PPM.h
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34 
35 /* Author: Ioan Sucan */
36 
37 #ifndef OMPL_UTIL_PPM_
38 #define OMPL_UTIL_PPM_
39 
40 #include <vector>
41 
42 namespace ompl
43 {
46  class PPM
47  {
48  public:
49  struct Color
50  {
51  unsigned char red, green, blue;
52 
53  // needed for Python bindings
54  bool operator==(const Color c)
55  {
56  return red == c.red && green == c.green && blue == c.blue;
57  }
58  };
59 
60  PPM() = default;
61 
62  /* \brief Load a .ppm file. Throw an exception in case of an error. */
63  PPM(const char *filename)
64  {
65  loadFile(filename);
66  }
67 
69  void loadFile(const char *filename);
70 
72  void saveFile(const char *filename);
73 
75  unsigned int getWidth() const
76  {
77  return width_;
78  }
79 
81  unsigned int getHeight() const
82  {
83  return height_;
84  }
85 
88  void setWidth(unsigned int width)
89  {
90  width_ = width;
91  }
92 
95  void setHeight(unsigned int height)
96  {
97  height_ = height;
98  }
99 
102  const std::vector<Color> &getPixels() const
103  {
104  return pixels_;
105  }
109  std::vector<Color> &getPixels()
110  {
111  return pixels_;
112  }
113 
115  const Color &getPixel(const int row, const int col) const
116  {
117  return pixels_[row * width_ + col];
118  }
119 
121  Color &getPixel(const int row, const int col)
122  {
123  return pixels_[row * width_ + col];
124  }
125 
126  private:
127  std::vector<Color> pixels_;
128  unsigned int width_{0};
129  unsigned int height_{0};
130  };
131 }
132 
133 #endif
unsigned int getHeight() const
Get the height of the loaded image.
Definition: PPM.h:145
const std::vector< Color > & getPixels() const
Get read-only access to the pixels in the image. To access a pixel at coordinate (row,...
Definition: PPM.h:166
void loadFile(const char *filename)
Load a .ppm file. Throw an exception in case of an error.
Definition: PPM.cpp:41
void setHeight(unsigned int height)
Set the height for the loaded image. This must eventually match the number of pixels,...
Definition: PPM.h:159
void setWidth(unsigned int width)
Set the width for the loaded image. This must eventually match the number of pixels,...
Definition: PPM.h:152
void saveFile(const char *filename)
Save image data to a .ppm file. Throw an exception in case of an error.
Definition: PPM.cpp:84
unsigned int getWidth() const
Get the width of the loaded image.
Definition: PPM.h:139
const Color & getPixel(const int row, const int col) const
Directly access a pixel in the image.
Definition: PPM.h:179
Main namespace. Contains everything in this library.
Definition: AppBase.h:21