Difference between revisions of "gc:drawImage"
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{{Since|3.0}} | {{Since|3.0}} | ||
| + | In 3.6, it changed to have its first argument being an image resource. More info [[Changes_in_OS_3.6#Images|here]]. | ||
== Syntax == | == Syntax == | ||
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! Parameter !! Type !! Description | ! Parameter !! Type !! Description | ||
|- | |- | ||
| − | | <u>image</u> || [[TI.Image]] || The image to display | + | | <u><center>image</center></u> || [[TI.Image]] or image resource (3.6) || The image to display |
|- | |- | ||
| − | | <u>x</u> || number || the x coordinate of the upper-left corner of the image | + | | <u><center>x</center></u> || number || the x coordinate of the upper-left corner of the image |
|- | |- | ||
| − | | <u>y</u> || number || the y coordinate of the upper-left corner of the image | + | | <u><center>y</center></u> || number || the y coordinate of the upper-left corner of the image |
|} | |} | ||
| + | |||
== Example == | == Example == | ||
<syntaxhighlight> | <syntaxhighlight> | ||
| + | -- for ApiLevel < 2.3 (OS < 3.6) : | ||
imgSRC = "\002\000\000\000\002\000\000\000\000\000\000\000\004\000\000\000\016\000\001\000\255\255\255\255\255\255\255\255" | imgSRC = "\002\000\000\000\002\000\000\000\000\000\000\000\004\000\000\000\016\000\001\000\255\255\255\255\255\255\255\255" | ||
img = image.new(imgSRC) | img = image.new(imgSRC) | ||
| − | drawImage(img, 0, 0) | + | |
| + | -- Or, for ApiLevel >= 2.3 (OS >= 3.6) : | ||
| + | img = image.new(_R.IMG.img_1) | ||
| + | |||
| + | function on.paint(gc) | ||
| + | gc:drawImage(img, 0, 0) | ||
| + | end | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 20:16, 7 May 2014
drawImage is a function that is part of gc.
This has been introduced in TI-Nspire OS 3.0 (Changes).
In 3.6, it changed to have its first argument being an image resource. More info here.
Syntax
gc:drawImage(image, x, y)
| Parameter | Type | Description |
|---|---|---|
| TI.Image or image resource (3.6) | The image to display | |
| number | the x coordinate of the upper-left corner of the image | |
| number | the y coordinate of the upper-left corner of the image |
Example
-- for ApiLevel < 2.3 (OS < 3.6) :
imgSRC = "\002\000\000\000\002\000\000\000\000\000\000\000\004\000\000\000\016\000\001\000\255\255\255\255\255\255\255\255"
img = image.new(imgSRC)
-- Or, for ApiLevel >= 2.3 (OS >= 3.6) :
img = image.new(_R.IMG.img_1)
function on.paint(gc)
gc:drawImage(img, 0, 0)
endSee also
