VTK
vtkMathTextFreeTypeTextRenderer.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkMathTextFreeTypeTextRenderer.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
15
31#ifndef vtkMathTextFreeTypeTextRenderer_h
32#define vtkMathTextFreeTypeTextRenderer_h
33
34#include "vtkRenderingFreeTypeModule.h" // For export macro
35#include "vtkTextRenderer.h"
36
39
40class VTKRENDERINGFREETYPE_EXPORT vtkMathTextFreeTypeTextRenderer :
41 public vtkTextRenderer
42{
43public:
45 void PrintSelf(ostream &os, vtkIndent indent);
46
48
50
53 virtual bool FreeTypeIsSupported();
54 virtual bool MathTextIsSupported();
56
57protected:
60
62
65 bool GetBoundingBoxInternal(vtkTextProperty *tprop, const vtkStdString &str,
66 int bbox[4], int dpi, int backend);
67 bool GetBoundingBoxInternal(vtkTextProperty *tprop,
68 const vtkUnicodeString &str,
69 int bbox[4], int dpi, int backend);
70 bool GetMetricsInternal(vtkTextProperty *tprop, const vtkStdString &str,
71 Metrics &metrics, int dpi, int backend);
72 bool GetMetricsInternal(vtkTextProperty *tprop, const vtkUnicodeString &str,
73 Metrics &metrics, int dpi, int backend);
74 bool RenderStringInternal(vtkTextProperty *tprop, const vtkStdString &str,
75 vtkImageData *data, int textDims[2], int dpi,
76 int backend);
77 bool RenderStringInternal(vtkTextProperty *tprop, const vtkUnicodeString &str,
78 vtkImageData *data, int textDims[2], int dpi,
79 int backend);
80 int GetConstrainedFontSizeInternal(const vtkStdString &str,
81 vtkTextProperty *tprop,
82 int targetWidth, int targetHeight, int dpi,
83 int backend);
84 int GetConstrainedFontSizeInternal(const vtkUnicodeString &str,
85 vtkTextProperty *tprop,
86 int targetWidth, int targetHeight, int dpi,
87 int backend);
88 bool StringToPathInternal(vtkTextProperty *tprop, const vtkStdString &str,
89 vtkPath *path, int dpi, int backend);
90 bool StringToPathInternal(vtkTextProperty *tprop, const vtkUnicodeString &str,
91 vtkPath *path, int dpi, int backend);
92 void SetScaleToPowerOfTwoInternal(bool scale);
94
95private:
97 void operator=(const vtkMathTextFreeTypeTextRenderer &) VTK_DELETE_FUNCTION;
98
99 vtkFreeTypeTools *FreeTypeTools;
100 vtkMathTextUtilities *MathTextUtilities;
101};
102
103#endif //vtkMathTextFreeTypeTextRenderer_h
FreeType library support.
topologically and geometrically regular array of data
Definition: vtkImageData.h:46
a simple class to control print indentation
Definition: vtkIndent.h:40
Default implementation of vtkTextRenderer.
Abstract interface to equation rendering.
concrete dataset representing a path defined by Bezier curves.
Definition: vtkPath.h:36
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:49
represent text properties.
Interface for generating images and path data from string data, using multiple backends.
String class that stores Unicode text.
@ scale
Definition: vtkX3D.h:229
@ data
Definition: vtkX3D.h:315