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    定義済み定数

    以下の定数が定義されています。 この関数の拡張モジュールが PHP 組み込みでコンパイルされているか、 実行時に動的にロードされている場合のみ使用可能です。

    Colortype constants
    Gmagick::COLOR_BLACK (int)
    Black
    Gmagick::COLOR_BLUE (int)
    Blue
    Gmagick::COLOR_CYAN (int)
    Cyan
    Gmagick::COLOR_GREEN (int)
    Green
    Gmagick::COLOR_RED (int)
    Red
    Gmagick::COLOR_YELLOW (int)
    Yellow
    Gmagick::COLOR_MAGENTA (int)
    Magenta
    Gmagick::COLOR_OPACITY (int)
    Opacity
    Gmagick::COLOR_ALPHA (int)
    Alpha
    Gmagick::COLOR_FUZZ (int)
    Fuzz
    Composite Operator Constants
    Gmagick::COMPOSITE_DEFAULT (int)
    The default composite operator
    Gmagick::COMPOSITE_UNDEFINED (int)
    Undefined composite operator
    Gmagick::COMPOSITE_NO (int)
    No composite operator defined
    Gmagick::COMPOSITE_ADD (int)
    The result of image + image
    Gmagick::COMPOSITE_ATOP (int)
    The result is the same shape as image, with composite image obscuring image where the image shapes overlap
    Gmagick::COMPOSITE_BLEND (int)
    Blends the image
    Gmagick::COMPOSITE_BUMPMAP (int)
    The same as COMPOSITE_MULTIPLY, except the source is converted to grayscale first.
    Gmagick::COMPOSITE_CLEAR (int)
    Makes the target image transparent
    Gmagick::COMPOSITE_COLORBURN (int)
    Darkens the destination image to reflect the source image
    Gmagick::COMPOSITE_COLORDODGE (int)
    Brightens the destination image to reflect the source image
    Gmagick::COMPOSITE_COLORIZE (int)
    Colorizes the target image using the composite image
    Gmagick::COMPOSITE_COPYBLACK (int)
    Copies black from the source to target
    Gmagick::COMPOSITE_COPYBLUE (int)
    Copies blue from the source to target
    Gmagick::COMPOSITE_COPY (int)
    Copies the source image on the target image
    Gmagick::COMPOSITE_COPYCYAN (int)
    Copies cyan from the source to target
    Gmagick::COMPOSITE_COPYGREEN (int)
    Copies green from the source to target
    Gmagick::COMPOSITE_COPYMAGENTA (int)
    Copies magenta from the source to target
    Gmagick::COMPOSITE_COPYOPACITY (int)
    Copies opacity from the source to target
    Gmagick::COMPOSITE_COPYRED (int)
    Copies red from the source to target
    Gmagick::COMPOSITE_COPYYELLOW (int)
    Copies yellow from the source to target
    Gmagick::COMPOSITE_DARKEN (int)
    Darkens the target image
    Gmagick::COMPOSITE_DSTATOP (int)
    The part of the destination lying inside of the source is composited over the source and replaces the destination
    Gmagick::COMPOSITE_DST (int)
    The target is left untouched
    Gmagick::COMPOSITE_DSTIN (int)
    The parts inside the source replace the target
    Gmagick::COMPOSITE_DSTOUT (int)
    The parts outside the source replace the target
    Gmagick::COMPOSITE_DSTOVER (int)
    Target replaces the source
    Gmagick::COMPOSITE_DIFFERENCE (int)
    Subtracts the darker of the two constituent colors from the lighter
    Gmagick::COMPOSITE_DISPLACE (int)
    Shifts target image pixels as defined by the source
    Gmagick::COMPOSITE_DISSOLVE (int)
    Dissolves the source in to the target
    Gmagick::COMPOSITE_EXCLUSION (int)
    Produces an effect similar to that of Gmagick::COMPOSITE_DIFFERENCE, but appears as lower contrast
    Gmagick::COMPOSITE_HARDLIGHT (int)
    Multiplies or screens the colors, dependent on the source color value
    Gmagick::COMPOSITE_HUE (int)
    Modifies the hue of the target as defined by source
    Gmagick::COMPOSITE_IN (int)
    Composites source into the target
    Gmagick::COMPOSITE_LIGHTEN (int)
    Lightens the target as defined by source
    Gmagick::COMPOSITE_LUMINIZE (int)
    Luminizes the target as defined by source
    Gmagick::COMPOSITE_MINUS (int)
    Subtracts the source from the target
    Gmagick::COMPOSITE_MODULATE (int)
    Modulates the target brightness, saturation and hue as defined by source
    Gmagick::COMPOSITE_MULTIPLY (int)
    Multiplies the target to the source
    Gmagick::COMPOSITE_OUT (int)
    Composites outer parts of the source on the target
    Gmagick::COMPOSITE_OVER (int)
    Composites source over the target
    Gmagick::COMPOSITE_OVERLAY (int)
    Overlays the source on the target
    Gmagick::COMPOSITE_PLUS (int)
    Adds the source to the target
    Gmagick::COMPOSITE_REPLACE (int)
    Replaces the target with the source
    Gmagick::COMPOSITE_SATURATE (int)
    Saturates the target as defined by the source
    Gmagick::COMPOSITE_SCREEN (int)
    The source and destination are complemented and then multiplied and then replace the destination
    Gmagick::COMPOSITE_SOFTLIGHT (int)
    Darkens or lightens the colors, dependent on the source
    Gmagick::COMPOSITE_SRCATOP (int)