880f536912
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32143 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
343 lines
12 KiB
C++
343 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: dc.h
|
|
// Purpose: wxDC class
|
|
// Author: Stefan Csomor
|
|
// Modified by:
|
|
// Created: 1998-01-01
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Stefan Csomor
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_DC_H_
|
|
#define _WX_DC_H_
|
|
|
|
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
|
|
#pragma interface "dc.h"
|
|
#endif
|
|
|
|
#include "wx/pen.h"
|
|
#include "wx/brush.h"
|
|
#include "wx/icon.h"
|
|
#include "wx/font.h"
|
|
#include "wx/gdicmn.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// constants
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef MM_TEXT
|
|
#define MM_TEXT 0
|
|
#define MM_ISOTROPIC 1
|
|
#define MM_ANISOTROPIC 2
|
|
#define MM_LOMETRIC 3
|
|
#define MM_HIMETRIC 4
|
|
#define MM_TWIPS 5
|
|
#define MM_POINTS 6
|
|
#define MM_METRIC 7
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// global variables
|
|
//-----------------------------------------------------------------------------
|
|
|
|
extern int wxPageNumber;
|
|
|
|
class wxMacPortStateHelper ;
|
|
|
|
class WXDLLEXPORT wxGraphicPath
|
|
{
|
|
public :
|
|
virtual ~wxGraphicPath() {}
|
|
|
|
virtual void MoveToPoint( wxCoord x1 , wxCoord y1 ) = 0 ;
|
|
|
|
virtual void AddLineToPoint( wxCoord x1 , wxCoord y1 ) = 0 ;
|
|
|
|
virtual void AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
|
|
|
|
virtual void AddCircle( wxCoord x, wxCoord y , wxCoord r ) = 0 ;
|
|
|
|
virtual void CloseSubpath() = 0 ;
|
|
} ;
|
|
|
|
class WXDLLEXPORT wxGraphicContext
|
|
{
|
|
public:
|
|
virtual ~wxGraphicContext() {}
|
|
|
|
virtual void Clip( const wxRegion ®ion ) = 0 ;
|
|
|
|
virtual void StrokePath( const wxGraphicPath *path ) = 0 ;
|
|
|
|
virtual void DrawPath( const wxGraphicPath *path , int fillStyle = wxWINDING_RULE ) = 0 ;
|
|
|
|
virtual void FillPath( const wxGraphicPath *path , const wxColor &fillColor , int fillStyle = wxWINDING_RULE ) = 0 ;
|
|
|
|
virtual void SetPen( const wxPen &pen ) = 0 ;
|
|
|
|
virtual void SetBrush( const wxBrush &brush ) = 0 ;
|
|
|
|
virtual wxGraphicPath* CreatePath() = 0 ;
|
|
} ;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDC
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxDC: public wxDCBase
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxDC)
|
|
DECLARE_NO_COPY_CLASS(wxDC)
|
|
|
|
public:
|
|
|
|
wxDC();
|
|
~wxDC();
|
|
|
|
|
|
// implement base class pure virtuals
|
|
// ----------------------------------
|
|
|
|
virtual void Clear();
|
|
|
|
virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
|
|
virtual void EndDoc(void) {};
|
|
|
|
virtual void StartPage(void) {};
|
|
virtual void EndPage(void) {};
|
|
|
|
virtual void SetFont(const wxFont& font);
|
|
virtual void SetPen(const wxPen& pen);
|
|
virtual void SetBrush(const wxBrush& brush);
|
|
virtual void SetBackground(const wxBrush& brush);
|
|
virtual void SetBackgroundMode(int mode);
|
|
virtual void SetPalette(const wxPalette& palette);
|
|
|
|
virtual void DestroyClippingRegion();
|
|
|
|
virtual wxCoord GetCharHeight() const;
|
|
virtual wxCoord GetCharWidth() const;
|
|
virtual void DoGetTextExtent(const wxString& string,
|
|
wxCoord *x, wxCoord *y,
|
|
wxCoord *descent = NULL,
|
|
wxCoord *externalLeading = NULL,
|
|
wxFont *theFont = NULL) const;
