scummvm/engines/grim/font.h
2021-12-26 21:19:38 +01:00

111 lines
3.6 KiB
C++

/* 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 GRIM_FONT_H
#define GRIM_FONT_H
#include "engines/grim/pool.h"
#include "graphics/font.h"
namespace Common {
class SeekableReadStream;
}
namespace Grim {
class SaveGame;
class Font : public PoolObject<Font> {
public:
Font();
~Font();
static int32 getStaticTag() { return MKTAG('F', 'O', 'N', 'T'); }
void load(const Common::String &filename, Common::SeekableReadStream *data);
const Common::String &getFilename() const { return _filename; }
virtual int32 getKernedHeight() const { return _kernedHeight; }
virtual int32 getBaseOffsetY() const { return _baseOffsetY; }
virtual int32 getCharBitmapWidth(unsigned char c) const { return _charHeaders[getCharIndex(c)].bitmapWidth; }
virtual int32 getCharBitmapHeight(unsigned char c) const { return _charHeaders[getCharIndex(c)].bitmapHeight; }
virtual int32 getCharKernedWidth(unsigned char c) const { return _charHeaders[getCharIndex(c)].kernedWidth; }
virtual int32 getCharStartingCol(unsigned char c) const { return _charHeaders[getCharIndex(c)].startingCol; }
virtual int32 getCharStartingLine(unsigned char c) const { return _charHeaders[getCharIndex(c)].startingLine; }
virtual int32 getCharOffset(unsigned char c) const { return _charHeaders[getCharIndex(c)].offset; }
const byte *getCharData(unsigned char c) const { return _fontData + (_charHeaders[getCharIndex(c)].offset); }
const byte *getFontData() const { return _fontData; }
uint32 getDataSize() const { return _dataSize; }
virtual int getKernedStringLength(const Common::String &text) const;
virtual int getBitmapStringLength(const Common::String &text) const;
virtual int getStringHeight(const Common::String &text) const;
const void *getUserData() const { return _userData; }
void setUserData(void *data) { _userData = data; }
void saveState(SaveGame *state) const;
void restoreState(SaveGame *state);
static const uint8 emerFont[][13];
private:
uint16 getCharIndex(unsigned char c) const;
struct CharHeader {
int32 offset;
int8 kernedWidth;
int8 startingCol;
int8 startingLine;
int32 bitmapWidth;
int32 bitmapHeight;
};
uint32 _numChars;
uint32 _dataSize;
uint32 _kernedHeight, _baseOffsetY;
uint32 _firstChar, _lastChar;
uint16 *_charIndex;
CharHeader *_charHeaders;
byte *_fontData;
Common::String _filename;
void *_userData;
};
class FontTTF : public Font {
public:
void loadTTF(const Common::String &filename, Common::SeekableReadStream *data, int size);
int32 getKernedHeight() const override { return _font->getFontHeight(); }
int32 getBaseOffsetY() const override { return 0; }
int32 getCharKernedWidth(unsigned char c) const override { return _font->getCharWidth(c); }
int getKernedStringLength(const Common::String &text) const override { return _font->getStringWidth(text); }
Graphics::Font *_font;
};
} // end of namespace Grim
#endif