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112 lines
4.3 KiB
C++
112 lines
4.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOpenGLGL2PSHelperImpl.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkOpenGLGL2PSHelperImpl
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* @brief vtkOpenGLGL2PSHelper override
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* implementation.
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*/
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#ifndef vtkOpenGLGL2PSHelperImpl_h
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#define vtkOpenGLGL2PSHelperImpl_h
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#include "vtkOpenGLGL2PSHelper.h"
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#include "vtkRenderingGL2PSOpenGL2Module.h" // For export macro
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class vtkMatrix4x4;
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class vtkPoints;
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class VTKRENDERINGGL2PSOPENGL2_EXPORT vtkOpenGLGL2PSHelperImpl : public vtkOpenGLGL2PSHelper
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{
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public:
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static vtkOpenGLGL2PSHelperImpl* New();
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vtkTypeMacro(vtkOpenGLGL2PSHelperImpl, vtkOpenGLGL2PSHelper);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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void ProcessTransformFeedback(
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vtkTransformFeedback* tfc, vtkRenderer* ren, vtkActor* act) override;
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void ProcessTransformFeedback(
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vtkTransformFeedback* tfc, vtkRenderer* ren, unsigned char col[4]) override;
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void ProcessTransformFeedback(vtkTransformFeedback* tfc, vtkRenderer* ren, float col[4]) override;
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void DrawString(const std::string& str, vtkTextProperty* tprop, double pos[3],
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double backgroundDepth, vtkRenderer* ren) override;
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void DrawPath(vtkPath* path, double rasterPos[3], double windowPos[2], unsigned char rgba[4],
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double scale[2] = nullptr, double rotateAngle = 0.0, float strokeWidth = -1,
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const char* label = nullptr) override;
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void Draw3DPath(vtkPath* path, vtkMatrix4x4* actorMatrix, double rasterPos[3],
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unsigned char actorColor[4], vtkRenderer* ren, const char* label = nullptr) override;
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void DrawImage(vtkImageData* image, double pos[3]) override;
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protected:
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vtkOpenGLGL2PSHelperImpl();
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~vtkOpenGLGL2PSHelperImpl() override;
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/**
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* Translate the tprop's fontname into a Postscript font name.
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*/
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static const char* TextPropertyToPSFontName(vtkTextProperty* tprop);
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/**
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* Convert the alignment hint in tprop to a GL2PS text alignment constant.
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*/
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static int TextPropertyToGL2PSAlignment(vtkTextProperty* tprop);
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/**
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* Extracts the information needed for transforming and projecting points
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* from a renderer.
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*/
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static void GetTransformParameters(vtkRenderer* ren, vtkMatrix4x4* actorMatrix,
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vtkMatrix4x4* xform, double vpOrigin[2], double halfSize[2], double zfact[2]);
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//@{
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/**
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* Project the point from world coordinates into device coordinates.
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*/
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static void ProjectPoint(double point[3], vtkRenderer* ren, vtkMatrix4x4* actorMatrix = nullptr);
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static void ProjectPoint(double point[4], vtkMatrix4x4* transformMatrix, double viewportOrigin[2],
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double halfWidth, double halfHeight, double zfact1, double zfact2);
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static void ProjectPoints(
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vtkPoints* points, vtkRenderer* ren, vtkMatrix4x4* actorMatrix = nullptr);
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//@}
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//@{
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/**
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* Unproject the point from device coordinates into world coordinates.
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* Input Z coordinate should be in NDC space.
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*/
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static void UnprojectPoint(double point[4], vtkMatrix4x4* invTransformMatrix,
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double viewportOrigin[2], double halfWidth, double halfHeight, double zfact1, double zfact2);
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static void UnprojectPoints(
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double* points3D, vtkIdType numPoints, vtkRenderer* ren, vtkMatrix4x4* actorMatrix = nullptr);
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//@}
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void DrawPathPS(vtkPath* path, double rasterPos[3], double windowPos[2], unsigned char rgba[4],
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double scale[2], double rotateAngle, float strokeWidth, const std::string& label);
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void DrawPathPDF(vtkPath* path, double rasterPos[3], double windowPos[2], unsigned char rgba[4],
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double scale[2], double rotateAngle, float strokeWidth, const std::string& label);
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void DrawPathSVG(vtkPath* path, double rasterPos[3], double windowPos[2], unsigned char rgba[4],
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double scale[2], double rotateAngle, float strokeWidth, const std::string& label);
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private:
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vtkOpenGLGL2PSHelperImpl(const vtkOpenGLGL2PSHelperImpl&) = delete;
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void operator=(const vtkOpenGLGL2PSHelperImpl&) = delete;
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};
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#endif // vtkOpenGLGL2PSHelperImpl_h
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