These functions operate on images, represented as matrices of RGB values (see PEN for more details).
IMBRIGHTNESS |
Modify brightness |
|---|---|
IMCONTRAST |
Modify contrast and brightness |
IMGAMMA |
Apply gamma correction to brightness |
IMGRAYSCALE or IMGREYSCALE |
Convert to grey scale |
IMCREPLACE |
Replace one colour with another |
IMSIZE |
Change size |
|---|---|
IMROTATE |
Rotate |
IMHFLIP |
Horizontal flip |
IMVFLIP |
Vertical flip |
IMPUSH |
Point-to-point warp |
IMXSHEAR |
Shear in x direction |
IMYSHEAR |
Shear in y direction |
IMMEDIANFILTER |
Median filter |
|---|---|
IMSATURATE |
Adjust saturation |
IMSHARPEN |
Sharpen |
IMUNSHARPEN |
Apply unsharp mask |
IMBLUR |
Blur |
IMDESPECKLE |
Despeckle |
IMGBLUR |
Gaussian blur |
IMCEQUALIZE |
Histogram equalization of individual colours |
|---|---|
IMBEQUALIZE |
Histogram equalization of brightness |
IMBSTRETCH |
Histogram stretch of brightness |
IMSSTRETCH |
Histogram stretch of saturation |
IMCSTRETCH |
Histogram stretch of individual colours |
IMLINE |
Draw line |
|---|---|
IMELLIPSE |
Draw ellipse |
IMTEXT |
Draw text |
IMSTEXT |
Draw smooth text |
IMRECTANGLE |
Draw coloured rectangle |
IMEMBOSS |
Emboss |
IMOVERLAY |
Overlay images |
IM3CONVOLUTION |
Apply 3×3 convolution filter |
|---|---|
IMMCONVOLUTION |
Apply convolution filter |
The functions are based on algorithms in the ImgSource library supplied by Smaller Animals Software, Inc. For more information, see https://smaller-animals-software-inc1.software.informer.com/