Fix building tests with wxUSE_GRAPHICS_CONTEXT==0

Don't execute code which depends on graphics context functions if wxUSE_GRAPHICS_CONTEXT==0.

tests/graphics/affinematrix.cpp

@@ -396,9 +396,11 @@ void TransformMatrixTestCaseDCBase::VMirrorAndTranslate()
     // is affected by the transformation. In this case mirrored bitmap
     // needs to be shifthed by dim pixels.
     int ty;
+#if wxUSE_GRAPHICS_CONTEXT
     if ( m_dc->GetGraphicsContext() )
         ty = m_bmpOrig.GetHeight();
     else
+#endif // wxUSE_GRAPHICS_CONTEXT
         ty = m_bmpOrig.GetHeight() - 1;
     matrix.Translate(0, -ty);
     m_dc->SetTransformMatrix(matrix);

tests/graphics/boundingbox.cpp

@@ -17,6 +17,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_GRAPHICS_CONTEXT
+
 #include "wx/bitmap.h"
 #include "wx/dcmemory.h"
 #include "wx/dcgraph.h"
@@ -24,7 +26,6 @@
 #include "wx/colour.h"
 #include "wx/gdicmn.h"
 
-
 // ----------------------------------------------------------------------------
 // test class
 // ----------------------------------------------------------------------------
@@ -54,6 +55,7 @@ public:
 private:
     wxBitmap m_bmp;
     wxMemoryDC m_dc;
+
     wxGCDC *m_gcdc;
 
     void AssertBox(int minX, int minY, int width, int height, int margin = 0)
@@ -361,3 +363,5 @@ void GCDCBoundingBoxTestCase::DrawRectsOnTransformedDC()
     m_gcdc->SetDeviceOrigin(5, 10);
     AssertBox(5, 5, 65, 60);
 }
+
+#endif // wxUSE_GRAPHICS_CONTEXT