatibleDC(nullptr);
this->SetFontSize(fs, pixels);
this->fontname = FS2OTTD(this->logfont.lfFaceName);
}
Win32FontCache::~Win32FontCache()
{
this->ClearFontCache();
DeleteDC(this->dc);
DeleteObject(this->font);
}
void Win32FontCache::SetFontSize(FontSize fs, int pixels)
{
if (pixels == 0) {
/* Try to determine a good height based on the minimal height recommended by the font. */
int scaled_height = ScaleFontTrad(this->GetDefaultFontHeight(this->fs));
pixels = scaled_height;
HFONT temp = CreateFontIndirect(&this->logfont);
if (temp != nullptr) {
HGDIOBJ old = SelectObject(this->dc, temp);
UINT size = GetOutlineTextMetrics(this->dc, 0, nullptr);
LPOUTLINETEXTMETRIC otm = (LPOUTLINETEXTMETRIC)AllocaM(BYTE, size);
GetOutlineTextMetrics(this->dc, size, otm);
/* Font height is minimum height plus the difference between the default
* height for this font size and the small size. */
int diff = scaled_height - ScaleFontTrad(this->GetDefaultFontHeight(FS_SMALL));
pixels = Clamp(std::min(otm->otmusMinimumPPEM, MAX_FONT_MIN_REC_SIZE) + diff, scaled_height, MAX_FONT_SIZE);
SelectObject(dc, old);
DeleteObject(temp);
}
} else {
pixels = ScaleFontTrad(pixels);
}
this->used_size = pixels;
/* Create GDI font handle. */
this->logfont.lfHeight = -pixels;
this->logfont.lfWidth = 0;
this->logfont.lfOutPrecision = ANTIALIASED_QUALITY;
if (this->font != nullptr) {
SelectObject(dc, this->old_font);
DeleteObject(this->font);
}
this->font = CreateFontIndirect(&this->logfont);
this->old_font = SelectObject(this->dc, this->font);
/* Query the font metrics we needed. */
UINT otmSize = GetOutlineTextMetrics(this->dc, 0, nullptr);
POUTLINETEXTMETRIC otm = (POUTLINETEXTMETRIC)AllocaM(BYTE, otmSize);
GetOutlineTextMetrics(this->dc, otmSize, otm);
this->units_per_em = otm->otmEMSquare;
this->ascender = otm->otmTextMetrics.tmAscent;
this->descender = otm->otmTextMetrics.tmDescent;
this->height = this->ascender + this->descender;
this->glyph_size.cx = otm->otmTextMetrics.tmMaxCharWidth;
this->glyph_size.cy = otm->otmTextMetrics.tmHeight;
Debug(freetype, 2, "Loaded font '{}' with size {}", FS2OTTD((LPWSTR)((BYTE *)otm + (ptrdiff_t)otm->otmpFullName)), pixels);
}
/**
* Reset cached glyphs.
*/
void Win32FontCache::ClearFontCache()
{
/* GUI scaling might have changed, determine font size anew if it was automatically selected. */
if (this->font != nullptr) this->SetFontSize(this->fs, this->req_size);
this->TrueTypeFontCache::ClearFontCache();
}
/* virtual */ const Sprite *Win32FontCache::InternalGetGlyph(GlyphID key, bool aa)
{
GLYPHMETRICS gm;
MAT2 mat = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
/* Make a guess for the needed memory size. */
DWORD size = this->glyph_size.cy * Align(aa ? this->glyph_size.cx : std::max(this->glyph_size.cx / 8l, 1l), 4); // Bitmap data is DWORD-aligned rows.
byte *bmp = AllocaM(byte, size);
size = GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, size, bmp, &mat);
if (size == GDI_ERROR) {
/* No dice with the guess. First query size of needed glyph memory, then allocate the
* memory and query again. This dance is necessary as some glyphs will only render with
* the exact matching size; e.g. the space glyph has no pixels and must be requested
* with size == 0, anything else fails. Unfortunately, a failed call doesn't return any
* info about the size and thus the triple GetGlyphOutline()-call. */
size = GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, 0, nullptr, &mat);
if (size == GDI_ERROR) usererror("Unable to render font glyph");
bmp = AllocaM(byte, size);
GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, size, bmp, &mat);
}
/* Add 1 pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel. */
uint width = std::max(1U, (uint)gm.gmBlackBoxX + (this->fs == FS_NORMAL));
uint height = std::max(1U, (uint)gm.gmBlackBoxY + (this->fs == FS_NORMAL));
/* Limit glyph size to prevent overflows later on. */
if (width > MAX_GLYPH_DIM || height > MAX_GLYPH_DIM) usererror("Font glyph is too large");
/* GDI has rendered the glyph, now we allocate a sprite and copy the image into it. */
SpriteLoader::Sprite sprite;
sprite.AllocateData(ZOOM_LVL_NORMAL, width * height);
sprite.type = ST_FONT;
sprite.colours = (aa ? SCC_PAL | SCC_ALPHA : SCC_PAL);
sprite.width = width;
sprite.height = height;
sprite.x_offs = gm.gmptGlyphOrigin.x;
sprite.y_offs = this->ascender - gm.gmptGlyphOrigin.y;
if (size > 0) {
/* All pixel data returned by GDI is in the form of DWORD-aligned rows.
* For a non anti-aliased glyph, the returned bitmap has one bit per pixel.
