// Purpose:
// Author: Robert Roebling
// Created: 01/02/97
-// Id:
+// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
m_logicalOriginY = 0;
m_deviceOriginX = 0;
m_deviceOriginY = 0;
- m_internalDeviceOriginX = 0;
- m_internalDeviceOriginY = 0;
- m_externalDeviceOriginX = 0;
- m_externalDeviceOriginY = 0;
m_logicalScaleX = 1.0;
m_logicalScaleY = 1.0;
m_backgroundBrush = *wxWHITE_BRUSH;
// m_palette = wxAPP_COLOURMAP;
-};
+}
wxDC::~wxDC(void)
{
-};
+}
+
+bool wxDC::Ok(void) const
+{
+ wxASSERT_MSG( m_ok, "invalid display context" );
+ return m_ok;
+}
void wxDC::DrawArc( long WXUNUSED(x1), long WXUNUSED(y1), long WXUNUSED(x2), long WXUNUSED(y2),
double WXUNUSED(xc), double WXUNUSED(yc) )
{
-};
+}
void wxDC::DrawIcon( const wxIcon &WXUNUSED(icon), long WXUNUSED(x), long WXUNUSED(y), bool WXUNUSED(useMask) )
{
-};
+}
void wxDC::DrawPoint( wxPoint& point )
{
DrawPoint( point.x, point.y );
-};
+}
void wxDC::DrawPolygon( wxList *list, long xoffset, long yoffset, int fillStyle )
{
wxPoint *point = (wxPoint *)node->Data();
points[i].x = point->x;
points[i++].y = point->y;
- };
+ }
DrawPolygon( n, points, xoffset, yoffset, fillStyle );
delete[] points;
-};
+}
void wxDC::DrawLines( wxList *list, long xoffset, long yoffset )
{
wxPoint *point = (wxPoint *)node->Data();
points[i].x = point->x;
points[i++].y = point->y;
- };
+ }
DrawLines( n, points, xoffset, yoffset );
delete []points;
-};
+}
void wxDC::DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 )
{
wxList list;
- list.DeleteContents(TRUE);
- list.Append( new wxPoint(x1, y1) );
- list.Append( new wxPoint(x2, y2) );
- list.Append( new wxPoint(x3, y3) );
+ list.Append( (wxObject*)new wxPoint(x1, y1) );
+ list.Append( (wxObject*)new wxPoint(x2, y2) );
+ list.Append( (wxObject*)new wxPoint(x3, y3) );
DrawSpline(&list);
-};
+ wxNode *node = list.First();
+ while (node)
+ {
+ wxPoint *p = (wxPoint*)node->Data();
+ delete p;
+ node = node->Next();
+ }
+}
void wxDC::DrawSpline( wxList *points )
{
DrawOpenSpline( points );
-};
+}
void wxDC::DrawSpline( int n, wxPoint points[] )
{
wxList list;
for (int i = 0; i < n; i++) list.Append( (wxObject*)&points[i] );
DrawSpline( &list );
-};
+}
void wxDC::SetClippingRegion( long x, long y, long width, long height )
{
m_clipY1 = y;
m_clipX2 = x + width;
m_clipY2 = y + height;
-};
+}
void wxDC::DestroyClippingRegion(void)
{
m_clipping = FALSE;
-};
+}
void wxDC::GetClippingBox( long *x, long *y, long *width, long *height ) const
{
}
else
*x = *y = *width = *height = 0;
-};
+}
void wxDC::GetSize( int* width, int* height ) const
{
*width = m_maxX-m_minX;
*height = m_maxY-m_minY;
-};
+}
void wxDC::GetSizeMM( long* width, long* height ) const
{
GetSize( &w, &h );
*width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
*height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
-};
+}
void wxDC::SetTextForeground( const wxColour &col )
{
if (!Ok()) return;
m_textForegroundColour = col;
-};
+}
void wxDC::SetTextBackground( const wxColour &col )
{
if (!Ok()) return;
m_textBackgroundColour = col;
-};
+}
void wxDC::SetMapMode( int mode )
{
case MM_TEXT:
SetLogicalScale( 1.0, 1.0 );
break;
- };
+ }
if (mode != MM_TEXT)
{
m_needComputeScaleX = TRUE;
m_needComputeScaleY = TRUE;
- };
-};
+ }
+}
void wxDC::SetUserScale( double x, double y )
{
m_userScaleX = x;
m_userScaleY = y;
ComputeScaleAndOrigin();
-};
+}
void wxDC::GetUserScale( double *x, double *y )
{
if (x) *x = m_userScaleX;
if (y) *y = m_userScaleY;
-};
+}
void wxDC::SetLogicalScale( double x, double y )
{
m_logicalScaleX = x;
m_logicalScaleY = y;
ComputeScaleAndOrigin();
-};
+}
void wxDC::GetLogicalScale( double *x, double *y )
{
if (x) *x = m_logicalScaleX;
if (y) *y = m_logicalScaleY;
-};
+}
void wxDC::SetLogicalOrigin( long x, long y )
{
m_logicalOriginX = x * m_signX; // is this still correct ?
