/* vim:expandtab:ts=2 sw=2: */ /* Grafx2 - The Ultimate 256-color bitmap paint program Copyright 2014 Sergii Pylypenko Copyright 2011 Pawel Góralski Copyright 2008 Yves Rizoud Copyright 2008 Franck Charlet Copyright 2008 Adrien Destugues Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud) Grafx2 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 of the License. Grafx2 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 Grafx2; if not, see */ // Pour désactiver le support TrueType, définir NOTTF // To disable TrueType support, define NOTTF #include #include #include // tolower() // TrueType #ifndef NOTTF #include #if defined(__CAANOO__) || defined(__WIZ__) || defined(__GP2X__) // No fontconfig #elif defined(USE_FC) && !defined(NOTTF) #include #endif #endif #if defined(__macosx__) #import #import #endif #ifdef _MSC_VER #include #define strdup _strdup #if _MSC_VER < 1900 #define snprintf _snprintf #endif #endif #if defined(WIN32) #include #include #endif #if defined(USE_SDL) || defined(USE_SDL2) #include #include "sdlscreen.h" #endif #include "struct.h" #include "global.h" #include "io.h" #include "errors.h" #include "windows.h" #include "misc.h" #include "setup.h" #include "loadsave.h" #include "SFont.h" typedef struct T_Font { char * Name; int Is_truetype; int Is_bitmap; char Label[22]; // Liste chainée simple struct T_Font * Next; struct T_Font * Previous; } T_Font; // Liste chainée des polices de texte T_Font * font_list_start; int Nb_fonts; // Inspiré par Allegro #define EXTID(a,b,c) ((((a)&255)<<16) | (((b)&255)<<8) | (((c)&255))) #define EXTID4(a,b,c,d) ((((a)&255)<<24) | (((b)&255)<<16) | (((c)&255)<<8) | (((d)&255))) static int Compare_fonts(T_Font * font_1, T_Font * font_2) { if (font_1->Is_bitmap && !font_2->Is_bitmap) return -1; if (font_2->Is_bitmap && !font_1->Is_bitmap) return 1; return strcmp(font_1->Label, font_2->Label); } static void Insert_font(T_Font * font) { // Gestion Liste font->Next = NULL; font->Previous = NULL; if (font_list_start==NULL) { // Premiere (liste vide) font_list_start = font; Nb_fonts++; } else { int compare; compare = Compare_fonts(font, font_list_start); if (compare<=0) { if (compare==0 && !strcmp(font->Name, font_list_start->Name)) { // Doublon free(font->Name); free(font); return; } // Avant la premiere font->Next=font_list_start; font_list_start=font; Nb_fonts++; } else { T_Font *searched_font; searched_font=font_list_start; while (searched_font->Next && (compare=Compare_fonts(font, searched_font->Next))>0) searched_font=searched_font->Next; // Après searched_font if (compare==0 && strcmp(font->Name, searched_font->Next->Name)==0) { // Doublon free(font->Name); free(font); return; } font->Next=searched_font->Next; searched_font->Next=font; Nb_fonts++; } } } // Ajout d'une fonte à la liste. static void Add_font(const char *name, const char * font_name) { T_Font * font; int size=strlen(name)+1; int index; // Détermination du type: #if defined(__macosx__) char strFontName[512]; CFStringRef CFSFontName;// = CFSTR(name); if (size < 6) return; CFSFontName = CFStringCreateWithBytes(NULL, (UInt8 *) name, size - 1, kCFStringEncodingASCII, false); // Fix some funny names CFStringGetCString(CFSFontName, strFontName, 512, kCFStringEncodingASCII); // Now we have a printable font name, use it name = strFontName; #else if (size<5 || name[size-5]!