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comparison doc/src/site/markdown/scaler-api.md @ 1593:4ef25f916df8

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cleanup and site doc.
author robcast
date Wed, 08 Feb 2017 20:24:42 +0100
parents 71cd204862d4
children
comparison
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1592:7031524fc6e9 1593:4ef25f916df8
4 4
5 http://host.domain/digilib/Scaler/request_path/?param1=value1&param2=value2&... 5 http://host.domain/digilib/Scaler/request_path/?param1=value1&param2=value2&...
6 6
7 Unknown parameters will be silently ignored. 7 Unknown parameters will be silently ignored.
8 8
9 Recognised parameters (as of Version 2.3.7, for the most recent list of 9 Recognised parameters (as of Version 2.5.0, for the most up to date information use the source for
10 parameters 10 [parameters](https://sourceforge.net/p/digilib/code/ci/default/tree/servlet/src/main/java/digilib/conf/DigilibServletRequest.java)
11 [use the source](https://sourceforge.net/p/digilib/code/ci/default/tree/servlet/src/main/java/digilib/conf/DigilibServletRequest.java) 11 and
12 [mode options](https://sourceforge.net/p/digilib/code/ci/default/tree/common/src/main/java/digilib/conf/DigilibOption.java)
12 ): 13 ):
13 14
14 - `request_path`: (optional) path to file or directory. 15 - `request_path`: (optional) path to file or directory.
15 - `fn`: path to file or directory. (This path will be added to 16 - `fn`: path to file or directory. (This path will be added to
16 `request_path`. Either parameter can be empty. 17 `request_path`. Either parameter can be empty.
62 - `GRAYSCALE` (produces grayscale image) 63 - `GRAYSCALE` (produces grayscale image)
63 - `NTSC_GRAY` (uses NTSC formula to produce grayscale image) 64 - `NTSC_GRAY` (uses NTSC formula to produce grayscale image)
64 - `BITONAL` (produces black-and-white image) 65 - `BITONAL` (produces black-and-white image)
65 - `INVERT` (inverts colors) 66 - `INVERT` (inverts colors)
66 - `MAP_GRAY_BGR` (produces false-color image mapping brightness values to color scale from blue via green to red). 67 - `MAP_GRAY_BGR` (produces false-color image mapping brightness values to color scale from blue via green to red).
67 - `mo`: list of flags for the mode of operation separated by comma ",". 68 - `mo`: list of options for the mode of operation separated by comma ",".
68 - `fit`: scale the image proportionally to fit inside \[`dw` x `dh`\], preserving its aspect ratio (default). 69 - `fit`: scale the (selected area of the) image proportionally to fit inside [dw x dh], preserving its aspect ratio (default).
69 - `squeeze`: scale the image to fit \[`dw` x `dh`\], changing its aspect ratio. 70 - `squeeze`: scale the (selected area of the) image to fill [dw x dh], changing its aspect ratio (since v2.3.3).
71 - `crop`: scale the (selected area of the) image proportionally to fill [dw x dh] with the shorter side, cropping the longer side (since v2.5).
72 - `fill`: scale the (selected area of the) image proportionally to fill [dw x dh] with the longer side, filling out the image on the shorter side if possible (since v2.3.3).
70 - `clip`: send the file in the highest resolution, cropped 73 - `clip`: send the file in the highest resolution, cropped
71 to fit \[`dw` x `dh`\]. 74 to fit \[`dw` x `dh`\].
72 - `osize`: scale to original size based on image 75 - `osize`: scale to original size based on image
73 resolution (from the image metadata) and display resolution 76 resolution (from the image metadata) and display resolution
74 (from parameter ddpi). Fails if either resolution is unknown. 77 (from parameter ddpi). Fails if either resolution is unknown.