WXP::ImageMath Class Reference

This class manipulates images. More...

#include "../include/ImageMath.h"

List of all members.

Static Public Member Functions
static int	clip (Image &image, GeomBox &box, Image &new_image)
static int	remap (Image &image, Domain &domain, Image &new_image)
static int	toIndex (Image &image, int rdepth, Image &new_image)
static int	toIndex (Image &image, Image &new_image)
static int	toGray (Image &image, Image &new_image)
static int	toTrueColor (Image &image, int rdepth, Image &new_image)
static int	toTrueColor (Image &image, Image &new_image)
static int	compressColor (Image &image)
static int	merge (Image &oimg, Image &img)
static int	blank (Image &img, EarthPoint &ept1, EarthPoint &ept2)
static int	blank (Image &img, float angle)
static int	maskLesser (Image &oimg, Image &img, Grid &grid)
static int	maskGreater (Image &oimg, Image &img, Grid &grid)

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Detailed Description

This class manipulates images.

Author:

Dan Vietor

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Member Function Documentation

int ImageMath::blank	(	Image &	img,
		EarthPoint &	ept1,
		EarthPoint &	ept2
	)			[static]

Blanks area of image outside of lat lon range

Parameters:

	img	Base image
	ept1	Upper left corner
	ept2	Lower right corner

References WXP::EarthPoint::lat, WXP::EarthPoint::lon, WXP::GridPoint::set(), WXP::Image::setPixel(), and WXP::Image::tran().

int ImageMath::clip	(	Image &	image,
		GeomBox &	box,
		Image &	new_image
	)			[static]

Clips an image

Parameters:

	image	Input image to clip
	box	Box to clip to

Return values:

new_image

Output image

References WXP::Image::allocData(), WXP::DomainVal::clat, WXP::DomainVal::clon, WXP::Image::getPixel(), WXP::EarthPoint::lat, WXP::EarthPoint::lon, WXP::DomainVal::nx, WXP::DomainVal::ny, WXP::GridPoint::set(), WXP::Image::setPixel(), and WXP::Image::tran().

Referenced by WXP::ImagePlot::drawImage().

int ImageMath::maskGreater	(	Image &	oimg,
		Image &	img,
		Grid &	grid
	)			[static]

Masks the image if the values are greater than the values in the grid

Parameters:

	oimg	Output image
	img	Image to change
	grid	Grid to use as a mask

References WXP::Grid::getValue(), WXP::Const::MISS, WXP::GridPoint::set(), WXP::Image::setPixel(), and WXP::Image::tran().

int ImageMath::maskLesser	(	Image &	oimg,
		Image &	img,
		Grid &	grid
	)			[static]

Masks the image if the values are less than the values in the grid

Parameters:

	oimg	Output image
	img	Image to change
	grid	Grid to use as a mask

References WXP::Grid::getValue(), WXP::Const::MISS, WXP::GridPoint::set(), WXP::Image::setPixel(), and WXP::Image::tran().

int ImageMath::merge	(	Image &	bimg,
		Image &	img
	)			[static]

Merges the two image

Parameters:

	bimg	Base image
	img	Image to merge

References WXP::Domain::getDx(), WXP::Domain::getDy(), WXP::Image::getLimits(), WXP::Domain::getNx(), WXP::Domain::getNy(), WXP::Image::getPixel(), WXP::Image::setPixel(), WXP::Image::tran(), WXP::Point::x, and WXP::Point::y.

int ImageMath::remap	(	Image &	image,
		Domain &	new_domain,
		Image &	new_image
	)			[static]

Remaps an image to a new domain

Parameters:

	image	Input image to remap
	new_domain	New domain to map image into

Return values:

new_image

Output image

References WXP::Image::allocData(), WXP::DomainVal::dx, WXP::DomainVal::dy, WXP::Domain::get(), WXP::Image::getLimits(), WXP::Image::getPixel(), WXP::Domain::getProj(), WXP::Const::MISS, WXP::DomainVal::nx, WXP::DomainVal::ny, WXP::Image::setPixel(), WXP::Image::tran(), WXP::Point::x, and WXP::Point::y.

Referenced by WXP::ImagePlot::drawImage().

int ImageMath::toGray	(	Image &	image,
		Image &	new_image
	)			[static]

Converts an image from direct color to gray scale

Parameters:

image

Input direct color image

Return values:

new_image

Output image

References WXP::Image::allocColors(), WXP::Image::allocData(), WXP::ImageColor::b, WXP::RGB::blu, WXP::ImageColor::g, WXP::RGB::grn, WXP::Image::init(), WXP::ImageColor::r, WXP::RGB::red, and WXP::Image::setPixel().

int ImageMath::toIndex	(	Image &	image,
		int	rdepth,
		Image &	new_image
	)			[static]

Converts an image from direct color to index color

Parameters:

	image	Input direct color image
	rdepth	New depth

Return values:

new_image

Output image

References WXP::Image::allocColors(), WXP::Image::allocData(), WXP::ImageColor::b, WXP::RGB::blu, WXP::ImageColor::g, WXP::RGB::grn, WXP::Image::init(), WXP::ImageColor::r, WXP::RGB::red, and WXP::Image::setPixel().

Referenced by WXP::PngFile::write(), and WXP::GifFile::write().

int ImageMath::toTrueColor	(	Image &	image,
		int	rdepth,
		Image &	new_image
	)			[static]

Converts an image from index color to direct color

Parameters:

	image	Input index color image
	rdepth	New depth

Return values:

new_image

Output image

References WXP::Image::allocData(), WXP::ImageColor::b, WXP::ImageColor::g, WXP::Image::getPixel(), WXP::Image::getVal(), WXP::Image::init(), WXP::ImageColor::r, and WXP::Image::setPixel().

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

• ImageMath.h
• ImageMath.cc