预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

Colortype constants

Gmagick::COLOR_BLACK (integer)

Black

Gmagick::COLOR_BLUE (integer)

Blue

Gmagick::COLOR_CYAN (integer)

Cyan

Gmagick::COLOR_GREEN (integer)

Green

Gmagick::COLOR_RED (integer)

Red

Gmagick::COLOR_YELLOW (integer)

Yellow

Gmagick::COLOR_MAGENTA (integer)

Magenta

Gmagick::COLOR_OPACITY (integer)

Opacity

Gmagick::COLOR_ALPHA (integer)

Alpha

Gmagick::COLOR_FUZZ (integer)

Fuzz

Composite Operator Constants

Gmagick::COMPOSITE_DEFAULT (integer)

The default composite operator

Gmagick::COMPOSITE_UNDEFINED (integer)

Undefined composite operator

Gmagick::COMPOSITE_NO (integer)

No composite operator defined

Gmagick::COMPOSITE_ADD (integer)

The result of image + image

Gmagick::COMPOSITE_ATOP (integer)

The result is the same shape as image, with composite image obscuring image where the image shapes overlap

Gmagick::COMPOSITE_BLEND (integer)

Blends the image

Gmagick::COMPOSITE_BUMPMAP (integer)

The same as COMPOSITE_MULTIPLY, except the source is converted to grayscale first.

Gmagick::COMPOSITE_CLEAR (integer)

Makes the target image transparent

Gmagick::COMPOSITE_COLORBURN (integer)

Darkens the destination image to reflect the source image

Gmagick::COMPOSITE_COLORDODGE (integer)

Brightens the destination image to reflect the source image

Gmagick::COMPOSITE_COLORIZE (integer)

Colorizes the target image using the composite image

Gmagick::COMPOSITE_COPYBLACK (integer)

Copies black from the source to target

Gmagick::COMPOSITE_COPYBLUE (integer)

Copies blue from the source to target

Gmagick::COMPOSITE_COPY (integer)

Copies the source image on the target image

Gmagick::COMPOSITE_COPYCYAN (integer)

Copies cyan from the source to target

Gmagick::COMPOSITE_COPYGREEN (integer)

Copies green from the source to target

Gmagick::COMPOSITE_COPYMAGENTA (integer)

Copies magenta from the source to target

Gmagick::COMPOSITE_COPYOPACITY (integer)

Copies opacity from the source to target

Gmagick::COMPOSITE_COPYRED (integer)

Copies red from the source to target

Gmagick::COMPOSITE_COPYYELLOW (integer)

Copies yellow from the source to target

Gmagick::COMPOSITE_DARKEN (integer)

Darkens the target image

Gmagick::COMPOSITE_DSTATOP (integer)

The part of the destination lying inside of the source is composited over the source and replaces the destination

Gmagick::COMPOSITE_DST (integer)

The target is left untouched

Gmagick::COMPOSITE_DSTIN (integer)

The parts inside the source replace the target

Gmagick::COMPOSITE_DSTOUT (integer)

The parts outside the source replace the target

Gmagick::COMPOSITE_DSTOVER (integer)

Target replaces the source

Gmagick::COMPOSITE_DIFFERENCE (integer)

Subtracts the darker of the two constituent colors from the lighter

Gmagick::COMPOSITE_DISPLACE (integer)

Shifts target image pixels as defined by the source

Gmagick::COMPOSITE_DISSOLVE (integer)

Dissolves the source in to the target

Gmagick::COMPOSITE_EXCLUSION (integer)

Produces an effect similar to that of Gmagick::COMPOSITE_DIFFERENCE, but appears as lower contrast

Gmagick::COMPOSITE_HARDLIGHT (integer)

Multiplies or screens the colors, dependent on the source color value

Gmagick::COMPOSITE_HUE (integer)

Modifies the hue of the target as defined by source

Gmagick::COMPOSITE_IN (integer)

Composites source into the target

Gmagick::COMPOSITE_LIGHTEN (integer)

Lightens the target as defined by source

Gmagick::COMPOSITE_LUMINIZE (integer)

Luminizes the target as defined by source

Gmagick::COMPOSITE_MINUS (integer)

Substracts the source from the target

Gmagick::COMPOSITE_MODULATE (integer)

Modulates the target brightness, saturation and hue as defined by source

Gmagick::COMPOSITE_MULTIPLY (integer)

Multiplies the target to the source

Gmagick::COMPOSITE_OUT (integer)

Composites outer parts of the source on the target

Gmagick::COMPOSITE_OVER (integer)

Composites source over the target

Gmagick::COMPOSITE_OVERLAY (integer)

Overlays the source on the target

Gmagick::COMPOSITE_PLUS (integer)

