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
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)
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
Montage Mode constants
Gmagick::MONTAGEMODE_FRAME (int)
Gmagick::MONTAGEMODE_UNFRAME (int)
Gmagick::MONTAGEMODE_CONCATENATE (int)
Style constants
Gmagick::STYLE_NORMAL (int)
Gmagick::STYLE_ITALIC (int)
Gmagick::STYLE_OBLIQUE (int)
Gmagick::STYLE_ANY (int)
Filter constants
Gmagick::FILTER_UNDEFINED (int)
Gmagick::FILTER_POINT (int)
Gmagick::FILTER_BOX (int)
Gmagick::FILTER_TRIANGLE (int)
Gmagick::FILTER_HERMITE (int)
Gmagick::FILTER_HANNING (int)
Gmagick::FILTER_HAMMING (int)
Gmagick::FILTER_BLACKMAN (int)
Gmagick::FILTER_GAUSSIAN (int)
Gmagick::FILTER_QUADRATIC (int)
Gmagick::FILTER_CUBIC (int)
Gmagick::FILTER_CATROM (int)
Gmagick::FILTER_MITCHELL (int)
Gmagick::FILTER_LANCZOS (int)
Gmagick::FILTER_BESSEL (int)
Gmagick::FILTER_SINC (int)
Image type constants
Gmagick::IMGTYPE_UNDEFINED (int)
Gmagick::IMGTYPE_BILEVEL (int)
Gmagick::IMGTYPE_GRAYSCALE (int)
Gmagick::IMGTYPE_GRAYSCALEMATTE (int)
Gmagick::IMGTYPE_PALETTE (int)
Gmagick::IMGTYPE_PALETTEMATTE (int)
Gmagick::IMGTYPE_TRUECOLOR (int)
Gmagick::IMGTYPE_TRUECOLORMATTE (int)
Gmagick::IMGTYPE_COLORSEPARATION (int)
Gmagick::IMGTYPE_COLORSEPARATIONMATTE (int)
Gmagick::IMGTYPE_OPTIMIZE (int)
Resolution constants
Gmagick::RESOLUTION_UNDEFINED (int)
Gmagick::RESOLUTION_PIXELSPERINCH (int)
Gmagick::RESOLUTION_PIXELSPERCENTIMETER (int)
Compression constants
Gmagick::COMPRESSION_UNDEFINED (int)
Gmagick::COMPRESSION_NO (int)
Gmagick::COMPRESSION_BZIP (int)
Gmagick::COMPRESSION_FAX (int)
Gmagick::COMPRESSION_GROUP4 (int)
Gmagick::COMPRESSION_JPEG (int)
Gmagick::COMPRESSION_JPEG2000 (int)
Gmagick::COMPRESSION_LOSSLESSJPEG (int)
Gmagick::COMPRESSION_LZW (int)
Gmagick::COMPRESSION_RLE (int)
Gmagick::COMPRESSION_ZIP (int)
Paint constants
Gmagick::PAINT_POINT (int)
Gmagick::PAINT_REPLACE (int)
Gmagick::PAINT_FLOODFILL (int)
Gmagick::PAINT_FILLTOBORDER (int)
Gmagick::PAINT_RESET (int)
Gravity constants
Gmagick::GRAVITY_NORTHWEST (int)
Gmagick::GRAVITY_NORTH (int)
Gmagick::GRAVITY_NORTHEAST (int)
Gmagick::GRAVITY_WEST (int)
Gmagick::GRAVITY_CENTER (int)
Gmagick::GRAVITY_EAST (int)
Gmagick::GRAVITY_SOUTHWEST (int)
Gmagick::GRAVITY_SOUTH (int)
Gmagick::GRAVITY_SOUTHEAST (int)
Stretch constants
Gmagick::STRETCH_NORMAL (int)
Gmagick::STRETCH_ULTRACONDENSED (int)
Gmagick::STRETCH_CONDENSED (int)
Gmagick::STRETCH_SEMICONDENSED (int)
Gmagick::STRETCH_SEMIEXPANDED (int)
