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jpeg_compressor.h
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/*
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** ClanLib SDK
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** Copyright (c) 1997-2011 The ClanLib Team
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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** Note: Some of the libraries ClanLib may link to may have additional
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** requirements or restrictions.
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**
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** File Author(s):
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**
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** Magnus Norddahl
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*/
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#pragma once
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#include "../api_display.h"
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#include "../Image/pixel_buffer.h"
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#include "../../Core/Text/string_types.h"
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class
CL_IODevice
;
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class
CL_JPEGCompressor_Impl;
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class
CL_API_DISPLAY
CL_JPEGCompressor
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{
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public
:
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CL_JPEGCompressor
();
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public
:
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public
:
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enum
ColorSpace
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{
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grayscale
,
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rgb
,
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ycbcr
,
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cmyk
,
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ycck
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};
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enum
SpecialMarker
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{
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marker_rst0 = 0xD0,
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marker_eoi = 0xD9,
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marker_app0 = 0xe0,
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marker_app1 = 0xe1,
// EXIF data
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marker_app2 = 0xe2,
// FlashPix Ready data (is that a fancy word for thumbnail?)
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marker_app3 = 0xe3,
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marker_app4 = 0xe4,
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marker_app5 = 0xe5,
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marker_app6 = 0xe6,
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marker_app7 = 0xe7,
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marker_app8 = 0xe8,
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marker_app9 = 0xe9,
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marker_app10 = 0xea,
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marker_app11 = 0xeb,
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marker_app12 = 0xec,
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marker_app13 = 0xed,
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marker_app14 = 0xee,
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marker_com = 0xfe
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};
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void
set_output(
CL_IODevice
output_source);
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void
set_quality(
int
quality);
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void
set_size(
int
width,
int
height);
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void
set_color_space(ColorSpace in_color_space,
int
in_components, ColorSpace out_color_space,
int
out_components);
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void
start(
bool
raw_data =
false
);
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void
write_marker(
int
marker,
const
void
*
const
data,
int
length);
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void
write_comment_marker(
const
CL_StringRef
&comment);
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void
write_scanlines(
const
unsigned
char
**data,
unsigned
int
lines);
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void
write_raw_data(
const
unsigned
char
***data,
unsigned
int
lines);
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void
finish();
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private
:
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CL_SharedPtr<CL_JPEGCompressor_Impl> impl;
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};
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