='.') return; #endif #if defined(WIN32) && defined(NOTTF) // Register font in windows so they will be visible with EnumFontFamiliesEx() if (AddFontResourceExA(name, FR_PRIVATE, 0) > 0) return; #endif font = (T_Font *)malloc(sizeof(T_Font)); switch (EXTID(tolower(name[size-4]), tolower(name[size-3]), tolower(name[size-2]))) { case EXTID('t','t','f'): case EXTID('f','o','n'): case EXTID('o','t','f'): case EXTID('p','f','b'): font->Is_truetype = 1; font->Is_bitmap = 0; break; case EXTID('b','m','p'): case EXTID('g','i','f'): case EXTID('j','p','g'): case EXTID('l','b','m'): case EXTID('p','c','x'): case EXTID('p','n','g'): case EXTID('t','g','a'): case EXTID('t','i','f'): case EXTID('x','c','f'): case EXTID('x','p','m'): case EXTID('.','x','v'): font->Is_truetype = 0; font->Is_bitmap = 1; break; default: #if defined(__macosx__) if(strcasecmp(&name[size-6], "dfont") == 0) { font->Is_truetype = 1; font->Is_bitmap = 0; } else { free(font); return; } #else free(font); return; #endif } font->Name = strdup(name); // Label memset(font->Label, ' ', sizeof(font->Label)); font->Label[19] = '\0'; if (font->Is_truetype) font->Label[17]=font->Label[18]='T'; // Logo TT for (index=0; index < 17 && font_name[index]!='\0' && font_name[index]!='.'; index++) font->Label[index]=font_name[index]; Insert_font(font); } // Trouve le nom d'une fonte par son numéro char * Font_name(int index) { T_Font *font = font_list_start; if (index<0 ||index>=Nb_fonts) return ""; while (index--) font = font->Next; return font->Name; } // Trouve le libellé d'affichage d'une fonte par son numéro // Renvoie un pointeur sur un buffer statique de 20 caracteres. char * Font_label(int index) { T_Font *font; static char label[20]; strcpy(label, " "); // Recherche de la fonte font = font_list_start; if (index<0 ||index>=Nb_fonts) return label; while (index--) font = font->Next; // Libellé strcpy(label, font->Label); return label; } // Vérifie si une fonte donnée est TrueType int TrueType_font(int index) { T_Font *font = font_list_start; if (index<0 ||index>=Nb_fonts) return 0; while (index--) font = font->Next; return font->Is_truetype; } #if defined(WIN32) && defined(NOTTF) static int CALLBACK EnumFontFamCallback(CONST LOGFONTA *lpelf, CONST TEXTMETRICA *lpntm, DWORD FontType, LPARAM lParam) { char type[3] = { ' ', ' ', '\0' }; T_Font * font; (void)lParam; // we don't use the custom callback param if (FontType & TRUETYPE_FONTTYPE) type[0] = type[1] = 'T'; else if (FontType & RASTER_FONTTYPE) type[0] = 'R'; // Raster font. if (((CONST NEWTEXTMETRICA *)lpntm)->ntmFlags & NTM_TT_OPENTYPE) type[0] = 'O'; // OpenType font font = (T_Font *)malloc(sizeof(T_Font)); font->Is_bitmap = 0; font->Is_truetype = 1; snprintf(font->Label, sizeof(font->Label), "%-17.17s%s", lpelf->lfFaceName, type); font->Name = strdup(lpelf->lfFaceName); Insert_font(font); return 1; // non-zero : continue enumeration } #endif // Initialisation à faire une fois au début du programme void Init_text(void) { char * directory_name; #ifndef NOTTF // Initialisation de TTF TTF_Init(); #endif // Initialisation des fontes font_list_start = NULL; Nb_fonts=0; // Parcours du répertoire "fonts" directory_name = Filepath_append_to_dir(Data_directory, FONTS_SUBDIRECTORY); For_each_file(directory_name, Add_font); free(directory_name); // fonts subdirectory in Config_directory directory_name = Filepath_append_to_dir(Config_directory, "fonts"); For_each_file(directory_name, Add_font); free(directory_name); #if