NAME
Prima::Image::TransparencyControl - standard dialog for selecting transparent color when saving an image to a file.
DESCRIPTION
The module contains two classes - Prima::Image::BasicTransparencyDialog and Prima::Image::TransparencyControl. The former provides the dialog used by image codec-specific save options dialogs to select a transparent color index when saving an image to a file. Prima::Image::TransparencyControl is the widget class that displays the image palette and allows color rather than index selection.
Prima::Image::TransparencyControl
Properties
- index INTEGER
-
Selects the palette index
- image IMAGE
-
Selects the image, reads its palette, and displays it in such a manner that only a color that is found in the palette can be selected by the user.
Events
- Change
-
Triggered when the user changes the
indexproperty.
Prima::Image::BasicTransparencyDialog
Methods
- transparent BOOLEAN
-
If 1, the transparent color widgets are enabled, and the user can select the transparent color index in the image palette. If 0, the widgets are disabled; the image file is saved with no transparent color index.
The property can also be toggled interactively by a checkbox.
AUTHOR
Dmitry Karasik, <dmitry@karasik.eu.org>.