peter1138@5108: /* $Id$ */
peter1138@5108: 
peter1138@5108: #include "stdafx.h"
peter1138@5108: #include "openttd.h"
peter1138@5108: #include "functions.h"
peter1138@5108: #include "macros.h"
peter1138@5108: #include "debug.h"
peter1138@5108: #include "table/sprites.h"
peter1138@5108: #include "table/control_codes.h"
peter1138@5108: #include "spritecache.h"
peter1138@5108: #include "gfx.h"
peter1138@5108: #include "string.h"
peter1138@5108: #include "fontcache.h"
peter1138@5108: 
peter1138@5108: #ifdef WITH_FREETYPE
peter1138@5108: 
peter1138@5108: #include <ft2build.h>
peter1138@5108: #include FT_FREETYPE_H
peter1138@5108: #include FT_GLYPH_H
peter1138@5108: 
rubidium@5117: #ifdef WITH_FONTCONFIG
rubidium@5117: #include <fontconfig/fontconfig.h>
rubidium@5117: #endif
rubidium@5117: 
peter1138@5108: static FT_Library _library = NULL;
peter1138@5108: static FT_Face _face_small = NULL;
peter1138@5108: static FT_Face _face_medium = NULL;
peter1138@5108: static FT_Face _face_large = NULL;
peter1138@5108: 
peter1138@5108: FreeTypeSettings _freetype;
peter1138@5108: 
peter1138@5108: enum {
peter1138@5108: 	FACE_COLOUR = 1,
peter1138@5108: 	SHADOW_COLOUR = 2,
peter1138@5108: };
peter1138@5108: 
Darkvater@5267: /** Get the font loaded into a Freetype face by using a font-name.
Darkvater@5267:  * If no appropiate font is found, the function returns an error */
Darkvater@5222: #ifdef WIN32
Darkvater@5222: #include <windows.h>
Darkvater@5222: #include <tchar.h>
Darkvater@5222: #include <shlobj.h> // SHGetFolderPath
Darkvater@5222: #include "win32.h"
Darkvater@5222: 
Darkvater@5267: /* Get the font file to be loaded into Freetype by looping the registry
Darkvater@5267:  * location where windows lists all installed fonts. Not very nice, will
Darkvater@5267:  * surely break if the registry path changes, but it works. Much better
Darkvater@5267:  * solution would be to use CreateFont, and extract the font data from it
Darkvater@5267:  * by GetFontData. The problem with this is that the font file needs to be
Darkvater@5267:  * kept in memory then until the font is no longer needed. This could mean
Darkvater@5267:  * an additional memory usage of 30MB (just for fonts!) when using an eastern
Darkvater@5267:  * font for all font sizes */
Darkvater@5222: #define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
Darkvater@5222: #define FONT_DIR_9X "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Fonts"
Darkvater@5222: static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
Darkvater@5222: {
Darkvater@5222: 	FT_Error err = FT_Err_Cannot_Open_Resource;
Darkvater@5222: 	HKEY hKey;
Darkvater@5222: 	LONG ret;
Darkvater@5222: 	TCHAR vbuffer[MAX_PATH], dbuffer[256];
Darkvater@5267: 	TCHAR *font_namep;
Darkvater@5222: 	char *font_path;
Darkvater@5222: 	uint index;
Darkvater@5222: 
Darkvater@5222: 	/* On windows NT (2000, NT3.5, XP, etc.) the fonts are stored in the
Darkvater@5222: 	 * "Windows NT" key, on Windows 9x in the Windows key. To save us having
Darkvater@5222: 	 * to retrieve the windows version, we'll just query both */
