VTK  9.3.20240327
vtkMathTextFreeTypeTextRenderer.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
3 
19 #ifndef vtkMathTextFreeTypeTextRenderer_h
20 #define vtkMathTextFreeTypeTextRenderer_h
21 
22 #include "vtkRenderingFreeTypeModule.h" // For export macro
23 #include "vtkTextRenderer.h"
24 
25 VTK_ABI_NAMESPACE_BEGIN
26 class vtkFreeTypeTools;
28 
29 class VTKRENDERINGFREETYPE_EXPORT vtkMathTextFreeTypeTextRenderer : public vtkTextRenderer
30 {
31 public:
33  void PrintSelf(ostream& os, vtkIndent indent) override;
34 
36 
38 
41  bool FreeTypeIsSupported() override;
42  bool MathTextIsSupported() override;
44 
45 protected:
48 
50 
54  vtkTextProperty* tprop, const vtkStdString& str, int bbox[4], int dpi, int backend) override;
55  bool GetMetricsInternal(vtkTextProperty* tprop, const vtkStdString& str, Metrics& metrics,
56  int dpi, int backend) override;
58  int textDims[2], int dpi, int backend) override;
60  int targetWidth, int targetHeight, int dpi, int backend) override;
62  vtkTextProperty* tprop, const vtkStdString& str, vtkPath* path, int dpi, int backend) override;
63  void SetScaleToPowerOfTwoInternal(bool scale) override;
65 
66 private:
68  void operator=(const vtkMathTextFreeTypeTextRenderer&) = delete;
69 
70  vtkFreeTypeTools* FreeTypeTools;
71  vtkMathTextUtilities* MathTextUtilities;
72 };
73 
74 VTK_ABI_NAMESPACE_END
75 #endif // vtkMathTextFreeTypeTextRenderer_h
FreeType library support.
topologically and geometrically regular array of data
Definition: vtkImageData.h:155
a simple class to control print indentation
Definition: vtkIndent.h:108
Default implementation of vtkTextRenderer.
void SetScaleToPowerOfTwoInternal(bool scale) override
Reimplemented from vtkTextRenderer.
bool RenderStringInternal(vtkTextProperty *tprop, const vtkStdString &str, vtkImageData *data, int textDims[2], int dpi, int backend) override
Reimplemented from vtkTextRenderer.
bool GetMetricsInternal(vtkTextProperty *tprop, const vtkStdString &str, Metrics &metrics, int dpi, int backend) override
Reimplemented from vtkTextRenderer.
bool GetBoundingBoxInternal(vtkTextProperty *tprop, const vtkStdString &str, int bbox[4], int dpi, int backend) override
Reimplemented from vtkTextRenderer.
int GetConstrainedFontSizeInternal(const vtkStdString &str, vtkTextProperty *tprop, int targetWidth, int targetHeight, int dpi, int backend) override
Reimplemented from vtkTextRenderer.
bool StringToPathInternal(vtkTextProperty *tprop, const vtkStdString &str, vtkPath *path, int dpi, int backend) override
Reimplemented from vtkTextRenderer.
bool FreeTypeIsSupported() override
Test for availability of various backends.
bool MathTextIsSupported() override
Test for availability of various backends.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkMathTextFreeTypeTextRenderer * New()
Abstract interface to equation rendering.
concrete dataset representing a path defined by Bezier curves.
Definition: vtkPath.h:44
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:78
represent text properties.
Interface for generating images and path data from string data, using multiple backends.
@ scale
Definition: vtkX3D.h:229
@ data
Definition: vtkX3D.h:315