Added OGL to contrib

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6407 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/include/wx/ogl/constrnt.h

@@ -0,0 +1,87 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        constrnt.h
+// Purpose:     OGL constraint definitions
+// Author:      Julian Smart
+// Modified by:
+// Created:     12/07/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _OGL_CONSTRNT_H_
+#define _OGL_CONSTRNT_H_
+
+#ifdef __GNUG__
+#pragma interface "constrnt.h"
+#endif
+
+/*
+ * OGL Constraints
+ *
+ */
+
+class wxOGLConstraintType: public wxObject
+{
+ DECLARE_DYNAMIC_CLASS(wxOGLConstraintType)
+public:
+  wxOGLConstraintType(int type = 0, const wxString& name = "", const wxString& phrase = "");
+  ~wxOGLConstraintType();
+
+public:
+  int           m_type;     // E.g. gyCONSTRAINT_CENTRED_VERTICALLY
+  wxString      m_name;     // E.g. "Centre vertically"
+  wxString      m_phrase;   // E.g. "centred vertically with respect to", "left of"
+
+};
+
+extern wxList* wxOGLConstraintTypes;
+
+#define gyCONSTRAINT_CENTRED_VERTICALLY   1
+#define gyCONSTRAINT_CENTRED_HORIZONTALLY 2
+#define gyCONSTRAINT_CENTRED_BOTH         3
+#define gyCONSTRAINT_LEFT_OF              4
+#define gyCONSTRAINT_RIGHT_OF             5
+#define gyCONSTRAINT_ABOVE                6
+#define gyCONSTRAINT_BELOW                7
+#define gyCONSTRAINT_ALIGNED_TOP          8
+#define gyCONSTRAINT_ALIGNED_BOTTOM       9
+#define gyCONSTRAINT_ALIGNED_LEFT         10
+#define gyCONSTRAINT_ALIGNED_RIGHT        11
+
+// Like aligned, but with the objects centred on the respective edge
+// of the reference object.
+#define gyCONSTRAINT_MIDALIGNED_TOP       12
+#define gyCONSTRAINT_MIDALIGNED_BOTTOM    13
+#define gyCONSTRAINT_MIDALIGNED_LEFT      14
+#define gyCONSTRAINT_MIDALIGNED_RIGHT     15
+
+class wxOGLConstraint: public wxObject
+{
+ DECLARE_DYNAMIC_CLASS(wxOGLConstraint)
+ public:
+  wxOGLConstraint() { m_xSpacing = 0.0; m_ySpacing = 0.0; m_constraintType = 0; m_constraintName = ""; m_constraintId = 0;
+                        m_constrainingObject = NULL; }
+  wxOGLConstraint(int type, wxShape *constraining, wxList& constrained);
+  ~wxOGLConstraint();
+
+  // Returns TRUE if anything changed
+  bool Evaluate();
+  inline void SetSpacing(double x, double y) { m_xSpacing = x; m_ySpacing = y; };
+  bool Equals(double a, double b);
+
+  double         m_xSpacing;
+  double         m_ySpacing;
+  int           m_constraintType;
+  wxString      m_constraintName;
+  long          m_constraintId;
+  wxShape*      m_constrainingObject;
+  wxList        m_constrainedObjects;
+
+};
+
+void OGLInitializeConstraintTypes();
+void OGLCleanUpConstraintTypes();
+
+#endif
+ // _OGL_CONSTRNT_H_