VTK  9.1.0
vtkTextRendererStringToImage.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkTextRendererStringToImage.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
22#ifndef vtkTextRendererStringToImage_h
23#define vtkTextRendererStringToImage_h
24
25#include "vtkRenderingFreeTypeModule.h" // For export macro
26#include "vtkStringToImage.h"
27
28class VTKRENDERINGFREETYPE_EXPORT vtkTextRendererStringToImage : public vtkStringToImage
29{
30public:
32 void PrintSelf(ostream& os, vtkIndent indent) override;
33
35
37
51 vtkTextProperty* property, const vtkUnicodeString& string, int dpi) override;
52 vtkVector2i GetBounds(vtkTextProperty* property, const vtkStdString& string, int dpi) override;
54
56
63 int RenderString(vtkTextProperty* property, const vtkUnicodeString& string, int dpi,
64 vtkImageData* data, int textDims[2] = nullptr) override;
65 int RenderString(vtkTextProperty* property, const vtkStdString& string, int dpi,
66 vtkImageData* data, int textDims[2] = nullptr) override;
68
73 void SetScaleToPowerOfTwo(bool scale) override;
74
79
80protected:
83
84 class Internals;
85 Internals* Implementation;
86
87private:
89 void operator=(const vtkTextRendererStringToImage&) = delete;
90};
91
92#endif // vtkTextRendererStringToImage_h
topologically and geometrically regular array of data
Definition: vtkImageData.h:157
a simple class to control print indentation
Definition: vtkIndent.h:113
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:105
base class for classes that render supplied text to an image.
represent text properties.
uses vtkTextRenderer to render the supplied text to an image.
vtkVector2i GetBounds(vtkTextProperty *property, const vtkUnicodeString &string, int dpi) override
Given a text property and a string, get the bounding box [xmin, xmax] x [ymin, ymax].
static vtkTextRendererStringToImage * New()
void DeepCopy(vtkTextRendererStringToImage *utility)
Make a deep copy of the supplied utility class.
vtkVector2i GetBounds(vtkTextProperty *property, const vtkStdString &string, int dpi) override
Given a text property and a string, get the bounding box [xmin, xmax] x [ymin, ymax].
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int RenderString(vtkTextProperty *property, const vtkUnicodeString &string, int dpi, vtkImageData *data, int textDims[2]=nullptr) override
Given a text property and a string, this function initializes the vtkImageData *data and renders it i...
void SetScaleToPowerOfTwo(bool scale) override
Should we produce images at powers of 2, makes rendering on old OpenGL hardware easier.
~vtkTextRendererStringToImage() override
int RenderString(vtkTextProperty *property, const vtkStdString &string, int dpi, vtkImageData *data, int textDims[2]=nullptr) override
Given a text property and a string, this function initializes the vtkImageData *data and renders it i...
String class that stores Unicode text.
Some derived classes for the different vectors commonly used.
Definition: vtkVector.h:478