ImageMagick
PHP Manual

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.

Colortype constants
imagick::COLOR_BLACK (integer)
imagick::COLOR_BLUE (integer)
imagick::COLOR_CYAN (integer)
Cyan
imagick::COLOR_GREEN (integer)
Green
imagick::COLOR_RED (integer)
Red
imagick::COLOR_YELLOW (integer)
Yellow
imagick::COLOR_MAGENTA (integer)
Magenta
imagick::COLOR_OPACITY (integer)
Opacity
imagick::COLOR_ALPHA (integer)
Alpha
imagick::COLOR_FUZZ (integer)
Fuzz
Dispose type constants
imagick::DISPOSE_UNRECOGNIZED (integer)
Unrecognized
imagick::DISPOSE_UNRECOGNIZED (integer)
Unrecognized
imagick::DISPOSE_UNDEFINED (integer)
Undefined
imagick::DISPOSE_NONE (integer)
None
imagick::DISPOSE_BACKGROUND (integer)
Background
imagick::DISPOSE_PREVIOUS (integer)
Previous
Composite Operator Constants
imagick::COMPOSITE_DEFAULT (integer)
The default composite operator
imagick::COMPOSITE_UNDEFINED (integer)
Undefined composite operator
imagick::COMPOSITE_NO (integer)
No composite operator defined
imagick::COMPOSITE_ADD (integer)
The result of image + image
imagick::COMPOSITE_ATOP (integer)
The result is the same shape as image, with composite image obscuring image where the image shapes overlap
imagick::COMPOSITE_BLEND (integer)
Blends the image
imagick::COMPOSITE_BUMPMAP (integer)
The same as COMPOSITE_MULTIPLY, except the source is converted to greyscale first.
imagick::COMPOSITE_CLEAR (integer)
Makes the target image transparent
imagick::COMPOSITE_COLORBURN (integer)
Darkens the destination image to reflect the source image
imagick::COMPOSITE_COLORDODGE (integer)
Brightens the destination image to reflect the source image
imagick::COMPOSITE_COLORIZE (integer)
Colorizes the target image using the composite image
imagick::COMPOSITE_COPYBLACK (integer)
Copies black from the source to target
imagick::COMPOSITE_COPYBLUE (integer)
Copies blue from the source to target
imagick::COMPOSITE_COPY (integer)
Copies the source image on the target image
imagick::COMPOSITE_COPYCYAN (integer)
Copies cyan from the source to target
imagick::COMPOSITE_COPYGREEN (integer)
Copies green from the source to target
imagick::COMPOSITE_COPYMAGENTA (integer)
Copies magenta from the source to target
imagick::COMPOSITE_COPYOPACITY (integer)
Copies opacity from the source to target
imagick::COMPOSITE_COPYRED (integer)
Copies red from the source to target
imagick::COMPOSITE_COPYYELLOW (integer)
Copies yellow from the source to target
imagick::COMPOSITE_DARKEN (integer)
Darkens the target image
imagick::COMPOSITE_DSTATOP (integer)
The part of the destination lying inside of the source is composited over the source and replaces the destination
imagick::COMPOSITE_DST (integer)
The target is left untouched
imagick::COMPOSITE_DSTIN (integer)
The parts inside the source replace the target
imagick::COMPOSITE_DSTOUT (integer)
The parts outside the source replace the target
imagick::COMPOSITE_DSTOVER (integer)
Target replaces the source
imagick::COMPOSITE_DIFFERENCE (integer)
Subtracts the darker of the two constituent colors from the lighter
imagick::COMPOSITE_DISPLACE (integer)
Shifts target image pixels as defined by the source
