DxConvertPixels: Difference between revisions

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==Example==  
==Example==  
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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.)
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">
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end)
end)
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</section>


==Requirements==
==Requirements==

Revision as of 18:26, 28 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

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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