Adds the source to the target

Gmagick::COMPOSITE_REPLACE (integer)

Replaces the target with the source

Gmagick::COMPOSITE_SATURATE (integer)

Saturates the target as defined by the source

Gmagick::COMPOSITE_SCREEN (integer)

The source and destination are complemented and then multiplied and then replace the destination

Gmagick::COMPOSITE_SOFTLIGHT (integer)

Darkens or lightens the colors, dependent on the source

Gmagick::COMPOSITE_SRCATOP (integer)

The part of the source lying inside of the destination is composited onto the destination

Gmagick::COMPOSITE_SRC (integer)

The source is copied to the destination

Gmagick::COMPOSITE_SRCIN (integer)

The part of the source lying inside of the destination replaces the destination

Gmagick::COMPOSITE_SRCOUT (integer)

The part of the source lying outside of the destination replaces the destination

Gmagick::COMPOSITE_SRCOVER (integer)

The source replaces the destination

Gmagick::COMPOSITE_SUBTRACT (integer)

Subtract the colors in the source image from the destination image

Gmagick::COMPOSITE_THRESHOLD (integer)

The source is composited on the target as defined by source threshold

Gmagick::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

Gmagick::MONTAGEMODE_FRAME (integer)

Gmagick::MONTAGEMODE_UNFRAME (integer)

Gmagick::MONTAGEMODE_CONCATENATE (integer)

Style constants

Gmagick::STYLE_NORMAL (integer)

Gmagick::STYLE_ITALIC (integer)

Gmagick::STYLE_OBLIQUE (integer)

Gmagick::STYLE_ANY (integer)

Filter constants

Gmagick::FILTER_UNDEFINED (integer)

Gmagick::FILTER_POINT (integer)

Gmagick::FILTER_BOX (integer)

Gmagick::FILTER_TRIANGLE (integer)

Gmagick::FILTER_HERMITE (integer)

Gmagick::FILTER_HANNING (integer)

Gmagick::FILTER_HAMMING (integer)

Gmagick::FILTER_BLACKMAN (integer)

Gmagick::FILTER_GAUSSIAN (integer)

Gmagick::FILTER_QUADRATIC (integer)

Gmagick::FILTER_CUBIC (integer)

Gmagick::FILTER_CATROM (integer)

Gmagick::FILTER_MITCHELL (integer)

Gmagick::FILTER_LANCZOS (integer)

Gmagick::FILTER_BESSEL (integer)

Gmagick::FILTER_SINC (integer)

Image type constants

Gmagick::IMGTYPE_UNDEFINED (integer)

Gmagick::IMGTYPE_BILEVEL (integer)

Gmagick::IMGTYPE_GRAYSCALE (integer)

Gmagick::IMGTYPE_GRAYSCALEMATTE (integer)

Gmagick::IMGTYPE_PALETTE (integer)

Gmagick::IMGTYPE_PALETTEMATTE (integer)

Gmagick::IMGTYPE_TRUECOLOR (integer)

Gmagick::IMGTYPE_TRUECOLORMATTE (integer)

Gmagick::IMGTYPE_COLORSEPARATION (integer)

Gmagick::IMGTYPE_COLORSEPARATIONMATTE (integer)

Gmagick::IMGTYPE_OPTIMIZE (integer)

Resolution constants

Gmagick::RESOLUTION_UNDEFINED (integer)

Gmagick::RESOLUTION_PIXELSPERINCH (integer)

Gmagick::RESOLUTION_PIXELSPERCENTIMETER (integer)

Compression constants

Gmagick::COMPRESSION_UNDEFINED (integer)

Gmagick::COMPRESSION_NO (integer)

Gmagick::COMPRESSION_BZIP (integer)

Gmagick::COMPRESSION_FAX (integer)

Gmagick::COMPRESSION_GROUP4 (integer)

Gmagick::COMPRESSION_JPEG (integer)

Gmagick::COMPRESSION_JPEG2000 (integer)

Gmagick::COMPRESSION_LOSSLESSJPEG (integer)

Gmagick::COMPRESSION_LZW (integer)

Gmagick::COMPRESSION_RLE (integer)

Gmagick::COMPRESSION_ZIP (integer)

Paint constants

Gmagick::PAINT_POINT (integer)

Gmagick::PAINT_REPLACE (integer)

Gmagick::PAINT_FLOODFILL (integer)

Gmagick::PAINT_FILLTOBORDER (integer)

Gmagick::PAINT_RESET (integer)

Gravity constants

Gmagick::GRAVITY_NORTHWEST (integer)

Gmagick::GRAVITY_NORTH (integer)

Gmagick::GRAVITY_NORTHEAST (integer)

Gmagick::GRAVITY_WEST (integer)