imagick::COMPOSITE_DISSOLVE (integer)
Dissolves the source in to the target
imagick::COMPOSITE_EXCLUSION (integer)
Produces an effect similar to that of imagick::COMPOSITE_DIFFERENCE, but appears as lower contrast
imagick::COMPOSITE_HARDLIGHT (integer)
Multiplies or screens the colors, dependent on the source color value
imagick::COMPOSITE_HUE (integer)
Modifies the hue of the target as defined by source
imagick::COMPOSITE_IN (integer)
Composites source into the target
imagick::COMPOSITE_LIGHTEN (integer)
Lightens the target as defined by source
imagick::COMPOSITE_LUMINIZE (integer)
Luminizes the target as defined by source
imagick::COMPOSITE_MINUS (integer)
Substracts the source from the target
imagick::COMPOSITE_MODULATE (integer)
Modulates the target brightness, saturation and hue as defined by source
imagick::COMPOSITE_MULTIPLY (integer)
Multiplies the target to the source
imagick::COMPOSITE_OUT (integer)
Composites outer parts of the source on the target
imagick::COMPOSITE_OVER (integer)
Composites source over the target
imagick::COMPOSITE_OVERLAY (integer)
Overlays the source on the target
imagick::COMPOSITE_PLUS (integer)
Adds the source to the target
imagick::COMPOSITE_REPLACE (integer)
Replaces the target with the source
imagick::COMPOSITE_SATURATE (integer)
Saturates the target as defined by the source
imagick::COMPOSITE_SCREEN (integer)
The source and destination are complemented and then multiplied and then replace the destination
imagick::COMPOSITE_SOFTLIGHT (integer)
Darkens or lightens the colors, dependent on the source
imagick::COMPOSITE_SRCATOP (integer)
The part of the source lying inside of the destination is composited onto the destination
imagick::COMPOSITE_SRC (integer)
The source is copied to the destination
imagick::COMPOSITE_SRCIN (integer)
The part of the source lying inside of the destination replaces the destination
imagick::COMPOSITE_SRCOUT (integer)
The part of the source lying outside of the destination replaces the destination
imagick::COMPOSITE_SRCOVER (integer)
The source replaces the destination
imagick::COMPOSITE_SUBTRACT (integer)
Subtract the colors in the source image from the destination image
imagick::COMPOSITE_THRESHOLD (integer)
The source is composited on the target as defined by source threshold
imagick::COMPOSITE_XOR (integer)
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
Montage Mode constants
imagick::MONTAGEMODE_FRAME (integer)
imagick::MONTAGEMODE_UNFRAME (integer)
imagick::MONTAGEMODE_CONCATENATE (integer)
Style constants
imagick::STYLE_NORMAL (integer)
imagick::STYLE_ITALIC (integer)
imagick::STYLE_OBLIQUE (integer)
imagick::STYLE_ANY (integer)
Filter constants
imagick::FILTER_UNDEFINED (integer)
imagick::FILTER_POINT (integer)
imagick::FILTER_BOX (integer)
imagick::FILTER_TRIANGLE (integer)
imagick::FILTER_HERMITE (integer)
imagick::FILTER_HANNING (integer)
imagick::FILTER_HAMMING (integer)
imagick::FILTER_BLACKMAN (integer)
imagick::FILTER_GAUSSIAN (integer)
imagick::FILTER_QUADRATIC (integer)
imagick::FILTER_CUBIC (integer)
imagick::FILTER_CATROM (integer)
imagick::FILTER_MITCHELL (integer)
