Lime::Drawables::Pixels

Initializes new Pixels from an image.

path must lead to an PNG-encoded image.

Initializes new Pixels from a string.

Iterates through every character of color_characters and every time a color character is found, it's replaced with its color.

Available color characters are:

• '1': default
• '0': black
• '9': dark gray
• '6': light gray
• 'w': white
• 'r': red
• 'g': green
• 'b': blue
• 'y': yellow
• 'm': magenta
• 'c': cyan
• 'R': light red
• 'G': light green
• 'B': light blue
• 'Y': light yellow
• 'M': light magenta
• 'C': light cyan

Comments are also allowed in the string.

Example string:

# A flower:
 RRR
RYYYR # Head
 RRR
  g
G g G
GGgGG # Stem
 GgG
  g

becomes:

Raises Error when an invalid color character is found in color_characters.

Inserts the pixels into the buffer.

Invokes the given block for each of the pixels, replacing the pixel with the pixel returned by the block. The block must return a Tuple(UInt8, UInt8, UInt8).

# Invert colors of an image:
image.map { |pixel| {255u8 - pixel.red, 255u8 - pixel.green, 255u8 - pixel.blue} }