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vtkFreeTypeLabelRenderStrategy.h
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkFreeTypeLabelRenderStrategy.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 vtkFreeTypeLabelRenderStrategy_h
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#define vtkFreeTypeLabelRenderStrategy_h
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#include "
vtkLabelRenderStrategy.h
"
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#include "vtkRenderingLabelModule.h"
// For export macro
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class
vtkActor2D
;
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class
vtkTextRenderer
;
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class
vtkTextMapper
;
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class
VTKRENDERINGLABEL_EXPORT
vtkFreeTypeLabelRenderStrategy
:
public
vtkLabelRenderStrategy
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{
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public
:
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void
PrintSelf
(ostream& os,
vtkIndent
indent)
override
;
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vtkTypeMacro(
vtkFreeTypeLabelRenderStrategy
,
vtkLabelRenderStrategy
);
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static
vtkFreeTypeLabelRenderStrategy
*
New
();
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bool
SupportsRotation
()
override
{
return
false
; }
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bool
SupportsBoundedSize
()
override
{
return
false
; }
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void
ComputeLabelBounds
(
vtkTextProperty
* tprop,
vtkStdString
label,
double
bds[4])
override
;
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void
RenderLabel
(
int
x[2],
vtkTextProperty
* tprop,
vtkStdString
label)
override
;
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void
ReleaseGraphicsResources
(
vtkWindow
* window)
override
;
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protected
:
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vtkFreeTypeLabelRenderStrategy
();
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~
vtkFreeTypeLabelRenderStrategy
()
override
;
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vtkTextRenderer
*
TextRenderer
;
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vtkTextMapper
*
Mapper
;
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vtkActor2D
*
Actor
;
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private
:
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vtkFreeTypeLabelRenderStrategy
(
const
vtkFreeTypeLabelRenderStrategy
&) =
delete
;
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void
operator=(
const
vtkFreeTypeLabelRenderStrategy
&) =
delete
;
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};
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#endif
vtkStdString
Wrapper around std::string to keep symbols short.
Definition:
vtkStdString.h:38
vtkLabelRenderStrategy
Superclass for label rendering implementations.
Definition:
vtkLabelRenderStrategy.h:35
vtkActor2D
a actor that draws 2D data
Definition:
vtkActor2D.h:45
vtkFreeTypeLabelRenderStrategy::TextRenderer
vtkTextRenderer * TextRenderer
Definition:
vtkFreeTypeLabelRenderStrategy.h:73
vtkTextMapper
2D text annotation
Definition:
vtkTextMapper.h:50
vtkWindow
window superclass for vtkRenderWindow
Definition:
vtkWindow.h:38
vtkFreeTypeLabelRenderStrategy::Mapper
vtkTextMapper * Mapper
Definition:
vtkFreeTypeLabelRenderStrategy.h:74
vtkFreeTypeLabelRenderStrategy
Renders labels with freetype.
Definition:
vtkFreeTypeLabelRenderStrategy.h:34
vtkFreeTypeLabelRenderStrategy::SupportsBoundedSize
bool SupportsBoundedSize() override
The free type render strategy currently does not support bounded size labels.
Definition:
vtkFreeTypeLabelRenderStrategy.h:49
vtkIndent
a simple class to control print indentation
Definition:
vtkIndent.h:39
vtkLabelRenderStrategy::ReleaseGraphicsResources
virtual void ReleaseGraphicsResources(vtkWindow *)
Release any graphics resources that are being consumed by this strategy.
Definition:
vtkLabelRenderStrategy.h:108
vtkLabelRenderStrategy::ComputeLabelBounds
virtual void ComputeLabelBounds(vtkTextProperty *tprop, vtkStdString label, double bds[4])=0
Compute the bounds of a label.
vtkLabelRenderStrategy.h
vtkTextProperty
represent text properties.
Definition:
vtkTextProperty.h:36
vtkTextRenderer
Interface for generating images and path data from string data, using multiple backends.
Definition:
vtkTextRenderer.h:78
vtkFreeTypeLabelRenderStrategy::SupportsRotation
bool SupportsRotation() override
The free type render strategy currently does not support rotation.
Definition:
vtkFreeTypeLabelRenderStrategy.h:44
vtkFreeTypeLabelRenderStrategy::Actor
vtkActor2D * Actor
Definition:
vtkFreeTypeLabelRenderStrategy.h:75
vtkLabelRenderStrategy::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkLabelRenderStrategy::RenderLabel
virtual void RenderLabel(int x[2], vtkTextProperty *tprop, vtkStdString label)=0
Render a label at a location in display coordinates.
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
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