imagick::FILTER_LANCZOS (integer)
imagick::FILTER_BESSEL (integer)
imagick::FILTER_SINC (integer)
Image type constants
imagick::IMGTYPE_UNDEFINED (integer)
imagick::IMGTYPE_BILEVEL (integer)
imagick::IMGTYPE_GRAYSCALE (integer)
imagick::IMGTYPE_GRAYSCALEMATTE (integer)
imagick::IMGTYPE_PALETTE (integer)
imagick::IMGTYPE_PALETTEMATTE (integer)
imagick::IMGTYPE_TRUECOLOR (integer)
imagick::IMGTYPE_TRUECOLORMATTE (integer)
imagick::IMGTYPE_COLORSEPARATION (integer)
imagick::IMGTYPE_COLORSEPARATIONMATTE (integer)
imagick::IMGTYPE_OPTIMIZE (integer)
Resolution constants
imagick::RESOLUTION_UNDEFINED (integer)
imagick::RESOLUTION_PIXELSPERINCH (integer)
imagick::RESOLUTION_PIXELSPERCENTIMETER (integer)
Compression constants
imagick::COMPRESSION_UNDEFINED (integer)
imagick::COMPRESSION_NO (integer)
imagick::COMPRESSION_BZIP (integer)
imagick::COMPRESSION_FAX (integer)
imagick::COMPRESSION_GROUP4 (integer)
imagick::COMPRESSION_JPEG (integer)
imagick::COMPRESSION_JPEG2000 (integer)
imagick::COMPRESSION_LOSSLESSJPEG (integer)
imagick::COMPRESSION_LZW (integer)
imagick::COMPRESSION_RLE (integer)
imagick::COMPRESSION_ZIP (integer)
Paint constants
imagick::PAINT_POINT (integer)
imagick::PAINT_REPLACE (integer)
imagick::PAINT_FLOODFILL (integer)
imagick::PAINT_FILLTOBORDER (integer)
imagick::PAINT_RESET (integer)
Gravity constants
imagick::GRAVITY_NORTHWEST (integer)
imagick::GRAVITY_NORTH (integer)
imagick::GRAVITY_NORTHEAST (integer)
imagick::GRAVITY_WEST (integer)
imagick::GRAVITY_CENTER (integer)
imagick::GRAVITY_EAST (integer)
imagick::GRAVITY_SOUTHWEST (integer)
imagick::GRAVITY_SOUTH (integer)
imagick::GRAVITY_SOUTHEAST (integer)
Stretch constants
imagick::STRETCH_NORMAL (integer)
imagick::STRETCH_ULTRACONDENSED (integer)
imagick::STRETCH_CONDENSED (integer)
imagick::STRETCH_SEMICONDENSED (integer)
imagick::STRETCH_SEMIEXPANDED (integer)
imagick::STRETCH_EXPANDED (integer)
imagick::STRETCH_EXTRAEXPANDED (integer)
imagick::STRETCH_ULTRAEXPANDED (integer)
imagick::STRETCH_ANY (integer)
Align constants
imagick::ALIGN_UNDEFINED (integer)
imagick::ALIGN_LEFT (integer)
imagick::ALIGN_CENTER (integer)
imagick::ALIGN_RIGHT (integer)
Decoration constants
imagick::DECORATION_NO (integer)
imagick::DECORATION_UNDERLINE (integer)
imagick::DECORATION_OVERLINE (integer)
imagick::DECORATION_LINETROUGH (integer)
Noise constants
imagick::NOISE_UNIFORM (integer)
imagick::NOISE_GAUSSIAN (integer)
imagick::NOISE_MULTIPLICATIVEGAUSSIAN (integer)
imagick::NOISE_IMPULSE (integer)
imagick::NOISE_LAPLACIAN (integer)
imagick::NOISE_POISSON (integer)
Channel constants
imagick::CHANNEL_UNDEFINED (integer)
imagick::CHANNEL_RED (integer)
imagick::CHANNEL_GRAY (integer)
imagick::CHANNEL_CYAN (integer)
imagick::CHANNEL_GREEN (integer)
imagick::CHANNEL_MAGENTA (integer)
imagick::CHANNEL_BLUE (integer)
imagick::CHANNEL_YELLOW (integer)
imagick::CHANNEL_ALPHA (integer)
imagick::CHANNEL_OPACITY (integer)
imagick::CHANNEL_MATTE (integer)
imagick::CHANNEL_BLACK (integer)
imagick::CHANNEL_INDEX (integer)
imagick::CHANNEL_ALL (integer)
Metric constants
imagick::METRIC_UNDEFINED (integer)
