/usr/include/vtk-7.1/vtkStringToImage.h is in libvtk7-dev 7.1.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkStringToImage.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkStringToImage
* @brief base class for classes that render supplied text
* to an image.
*
*
*
*/
#ifndef vtkStringToImage_h
#define vtkStringToImage_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"
class vtkStdString;
class vtkUnicodeString;
class vtkTextProperty;
class vtkImageData;
class vtkVector2i;
class VTKRENDERINGCORE_EXPORT vtkStringToImage : public vtkObject
{
public:
vtkTypeMacro(vtkStringToImage, vtkObject);
virtual void PrintSelf(ostream &os, vtkIndent indent);
//@{
/**
* Given a text property and a string, get the bounding box [xmin, xmax] x
* [ymin, ymax]. Note that this is the bounding box of the area
* where actual pixels will be written, given a text/pen/baseline location
* of (0,0).
* For example, if the string starts with a 'space', or depending on the
* orientation, you can end up with a [-20, -10] x [5, 10] bbox (the math
* to get the real bbox is straightforward).
* Return 1 on success, 0 otherwise.
* You can use IsBoundingBoxValid() to test if the computed bbox
* is valid (it may not if GetBoundingBox() failed or if the string
* was empty).
*/
virtual vtkVector2i GetBounds(vtkTextProperty *property,
const vtkUnicodeString& string, int dpi) = 0;
virtual vtkVector2i GetBounds(vtkTextProperty *property,
const vtkStdString& string, int dpi) = 0;
//@}
//@{
/**
* Given a text property and a string, this function initializes the
* vtkImageData *data and renders it in a vtkImageData. textDims, if provided,
* will be overwritten by the pixel width and height of the rendered string.
* This is useful when ScaleToPowerOfTwo is true, and the image dimensions may
* not match the dimensions of the rendered text.
*/
virtual int RenderString(vtkTextProperty *property,
const vtkUnicodeString& string, int dpi,
vtkImageData *data,
int textDims[2] = NULL) = 0;
virtual int RenderString(vtkTextProperty *property,
const vtkStdString& string, int dpi,
vtkImageData *data,
int text_dims[2] = NULL) = 0;
//@}
/**
* Should we produce images at powers of 2, makes rendering on old OpenGL
* hardware easier. Default is false.
*/
virtual void SetScaleToPowerOfTwo(bool scale);
vtkGetMacro(ScaleToPowerOfTwo, bool)
protected:
vtkStringToImage();
~vtkStringToImage();
bool Antialias;
bool ScaleToPowerOfTwo;
private:
vtkStringToImage(const vtkStringToImage &) VTK_DELETE_FUNCTION;
void operator=(const vtkStringToImage &) VTK_DELETE_FUNCTION;
};
#endif //vtkStringToImage_h
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