fontresource.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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, either version 3 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ILLUSIONS_FONTRESOURCE_H
#define ILLUSIONS_FONTRESOURCE_H

#include "illusions/graphics.h"
#include "illusions/resourcesystem.h"

namespace Illusions {

class IllusionsEngine;

class FontResourceLoader : public BaseResourceLoader {
public:
    FontResourceLoader(IllusionsEngine *vm) : _vm(vm) {}
    ~FontResourceLoader() override {}
    void load(Resource *resource) override;
    bool isFlag(int flag) override;
protected:
    IllusionsEngine *_vm;
};

struct CharInfo {
    int16 _width;
    int16 _field_2;
    byte *_pixels;
    void load(byte *dataStart, Common::SeekableReadStream &stream);
};

struct CharRange {
    uint16 _firstChar;
    uint16 _lastChar;
    CharInfo *_charInfos;
    void load(byte *dataStart, Common::SeekableReadStream &stream);
    CharInfo *getCharInfo(uint16 c);
    bool containsChar(uint16 c);
};

class FontResource {
public:
    FontResource();
    ~FontResource();
    void load(Resource *resource);
    CharInfo *getCharInfo(uint16 c);
    int16 getColorIndex() const { return _colorIndex; }
    int16 getCharHeight() const { return _charHeight; }
    int16 getLineIncr() const { return _lineIncr; }
    const Common::Rect calculateRectForText(uint16 *text, uint textLength);
public:
    uint32 _totalSize;
    int16 _charHeight;
    int16 _defaultChar;
    int16 _colorIndex;
    int16 _lineIncr;
    int16 _widthC;
    uint _charRangesCount;
    CharRange *_charRanges;
    CharRange *getCharRange(uint16 c);
};

class FontInstance : public ResourceInstance {
public:
    FontInstance(IllusionsEngine *vm);
    void load(Resource *resource) override;
    void unload() override;
public:
    IllusionsEngine *_vm;
    FontResource *_fontResource;
    uint32 _resId;
};

} // End of namespace Illusions

#endif // ILLUSIONS_FONTRESOURCE_H