[4597] | 1 | /* |
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[3655] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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[3766] | 12 | main-programmer: Benjamin Grauer |
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[3655] | 13 | co-programmer: ... |
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[3766] | 14 | |
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| 15 | for some fonts and licenses visit: =http://www.dafont.com/en/font.php= |
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| 16 | |
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| 17 | !! IMPORTANT !! When using ttf fonts clear the license issues prior to |
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[4597] | 18 | adding them to orxonox. This is really important, because we do not |
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[3767] | 19 | want to offend anyone. |
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[3655] | 20 | */ |
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| 21 | |
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[3766] | 22 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_FONT |
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[3655] | 23 | |
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[3766] | 24 | #include "text_engine.h" |
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[3655] | 25 | |
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| 26 | using namespace std; |
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| 27 | |
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[3766] | 28 | #include <stdlib.h> |
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| 29 | #include <stdio.h> |
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| 30 | #include <string.h> |
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[3655] | 31 | |
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[5336] | 32 | #ifdef HAVE_SDL_IMAGE_H |
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| 33 | #include <SDL_image.h> |
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| 34 | #else |
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| 35 | #include <SDL/SDL_image.h> |
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| 36 | #endif |
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| 37 | #include "font.xpm" |
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| 38 | |
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| 39 | |
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[3766] | 40 | #include "graphics_engine.h" |
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[3769] | 41 | #include "resource_manager.h" |
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[5077] | 42 | #include "class_list.h" |
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[3769] | 43 | |
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[3766] | 44 | #include "p_node.h" |
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| 45 | #include "vector.h" |
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| 46 | #include "debug.h" |
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[3911] | 47 | #include "list.h" |
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[3766] | 48 | |
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| 49 | //////////// |
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[3768] | 50 | /// TEXT /// |
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[3766] | 51 | //////////// |
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[5306] | 52 | |
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[3773] | 53 | /** |
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[4836] | 54 | * creates a new Text Element |
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[5306] | 55 | * @param fontFile the Font to render this text in |
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| 56 | * @param type The renderType to display this font in |
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| 57 | */ |
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| 58 | Text::Text(const char* fontFile, unsigned int fontSize, TEXT_RENDER_TYPE type) |
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| 59 | { |
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| 60 | this->init(); |
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| 61 | |
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| 62 | if (fontFile != NULL) |
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| 63 | this->setFont(fontFile, fontSize); |
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| 64 | this->setType(type); |
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| 65 | } |
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| 66 | |
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| 67 | /** |
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| 68 | * creates a new Text Element |
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[4836] | 69 | * @param font the Font to render this text in |
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| 70 | * @param type The renderType to display this font in |
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[5306] | 71 | * |
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| 72 | * this constructor is private, because the user should initialize |
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| 73 | * a text with the TextEngine. |
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| 74 | */ |
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[5122] | 75 | Text::Text(Font* font, TEXT_RENDER_TYPE type) |
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[3768] | 76 | { |
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[5306] | 77 | this->init(); |
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[3833] | 78 | |
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[3770] | 79 | this->font = font; |
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| 80 | this->setType(type); |
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[3768] | 81 | } |
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| 82 | |
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[3773] | 83 | /** |
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[4836] | 84 | * deletes a Text out of memory |
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[5122] | 85 | * |
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| 86 | * This also ereases the text from the textList of the TextEngine |
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[3773] | 87 | */ |
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[4746] | 88 | Text::~Text() |
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[3768] | 89 | { |
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[5122] | 90 | if (this->font != NULL) |
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| 91 | ResourceManager::getInstance()->unload(this->font); |
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[5076] | 92 | |
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[5077] | 93 | if (this->text) |
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[5121] | 94 | delete[] this->text; |
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[3768] | 95 | } |
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| 96 | |
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[5306] | 97 | void Text::init() |
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| 98 | { |
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| 99 | this->setClassID(CL_TEXT, "Text"); |
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| 100 | |
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| 101 | // initialize this Text |
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| 102 | this->font = NULL; |
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| 103 | this->text = NULL; |
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| 104 | this->externText = NULL; |
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| 105 | this->setAlignment(TEXT_DEFAULT_ALIGNMENT); |
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| 106 | this->texture = 0; |
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| 107 | this->blending = TEXT_DEFAULT_BLENDING; |