Gmagick::STRETCH_EXPANDED (int)
Gmagick::STRETCH_EXTRAEXPANDED (int)
Gmagick::STRETCH_ULTRAEXPANDED (int)
Gmagick::STRETCH_ANY (int)
Align constants
Gmagick::ALIGN_UNDEFINED (int)
Gmagick::ALIGN_LEFT (int)
Gmagick::ALIGN_CENTER (int)
Gmagick::ALIGN_RIGHT (int)
Decoration constants
Gmagick::DECORATION_NO (int)
Gmagick::DECORATION_UNDERLINE (int)
Gmagick::DECORATION_OVERLINE (int)
Gmagick::DECORATION_LINETROUGH (int)
Noise constants
Gmagick::NOISE_UNIFORM (int)
Gmagick::NOISE_GAUSSIAN (int)
Gmagick::NOISE_MULTIPLICATIVEGAUSSIAN (int)
Gmagick::NOISE_IMPULSE (int)
Gmagick::NOISE_LAPLACIAN (int)
Gmagick::NOISE_POISSON (int)
Channel constants
Gmagick::CHANNEL_UNDEFINED (int)
Gmagick::CHANNEL_RED (int)
Gmagick::CHANNEL_GRAY (int)
Gmagick::CHANNEL_CYAN (int)
Gmagick::CHANNEL_GREEN (int)
Gmagick::CHANNEL_MAGENTA (int)
Gmagick::CHANNEL_BLUE (int)
Gmagick::CHANNEL_YELLOW (int)
Gmagick::CHANNEL_ALPHA (int)
Gmagick::CHANNEL_OPACITY (int)
Gmagick::CHANNEL_MATTE (int)
Gmagick::CHANNEL_BLACK (int)
Gmagick::CHANNEL_INDEX (int)
Gmagick::CHANNEL_ALL (int)
Metric constants
Gmagick::METRIC_UNDEFINED (int)
Gmagick::METRIC_MEANABSOLUTEERROR (int)
Gmagick::METRIC_MEANSQUAREERROR (int)
Gmagick::METRIC_PEAKABSOLUTEERROR (int)
Gmagick::METRIC_PEAKSIGNALTONOISERATIO (int)
Gmagick::METRIC_ROOTMEANSQUAREDERROR (int)
Pixel constants
Gmagick::PIXEL_CHAR (int)
Gmagick::PIXEL_DOUBLE (int)
Gmagick::PIXEL_FLOAT (int)
Gmagick::PIXEL_INTEGER (int)
Gmagick::PIXEL_LONG (int)
Gmagick::PIXEL_QUANTUM (int)
Gmagick::PIXEL_SHORT (int)
Colorspace constants
Gmagick::COLORSPACE_UNDEFINED (int)
Gmagick::COLORSPACE_RGB (int)
Gmagick::COLORSPACE_GRAY (int)
Gmagick::COLORSPACE_TRANSPARENT (int)
Gmagick::COLORSPACE_OHTA (int)
Gmagick::COLORSPACE_LAB (int)
Gmagick::COLORSPACE_XYZ (int)
Gmagick::COLORSPACE_YCBCR (int)
Gmagick::COLORSPACE_YCC (int)
Gmagick::COLORSPACE_YIQ (int)
Gmagick::COLORSPACE_YPBPR (int)
Gmagick::COLORSPACE_YUV (int)
Gmagick::COLORSPACE_CMYK (int)
Gmagick::COLORSPACE_SRGB (int)
Gmagick::COLORSPACE_HSB (int)
Gmagick::COLORSPACE_HSL (int)
Gmagick::COLORSPACE_HWB (int)
Gmagick::COLORSPACE_REC601LUMA (int)
Gmagick::COLORSPACE_REC709LUMA (int)
Gmagick::COLORSPACE_LOG (int)
Virtual Pixel Method constants
Gmagick::VIRTUALPIXELMETHOD_UNDEFINED (int)
Gmagick::VIRTUALPIXELMETHOD_BACKGROUND (int)
Gmagick::VIRTUALPIXELMETHOD_CONSTANT (int)
Gmagick::VIRTUALPIXELMETHOD_EDGE (int)
Gmagick::VIRTUALPIXELMETHOD_MIRROR (int)
Gmagick::VIRTUALPIXELMETHOD_TILE (int)
Gmagick::VIRTUALPIXELMETHOD_TRANSPARENT (int)
Preview constants
