scummvm/engines/scumm/nut_renderer.h
2022-05-29 17:22:47 +02:00

90 lines
2.4 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/>.
*
*/
#if !defined(SCUMM_NUT_RENDERER_H) && defined(ENABLE_SCUMM_7_8)
#define SCUMM_NUT_RENDERER_H
#include "common/file.h"
#include "graphics/surface.h"
#include "scumm/charset_v7.h"
namespace Scumm {
class ScummEngine;
class NutRenderer {
protected:
enum {
kDefaultTransparentColor = 0,
kSmush44TransparentColor = 2
};
ScummEngine *_vm;
int _numChars;
int _maxCharSize;
int _fontHeight;
int _spacing;
byte *_charBuffer;
byte *_decodedData;
byte *_paletteMap;
byte _bpp;
byte _palette[16];
const int _direction;
const int8 *_2byteShadowXOffsetTable;
const int8 *_2byteShadowYOffsetTable;
uint8 *_2byteColorTable;
uint8 *_2byteMainColor;
const int _2byteSteps;
struct {
uint16 width;
uint16 height;
byte *src;
byte transparency;
} _chars[256];
void codec1(byte *dst, const byte *src, int width, int height, int pitch);
void codec21(byte *dst, const byte *src, int width, int height, int pitch);
void loadFont(const char *filename);
byte *unpackChar(byte c);
public:
NutRenderer(ScummEngine *vm, const char *filename);
virtual ~NutRenderer();
int getNumChars() const { return _numChars; }
void drawFrame(byte *dst, int c, int x, int y);
int draw2byte(byte *buffer, Common::Rect &clipRect, int x, int y, int pitch, int16 col, uint16 chr);
int drawCharV7(byte *buffer, Common::Rect &clipRect, int x, int y, int pitch, int16 col, TextStyleFlags flags, byte chr, bool hardcodedColors = false, bool smushColorMode = false);
int getCharWidth(byte c) const;
int getCharHeight(byte c) const;
int getFontHeight() const { return _fontHeight; }
};
} // End of namespace Scumm
#endif