Image Processing

Function List

rgb

Colour rgb(Real r, Real g, Real b)
Construct and return the colour with red channel r, green channel g, and blue channel b.

rgba

Colour rgba(Real r, Real g, Real b, Real a)
Construct and return the colour with red channel r, green channel g, blue channel b, and alpha (transparency) a.

hsv

Colour hsv(Real h, Real s, Real v)
Construct and return the colour with hue h, saturation s, and value v.

hsva

Colour hsva(Real h, Real s, Real v, Real a)
Construct and return the colour with hue h, saturation s, value v, and alpha (transparency) a.

setPixels

Void setPixels(Colour c)
Introduces local variables r, g, b, a, h, s, v, x, y
Set all pixels in the image to c.

transform

Void transform(Real xPos, Real yPos)
Introduces local variables r, g, b, a, h, s, v, x, y
Set each pixel to the colour at position (xPos, yPos).

select

Void select(Mask s)
Set the active mask to s.

rectangle

Mask rectangle(Real x1, Real y1, Real x2, Real y2)
Construct and return the rectangular mask from the point (x1, y1) to (x2, y2).

region

Mask region(Real value)
Introduces local variables r, g, b, a, h, s, v, x, y
Construct and return the mask with strength value at each point.

kernel

Kernel kernel(Real k1, Real k2, Real k3, Real k4, Real k5, Real k6, Real k7, Real k8, Real k9)
Construct and return the 3x3 convolution kernel with elements k1 ... k9

convolve

Void convolve(Kernel k)
Introduces local variables r, g, b, a, h, s, v, x, y
Convolve the image using the convolution kernel k.

all

Mask all(Void)
Construct and return a mask with value 1 everywhere.

getPixel

Colour getPixel(Real xPos, Real yPos)
Returns the colour at position (xPos,yPos).

fuzzy

Mask fuzzy(Real xPos, Real yPos, Real threshold)
Construct and return the mask consisting of the contiguous region based at (xPos,yPos), with maximum colour difference threshold (using Euclidean distance).

set

Variable set(String name, Variable data)
Create the variable name with value data, or update it if it already exists, and return it's value.

if

Void if(Real condition, Sequence block)
If condition is true, evaluate block.

repeat

Void repeat(Real loops, Sequence block)
Evaluate block, loops times.

while

Void while(Real condition, Sequence block)
While condition is true, evaluate block

loadImage

Image loadImage(String filename) Load the image file filename and return it.
Supported file types: bmp, png, tga, jpg, gif, psd, hdr and pic

using

Void using(Image i)
Set the active image to i. All consequent operations will be performed on i.

crop

Image crop(Void)
Construct and return the smallest image containing only the pixels in the active mask.

blend

Void blend(Image i, Colour c)
Introduces local variables r1, g1, b1, a1, h1, s1, v1, r2, g2, b2, a2, h2, s2, v2, x, y
Set all pixels in the image to c.

combine

Mask combine(Mask a, Mask b, Real newValue)
Introduces local variables v1, v2
Construct and return the mask with value at each pixel newValue.

gauss

Kernel gauss(Real size, Real sigma)
Construct and return the Gaussian kernel with size size and sigma sigma.

min

Real min(Real expr)
Introduces local variables x, y, r, g, b, a, h, s, v
Find and return the minimum value of expr in the image.

max

Real max(Real expr)
Introduces local variables x, y, r, g, b, a, h, s, v
Find and return the maximum value of expr in the image.

print

Void print(Real value)
Print value to the console.

random

Real random(Real a, Real b)
Return a random number from the uniform distribution [a, b].

createImage

Image createImage(Real w, Real h)
Construct and return a blank image with size w by h.

function

Function function(String arg1, String arg2, ..., Sequence body)
Construct the function with arguments named arg1, arg2, ..., and with body body.

saveImage

Void saveImage(String filename)
Save the active image to the file filename. File format is inferred by the extension.

about

Void about(Variable var)
Print information about var to the console.

sin

Real sin(Real x)
Return the value of sin(x), where x is in radians.

cos

Real cos(Real x)
Return the value of cos(x), where x is in radians.

tan

Real tan(Real x)
Return the value of tan(x), where x is in radians.

for

Void for(Real from, Real to, Real step, Sequence block)
Introduces local variable c
For each value of c from from to to in steps of size step, evaluate block.

break

Void break(Void)
Break out of the current loop.

continue

Void continue(Void)
Jump to the next loop iteration.

line

Mask line(Real x1, Real y1, Real x2, Real y2)
Construct and return the mask with points on the line between (x1,y1) and (x2,y2).

import

Void import(String filename)
Load and run the script file filename.

erode

Void erode(Kernel k)
Use greyscale erosion to erode the active mask using the structuring element k.

dilate

Void dilate(Kernel k)
Use greyscale dilation to dilate the active mask using the structuring element k.

transformTo

Void transformTo(Real x, Real y)
Introduces local variables r, g, b, a, h, s, v, x, y
Send each pixel to the position (x,y).

variableExists

Real variableExists(String name)
Checks if a variable called name exists, and if it does, returns 1, otherwise returns 0.