Gmagick::GRAVITY_CENTER (integer)

Gmagick::GRAVITY_EAST (integer)

Gmagick::GRAVITY_SOUTHWEST (integer)

Gmagick::GRAVITY_SOUTH (integer)

Gmagick::GRAVITY_SOUTHEAST (integer)

Stretch constants

Gmagick::STRETCH_NORMAL (integer)

Gmagick::STRETCH_ULTRACONDENSED (integer)

Gmagick::STRETCH_CONDENSED (integer)

Gmagick::STRETCH_SEMICONDENSED (integer)

Gmagick::STRETCH_SEMIEXPANDED (integer)

Gmagick::STRETCH_EXPANDED (integer)

Gmagick::STRETCH_EXTRAEXPANDED (integer)

Gmagick::STRETCH_ULTRAEXPANDED (integer)

Gmagick::STRETCH_ANY (integer)

Align constants

Gmagick::ALIGN_UNDEFINED (integer)

Gmagick::ALIGN_LEFT (integer)

Gmagick::ALIGN_CENTER (integer)

Gmagick::ALIGN_RIGHT (integer)

Decoration constants

Gmagick::DECORATION_NO (integer)

Gmagick::DECORATION_UNDERLINE (integer)

Gmagick::DECORATION_OVERLINE (integer)

Gmagick::DECORATION_LINETROUGH (integer)

Noise constants

Gmagick::NOISE_UNIFORM (integer)

Gmagick::NOISE_GAUSSIAN (integer)

Gmagick::NOISE_MULTIPLICATIVEGAUSSIAN (integer)

Gmagick::NOISE_IMPULSE (integer)

Gmagick::NOISE_LAPLACIAN (integer)

Gmagick::NOISE_POISSON (integer)

Channel constants

Gmagick::CHANNEL_UNDEFINED (integer)

Gmagick::CHANNEL_RED (integer)

Gmagick::CHANNEL_GRAY (integer)

Gmagick::CHANNEL_CYAN (integer)

Gmagick::CHANNEL_GREEN (integer)

Gmagick::CHANNEL_MAGENTA (integer)

Gmagick::CHANNEL_BLUE (integer)

Gmagick::CHANNEL_YELLOW (integer)

Gmagick::CHANNEL_ALPHA (integer)

Gmagick::CHANNEL_OPACITY (integer)

Gmagick::CHANNEL_MATTE (integer)

Gmagick::CHANNEL_BLACK (integer)

Gmagick::CHANNEL_INDEX (integer)

Gmagick::CHANNEL_ALL (integer)

Metric constants

Gmagick::METRIC_UNDEFINED (integer)

Gmagick::METRIC_MEANABSOLUTEERROR (integer)

Gmagick::METRIC_MEANSQUAREERROR (integer)

Gmagick::METRIC_PEAKABSOLUTEERROR (integer)

Gmagick::METRIC_PEAKSIGNALTONOISERATIO (integer)

Gmagick::METRIC_ROOTMEANSQUAREDERROR (integer)

Pixel constants

Gmagick::PIXEL_CHAR (integer)

Gmagick::PIXEL_DOUBLE (integer)

Gmagick::PIXEL_FLOAT (integer)

Gmagick::PIXEL_INTEGER (integer)

Gmagick::PIXEL_LONG (integer)

Gmagick::PIXEL_QUANTUM (integer)

Gmagick::PIXEL_SHORT (integer)

Colorspace constants

Gmagick::COLORSPACE_UNDEFINED (integer)

Gmagick::COLORSPACE_RGB (integer)

Gmagick::COLORSPACE_GRAY (integer)

Gmagick::COLORSPACE_TRANSPARENT (integer)

Gmagick::COLORSPACE_OHTA (integer)

Gmagick::COLORSPACE_LAB (integer)

Gmagick::COLORSPACE_XYZ (integer)

Gmagick::COLORSPACE_YCBCR (integer)

Gmagick::COLORSPACE_YCC (integer)

Gmagick::COLORSPACE_YIQ (integer)

Gmagick::COLORSPACE_YPBPR (integer)

Gmagick::COLORSPACE_YUV (integer)

Gmagick::COLORSPACE_CMYK (integer)

Gmagick::COLORSPACE_SRGB (integer)

Gmagick::COLORSPACE_HSB (integer)

Gmagick::COLORSPACE_HSL (integer)

Gmagick::COLORSPACE_HWB (integer)

Gmagick::COLORSPACE_REC601LUMA (integer)

Gmagick::COLORSPACE_REC709LUMA (integer)

Gmagick::COLORSPACE_LOG (integer)

Virtual Pixel Method constants

Gmagick::VIRTUALPIXELMETHOD_UNDEFINED (integer)

