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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCOREFONTDATABASE_H
#define ROCKETCOREFONTDATABASE_H
#include "StringUtilities.h"
#include "Header.h"
#include "Font.h"
#include "FontProvider.h"
namespace Rocket {
namespace Core {
class FontEffect;
class FontFamily;
class FontFaceHandle;
class PropertyDictionary;
/**
The font database contains all font families currently in use by Rocket.
@author Peter Curry
*/
class ROCKETCORE_API FontDatabase
{
public:
enum FontProviderType
{
FreeType = 0,
BitmapFont
};
static bool Initialise();
static void Shutdown();
/// Adds a new font face to the database. The face's family, style and weight will be determined from the face itself.
/// @param[in] file_name The file to load the face from.
/// @return True if the face was loaded successfully, false otherwise.
static bool LoadFontFace(const String& file_name);
/// Adds a new font face to the database, ignoring any family, style and weight information stored in the face itself.
/// @param[in] file_name The file to load the face from.
/// @param[in] family The family to add the face to.
/// @param[in] style The style of the face (normal or italic).
/// @param[in] weight The weight of the face (normal or bold).
/// @return True if the face was loaded successfully, false otherwise.
static bool LoadFontFace(const String& file_name, const String& family, Font::Style style, Font::Weight weight);
/// Adds a new font face to the database, loading from memory. The face's family, style and weight will be determined from the face itself.
/// @param[in] data The font data.
/// @param[in] data_length Length of the data.
/// @return True if the face was loaded successfully, false otherwise.
static bool LoadFontFace(FontProviderType font_provider_type, const byte* data, int data_length);
/// Adds a new font face to the database, loading from memory.
/// @param[in] data The font data.
/// @param[in] data_length Length of the data.
/// @param[in] family The family to add the face to.
/// @param[in] style The style of the face (normal or italic).
/// @param[in] weight The weight of the face (normal or bold).
/// @return True if the face was loaded successfully, false otherwise.
static bool LoadFontFace(FontProviderType font_provider_type, const byte* data, int data_length, const String& family, Font::Style style, Font::Weight weight);
/// Returns a handle to a font face that can be used to position and render text. This will return the closest match
/// it can find, but in the event a font family is requested that does not exist, NULL will be returned instead of a
/// valid handle.
/// @param[in] family The family of the desired font handle.
/// @param[in] charset The set of characters required in the font face, as a comma-separated list of unicode ranges.
/// @param[in] style The style of the desired font handle.
/// @param[in] weight The weight of the desired font handle.
/// @param[in] size The size of desired handle, in points.
/// @return A valid handle if a matching (or closely matching) font face was found, NULL otherwise.
static FontFaceHandle* GetFontFaceHandle(const String& family, const String& charset, Font::Style style, Font::Weight weight, int size);
/// Returns a font effect, either a newly-instanced effect from the factory or an identical
/// shared effect.
/// @param[in] name The name of the desired font effect type.
/// @param[in] properties The properties associated with the font effect.
/// @return The requested font effect, or NULL if the font effect could not be found or instanced.
static FontEffect* GetFontEffect(const String& name, const PropertyDictionary& properties);
/// Removes a font effect from the font database's cache.
/// @param[in] The effect to release.
static void ReleaseFontEffect(const FontEffect* effect);
static void AddFontProvider(FontProvider * provider);
static void RemoveFontProvider(FontProvider * provider);
private:
FontDatabase(void);
~FontDatabase(void);
static FontProviderType GetFontProviderType(const String& file_name);
typedef std::vector< FontProvider *> FontProviderTable;
static FontProviderTable font_provider_table;
static FontDatabase* instance;
};
}
}
#endif
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