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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2005 The ScummVM project
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Header$
*/
#ifndef CHARSET_H
#define CHARSET_H
#include "common/scummsys.h"
#include "common/rect.h"
#include "scumm/gfx.h"
namespace Scumm {
class ScummEngine;
class NutRenderer;
struct VirtScreen;
static inline bool checkSJISCode(byte c) {
if ((c > 0x84 && c < 0x88) || (c > 0x9f && c < 0xe0) || (c > 0xea /* && c <= 0xff */))
return false;
return true;
}
class CharsetRenderer {
public:
Common::Rect _str;
int _nextLeft, _nextTop;
int _top;
int _left, _startLeft;
int _right;
protected:
byte _color;
public:
bool _center;
bool _hasMask; // True if "removable" text is visible somewhere (should be called _hasText or so)
VirtScreenNumber _textScreenID; // ID of the virtual screen on which the text is visible.
bool _ignoreCharsetMask;
bool _blitAlso;
bool _firstChar;
bool _disableOffsX;
/**
* All text is normally rendered into this overlay surface. Then later
* drawStripToScreen() composits it over the game graphics.
*/
Graphics::Surface _textSurface;
protected:
ScummEngine *_vm;
byte _curId;
public:
CharsetRenderer(ScummEngine *vm);
virtual ~CharsetRenderer();
void restoreCharsetBg();
void clearCharsetMask();
void clearTextSurface();
virtual void printChar(int chr) = 0;
virtual void drawChar(int chr, const Graphics::Surface &s, int x, int y) {}
int getStringWidth(int a, const byte *str);
void addLinebreaks(int a, byte *str, int pos, int maxwidth);
void translateColor();
virtual void setCurID(byte id) = 0;
int getCurID() { return _curId; }
virtual int getFontHeight() = 0;
virtual int getCharHeight(byte chr) { return getFontHeight(); }
virtual int getCharWidth(byte chr) = 0;
virtual void setColor(byte color) { _color = color; translateColor(); }
};
class CharsetRendererCommon : public CharsetRenderer {
protected:
byte *_fontPtr;
int _bitDepth;
int _fontHeight;
int _numChars;
enum ShadowMode {
kNoShadowMode,
kFMTOWNSShadowMode,
kNormalShadowMode
};
byte _shadowColor;
ShadowMode _shadowMode;
void enableShadow(bool enable);
void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height);
public:
CharsetRendererCommon(ScummEngine *vm);
void setCurID(byte id);
int getFontHeight();
};
class CharsetRendererClassic : public CharsetRendererCommon {
protected:
void drawBitsN(const Graphics::Surface &s, byte *dst, const byte *src, byte bpp, int drawTop, int width, int height);
public:
CharsetRendererClassic(ScummEngine *vm) : CharsetRendererCommon(vm) {}
void printChar(int chr);
void drawChar(int chr, const Graphics::Surface &s, int x, int y);
int getCharWidth(byte chr);
};
class CharsetRendererNES : public CharsetRendererCommon {
protected:
byte *_trTable;
void drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height);
public:
CharsetRendererNES(ScummEngine *vm) : CharsetRendererCommon(vm) {}
void setCurID(byte id) {}
void printChar(int chr);
void drawChar(int chr, const Graphics::Surface &s, int x, int y);
int getFontHeight() { return 8; }
int getCharWidth(byte chr) { return 8; }
};
class CharsetRendererV3 : public CharsetRendererCommon {
protected:
byte *_widthTable;
public:
CharsetRendererV3(ScummEngine *vm) : CharsetRendererCommon(vm) {}
void printChar(int chr);
void drawChar(int chr, const Graphics::Surface &s, int x, int y);
void setCurID(byte id);
void setColor(byte color);
int getFontHeight();
int getCharWidth(byte chr);
};
class CharsetRendererV2 : public CharsetRendererV3 {
public:
CharsetRendererV2(ScummEngine *vm, Common::Language language);
void setCurID(byte id) {}
int getCharWidth(byte chr) { return 8; }
};
#ifndef DISABLE_SCUMM_7_8
class CharsetRendererNut : public CharsetRenderer {
protected:
NutRenderer *_fr[5];
NutRenderer *_current;
public:
CharsetRendererNut(ScummEngine *vm);
~CharsetRendererNut();
void printChar(int chr);
void setCurID(byte id);
int getFontHeight();
int getCharHeight(byte chr);
int getCharWidth(byte chr);
};
#endif
} // End of namespace Scumm
#endif
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