jpeg_writer.cpp File Reference

Implementation of the claw::graphic::jpeg::writer class. More...

#include <claw/jpeg.hpp>
#include <claw/jpeg_error_manager.hpp>
#include <claw/exception.hpp>
#include <claw/assert.hpp>

Go to the source code of this file.

Functions
	claw__graphic__jpeg__destination_manager__init_destination (j_compress_ptr cinfo)
	Initialize the output stream.
	claw__graphic__jpeg__destination_manager__empty_output_buffer (j_compress_ptr cinfo)
	Write the content of the buffer in the file.
	claw__graphic__jpeg__destination_manager__term_destination (j_compress_ptr cinfo)
	Write the last pending bytes in the file.

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Detailed Description

Implementation of the claw::graphic::jpeg::writer class.

Author:

Julien Jorge

Definition in file jpeg_writer.cpp.

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Function Documentation

claw__graphic__jpeg__destination_manager__empty_output_buffer

(

j_compress_ptr

cinfo

)

Write the content of the buffer in the file.

Parameters:

cinfo

Informations about the compression.

Definition at line 54 of file jpeg_writer.cpp.

References CLAW_PRECOND.

{
  claw::graphic::jpeg::writer::destination_manager* self =
    (claw::graphic::jpeg::writer::destination_manager*)cinfo->client_data;

  CLAW_PRECOND( &self->pub == cinfo->dest );

  self->flush();

  return TRUE;
} // claw__graphic__jpeg__destination_manager__empty_output_buffer()

claw__graphic__jpeg__destination_manager__init_destination

(

j_compress_ptr

cinfo

)

Initialize the output stream.

Parameters:

cinfo

Informations about the compression.

Definition at line 42 of file jpeg_writer.cpp.

{
  // nothing to do
} // claw__graphic__jpeg__destination_manager__init_destination()

claw__graphic__jpeg__destination_manager__term_destination

(

j_compress_ptr

cinfo

)

Write the last pending bytes in the file.

Parameters:

cinfo

Informations about the compression.

Definition at line 72 of file jpeg_writer.cpp.

References CLAW_PRECOND.

{
  claw::graphic::jpeg::writer::destination_manager* self =
    (claw::graphic::jpeg::writer::destination_manager*)cinfo->client_data;

  CLAW_PRECOND( &self->pub == cinfo->dest );

  self->term();
} // claw__graphic__jpeg__destination_manager__term_destination()