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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.
*
* $URL$
* $Id$
*
* Low level graphics interface.
*/
#ifndef TINSEL_GRAPHICS_H // prevent multiple includes
#define TINSEL_GRAPHICS_H
#include "tinsel/dw.h"
#include "common/rect.h"
#include "common/system.h"
#include "graphics/surface.h"
namespace Tinsel {
struct PALQ;
#define SCREEN_WIDTH 320 // PC screen dimensions
#define SCREEN_HEIGHT 200
#define SCRN_CENTRE_X ((SCREEN_WIDTH - 1) / 2) // screen centre x
#define SCRN_CENTRE_Y ((SCREEN_HEIGHT - 1) / 2) // screen centre y
/** Class representing either a buffered surface or the physical screen. */
class Surface : public Graphics::Surface {
private:
bool _isScreen;
public:
Surface(bool isScreen = false) { _isScreen = isScreen; }
Surface(int Width, int Height) { create(Width, Height, 1); _isScreen = false; }
// Surface methods
byte *getData() { return (byte *)pixels; }
byte *getBasePtr(int x, int y) { return (byte *)Graphics::Surface::getBasePtr(x, y); }
void update() {
if (_isScreen) {
g_system->copyRectToScreen((const byte *)pixels, pitch, 0, 0, w, h);
g_system->updateScreen();
}
}
void updateRect(const Common::Rect &r) {
g_system->copyRectToScreen(getBasePtr(r.left, r.top), pitch, r.left, r.top, r.width(), r.height());
g_system->updateScreen();
}
};
/** draw object structure - only used when drawing objects */
struct DRAWOBJECT {
char *charBase; // character set base address
int transOffset; // transparent character offset
int flags; // object flags - see above for list
PALQ *pPal; // objects palette Q position
int constant; // which colour in palette for monochrome objects
int width; // width of object
int height; // height of object
SCNHANDLE hBits; // image bitmap handle
int lineoffset; // offset to next line
int leftClip; // amount to clip off object left
int rightClip; // amount to clip off object right
int topClip; // amount to clip off object top
int botClip; // amount to clip off object bottom
short xPos; // x position of object
short yPos; // y position of object
};
/*----------------------------------------------------------------------*\
|* Function Prototypes *|
\*----------------------------------------------------------------------*/
void ClearScreen(uint32 val);
void DrawObject(DRAWOBJECT *pObj);
// called to update a rectangle on the video screen from a video page
void UpdateScreenRect(const Common::Rect &pClip);
} // end of namespace Tinsel
#endif
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