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image_info.hpp
Go to the documentation of this file.
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/*
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* Copyright (C) 2007,2008 Alex Shulgin
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*
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* This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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* software; the exact copying conditions are as follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PNGPP_IMAGE_INFO_HPP_INCLUDED
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#define PNGPP_IMAGE_INFO_HPP_INCLUDED
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#include "
types.hpp
"
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#include "
palette.hpp
"
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#include "
tRNS.hpp
"
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#include "
pixel_traits.hpp
"
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namespace
png
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{
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class
image_info
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{
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public
:
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image_info
()
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:
m_width
(0),
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m_height
(0),
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m_bit_depth
(0),
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m_color_type
(
color_type_none
),
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m_interlace_type
(
interlace_none
),
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m_compression_type
(
compression_type_default
),
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m_filter_type
(
filter_type_default
)
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{
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}
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size_t
get_width
()
const
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{
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return
m_width
;
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}
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void
set_width
(
size_t
width)
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{
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m_width
= width;
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}
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size_t
get_height
()
const
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{
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return
m_height
;
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}
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void
set_height
(
size_t
height)
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{
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m_height
= height;
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}
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color_type
get_color_type
()
const
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{
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return
m_color_type
;
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}
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void
set_color_type
(
color_type
color_space)
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{
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m_color_type
= color_space;
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}
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size_t
get_bit_depth
()
const
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{
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return
m_bit_depth
;
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}
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void
set_bit_depth
(
size_t
bit_depth)
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{
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m_bit_depth
= bit_depth;
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}
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interlace_type
get_interlace_type
()
const
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{
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return
m_interlace_type
;
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}
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void
set_interlace_type
(
interlace_type
interlace)
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{
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m_interlace_type
= interlace;
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}
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compression_type
get_compression_type
()
const
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{
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return
m_compression_type
;
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}
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void
set_compression_type
(
compression_type
compression)
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{
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m_compression_type
= compression;
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}
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filter_type
get_filter_type
()
const
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{
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return
m_filter_type
;
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}
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void
set_filter_type
(
filter_type
filter)
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{
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m_filter_type
= filter;
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}
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palette
const
&
get_palette
()
const
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{
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return
m_palette
;
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}
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palette
&
get_palette
()
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{
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return
m_palette
;
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}
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void
set_palette
(
palette
const
& plte)
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{
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m_palette
= plte;
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}
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void
drop_palette
()
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{
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m_palette
.clear();
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}
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tRNS
const
&
get_tRNS
()
const
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{
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return
m_tRNS
;
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}
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tRNS
&
get_tRNS
()
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{
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return
m_tRNS
;
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}
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void
set_tRNS
(
tRNS
const
& trns)
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{
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m_tRNS
= trns;
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}
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protected
:
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uint_32
m_width
;
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uint_32
m_height
;
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size_t
m_bit_depth
;
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color_type
m_color_type
;
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interlace_type
m_interlace_type
;
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compression_type
m_compression_type
;
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filter_type
m_filter_type
;
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palette
m_palette
;
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tRNS
m_tRNS
;
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};
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template
<
typename
pixel >
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image_info
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make_image_info
()
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{
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typedef
pixel_traits< pixel > traits;
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image_info
info
;
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info.
set_color_type
(traits::get_color_type());
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info.
set_bit_depth
(traits::get_bit_depth());
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return
info;
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}
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}
// namespace png
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#endif // PNGPP_IMAGE_INFO_HPP_INCLUDED
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