|
|
virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
|
|
|
|
virtual bool CanDrawBitmap() const;
|
|
virtual bool CanGetTextExtent() const;
|
|
virtual int GetDepth() const;
|
|
virtual wxSize GetPPI() const;
|
|
|
|
virtual void SetMapMode(int mode);
|
|
virtual void SetUserScale(double x, double y);
|
|
|
|
virtual void SetLogicalScale(double x, double y);
|
|
virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
|
|
virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
|
|
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
|
|
virtual void SetLogicalFunction(int function);
|
|
|
|
virtual void SetTextForeground(const wxColour& colour) ;
|
|
virtual void SetTextBackground(const wxColour& colour) ;
|
|
|
|
virtual void ComputeScaleAndOrigin();
|
|
|
|
public:
|
|
|
|
wxCoord XDEV2LOG(wxCoord x) const
|
|
{
|
|
long new_x = x - m_deviceOriginX ;
|
|
if (new_x > 0)
|
|
return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
|
|
else
|
|
return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
|
|
}
|
|
wxCoord XDEV2LOGREL(wxCoord x) const
|
|
{
|
|
if (x > 0)
|
|
return (wxCoord)((double)(x) / m_scaleX + 0.5);
|
|
else
|
|
return (wxCoord)((double)(x) / m_scaleX - 0.5);
|
|
}
|
|
wxCoord YDEV2LOG(wxCoord y) const
|
|
{
|
|
long new_y = y - m_deviceOriginY ;
|
|
if (new_y > 0)
|
|
return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
|
|
else
|
|
return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
|
|
}
|
|
wxCoord YDEV2LOGREL(wxCoord y) const
|
|
{
|
|
if (y > 0)
|
|
return (wxCoord)((double)(y) / m_scaleY + 0.5);
|
|
else
|
|
return (wxCoord)((double)(y) / m_scaleY - 0.5);
|
|
}
|
|
wxCoord XLOG2DEV(wxCoord x) const
|
|
{
|
|
long new_x = x - m_logicalOriginX;
|
|
if (new_x > 0)
|
|
return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX ;
|
|
else
|
|
return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX ;
|
|
}
|
|
wxCoord XLOG2DEVREL(wxCoord x) const
|
|
{
|
|
if (x > 0)
|
|
return (wxCoord)((double)(x) * m_scaleX + 0.5);
|
|
else
|
|
return (wxCoord)((double)(x) * m_scaleX - 0.5);
|
|
}
|
|
wxCoord YLOG2DEV(wxCoord y) const
|
|
{
|
|
long new_y = y - m_logicalOriginY ;
|
|
if (new_y > 0)
|
|
return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY ;
|
|
else
|
|
return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY ;
|
|
}
|
|
wxCoord YLOG2DEVREL(wxCoord y) const
|
|
{
|
|
if (y > 0)
|
|
return (wxCoord)((double)(y) * m_scaleY + 0.5);
|
|
else
|
|
return (wxCoord)((double)(y) * m_scaleY - 0.5);
|
|
}
|
|
wxCoord XLOG2DEVMAC(wxCoord x) const
|
|
{
|
|
long new_x = x - m_logicalOriginX;
|
|
if (new_x > 0)
|
|
return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ;
|
|
else
|
|
return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x ;
|
|
}
|
|
wxCoord YLOG2DEVMAC(wxCoord y) const
|
|
{
|
|
long new_y = y - m_logicalOriginY ;
|
|
if (new_y > 0)
|
|
return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ;
|
|
else
|
|
return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y ;
|
|
}
|
|
#if wxMAC_USE_CORE_GRAPHICS
|
|
wxGraphicContext* GetGraphicContext() { return m_graphicContext ; }
|
|
#else
|
|
WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn ; }
|
|
static void MacSetupBackgroundForCurrentPort(const wxBrush& background ) ;
|
|
#endif
|
|
//
|
|
|
|
protected:
|
|
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
|
|
int style = wxFLOOD_SURFACE);
|
|
|
|
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
