aboutsummaryrefslogtreecommitdiff
path: root/src/serialization.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/serialization.cpp')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 12:58:44 +0000
href='#n59'>59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 
/*
Minetest
Copyright (C) 2010-2014 sapier <sapier at gmx dot net>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __FONTENGINE_H__
#define __FONTENGINE_H__

#include <map>
#include <vector>
#include "IGUIFont.h"
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
#include "settings.h"

#define FONT_SIZE_UNSPECIFIED 0xFFFFFFFF

enum FontMode {
	FM_Standard = 0,
	FM_Mono,
	FM_Fallback,
	FM_Simple,
	FM_SimpleMono,
	FM_MaxMode,
	FM_Unspecified
};

class FontEngine
{
public:

	FontEngine(Settings* main_settings, gui::IGUIEnvironment* env);

	~FontEngine();

	/** get Font */
	irr::gui::IGUIFont* getFont(unsigned int font_size=FONT_SIZE_UNSPECIFIED,
			FontMode mode=FM_Unspecified);

	/** get text height for a specific font */
	unsigned int getTextHeight(unsigned int font_size=FONT_SIZE_UNSPECIFIED,
			FontMode mode=FM_Unspecified);

	/** get text width if a text for a specific font */
	unsigned int getTextWidth(const std::string& text,
			unsigned int font_size=FONT_SIZE_UNSPECIFIED,
			FontMode mode=FM_Unspecified)
	{
		return getTextWidth(narrow_to_wide(text));
	}

	/** get text width if a text for a specific font */
	unsigned int getTextWidth(const std::wstring& text,
			unsigned int font_size=FONT_SIZE_UNSPECIFIED,
			FontMode mode=FM_Unspecified);

	/** get line height for a specific font (including empty room between lines) */
	unsigned int getLineHeight(unsigned int font_size=FONT_SIZE_UNSPECIFIED,
			FontMode mode=FM_Unspecified);

	/** get default font size */
	unsigned int getDefaultFontSize();

	/** initialize font engine */
	void initialize(Settings* main_settings, gui::IGUIEnvironment* env);

	/** update internal parameters from settings */
	void readSettings();

private:
	/** disable copy constructor */
	FontEngine() :
		m_settings(NULL),
		m_env(NULL),
		m_font_cache(),
		m_currentMode(FM_Standard),
		m_lastMode(),
		m_lastSize(0),
		m_lastFont(NULL)
	{};

	/** update content of font cache in case of a setting change made it invalid */
	void updateFontCache();

	/** initialize a new font */
	void initFont(unsigned int basesize, FontMode mode=FM_Unspecified);

	/** initialize a font without freetype */
	void initSimpleFont(unsigned int basesize, FontMode mode);

	/** update current minetest skin with font changes */
	void updateSkin();

	/** clean cache */
	void cleanCache();