scummvm/engines/titanic/star_control/surface_area.h
2017-06-07 22:32:11 -04:00

110 lines
2.7 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 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_SURFACE_OBJ_H
#define TITANIC_SURFACE_OBJ_H
#include "titanic/support/rect.h"
#include "titanic/support/video_surface.h"
#include "titanic/star_control/fpoint.h"
#include "titanic/star_control/frect.h"
namespace Titanic {
enum SurfaceAreaMode {
SA_SOLID = 0, SA_MODE1 = 1, SA_MODE2 = 2, SA_XOR = 3, SA_MODE4 = 4
};
class CSurfaceArea {
template<typename T>
static void plotPoint(int x, int y, int color, void *data) {
CSurfaceArea *sa = (CSurfaceArea *)data;
if (x >= 0 && x < sa->_width && y >= 0 && y < sa->_height) {
T *ptr = (T *)sa->_surface->getBasePtr(x, y);
*ptr = (*ptr & sa->_colorMask) ^ sa->_color;
}
}
private:
/**
* Initialize data for the class
*/
void initialize();
/**
* Sets the drawing color and mask
*/
void setColor(uint rgb);
void pixelToRGB(uint pixel, uint *rgb);
Graphics::PixelFormat getPixelFormat() const;
public:
int _field0;
int _width;
int _height;
int _pitch;
int _bpp;
byte *_pixelsPtr;
FPoint _centroid;
uint _pixel;
byte _field24;
byte _field25;
byte _field26;
byte _field27;
uint _rgb;
int _field2C;
uint _colorMask;
uint _color;
SurfaceAreaMode _mode;
Rect _bounds;
Graphics::Surface *_surface;
public:
CSurfaceArea(CVideoSurface *surface);
/**
* Sets the drawing mode, and returns the old mode
*/
SurfaceAreaMode setMode(SurfaceAreaMode mode);
/**
* Sets the color from the current pixel
*/
void setColorFromPixel();
/**
* Draws a line on the surface
*/
double drawLine(const FPoint &pt1, const FPoint &pt2);
/**
* Draws a line on the surface from the rect's top-left
* to bottom-right corners
*/
double drawLine(const FRect &rect) {
return drawLine(FPoint(rect.left, rect.top), FPoint(rect.right, rect.bottom));
}
};
} // End of namespace Titanic
#endif /* TITANIC_STAR_CONTROL_SUB16_H */