OpenJPH
Open-source implementation of JPEG2000 Part-15
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ojph::ppm_in Class Reference

#include <ojph_img_io.h>

Inheritance diagram for ojph::ppm_in:
ojph::image_in_base

Public Member Functions

 ppm_in (mem_fixed_allocator *p=NULL)
virtual ~ppm_in ()
void open (const char *filename)
void finalize_alloc ()
virtual ui32 read (const line_buf *line, ui32 comp_num)
void close ()
void set_planar (bool planar)
size get_size ()
ui32 get_width ()
ui32 get_height ()
ui32 get_max_val ()
ui32 get_num_components ()
ui32 get_bit_depth (ui32 comp_num)
bool get_is_signed (ui32 comp_num)
point get_comp_subsampling (ui32 comp_num)
Public Member Functions inherited from ojph::image_in_base
virtual ~image_in_base ()

Private Attributes

FILE * fh
const char * fname
mem_fixed_allocator * alloc_p
void * temp_buf
ui32 width
ui32 height
ui32 num_comps
ui32 max_val
ui32 max_val_num_bits
ui32 bytes_per_sample
ui32 num_ele_per_line
ui32 temp_buf_byte_size
ui32 cur_line
si64 start_of_data
bool planar
ui32 bit_depth [3]
bool is_signed [3]
point subsampling [3]

Detailed Description

Definition at line 81 of file ojph_img_io.h.

Constructor & Destructor Documentation

◆ ppm_in()

ojph::ppm_in::ppm_in ( mem_fixed_allocator * p = NULL)
inline

Definition at line 84 of file ojph_img_io.h.

References alloc_p, bit_depth, bytes_per_sample, cur_line, fh, fname, height, is_signed, max_val, max_val_num_bits, num_comps, num_ele_per_line, planar, start_of_data, subsampling, temp_buf, temp_buf_byte_size, and width.

◆ ~ppm_in()

virtual ojph::ppm_in::~ppm_in ( )
inlinevirtual

Definition at line 102 of file ojph_img_io.h.

References alloc_p, close(), and temp_buf.

Member Function Documentation

◆ close()

void ojph::ppm_in::close ( )
inlinevirtual

Reimplemented from ojph::image_in_base.

Definition at line 112 of file ojph_img_io.h.

References fh, and fname.

Referenced by open(), read(), and ~ppm_in().

◆ finalize_alloc()

void ojph::ppm_in::finalize_alloc ( )

Definition at line 326 of file ojph_img_io.cpp.

References alloc_p, bytes_per_sample, num_comps, temp_buf, and width.

◆ get_bit_depth()

ui32 ojph::ppm_in::get_bit_depth ( ui32 comp_num)
inline

Definition at line 120 of file ojph_img_io.h.

References bit_depth, fh, and num_comps.

Referenced by load_ppm(), and main().

◆ get_comp_subsampling()

point ojph::ppm_in::get_comp_subsampling ( ui32 comp_num)
inline

Definition at line 124 of file ojph_img_io.h.

References fh, num_comps, and subsampling.

Referenced by main().

◆ get_height()

ui32 ojph::ppm_in::get_height ( )
inline

Definition at line 117 of file ojph_img_io.h.

References fh, and height.

Referenced by load_ppm(), and main().

◆ get_is_signed()

bool ojph::ppm_in::get_is_signed ( ui32 comp_num)
inline

Definition at line 122 of file ojph_img_io.h.

References fh, is_signed, and num_comps.

Referenced by main().

◆ get_max_val()

ui32 ojph::ppm_in::get_max_val ( )
inline

Definition at line 118 of file ojph_img_io.h.

References fh, and max_val.

◆ get_num_components()

ui32 ojph::ppm_in::get_num_components ( )
inline

Definition at line 119 of file ojph_img_io.h.

References fh, and num_comps.

Referenced by load_ppm(), and main().

◆ get_size()

size ojph::ppm_in::get_size ( )
inline

Definition at line 115 of file ojph_img_io.h.

References fh, height, and width.

◆ get_width()

ui32 ojph::ppm_in::get_width ( )
inline

Definition at line 116 of file ojph_img_io.h.

References fh, and width.

Referenced by load_ppm(), and main().

◆ open()

void ojph::ppm_in::open ( const char * filename)

Definition at line 245 of file ojph_img_io.cpp.

References alloc_p, bit_depth, bytes_per_sample, close(), ojph::count_leading_zeros(), cur_line, ojph::eat_white_spaces(), fh, fname, height, max_val, max_val_num_bits, num_comps, num_ele_per_line, OJPH_ERROR, ojph::ojph_ftell(), start_of_data, temp_buf, temp_buf_byte_size, and width.