Darkvater@5222: 	ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T(FONT_DIR_NT), 0, KEY_READ, &hKey);
Darkvater@5222: 	if (ret != ERROR_SUCCESS) ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T(FONT_DIR_9X), 0, KEY_READ, &hKey);
Darkvater@5222: 
Darkvater@5222: 	if (ret != ERROR_SUCCESS) {
Darkvater@5568: 		DEBUG(freetype, 0, "Cannot open registry key HKLM\\SOFTWARE\\Microsoft\\Windows (NT)\\CurrentVersion\\Fonts");
Darkvater@5222: 		return err;
Darkvater@5222: 	}
Darkvater@5222: 
Darkvater@5267: 	/* For Unicode we need some conversion between widechar and
Darkvater@5267: 	 * normal char to match the data returned by RegEnumValue,
Darkvater@5267: 	 * otherwise just use parameter */
Darkvater@5267: #if defined(UNICODE)
Darkvater@5267: 	font_namep = malloc(MAX_PATH * sizeof(TCHAR));
Darkvater@5267: 	MB_TO_WIDE_BUFFER(font_name, font_namep, MAX_PATH * sizeof(TCHAR));
Darkvater@5267: #else
Darkvater@5267: 	font_namep = (char*)font_name; // only cast because in unicode pointer is not const
Darkvater@5267: #endif
Darkvater@5267: 
Darkvater@5222: 	for (index = 0;; index++) {
Darkvater@5267: 		TCHAR *s;
Darkvater@5222: 		DWORD vbuflen = lengthof(vbuffer);
Darkvater@5222: 		DWORD dbuflen = lengthof(dbuffer);
Darkvater@5222: 
Darkvater@5267: 		ret = RegEnumValue(hKey, index, vbuffer, &vbuflen, NULL, NULL, (byte*)dbuffer, &dbuflen);
Darkvater@5240: 		if (ret != ERROR_SUCCESS) goto registry_no_font_found;
Darkvater@5222: 
Darkvater@5222: 		/* The font names in the registry are of the following 3 forms:
Darkvater@5222: 		 * - ADMUI3.fon
Darkvater@5222: 		 * - Book Antiqua Bold (TrueType)
Darkvater@5222: 		 * - Batang & BatangChe & Gungsuh & GungsuhChe (TrueType)
Darkvater@5222: 		 * We will strip the font-type '()' if any and work with the font name
Darkvater@5222: 		 * itself, which must match exactly; if...
Darkvater@5222: 		 * TTC files, font files which contain more than one font are seperated
Darkvater@5222: 		 * byt '&'. Our best bet will be to do substr match for the fontname
Darkvater@5222: 		 * and then let FreeType figure out which index to load */
Darkvater@5267: 		s = _tcschr(vbuffer, _T('('));
Darkvater@5222: 		if (s != NULL) s[-1] = '\0';
Darkvater@5222: 
Darkvater@5267: 		if (_tcschr(vbuffer, _T('&')) == NULL) {
Darkvater@5267: 			if (_tcsicmp(vbuffer, font_namep) == 0) break;
Darkvater@5222: 		} else {
Darkvater@5267: 			if (_tcsstr(vbuffer, font_namep) != NULL) break;
Darkvater@5222: 		}
Darkvater@5222: 	}
Darkvater@5222: 
Darkvater@5222: 	if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, vbuffer))) {
Darkvater@5568: 		DEBUG(freetype, 0, "SHGetFolderPath cannot return fonts directory");
Darkvater@5222: 		goto folder_error;
Darkvater@5222: 	}
Darkvater@5222: 
Darkvater@5222: 	/* Some fonts are contained in .ttc files, TrueType Collection fonts. These
Darkvater@5222: 	 * contain multiple fonts inside this single file. GetFontData however
Darkvater@5222: 	 * returns the whole file, so we need to check each font inside to get the
Darkvater@5240: 	 * proper font.