Gmagick::VIRTUALPIXELMETHOD_BACKGROUND (integer)

Gmagick::VIRTUALPIXELMETHOD_CONSTANT (integer)

Gmagick::VIRTUALPIXELMETHOD_EDGE (integer)

Gmagick::VIRTUALPIXELMETHOD_MIRROR (integer)

Gmagick::VIRTUALPIXELMETHOD_TILE (integer)

Gmagick::VIRTUALPIXELMETHOD_TRANSPARENT (integer)

Preview constants

Gmagick::PREVIEW_UNDEFINED (integer)

Gmagick::PREVIEW_ROTATE (integer)

Gmagick::PREVIEW_SHEAR (integer)

Gmagick::PREVIEW_ROLL (integer)

Gmagick::PREVIEW_HUE (integer)

Gmagick::PREVIEW_SATURATION (integer)

Gmagick::PREVIEW_BRIGHTNESS (integer)

Gmagick::PREVIEW_GAMMA (integer)

Gmagick::PREVIEW_SPIFF (integer)

Gmagick::PREVIEW_DULL (integer)

Gmagick::PREVIEW_GRAYSCALE (integer)

Gmagick::PREVIEW_QUANTIZE (integer)

Gmagick::PREVIEW_DESPECKLE (integer)

Gmagick::PREVIEW_REDUCENOISE (integer)

Gmagick::PREVIEW_ADDNOISE (integer)

Gmagick::PREVIEW_SHARPEN (integer)

Gmagick::PREVIEW_BLUR (integer)

Gmagick::PREVIEW_THRESHOLD (integer)

Gmagick::PREVIEW_EDGEDETECT (integer)

Gmagick::PREVIEW_SPREAD (integer)

Gmagick::PREVIEW_SOLARIZE (integer)

Gmagick::PREVIEW_SHADE (integer)

Gmagick::PREVIEW_RAISE (integer)

Gmagick::PREVIEW_SEGMENT (integer)

Gmagick::PREVIEW_SWIRL (integer)

Gmagick::PREVIEW_IMPLODE (integer)

Gmagick::PREVIEW_WAVE (integer)

Gmagick::PREVIEW_OILPAINT (integer)

Gmagick::PREVIEW_CHARCOALDRAWING (integer)

Gmagick::PREVIEW_JPEG (integer)

Rendering Intent constants

Gmagick::RENDERINGINTENT_UNDEFINED (integer)

Gmagick::RENDERINGINTENT_SATURATION (integer)

Gmagick::RENDERINGINTENT_PERCEPTUAL (integer)

Gmagick::RENDERINGINTENT_ABSOLUTE (integer)

Gmagick::RENDERINGINTENT_RELATIVE (integer)

Fillrule constants

Gmagick::FILLRULE_UNDEFINED (integer)

Gmagick::FILLRULE_EVENODD (integer)

Gmagick::FILLRULE_NONZERO (integer)

Pathunit constants

Gmagick::PATHUNITS_UNDEFINED (integer)

Gmagick::PATHUNITS_USERSPACE (integer)

Gmagick::PATHUNITS_USERSPACEONUSE (integer)

Gmagick::PATHUNITS_OBJECTBOUNDINGBOX (integer)

Linecap constants

Gmagick::LINECAP_UNDEFINED (integer)

Gmagick::LINECAP_BUTT (integer)

Gmagick::LINECAP_ROUND (integer)

Gmagick::LINECAP_SQUARE (integer)

Line Join constants

Gmagick::LINEJOIN_UNDEFINED (integer)

Gmagick::LINEJOIN_MITER (integer)

Gmagick::LINEJOIN_ROUND (integer)

Gmagick::LINEJOIN_BEVEL (integer)

Resourcetype constants

Gmagick::RESOURCETYPE_UNDEFINED (integer)

Gmagick::RESOURCETYPE_AREA (integer)

Gmagick::RESOURCETYPE_DISK (integer)

Gmagick::RESOURCETYPE_FILE (integer)

Gmagick::RESOURCETYPE_MAP (integer)

Gmagick::RESOURCETYPE_MEMORY (integer)

Orientation constants

Gmagick::ORIENTATION_UNDEFINED (integer)

Gmagick::ORIENTATION_TOPLEFT (integer)

Gmagick::ORIENTATION_TOPRIGHT (integer)

Gmagick::ORIENTATION_BOTTOMRIGHT (integer)

Gmagick::ORIENTATION_BOTTOMLEFT (integer)

Gmagick::ORIENTATION_LEFTTOP (integer)

Gmagick::ORIENTATION_RIGHTTOP (integer)

Gmagick::ORIENTATION_RIGHTBOTTOM (integer)

Gmagick::ORIENTATION_LEFTBOTTOM (integer)