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# 7.2.1 Basic Images

The following paragraphs describe the CLX functions that can be used to access all types of image objects.

image-blue-mask | image | Function

| image An image object. Returns (and with setf) changes the mask that selects the pixel subfield for blue intensity values. The mask is non-nil only for images for :direct-color or :true-color visual types. mask Type pixel or null.

image-depth | image | Function

| image An image object. Returns the depth (that is, the number of bits per pixel) for the image. depth Type card8.

image-green-mask | image | Function

| image An image object. Returns (and with setf) changes the mask that selects the pixel subfield for green intensity values. The mask is non- nil only for images for :direct-color or :true-color visual types. mask Type pixel or null.

image-height | image | Function

| image An image object. Returns the height of the image in pixels. height Type card16.

image-name | image | Function

| image An image object. Returns and (with setf) changes the name string optionally associated with the image. name Type stringable or null.

image-plist | image | Function

| image An image object. Returns and (with setf) changes the image property list. The property list is a hook for added application extensions. plist Type list.

image-red-mask | image | Function

| image An image object. Returns (and with setf) changes the mask which selects the pixel subfield for red intensity values. The mask is non-nil only for images for :direct-color or :true-color visual types. mask Type pixel or null.

image-width | image | Function

| image An image object. Returns the width of the image in pixels. width Type card16.

image-x-hot | image | Function

| image An image object. Returns and (with setf) changes the x position of the hot spot for an image used as a cursor glyph. The hot spot position is specified relative to the upper-left origin of the image. x-position Type card16 or null.

image-y-hot | image | Function

| image An image object. Returns and (with setf) changes the y position of the hot spot for an image used as a cursor glyph. The hot spot position is specified relative to the upper-left origin of the image. y-position Type card16 or null.

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