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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 TITANIC_SCREEN_MANAGER_H
#define TITANIC_SCREEN_MANAGER_H
#include "common/scummsys.h"
#include "common/array.h"
#include "titanic/support/direct_draw.h"
#include "titanic/support/font.h"
#include "titanic/input_handler.h"
#include "titanic/support/mouse_cursor.h"
#include "titanic/support/text_cursor.h"
#include "titanic/support/video_surface.h"
#include "titanic/core/resource_key.h"
namespace Titanic {
/**
* The original used page flipping with one primary and one back buffer.
* Since we don't need that in ScummVM, the back buffer number below is
* remapped to the primary surface
*/
enum SurfaceNum {
SURFACE_PRIMARY = -1,
SURFACE_BACKBUFFER = -1
};
class TitanicEngine;
class CScreenManager {
struct VideoSurfaceEntry {
CVideoSurface *_surface;
Rect _bounds;
};
protected:
TitanicEngine *_vm;
public:
static CScreenManager *_screenManagerPtr;
static CScreenManager *_currentScreenManagerPtr;
/**
* Set the current screen manager
*/
static CScreenManager *setCurrent();
public:
Common::Array<VideoSurfaceEntry> _backSurfaces;
CVideoSurface *_frontRenderSurface;
CMouseCursor *_mouseCursor;
CTextCursor *_textCursor;
CInputHandler *_inputHandler;
int _fontNumber;
public:
CScreenManager(TitanicEngine *vm);
virtual ~CScreenManager();
void fn1() {}
void fn2() {}
virtual void setWindowHandle(int v);
virtual bool resetWindowHandle(int v);
/**
* Sets the video mode
*/
virtual void setMode(int width, int height, int bpp, uint numBackSurfaces, bool flag2) = 0;
/**
* Handles drawing the cursors
*/
virtual void drawCursors() = 0;
virtual void proc6() = 0;
virtual void proc7() = 0;
virtual CVideoSurface *getSurface(SurfaceNum surfaceNum) const = 0;
virtual void proc9() = 0;
/**
* Fill an area with a specific color
*/
virtual void fillRect(SurfaceNum surfaceNum, Rect *rect, byte r, byte g, byte b) = 0;
/**
* Blits a surface onto one of the screen surfaces
*/
virtual void blitFrom(SurfaceNum surfaceNum, CVideoSurface *src, const Point *destPos = nullptr,
const Rect *srcRect = nullptr) = 0;
virtual void proc12() = 0;
virtual void proc13() = 0;
virtual void proc14() = 0;
/**
* Set the font color
*/
virtual void setFontColor(byte r, byte g, byte b) = 0;
/**
* Get the text area a string will fit into
* @param str String
* @param maxWidth Maximum width in pixels
* @param sizeOut Optional pointer to output size
* @returns Required height
*/
virtual int getTextBounds(const CString &str, int maxWidth, Point *sizeOut = nullptr) const = 0;
/**
* Get the current font height
*/
virtual int getFontHeight() const = 0;
/**
* Returns the width of a given string in pixels
*/
virtual int stringWidth(const CString &str) = 0;
virtual void proc19() = 0;
/**
* Clear a portion of a specified surface
*/
virtual void clearSurface(SurfaceNum surfaceNum, Rect *_bounds) = 0;
/**
* Resize the passed surface
*/
virtual void resizeSurface(CVideoSurface *surface, int width, int height) = 0;
/**
* Creates a surface of a given size
*/
virtual CVideoSurface *createSurface(int w, int h) = 0;
/**
* Creates a surface from a specified resource
*/
virtual CVideoSurface *createSurface(const CResourceKey &key) = 0;
virtual void proc24() = 0;
virtual void proc25() = 0;
virtual void showCursor() = 0;
virtual void hideCursor() = 0;
/**
* Set drawing bounds for a specified surface
*/
void setSurfaceBounds(SurfaceNum surfaceNum, const Rect &r);
/**
* Set the current font number
*/
int setFontNumber(int fontNumber);
};
class OSScreenManager: CScreenManager {
private:
DirectDrawManager _directDrawManager;
/**
* Frees any surface buffers
*/
void destroyFrontAndBackBuffers();
/**
* Load game cursors
*/
void loadCursors();
/**
* Gets an underlying surface
*/
DirectDrawSurface *getDDSurface(SurfaceNum surfaceNum);
public:
int _field48;
int _field4C;
int _field50;
int _field54;
STFont _fonts[4];
public:
OSScreenManager(TitanicEngine *vm);
virtual ~OSScreenManager();
/**
* Sets the video mode
*/
virtual void setMode(int width, int height, int bpp, uint numBackSurfaces, bool flag2);
/**
* Handles drawing the cursors
*/
virtual void drawCursors();
virtual void proc6();
virtual void proc7();
virtual CVideoSurface *getSurface(SurfaceNum surfaceNum) const;
virtual void proc9();
/**
* Fill an area with a specific color
*/
virtual void fillRect(SurfaceNum surfaceNum, Rect *rect, byte r, byte g, byte b);
/**
* Blits a surface onto one of the screen surfaces
*/
virtual void blitFrom(SurfaceNum surfaceNum, CVideoSurface *src, const Point *destPos,
const Rect *srcRect = nullptr);
virtual void proc12();
virtual void proc13();
virtual void proc14();
/**
* Set the font color
*/
virtual void setFontColor(byte r, byte g, byte b);
/**
* Get the text area a string will fit into
* @param str String
* @param maxWidth Maximum width in pixels
* @param sizeOut Optional pointer to output size
* @returns Required height
*/
virtual int getTextBounds(const CString &str, int maxWidth, Point *sizeOut = nullptr) const;
/**
* Get the current font height
*/
virtual int getFontHeight() const;
/**
* Returns the width of a given string in pixels
*/
virtual int stringWidth(const CString &str);
virtual void proc19();
/**
* Clear a portion of the screen surface
*/
virtual void clearSurface(SurfaceNum surfaceNum, Rect *bounds);
/**
* Resize the passed surface
*/
virtual void resizeSurface(CVideoSurface *surface, int width, int height);
/**
* Creates a surface of a given size
*/
virtual CVideoSurface *createSurface(int w, int h);
/**
* Creates a surface from a specified resource
*/
virtual CVideoSurface *createSurface(const CResourceKey &key);
virtual void proc23();
virtual void proc24();
virtual void proc25();
virtual void showCursor();
virtual void hideCursor();
};
} // End of namespace Titanic
#endif /* TITANIC_SCREEN_MANAGER_H */
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