defined(WIN32) // Parcours du répertoire systeme windows "fonts" #ifndef NOTTF { char * WindowsPath = getenv("windir"); if (WindowsPath) { directory_name = Filepath_append_to_dir(WindowsPath, "FONTS"); For_each_file(directory_name, Add_font); free(directory_name); } } #else { LOGFONTA lf; HDC dc = GetDC(NULL); memset(&lf, 0, sizeof(lf)); lf.lfCharSet = ANSI_CHARSET /* DEFAULT_CHARSET*/; lf.lfPitchAndFamily = 0; //EnumFontsA(dc, NULL, EnumFontCallback, NULL); //EnumFontFamiliesA(dc, NULL, EnumFontFamCallback, 0); EnumFontFamiliesExA(dc, &lf, EnumFontFamCallback, 0, 0); ReleaseDC(NULL, dc); } #endif #elif defined(__macosx__) // Récupération de la liste des fonts avec fontconfig #ifndef NOTTF { int i,number; char * home_dir = NULL; const char *font_path_list[3] = { "/System/Library/Fonts", "/Library/Fonts" }; number = 2; // Make sure we also search into the user's fonts directory //CFURLRef url = (CFURLRef) CFCopyHomeDirectoryURLForUser(NULL); //CFURLGetFileSystemRepresentation(url, true, (UInt8 *) home_dir, MAXPATHLEN); if (getenv("HOME") != NULL) { home_dir = Filepath_append_to_dir(getenv("HOME"), "Library/Fonts"); font_path_list[number++] = home_dir; } for(i=0;iNext; free(font_list_start->Name); free(font_list_start); font_list_start = font; } } #ifndef NOTTF byte *Render_text_TTF(const char *str, int font_number, int size, int antialias, int bold, int italic, int *width, int *height, T_Palette palette) { TTF_Font *font; SDL_Surface * text_surface; byte * new_brush; int style; SDL_Color fg_color; SDL_Color bg_color; // Chargement de la fonte font=TTF_OpenFont(Font_name(font_number), size); if (!font) { return NULL; } // Style style=0; if (italic) style|=TTF_STYLE_ITALIC; if (bold) style|=TTF_STYLE_BOLD; TTF_SetFontStyle(font, style); // Colors: Text will be generated as white on black. fg_color.r=fg_color.g=fg_color.b=255; bg_color.r=bg_color.g=bg_color.b=0; // The following is alpha, supposedly unused #if defined(USE_SDL) bg_color.unused=fg_color.unused=255; #elif defined(USE_SDL2) bg_color.a=fg_color.a=255; #endif // Text rendering: creates a 8bit surface with its dedicated palette #ifdef __ANDROID__ if (antialias) text_surface=TTF_RenderUTF8_Shaded(font, str, fg_color, bg_color ); else text_surface=TTF_RenderUTF8_Solid(font, str, fg_color); #else if (antialias) text_surface=TTF_RenderText_Shaded(font, str, fg_color, bg_color ); else text_surface=TTF_RenderText_Solid(font, str, fg_color); #endif if (!text_surface) { TTF_CloseFont(font); return NULL; } new_brush=Surface_to_bytefield(text_surface, NULL); if (!new_brush) { SDL_FreeSurface(text_surface); TTF_CloseFont(font); return NULL; } // Import palette Get_SDL_Palette(text_surface->format->palette, palette); if (antialias) { int black_col; // Shaded text: X-Swap the color that is pure black with the BG color number, // so that the brush is immediately 'transparent' // Find black (c) for (black_col=0; black_col<256; black_col++) { if (palette[black_col].R==0 && palette[black_col].G==0 && palette[black_col].B==0) break; } // If not found: c = 256 = 0 (byte) if (black_col != Back_color) { int c; byte colmap[256]; // Swap palette entries SWAP_BYTES(palette[black_col].R, palette[Back_color].R) SWAP_BYTES(palette[black_col].G, palette[Back_color].G) SWAP_BYTES(palette[black_col].B, palette[Back_color].B) // Define a