claw::graphic::targa::reader::mapped_file_input_buffer< Pixel > Class Template Reference

Inheritance diagram for claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >:

List of all members.

Detailed Description

template<typename Pixel>
class claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >

The type of the input buffer associated with the file when decoding RLE files using a color palette.

Template parameters

Pixel, the type of the pixels in the input buffer.

Definition at line 246 of file targa.hpp.


Public Member Functions
	mapped_file_input_buffer (std::istream &f, const color_palette32 &p)
	Constructor.
pixel32	get_pixel ()
template<>
pixel32	get_pixel ()
Private Types
typedef Pixel	pixel_type
	The type of the pixels in the input buffer.
Private Attributes
const color_palette32 &	m_palette
	The color map of the image.

Member Typedef Documentation

template<typename Pixel>

typedef Pixel claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >::pixel_type [private]

The type of the pixels in the input buffer.

Definition at line 251 of file targa.hpp.

Constructor & Destructor Documentation

template<typename Pixel>

claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >::mapped_file_input_buffer	(	std::istream &	f,
		const color_palette32 &	p
	)			`[inline]`

Constructor.

Parameters:

	f	The file to read.
	p	The color palette.

Definition at line 64 of file targa_reader.tpp.

00065   : buffered_istream<std::istream>(f), m_palette(p)
00066 {
00067   
00068 } // targa::reader::mapped_file_input_buffer::mapped_file_input_buffer

Member Function Documentation

template<typename Pixel>

pixel32 claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >::get_pixel ( )

template<>

pixel32 claw::graphic::targa::reader::mapped_file_input_buffer< targa::pixel8 >::get_pixel ( ) [inline]

Remarks:: This method is specialized for the pixels of type claw::graphic::pixel8.

Definition at line 164 of file targa_reader.cpp.

References claw::buffered_istream< std::istream >::get_next(), claw::graphic::targa::reader::mapped_file_input_buffer< Pixel >::m_palette, claw::buffered_istream< std::istream >::read_more(), and claw::buffered_istream< std::istream >::remaining().

00165     {
00166       if ( this->remaining() < 1 )
00167         this->read_more(1);
00168       
00169       assert( this->remaining() >= 1 );
00170       
00171       unsigned char index = this->get_next();
00172 
00173       return m_palette[index];
00174     } // targa::reader::mapped_file_input_buffer::get_pixel()