#ifndef _WX_DC_H_
#define _WX_DC_H_
-#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
-
-
-class wxMacPortStateHelper;
-
-#if !wxUSE_GRAPHICS_CONTEXT
-
-class WXDLLEXPORT wxGraphicPath
-{
-public :
- virtual ~wxGraphicPath() {}
-
- virtual void MoveToPoint( wxCoord x1, wxCoord y1 ) = 0;
-
- virtual void AddLineToPoint( wxCoord x1, wxCoord y1 ) = 0;
-
- virtual void AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, 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;
-
- // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
- virtual void AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) = 0 ;
-
- virtual void AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) = 0 ;
-
- virtual void CloseSubpath() = 0;
-};
-
-class WXDLLEXPORT wxGraphicContext
-{
-public:
- virtual ~wxGraphicContext() {}
-
- virtual wxGraphicPath * CreatePath() = 0;
-
- virtual void PushState() = 0 ;
-
- virtual void PopState() = 0 ;
-
- virtual void Clip( const wxRegion ®ion ) = 0;
-
- virtual void SetPen( const wxPen &pen ) = 0;
-
- virtual void SetBrush( const wxBrush &brush ) = 0;
-
- virtual void SetFont( const wxFont &font ) = 0 ;
-
- virtual void SetTextColor( const wxColour &col ) = 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 DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
-
- virtual void DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
-
- virtual void DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) = 0 ;
-
- virtual void GetTextExtent( const wxString &text, wxCoord *width, wxCoord *height,
- wxCoord *descent, wxCoord *externalLeading ) const = 0 ;
-
- virtual void GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const = 0 ;
-
- virtual void Translate( wxCoord dx , wxCoord dy ) = 0 ;
-
- virtual void Scale( wxCoord xScale , wxCoord yScale ) = 0 ;
-};
-
-class WXDLLEXPORT wxDC: public wxDCBase
-{
- DECLARE_DYNAMIC_CLASS(wxDC)
- DECLARE_NO_COPY_CLASS(wxDC)
-
-public:
- wxDC();
- virtual ~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 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 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 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);
-
-#if wxMAC_USE_CORE_GRAPHICS && wxUSE_SPLINES
- virtual void DoDrawSpline(wxList *points);
-#endif
-
- 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:
- // scaling variables
- double m_mm_to_pix_x, m_mm_to_pix_y;
-
- // To be set using SetDeviceOrigin()
- // by external classes such as wxScrolledWindow
- long m_externalDeviceOriginX, m_externalDeviceOriginY;
-
-#if !wxMAC_USE_CORE_GRAPHICS
- // If un-scrolled is non-zero or d.o. changes with scrolling.
- // Set using SetInternalDeviceOrigin().
- long m_internalDeviceOriginX, m_internalDeviceOriginY;
-
- WXHBITMAP m_macMask;
-#endif
-
- // not yet used
- bool m_needComputeScaleX, m_needComputeScaleY;
-
-public:
- // implementation
- void MacInstallFont() const;
-
- // in order to preserve the const inheritance of the virtual functions,
- // we have to use mutable variables starting from CWPro 5
- wxPoint m_macLocalOrigin;
- mutable void *m_macATSUIStyle;
-
- WXHDC m_macPort;
-
-#if wxMAC_USE_CORE_GRAPHICS
- wxGraphicContext *m_graphicContext;
-#else
- void MacInstallPen() const;
- void MacInstallBrush() const;
-
- void MacSetupPort( wxMacPortStateHelper *ph ) const;
- void MacCleanupPort( wxMacPortStateHelper *ph ) const;
-
- mutable wxMacPortStateHelper *m_macCurrentPortStateHelper;
-
- mutable bool m_macFontInstalled;
- mutable bool m_macPenInstalled;
- mutable bool m_macBrushInstalled;
-
- WXHRGN m_macBoundaryClipRgn;
- WXHRGN m_macCurrentClipRgn;
- mutable bool m_macFormerAliasState;
- mutable short m_macFormerAliasSize;
- mutable bool m_macAliasWasEnabled;
- mutable void *m_macForegroundPixMap;
- mutable void *m_macBackgroundPixMap;
-#endif
-};
-
-#endif
-
#endif // _WX_DC_H_
projects / wxWidgets.git / blobdiff