Difference between revisions of "ImageData:setPixel"

m
m
Line 1: Line 1:
Sets the color of a pixel.
+
Sets the color of a pixel at a specific position in the image.
  
 
Valid x and y values start at 0 and go up to image width and height minus 1.
 
Valid x and y values start at 0 and go up to image width and height minus 1.

Revision as of 02:45, 16 September 2016

Sets the color of a pixel at a specific position in the image.

Valid x and y values start at 0 and go up to image width and height minus 1.

Function

Synopsis

ImageData:setPixel( x, y, r, g, b, a )

Arguments

number x
The position of the pixel on the x-axis.
number y
The position of the pixel on the y-axis.
number r
The red component (0-255).
number g
The green component (0-255).
number b
The blue component (0-255).
number a
The alpha component (0-255).

Returns

Nothing.

Examples

Create a 32x1 pixel transparent-to-white gradient drawable image.

data = love.image.newImageData(32,1)
for i=0, 31 do   -- remember: start at 0
   data:setPixel(i, 0, 255, 255, 255, (i * 8))
end
img = love.graphics.newImage(data)

See Also


Other Languages