Class jls.util.Image

This class represents an image
Defined in: Image.js.

Class Summary
Constructor Attributes Constructor Name and Description
 
jls.util.Image(width, height, colorSpace, components, orientation)
Creates an image.
Method Summary
Method Attributes Method Name and Description
 
componentMatrix(matrix, delta)
Applies a matrix on the pixel components of this image.
 
componentSwap(indexes)
Swap the per pixel components depending on the indexes provided.
 
convolve(kernel, componentStart, componentStop)
Applies kernel based convolution on this image.
 
duplicate()
Returns a duplicate of this image.
 
getBuffer()
Returns the image buffer.
 
getHeight()
Returns the image height.
 
getOrientation()
Returns the image orientation.
 
getWidth()
Returns the image width.
<static>  
jls.util.Image.readBMP(input)
Reads a BMP.
<static>  
jls.util.Image.readJPEG(input, colorSpace, gamma, scaleCalculator)
Reads a JPEG.
 
subsample(width, height)
Returns a subsample of this image.
<static>  
jls.util.Image.writeJPEG(img, output, quality)
Writes a JPEG.
Class Detail
jls.util.Image(width, height, colorSpace, components, orientation)
Creates an image.
Parameters:
{Number} width
The image width.
{Number} height
The image height.
{Number} colorSpace Optional
The color space.
{Number} components Optional
The component count per pixel.
{Number} orientation Optional
The image orientation.
Method Detail
componentMatrix(matrix, delta)
Applies a matrix on the pixel components of this image.
Parameters:
{Array} matrix
The matrix to use.
{Array} delta Optional
The delta to use.
componentSwap(indexes)
Swap the per pixel components depending on the indexes provided.
Parameters:
{Array} indexes Optional
The new indexes.
convolve(kernel, componentStart, componentStop)
Applies kernel based convolution on this image.
Parameters:
{Array} kernel
The kernel to use.
{Number} componentStart Optional
The first component to apply convolution.
{Number} componentStop Optional
The last component to apply convolution.
{jls.util.Image} duplicate()
Returns a duplicate of this image.
Returns:
{jls.util.Image} The duplicate image.
{jls.lang.Buffer} getBuffer()
Returns the image buffer.
Returns:
{jls.lang.Buffer} The image buffer.
{Number} getHeight()
Returns the image height.
Returns:
{Number} The image height.
{Number} getOrientation()
Returns the image orientation.
Returns:
{Number} The image orientation.
{Number} getWidth()
Returns the image width.
Returns:
{Number} The image width.
<static> {jls.util.Image} jls.util.Image.readBMP(input)
Reads a BMP.
Parameters:
{jls.io.FileInputStream} input
The input to read the image.
Returns:
{jls.util.Image} The image.
<static> {jls.util.Image} jls.util.Image.readJPEG(input, colorSpace, gamma, scaleCalculator)
Reads a JPEG.
Parameters:
{jls.io.FileInputStream} input
The input to read the image.
{Number} colorSpace Optional
The output color space.
{Number} gamma Optional
The gamma.
{Function} scaleCalculator Optional
A callback to calculate the scale depending on the image dimension.
Returns:
{jls.util.Image} The image.
{jls.util.Image} subsample(width, height)
Returns a subsample of this image.
Parameters:
{Number} width
The width of the subsample image.
{Number} height
The height of the subsample image.
Returns:
{jls.util.Image} The subsample image.
<static> jls.util.Image.writeJPEG(img, output, quality)
Writes a JPEG.
Parameters:
{jls.util.Image} img
The image to write.
{jls.io.FileOutputStream} output
The output to write the image.
quality
Documentation generated by JsDoc Toolkit 2.3.2 on Fri Apr 29 2011 23:07:07 GMT+0200 (CEST)