JpgWriter Class Reference

#include <JpgWriter.hh>

Inheritance diagram for JpgWriter:

Collaboration diagram for JpgWriter:

List of all members.

Public Member Functions
	JpgWriter (char const *name, Image *images[], int colors=3, int quality=90)
Protected Member Functions
virtual int	writefmt (void)
Protected Attributes
int	m_quality

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Detailed Description

A JPG image file writer. Dimensions are known from the {Image} object. Only JPG version 6 is supported.

Definition at line 22 of file JpgWriter.hh.

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Constructor & Destructor Documentation

JpgWriter::JpgWriter	(	char const *	name,
		Image *	images[],
		int	colors = 3,
		int	quality = 90
	)		[inline]

Constructor. Only calls the mother class' constructor to initialize the {ImageArray} reference and set the offset if necessary.

Parameters:

name	the file name
images	the array of greyscale images for the values
colors	the number of colors
quality	the JPEG quality

Definition at line 37 of file JpgWriter.hh.

References m_quality.

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Member Function Documentation

virtual int JpgWriter::writefmt

(

void

)

[protected, virtual]

Write a JPG image file. This is the method that does the actual work. It will be called by the {write ()} method.

Returns:

0 if successful, -1 on write error.

Implements PixmapWriter.

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Member Data Documentation

int JpgWriter::m_quality [protected]

The JPEG quality factor

Definition at line 48 of file JpgWriter.hh.

Referenced by JpgWriter().

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

• JpgWriter.hh