fmt

Response image format.

fmt=format [,pixelType ]

format

jpeg | png | png-alpha | tif | tif-alpha | swf | pdf | gif | gif-alpha | fxg | fxgraw

Specifies the image encoding format for image data sent to the client and the corresponding response MIME type for the HTTP reply header.

jpeg : lossy JPEG

png : loss-less PNG

png-alpha : loss-less PNG with alpha channel

tif : TIFF

tif-alpha : TIFF with alpha channel

swf : lossy JPEG embedded into an Adobe swf file

pdf : image embedded in PDF

gif : GIF with 2 to 256 colors

gif-alpha : GIF with 2 to 255 colors plus key-color transparency

fxg : FXG with variables and DOM manipulation applied

fxgraw : original FXG stored on server

pixelType

rgb | gray | cmyk

Can be used to effect output color space.

rgb : return RGB image data

gray : return gray-scale image data

cmyk : return CMYK image data

tiffCompression is permitted only if tif, tif-alpha is specified as the format. Refer to the table below for the compression options supported for these image formats.

qlt= can be used to set the JPEG encoding options for these formats: JPEG, TIFF with JPEG compression. quantize= can be used if fmt=gif or fmt=gif-alpha. Refer to the command descriptions for details. The other formats do not have settable options.

8-bits per pixel component are returned for all formats and pixelTypes[7].

The following table lists the valid combinations of format and pixelType, the corresponding HTTP response MIME types.

format

pixelType

Response MIME type

Embed ICC profile

Options

jpeg

rgb, gray, cmyk

<image/jpeg>

yes

qlt=

png, png-alpha

rgb, gray

<image/png>

yes

tif, tif-alpha

rgb, gray, cmyk

<image/tiff>

yes

tiffCompression ( none | lzw | zip | jpeg), qlt=

swf, swf-alpha

rgb

<application/x-shockwave-flash>

no

qlt=

pdf

rgb, gray, cmyk

<application/pdf>

yes

gif, gif-alpha

rgb, gray

<image/gif>

no

quantize=

Example

http://server/is/agm/myRootId/myImageId?fmt=swf

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