mirror of
https://github.com/wesnoth/wesnoth
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ea212b5bc2
floating_label is essentially a primitive GUI1 widget, consisting just of a text label and non-interacting. It's also used for the map labels displayed in-game iiuc.
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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Copyright (C) 2003 - 2015 by David White <dave@whitevine.net>
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Part of the Battle for Wesnoth Project http://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#ifndef FONT_HPP_INCLUDED
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#define FONT_HPP_INCLUDED
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#include "exceptions.hpp"
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#include "sdl/utils.hpp"
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#include "sdl/image.hpp"
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#include <SDL_ttf.h>
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class t_string;
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namespace font {
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std::string describe_versions();
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//object which initializes and destroys structures needed for fonts
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struct manager {
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manager();
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~manager();
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/**
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* Updates the font path, when initialized it sets the fontpath to
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* game_config::path. When this path is updated, this function should be
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* called.
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*/
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void update_font_path() const;
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struct error : public game::error {
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error() : game::error("Font initialization failed") {}
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};
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private:
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/** Initializes the font path. */
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void init() const;
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/** Deinitializes the font path. */
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void deinit() const;
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};
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//various standard colors
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extern const SDL_Color NORMAL_COLOR, GRAY_COLOR, LOBBY_COLOR, GOOD_COLOR, BAD_COLOR,
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BLACK_COLOR, YELLOW_COLOR, BUTTON_COLOR, BIGMAP_COLOR,
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PETRIFIED_COLOR, TITLE_COLOR, DISABLED_COLOR, LABEL_COLOR;
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// font sizes, to be made theme parameters
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const int SIZE_NORMAL = 14;
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// automatic computation of other font sizes, to be made a default for theme-provided values
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const int
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SIZE_TINY = 10 * SIZE_NORMAL / 14,
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SIZE_SMALL = 12 * SIZE_NORMAL / 14,
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SIZE_15 = 15 * SIZE_NORMAL / 14,
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SIZE_PLUS = 16 * SIZE_NORMAL / 14,
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SIZE_LARGE = 18 * SIZE_NORMAL / 14,
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SIZE_XLARGE = 24 * SIZE_NORMAL / 14
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;
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// For arbitrary scaling:
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// (Not used in defining the SIZE_* consts because of spurious compiler warnings.)
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inline int relative_size(int size)
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{
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return (SIZE_NORMAL * size / 14);
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}
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// Returns a SDL surface containing the text rendered in a given color.
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surface get_rendered_text(const std::string& text, int size, const SDL_Color& color, int style=0);
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SDL_Rect draw_text_line(surface gui_surface, const SDL_Rect& area, int size,
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const SDL_Color& color, const std::string& text,
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int x, int y, bool use_tooltips, int style);
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// Returns the maximum height of a font, in pixels
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int get_max_height(int size);
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///
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/// Determine the width of a line of text given a certain font size.
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/// The font type used is the default wesnoth font type.
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///
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int line_width(const std::string& line, int font_size, int style=TTF_STYLE_NORMAL);
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///
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/// Determine the size of a line of text given a certain font size. Similar to
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/// line_width, but for both coordinates.
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///
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SDL_Rect line_size(const std::string& line, int font_size, int style=TTF_STYLE_NORMAL);
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/**
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* If the text exceeds the specified max width, end it with an ellipsis (...)
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*/
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std::string make_text_ellipsis(const std::string& text, int font_size, int max_width,
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int style = TTF_STYLE_NORMAL);
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bool load_font_config();
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/** Returns the currently defined fonts. */
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const t_string& get_font_families();
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enum CACHE { CACHE_LOBBY, CACHE_GAME };
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void cache_mode(CACHE mode);
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}
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#endif
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