invert

Void invert(Mask m)
Invert the mask m

mask

Mask mask(Void)
Return the active mask

image

Image image(Void)
Return the active image

array

Array array(Variable e1, ..., Variable en)
Construct and return an array with elements e1 up to en

flatten

Void flatten(Void)
Flatten an image with transparency to a opaque image

Name		Name	Last commit message	Last commit date
Latest commit History 313 Commits
examples		examples
.gitattributes		.gitattributes
.gitignore		.gitignore
Array.cpp		Array.cpp
Array.h		Array.h
ArrayVariableExpression.cpp		ArrayVariableExpression.cpp
ArrayVariableExpression.h		ArrayVariableExpression.h
BinaryOperatorExpression.cpp		BinaryOperatorExpression.cpp
BinaryOperatorExpression.h		BinaryOperatorExpression.h
Colour.cpp		Colour.cpp
Colour.h		Colour.h
ControlException.cpp		ControlException.cpp
ControlException.h		ControlException.h
EndSequenceExpression.cpp		EndSequenceExpression.cpp
EndSequenceExpression.h		EndSequenceExpression.h
Exception.cpp		Exception.cpp
Exception.h		Exception.h
Expression.cpp		Expression.cpp
Expression.h		Expression.h
Function.cpp		Function.cpp
Function.h		Function.h
FunctionCallExpression.cpp		FunctionCallExpression.cpp
FunctionCallExpression.h		FunctionCallExpression.h
ImageModifierExpression.cpp		ImageModifierExpression.cpp
ImageModifierExpression.h		ImageModifierExpression.h
ImageObject.cpp		ImageObject.cpp
ImageObject.h		ImageObject.h
ImageStore.cpp		ImageStore.cpp
ImageStore.h		ImageStore.h
Kernel.cpp		Kernel.cpp
Kernel.h		Kernel.h
Mask.cpp		Mask.cpp
Mask.h		Mask.h
Parser.cpp		Parser.cpp
Parser.h		Parser.h
PropertyAccessorExpression.cpp		PropertyAccessorExpression.cpp
PropertyAccessorExpression.h		PropertyAccessorExpression.h
ReadMe.md		ReadMe.md
Real.cpp		Real.cpp
Real.h		Real.h
Resource.cpp		Resource.cpp
Resource.h		Resource.h
ResourcePropertyHelper.h		ResourcePropertyHelper.h
SequenceExpression.cpp		SequenceExpression.cpp
SequenceExpression.h		SequenceExpression.h
TerminalExpression.cpp		TerminalExpression.cpp
TerminalExpression.h		TerminalExpression.h
UnaryFunctionExpression.cpp		UnaryFunctionExpression.cpp
UnaryFunctionExpression.h		UnaryFunctionExpression.h
Variable.cpp		Variable.cpp
Variable.h		Variable.h
VariableStore.cpp		VariableStore.cpp
VariableStore.h		VariableStore.h
aboutExpression.cpp		aboutExpression.cpp
aboutExpression.h		aboutExpression.h
allExpression.cpp		allExpression.cpp
allExpression.h		allExpression.h
arrayExpression.cpp		arrayExpression.cpp
arrayExpression.h		arrayExpression.h
blendExpression.cpp		blendExpression.cpp
blendExpression.h		blendExpression.h
breakExpression.cpp		breakExpression.cpp
breakExpression.h		breakExpression.h
combineExpression.cpp		combineExpression.cpp
combineExpression.h		combineExpression.h
continueExpression.cpp		continueExpression.cpp
continueExpression.h		continueExpression.h
convolveExpression.cpp		convolveExpression.cpp
convolveExpression.h		convolveExpression.h
core.cpp		core.cpp
core.h		core.h
createImageExpression.cpp		createImageExpression.cpp
createImageExpression.h		createImageExpression.h
cropExpression.cpp		cropExpression.cpp
cropExpression.h		cropExpression.h
dilateExpression.cpp		dilateExpression.cpp
dilateExpression.h		dilateExpression.h
elseExpression.cpp		elseExpression.cpp
elseExpression.h		elseExpression.h
erodeExpression.cpp		erodeExpression.cpp
erodeExpression.h		erodeExpression.h
flattenExpression.cpp		flattenExpression.cpp
flattenExpression.h		flattenExpression.h
forExpression.cpp		forExpression.cpp
forExpression.h		forExpression.h
functionExpression.cpp		functionExpression.cpp
functionExpression.h		functionExpression.h
fuzzyExpression.cpp		fuzzyExpression.cpp
fuzzyExpression.h		fuzzyExpression.h
gaussExpression.cpp		gaussExpression.cpp
gaussExpression.h		gaussExpression.h
getPixelExpression.cpp		getPixelExpression.cpp
getPixelExpression.h		getPixelExpression.h
hsvExpression.cpp		hsvExpression.cpp
hsvExpression.h		hsvExpression.h
hsvaExpression.cpp		hsvaExpression.cpp
hsvaExpression.h		hsvaExpression.h
ifExpression.cpp		ifExpression.cpp
ifExpression.h		ifExpression.h
imageExpression.cpp		imageExpression.cpp

KalahariKanga/ooImages

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