X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c0aace267b99d3bc1c107611decca0fd202d5b5..a4609ab847819b47c996674420871f4514d50625:/src/common/dcgraph.cpp

diff --git a/src/common/dcgraph.cpp b/src/common/dcgraph.cpp
index 4b4461dc3e..fc1a6a89e7 100644
--- a/src/common/dcgraph.cpp
+++ b/src/common/dcgraph.cpp
@@ -69,6 +69,11 @@ void wxGCDC::SetGraphicsContext( wxGraphicsContext* ctx )
     {
         m_matrixOriginal = m_graphicContext->GetTransform();
         m_ok = true;
+        // apply the stored transformations to the passed in context
+        ComputeScaleAndOrigin();
+        m_graphicContext->SetFont( m_font , m_textForegroundColour );
+        m_graphicContext->SetPen( m_pen );
+        m_graphicContext->SetBrush( m_brush);
     }
 }
 
@@ -76,14 +81,16 @@ wxGCDC::wxGCDC(const wxWindowDC& dc)
 {
     Init();
     SetGraphicsContext( wxGraphicsContext::Create(dc) );
-    if ( dc.GetFont().Ok())
-        m_graphicContext->SetFont( m_graphicContext->CreateFont(dc.GetFont(),dc.GetTextForeground()));
-    if ( dc.GetPen().Ok())
-        m_graphicContext->SetPen( m_graphicContext->CreatePen(dc.GetPen()));
-    if ( dc.GetBrush().Ok())
-        m_graphicContext->SetBrush( m_graphicContext->CreateBrush(dc.GetBrush()));
 }
 
+#ifdef __WXMSW__
+wxGCDC::wxGCDC(const wxMemoryDC& dc)
+{
+    Init();
+    SetGraphicsContext( wxGraphicsContext::Create(dc) );
+}
+#endif    
+
 void wxGCDC::Init()
 {
     m_ok = false;
@@ -109,7 +116,18 @@ void wxGCDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool WXUNU
     wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid DC") );
     wxCHECK_RET( bmp.Ok(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid bitmap") );
 
-    m_graphicContext->DrawBitmap( bmp, x , y , bmp.GetWidth() , bmp.GetHeight() );
+    if ( bmp.GetDepth() == 1 )
+    {
+        m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
+        m_graphicContext->SetBrush( wxBrush( m_textBackgroundColour , wxSOLID ) );
+        m_graphicContext->DrawRectangle( x , y , bmp.GetWidth() , bmp.GetHeight() );        
+        m_graphicContext->SetBrush( wxBrush( m_textForegroundColour , wxSOLID ) );
+        m_graphicContext->DrawBitmap( bmp, x , y , bmp.GetWidth() , bmp.GetHeight() );
+        m_graphicContext->SetBrush( m_graphicContext->CreateBrush(m_brush));
+        m_graphicContext->SetPen( m_graphicContext->CreatePen(m_pen));
+    }
+    else
+        m_graphicContext->DrawBitmap( bmp, x , y , bmp.GetWidth() , bmp.GetHeight() );
 }
 
 void wxGCDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
@@ -148,6 +166,7 @@ void wxGCDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
 
 void wxGCDC::DoSetClippingRegionAsRegion( const wxRegion &region )
 {
+    // region is in device coordinates
     wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
 
     if (region.Empty())
@@ -156,10 +175,13 @@ void wxGCDC::DoSetClippingRegionAsRegion( const wxRegion &region )
         return;
     }
 
+    wxRegion logRegion( region );
     wxCoord x, y, w, h;
-    region.GetBox( x, y, w, h );
 
-    m_graphicContext->Clip( region );
+    logRegion.Offset( DeviceToLogicalX(0), DeviceToLogicalY(0) );
+    logRegion.GetBox( x, y, w, h );
+
+    m_graphicContext->Clip( logRegion );
     if ( m_clipping )
     {
         m_clipX1 = wxMax( m_clipX1, x );
@@ -298,13 +320,17 @@ void wxGCDC::ComputeScaleAndOrigin()
     m_scaleX = m_logicalScaleX * m_userScaleX;
     m_scaleY = m_logicalScaleY * m_userScaleY;
 