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| 108 | this->color = TEXT_DEFAULT_COLOR; |
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| 109 | this->setType(TEXT_RENDER_DYNAMIC); |
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| 110 | |
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| 111 | this->setText(NULL); |
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| 112 | } |
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| 113 | |
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[4458] | 114 | /** |
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[5179] | 115 | * sets the Font of this Text to font |
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| 116 | * @param font the Font (normaly from the ResourceManager) to allocate to this Text |
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| 117 | */ |
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| 118 | void Text::setFont(Font* font) |
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| 119 | { |
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| 120 | if (this->font != NULL) |
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| 121 | ResourceManager::getInstance()->unload(this->font); |
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| 122 | this->font = font; |
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| 123 | } |
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| 124 | |
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| 125 | /** |
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| 126 | * sets the Font of this Text to font from fontFile |
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| 127 | * @param fontFile the File to load the Font from. |
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| 128 | * @param fontSize the Size of the Font |
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| 129 | */ |
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| 130 | void Text::setFont(const char* fontFile, unsigned int fontSize) |
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| 131 | { |
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| 132 | Font* tmpFont; |
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| 133 | Text* newText; |
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| 134 | Vector tmpVec; |
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| 135 | |
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| 136 | tmpFont = (Font*)ResourceManager::getInstance()->load(fontFile, TTF, RP_GAME, &fontSize); |
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[5208] | 137 | if (tmpFont == NULL) |
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[5179] | 138 | { |
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| 139 | PRINTF(2)("Font %s could not be loaded, probably file not found\n", fontFile); |
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| 140 | this->setFont(NULL); |
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| 141 | } |
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| 142 | else |
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| 143 | this->setFont(tmpFont); |
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| 144 | } |
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| 145 | |
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| 146 | /** |
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[4836] | 147 | * sets the Type of this Text |
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| 148 | * @param type the type to set. |
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[3768] | 149 | */ |
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[5122] | 150 | void Text::setType(TEXT_RENDER_TYPE type) |
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[3768] | 151 | { |
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[5179] | 152 | if (this->font != NULL && this->font->font) |
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[4536] | 153 | this->type = type; |
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| 154 | else |
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[5122] | 155 | this->type = TEXT_RENDER_DYNAMIC; |
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[3768] | 156 | } |
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| 157 | |
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| 158 | /** |
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[4836] | 159 | * Sets a new Text to the font |
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| 160 | * @param text the new text to set |
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[3768] | 161 | */ |
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[5122] | 162 | void Text::setText(const char* text, bool isExtern) |
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[3768] | 163 | { |
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[5122] | 164 | if (isExtern) |
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[5072] | 165 | { |
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[5122] | 166 | this->externText = text; |
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| 167 | |
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| 168 | if (unlikely(this->text != NULL)) |
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| 169 | { |
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| 170 | delete[] this->text; |
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| 171 | this->text = NULL; |
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| 172 | } |
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[5072] | 173 | } |
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| 174 | else |
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| 175 | { |
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[5122] | 176 | this->externText = NULL; |
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| 177 | if (this->text) |
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| 178 | delete[] this->text; |
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| 179 | if (text != NULL) |
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| 180 | { |
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| 181 | this->text = new char[strlen(text)+1]; |
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| 182 | strcpy(this->text, text); |
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| 183 | } |
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| 184 | else |
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[5125] | 185 | this->text = NULL; |
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[5072] | 186 | } |
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[3843] | 187 | |
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| 188 | // setting up the Text-Width if DYNAMIC |
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[5179] | 189 | if (this->type & TEXT_RENDER_DYNAMIC && this->getAlignment() != TEXT_ALIGN_LEFT && this->font != NULL) |
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[3843] | 190 | { |
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| 191 | Glyph** glyphArray = this->font->getGlyphArray(); |
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| 192 | |
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| 193 | int width = 0; |
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[5122] | 194 | const char* tmpText = this->externText; |
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| 195 | if (this->externText == NULL) |
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| 196 | tmpText = this->text; |
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[5125] | 197 | if (tmpText != NULL) |
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| 198 | { |
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| 199 | while (*tmpText != '\0') |
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[4597] | 200 | { |
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| 201 | if(glyphArray[*tmpText]) |
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[5125] | 202 | { |
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| 203 | width += glyphArray[*tmpText]->width; |
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| 204 | } |
