DxConvertPixels: Difference between revisions

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==Example==  
==Example==  
<section name="Client" class="client" show="true">
The code opens an image, read its pixels, convert the pixels to PNG, and then save it. (You can use [http://i1325.photobucket.com/albums/u630/Tourmalinelisa2/128x128.jpg this] image to test.)
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
TODO
addEventHandler('onClientResourceStart', resourceRoot, function()
  local img = fileOpen('img.jpg')
  local pixels = fileRead(img, fileGetSize(img))
  local pngPixels = dxConvertPixels(pixels, 'png')
  local newImg = fileCreate('img.png')
  fileWrite(newImg, pngPixels)
  fileClose(newImg)
  fileClose(img)
end)
</syntaxhighlight>
</syntaxhighlight>
</section>


==Requirements==
==Requirements==
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==See Also==
==See Also==
{{Drawing_functions}}
{{Drawing_functions}}
[[Category:Needs Example]]

Revision as of 20:23, 27 September 2013

This function converts pixels from one format to another.

Syntax

string dxConvertPixels ( string pixels, string newFormat [, int quality = 80 ] )

Required Arguments

  • pixels : The pixels to convert the format of
  • newFormat : The new format required ('plain' or 'png' or 'jpeg')

Optional Arguments

  • quality : The quality of the returned pixels if the new format is 'jpeg'

Returns

Returns a copy of the pixels in the new format, or false if invalid arguments were passed to the function.

Example

Click to collapse [-]
Client

The code opens an image, read its pixels, convert the pixels to PNG, and then save it. (You can use this image to test.) 

addEventHandler('onClientResourceStart', resourceRoot, function()
  local img = fileOpen('img.jpg')
  local pixels = fileRead(img, fileGetSize(img))
  local pngPixels = dxConvertPixels(pixels, 'png')
  local newImg = fileCreate('img.png')
  fileWrite(newImg, pngPixels)
  fileClose(newImg)
  fileClose(img)
end)

Requirements

This template will be deleted.

See Also


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