OGLplus (0.52.0) a C++ wrapper for OpenGL

oglplus::images::PNGImage Class Reference

Loader of images in the PNG (Portable network graphics) format. More...

#include </home/chochlik/devel/oglplus/include/oglplus/images/png.hpp>

Inheritance diagram for oglplus::images::PNGImage:
Collaboration diagram for oglplus::images::PNGImage:

Public Member Functions

 PNGImage (const char *file_path, bool y_is_up=true, bool x_is_right=true)
 Load the image from a file with the specified file_path.
 
 PNGImage (std::istream &input, bool y_is_up=true, bool x_is_right=true)
 Load the image from the specified input stream.
 
GLsizei Dimension (std::size_t i) const
 Returns the i-th dimension of the image. More...
 
GLsizei Width (void) const
 Returns the width of the image.
 
GLsizei Height (void) const
 Returns the height of the image.
 
GLsizei Depth (void) const
 Returns the depth of the image.
 
GLsizei Channels (void) const
 Returns the number of channels.
 
PixelDataType Type (void) const
 Returns the pixel data type.
 
PixelDataFormat Format (void) const
 Return the pixel data format.
 
PixelDataInternalFormat InternalFormat (void) const
 Return a suitable pixel data internal format.
 
template<typename T >
const TData (void) const
 Returns a pointer to the data.
 
const void * RawData (void) const
 Returns an untyped pointer to the data.
 
std::size_t DataSize (void) const
 Returns the size of data in bytes.
 
Vector< double, 4 > Pixel (GLsizei width, GLsizei height, GLsizei depth) const
 Returns the pixel at the specified coordinates.
 
double Component (GLsizei width, GLsizei height, GLsizei depth, GLsizei component) const
 Returns the component of the pixel at the specified coordinates.
 
template<typename T >
T ComponentAs (GLsizei width, GLsizei height, GLsizei depth, GLsizei component) const
 Returns the component of the pixel at the specified coordinates.
 

Detailed Description

Loader of images in the PNG (Portable network graphics) format.

Examples:
standalone/025_bitmap_font_text.cpp.

Member Function Documentation

GLsizei oglplus::images::Image::Dimension ( std::size_t  i) const
inherited

Returns the i-th dimension of the image.

0: Width 1: Height 2: Depth 3: Channels

References oglplus::images::Image::Channels(), oglplus::images::Image::Depth(), oglplus::images::Image::Height(), and oglplus::images::Image::Width().


The documentation for this class was generated from the following file:
  • /home/chochlik/devel/oglplus/include/oglplus/images/png.hpp

Copyright © 2010-2014 Matúš Chochlík, University of Žilina, Žilina, Slovakia.
<matus.chochlik -at- fri.uniza.sk>
<chochlik -at -gmail.com>
Documentation generated on Mon Sep 22 2014 by Doxygen (version 1.8.6).