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[4597] | 205 | tmpText++; |
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| 206 | } |
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[5125] | 207 | this->width = width; |
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| 208 | } |
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[3843] | 209 | } |
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[3768] | 210 | } |
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| 211 | |
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| 212 | /** |
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[4836] | 213 | * creates a texture out of the given parameters |
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[3769] | 214 | |
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| 215 | this has to be called every time by the user, to if changes were made. |
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[4536] | 216 | this is only for TEXT_STATIC-mode |
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[3769] | 217 | */ |
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[4746] | 218 | void Text::createTexture() |
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[3769] | 219 | { |
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| 220 | SDL_Surface* tmpSurf; |
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| 221 | if (this->texture) |
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| 222 | glDeleteTextures(1, &this->texture); |
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[4536] | 223 | if (likely(this->font != NULL)) |
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[5121] | 224 | { |
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| 225 | SDL_Color theColor = { (int)(this->color.x*255), (int)(this->color.y*255), (int)(this->color.z*255) }; |
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[4536] | 226 | tmpSurf = TTF_RenderText_Blended(this->font->font, |
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[4597] | 227 | this->text, |
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[5121] | 228 | theColor); |
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| 229 | } |
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[3769] | 230 | if (tmpSurf) |
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| 231 | this->texture = loadTexture(tmpSurf, &this->texCoord); |
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| 232 | |
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[5123] | 233 | this->width = tmpSurf->w; |
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| 234 | this->height = tmpSurf->h; |
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[3769] | 235 | SDL_FreeSurface(tmpSurf); |
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| 236 | } |
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| 237 | |
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| 238 | /** |
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[4850] | 239 | * draws the Text |
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[3768] | 240 | */ |
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[4746] | 241 | void Text::draw() const |
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[3768] | 242 | { |
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[3843] | 243 | glPushMatrix(); |
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| 244 | // transform for alignment. |
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[5089] | 245 | if (this->getAlignment() == TEXT_ALIGN_RIGHT) |
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[5123] | 246 | glTranslatef(-this->width, 0, 0); |
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[5089] | 247 | else if (this->getAlignment() == TEXT_ALIGN_CENTER || this->getAlignment() == TEXT_ALIGN_SCREEN_CENTER) |
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[5123] | 248 | glTranslatef(-this->width/2, 0, 0); |
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[3843] | 249 | |
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[3768] | 250 | // drawing this Text. |
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[4856] | 251 | // setting the Blending effects |
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[5121] | 252 | glColor4f(this->color.x, this->color.y, this->color.z, this->blending); |
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[4856] | 253 | glEnable(GL_BLEND); |
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| 254 | glEnable(GL_TEXTURE_2D); |
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| 255 | glBlendFunc(GL_SRC_ALPHA, GL_ONE); |
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| 256 | |
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[5121] | 257 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, GL_MODULATE ); |
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| 258 | |
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[5337] | 259 | if(likely(type & TEXT_RENDER_DYNAMIC )) |
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[3768] | 260 | { |
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[5337] | 261 | Glyph** glyphArray; |
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| 262 | if (false /*likely (this->font != NULL)*/) |
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| 263 | { |
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| 264 | glyphArray = this->font->getGlyphArray(); |
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| 265 | glBindTexture(GL_TEXTURE_2D, font->getFastTextureID()); |
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| 266 | } |
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| 267 | else |
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| 268 | { |
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| 269 | if (unlikely(Font::getDefaultFont() == NULL)) |
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| 270 | Font::initDefaultFont(); |
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| 271 | glyphArray = Font::getDefaultFont()->getGlyphArray(); |
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| 272 | glBindTexture(GL_TEXTURE_2D, Font::getDefaultFont()->getFastTextureID()); |
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| 273 | } |
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| 274 | glTranslatef(getAbsCoor2D().x, getAbsCoor2D().y, 0); |
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[5122] | 275 | // glRotatef(this->getAbsDir2D(), 0,0,1); |
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| 276 | const char* tmpText = this->externText; |
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| 277 | if (this->externText == NULL) |
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| 278 | tmpText = this->text; |
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[5125] | 279 | if (likely(tmpText != NULL)) |
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[5122] | 280 | { |
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[5337] | 281 | while (likely(*tmpText != '\0')) |
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[5122] | 282 | { |
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[5337] | 283 | if(likely(glyphArray[*tmpText] != NULL)) |
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[5125] | 284 | { |
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| 285 | glCallList(glyphArray[*tmpText]->displayList); |
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| 286 | glTranslatef(glyphArray[*tmpText]->width, 0, 0); |
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| 287 | } |
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| 288 | tmpText++; |
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[5122] | 289 | } |
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[5125] | 290 | } |
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| 291 | } |
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[5122] | 292 | else //(if type & TEXT_RENDER_STATIC) |
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| 293 | { |
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[3768] | 294 | glBindTexture(GL_TEXTURE_2D, this->texture); |
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| 295 | glBegin(GL_QUADS); |