|
|
|
|
virtual void DoDrawPoint(wxCoord x, wxCoord y);
|
|
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
|
|
|
|
virtual void DoDrawArc(wxCoord x1, wxCoord y1,
|
|
wxCoord x2, wxCoord y2,
|
|
wxCoord xc, wxCoord yc);
|
|
|
|
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
|
|
double sa, double ea);
|
|
|
|
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
|
|
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height,
|
|
double radius);
|
|
virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
|
|
|
|
virtual void DoCrossHair(wxCoord x, wxCoord y);
|
|
|
|
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
|
|
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
|
|
bool useMask = false);
|
|
|
|
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
|
|
virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
|
|
double angle);
|
|
|
|
virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
|
|
wxDC *source, wxCoord xsrc, wxCoord ysrc,
|
|
int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
|
|
|
|
// this is gnarly - we can't even call this function DoSetClippingRegion()
|
|
// because of virtual function hiding
|
|
virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
|
|
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height);
|
|
|
|
virtual void DoGetSizeMM(int* width, int* height) const;
|
|
|
|
virtual void DoDrawLines(int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset);
|
|
virtual void DoDrawPolygon(int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset,
|
|
int fillStyle = wxODDEVEN_RULE);
|
|
|
|
protected:
|
|
//begin wxmac
|
|
// Variables used for scaling
|
|
double m_mm_to_pix_x,m_mm_to_pix_y;
|
|
// not yet used
|
|
bool m_needComputeScaleX,m_needComputeScaleY;
|
|
// If un-scrolled is non-zero or d.o. changes with scrolling.
|
|
// Set using SetInternalDeviceOrigin().
|
|
long m_internalDeviceOriginX,m_internalDeviceOriginY;
|
|
// To be set by external classes such as wxScrolledWindow
|
|
// using SetDeviceOrigin()
|
|
long m_externalDeviceOriginX,m_externalDeviceOriginY;
|
|
|
|
// Begin implementation for Mac
|
|
public:
|
|
|
|
#if !wxMAC_USE_CORE_GRAPHICS
|
|
WXHBITMAP m_macMask ;
|
|
#endif
|
|
|
|
// in order to preserve the const inheritance of the virtual functions, we have to
|
|
// use mutable variables starting from CWPro 5
|
|
|
|
void MacInstallFont() const ;
|
|
#if !wxMAC_USE_CORE_GRAPHICS
|
|
void MacInstallPen() const ;
|
|
void MacInstallBrush() const ;
|
|
#endif
|
|
|
|
wxPoint m_macLocalOrigin ;
|
|
mutable void* m_macATSUIStyle ;
|
|
|
|
WXHDC m_macPort ;
|
|
#if wxMAC_USE_CORE_GRAPHICS
|
|
// CoreGraphics
|
|
wxGraphicContext * m_graphicContext ;
|
|
wxPoint m_macLocalOriginInPort ;
|
|
#else
|
|
mutable bool m_macFontInstalled ;
|
|
mutable bool m_macPenInstalled ;
|
|
mutable bool m_macBrushInstalled ;
|
|
|
|
WXHRGN m_macBoundaryClipRgn ;
|
|
WXHRGN m_macCurrentClipRgn ;
|
|
void MacSetupPort( wxMacPortStateHelper* ph ) const ;
|
|
void MacCleanupPort( wxMacPortStateHelper* ph ) const ;
|
|
mutable wxMacPortStateHelper* m_macCurrentPortStateHelper ;
|
|
mutable bool m_macFormerAliasState ;
|
|
mutable short m_macFormerAliasSize ;
|
|
mutable bool m_macAliasWasEnabled ;
|
|
mutable void* m_macForegroundPixMap ;
|
|
mutable void* m_macBackgroundPixMap ;
|
|
#endif
|
|
|
|
#if wxMAC_USE_CORE_GRAPHICS
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
// _WX_DC_H_
|