imagick::METRIC_MEANABSOLUTEERROR (integer)
imagick::METRIC_MEANSQUAREERROR (integer)
imagick::METRIC_PEAKABSOLUTEERROR (integer)
imagick::METRIC_PEAKSIGNALTONOISERATIO (integer)
imagick::METRIC_ROOTMEANSQUAREDERROR (integer)
Pixel constants
imagick::PIXEL_CHAR (integer)
imagick::PIXEL_DOUBLE (integer)
imagick::PIXEL_FLOAT (integer)
imagick::PIXEL_INTEGER (integer)
imagick::PIXEL_LONG (integer)
imagick::PIXEL_QUANTUM (integer)
imagick::PIXEL_SHORT (integer)
Evaluate Operator constants
imagick::EVALUATE_UNDEFINED (integer)
imagick::EVALUATE_ADD (integer)
imagick::EVALUATE_AND (integer)
imagick::EVALUATE_DIVIDE (integer)
imagick::EVALUATE_LEFTSHIFT (integer)
imagick::EVALUATE_MAX (integer)
imagick::EVALUATE_MIN (integer)
imagick::EVALUATE_MULTIPLY (integer)
imagick::EVALUATE_OR (integer)
imagick::EVALUATE_RIGHTSHIFT (integer)
imagick::EVALUATE_SET (integer)
imagick::EVALUATE_SUBTRACT (integer)
imagick::EVALUATE_XOR (integer)
Colorspace constants
imagick::COLORSPACE_UNDEFINED (integer)
imagick::COLORSPACE_RGB (integer)
imagick::COLORSPACE_GRAY (integer)
imagick::COLORSPACE_TRANSPARENT (integer)
imagick::COLORSPACE_OHTA (integer)
imagick::COLORSPACE_LAB (integer)
imagick::COLORSPACE_XYZ (integer)
imagick::COLORSPACE_YCBCR (integer)
imagick::COLORSPACE_YCC (integer)
imagick::COLORSPACE_YIQ (integer)
imagick::COLORSPACE_YPBPR (integer)
imagick::COLORSPACE_YUV (integer)
imagick::COLORSPACE_CMYK (integer)
imagick::COLORSPACE_SRGB (integer)
imagick::COLORSPACE_HSB (integer)
imagick::COLORSPACE_HSL (integer)
imagick::COLORSPACE_HWB (integer)
imagick::COLORSPACE_REC601LUMA (integer)
imagick::COLORSPACE_REC709LUMA (integer)
imagick::COLORSPACE_LOG (integer)
Virtual Pixel Method constants
imagick::VIRTUALPIXELMETHOD_UNDEFINED (integer)
imagick::VIRTUALPIXELMETHOD_BACKGROUND (integer)
imagick::VIRTUALPIXELMETHOD_CONSTANT (integer)
imagick::VIRTUALPIXELMETHOD_EDGE (integer)
imagick::VIRTUALPIXELMETHOD_MIRROR (integer)
imagick::VIRTUALPIXELMETHOD_TILE (integer)
imagick::VIRTUALPIXELMETHOD_TRANSPARENT (integer)
Preview constants
imagick::PREVIEW_UNDEFINED (integer)
imagick::PREVIEW_ROTATE (integer)
imagick::PREVIEW_SHEAR (integer)
imagick::PREVIEW_ROLL (integer)
imagick::PREVIEW_HUE (integer)
imagick::PREVIEW_SATURATION (integer)
imagick::PREVIEW_BRIGHTNESS (integer)
imagick::PREVIEW_GAMMA (integer)
imagick::PREVIEW_SPIFF (integer)
imagick::PREVIEW_DULL (integer)
imagick::PREVIEW_GRAYSCALE (integer)
imagick::PREVIEW_QUANTIZE (integer)
imagick::PREVIEW_DESPECKLE (integer)
imagick::PREVIEW_REDUCENOISE (integer)
imagick::PREVIEW_ADDNOISE (integer)
imagick::PREVIEW_SHARPEN (integer)
imagick::PREVIEW_BLUR (integer)
imagick::PREVIEW_THRESHOLD (integer)
imagick::PREVIEW_EDGEDETECT (integer)
imagick::PREVIEW_SPREAD (integer)
imagick::PREVIEW_SOLARIZE (integer)
imagick::PREVIEW_SHADE (integer)
imagick::PREVIEW_RAISE (integer)
imagick::PREVIEW_SEGMENT (integer)
imagick::PREVIEW_SWIRL (integer)
imagick::PREVIEW_IMPLODE (integer)
imagick::PREVIEW_WAVE (integer)
imagick::PREVIEW_OILPAINT (integer)
imagick::PREVIEW_CHARCOALDRAWING (integer)
imagick::PREVIEW_JPEG (integer)
Rendering Intent constants
imagick::RENDERINGINTENT_UNDEFINED (integer)
imagick::RENDERINGINTENT_SATURATION (integer)
imagick::RENDERINGINTENT_PERCEPTUAL (integer)
imagick::RENDERINGINTENT_ABSOLUTE (integer)
imagick::RENDERINGINTENT_RELATIVE (integer)
Interlace constants (imagick::INTERLACE_GIF, imagick::INTERLACE_JPEG, imagick::INTERLACE_PNG are only available if Imagick is compiled against Imagemagick 6.3.5 or newer)
imagick::INTERLACE_UNDEFINED (integer)
imagick::INTERLACE_NO (integer)
imagick::INTERLACE_LINE (integer)
imagick::INTERLACE_PLANE (integer)
imagick::INTERLACE_PARTITION (integer)
imagick::INTERLACE_JPEG (integer)
imagick::INTERLACE_GIF (integer)
imagick::INTERLACE_PNG (integer)
Fillrule constants
imagick::FILLRULE_UNDEFINED (integer)
imagick::FILLRULE_EVENODD (integer)
imagick::FILLRULE_NONZERO (integer)
Pathunit constants
imagick::PATHUNITS_UNDEFINED (integer)
imagick::PATHUNITS_USERSPACE (integer)
imagick::PATHUNITS_USERSPACEONUSE (integer)
imagick::PATHUNITS_OBJECTBOUNDINGBOX (integer)
Linecap constants
imagick::LINECAP_UNDEFINED (integer)
imagick::LINECAP_BUTT (integer)
imagick::LINECAP_ROUND (integer)
imagick::LINECAP_SQUARE (integer)
Line Join constants
imagick::LINEJOIN_UNDEFINED (integer)
imagick::LINEJOIN_MITER (integer)
imagick::LINEJOIN_ROUND (integer)
imagick::LINEJOIN_BEVEL (integer)
Resourcetype constants
imagick::RESOURCETYPE_UNDEFINED (integer)
imagick::RESOURCETYPE_AREA (integer)
imagick::RESOURCETYPE_DISK (integer)
imagick::RESOURCETYPE_FILE (integer)
imagick::RESOURCETYPE_MAP (integer)
imagick::RESOURCETYPE_MEMORY (integer)
Layer Method constants (available if compiled against ImageMagick 6.3.3 or later)
imagick::LAYERMETHOD_UNDEFINED (integer)
imagick::LAYERMETHOD_COALESCE (integer)
imagick::LAYERMETHOD_COMPAREANY (integer)
imagick::LAYERMETHOD_COMPARECLEAR (integer)
imagick::LAYERMETHOD_COMPAREOVERLAY (integer)
imagick::LAYERMETHOD_DISPOSE (integer)
imagick::LAYERMETHOD_OPTIMIZE (integer)
imagick::LAYERMETHOD_OPTIMIZEIMAGE (integer)
imagick::LAYERMETHOD_OPTIMIZEPLUS (integer)
imagick::LAYERMETHOD_OPTIMIZETRANS (integer)
imagick::LAYERMETHOD_REMOVEDUPS (integer)
imagick::LAYERMETHOD_REMOVEZERO (integer)
imagick::LAYERMETHOD_COMPOSITE (integer)
Orientation constants (available if compiled against ImageMagick 6.3.4 or later)
imagick::ORIENTATION_UNDEFINED (integer)
imagick::ORIENTATION_TOPLEFT (integer)
imagick::ORIENTATION_TOPRIGHT (integer)
imagick::ORIENTATION_BOTTOMRIGHT (integer)
imagick::ORIENTATION_BOTTOMLEFT (integer)
imagick::ORIENTATION_LEFTTOP (integer)
imagick::ORIENTATION_RIGHTTOP (integer)
imagick::ORIENTATION_RIGHTBOTTOM (integer)
imagick::ORIENTATION_LEFTBOTTOM (integer)
Distortion constants (available if compiled against ImageMagick 6.3.6 or later)
imagick::DISTORTION_UNDEFINED (integer)
imagick::DISTORTION_AFFINE (integer)
imagick::DISTORTION_AFFINEPROJECTION (integer)
imagick::DISTORTION_ARC (integer)
imagick::DISTORTION_BILINEAR (integer)
imagick::DISTORTION_PERSPECTIVE (integer)
imagick::DISTORTION_PERSPECTIVEPROJECTION (integer)
imagick::DISTORTION_SCALEROTATETRANSLATE (integer)

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