/usr/include/ompl/util/PPM.h is in libompl-dev 1.2.1+ds1-1build1.
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/* Author: Ioan Sucan */
#ifndef OMPL_UTIL_PPM_
#define OMPL_UTIL_PPM_
#include <vector>
namespace ompl
{
/** \brief Load and save .ppm files - "portable pixmap format" an image file formats designed
to be easily exchanged between platforms. */
class PPM
{
public:
struct Color
{
unsigned char red, green, blue;
// needed for Python bindings
bool operator==(const Color c)
{
return red == c.red && green == c.green && blue == c.blue;
}
};
PPM();
/** \brief Load a .ppm file. Throw an exception in case of an error. */
void loadFile(const char *filename);
/** \brief Save image data to a .ppm file. Throw an exception in case of an error. */
void saveFile(const char *filename);
/** \brief Get the width of the loaded image. */
unsigned int getWidth() const
{
return width_;
}
/** \brief Get the height of the loaded image. */
unsigned int getHeight() const
{
return height_;
}
/** \brief Set the width for the loaded image. This must
eventually match the number of pixels, if saveFile() gets called. */
void setWidth(unsigned int width)
{
width_ = width;
}
/** \brief Set the height for the loaded image. This must
eventually match the number of pixels, if saveFile() gets called. */
void setHeight(unsigned int height)
{
height_ = height;
}
/** \brief Get read-only access to the pixels in the image. To access a pixel at coordinate (row,col),
use getPixels()[row * getWidth() + col]. */
const std::vector<Color> &getPixels() const
{
return pixels_;
}
/** \brief Get write access to the pixels in the image. To access a pixel at coordinate (row,col),
use getPixels()[row * getWidth() + col]. This must eventually match the width & height set
by setWidth() and setHeight(). */
std::vector<Color> &getPixels()
{
return pixels_;
}
/** \brief Directly access a pixel in the image */
const Color& getPixel(const int row, const int col) const
{
return pixels_[row * width_ + col];
}
/** \brief Directly access a pixel in the image */
Color& getPixel(const int row, const int col)
{
return pixels_[row * width_ + col];
}
private:
std::vector<Color> pixels_;
unsigned int width_;
unsigned int height_;
};
}
#endif
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