/*****************************************************************************
* os2_graphics.hpp
*****************************************************************************
* Copyright (C) 2003, 2013 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
* KO Myung-Hun <komh@chollian.net>
*
* 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 OS2_GRAPHICS_HPP
#define OS2_GRAPHICS_HPP
#include "../src/os_graphics.hpp"
class GenericBitmap;
/// OS2 implementation of OSGraphics
class OS2Graphics: public OSGraphics
{
public:
OS2Graphics( intf_thread_t *pIntf, int width, int height );
virtual ~OS2Graphics();
/// Clear the graphics
virtual void clear( int xDest = 0, int yDest = 0,
int width = -1, int height = -1 );
/// Render a bitmap on this graphics
virtual void drawBitmap( const GenericBitmap &rBitmap, int xSrc = 0,
int ySrc = 0, int xDest = 0, int yDest = 0,
int width = -1, int height = -1,
bool blend = false );
/// Draw another graphics on this one
virtual void drawGraphics( const OSGraphics &rGraphics, int xSrc = 0,
int ySrc = 0, int xDest = 0, int yDest = 0,
int width = -1, int height = -1 );
/// Draw an empty rectangle on the graphics (color is #RRGGBB)
virtual void drawRect( int left, int top, int width, int height,
uint32_t color );
/// Draw a filled rectangle on the graphics (color is #RRGGBB)
virtual void fillRect( int left, int top, int width, int height,
uint32_t color );
/// Set the shape of a window with the mask of this graphics.
virtual void applyMaskToWindow( OSWindow &rWindow );
/// Copy the graphics on a window
virtual void copyToWindow( OSWindow &rWindow, int xSrc,
int ySrc, int width, int height,
int xDest, int yDest );
/// Tell whether the pixel at the given position is visible
virtual bool hit( int x, int y ) const;
/// Getters for the size
virtual int getWidth() const { return m_width; }
virtual int getHeight() const { return m_height; }
/// Get the device context handler
virtual HDC getPS() const { return m_hps; }
/// Get the mask
virtual HRGN getMask() const { return m_mask; }
private:
/// Size of the image
int m_width, m_height;
/// Device context
HDC m_hdc;
/// Presentaiton space
HPS m_hps;
/// Bitmap handle
HBITMAP m_hbm;
/// Transparency mask
HRGN m_mask;
/// Add a segment in a region
void addSegmentInRegion( HRGN &rMask, int start, int end, int line,
int height );
/// check boundaries for graphics and bitmaps
bool checkBoundaries( int x_src, int y_src, int w_src, int h_src,
int& x_target, int& y_target,
int& w_target, int& h_target );
/// invert Y of a point against the given height
int invertPointY( int y, int height ) const
{
return ( height - 1 ) - y;
}
/// invert Y of a point against the m_height
int invertPointY( int y ) const
{
return ( m_height - 1 ) - y;
}
/// invert Y of a rectangular against the given height
int invertRectY( int y, int height ) const
{
// bottom is inclusive, top is exclusive
// the following is the short of ( height - 1 ) - ( y - 1 )
return height - y;
}
/// invert Y of a rectangular against the m_height
int invertRectY( int y ) const
{
// bottom is inclusive, top is exclusive
// the following is the short of ( m_height - 1 ) - ( y - 1 )
return m_height - y;
}
};
#endif
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*© Formatika GbR, Deutschland
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