vc6 did not like this (void function returning a value)

[wxWidgets.git] / src / common / graphcmn.cpp

diff --git a/src/common/graphcmn.cpp b/src/common/graphcmn.cpp
index a64c562fb35e9bc6300d7d8fc7b7a8ff951e6f76..4095bb95a9046faeb9e56fc1ee67e3eedafc98d5 100644 (file)
--- a/src/common/graphcmn.cpp
+++ b/src/common/graphcmn.cpp
@@ -147,6 +147,13 @@ void wxGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
     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()
 {
@@ -495,6 +502,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxGraphicsContext, wxObject)
 
 wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) 
 {
+    m_logicalFunction = wxCOPY;
 }
 
 wxGraphicsContext::~wxGraphicsContext() 
@@ -509,7 +517,7 @@ void wxGraphicsContext::SetPen( const wxGraphicsPen& pen )
 
 void wxGraphicsContext::SetPen( const wxPen& pen )
 {
-    if ( pen.GetStyle() == wxTRANSPARENT )
+    if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
         SetPen( wxNullGraphicsPen );
     else
         SetPen( CreatePen( pen ) );
@@ -523,7 +531,7 @@ void wxGraphicsContext::SetBrush( const wxGraphicsBrush& brush )
 
 void wxGraphicsContext::SetBrush( const wxBrush& brush )
 {
-    if ( brush.GetStyle() == wxTRANSPARENT )
+    if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
         SetBrush( wxNullGraphicsBrush );
     else
         SetBrush( CreateBrush( brush ) );
@@ -535,6 +543,16 @@ void wxGraphicsContext::SetFont( const wxGraphicsFont& font )
     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() )
@@ -558,6 +576,47 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w
     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();
@@ -666,6 +725,12 @@ wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc)
 {
     return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
 }
+#ifdef __WXMSW__
+wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) 
+{
+    return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc);
+}
+#endif
 
 wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
 {
@@ -682,6 +747,11 @@ wxGraphicsContext* wxGraphicsContext::Create( wxWindow* window )
     return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(window);
 }
 
+wxGraphicsContext* wxGraphicsContext::Create()
+{
+    return wxGraphicsRenderer::GetDefaultRenderer()->CreateMeasuringContext();
+}
+
 //-----------------------------------------------------------------------------
 // wxGraphicsRenderer
 //-----------------------------------------------------------------------------