m_logicalOriginY = y * m_signY;
ComputeScaleAndOrigin();
-};
+}
void wxDC::GetLogicalOrigin( long *x, long *y )
{
if (x) *x = m_logicalOriginX;
if (y) *y = m_logicalOriginY;
-};
+}
void wxDC::SetDeviceOrigin( long x, long y )
{
- m_externalDeviceOriginX = x;
- m_externalDeviceOriginY = y;
+ m_deviceOriginX = x;
+ m_deviceOriginY = y;
ComputeScaleAndOrigin();
-};
+}
void wxDC::GetDeviceOrigin( long *x, long *y )
{
- if (x) *x = m_externalDeviceOriginX;
- if (y) *y = m_externalDeviceOriginY;
-};
-
-void wxDC::SetInternalDeviceOrigin( long x, long y )
-{
- m_internalDeviceOriginX = x;
- m_internalDeviceOriginY = y;
- ComputeScaleAndOrigin();
-};
-
-void wxDC::GetInternalDeviceOrigin( long *x, long *y )
-{
- if (x) *x = m_internalDeviceOriginX;
- if (y) *y = m_internalDeviceOriginY;
-};
+ if (x) *x = m_deviceOriginX;
+ if (y) *y = m_deviceOriginY;
+}
void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
{
m_signX = (xLeftRight ? 1 : -1);
m_signY = (yBottomUp ? -1 : 1);
ComputeScaleAndOrigin();
-};
+}
long wxDC::DeviceToLogicalX(long x) const
{
return XDEV2LOG(x);
-};
+}
long wxDC::DeviceToLogicalY(long y) const
{
return YDEV2LOG(y);
-};
+}
long wxDC::DeviceToLogicalXRel(long x) const
{
return XDEV2LOGREL(x);
-};
+}
long wxDC::DeviceToLogicalYRel(long y) const
{
return YDEV2LOGREL(y);
-};
+}
long wxDC::LogicalToDeviceX(long x) const
{
return XLOG2DEV(x);
-};
+}
long wxDC::LogicalToDeviceY(long y) const
{
return YLOG2DEV(y);
-};
+}
long wxDC::LogicalToDeviceXRel(long x) const
{
return XLOG2DEVREL(x);
-};
+}
long wxDC::LogicalToDeviceYRel(long y) const
{
return YLOG2DEVREL(y);
-};
+}
void wxDC::CalcBoundingBox( long x, long y )
{
if (y < m_minY) m_minY = y;
if (x > m_maxX) m_maxX = x;
if (y > m_maxY) m_maxY = y;
-};
+}
void wxDC::ComputeScaleAndOrigin(void)
{
+ // CMB: copy scale to see if it changes
+ double origScaleX = m_scaleX;
+ double origScaleY = m_scaleY;
+
m_scaleX = m_logicalScaleX * m_userScaleX;
m_scaleY = m_logicalScaleY * m_userScaleY;
- m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
- m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
-};
+ // CMB: if scale has changed call SetPen to recalulate the line width
+ if (m_scaleX != origScaleX || m_scaleY != origScaleY)
+ {
+ // this is a bit artificial, but we need to force wxDC to think
+ // the pen has changed
+ wxPen* pen = GetPen();
+ wxPen tempPen;
+ m_pen = tempPen;
+ SetPen(pen);
+ }
+}
projects / wxWidgets.git / blobdiff