预定义常量

以下常量由本扩展模块定义，因此只有在本扩展模块被编译到 PHP 中，或者在运行时被动态加载后才有效。

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 grayscale 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

In Imagick version 2.2.2 and below layer method constants were only available if Imagick is compiled against ImageMagick 6.3.4 or later. After Imagick 2.2.2 they are available if Imagick is compiled against ImageMagick 6.2.9 or greater.

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

In Imagick version 2.2.2 and below layer method constants were only available if Imagick is compiled against ImageMagick 6.3.4 or later. After Imagick 2.2.2 they are available if Imagick is compiled against ImageMagick 6.2.9 or greater.

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)