#include "wx/dcscreen.h"
#include "wx/dcprint.h"
#include "wx/prntbase.h"
+#include "wx/scopeguard.h"
#ifndef WX_PRECOMP
#include "wx/math.h"
#endif
#ifdef __WXMAC__
- #include "wx/mac/dcclient.h"
- #include "wx/mac/dcmemory.h"
- #include "wx/mac/dcscreen.h"
+ #include "wx/osx/dcclient.h"
+ #include "wx/osx/dcmemory.h"
+ #include "wx/osx/dcscreen.h"
#endif
#ifdef __WXPM__
// wxNativeDCFactory
//-----------------------------------------------------------------------------
-wxDCImpl* wxNativeDCFactory::CreateWindowDC( wxWindowDC *owner )
-{
- return new wxWindowDCImpl( owner );
-}
-
wxDCImpl* wxNativeDCFactory::CreateWindowDC( wxWindowDC *owner, wxWindow *window )
{
- return new wxWindowDCImpl( owner, window );
-}
-
-wxDCImpl* wxNativeDCFactory::CreateClientDC( wxClientDC *owner )
-{
- return new wxClientDCImpl( owner );
+ wxDCImpl * const impl = new wxWindowDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
}
wxDCImpl* wxNativeDCFactory::CreateClientDC( wxClientDC *owner, wxWindow *window )
{
- return new wxClientDCImpl( owner, window );
-}
-
-wxDCImpl* wxNativeDCFactory::CreatePaintDC( wxPaintDC *owner )
-{
- return new wxPaintDCImpl( owner );
+ wxDCImpl * const impl = new wxClientDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
}
wxDCImpl* wxNativeDCFactory::CreatePaintDC( wxPaintDC *owner, wxWindow *window )
{
- return new wxPaintDCImpl( owner, window );
+ wxDCImpl * const impl = new wxPaintDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
}
wxDCImpl* wxNativeDCFactory::CreateMemoryDC( wxMemoryDC *owner )
return new wxMemoryDCImpl( owner );
}
-wxDCImpl* wxNativeDCFactory::CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap )
+wxDCImpl* wxNativeDCFactory::CreateMemoryDC(wxMemoryDC *owner, wxBitmap& bitmap)
{
- return new wxMemoryDCImpl( owner, bitmap );
+ // the bitmap may be modified when it's selected into a memory DC so make
+ // sure changing this bitmap doesn't affect any other shallow copies of it
+ // (see wxMemoryDC::SelectObject())
+ //
+ // notice that we don't provide any ctor equivalent to SelectObjectAsSource
+ // method because this should be rarely needed and easy to work around by
+ // using the default ctor and calling SelectObjectAsSource itself
+ if ( bitmap.IsOk() )
+ bitmap.UnShare();
+
+ return new wxMemoryDCImpl(owner, bitmap);
}
wxDCImpl* wxNativeDCFactory::CreateMemoryDC( wxMemoryDC *owner, wxDC *dc )
{
}
-wxRect wxPrinterDC::GetPaperRect()
+wxRect wxPrinterDC::GetPaperRect() const
{
return GetImpl()->GetPaperRect();
}
-int wxPrinterDC::GetResolution()
+int wxPrinterDC::GetResolution() const
{
return GetImpl()->GetResolution();
}
m_scaleY = m_logicalScaleY * m_userScaleY;
}
-void wxDCImpl::SetMapMode( int mode )
+void wxDCImpl::SetMapMode( wxMappingMode mode )
{
switch (mode)
{
wxString curLine;
for ( wxString::const_iterator pc = text.begin(); ; ++pc )
{
- if ( pc == text.end() || *pc == _T('\n') )
+ if ( pc == text.end() || *pc == wxT('\n') )
{
if ( curLine.empty() )
{
if ( !heightLineDefault )
{
// but we don't know it yet - choose something reasonable
- DoGetTextExtent(_T("W"), NULL, &heightLineDefault,
+ DoGetTextExtent(wxT("W"), NULL, &heightLineDefault,
NULL, NULL, font);
}
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
wxCoord srcWidth, wxCoord srcHeight,
- int rop,
+ wxRasterOperationMode rop,
bool useMask,
wxCoord xsrcMask,
wxCoord ysrcMask)
{
