VTK
dox
Rendering
ContextOpenGL2
vtkOpenGLPropItem.h
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOpenGLPropItem.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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#ifndef vtkOpenGLPropItem_h
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#define vtkOpenGLPropItem_h
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#include "vtkRenderingContextOpenGL2Module.h"
// For export macro
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#include "
vtkPropItem.h
"
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#include "
vtkNew.h
"
// for vtkNew
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class
vtkCamera
;
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class
VTKRENDERINGCONTEXTOPENGL2_EXPORT
vtkOpenGLPropItem
:
public
vtkPropItem
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{
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public
:
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static
vtkOpenGLPropItem
*
New
();
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vtkTypeMacro(
vtkOpenGLPropItem
,
vtkPropItem
)
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bool
Paint
(
vtkContext2D
*painter)
override
;
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protected
:
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vtkOpenGLPropItem
();
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~
vtkOpenGLPropItem
()
override
;
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// Sync the active vtkCamera with the GL state set by the painter.
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void
UpdateTransforms
()
override
;
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// Restore the vtkCamera state.
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void
ResetTransforms
()
override
;
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private
:
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vtkNew<vtkCamera>
CameraCache;
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vtkContext2D
*Painter;
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vtkOpenGLPropItem
(
const
vtkOpenGLPropItem
&) =
delete
;
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void
operator=(
const
vtkOpenGLPropItem
&) =
delete
;
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};
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#endif //vtkOpenGLPropItem_h
vtkPropItem::Paint
bool Paint(vtkContext2D *painter) override
Paint event for the item, called whenever the item needs to be drawn.
vtkContext2D
Class for drawing 2D primitives to a graphical context.
Definition:
vtkContext2D.h:58
vtkPropItem::New
static vtkPropItem * New()
vtkCamera
a virtual camera for 3D rendering
Definition:
vtkCamera.h:50
vtkNew< vtkCamera >
vtkPropItem::UpdateTransforms
virtual void UpdateTransforms()
vtkNew.h
vtkPropItem
Embed a vtkProp in a vtkContextScene.
Definition:
vtkPropItem.h:37
vtkPropItem::ResetTransforms
virtual void ResetTransforms()
vtkPropItem.h
vtkOpenGLPropItem
Sync Context2D state with vtk camera.
Definition:
vtkOpenGLPropItem.h:36
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