Color picker control. This is a simple color picker [Control]. It's useful for selecting a color from an RGB/RGBA colorspace. Adds the current selected to color to a list of colors (presets), the presets will be displayed in the color picker and the user will be able to select them, notice that the presets list is only for this color picker. The currently selected color. If [code]true[/code], the color will apply only after user releases mouse button, otherwise it will apply immediatly even in mouse motion event (which can cause performance issues). If [code]true[/code], shows an alpha channel slider (transparency). If [code]true[/code], allows the color R, G, B component values to go beyond 1.0, which can be used for certain special operations that require it (like tinting without darkening or rendering sprites in HDR). Emitted when the color is changed.