Difference between revisions of "Image"
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Yvonne.milne (Talk | contribs) (→Description) |
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|valign="top"|Boolean | |valign="top"|Boolean | ||
|Whether image will scale its contents to fill all available space.<br>0 = do not scale/stretch, <>0 = scale/stretch. | |Whether image will scale its contents to fill all available space.<br>0 = do not scale/stretch, <>0 = scale/stretch. | ||
| + | |- | ||
| + | |valign="top"|Maintainaspectratio | ||
| + | |valign="top"|RW | ||
| + | |valign="top"|Boolean | ||
| + | |Whether image will be scaled maintaining its aspect ratio. From v5.4.<br>Note: if setting to .T., this should be set before setting the Picture property. | ||
|- | |- | ||
|} | |} | ||
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|valign="top"|Draw | |valign="top"|Draw | ||
|valign="top"|name as Character | operation as Character<br>[, operation as Character [, arguments as Character]] | |valign="top"|name as Character | operation as Character<br>[, operation as Character [, arguments as Character]] | ||
| − | |valign="top"|Draw operations include the following: brush, clear, | + | |valign="top"|Draw operations include the following: brush, clear, ellipse, fill, font, image, lineto, moveto, pen, point, rectangle, redraw, restore, save.<br>See [[Understanding Drawables]] and the ''Drawable Image App'' (example_drawable) included in the Lianja App Builder distribution for an example. |
|- | |- | ||
|valign="top"|Zoom | |valign="top"|Zoom | ||
Latest revision as of 06:09, 29 September 2020
Note: property, method and event names should be referred to in lowercase in case-sensitive scripting languages.
Contents
Description
Shown below in a standalone Form. Click the image to see in a Custom Section in a Lianja Page.
Image is a control for displaying images.
Properties
This class supports the Common Properties plus the following:
| Property | Access (R/RW) | Value | Description |
|---|---|---|---|
| Closable | RW | Boolean | Whether image should be closable |
| HeightForWidth | RW | Boolean | Whether height of image should be based on width |
| MouseX | RW | Numeric | Mouse X position. |
| MouseY | RW | Numeric | Mouse Y position. |
| Picture | RW | Character | Filename of image displayed |
| Stretch | RW | Boolean | Whether image will scale its contents to fill all available space. 0 = do not scale/stretch, <>0 = scale/stretch. |
| Maintainaspectratio | RW | Boolean | Whether image will be scaled maintaining its aspect ratio. From v5.4. Note: if setting to .T., this should be set before setting the Picture property. |
Methods
This class supports the Common Methods plus the following:
| Method | Args | Description |
|---|---|---|
| Draw | name as Character | operation as Character [, operation as Character [, arguments as Character]] |
Draw operations include the following: brush, clear, ellipse, fill, font, image, lineto, moveto, pen, point, rectangle, redraw, restore, save. See Understanding Drawables and the Drawable Image App (example_drawable) included in the Lianja App Builder distribution for an example. |
| Zoom | width as Numeric, height as Numeric, closable as Boolean | Zoom the image to the specified size and with specified Closable setting |
Events
This class supports the Common Events plus the following:
| Event | Args | Description |
|---|