Darkvater@5222: 	 * Also note that FreeType does not support UNICODE filesnames! */
Darkvater@5222: #if defined(UNICODE)
Darkvater@5267: 	/* We need a cast here back from wide because FreeType doesn't support
Darkvater@5267: 	 * widechar filenames. Just use the buffer we allocated before for the
Darkvater@5267: 	 * font_name search */
Darkvater@5267: 	font_path = (char*)font_namep;
Darkvater@5267: 	WIDE_TO_MB_BUFFER(vbuffer, font_path, MAX_PATH * sizeof(TCHAR));
Darkvater@5222: #else
Darkvater@5222: 	font_path = vbuffer;
Darkvater@5222: #endif
Darkvater@5222: 
Darkvater@5267: 	ttd_strlcat(font_path, "\\", MAX_PATH * sizeof(TCHAR));
Darkvater@5267: 	ttd_strlcat(font_path, WIDE_TO_MB(dbuffer), MAX_PATH * sizeof(TCHAR));
Darkvater@5222: 	index = 0;
Darkvater@5222: 	do {
Darkvater@5222: 		err = FT_New_Face(_library, font_path, index, face);
Darkvater@5222: 		if (err != FT_Err_Ok) break;
Darkvater@5222: 
Darkvater@5222: 		if (strncasecmp(font_name, (*face)->family_name, strlen((*face)->family_name)) == 0) break;
Darkvater@5222: 		err = FT_Err_Cannot_Open_Resource;
Darkvater@5222: 
Darkvater@5222: 	} while ((FT_Long)++index != (*face)->num_faces);
Darkvater@5222: 
Darkvater@5267: 
Darkvater@5267: folder_error:
Darkvater@5222: #if defined(UNICODE)
Darkvater@5222: 	free(font_path);
Darkvater@5222: #endif
Darkvater@5240: registry_no_font_found:
Darkvater@5222: 	RegCloseKey(hKey);
Darkvater@5222: 	return err;
Darkvater@5222: }
Darkvater@5222: #else
Darkvater@5222: # ifdef WITH_FONTCONFIG
Darkvater@5222: static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
Darkvater@5222: {
Darkvater@5222: 	FT_Error err = FT_Err_Cannot_Open_Resource;
Darkvater@5222: 
Darkvater@5222: 	if (!FcInit()) {
Darkvater@5222: 		ShowInfoF("Unable to load font configuration");
Darkvater@5222: 	} else {
Darkvater@5222: 		FcPattern *match;
Darkvater@5222: 		FcPattern *pat;
Darkvater@5222: 		FcFontSet *fs;
Darkvater@5222: 		FcResult  result;
Darkvater@5222: 		char *font_style;
Darkvater@5222: 		char *font_family;
Darkvater@5222: 
Darkvater@5222: 		/* Split & strip the font's style */
Darkvater@5222: 		font_family = strdup(font_name);
Darkvater@5222: 		font_style = strchr(font_family, ',');
Darkvater@5222: 		if (font_style != NULL) {
Darkvater@5222: 			font_style[0] = '\0';
Darkvater@5222: 			font_style++;
Darkvater@5222: 			while (*font_style == ' ' || *font_style == '\t') font_style++;
Darkvater@5222: 		}
Darkvater@5222: 
Darkvater@5222: 		/* Resolve the name and populate the information structure */
Darkvater@5222: 		pat = FcNameParse((FcChar8*)font_family);
Darkvater@5222: 		if (font_style != NULL) FcPatternAddString(pat, FC_STYLE, (FcChar8*)font_style);
Darkvater@5222: 		FcConfigSubstitute(0, pat, FcMatchPattern);
Darkvater@5222: 		FcDefaultSubstitute(pat);
Darkvater@5222: 		fs = FcFontSetCreate();
Darkvater@5222: 		match = FcFontMatch(0, pat, &result);
Darkvater@5222: 
Darkvater@5222: 		if (fs != NULL && match != NULL) {
Darkvater@5222: 			int i;
Darkvater@5222: 			FcChar8 *family;
Darkvater@5222: 			FcChar8 *style;
Darkvater@5222: 			FcChar8 *file;
Darkvater@5222: 			FcFontSetAdd(fs, match);
Darkvater@5222: 
Darkvater@5222: 			for (i = 0; err != FT_Err_Ok && i < fs->nfont; i++) {
Darkvater@5222: 				/* Try the new filename */
Darkvater@5222: 				if (FcPatternGetString(fs->fonts[i], FC_FILE,   0, &file)   == FcResultMatch &&
Darkvater@5222: 						FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, &family) == FcResultMatch &&
Darkvater@5222: 						FcPatternGetString(fs->fonts[i], FC_STYLE,  0, &style)  == FcResultMatch) {
Darkvater@5222: 
Darkvater@5222: 					/* The correct style? */
Darkvater@5222: 					if (font_style != NULL && strcasecmp(font_style, (char*)style) != 0) continue;
Darkvater@5222: 
Darkvater@5222: 					/* Font config takes the best shot, which, if the family name is spelled
Darkvater@5222: 					* wrongly a 'random' font, so check whether the family name is the
Darkvater@5222: 					* same as the supplied name */
Darkvater@5222: 					if (strcasecmp(font_family, (char*)family) == 0) {
Darkvater@5222: 						err = FT_New_Face(_library, (char *)file, 0, face);
Darkvater@5222: 					}
Darkvater@5222: 				}
Darkvater@5222: 			}
Darkvater@5222: 		}
Darkvater@5222: 
Darkvater@5222: 		free(font_family);
Darkvater@5222: 		FcPatternDestroy(pat);
Darkvater@5222: 		FcFontSetDestroy(fs);
Darkvater@5222: 		FcFini();
Darkvater@5222: 	}
Darkvater@5222: 
Darkvater@5222: 	return err;
Darkvater@5222: }
Darkvater@5222: # else
Darkvater@5222: FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) {return FT_Err_Cannot_Open_Resource;}
Darkvater@5222: # endif /* WITH_FONTCONFIG */
Darkvater@5222: 
Darkvater@5222: #endif
peter1138@5108: 
rubidium@5117: /**
rubidium@5117:  * Loads the freetype font.
