fixed SetUserScale() calls to use correct scale on Y axis

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

diff --git a/src/common/dcgraph.cpp b/src/common/dcgraph.cpp
index 6c4e5345305292a733900e2e6168d33af3eb2115..96516c4e5234baa3e89cb78affe88ac7c64546c3 100644 (file)
--- a/src/common/dcgraph.cpp
+++ b/src/common/dcgraph.cpp
@@ -31,7 +31,11 @@
 #include "wx/dcclient.h"
 
 #ifdef __WXOSX__
-    #include "ApplicationServices/ApplicationServices.h"
+#ifdef __WXOSX_IPHONE__
+    #include <CoreGraphics/CoreGraphics.h>
+#else
+    #include <ApplicationServices/ApplicationServices.h>
+#endif
 #endif
 
 //-----------------------------------------------------------------------------
@@ -65,6 +69,11 @@ wxGCDC::wxGCDC( const wxMemoryDC& dc) :
 {
 }
 
+wxGCDC::wxGCDC( const wxPrinterDC& dc) :
+  wxDC( new wxGCDCImpl( this, dc ) )
+{
+}
+
 wxGCDC::wxGCDC() :
   wxDC( new wxGCDCImpl( this ) )
 {
@@ -127,6 +136,13 @@ wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc ) :
     SetGraphicsContext( wxGraphicsContext::Create(dc) );
 }
 
+wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc ) :
+   wxDCImpl( owner )
+{
+    Init();
+    SetGraphicsContext( wxGraphicsContext::Create(dc) );
+}
+
 void wxGCDCImpl::Init()
 {
     m_ok = false;
@@ -225,10 +241,10 @@ void wxGCDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h
     }
 }
 
-void wxGCDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region )
+void wxGCDCImpl::DoSetDeviceClippingRegion( const wxRegion &region )
 {
     // region is in device coordinates
-    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
+    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetDeviceClippingRegion - invalid DC") );
 
     if (region.Empty())
     {
@@ -351,11 +367,13 @@ void wxGCDCImpl::ComputeScaleAndOrigin()
     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_matrixCurrent.Translate( m_deviceOriginX - m_logicalOriginX * m_signX * m_scaleX, 
+                                   m_deviceOriginY-m_logicalOriginY * m_signY * m_scaleY);
+        
+        m_matrixCurrent.Scale( m_scaleX * m_signX, m_scaleY * m_signY );
+        
         m_graphicContext->SetTransform( m_matrixOriginal );
         m_graphicContext->ConcatTransform( m_matrixCurrent );
     }
@@ -537,21 +555,19 @@ void wxGCDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
     {
         wxGraphicsPath path = m_graphicContext->CreatePath();
         path.MoveToPoint( 0, 0 );
-        path.AddLineToPoint( h / 2.0 * cos(DegToRad(sa)) , h / 2.0 * sin(DegToRad(-sa)) );
-        path.AddLineToPoint( h / 2.0 * cos(DegToRad(ea)) , h / 2.0 * sin(DegToRad(-ea)) );
+        path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
         path.AddLineToPoint( 0, 0 );
         m_graphicContext->FillPath( path );
 
         path = m_graphicContext->CreatePath();
         path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
-        m_graphicContext->FillPath( path );
         m_graphicContext->StrokePath( path );
     }
     else
     {
         wxGraphicsPath path = m_graphicContext->CreatePath();
-    path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
-    m_graphicContext->DrawPath( path );
+        path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
+        m_graphicContext->DrawPath( path );
     }
 
     m_graphicContext->PopState();