Referenced by load_ppm(), and main().

◆ read()

ui32 ojph::ppm_in::read ( const line_buf * line,
ui32 comp_num )
virtual

Implements ojph::image_in_base.

Definition at line 338 of file ojph_img_io.cpp.

References ojph::be2le(), bytes_per_sample, close(), cur_line, fh, fname, height, ojph::line_buf::i32, num_comps, num_ele_per_line, OJPH_ERROR, ojph::ojph_fseek(), planar, ojph::line_buf::size, start_of_data, temp_buf, temp_buf_byte_size, and width.

Referenced by load_ppm().

◆ set_planar()

void ojph::ppm_in::set_planar ( bool planar)
inline

Definition at line 113 of file ojph_img_io.h.

References planar.

Referenced by load_ppm().

Member Data Documentation

◆ alloc_p

mem_fixed_allocator* ojph::ppm_in::alloc_p
private

Definition at line 130 of file ojph_img_io.h.

Referenced by finalize_alloc(), open(), ppm_in(), and ~ppm_in().

◆ bit_depth

ui32 ojph::ppm_in::bit_depth[3]
private

Definition at line 139 of file ojph_img_io.h.

Referenced by get_bit_depth(), open(), and ppm_in().

◆ bytes_per_sample

ui32 ojph::ppm_in::bytes_per_sample
private

Definition at line 133 of file ojph_img_io.h.

Referenced by finalize_alloc(), open(), ppm_in(), and read().

◆ cur_line

ui32 ojph::ppm_in::cur_line
private

Definition at line 136 of file ojph_img_io.h.

Referenced by open(), ppm_in(), and read().

◆ fh

FILE* ojph::ppm_in::fh
private

Definition at line 128 of file ojph_img_io.h.

Referenced by close(), get_bit_depth(), get_comp_subsampling(), get_height(), get_is_signed(), get_max_val(), get_num_components(), get_size(), get_width(), open(), ppm_in(), and read().

◆ fname

const char* ojph::ppm_in::fname
private

Definition at line 129 of file ojph_img_io.h.

Referenced by close(), open(), ppm_in(), and read().

◆ height

ui32 ojph::ppm_in::height
private

Definition at line 132 of file ojph_img_io.h.

Referenced by get_height(), get_size(), open(), ppm_in(), and read().

◆ is_signed

bool ojph::ppm_in::is_signed[3]
private

Definition at line 140 of file ojph_img_io.h.

Referenced by get_is_signed(), and ppm_in().

◆ max_val

ui32 ojph::ppm_in::max_val
private

Definition at line 132 of file ojph_img_io.h.

Referenced by get_max_val(), open(), and ppm_in().

◆ max_val_num_bits

ui32 ojph::ppm_in::max_val_num_bits
private

Definition at line 132 of file ojph_img_io.h.

Referenced by open(), and ppm_in().

◆ num_comps

ui32 ojph::ppm_in::num_comps
private

Definition at line 132 of file ojph_img_io.h.

Referenced by finalize_alloc(), get_bit_depth(), get_comp_subsampling(), get_is_signed(), get_num_components(), open(), ppm_in(), and read().

◆ num_ele_per_line

ui32 ojph::ppm_in::num_ele_per_line
private

Definition at line 133 of file ojph_img_io.h.

Referenced by open(), ppm_in(), and read().

◆ planar

bool ojph::ppm_in::planar
private

Definition at line 138 of file ojph_img_io.h.

Referenced by ppm_in(), read(), and set_planar().

◆ start_of_data

si64 ojph::ppm_in::start_of_data
private

Definition at line 137 of file ojph_img_io.h.

Referenced by open(), ppm_in(), and read().

◆ subsampling

point ojph::ppm_in::subsampling[3]
private

Definition at line 141 of file ojph_img_io.h.

Referenced by get_comp_subsampling(), and ppm_in().

◆ temp_buf

void* ojph::ppm_in::temp_buf
private

Definition at line 131 of file ojph_img_io.h.

Referenced by finalize_alloc(), open(), ppm_in(), read(), and ~ppm_in().

◆ temp_buf_byte_size

ui32 ojph::ppm_in::temp_buf_byte_size
private

Definition at line 134 of file ojph_img_io.h.

Referenced by open(), ppm_in(), and read().

◆ width

ui32 ojph::ppm_in::width
private

Definition at line 132 of file ojph_img_io.h.

Referenced by finalize_alloc(), get_size(), get_width(), open(), ppm_in(), and read().

The documentation for this class was generated from the following files: