Functional Problem Solving (CSC 151 2014F) : Reference

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GIMP Context

Getting Basic Context Information

(context-get-bgcolor)
MediaScheme GIMP Procedure. Returns GIMP's current background color (as an RGB color).
(context-get-brush)
MediaScheme GIMP Procedure. Get GIMP's active brush.
(context-get-fgcolor)
MediaScheme GIMP Procedure. Returns GIMP's current foreground color (as an RGB color).

Setting Basic Context Information

(context-set-bgcolor! color)
MediaScheme GIMP Procedure. Sets GIMP's current background color to color.
(context-set-brush! brush-name) , (context-set-brush! brush-name brush-size)
MediaScheme GIMP Procedure. Sets GIMP's current brush to brush-name. If the brush-size is specified, also sets the size of brush. Only works for selected brushes (typically, those that start with a number, like "2. Hardness 100").
(context-set-fgcolor! color)
MediaScheme GIMP Procedure. Sets GIMP's current foreground color to color.

Listing Values

(context-get-color-names)
MediaScheme GIMP Procedure. Get a vector of all the available color names.
(context-list-brushes)
MediaScheme GIMP Procedure. List all valid brush names.
(context-list-brushes pattern)
MediaScheme GIMP Procedure. List all the valid brush names that contain pattern.
(context-list-colors)
MediaScheme GIMP Procedure. List all valid color names.
(context-list-colors pattern)
MediaScheme GIMP Procedure. List all the valid color names that contain pattern.
(context-list-fonts)
MediaScheme GIMP Procedure. List all valid font names.
(context-list-fonts pattern)
MediaScheme GIMP Procedure. List all the available font names that contain pattern.

Miscellaneous

(context-update-displays!)
MediaScheme GIMP Procedure. Update all of the displays to show changes to images.