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[4597] | 296 | |
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[3768] | 297 | glTexCoord2f(this->texCoord.minU, this->texCoord.minV); |
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[5089] | 298 | glVertex2f(this->getAbsCoor2D().x, this->getAbsCoor2D().y ); |
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[4597] | 299 | |
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[3768] | 300 | glTexCoord2f(this->texCoord.maxU, this->texCoord.minV); |
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[5123] | 301 | glVertex2f(this->getAbsCoor2D().x + this->width, this->getAbsCoor2D().y ); |
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[4597] | 302 | |
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[3768] | 303 | glTexCoord2f(this->texCoord.maxU, this->texCoord.maxV); |
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[5123] | 304 | glVertex2f(this->getAbsCoor2D().x + this->width, getAbsCoor2D().y + this->height); |
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[4597] | 305 | |
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[3768] | 306 | glTexCoord2f(this->texCoord.minU, this->texCoord.maxV); |
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[5123] | 307 | glVertex2f(getAbsCoor2D().x, getAbsCoor2D().y + this->height); |
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[4597] | 308 | |
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[3768] | 309 | glEnd(); |
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| 310 | |
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| 311 | } |
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[3843] | 312 | glPopMatrix(); |
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[3768] | 313 | } |
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| 314 | |
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[3774] | 315 | /** |
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[4836] | 316 | * prints out some nice debug information about this text |
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[3774] | 317 | */ |
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[4746] | 318 | void Text::debug() const |
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[3774] | 319 | { |
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[5122] | 320 | if (this->externText == NULL) |
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| 321 | PRINT(0)("=== TEXT: %s ===\n", this->text); |
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| 322 | else |
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| 323 | PRINT(0)("=== TEXT: %s ===\n", this->externText); |
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| 324 | |
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[5089] | 325 | if (this->getBindNode()) |
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| 326 | PRINT(0)("is bind to %s; ref=%p\n", this->getBindNode()->getName(), this->getBindNode()); |
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[5121] | 327 | PRINT(0)("Color: %0.2f %0.2f %0.2f\n", this->color.x, this->color.y, this->color.z); |
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[3774] | 328 | } |
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[3768] | 329 | |
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| 330 | |
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| 331 | //////////// |
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[4458] | 332 | /// UTIL /// |
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| 333 | //////////// |
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| 334 | /** |
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[4836] | 335 | * Loads a Font from an SDL_surface into a texture. |
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| 336 | * @param surface The surface to make the texture of |
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| 337 | * @param texCoord The texture coordinates of the 4 corners of the texture |
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| 338 | * @returns the ID of the texture |
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[4458] | 339 | */ |
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| 340 | GLuint Text::loadTexture(SDL_Surface *surface, TexCoord* texCoord) |
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| 341 | { |
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| 342 | GLuint texture; |
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| 343 | int w, h; |
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| 344 | SDL_Surface *image; |
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| 345 | SDL_Rect area; |
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| 346 | Uint32 saved_flags; |
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| 347 | Uint8 saved_alpha; |
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[4597] | 348 | |
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[4458] | 349 | /* Use the surface width and height expanded to powers of 2 */ |
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| 350 | w = powerOfTwo(surface->w); |
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| 351 | h = powerOfTwo(surface->h); |
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[5336] | 352 | if (texCoord != NULL) |
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[4458] | 353 | { |
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| 354 | texCoord->minU = 0.0f; |
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| 355 | texCoord->minV = 0.0f; |
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| 356 | texCoord->maxU = (GLfloat)surface->w / w; |
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| 357 | texCoord->maxV = (GLfloat)surface->h / h; |
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| 358 | } |
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| 359 | image = SDL_CreateRGBSurface(SDL_SWSURFACE, |
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[4597] | 360 | w, h, |
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| 361 | 32, |
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[4458] | 362 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
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[4597] | 363 | 0x000000FF, |
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| 364 | 0x0000FF00, |
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| 365 | 0x00FF0000, |
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| 366 | 0xFF000000 |
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[4458] | 367 | #else |
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[4597] | 368 | 0xFF000000, |
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| 369 | 0x00FF0000, |
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| 370 | 0x0000FF00, |
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| 371 | 0x000000FF |
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[4458] | 372 | #endif |
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[4597] | 373 | ); |
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[4458] | 374 | if ( image == NULL ) { |
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| 375 | return 0; |
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| 376 | } |
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[4597] | 377 | |
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[4458] | 378 | /* Save the alpha blending attributes */ |
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| 379 | saved_flags = surface->flags&(SDL_SRCALPHA|SDL_RLEACCELOK); |
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| 380 | saved_alpha = surface->format->alpha; |
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| 381 | if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { |
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| 382 | SDL_SetAlpha(surface, 0, 0); |
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| 383 | } |
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[4597] | 384 | |
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[4458] | 385 | /* Copy the surface into the GL texture image */ |
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| 386 | area.x = 0; |