rubidium@5117:  * First type to load the fontname as if it were a path. If that fails,
rubidium@5117:  * try to resolve the filename of the font using fontconfig, where the
rubidium@5117:  * format is 'font family name' or 'font family name, font style'.
rubidium@5117:  */
peter1138@5108: static void LoadFreeTypeFont(const char *font_name, FT_Face *face, const char *type)
peter1138@5108: {
peter1138@5108: 	FT_Error error;
peter1138@5108: 
peter1138@5108: 	if (strlen(font_name) == 0) return;
peter1138@5108: 
peter1138@5108: 	error = FT_New_Face(_library, font_name, 0, face);
Darkvater@5219: 
Darkvater@5222: 	if (error != FT_Err_Ok) error = GetFontByFaceName(font_name, face);
Darkvater@5219: 
Darkvater@5222: 	if (error == FT_Err_Ok) {
Darkvater@5568: 		DEBUG(freetype, 2, "Requested '%s', using '%s %s'", font_name, (*face)->family_name, (*face)->style_name);
Darkvater@5219: 
peter1138@5108: 		/* Attempt to select the unicode character map */
peter1138@5108: 		error = FT_Select_Charmap(*face, ft_encoding_unicode);
Darkvater@5222: 		if (error == FT_Err_Ok) return; // Success
Darkvater@5222: 
Darkvater@5222: 		if (error == FT_Err_Invalid_CharMap_Handle) {
peter1138@5108: 			/* Try to pick a different character map instead. We default to
peter1138@5108: 			 * the first map, but platform_id 0 encoding_id 0 should also
peter1138@5108: 			 * be unicode (strange system...) */
peter1138@5108: 			FT_CharMap found = (*face)->charmaps[0];
peter1138@5108: 			int i;
peter1138@5108: 
peter1138@5108: 			for (i = 0; i < (*face)->num_charmaps; i++) {
peter1138@5108: 				FT_CharMap charmap = (*face)->charmaps[i];
peter1138@5108: 				if (charmap->platform_id == 0 && charmap->encoding_id == 0) {
peter1138@5108: 					found = charmap;
peter1138@5108: 				}
peter1138@5108: 			}
peter1138@5108: 
peter1138@5108: 			if (found != NULL) {
peter1138@5108: 				error = FT_Set_Charmap(*face, found);
peter1138@5108: 				if (error == FT_Err_Ok) return;
peter1138@5108: 			}
peter1138@5108: 		}
Darkvater@5240: 	}
peter1138@5108: 
Darkvater@5240: 	FT_Done_Face(*face);
Darkvater@5240: 	*face = NULL;
peter1138@5108: 
peter1138@5108: 	ShowInfoF("Unable to use '%s' for %s font, FreeType reported error 0x%X, using sprite font instead", font_name, type, error);
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: void InitFreeType(void)
peter1138@5108: {
peter1138@5108: 	if (strlen(_freetype.small_font) == 0 && strlen(_freetype.medium_font) == 0 && strlen(_freetype.large_font) == 0) {
Darkvater@5568: 		DEBUG(freetype, 1, "No font faces specified, using sprite fonts instead");
peter1138@5108: 		return;
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	if (FT_Init_FreeType(&_library) != FT_Err_Ok) {
peter1138@5108: 		ShowInfoF("Unable to initialize FreeType, using sprite fonts instead");
peter1138@5108: 		return;
peter1138@5108: 	}
peter1138@5108: 
Darkvater@5568: 	DEBUG(freetype, 2, "Initialized");
peter1138@5108: 
peter1138@5108: 	/* Load each font */
peter1138@5108: 	LoadFreeTypeFont(_freetype.small_font,  &_face_small,  "small");
peter1138@5108: 	LoadFreeTypeFont(_freetype.medium_font, &_face_medium, "medium");
peter1138@5108: 	LoadFreeTypeFont(_freetype.large_font,  &_face_large,  "large");
peter1138@5108: 
peter1138@5108: 	/* Set each font size */
peter1138@5108: 	if (_face_small  != NULL) FT_Set_Pixel_Sizes(_face_small,  0, _freetype.small_size);
