Difference between revisions of "Lua:Class:Picture"
Jump to navigation
Jump to search
AntumDeluge (talk | contribs) (→Examples: Add example for assigning an image to a menu item) |
AntumDeluge (talk | contribs) (Update inheritence, description, & methods) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
[[Category:Lua]] | [[Category:Lua]] | ||
| − | Picture '''class''': ('''Inheritence''':) | + | Picture '''class''': ('''Inheritence''': ''[[Object]]'') |
| − | <span style="color:red; font-weight:bold; font-style:italic;">WARNING: This page | + | <span style="color:red; font-weight:bold; font-style:italic;">WARNING: This page may be unfinished.</span> |
| + | |||
| + | == Description == | ||
| + | |||
| + | Container for the Graphic class. | ||
== Creation == | == Creation == | ||
| − | ; createPicture() : Picture | + | ; createPicture() : ''Picture'' |
| − | : Returns | + | : Returns an empty picture object. |
== Properties == | == Properties == | ||
| Line 34: | Line 38: | ||
: | : | ||
| − | ; loadFromStream | + | ; loadFromStream(''stream''<nowiki>[</nowiki>, ''originalextension''<nowiki>]</nowiki>) |
| − | : | + | : Loads a picture from a stream. Note that the stream position must be set to the start of the picture. |
| − | ; assign | + | ; assign(''sourcepicture'') |
: | : | ||
| − | ; getGraphic | + | ; getGraphic() |
: | : | ||
| − | ; getPNG | + | ; getPNG() |
: | : | ||
| − | ; getBitmap | + | ; getBitmap() |
: | : | ||
| − | ; getJpeg | + | ; getJpeg() |
: | : | ||
Latest revision as of 14:41, 14 February 2019
Picture class: (Inheritence: Object)
WARNING: This page may be unfinished.
Contents
Description[edit]
Container for the Graphic class.
Creation[edit]
- createPicture() : Picture
- Returns an empty picture object.
Properties[edit]
- Graphic
- PNG
- Bitmap
- Jpeg
- Icon
Methods[edit]
- loadFromFile(filename)
- Loads an image from a local file.
- saveToFile(filename)
- loadFromStream(stream[, originalextension])
- Loads a picture from a stream. Note that the stream position must be set to the start of the picture.
- assign(sourcepicture)
- getGraphic()
- getPNG()
- getBitmap()
- getJpeg()
Examples[edit]
-- main interface
local form = createForm()
-- add icon to Form title bar
local pic = createPicture()
pic.loadFromFile("icon.png")
form.Icon = pic.getBitmap()
-- create menu bar for main interface
local menu = createMainMenu(form)
local menu_file = createMenuItem(menu)
menu_file.setCaption("File")
local mi_open = createMenuItem(menu_file)
mi_open.setCaption("Open")
-- add icon to "Open" menu item
local ico_open = createPicture()
ico_open.loadFromFile("data/bitmap/menu/open.png")
mi_open.Bitmap = ico_open.getBitmap()
