Programming Web Graphics with Perl and GNU Softwar

Image Information and Management

Table C-8. Procedures for Getting Information About an Image, Creating and Deleting Images, and Managing Drawables

Name	Description	Arguments
gimp_display_delete	Delete the specified display	display (Display) The display
gimp_display_new	Creates a new display for the specified image	image (Image) The image Returns: display (Display) The new display
gimp_displays_flush	Flush all internal changes to the user interface
gimp_drawable_bytes	Returns the bytes per pixel	drawable (Drawable) The drawable Returns: bytes (Integer) Bytes per pixel
gimp_drawable_channel	Returns whether the drawable is a channel	drawable (Drawable) The drawable Returns: channel (Integer) Non-zero if the drawable is a channel
gimp_drawable_color	Returns whether the drawable is an RGB based type	drawable (Drawable) The drawable Returns: color (Integer) Non-zero if the drawable is an RGB type
gimp_drawable_fill	Fill the drawable with the specified fill mode	drawable (Drawable) The drawable fill_type (Integer) Type of fill (BG_IMAGE_FILL, WHITE_IMAGE_FILL, TRANS_IMAGE_FILL)
gimp_drawable_get_pixel	Gets the value of the pixel at the specified coordinates	drawable (Drawable) The drawable x coordinate (Integer) The x coordinate y coordinate (Integer) The y coordinate Returns: num_channels (Integer) The number of channels for the pixel pixel (IntArray) The pixel value
gimp_drawable_gray	Returns whether the drawable is an grayscale type	drawable (