/**
 * Specifies the constant values specifying whether to extend the shading
 * beyond the starting and ending points of the axis.
 */
export declare enum PdfExtend {
    /**
     * Do not extend any point.
     */
    None = 0,
    /**
     * Extend start point.
     */
    Start = 1,
    /**
     * Extend end point.
     */
    End = 2,
    /**
     * Extend both start and end points.
     */
    Both = 3
}
/**
 * Specifies the gradient direction of the linear gradient brush.
 */
export declare enum PdfLinearGradientMode {
    /**
     * Specifies a gradient from upper right to lower left.
     */
    BackwardDiagonal = 0,
    /**
     * Specifies a gradient from upper left to lower right.
     */
    ForwardDiagonal = 1,
    /**
     * Specifies a gradient from left to right.
     */
    Horizontal = 2,
    /**
     * Specifies a gradient from top to bottom.
     */
    Vertical = 3
}
/**
 * Shading type constants.
 */
export declare enum ShadingType {
    /**
     * Function-based shading.
     */
    Function = 1,
    /**
     * Axial shading.
     */
    Axial = 2,
    /**
     * Radial shading.
     */
    Radial = 3
}
export declare enum KnownColor {
    ActiveBorder = 1,
    ActiveCaption = 2,
    ActiveCaptionText = 3,
    AppWorkspace = 4,
    Control = 5,
    ControlDark = 6,
    ControlDarkDark = 7,
    ControlLight = 8,
    ControlLightLight = 9,
    ControlText = 10,
    Desktop = 11,
    GrayText = 12,
    Highlight = 13,
    HighlightText = 14,
    HotTrack = 15,
    InactiveBorder = 16,
    InactiveCaption = 17,
    InactiveCaptionText = 18,
    Info = 19,
    InfoText = 20,
    Menu = 21,
    MenuText = 22,
    ScrollBar = 23,
    Window = 24,
    WindowFrame = 25,
    WindowText = 26,
    Transparent = 27,
    AliceBlue = 28,
    AntiqueWhite = 29,
    Aqua = 30,
    Aquamarine = 31,
    Azure = 32,
    Beige = 33,
    Bisque = 34,
    Black = 35,
    BlanchedAlmond = 36,
    Blue = 37,
    BlueViolet = 38,
    Brown = 39,
    BurlyWood = 40,
    CadetBlue = 41,
    Chartreuse = 42,
    Chocolate = 43,
    Coral = 44,
    CornflowerBlue = 45,
    Cornsilk = 46,
    Crimson = 47,
    Cyan = 48,
    DarkBlue = 49,
    DarkCyan = 50,
    DarkGoldenrod = 51,
    DarkGray = 52,
    DarkGreen = 53,
    DarkKhaki = 54,
    DarkMagenta = 55,
    DarkOliveGreen = 56,
    DarkOrange = 57,
    DarkOrchid = 58,
    DarkRed = 59,
    DarkSalmon = 60,
    DarkSeaGreen = 61,
    DarkSlateBlue = 62,
    DarkSlateGray = 63,
    DarkTurquoise = 64,
    DarkViolet = 65,
    DeepPink = 66,
    DeepSkyBlue = 67,
    DimGray = 68,
    DodgerBlue = 69,
    Firebrick = 70,
    FloralWhite = 71,
    ForestGreen = 72,
    Fuchsia = 73,
    Gainsboro = 74,
    GhostWhite = 75,
    Gold = 76,
    Goldenrod = 77,
    Gray = 78,
    Green = 79,
    GreenYellow = 80,
    Honeydew = 81,
    HotPink = 82,
    IndianRed = 83,
    Indigo = 84,
    Ivory = 85,
    Khaki = 86,
    Lavender = 87,
    LavenderBlush = 88,
    LawnGreen = 89,
    LemonChiffon = 90,
    LightBlue = 91,
    LightCoral = 92,
    LightCyan = 93,
    LightGoldenrodYellow = 94,
    LightGray = 95,
    LightGreen = 96,
    LightPink = 97,
    LightSalmon = 98,
    LightSeaGreen = 99,
    LightSkyBlue = 100,
    LightSlateGray = 101,
    LightSteelBlue = 102,
    LightYellow = 103,
    Lime = 104,
    LimeGreen = 105,
    Linen = 106,
    Magenta = 107,
    Maroon = 108,
    MediumAquamarine = 109,
    MediumBlue = 110,
    MediumOrchid = 111,
    MediumPurple = 112,
    MediumSeaGreen = 113,
    MediumSlateBlue = 114,
    MediumSpringGreen = 115,
    MediumTurquoise = 116,
    MediumVioletRed = 117,
    MidnightBlue = 118,
    MintCream = 119,
    MistyRose = 120,
    Moccasin = 121,
    NavajoWhite = 122,
    Navy = 123,
    OldLace = 124,
    Olive = 125,
    OliveDrab = 126,
    Orange = 127,
    OrangeRed = 128,
    Orchid = 129,
    PaleGoldenrod = 130,
    PaleGreen = 131,
    PaleTurquoise = 132,
    PaleVioletRed = 133,
    PapayaWhip = 134,
    PeachPuff = 135,
    Peru = 136,
    Pink = 137,
    Plum = 138,
    PowderBlue = 139,
    Purple = 140,
    Red = 141,
    RosyBrown = 142,
    RoyalBlue = 143,
    SaddleBrown = 144,
    Salmon = 145,
    SandyBrown = 146,
    SeaGreen = 147,
    SeaShell = 148,
    Sienna = 149,
    Silver = 150,
    SkyBlue = 151,
    SlateBlue = 152,
    SlateGray = 153,
    Snow = 154,
    SpringGreen = 155,
    SteelBlue = 156,
    Tan = 157,
    Teal = 158,
    Thistle = 159,
    Tomato = 160,
    Turquoise = 161,
    Violet = 162,
    Wheat = 163,
    White = 164,
    WhiteSmoke = 165,
    Yellow = 166,
    YellowGreen = 167,
    ButtonFace = 168,
    ButtonHighlight = 169,
    ButtonShadow = 170,
    GradientActiveCaption = 171,
    GradientInactiveCaption = 172,
    MenuBar = 173,
    MenuHighlight = 174
}