peter1138@5108: 	if (_face_medium != NULL) FT_Set_Pixel_Sizes(_face_medium, 0, _freetype.medium_size);
peter1138@5108: 	if (_face_large  != NULL) FT_Set_Pixel_Sizes(_face_large,  0, _freetype.large_size);
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: static FT_Face GetFontFace(FontSize size)
peter1138@5108: {
peter1138@5108: 	switch (size) {
peter1138@5108: 		default: NOT_REACHED();
peter1138@5108: 		case FS_NORMAL: return _face_medium;
peter1138@5108: 		case FS_SMALL:  return _face_small;
peter1138@5108: 		case FS_LARGE:  return _face_large;
peter1138@5108: 	}
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: typedef struct GlyphEntry {
peter1138@5108: 	Sprite *sprite;
peter1138@5108: 	byte width;
peter1138@5108: } GlyphEntry;
peter1138@5108: 
peter1138@5108: 
peter1138@5108: /* The glyph cache. This is structured to reduce memory consumption.
peter1138@5108:  * 1) There is a 'segment' table for each font size.
peter1138@5108:  * 2) Each segment table is a discrete block of characters.
peter1138@5108:  * 3) Each block contains 256 (aligned) characters sequential characters.
peter1138@5108:  *
peter1138@5108:  * The cache is accessed in the following way:
peter1138@5108:  * For character 0x0041  ('A'): _glyph_ptr[FS_NORMAL][0x00][0x41]
peter1138@5108:  * For character 0x20AC (Euro): _glyph_ptr[FS_NORMAL][0x20][0xAC]
peter1138@5108:  *
peter1138@5108:  * Currently only 256 segments are allocated, "limiting" us to 65536 characters.
peter1138@5108:  * This can be simply changed in the two functions Get & SetGlyphPtr.
peter1138@5108:  */
peter1138@5108: static GlyphEntry **_glyph_ptr[FS_END];
peter1138@5108: 
peter1138@5108: 
peter1138@5108: static GlyphEntry *GetGlyphPtr(FontSize size, WChar key)
peter1138@5108: {
peter1138@5108: 	if (_glyph_ptr[size] == NULL) return NULL;
peter1138@5108: 	if (_glyph_ptr[size][GB(key, 8, 8)] == NULL) return NULL;
peter1138@5108: 	return &_glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)];
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: static void SetGlyphPtr(FontSize size, WChar key, const GlyphEntry *glyph)
peter1138@5108: {
peter1138@5108: 	if (_glyph_ptr[size] == NULL) {
Darkvater@5568: 		DEBUG(freetype, 3, "Allocating root glyph cache for size %u", size);
peter1138@5108: 		_glyph_ptr[size] = calloc(256, sizeof(**_glyph_ptr));
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	if (_glyph_ptr[size][GB(key, 8, 8)] == NULL) {
Darkvater@5568: 		DEBUG(freetype, 3, "Allocating glyph cache for range 0x%02X00, size %u", GB(key, 8, 8), size);
peter1138@5108: 		_glyph_ptr[size][GB(key, 8, 8)] = calloc(256, sizeof(***_glyph_ptr));
peter1138@5108: 	}
peter1138@5108: 
Darkvater@5568: 	DEBUG(freetype, 4, "Set glyph for unicode character 0x%04X, size %u", key, size);
peter1138@5108: 	_glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)].sprite = glyph->sprite;
peter1138@5108: 	_glyph_ptr[size][GB(key, 8, 8)][GB(key, 0, 8)].width  = glyph->width;
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: const Sprite *GetGlyph(FontSize size, WChar key)
peter1138@5108: {
peter1138@5108: 	FT_Face face = GetFontFace(size);
peter1138@5108: 	FT_GlyphSlot slot;
peter1138@5108: 	GlyphEntry new_glyph;
peter1138@5108: 	GlyphEntry *glyph;
peter1138@5108: 	Sprite *sprite;
peter1138@5108: 	int width;
peter1138@5108: 	int height;
peter1138@5108: 	int x;
peter1138@5108: 	int y;