colormap for (c=0; c<256; c++) colmap[c]=c; // The swap colmap[black_col]=Back_color; colmap[Back_color]=black_col; Remap_general_lowlevel(colmap, new_brush, new_brush, text_surface->w,text_surface->h, text_surface->w); // Also, make the BG color in brush palette have same RGB values as // the current BG color : this will help for remaps. palette[Back_color].R=Main.palette[Back_color].R; palette[Back_color].G=Main.palette[Back_color].G; palette[Back_color].B=Main.palette[Back_color].B; } } else { // Solid text: Was rendered as white on black. Now map colors: // White becomes FG color, black becomes BG. 2-color palette. // Exception: if BG==FG, FG will be set to black or white - any different color. long index; byte new_fore=Fore_color; if (Fore_color==Back_color) { new_fore=Best_color_perceptual_except(Main.palette[Back_color].R, Main.palette[Back_color].G, Main.palette[Back_color].B, Back_color); } for (index=0; index < text_surface->w * text_surface->h; index++) { if (palette[*(new_brush+index)].G < 128) *(new_brush+index)=Back_color; else *(new_brush+index)=new_fore; } // Now copy the current palette to brushe's, for consistency // with the indices. memcpy(palette, Main.palette, sizeof(T_Palette)); } *width=text_surface->w; *height=text_surface->h; SDL_FreeSurface(text_surface); TTF_CloseFont(font); return new_brush; } #endif #if defined(WIN32) byte *Render_text_Win32(const char *str, int font_number, int size, int antialias, int bold, int italic, int *width, int *height, T_Palette palette) { int str_len; HGDIOBJ oldobj; HGDIOBJ oldfont; RECT rect; BITMAPINFO *bi; HDC dc; HBITMAP bm; SIZE s; byte * pixels = NULL; byte * new_brush = NULL; int i; int x, y; HFONT font; const char * font_name; font_name = Font_name(font_number); font = CreateFontA(size, 0, 0, 0 /* nOrientation */, bold ? FW_BOLD : FW_REGULAR, italic, 0 /* underline */, 0 /*strikeout */, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, antialias ? ANTIALIASED_QUALITY : NONANTIALIASED_QUALITY /* DEFAULT_QUALITY*/, DEFAULT_PITCH | FF_DONTCARE, font_name); if (font == NULL) return NULL; dc = CreateCompatibleDC(NULL); oldfont = SelectObject(dc, font); str_len = (int)strlen(str); if (!GetTextExtentPoint32A(dc, str, str_len, &s)) { s.cx = 320; s.cy = 32; } bi = (BITMAPINFO*)_alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256); memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256); bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bi->bmiHeader.biWidth = (s.cx + 3) & ~3; bi->bmiHeader.biHeight = -s.cy; bi->bmiHeader.biPlanes = 1; bi->bmiHeader.biBitCount = antialias ? 32 : 8; // the GDI does Antialiasing only on TrueColor DIB bi->bmiHeader.biCompression = BI_RGB; for (i = 0; i < 256; i++) { bi->bmiColors[i].rgbRed = i; bi->bmiColors[i].rgbGreen = i; bi->bmiColors[i].rgbBlue = i; palette[i].R = i; palette[i].G = i; palette[i].B = i; } bm = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (void **)&pixels, NULL, 0); oldobj = SelectObject(dc, bm); SetTextColor(dc, RGB(255,255,255)); SetBkColor(dc, RGB(0,0,0)); SetBkMode(dc, OPAQUE); rect.left=0; rect.top=0; rect.right = s.cx; rect.bottom = s.cy; DrawTextA(dc, str, str_len, &rect, DT_LEFT | DT_SINGLELINE | DT_NOCLIP | DT_NOPREFIX ) ; GdiFlush(); SelectObject(dc, oldobj); SelectObject(dc, oldfont); new_brush = (byte *)malloc(s.cx*s.cy); if (antialias) { for (y = 0; y < s.cy; y++) { // get