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| 387 | area.y = 0; |
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| 388 | area.w = surface->w; |
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| 389 | area.h = surface->h; |
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| 390 | SDL_BlitSurface(surface, &area, image, &area); |
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[4597] | 391 | |
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[4458] | 392 | /* Restore the alpha blending attributes */ |
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| 393 | if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { |
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| 394 | SDL_SetAlpha(surface, saved_flags, saved_alpha); |
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| 395 | } |
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[4597] | 396 | |
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[4458] | 397 | /* Create an OpenGL texture for the image */ |
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| 398 | glGenTextures(1, &texture); |
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| 399 | glBindTexture(GL_TEXTURE_2D, texture); |
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| 400 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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| 401 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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| 402 | glTexImage2D(GL_TEXTURE_2D, |
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[4597] | 403 | 0, |
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| 404 | GL_RGBA, |
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| 405 | w, h, |
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| 406 | 0, |
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| 407 | GL_RGBA, |
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| 408 | GL_UNSIGNED_BYTE, |
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| 409 | image->pixels); |
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[5336] | 410 | SDL_FreeSurface(image); /* No longer needed the data */ |
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[4597] | 411 | |
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[4458] | 412 | return texture; |
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| 413 | } |
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| 414 | |
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| 415 | /** |
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[4836] | 416 | * Quick utility function for texture creation |
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| 417 | * @param input an integer |
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| 418 | * @returns the next bigger 2^n-integer than input |
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[4458] | 419 | */ |
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| 420 | int Text::powerOfTwo(int input) |
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| 421 | { |
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| 422 | int value = 1; |
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[4597] | 423 | |
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[4458] | 424 | while ( value < input ) { |
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| 425 | value <<= 1; |
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| 426 | } |
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| 427 | return value; |
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| 428 | } |
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| 429 | |
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| 430 | |
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| 431 | //////////// |
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[3768] | 432 | /// FONT /// |
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| 433 | //////////// |
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| 434 | /** |
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[5336] | 435 | * constructs a Font |
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[4836] | 436 | * @param fontFile the File to load the font from |
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| 437 | * @param fontSize the Size of the Font in Pixels |
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[5336] | 438 | */ |
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[5121] | 439 | Font::Font(const char* fontFile, unsigned int fontSize) |
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[3766] | 440 | { |
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[4597] | 441 | this->setClassID(CL_FONT, "Font"); |
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[3766] | 442 | // setting default values. |
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| 443 | this->font = NULL; |
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| 444 | this->glyphArray = NULL; |
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[4597] | 445 | this->fastTextureID = 0; |
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| 446 | |
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[3766] | 447 | this->setSize(fontSize); |
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[3769] | 448 | |
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[5336] | 449 | if (fontFile != NULL) |
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| 450 | this->loadFont(fontFile); |
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[3766] | 451 | |
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[3840] | 452 | this->setStyle("c");//TTF_STYLE_NORMAL); |
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[3766] | 453 | |
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| 454 | this->fastTextureID = this->createFastTexture(); |
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| 455 | } |
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| 456 | |
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| 457 | /** |
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[5336] | 458 | * constructs a Font |
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| 459 | * @param fontFile the File to load the font from |
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| 460 | * @param fontSize the Size of the Font in Pixels |
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| 461 | */ |
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| 462 | Font::Font(char** xpmArray) |
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| 463 | { |
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| 464 | this->setClassID(CL_FONT, "Font"); |
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| 465 | // setting default values. |
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| 466 | this->font = NULL; |
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| 467 | this->glyphArray = NULL; |
---|
| 468 | this->fastTextureID = 0; |
---|
| 469 | |
---|
| 470 | // this->setSize(fontSize); |
---|
| 471 | |
---|
| 472 | if (xpmArray != NULL) |
---|
| 473 | this->loadFontFromXPMArray(xpmArray); |
---|
| 474 | } |
---|
| 475 | |
---|
| 476 | |
---|
| 477 | /** |
---|
[5124] | 478 | * destructs a font |
---|
| 479 | * this releases the memory a font uses to be opened. |
---|
[5336] | 480 | * deletes the glLists, and the TTF-handler, if present. |
---|
| 481 | */ |
---|
[4746] | 482 | Font::~Font() |
---|
[3767] | 483 | { |
---|
[3769] | 484 | // deleting all Glyphs |
---|
[5336] | 485 | if (this->glyphArray != NULL) |
---|
[3767] | 486 | { |
---|
| 487 | for (int i = 0; i < FONT_HIGHEST_KNOWN_CHAR; i++) |
---|
[5336] | 488 | { |
---|
| 489 | if (this->glyphArray[i] != NULL) |
---|
| 490 | { |
---|
| 491 | glDeleteLists(this->glyphArray[i]->displayList, 1); |
---|
| 492 | delete this->glyphArray[i]; |
---|
| 493 | } |
---|
| 494 | } |
---|
[5121] | 495 | delete[] this->glyphArray; |
---|
[3767] | 496 | } |
---|
| 497 | |
---|
[3769] | 498 | // erease this font out of the memory. |
---|
[4536] | 499 | if (likely(this->font != NULL)) |
---|
[3767] | 500 | TTF_CloseFont(this->font); |
---|
| 501 | } |
---|
| 502 | |
---|
[5336] | 503 | |
---|
[3767] | 504 | /** |
---|
[5336] | 505 | * sets The Font. |