-    m_matrixCurrent = m_graphicContext->CreateMatrix();
-    m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY );
-    m_matrixCurrent.Scale( m_scaleX, m_scaleY );
-    m_matrixCurrent.Translate( m_logicalOriginX, m_logicalOriginY );
-
-    m_graphicContext->SetTransform( m_matrixOriginal );
-    m_graphicContext->ConcatTransform( m_matrixCurrent );
+    if ( m_graphicContext )
+    {
+        m_matrixCurrent = m_graphicContext->CreateMatrix();
+        m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY );
+        m_matrixCurrent.Scale( m_scaleX, m_scaleY );
+        // the logical origin sets the origin to have new coordinates
+        m_matrixCurrent.Translate( -m_logicalOriginX, -m_logicalOriginY );
+
+        m_graphicContext->SetTransform( m_matrixOriginal );
+        m_graphicContext->ConcatTransform( m_matrixCurrent );
+    }
 }
 
 void wxGCDC::SetPalette( const wxPalette& WXUNUSED(palette) )
@@ -466,7 +492,9 @@ void wxGCDC::DoDrawArc( wxCoord x1, wxCoord y1,
     wxGraphicsPath path = m_graphicContext->CreatePath();
     if ( fill && ((x1!=x2)||(y1!=y2)) )
         path.MoveToPoint( xc, yc );
-    path.AddArc( xc, yc , rad , DegToRad(sa) , DegToRad(ea), false );
+    // since these angles (ea,sa) are measured counter-clockwise, we invert them to
+    // get clockwise angles
+    path.AddArc( xc, yc , rad , DegToRad(-sa) , DegToRad(-ea), false );
     if ( fill && ((x1!=x2)||(y1!=y2)) )
         path.AddLineToPoint( xc, yc );
     m_graphicContext->DrawPath(path);
@@ -748,7 +776,10 @@ void wxGCDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
     if ( m_logicalFunction != wxCOPY )
         return;
 
-     m_graphicContext->DrawText( str, x ,y , DegToRad(angle ));
+    if ( m_backgroundMode == wxTRANSPARENT )
+        m_graphicContext->DrawText( str, x ,y , DegToRad(angle ));
+    else
+        m_graphicContext->DrawText( str, x ,y , DegToRad(angle ), m_graphicContext->CreateBrush( wxBrush(m_textBackgroundColour,wxSOLID) ) );
 }
 
 void wxGCDC::DoDrawText(const wxString& str, wxCoord x, wxCoord y)
@@ -760,7 +791,10 @@ void wxGCDC::DoDrawText(const wxString& str, wxCoord x, wxCoord y)
     if ( m_logicalFunction != wxCOPY )
         return;
 
-    m_graphicContext->DrawText( str, x ,y);
+    if ( m_backgroundMode == wxTRANSPARENT )
+        m_graphicContext->DrawText( str, x ,y);
+    else
+        m_graphicContext->DrawText( str, x ,y , m_graphicContext->CreateBrush( wxBrush(m_textBackgroundColour,wxSOLID) ) );
 }
 
 bool wxGCDC::CanGetTextExtent() const
@@ -786,13 +820,13 @@ void wxGCDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *heig
     m_graphicContext->GetTextExtent( str, &w, &h, &d, &e );
 
     if ( height )
-        *height = h;
+        *height = (wxCoord)h;
     if ( descent )
-        *descent = d;
+        *descent = (wxCoord)d;
     if ( externalLeading )
-        *externalLeading =e;
+        *externalLeading = (wxCoord)e;
     if ( width )
-        *width = w;
+        *width = (wxCoord)w;
 
     if ( theFont )
     {