wxCHECK_MSG( srcWidth && srcHeight && dstWidth && dstHeight, false,
- _T("invalid blit size") );
+ wxT("invalid blit size") );
// emulate the stretching by modifying the DC scale
double xscale = (double)srcWidth/dstWidth,
void wxDCImpl::DrawPolygon(const wxPointList *list,
wxCoord xoffset, wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
int n = list->GetCount();
wxPoint *points = new wxPoint[n];
int count[],
wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
if ( n == 1 )
{
static bool wx_spline_add_point(double x, double y);
static void wx_spline_draw_point_array(wxDC *dc);
-wxPointList wx_spline_point_list;
+static wxPointList wx_spline_point_list;
#define half(z1, z2) ((z1+z2)/2.0)
#define THRESHOLD 5
const wxColour& destColour,
const wxPoint& circleCenter)
{
- //save the old pen color
- wxColour oldPenColour = m_pen.GetColour();
+ // save the old pen and ensure it is restored on exit
+ const wxPen penOrig = m_pen;
+ wxON_BLOCK_EXIT_SET(m_pen, penOrig);
wxUint8 nR1 = destColour.Red();
wxUint8 nG1 = destColour.Green();
nB = (wxUint8)(nB1 + ((nB2 - nB1) * nGradient / 100));
//set the pixel
- m_pen.SetColour(wxColour(nR,nG,nB));
+ m_pen = wxColour(nR,nG,nB);
DoDrawPoint(x + rect.GetLeft(), y + rect.GetTop());
}
}
- //return old pen color
- m_pen.SetColour(oldPenColour);
+}
+
+void wxDCImpl::InheritAttributes(wxWindow *win)
+{
+ wxCHECK_RET( win, "window can't be NULL" );
+
+ SetFont(win->GetFont());
+ SetTextForeground(win->GetForegroundColour());
+ SetTextBackground(win->GetBackgroundColour());
+ SetBackground(win->GetBackgroundColour());
+ SetLayoutDirection(win->GetLayoutDirection());
}
//-----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+void wxDC::CopyAttributes(const wxDC& dc)
+{
+ SetFont(dc.GetFont());
+ SetTextForeground(dc.GetTextForeground());
+ SetTextBackground(dc.GetTextBackground());
+ SetBackground(dc.GetBackground());
+ SetLayoutDirection(dc.GetLayoutDirection());
+}
+
void wxDC::DrawLabel(const wxString& text,
const wxBitmap& bitmap,
const wxRect& rect,
yUnderscore = 0;
// split the string into lines and draw each of them separately
+ //
+ // NB: while wxDC::DrawText() on some platforms supports drawing multi-line
+ // strings natively, this is not the case for all of them, notably not
+ // wxMSW which uses this function for multi-line texts, so we may only
+ // call DrawText() for single-line strings from here to avoid infinite
+ // recursion.
wxString curLine;
for ( wxString::const_iterator pc = text.begin(); ; ++pc )
{
if (h) *h = hh;
}
+void wxDC::DrawObject(wxDrawObject* drawobject)
+{
+ drawobject->Draw(*this);
+ CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
+ CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
+}
+
#endif // WXWIN_COMPATIBILITY_2_8
/*
} // CalculateEllipticPoints
#endif // __WXWINCE__
+
+float wxDCImpl::GetFontPointSizeAdjustment(float dpi)
+{
+ // wxMSW has long-standing bug where wxFont point size is interpreted as
+ // "pixel size corresponding to given point size *on screen*". In other
+ // words, on a typical 600dpi printer and a typical 96dpi screen, fonts
+ // are ~6 times smaller when printing. Unfortunately, this bug is so severe
+ // that *all* printing code has to account for it and consequently, other
+ // ports need to emulate this bug too:
+ const wxSize screenPPI = wxGetDisplayPPI();
+ return float(screenPPI.y) / dpi;
+}
projects / wxWidgets.git / blobdiff