---|
[4836] | 506 | * @param fontFile The file containing the font. |
---|
| 507 | * @returns true if loaded, false if something went wrong, or if a font was loaded before. |
---|
[3766] | 508 | */ |
---|
[5124] | 509 | bool Font::loadFont(const char* fontFile) |
---|
[3766] | 510 | { |
---|
[5215] | 511 | if (!this->getName()) |
---|
[3766] | 512 | { |
---|
[4597] | 513 | this->setName(fontFile); |
---|
| 514 | |
---|
[5215] | 515 | this->font = TTF_OpenFont(this->getName(), this->fontSize); |
---|
[4536] | 516 | if(!this->font) |
---|
[4597] | 517 | { |
---|
| 518 | PRINTF(1)("TTF_OpenFont: %s\n", TTF_GetError()); |
---|
| 519 | return false; |
---|
| 520 | } |
---|
[4518] | 521 | else |
---|
[4597] | 522 | return true; |
---|
[3766] | 523 | } |
---|
| 524 | else |
---|
| 525 | { |
---|
| 526 | PRINTF(2)("Font already initialized, unable to change it now.\n"); |
---|
| 527 | return false; |
---|
| 528 | } |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | /** |
---|
[5336] | 532 | * loads a font From an XPM-array. |
---|
| 533 | * @param xpmArray the array of the XPM to load the font from. |
---|
| 534 | */ |
---|
| 535 | bool Font::loadFontFromXPMArray(char** xpmArray) |
---|
| 536 | { |
---|
| 537 | if (xpmArray == NULL) |
---|
| 538 | return false; |
---|
| 539 | |
---|
| 540 | // loading to a texture. |
---|
| 541 | SDL_Surface* image = IMG_ReadXPMFromArray(xpmArray); |
---|
| 542 | if(image == NULL) |
---|
| 543 | { |
---|
| 544 | PRINTF(1)("loading from XPM-array failed: %s\n", IMG_GetError()); |
---|
| 545 | return false; |
---|
| 546 | } |
---|
| 547 | TexCoord texCoord; |
---|
| 548 | this->fastTextureID = Text::loadTexture(image, &texCoord); |
---|
| 549 | |
---|
| 550 | // initializing the Glyphs. |
---|
[5337] | 551 | if (this->glyphArray == NULL) |
---|
[5336] | 552 | { |
---|
| 553 | float cx,cy; |
---|
[5337] | 554 | Glyph* glyph; |
---|
[5336] | 555 | this->glyphArray = new Glyph*[FONT_HIGHEST_KNOWN_CHAR]; |
---|
| 556 | for (int i = 0; i < FONT_HIGHEST_KNOWN_CHAR; i++) |
---|
| 557 | { |
---|
[5337] | 558 | glyph = this->glyphArray[i] = new Glyph; |
---|
| 559 | glyph->displayList = glGenLists(1); |
---|
| 560 | if (!glIsList(glyph->displayList)) |
---|
| 561 | { |
---|
| 562 | PRINTF(2)("Error creating glList for Font character %c\n", i); |
---|
| 563 | this->glyphArray[i] = NULL; |
---|
| 564 | delete glyph; |
---|
| 565 | continue; |
---|
| 566 | } |
---|
[5336] | 567 | cx=(float)(i%16)/16.0f; // X Position Of Current Character |
---|
| 568 | cy=(float)(i/16)/16.0f; // Y Position Of Current Character |
---|
[5337] | 569 | glNewList(glyph->displayList, GL_COMPILE); // Start Building A List |
---|
[5336] | 570 | glBegin(GL_QUADS); // Use A Quad For Each Character |
---|
| 571 | glTexCoord2f(cx,1.0f-cy-0.0625f); // Texture Coord (Bottom Left) |
---|
| 572 | glVertex2d(0,16); // Vertex Coord (Bottom Left) |
---|
| 573 | glTexCoord2f(cx+0.0625f,1.0f-cy-0.0625f); // Texture Coord (Bottom Right) |
---|
| 574 | glVertex2i(16,16); // Vertex Coord (Bottom Right) |
---|
| 575 | glTexCoord2f(cx+0.0625f,1.0f-cy-0.001f); // Texture Coord (Top Right) |
---|
| 576 | glVertex2i(16,0); // Vertex Coord (Top Right) |
---|
| 577 | glTexCoord2f(cx,1.0f-cy-0.001f); // Texture Coord (Top Left) |
---|
| 578 | glVertex2i(0,0); // Vertex Coord (Top Left) |
---|
| 579 | glEnd(); // Done Building Our Quad (Character) |
---|
| 580 | // glTranslated(12,0,0); // Move To The Right Of The Character |
---|
| 581 | glEndList(); // Done Building The Display List |
---|
| 582 | this->glyphArray[i]->width = 12; |
---|
| 583 | } |
---|
| 584 | } |
---|
| 585 | SDL_FreeSurface(image); |
---|
| 586 | return true; |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | |
---|
| 590 | /** |
---|
[4836] | 591 | * sets a specific renderStyle |
---|
| 592 | * @param renderStyle the Style to render: a char-array containing: |
---|
[3766] | 593 | i: italic, b: bold, u, underline |
---|
| 594 | */ |
---|
[4458] | 595 | void Font::setStyle(const char* renderStyle) |
---|
[3766] | 596 | { |
---|
[3768] | 597 | this->renderStyle = TTF_STYLE_NORMAL; |
---|
[4597] | 598 | |
---|
[3766] | 599 | for (int i = 0; i < strlen(renderStyle); i++) |
---|
[4597] | 600 | if (strncmp(renderStyle+i, "b", 1) == 0) |
---|
[3768] | 601 | this->renderStyle |= TTF_STYLE_BOLD; |
---|
[3766] | 602 | else if (strncmp(renderStyle+i, "i", 1) == 0) |
---|
[3768] | 603 | this->renderStyle |= TTF_STYLE_ITALIC; |
---|
[4597] | 604 | else if (strncmp(renderStyle+i, "u", 1) == 0) |
---|
[3768] | 605 | this->renderStyle |= TTF_STYLE_UNDERLINE; |
---|
[3766] | 606 | |
---|
[4536] | 607 | if (likely(this->font != NULL)) |
---|
[3768] | 608 | TTF_SetFontStyle(this->font, this->renderStyle); |
---|
[3766] | 609 | else |
---|
| 610 | PRINTF(2)("Font was not initialized, please do so before setting the Font-Style.\n"); |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | /** |
---|
[4836] | 614 | * Sets a new Size to the font |
---|
| 615 | * @param fontSize The new Size in pixels. |
---|
[3766] | 616 | */ |
---|
| 617 | void Font::setSize(unsigned int fontSize) |
---|
| 618 | { |
---|
| 619 | this->fontSize = fontSize; |
---|
| 620 | } |
---|
| 621 | |
---|
[5336] | 622 | Font* Font::defaultFont = NULL; |
---|
[3766] | 623 | /** |
---|
[5336] | 624 | * initializes the default font |
---|
| 625 | */ |
---|
| 626 | void Font::initDefaultFont() |
---|
| 627 | { |
---|
| 628 | if (Font::defaultFont == NULL) |
---|
| 629 | Font::defaultFont = new Font(font_xpm); |
---|
| 630 | } |
---|
| 631 | |
---|
| 632 | /** |
---|
| 633 | * deletes the default font |
---|
| 634 | */ |
---|
| 635 | void Font::removeDefaultFont() |
---|
| 636 | { |
---|
| 637 | if (Font::defaultFont != NULL) |
---|
| 638 | delete Font::defaultFont; |
---|
| 639 | Font::defaultFont = NULL; |
---|
| 640 | } |
---|
| 641 | |
---|
| 642 | |
---|
| 643 | /** |
---|
[4836] | 644 | * @returns the maximum height of the Font, if the font was initialized, 0 otherwise |
---|
[3766] | 645 | */ |
---|
[4746] | 646 | int Font::getMaxHeight() |
---|
[3766] | 647 | { |
---|
[4536] | 648 | if (likely (this->font != NULL)) |
---|
[3766] | 649 | return TTF_FontHeight(this->font); |
---|
| 650 | else |
---|
| 651 | return 0; |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | /** |
---|
[4836] | 655 | * @returns the maximum ascent of the Font, if the font was initialized, 0 otherwise |
---|
[3766] | 656 | |
---|
| 657 | the ascent is the pixels of the font above the baseline |
---|
| 658 | */ |
---|
[4746] | 659 | int Font::getMaxAscent() |
---|
[3766] | 660 | { |
---|
[4536] | 661 | if (likely(this->font != NULL)) |
---|
[3766] | 662 | return TTF_FontAscent(this->font); |
---|
| 663 | else |
---|
| 664 | return 0; |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | /** |
---|
[4836] | 668 | * @returns the maximum descent of the Font, if the font was initialized, 0 otherwise |
---|
[3766] | 669 | |
---|
| 670 | the descent is the pixels of the font below the baseline |
---|
| 671 | */ |
---|
[4746] | 672 | int Font::getMaxDescent() |
---|
[3766] | 673 | { |
---|
[4536] | 674 | if (likely(this->font != NULL)) |
---|
[3766] | 675 | return TTF_FontDescent(this->font); |
---|
| 676 | else |
---|
| 677 | return 0; |
---|
| 678 | } |
---|
| 679 | |
---|
| 680 | /** |
---|
[4836] | 681 | * @param character The character to get info about. |
---|
| 682 | * @returns a Glyph struct of a character. This Glyph is a pointer, |
---|
[3766] | 683 | and MUST be deleted by the user.. |
---|
| 684 | |
---|
[4597] | 685 | This only works for horizontal fonts. see |
---|
[3766] | 686 | http://freetype.sourceforge.net/freetype2/docs/tutorial/step2.html |
---|
| 687 | for more info about vertical Fonts |
---|
| 688 | */ |
---|
| 689 | Glyph* Font::getGlyphMetrics(Uint16 character) |
---|
| 690 | { |
---|
| 691 | Glyph* rg = new Glyph; |
---|
| 692 | rg->character = character; |
---|
[4536] | 693 | if (likely (this->font!= NULL)) |
---|
| 694 | TTF_GlyphMetrics(this->font, rg->character, |
---|
[4597] | 695 | &rg->minX, &rg->maxX, |
---|
| 696 | &rg->minY, &rg->maxY, |
---|
| 697 | &rg->advance); |
---|
[3766] | 698 | rg->height = rg->maxY - rg->minY; |
---|
| 699 | rg->width = rg->maxX - rg->minX; |
---|