Gmagick::PREVIEW_UNDEFINED (int)
Gmagick::PREVIEW_ROTATE (int)
Gmagick::PREVIEW_SHEAR (int)
Gmagick::PREVIEW_ROLL (int)
Gmagick::PREVIEW_HUE (int)
Gmagick::PREVIEW_SATURATION (int)
Gmagick::PREVIEW_BRIGHTNESS (int)
Gmagick::PREVIEW_GAMMA (int)
Gmagick::PREVIEW_SPIFF (int)
Gmagick::PREVIEW_DULL (int)
Gmagick::PREVIEW_GRAYSCALE (int)
Gmagick::PREVIEW_QUANTIZE (int)
Gmagick::PREVIEW_DESPECKLE (int)
Gmagick::PREVIEW_REDUCENOISE (int)
Gmagick::PREVIEW_ADDNOISE (int)
Gmagick::PREVIEW_SHARPEN (int)
Gmagick::PREVIEW_BLUR (int)
Gmagick::PREVIEW_THRESHOLD (int)
Gmagick::PREVIEW_EDGEDETECT (int)
Gmagick::PREVIEW_SPREAD (int)
Gmagick::PREVIEW_SOLARIZE (int)
Gmagick::PREVIEW_SHADE (int)
Gmagick::PREVIEW_RAISE (int)
Gmagick::PREVIEW_SEGMENT (int)
Gmagick::PREVIEW_SWIRL (int)
Gmagick::PREVIEW_IMPLODE (int)
Gmagick::PREVIEW_WAVE (int)
Gmagick::PREVIEW_OILPAINT (int)
Gmagick::PREVIEW_CHARCOALDRAWING (int)
Gmagick::PREVIEW_JPEG (int)
Rendering Intent constants
Gmagick::RENDERINGINTENT_UNDEFINED (int)
Gmagick::RENDERINGINTENT_SATURATION (int)
Gmagick::RENDERINGINTENT_PERCEPTUAL (int)
Gmagick::RENDERINGINTENT_ABSOLUTE (int)
Gmagick::RENDERINGINTENT_RELATIVE (int)
Fillrule constants
Gmagick::FILLRULE_UNDEFINED (int)
Gmagick::FILLRULE_EVENODD (int)
Gmagick::FILLRULE_NONZERO (int)
Pathunit constants
Gmagick::PATHUNITS_UNDEFINED (int)
Gmagick::PATHUNITS_USERSPACE (int)
Gmagick::PATHUNITS_USERSPACEONUSE (int)
Gmagick::PATHUNITS_OBJECTBOUNDINGBOX (int)
Linecap constants
Gmagick::LINECAP_UNDEFINED (int)
Gmagick::LINECAP_BUTT (int)
Gmagick::LINECAP_ROUND (int)
Gmagick::LINECAP_SQUARE (int)
Line Join constants
Gmagick::LINEJOIN_UNDEFINED (int)
Gmagick::LINEJOIN_MITER (int)
Gmagick::LINEJOIN_ROUND (int)
Gmagick::LINEJOIN_BEVEL (int)
Resourcetype constants
Gmagick::RESOURCETYPE_UNDEFINED (int)
Gmagick::RESOURCETYPE_AREA (int)
Gmagick::RESOURCETYPE_DISK (int)
Gmagick::RESOURCETYPE_FILE (int)
Gmagick::RESOURCETYPE_MAP (int)
Gmagick::RESOURCETYPE_MEMORY (int)
Orientation constants
Gmagick::ORIENTATION_UNDEFINED (int)
Gmagick::ORIENTATION_TOPLEFT (int)
Gmagick::ORIENTATION_TOPRIGHT (int)
Gmagick::ORIENTATION_BOTTOMRIGHT (int)
Gmagick::ORIENTATION_BOTTOMLEFT (int)
Gmagick::ORIENTATION_LEFTTOP (int)
Gmagick::ORIENTATION_RIGHTTOP (int)
Gmagick::ORIENTATION_RIGHTBOTTOM (int)
Gmagick::ORIENTATION_LEFTBOTTOM (int)
Interlace constants
Gmagick::INTERLACE_UNDEFINED (int)
Gmagick::INTERLACE_NO (int)
Gmagick::INTERLACE_NONE (int)
Gmagick::INTERLACE_LINE (int)
Gmagick::INTERLACE_PLANE (int)
Gmagick::INTERLACE_PARTITION (int)