peter1138@5108: 	int y_adj;
peter1138@5108: 
peter1138@5108: 	assert(IsPrintable(key));
peter1138@5108: 
peter1138@5108: 	/* Bail out if no face loaded, or for our special characters */
peter1138@5108: 	if (face == NULL || (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END)) {
peter1138@5108: 		SpriteID sprite = GetUnicodeGlyph(size, key);
peter1138@5108: 		if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
peter1138@5108: 		return GetSprite(sprite);
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	/* Check for the glyph in our cache */
peter1138@5108: 	glyph = GetGlyphPtr(size, key);
peter1138@5108: 	if (glyph != NULL && glyph->sprite != NULL) return glyph->sprite;
peter1138@5108: 
peter1138@5108: 	slot = face->glyph;
peter1138@5108: 
peter1138@5108: 	FT_Load_Char(face, key, FT_LOAD_DEFAULT);
peter1138@5108: 	FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
peter1138@5108: 
peter1138@5108: 	/* Add 1 pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel */
peter1138@5108: 	width  = max(1, slot->bitmap.width + (size == FS_NORMAL));
peter1138@5108: 	height = max(1, slot->bitmap.rows  + (size == FS_NORMAL));
peter1138@5108: 
peter1138@5108: 	/* FreeType has rendered the glyph, now we allocate a sprite and copy the image into it */
peter1138@5108: 	sprite = calloc(width * height + 8, 1);
peter1138@5108: 	sprite->info   = 1;
peter1138@5108: 	sprite->width  = width;
peter1138@5108: 	sprite->height = height;
peter1138@5108: 	sprite->x_offs = slot->bitmap_left;
peter1138@5108: 	// XXX 2 should be determined somehow... it's right for the normal face
peter1138@5108: 	y_adj = (size == FS_NORMAL) ? 2 : 0;
peter1138@5108: 	sprite->y_offs = GetCharacterHeight(size) - slot->bitmap_top - y_adj;
peter1138@5108: 
peter1138@5108: 	/* Draw shadow for medium size */
peter1138@5108: 	if (size == FS_NORMAL) {
peter1138@5108: 		for (y = 0; y < slot->bitmap.rows; y++) {
peter1138@5108: 			for (x = 0; x < slot->bitmap.width; x++) {
peter1138@5108: 				if (HASBIT(slot->bitmap.buffer[(x / 8) + y * slot->bitmap.pitch], 7 - (x % 8))) {
peter1138@5108: 					sprite->data[1 + x + (1 + y) * sprite->width] = SHADOW_COLOUR;
peter1138@5108: 				}
peter1138@5108: 			}
peter1138@5108: 		}
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	for (y = 0; y < slot->bitmap.rows; y++) {
peter1138@5108: 		for (x = 0; x < slot->bitmap.width; x++) {
peter1138@5108: 			if (HASBIT(slot->bitmap.buffer[(x / 8) + y * slot->bitmap.pitch], 7 - (x % 8))) {
peter1138@5108: 				sprite->data[x + y * sprite->width] = FACE_COLOUR;
peter1138@5108: 			}
peter1138@5108: 		}
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	new_glyph.sprite = sprite;
peter1138@5108: 	new_glyph.width  = (slot->advance.x >> 6) + (size != FS_NORMAL);
peter1138@5108: 
peter1138@5108: 	SetGlyphPtr(size, key, &new_glyph);
peter1138@5108: 
peter1138@5108: 	return sprite;
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: uint GetGlyphWidth(FontSize size, WChar key)
peter1138@5108: {
peter1138@5108: 	FT_Face face = GetFontFace(size);
peter1138@5108: 	GlyphEntry *glyph;
peter1138@5108: 
peter1138@5108: 	if (face == NULL || (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END)) {
peter1138@5108: 		SpriteID sprite = GetUnicodeGlyph(size, key);
peter1138@5108: 		if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
peter1138@5108: 		return SpriteExists(sprite) ? GetSprite(sprite)->width + (size != FS_NORMAL) : 0;