| 700 | rg->bearingX = (rg->advance - rg->width) / 2; |
---|
| 701 | rg->bearingY = rg->maxY; |
---|
| 702 | return rg; |
---|
| 703 | } |
---|
| 704 | |
---|
[5336] | 705 | /** |
---|
| 706 | * creates a Fast-Texture of this Font |
---|
| 707 | */ |
---|
[4746] | 708 | GLuint Font::createFastTexture() |
---|
[3766] | 709 | { |
---|
[4597] | 710 | /* interesting GLYPHS: |
---|
[3776] | 711 | * 32: space |
---|
[3766] | 712 | * 33-47: Special Characters. |
---|
| 713 | * 48-57: 0-9 |
---|
| 714 | * 58-63: some more special chars (minor) |
---|
| 715 | * 65-90: A-Z |
---|
| 716 | * 97-122: a-z |
---|
| 717 | */ |
---|
[3776] | 718 | int numberOfGlyphs = 91; |
---|
[3766] | 719 | |
---|
[3776] | 720 | this->initGlyphs(32, numberOfGlyphs); |
---|
[5121] | 721 | this->glyphArray[32]->width = fontSize/2; //!< @todo find out the real size of a Space |
---|
[3766] | 722 | |
---|
| 723 | int rectSize = this->findOptimalFastTextureSize(); |
---|
| 724 | |
---|
| 725 | // setting default values. (maybe not needed afterwards) |
---|
| 726 | SDL_Color tmpColor; tmpColor.r = tmpColor.g = tmpColor.b = 0; |
---|
| 727 | // Surface definition. |
---|
| 728 | SDL_Rect tmpRect; // this represents a Rectangle for blitting. |
---|
| 729 | SDL_Surface* tmpSurf = SDL_CreateRGBSurface(SDL_SWSURFACE, |
---|
[4597] | 730 | rectSize, rectSize, |
---|
| 731 | 32, |
---|
[3766] | 732 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
---|
[4597] | 733 | 0x000000FF, |
---|
| 734 | 0x0000FF00, |
---|
| 735 | 0x00FF0000, |
---|
| 736 | 0xFF000000 |
---|
[3766] | 737 | #else |
---|
[4597] | 738 | 0xFF000000, |
---|
| 739 | 0x00FF0000, |
---|
| 740 | 0x0000FF00, |
---|
| 741 | 0x000000FF |
---|
[3766] | 742 | #endif |
---|
[4597] | 743 | ); |
---|
[3766] | 744 | tmpRect.x = 0; tmpRect.y = 0; tmpRect.w = tmpSurf->w; tmpRect.h = tmpSurf->h; |
---|
| 745 | SDL_SetClipRect(tmpSurf, &tmpRect); |
---|
| 746 | int maxLineHeight = 0; |
---|
| 747 | |
---|
| 748 | // all the interessting Glyphs |
---|
[4536] | 749 | for (int i = 0; i <= 127; i++) |
---|
[3766] | 750 | { |
---|
| 751 | SDL_Surface* glyphSurf = NULL; |
---|
| 752 | Glyph* tmpGlyph; |
---|
| 753 | |
---|
| 754 | if (tmpGlyph = this->glyphArray[i]) |
---|
[4597] | 755 | { |
---|
| 756 | if (tmpGlyph->height > maxLineHeight) |
---|
| 757 | maxLineHeight = tmpGlyph->height; |
---|
[3766] | 758 | |
---|
[5124] | 759 | if (tmpRect.x+tmpGlyph->advance > tmpSurf->w) |
---|
[4597] | 760 | { |
---|
| 761 | tmpRect.x = 0; |
---|
[4709] | 762 | tmpRect.y = tmpRect.y + maxLineHeight + 1; |
---|
[4597] | 763 | maxLineHeight = 0; |
---|
| 764 | } |
---|
| 765 | if (tmpRect.y + maxLineHeight > tmpSurf->h) |
---|
| 766 | { |
---|
| 767 | PRINTF(1)("Protection, so font cannot write over the boundraries error (this should not heappen\n"); |
---|
| 768 | break; |
---|
| 769 | } |
---|
| 770 | // reading in the new Glyph |
---|
| 771 | if (likely(this->font != NULL)) |
---|
[5121] | 772 | { |
---|
| 773 | SDL_Color white = {255, 255, 255}; |
---|
| 774 | glyphSurf = TTF_RenderGlyph_Blended(this->font, i, white); |
---|
| 775 | } |
---|
[4597] | 776 | if( glyphSurf != NULL ) |
---|
| 777 | { |
---|
| 778 | SDL_SetAlpha(glyphSurf, 0, 0); |
---|
[3766] | 779 | |
---|
[4597] | 780 | SDL_BlitSurface(glyphSurf, NULL, tmpSurf, &tmpRect); |
---|
| 781 | TexCoord tmpTexCoord; |
---|
| 782 | tmpTexCoord.minU = (float)tmpRect.x/(float)tmpSurf->w; |
---|
[5124] | 783 | tmpTexCoord.maxU = (float)(tmpRect.x + tmpGlyph->advance)/(float)tmpSurf->w; |
---|
[5121] | 784 | tmpTexCoord.minV = (float)(tmpRect.y)/(float)tmpSurf->w; |
---|
[4597] | 785 | tmpTexCoord.maxV = (float)(tmpRect.y+tmpGlyph->height)/(float)tmpSurf->w; |
---|
| 786 | tmpGlyph->displayList = glGenLists(1); |
---|
[3766] | 787 | |
---|
[4597] | 788 | glNewList(tmpGlyph->displayList, GL_COMPILE); |
---|
| 789 | glBegin(GL_QUADS); |
---|
| 790 | glTexCoord2f(tmpTexCoord.minU, tmpTexCoord.minV); |
---|
[5124] | 791 | glVertex2d(0, - tmpGlyph->bearingY); |
---|
[4597] | 792 | glTexCoord2f(tmpTexCoord.minU, tmpTexCoord.maxV); |
---|
[5124] | 793 | glVertex2d(0, tmpGlyph->height - tmpGlyph->bearingY); |
---|
[4597] | 794 | glTexCoord2f(tmpTexCoord.maxU, tmpTexCoord.maxV); |
---|
[5124] | 795 | glVertex2d(tmpGlyph->width, tmpGlyph->height - tmpGlyph->bearingY); |
---|
[4597] | 796 | glTexCoord2f(tmpTexCoord.maxU, tmpTexCoord.minV); |
---|
[5124] | 797 | glVertex2d(tmpGlyph->width, - tmpGlyph->bearingY); |
---|
[4597] | 798 | glEnd(); |
---|
| 799 | glEndList(); |
---|
| 800 | SDL_FreeSurface(glyphSurf); |
---|
[3766] | 801 | |
---|
[5124] | 802 | tmpRect.x += tmpGlyph->advance; |
---|
[4597] | 803 | |
---|
| 804 | // Outputting Glyphs to BMP-files. |
---|
[5113] | 805 | /* |
---|
| 806 | char outname[512]; |
---|
[4597] | 807 | if (i < 10) |
---|
[5113] | 808 | sprintf( outname, "%s-glyph-00%d.bmp", this->getName(), i ); |
---|
[4597] | 809 | else if (i <100) |
---|
[5113] | 810 | sprintf( outname, "%s-glyph-0%d.bmp", this->getName(), i ); |
---|
[4597] | 811 | else |
---|
[5113] | 812 | sprintf( outname, "%s-glyph-%d.bmp", this->getName(), i ); |
---|
| 813 | SDL_SaveBMP(tmpSurf, outname);*/ |
---|
| 814 | |
---|
[4597] | 815 | } |
---|
| 816 | } |
---|
[3766] | 817 | } |
---|
[3776] | 818 | |
---|
[3766] | 819 | GLuint texture; |
---|
| 820 | glGenTextures(1, &texture); |
---|
| 821 | glBindTexture(GL_TEXTURE_2D, texture); |
---|
| 822 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
---|
| 823 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
---|
| 824 | glTexImage2D(GL_TEXTURE_2D, |
---|
[4597] | 825 | 0, |
---|
| 826 | GL_RGBA, |
---|
| 827 | tmpSurf->w, tmpSurf->h, |
---|
| 828 | 0, |
---|
| 829 | GL_RGBA, |
---|
| 830 | GL_UNSIGNED_BYTE, |
---|
| 831 | tmpSurf->pixels); |
---|
[3766] | 832 | SDL_FreeSurface(tmpSurf); |
---|
| 833 | return texture; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | /** |
---|
[4836] | 837 | * stores Glyph Metrics in an Array. |
---|
| 838 | * @param from The Glyph to start from. |
---|
| 839 | * @param count The number of Glyphs to start From. |
---|
[3766] | 840 | */ |
---|
| 841 | void Font::initGlyphs(Uint16 from, Uint16 count) |
---|
| 842 | { |
---|
| 843 | /* initialize the Array, and set all its entries to NULL |
---|
| 844 | * only if the Glyph-array has not been initialized |
---|
| 845 | */ |
---|
| 846 | if (!this->glyphArray) |
---|
| 847 | { |
---|
| 848 | this->glyphArray = new Glyph*[FONT_HIGHEST_KNOWN_CHAR]; |
---|
| 849 | for (int i = 0; i < FONT_HIGHEST_KNOWN_CHAR; i++) |
---|
[4597] | 850 | this->glyphArray[i] = NULL; |
---|
[3766] | 851 | } |
---|
[4597] | 852 | |
---|
[3766] | 853 | Uint16 lastGlyph = from + count; |
---|
[4597] | 854 | |
---|
[3766] | 855 | for (int i = from; i <= lastGlyph; i++) |
---|
| 856 | { |
---|
| 857 | // setting up all the Glyphs we like. |
---|
| 858 | glyphArray[i] = getGlyphMetrics(i); |
---|
| 859 | } |
---|
| 860 | return; |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | /** |
---|
[4836] | 864 | * @returns the optimal size to use as the texture size |
---|
[3766] | 865 | |
---|
[4836] | 866 | @todo: this algorithm can be a lot more faster, althought it does |
---|
[3766] | 867 | not really matter within the init-context, and 128 glyphs. |
---|
| 868 | |
---|
[4597] | 869 | This function searches for a 2^n sizes texture-size, this is for |
---|
[4536] | 870 | openGL-version < 1.2 compatibility ( and because it is realy easy like this :)) |
---|
[3766] | 871 | */ |
---|
[4746] | 872 | int Font::findOptimalFastTextureSize() |
---|
[3766] | 873 | { |
---|
| 874 | int i; |
---|
| 875 | int x,y; // the counters |
---|
[5124] | 876 | int maxLineHeight = this->getMaxHeight(); |
---|
[5121] | 877 | unsigned int size = 32; // starting Value, we have to start somewhere 32 seems reasonable. (take any small enough 2^i number) |
---|
[3766] | 878 | bool sizeOK = false; |
---|
| 879 | Glyph* tmpGlyph; |
---|
| 880 | |
---|
| 881 | while (!sizeOK) |
---|
| 882 | { |
---|
| 883 | x = 0; y = 0; |
---|
| 884 | for (i = 0; i < FONT_HIGHEST_KNOWN_CHAR; i++) |
---|
[4597] | 885 | { |
---|
| 886 | if(tmpGlyph = this->glyphArray[i]) |
---|
| 887 | { |
---|
| 888 | // getting the height of the highest Glyph in the Line. |
---|
| 889 | if (tmpGlyph->height > maxLineHeight) |
---|
