rotateangle, rotatebgcolor. Rotate an image with a given angle in degree and using a background color for the uncovered zone after the rotation. The background color is an hexadecimal with 3 or 6 digits (#rgb or #rrggbb), a RGB color (r,g,b) or a color name of these:
aqua = #00ffff = #0ff = 0,255,255
black = #000000 = #000 = 0,0,0
blue = #0000ff = #00f = 0,0,255
fuchsia = #ff00ff = #f0f = 255,0,255
gray = #808080 = 128,128,128
green = #008000 = 0,128,0
lime = #00ff00 = #0f0 = 0,255,0
maroon = #800000 = 128,0,0
navy = #000080 = 0,0,128
olive = #808000 = 128,128,0
orange = #ffa500 = 255,165,0
purple = #800080 = 128,0,128
red = #ff0000 = #f00 = 255,0,0
silver = #c0c0c0 = 192,192,192
teal = #008080 = 0,128,128
white = #ffffff = #fff = 255,255,255
yellow = #ffff00 = #ff0 = 255,255,0
If the color does not exist in the image and can not be added, is used the closest color. Default value is 0 (rotateangle) and black (rotatebgcolor). Values without quotes.