the value from the 1st color component. for (x = 0; x < s.cx; x++) new_brush[x + y * s.cx] = pixels[(x + y * bi->bmiHeader.biWidth) * 4]; } } else { for (y = 0; y < s.cy; y++) { for (x = 0; x < s.cx; x++) { byte v = pixels[y*bi->bmiHeader.biWidth+x]; new_brush[y*s.cx+x] = (v != 0) ? Fore_color : Back_color; } } memcpy(palette, Main.palette, sizeof(T_Palette)); } *width = s.cx; *height = s.cy; DeleteObject(bm); ReleaseDC(NULL, dc); DeleteObject(font); return new_brush; } #endif byte *Render_text_SFont(const char *str, int font_number, int *width, int *height, T_Palette palette) { SFont_Font *font; T_GFX2_Surface * text_surface; T_GFX2_Surface *font_surface; byte * new_brush = NULL; // Chargement de la fonte font_surface = Load_surface(Font_name(font_number), NULL); if (!font_surface) { Verbose_message("Warning", "Error loading font"); // TODO this leaves a non-erased cursor when the window closes. return NULL; } font=SFont_InitFont(font_surface); if (!font) { GFX2_Log(GFX2_ERROR, "Font init failed : %s\n", Font_name(font_number)); Free_GFX2_Surface(font_surface); return NULL; } // Calcul des dimensions *height = SFont_TextHeight(font, str); *width = SFont_TextWidth(font, str); text_surface = New_GFX2_Surface(*width, *height); if (text_surface == NULL) { Warning("Failed to allocate text surface"); SFont_FreeFont(font); return NULL; } // Fill with transparent color memset(text_surface->pixels, font->Transparent, *width * *height); // Rendu du texte SFont_Write(text_surface, font, 0, 0, str); // Copy palette memcpy(palette, font_surface->palette, sizeof(T_Palette)); new_brush = text_surface->pixels; // "Steal" pixels from surface // Swap current BG color with font's transparent color if (font->Transparent != Back_color) { int c; byte colmap[256]; // Swap palette entries SWAP_BYTES(palette[font->Transparent].R, palette[Back_color].R) SWAP_BYTES(palette[font->Transparent].G, palette[Back_color].G) SWAP_BYTES(palette[font->Transparent].B, palette[Back_color].B) // Define a colormap for (c=0; c<256; c++) colmap[c]=c; // The swap colmap[font->Transparent]=Back_color; colmap[Back_color]=font->Transparent; Remap_general_lowlevel(colmap, new_brush, new_brush, text_surface->w, text_surface->h, text_surface->w); } SFont_FreeFont(font); free(text_surface); // Do not call Free_GFX2_Surface() because pixels was stolen return new_brush; } // Crée une brosse à partir des paramètres de texte demandés. // Si cela réussit, la fonction place les dimensions dans width et height, // et retourne l'adresse du bloc d'octets. byte *Render_text(const char *str, int font_number, int size, int antialias, int bold, int italic, int *width, int *height, T_Palette palette) { T_Font *font = font_list_start; int index=font_number; #if defined(NOTTF) && !defined(WIN32) (void) size; // unused (void) antialias; // unused (void) bold; // unused (void) italic; // unused #endif // Verification type de la fonte if (font_number<0 ||font_number>=Nb_fonts) return NULL; while (index--) font = font->Next; if (font->Is_truetype) { #if !defined(NOTTF) return Render_text_TTF(str, font_number, size, antialias, bold, italic, width, height, palette); #elif defined(WIN32) return Render_text_Win32(str, font_number, size, antialias, bold, italic, width, height, palette); #else return NULL; #endif } else { return Render_text_SFont(str, font_number, width, height, palette); } }