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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.
*
*/
#ifndef XEEN_SCREEN_H
#define XEEN_SCREEN_H
#include "common/scummsys.h"
#include "common/system.h"
#include "common/array.h"
#include "common/keyboard.h"
#include "common/rect.h"
#include "xeen/font.h"
#include "xeen/sprites.h"
#include "xeen/xsurface.h"
namespace Xeen {
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 200
#define PALETTE_COUNT 256
#define PALETTE_SIZE (256 * 3)
#define GAME_WINDOW 28
class XeenEngine;
class Screen;
struct DrawStruct {
SpriteResource *_sprites;
int _frame;
int _x;
int _y;
int _scale;
int _flags;
DrawStruct(int frame, int x, int y, int scale = 0, int flags = 0) :
_sprites(nullptr), _frame(frame), _x(x), _y(y), _scale(scale), _flags(flags) {}
DrawStruct(): _sprites(nullptr), _frame(0), _x(0), _y(0), _scale(0), _flags(0) {}
};
class Window: public XSurface {
private:
static XeenEngine *_vm;
Common::Rect _bounds;
Common::Rect _innerBounds;
XSurface _savedArea;
int _a;
int _border;
int _xLo, _xHi;
int _ycL, _ycH;
void open2();
public:
bool _enabled;
public:
static void init(XeenEngine *vm);
public:
Window();
Window(const Window &src);
Window(const Common::Rect &bounds, int a, int border,
int xLo, int ycL, int xHi, int ycH);
virtual void addDirtyRect(const Common::Rect &r);
void setBounds(const Common::Rect &r);
const Common::Rect &getBounds() { return _bounds; }
void open();
void close();
/**
* Update the window
*/
void update();
void frame();
/**
* Fill the content area of a window with the current background color
*/
void fill();
const char *writeString(const Common::String &s);
void drawList(DrawStruct *items, int count);
int getString(Common::String &line, uint maxLen, int maxWidth);
};
class Screen: public FontSurface {
private:
XeenEngine *_vm;
Common::List<Common::Rect> _dirtyRects;
byte _mainPalette[PALETTE_SIZE];
byte _tempPalette[PALETTE_SIZE];
XSurface _pages[2];
XSurface _savedScreens[10];
bool _fadeIn;
void mergeDirtyRects();
bool unionRectangle(Common::Rect &destRect, const Common::Rect &src1, const Common::Rect &src2);
/**
* Mark the entire screen for drawing
*/
void drawScreen();
void fadeInner(int step);
void updatePalette();
void updatePalette(const byte *pal, int start, int count16);
public:
/**
* Adds an area that requires redrawing on the next frame update
*/
virtual void addDirtyRect(const Common::Rect &r);
public:
Common::Array<Window> _windows;
Common::Array<Window *> _windowStack;
public:
Screen(XeenEngine *vm);
virtual ~Screen();
void setupWindows();
void closeWindows();
void update();
/**
* Load a palette resource into the temporary palette
*/
void loadPalette(const Common::String &name);
/**
* Load a background resource into memory
*/
void loadBackground(const Common::String &name);
/**
* Copy a loaded background into a display page
*/
void loadPage(int pageNum);
void freePages();
/**
* Merge the two pages along a horizontal split point
*/
void horizMerge(int xp = 0);
/**
* Merge the two pages along a vertical split point
*/
void vertMerge(int yp);
void draw(void *data = nullptr);
void fadeIn(int step = 4);
void fadeOut(int step = 4);
void saveBackground(int slot = 1);
void restoreBackground(int slot = 1);
void frameWindow(uint bgType);
};
} // End of namespace Xeen
#endif /* XEEN_SCREEN_H */
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