* For anti-aliased rendering, GDI uses the strange value range of 0 to 64,
* inclusively. To map this to 0 to 255, we shift left by two and then
* subtract one. */
uint pitch = Align(aa ? gm.gmBlackBoxX : std::max((gm.gmBlackBoxX + 7u) / 8u, 1u), 4);
/* Draw shadow for medium size. */
if (this->fs == FS_NORMAL && !aa) {
for (uint y = 0; y < gm.gmBlackBoxY; y++) {
for (uint x = 0; x < gm.gmBlackBoxX; x++) {
if (aa ? (bmp[x + y * pitch] > 0) : HasBit(bmp[(x / 8) + y * pitch], 7 - (x % 8))) {
sprite.data[1 + x + (1 + y) * sprite.width].m = SHADOW_COLOUR;
sprite.data[1 + x + (1 + y) * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
}
}
}
}
for (uint y = 0; y < gm.gmBlackBoxY; y++) {
for (uint x = 0; x < gm.gmBlackBoxX; x++) {
if (aa ? (bmp[x + y * pitch] > 0) : HasBit(bmp[(x / 8) + y * pitch], 7 - (x % 8))) {
sprite.data[x + y * sprite.width].m = FACE_COLOUR;
sprite.data[x + y * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
}
}
}
}
GlyphEntry new_glyph;
new_glyph.sprite = BlitterFactory::GetCurrentBlitter()->Encode(&sprite, SimpleSpriteAlloc);
new_glyph.width = gm.gmCellIncX;
this->SetGlyphPtr(key, &new_glyph);
return new_glyph.sprite;
}
/* virtual */ GlyphID Win32FontCache::MapCharToGlyph(WChar key)
{
assert(IsPrintable(key));
if (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END) {
return this->parent->MapCharToGlyph(key);
}
/* Convert characters outside of the BMP into surrogate pairs. */
WCHAR chars[2];
if (key >= 0x010000U) {
chars[0] = (wchar_t)(((key - 0x010000U) >> 10) + 0xD800);
chars[1] = (wchar_t)(((key - 0x010000U) & 0x3FF) + 0xDC00);
} else {
chars[0] = (wchar_t)(key & 0xFFFF);
}
WORD glyphs[2] = { 0, 0 };
GetGlyphIndicesW(this->dc, chars, key >= 0x010000U ? 2 : 1, glyphs, GGI_MARK_NONEXISTING_GLYPHS);
return glyphs[0] != 0xFFFF ? glyphs[0] : 0;
}
/* virtual */ const void *Win32FontCache::InternalGetFontTable(uint32 tag, size_t &length)
{
DWORD len = GetFontData(this->dc, tag, 0, nullptr, 0);
void *result = nullptr;
if (len != GDI_ERROR && len > 0) {
result = MallocT<BYTE>(len);
GetFontData(this->dc, tag, 0, result, len);
}
length = len;
return result;
}
/**
* Loads the GDI font.
* If a GDI font description is present, e.g. from the automatic font
* fallback search, use it. Otherwise, try to resolve it by font name.
* @param fs The font size to load.
*/
void LoadWin32Font(FontSize fs)
{
static const char *SIZE_TO_NAME[] = { "medium", "small", "large", "mono" };
FreeTypeSubSetting *settings = nullptr;
switch (fs) {
case FS_SMALL: settings = &_freetype.small; break;
case FS_NORMAL: settings = &_freetype.medium; break;
case FS_LARGE: settings = &_freetype.large; break;
case FS_MONO: settings = &_freetype.mono; break;
default: NOT_REACHED();
}
if (settings->font.empty()) return;
const char *font_name = settings->font.c_str();
LOGFONT logfont;
MemSetT(&logfont, 0);
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(font_name, '.') != nullptr) {
/* Might be a font file name, try load it. */
wchar_t fontPath[MAX_PATH] = {};
/* See if this is an absolute path. */
if (FileExists(settings->font)) {
convert_to_fs(font_name, fontPath, lengthof(fontPath));
} else {
/* Scan the search-paths to see if it can be found. */
std::string full_font = FioFindFullPath(BASE_DIR, font_name);
if (!full_font.empty()) {
convert_to_fs(font_name, fontPath, lengthof(fontPath));
}
}
if (fontPath[0] != 0) {
if (AddFontResourceEx(fontPath, FR_PRIVATE, 0) != 0) {
/* Try a nice little undocumented function first for getting the internal font name.
* Some documentation is found at: http://www.undocprint.org/winspool/getfontresourceinfo */
static DllLoader _gdi32(L"gdi32.dll");
typedef BOOL(WINAPI *PFNGETFONTRESOURCEINFO)(LPCTSTR, LPDWORD, LPVOID, DWORD);
static PFNGETFONTRESOURCEINFO GetFontResourceInfo = _gdi32.GetProcAddress("GetFontResourceInfoW");
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) {
wchar_t fname[_MAX_FNAME];
_wsplitpath(fontPath, nullptr, nullptr, fname, nullptr);
wcsncpy_s(logfont.lfFaceName, lengthof(logfont.lfFaceName), fname, _TRUNCATE);
logfont.lfWeight = strcasestr(font_name, " bold") != nullptr || strcasestr(font_name, "-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", font_name, SIZE_TO_NAME[fs]);
}
}
}
if (logfont.lfFaceName[0] == 0) {
logfont.lfWeight = strcasestr(font_name, " bold") != nullptr ? FW_BOLD : FW_NORMAL; // Poor man's way to allow selecting bold fonts.
convert_to_fs(font_name, logfont.lfFaceName, lengthof(logfont.lfFaceName));
}
HFONT font = CreateFontIndirect(&logfont);
if (font == nullptr) {
ShowInfoF("Unable to use '%s' for %s font, Win32 reported error 0x%lX, using sprite font instead", font_name, SIZE_TO_NAME[fs], GetLastError());
return;
}
DeleteObject(font);
new Win32FontCache(fs, logfont, settings->size);
}
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