| 890 | maxLineHeight = tmpGlyph->height; |
---|
[3766] | 891 | |
---|
[5124] | 892 | if (x + tmpGlyph->advance > size) |
---|
[4597] | 893 | { |
---|
| 894 | x = 0; |
---|
| 895 | y = y + maxLineHeight; |
---|
[5113] | 896 | //maxLineHeight = 0; |
---|
[4597] | 897 | } |
---|
| 898 | if (y + maxLineHeight + 1 > size) |
---|
| 899 | break; |
---|
[5124] | 900 | x += tmpGlyph->advance; |
---|
[3766] | 901 | |
---|
[4597] | 902 | } |
---|
| 903 | } |
---|
[3766] | 904 | if (i == FONT_HIGHEST_KNOWN_CHAR) |
---|
[4597] | 905 | sizeOK = true; |
---|
[3766] | 906 | else |
---|
[4597] | 907 | size *= 2; |
---|
[3766] | 908 | } |
---|
[5124] | 909 | return size; |
---|
[3766] | 910 | } |
---|
| 911 | |
---|
| 912 | |
---|
| 913 | /** |
---|
[4836] | 914 | * a simple function to get some interesting information about this class |
---|
[3766] | 915 | */ |
---|
[4746] | 916 | void Font::debug() |
---|
[3766] | 917 | { |
---|
| 918 | // print the loaded font's style |
---|
| 919 | int style; |
---|
[4536] | 920 | if (likely(this->font != NULL)) |
---|
| 921 | style = TTF_GetFontStyle(this->font); |
---|
[3766] | 922 | PRINTF(0)("The font style is:"); |
---|
| 923 | if(style==TTF_STYLE_NORMAL) |
---|
| 924 | PRINTF(0)(" normal"); |
---|
| 925 | else { |
---|
| 926 | if(style&TTF_STYLE_BOLD) |
---|
| 927 | PRINTF(0)(" bold"); |
---|
| 928 | if(style&TTF_STYLE_ITALIC) |
---|
| 929 | PRINTF(0)(" italic"); |
---|
| 930 | if(style&TTF_STYLE_UNDERLINE) |
---|
| 931 | PRINTF(0)(" underline"); |
---|
| 932 | } |
---|
| 933 | PRINTF(0)("\n"); |
---|
| 934 | } |
---|
| 935 | |
---|
| 936 | |
---|
[3768] | 937 | /////////////////// |
---|
| 938 | /// TEXT-ENGINE /// |
---|
| 939 | /////////////////// |
---|
[3766] | 940 | /** |
---|
[4836] | 941 | * standard constructor |
---|
[3655] | 942 | */ |
---|
[4597] | 943 | TextEngine::TextEngine () |
---|
[3655] | 944 | { |
---|
[4320] | 945 | this->setClassID(CL_TEXT_ENGINE, "TextEngine"); |
---|
[4597] | 946 | this->setName("TextEngine"); |
---|
[3769] | 947 | this->enableFonts(); |
---|
[3655] | 948 | } |
---|
| 949 | |
---|
| 950 | /** |
---|
[4836] | 951 | * the singleton reference to this class |
---|
[3655] | 952 | */ |
---|
[3766] | 953 | TextEngine* TextEngine::singletonRef = NULL; |
---|
[3655] | 954 | |
---|
| 955 | /** |
---|
[4836] | 956 | * standard deconstructor |
---|
[3655] | 957 | |
---|
| 958 | */ |
---|
[4597] | 959 | TextEngine::~TextEngine () |
---|
[3655] | 960 | { |
---|
[5288] | 961 | // first remove all the remaining Texts (if any). |
---|
| 962 | tList<BaseObject>* textList = ClassList::getList(CL_TEXT); |
---|
[5290] | 963 | if (textList != NULL) |
---|
[5288] | 964 | { |
---|
[5289] | 965 | tIterator<BaseObject>* textIterator = textList->getIterator(); |
---|
| 966 | Text* text = dynamic_cast<Text*>(textIterator->firstElement()); |
---|
| 967 | while( text != NULL) |
---|
| 968 | { |
---|
| 969 | delete text; |
---|
| 970 | text = dynamic_cast<Text*>(textIterator->nextElement()); |
---|
| 971 | } |
---|
| 972 | delete textIterator; |
---|
[5288] | 973 | } |
---|
[5287] | 974 | // delete all remaining fonts (this is done in the ResourceManager) |
---|
| 975 | tList<BaseObject>* fontList = ClassList::getList(CL_FONT); |
---|
| 976 | if (fontList != NULL) |
---|
| 977 | { |
---|
| 978 | tIterator<BaseObject>* fontIterator = fontList->getIterator(); |
---|
| 979 | Font* font = dynamic_cast<Font*>(fontIterator->firstElement()); |
---|
| 980 | while( font != NULL) |
---|
| 981 | { |
---|
| 982 | ResourceManager::getInstance()->unload(font, RP_GAME); |
---|
| 983 | font = dynamic_cast<Font*>(fontIterator->nextElement()); |
---|
| 984 | } |
---|
| 985 | delete fontIterator; |
---|
| 986 | } |
---|
| 987 | |
---|
[3769] | 988 | this->disableFonts(); |
---|
[4597] | 989 | |
---|
[3766] | 990 | TextEngine::singletonRef = NULL; |
---|
[3655] | 991 | } |
---|
[3766] | 992 | |
---|
| 993 | /** |
---|
[4836] | 994 | * function to enable TTF_Fonts |
---|
[3766] | 995 | */ |
---|
[4746] | 996 | void TextEngine::enableFonts() |
---|
[3766] | 997 | { |
---|
| 998 | if (!TTF_WasInit()) |
---|
| 999 | { |
---|
| 1000 | if(TTF_Init()==-1) |
---|
[4597] | 1001 | PRINTF(1)("TTF_Init: %s\n", TTF_GetError()); |
---|
[3766] | 1002 | |
---|
| 1003 | TextEngine::checkVersion(); |
---|
| 1004 | } |
---|
| 1005 | else |
---|
| 1006 | PRINTF(4)("Fonts already initialized\n"); |
---|
| 1007 | } |
---|
| 1008 | |
---|
| 1009 | /** |
---|
[4836] | 1010 | * function to disable TTF_fonts |
---|
[3766] | 1011 | */ |
---|
[4746] | 1012 | void TextEngine::disableFonts() |
---|
[3766] | 1013 | { |
---|
| 1014 | if (TTF_WasInit()) |
---|
| 1015 | { |
---|
[5336] | 1016 | Font::removeDefaultFont(); |
---|
[3766] | 1017 | TTF_Quit(); |
---|
| 1018 | } |
---|
| 1019 | else |
---|
| 1020 | PRINTF(4)("Fonts were not initialized.\n"); |
---|
| 1021 | } |
---|
| 1022 | |
---|
| 1023 | /** |
---|
[4836] | 1024 | * creates a new Text with a certain font. |
---|
[5285] | 1025 | * @see Font::Font |
---|
| 1026 | * @see Text::Text |
---|
[3769] | 1027 | */ |
---|
[5121] | 1028 | Text* TextEngine::createText(const char* fontFile, unsigned int fontSize, int textType) |
---|
[3769] | 1029 | { |
---|
| 1030 | Font* tmpFont; |
---|
| 1031 | Text* newText; |
---|
[3775] | 1032 | Vector tmpVec; |
---|
[3769] | 1033 | |
---|
[5121] | 1034 | tmpFont = (Font*)ResourceManager::getInstance()->load(fontFile, TTF, RP_GAME, &fontSize); |
---|
[3769] | 1035 | if (!tmpFont) |
---|
| 1036 | { |
---|
| 1037 | PRINTF(2)("Font %s could not be loaded, probably file not found\n", fontFile); |
---|
| 1038 | return NULL; |
---|
| 1039 | } |
---|
[5122] | 1040 | else |
---|
| 1041 | return new Text(tmpFont, TEXT_RENDER_DYNAMIC); |
---|
[3769] | 1042 | } |
---|
| 1043 | |
---|
[3772] | 1044 | /** |
---|
[4836] | 1045 | * outputs some nice Debug information |
---|
[4597] | 1046 | |
---|
[4836] | 1047 | @todo there should also be something outputted about Font |
---|
[3774] | 1048 | */ |
---|
[4746] | 1049 | void TextEngine::debug() const |
---|
[3774] | 1050 | { |
---|
[5287] | 1051 | tList<BaseObject>* textList = ClassList::getList(CL_TEXT); |
---|
| 1052 | if (textList != NULL) |
---|
| 1053 | { |
---|
| 1054 | PRINT(0)("+-------------------------------+\n"); |
---|
| 1055 | PRINT(0)("+ TEXT ENGINE DEBUG INFORMATION +\n"); |
---|
| 1056 | PRINT(0)("+-------------------------------+\n"); |
---|
| 1057 | PRINT(0)("Reference: %p; Text Counts: %d\n", this, textList->getSize()); |
---|
[4597] | 1058 | |
---|
[5287] | 1059 | tIterator<BaseObject>* textIterator = textList->getIterator(); |
---|
| 1060 | Text* text = dynamic_cast<Text*>(textIterator->firstElement()); |
---|
| 1061 | while( text != NULL) |
---|
| 1062 | { |
---|
| 1063 | text->debug(); |
---|
| 1064 | text = dynamic_cast<Text*>(textIterator->nextElement()); |
---|
| 1065 | } |
---|
| 1066 | delete textIterator; |
---|
| 1067 | PRINT(0)("+---------------------------TE--+\n"); |
---|
| 1068 | } |
---|
[3774] | 1069 | } |
---|
| 1070 | |
---|
| 1071 | |
---|
| 1072 | /** |
---|
[4836] | 1073 | * checks if the compiled version and the local version of SDL_ttf match. |
---|
| 1074 | * @returns true if match, false otherwise |
---|
[3766] | 1075 | */ |
---|
[4746] | 1076 | bool TextEngine::checkVersion() |
---|
[3766] | 1077 | { |
---|
| 1078 | SDL_version compile_version; |
---|
| 1079 | SDL_version link_version; |
---|
| 1080 | TTF_VERSION(&compile_version); |
---|
| 1081 | link_version = *TTF_Linked_Version(); |
---|
| 1082 | |
---|
| 1083 | if (compile_version.major == link_version.major && |
---|
| 1084 | compile_version.minor == link_version.minor && |
---|
| 1085 | compile_version.patch == link_version.patch) |
---|
| 1086 | { |
---|
| 1087 | return true; |
---|
| 1088 | } |
---|
| 1089 | else |
---|
| 1090 | { |
---|
[4597] | 1091 | PRINTF(2)("compiled with SDL_ttf version: %d.%d.%d\n", |
---|
| 1092 | compile_version.major, |
---|
| 1093 | compile_version.minor, |
---|
| 1094 | compile_version.patch); |
---|
| 1095 | |
---|
| 1096 | PRINTF(2)("running with SDL_ttf version: %d.%d.%d\n", |
---|
| 1097 | link_version.major, |
---|
| 1098 | link_version.minor, |
---|
| 1099 | link_version.patch); |
---|
[3766] | 1100 | return false; |
---|
| 1101 | } |
---|
| 1102 | } |
---|