Color

As was mentioned in other guides, the color tools can be used to generate a color that can be assigned to style elements in a document.

• Specify a color using its red, green, and blue value
  • elementName.Style.ForegroundColor = color.rgb(10,10,10);
• Specify a color using its red, green, blue, alpha
  • elementName.Style.BackgroundColor = color.rgba(10,10,10,10);
• Specify a color using its X11 color name
  • elementName.Style.ForegroundColor = color.lightSlateGray; 

Constructors 

• Create a vector from a one-dimensional Lua table
  • d = colors({color.blue, color.red, color.rgb(50, 50, 20)});
• Create a vector using a delegate to initialize the elements
  • d = colors(3, function (i) return color.rgb(64 * i, 0, 0); end);
• Create a vector with all elements initialized to the given value
  • d = colors(3, color.blue);
• Create a vector with all elements initialized to transparent
  • d = colors(3);
• Create a dense vector from a one-dimensional Lua table
  • d = colors.dense({color.blue, color.magenta, color.green});
• Create a dense vector using a delegate to initialize the elements
  • d = colors.dense(3, function (i) return color.rgb(64*i, 0, 20); end);
• Create a dense vector with all elements initialized to the given value
  • d = colors.dense(3, color.blue);
• Create a dense vector with all elements initialized to zero
  • d = colors.dense(3);

Subvectors

• Return the color subvector starting at the specified index
  • v = d:subvector(3)
• Return the color subvector starting at the specified index and having the given length
  • v = d:subvector(3, 2)

Miscellaneous

• Return number of color vector elements
  • n = d.count
• Return the red component of a color
  • n = color.redComponent(d)
• Return the green component of a color
  • n = color.greenComponent(d)
• Return the blue component of a color 
  • n = color.blueComponent(d)
• Return the alpha component of a color
  • n = color.alphaComponent(d)
• Set the value at the specified index
  • d:at(1, color.blue)
• Clone a color vector
  • v = d:clone()

Indexing

• local n = colorVectorName[1];
• ans = myColorVector.at(1);