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	glyph = GetGlyphPtr(size, key);
peter1138@5108: 	if (glyph == NULL || glyph->sprite == NULL) {
peter1138@5108: 		GetGlyph(size, key);
peter1138@5108: 		glyph = GetGlyphPtr(size, key);
peter1138@5108: 	}
peter1138@5108: 
peter1138@5108: 	return glyph->width;
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: #endif /* WITH_FREETYPE */
peter1138@5108: 
peter1138@5108: /* Sprite based glyph mapping */
peter1138@5108: 
peter1138@5108: #include "table/unicode.h"
peter1138@5108: 
peter1138@5108: static SpriteID **_unicode_glyph_map[FS_END];
peter1138@5108: 
peter1138@5108: 
peter1138@5108: /** Get the SpriteID of the first glyph for the given font size */
peter1138@5108: static SpriteID GetFontBase(FontSize size)
peter1138@5108: {
peter1138@5108: 	switch (size) {
peter1138@5108: 		default: NOT_REACHED();
peter1138@5108: 		case FS_NORMAL: return SPR_ASCII_SPACE;
peter1138@5108: 		case FS_SMALL:  return SPR_ASCII_SPACE_SMALL;
peter1138@5108: 		case FS_LARGE:  return SPR_ASCII_SPACE_BIG;
peter1138@5108: 	}
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: SpriteID GetUnicodeGlyph(FontSize size, uint32 key)
peter1138@5108: {
peter1138@5108: 	if (_unicode_glyph_map[size][GB(key, 8, 8)] == NULL) return 0;
peter1138@5108: 	return _unicode_glyph_map[size][GB(key, 8, 8)][GB(key, 0, 8)];
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: void SetUnicodeGlyph(FontSize size, uint32 key, SpriteID sprite)
peter1138@5108: {
peter1138@5108: 	if (_unicode_glyph_map[size] == NULL) _unicode_glyph_map[size] = calloc(256, sizeof(*_unicode_glyph_map[size]));
peter1138@5108: 	if (_unicode_glyph_map[size][GB(key, 8, 8)] == NULL) _unicode_glyph_map[size][GB(key, 8, 8)] = calloc(256, sizeof(**_unicode_glyph_map[size]));
peter1138@5108: 	_unicode_glyph_map[size][GB(key, 8, 8)][GB(key, 0, 8)] = sprite;
peter1138@5108: }
peter1138@5108: 
peter1138@5108: 
peter1138@5108: void InitializeUnicodeGlyphMap(void)
peter1138@5108: {
peter1138@5108: 	FontSize size;
peter1138@5108: 	SpriteID base;
peter1138@5108: 	SpriteID sprite;
peter1138@5108: 	uint i;
peter1138@5108: 
peter1138@5108: 	for (size = FS_NORMAL; size != FS_END; size++) {
peter1138@5153: 		/* Clear out existing glyph map if it exists */
peter1138@5153: 		if (_unicode_glyph_map[size] != NULL) {
peter1138@5153: 			for (i = 0; i < 256; i++) {
peter1138@5153: 				if (_unicode_glyph_map[size][i] != NULL) free(_unicode_glyph_map[size][i]);
peter1138@5153: 			}
peter1138@5154: 			free(_unicode_glyph_map[size]);
peter1138@5153: 			_unicode_glyph_map[size] = NULL;
peter1138@5153: 		}
peter1138@5153: 
peter1138@5108: 		base = GetFontBase(size);
peter1138@5108: 		for (i = ASCII_LETTERSTART; i < 256; i++) {
peter1138@5108: 			sprite = base + i - ASCII_LETTERSTART;
peter1138@5108: 			if (!SpriteExists(sprite)) continue;
peter1138@5108: 			SetUnicodeGlyph(size, i, sprite);
peter1138@5108: 			SetUnicodeGlyph(size, i + SCC_SPRITE_START, sprite);
peter1138@5108: 		}
peter1138@5108: 		for (i = 0; i < lengthof(_default_unicode_map); i++) {
peter1138@5108: 			sprite = base + _default_unicode_map[i].key - ASCII_LETTERSTART;
peter1138@5108: 			SetUnicodeGlyph(size, _default_unicode_map[i].code, sprite);
peter1138@5108: 		}
peter1138@5108: 	}
peter1138@5108: }
peter1138@5108: 
Darkvater@5568: 
Darkvater@5568: