wxGLCanvas works again

[wxWidgets.git] / include / wx / matrix.h

diff --git a/include/wx/matrix.h b/include/wx/matrix.h
index 1c5b592778dca52c78a46ad0a05261775d16a74a..8204b66f3906b46b085982f65cdfce4b363a79ab 100644 (file)
--- a/include/wx/matrix.h
+++ b/include/wx/matrix.h
@@ -9,8 +9,8 @@
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __MATRIXH__
-#define __MATRIXH__
+#ifndef _WX_MATRIXH__
+#define _WX_MATRIXH__
 
 #ifdef __GNUG__
 #pragma interface "matrix.h"
@@ -97,19 +97,24 @@ public:
 */
 };
 
+
+/*
+The code is wrong and doesn't compile. Chris Breeze als reported, that
+some functions of wxTransformMatrix cannot work because it is not
+known if he matrix has been inverted. Be careful when using it.
+
 // Transform X value from logical to device
 inline double wxTransformMatrix::TransformX(double x) const
 {
-//     return (m_isIdentity ? x : (x * m_matrix[0][0] + y * m_matrix[1][0] + m_matrix[2][0]));
-  return 0;
+       return (m_isIdentity ? x : (x * m_matrix[0][0] + y * m_matrix[1][0] + m_matrix[2][0]));
 }
 
 // Transform Y value from logical to device
 inline double wxTransformMatrix::TransformY(double y) const
 {
-//     return (m_isIdentity ? y : (x * m_matrix[0][1] + y * m_matrix[1][1] + m_matrix[2][1]));
-  return 0;
+       return (m_isIdentity ? y : (x * m_matrix[0][1] + y * m_matrix[1][1] + m_matrix[2][1]));
 }
+*/
 
 // Is the matrix the identity matrix?
 // Perhaps there's some kind of optimization we can do to make this
@@ -136,4 +141,4 @@ inline double wxCalculateDet(double a11, double a21, double a12, double a22)
 }
 
 #endif
-       // __MATRIXH__
+       // _WX_MATRIXH__