#ifndef _WX_DC_H_
#define _WX_DC_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "dc.h"
-#endif
-
#include "wx/defs.h"
#include "wx/region.h"
public:
wxDC();
- ~wxDC();
+ virtual ~wxDC();
// implement base class pure virtuals
// ----------------------------------
// implementation from now on
// --------------------------
-
+
virtual 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;
+ return wxRound((double)(x - m_deviceOriginX) / m_scaleX) * 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);
+ return wxRound((double)(x) / m_scaleX);
}
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;
+ return wxRound((double)(y - m_deviceOriginY) / m_scaleY) * 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);
+ return wxRound((double)(y) / m_scaleY);
}
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;
+ return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * 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);
+ return wxRound((double)(x) * m_scaleX);
}
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;
+ return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * 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);
+ return wxRound((double)(y) * m_scaleY);
}
MGLDevCtx *GetMGLDC() const { return m_MGLDC; }
- void SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC = FALSE);
+ void SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC = false);
protected:
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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 DoDrawText(const wxString& text, wxCoord x, wxCoord y);
virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
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);
+ 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 DoGetClippingRegion(wxCoord *x, wxCoord *y,
- wxCoord *width, wxCoord *height)
- {
- GetClippingBox(x, y, width, height);
- }
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetSizeMM(int* width, int* height) const;
// common part of DoDrawText() and DoDrawRotatedText()
void DrawAnyText(const wxString& text, wxCoord x, wxCoord y);
-
+
// MGL uses pens as both wxPens and wxBrushes, so we have to
// switch them as needed:
void SelectPen();
void SelectBrush();
void SelectMGLStipplePen(int style);
void SelectMGLFatPen(int style, int flag);
-
+
// Select m_font into m_MGLDC:
bool SelectMGLFont();
-
+
// Convert wxWin logical function to MGL rop:
int LogicalFunctionToMGLRop(int logFunc) const;
-
+
// Unified implementation of DrawIcon, DrawBitmap and Blit:
- void DoDrawSubBitmap(const wxBitmap &bmp,
+ void DoDrawSubBitmap(const wxBitmap &bmp,
wxCoord x, wxCoord y, wxCoord w, wxCoord h,
wxCoord destx, wxCoord desty, int rop, bool useMask);
// MGL DC class we use:
MGLDevCtx *m_MGLDC;
bool m_OwnsMGLDC:1;
-
+
// helper variables for SelectXXXX():
bool m_penSelected;
bool m_brushSelected;
bool m_downloadedPatterns[2];
- // MGL does not render lines with width>1 with endings centered
+ // MGL does not render lines with width>1 with endings centered
// at given coords but with top left corner of the pen at them,
// these offsets are used to correct it. They are computed by
// SelectPen.
int m_penOfsX, m_penOfsY;
double m_mm_to_pix_x, m_mm_to_pix_y;
-
+
wxPalette m_oldPalette;
-
+
wxRegion m_currentClippingRegion;
wxRegion m_globalClippingRegion;
// wxDC::Blit handles memoryDCs as special cases :(
bool m_isMemDC;
-
+
font_t *m_mglFont;
};
projects / wxWidgets.git / blobdiff