Lua:Class:Picture

Picture class: (Inheritence: Object)

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Description

Container for the Graphic class.

Creation

createPicture() : Picture

Returns an empty picture object.

Properties

Graphic

PNG

Bitmap

Jpeg

Icon

Methods

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

-- 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

• Lua
• Script engine

Related Functions

• createPicture
• createBitmap

Related Classes

• Bitmap
• Graphic
• Icon
• Image
• JpegImage
• PortableNetworkGraphic
• RasterImage