-//-----------------------------------------------------------------------------
-// wxDC
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_ABSTRACT_CLASS(wxDC,wxObject)
-
-wxDC::wxDC(void)
-{
- m_ok = FALSE;
- m_optimize = FALSE;
- m_autoSetting = FALSE;
- m_colour = TRUE;
- m_clipping = FALSE;
-
- m_mm_to_pix_x = 1.0;
- m_mm_to_pix_y = 1.0;
-
- m_logicalOriginX = 0;
- m_logicalOriginY = 0;
- m_deviceOriginX = 0;
- m_deviceOriginY = 0;
-
- m_logicalScaleX = 1.0;
- m_logicalScaleY = 1.0;
- m_userScaleX = 1.0;
- m_userScaleY = 1.0;
- m_scaleX = 1.0;
- m_scaleY = 1.0;
-
- m_mappingMode = MM_TEXT;
- m_needComputeScaleX = FALSE;
- m_needComputeScaleY = FALSE;
-
- m_signX = 1; // default x-axis left to right
- m_signY = 1; // default y-axis top down
-
- m_maxX = m_maxY = -100000;
- m_minY = m_minY = 100000;
-
- m_logicalFunction = wxCOPY;
-// m_textAlignment = wxALIGN_TOP_LEFT;
- m_backgroundMode = wxTRANSPARENT;
-
- m_textForegroundColour = *wxBLACK;
- m_textBackgroundColour = *wxWHITE;
- m_pen = *wxBLACK_PEN;
- m_font = *wxNORMAL_FONT;
- m_brush = *wxTRANSPARENT_BRUSH;
- 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::DrawPoint( wxPoint& point )
-{
- DrawPoint( point.x, point.y );
-}
-
-void wxDC::DrawPolygon( wxList *list, long xoffset, long yoffset, int fillStyle )
-{
- int n = list->Number();
- wxPoint *points = new wxPoint[n];
-
- int i = 0;
- for( wxNode *node = list->First(); node; node = node->Next() )
- {
- 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 )
-{
- int n = list->Number();
- wxPoint *points = new wxPoint[n];
-
- int i = 0;
- for( wxNode *node = list->First(); node; node = node->Next() )
- {
- 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.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( 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_clipping = TRUE;
- m_clipX1 = x;
- 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
-{
- if (m_clipping)
- {
- if (x) *x = m_clipX1;
- if (y) *y = m_clipY1;
- if (width) *width = (m_clipX2 - m_clipX1);
- if (height) *height = (m_clipY2 - m_clipY1);
- }
- 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
-{
- int w = 0;
- int h = 0;
- 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 )
-{
- switch (mode)
- {
- case MM_TWIPS:
- SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
- break;
- case MM_POINTS:
- SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
- break;
- case MM_METRIC:
- SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
- break;
- case MM_LOMETRIC:
- SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
- break;
- default:
- 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 )
-{
- // allow negative ? -> no
- 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 )
-{
- // allow negative ?
- 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 )
projects / wxWidgets.git / blobdiff