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/* 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 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#ifndef HUGO_DISPLAY_H
#define HUGO_DISPLAY_H
namespace Hugo {
enum overlayState_t {UNDEF, FG, BG}; // Overlay state
struct rect_t;
class Screen {
public:
Screen(HugoEngine &vm);
virtual ~Screen();
int16 fontHeight();
int16 stringLength(char *s);
void displayBackground();
void displayFrame(int sx, int sy, seq_t *seq, bool foreFl);
void displayList(dupdate_t update, ...);
void displayRect(int16 x, int16 y, int16 dx, int16 dy);
void initDisplay();
virtual void loadFont(int16 fontId) = 0;
void moveImage(image_pt srcImage, uint16 x1, uint16 y1, uint16 dx, uint16 dy, uint16 width1, image_pt dstImage, uint16 x2, uint16 y2, uint16 width2);
void remapPal(uint16 oldIndex, uint16 newIndex);
void restorePal(Common::SeekableReadStream *f);
void savePal(Common::WriteStream *f);
void setBackgroundColor(long color);
void shadowStr(int16 sx, int16 sy, char *s, byte color);
void userHelp();
void writeChar(int16 x, int16 y, char c, byte color);
void writeStr(int16 sx, int16 sy, char *s, byte color);
icondib_t &getIconBuffer() {
return _iconBuffer;
}
viewdib_t &getBackBuffer() {
return _backBuffer;
}
viewdib_t &getBackBufferBackup() {
return _backBufferBackup;
}
viewdib_t &getFrontBuffer() {
return _frontBuffer;
}
viewdib_t &getGUIBuffer() {
return _GUIBuffer;
}
protected:
HugoEngine &_vm;
// Fonts used in dib (non-GDI)
byte _fnt; // Current font number
byte _fontdata[NUM_FONTS][FONTSIZE]; // Font data
byte *_font[NUM_FONTS][FONT_LEN]; // Ptrs to each char
private:
viewdib_t _frontBuffer;
viewdib_t _backBuffer;
viewdib_t _GUIBuffer; // User interface images
viewdib_t _backBufferBackup; // Backup _backBuffer during inventory
icondib_t _iconBuffer; // Inventory icon DIB
void createPal();
overlayState_t findOvl(seq_t *seq_p, image_pt dst_p, uint16 y);
void merge(rect_t *rectA, rect_t *rectB);
int16 mergeLists(rect_t *list, rect_t *blist, int16 len, int16 blen, int16 bmax);
void writeChr(int sx, int sy, byte color, char *local_fontdata);
int16 center(char *s);
};
class Screen_v1d : public Screen {
public:
Screen_v1d(HugoEngine &vm);
~Screen_v1d();
virtual void loadFont(int16 fontId);
};
class Screen_v1w : public Screen {
public:
Screen_v1w(HugoEngine &vm);
~Screen_v1w();
virtual void loadFont(int16 fontId);
};
} // End of namespace Hugo
#endif //HUGO_DISPLAY_H
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