/////////////////////////////////////////////////////////////////////////////
-// Name: dc.h
+// Name: wx/motif/dc.h
// Purpose: wxDC class
// Author: Julian Smart
// Modified by:
#ifndef _WX_DC_H_
#define _WX_DC_H_
-#ifdef __GNUG__
- #pragma interface "dc.h"
-#endif
-
#include "wx/pen.h"
#include "wx/brush.h"
#include "wx/icon.h"
//-----------------------------------------------------------------------------
#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
+#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
//-----------------------------------------------------------------------------
public:
wxDC();
- ~wxDC() { }
-
- // implement base class pure virtuals
- // ----------------------------------
-
- virtual void DestroyClippingRegion();
+ virtual ~wxDC() { }
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);
-
protected:
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
- bool useMask = FALSE);
+ bool useMask = false);
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height);
+ wxCoord width, wxCoord height);
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetSizeMM(int* width, int* height) const;
public:
- void ComputeScaleAndOrigin();
-
- wxCoord XDEV2LOG(wxCoord x) const
- {
- wxCoord 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
- {
- wxCoord 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
- {
- wxCoord 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;
- }
+ // implementation
+ wxCoord XDEV2LOG(wxCoord x) const { return DeviceToLogicalX(x); }
+ wxCoord XDEV2LOGREL(wxCoord x) const { return DeviceToLogicalXRel(x); }
+ wxCoord YDEV2LOG(wxCoord y) const { return DeviceToLogicalY(y); }
+ wxCoord YDEV2LOGREL(wxCoord y) const { return DeviceToLogicalYRel(y); }
+ wxCoord XLOG2DEV(wxCoord x) const { return LogicalToDeviceX(x); }
+ wxCoord XLOG2DEVREL(wxCoord x) const { return LogicalToDeviceXRel(x); }
+ wxCoord YLOG2DEV(wxCoord y) const { return LogicalToDeviceY(y); }
+ wxCoord YLOG2DEVREL(wxCoord y) const { return LogicalToDeviceYRel(y); }
+
// Without device translation, for backing pixmap purposes
wxCoord XLOG2DEV_2(wxCoord x) const
{
- wxCoord new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX;
- else
- return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX;
- }
- 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);
+ return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * m_signX;
}
- wxCoord YLOG2DEV(wxCoord y) const
- {
- wxCoord 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;
- }
- // Without device translation, for backing pixmap purposes
wxCoord YLOG2DEV_2(wxCoord y) const
{
- wxCoord new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY;
- else
- return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY;
- }
- 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);
+ return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * m_signY;
}
- void SetInternalDeviceOrigin( wxCoord x, wxCoord y );
- void GetInternalDeviceOrigin( wxCoord *x, wxCoord *y );
-
-public:
- // not sure what for, but what is a mm on a screen you don't know the size of?
- double m_mm_to_pix_x,m_mm_to_pix_y;
-
- // If un-scrolled is non-zero or d.o. changes with scrolling. Set using
- // SetInternalDeviceOrigin().
- wxCoord m_internalDeviceOriginX,m_internalDeviceOriginY;
-
- // To be set by external classes such as wxScrolledWindow using
- // SetDeviceOrigin()
- wxCoord m_externalDeviceOriginX,m_externalDeviceOriginY;
-
- // recompute scale?
- bool m_needComputeScaleX, m_needComputeScaleY;
-
- // wxPSDC wants to have this. Will disappear.
- float m_scaleFactor;
};
#endif
- // _WX_DC_H_
+// _WX_DC_H_
projects / wxWidgets.git / blobdiff