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1 | // Copyright (c) 2013 OPEN CASCADE SAS |
| 2 | // |
| 3 | // The content of this file is subject to the Open CASCADE Technology Public |
| 4 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 5 | // except in compliance with the License. Please obtain a copy of the License |
| 6 | // at http://www.opencascade.org and read it completely before using this file. |
| 7 | // |
| 8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 10 | // |
| 11 | // The Original Code and all software distributed under the License is |
| 12 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 13 | // Initial Developer hereby disclaims all such warranties, including without |
| 14 | // limitation, any warranties of merchantability, fitness for a particular |
| 15 | // purpose or non-infringement. Please see the License for the specific terms |
| 16 | // and conditions governing the rights and limitations under the License. |
| 17 | |
| 18 | #ifndef OpenGl_Flipper_Header |
| 19 | #define OpenGl_Flipper_Header |
| 20 | |
| 21 | #include <OpenGl_Element.hxx> |
| 22 | #include <OpenGl_Vec.hxx> |
| 23 | #include <Handle_OpenGl_Workspace.hxx> |
| 24 | |
| 25 | class gp_Ax2; |
| 26 | |
| 27 | //! Being rendered, the elements modifies current model-view matrix such that the axes of |
| 28 | //! the specified reference system (in model space) become oriented in the following way: |
| 29 | //! - X - heads to the right side of view. |
| 30 | //! - Y - heads to the up side of view. |
| 31 | //! - N(Z) - heads towards the screen. |
| 32 | //! Originally, this element serves for need of flipping the 3D text of dimension presentations. |
| 33 | class OpenGl_Flipper : public OpenGl_Element |
| 34 | { |
| 35 | public: |
| 36 | |
| 37 | //! Construct rendering element to flip model-view matrix |
| 38 | //! along the reference system to ensure up-Y, right-X orientation. |
| 39 | //! @param theReferenceSystem [in] the reference coordinate system. |
| 40 | Standard_EXPORT OpenGl_Flipper (const gp_Ax2& theReferenceSystem); |
| 41 | |
| 42 | //! Set options for the element. |
| 43 | //! @param theIsEnabled [in] flag indicates whether the flipper |
| 44 | //! matrix modification should be set up or restored back. |
| 45 | void SetOptions (const Standard_Boolean theIsEnabled) { myIsEnabled = theIsEnabled; } |
| 46 | |
| 47 | Standard_EXPORT virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const; |
| 48 | Standard_EXPORT virtual void Release (const Handle(OpenGl_Context)& theCtx); |
| 49 | |
| 50 | public: |
| 51 | |
| 52 | DEFINE_STANDARD_ALLOC |
| 53 | |
| 54 | protected: |
| 55 | |
| 56 | OpenGl_Vec4 myReferenceOrigin; |
| 57 | OpenGl_Vec4 myReferenceX; |
| 58 | OpenGl_Vec4 myReferenceY; |
| 59 | OpenGl_Vec4 myReferenceZ; |
| 60 | Standard_Boolean myIsEnabled; |
| 61 | |
| 62 | }; |
| 63 | |
| 64 | #endif // OpenGl_Flipper_Header |
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