Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

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

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): The part of the source lying inside of the destination is composited onto the destination
Gmagick::COMPOSITE_SRC (int): The source is copied to the destination
Gmagick::COMPOSITE_SRCIN (int): The part of the source lying inside of the destination replaces the destination
Gmagick::COMPOSITE_SRCOUT (int): The part of the source lying outside of the destination replaces the destination
Gmagick::COMPOSITE_SRCOVER (int): The source replaces the destination
Gmagick::COMPOSITE_SUBTRACT (int): Subtract the colors in the source image from the destination image
Gmagick::COMPOSITE_THRESHOLD (int): The source is composited on the target as defined by source threshold
Gmagick::COMPOSITE_XOR (int): The part of the source that lies outside of the destination is combined with the part of the destination that lies outside of the source