kicad/include/kicad_device_context.h

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/**
* a helper to handle the real device context used in kicad
* @file kicad_device_context.h
*/
#ifndef __KICAD_DEVICE_CONTEXT_H__
#define __KICAD_DEVICE_CONTEXT_H__
// Comment this line to use the standard wxClientDC
// and uncomment to use buffered DC
// #define KICAD_USE_BUFFERED_DC // Currently under test
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// Comment this line to use the standard wxPaintDC
// and uncomment to use buffered PaintDC
#define KICAD_USE_BUFFERED_PAINTDC // Currently under test
#if defined KICAD_USE_BUFFERED_DC || defined KICAD_USE_BUFFERED_PAINTDC
#ifndef KICAD_USE_BUFFERED_PAINTDC
#define KICAD_USE_BUFFERED_PAINTDC
#endif
#include <wx/dcbuffer.h>
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#endif
#if USE_WX_GRAPHICS_CONTEXT && USE_WX_ZOOM
#include <wx/dcgraph.h>
#endif
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// Helper class to handle the client Device Context
class KicadGraphicContext : public wxClientDC
{
public:
KicadGraphicContext( WinEDA_DrawPanel * aDrawPanel );
~KicadGraphicContext();
};
// Macro used to declare a device context in kicad:
#if USE_WX_GRAPHICS_CONTEXT && USE_WX_ZOOM
#define INSTALL_DC(name,parent) \
wxClientDC _cDC( parent ); \
wxGCDC name(_cDC); \
parent->DoPrepareDC( name ); \
name.GetGraphicsContext()->Translate( 0.5, 0.5 );
#else
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#ifdef KICAD_USE_BUFFERED_DC
#define INSTALL_DC(name,parent) \
wxClientDC _cDC( parent ); \
wxBufferedDC name(&_cDC, _cDC.GetSize() ); \
parent->DoPrepareDC( name );
#else
#define INSTALL_DC(name,parent) \
wxClientDC name( parent ); \
parent->DoPrepareDC( name );
#endif
#endif
#if USE_WX_GRAPHICS_CONTEXT
#define INSTALL_PAINTDC(name,parent) \
wxPaintDC _pDC(parent); \
wxGCDC name(_pDC); \
parent->DoPrepareDC( name ); \
name.GetGraphicsContext()->Translate( 0.5, 0.5);
#elif !defined( USE_WX_ZOOM ) && defined( KICAD_USE_BUFFERED_PAINTDC )
#define INSTALL_PAINTDC(name,parent) \
wxAutoBufferedPaintDC name(parent ); \
parent->DoPrepareDC( name );
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#else
#define INSTALL_PAINTDC(name,parent) \
wxPaintDC name( parent ); \
parent->DoPrepareDC( name );
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#endif
#endif // __KICAD_DEVICE_CONTEXT_H__