GetMatrixData()->Set(a,b,c,d,tx,ty);
}
+// gets the component valuess of the matrix
+void wxGraphicsMatrix::Get(wxDouble* a, wxDouble* b, wxDouble* c,
+ wxDouble* d, wxDouble* tx, wxDouble* ty) const
+{
+ GetMatrixData()->Get(a, b, c, d, tx, ty);
+}
+
// makes this the inverse matrix
void wxGraphicsMatrix::Invert()
{
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxGraphicsPath, wxGraphicsObject)
+WXDLLIMPEXP_DATA_CORE(wxGraphicsPath) wxNullGraphicsPath;
// convenience functions, for using wxPoint2DDouble etc
wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer)
{
+ m_logicalFunction = wxCOPY;
}
wxGraphicsContext::~wxGraphicsContext()
void wxGraphicsContext::SetPen( const wxPen& pen )
{
- if ( pen.GetStyle() == wxTRANSPARENT )
+ if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
SetPen( wxNullGraphicsPen );
else
SetPen( CreatePen( pen ) );
void wxGraphicsContext::SetBrush( const wxBrush& brush )
{
- if ( brush.GetStyle() == wxTRANSPARENT )
+ if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
SetBrush( wxNullGraphicsBrush );
else
SetBrush( CreateBrush( brush ) );
m_font = font;
}
+bool wxGraphicsContext::SetLogicalFunction( int function )
+{
+ if ( function == wxCOPY )
+ {
+ m_logicalFunction = function;
+ return true;
+ }
+ return false;
+}
+
void wxGraphicsContext::SetFont( const wxFont& font, const wxColour& colour )
{
if ( font.Ok() )
Translate(-x,-y);
}
+void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& backgroundBrush )
+{
+ wxGraphicsBrush formerBrush = m_brush;
+ wxDouble width;
+ wxDouble height;
+ wxDouble descent;
+ wxDouble externalLeading;
+ GetTextExtent( str , &width, &height, &descent, &externalLeading );
+ SetBrush( backgroundBrush );
+
+ wxGraphicsPath path = CreatePath();
+ path.AddRectangle( x , y, width, height );
+ FillPath( path );
+
+ DrawText( str, x ,y);
+ SetBrush( formerBrush );
+}
+
+void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle, const wxGraphicsBrush& backgroundBrush )
+{
+ wxGraphicsBrush formerBrush = m_brush;
+
+ wxDouble width;
+ wxDouble height;
+ wxDouble descent;
+ wxDouble externalLeading;
+ GetTextExtent( str , &width, &height, &descent, &externalLeading );
+ SetBrush( backgroundBrush );
+
+ wxGraphicsPath path = CreatePath();
+ path.MoveToPoint( x , y );
+ path.AddLineToPoint( (int) (x + sin(angle) * height) , (int) (y + cos(angle) * height) );
+ path.AddLineToPoint(
+ (int) (x + sin(angle) * height + cos(angle) * width) ,
+ (int) (y + cos(angle) * height - sin(angle) * width));
+ path.AddLineToPoint((int) (x + cos(angle) * width) , (int) (y - sin(angle) * width) );
+ FillPath( path );
+ DrawText( str, x ,y, angle);
+ SetBrush( formerBrush );
+}
+
void wxGraphicsContext::StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2)
{
wxGraphicsPath path = CreatePath();
{
return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
}
+#ifdef __WXMSW__
+wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc)
+{
+ return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
+}
+#endif
wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
{
return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(window);
}
+wxGraphicsContext* wxGraphicsContext::Create()
+{
+ return wxGraphicsRenderer::GetDefaultRenderer()->CreateMeasuringContext();
+}
+
//-----------------------------------------------------------------------------
// wxGraphicsRenderer
//-----------------------------------------------------------------------------