Difference between revisions of "Lua:Class:Picture"

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(Examples: Add example for assigning an image to a menu item)
(Update inheritence, description, & methods)
 
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[[Category:Lua]]
 
[[Category:Lua]]
Picture '''class''': ('''Inheritence''':)
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Picture '''class''': ('''Inheritence''': ''[[Object]]'')
  
<span style="color:red; font-weight:bold; font-style:italic;">WARNING: This page is unfinished.</span>
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<span style="color:red; font-weight:bold; font-style:italic;">WARNING: This page may be unfinished.</span>
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== Description ==
 +
 
 +
Container for the Graphic class.
  
 
== Creation ==
 
== Creation ==
  
; createPicture() &#58; Picture
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; createPicture() &#58; ''Picture''
: Returns a newly created Picture.
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: Returns an empty picture object.
  
 
== Properties ==
 
== Properties ==
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:
 
:
  
; loadFromStream
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; loadFromStream(''stream''<nowiki>[</nowiki>, ''originalextension''<nowiki>]</nowiki>)
:
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: Loads a picture from a stream. Note that the stream position must be set to the start of the picture.
  
; assign
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; assign(''sourcepicture'')
 
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:
  
; getGraphic
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; getGraphic()
 
:
 
:
  
; getPNG
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; getPNG()
 
:
 
:
  
; getBitmap
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; getBitmap()
 
:
 
:
  
; getJpeg
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; getJpeg()
 
:
 
:
  

Latest revision as of 14:41, 14 February 2019

Picture class: (Inheritence: Object)

WARNING: This page may be unfinished.

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()

See also[edit]

Related Functions[edit]

Related Classes[edit]