Copyright © Fred Weinhaus My scripts are available free of charge for non-commercial (non-profit) use, ONLY. For use of my scripts in commercial (for-profit) environments or non-free applications, please contact me (Fred Weinhaus) for licensing arrangements. My email address is fmw at alink dot net. If you: 1) redistribute, 2) incorporate any of these scripts into other free applications or 3) reprogram them in another scripting language, then you must contact me for permission, especially if the result might be used in a commercial or for-profit environment. Usage, whether stated or not in the script, is restricted to the above licensing arrangements. It is also subject, in a subordinate manner, to the ImageMagick license, which can be found at: http://www.imagemagick.org/script/license.php Please read the Pointers For Use on my home page to properly install and customize my scripts. |
Applies an inner bevel or outer bevel or emboss effect to an image. |
last modified: December 15, 2018
USAGE: bevel [-w width] [-a azimuth] [-e elevation] [-d depth] [-f form] [-i innermode] [-o outermode] [-s soften] [-t taper] [-b bcolor] [-c colormode] infile outfile
-w .... width ........... width of border in pixels; same in both dimensions; PURPOSE: To apply an inner bevel or outer bevel or emboss effect to an image. DESCRIPTION: BEVEL applies an inner bevel or outer bevel or emboss effect to an image, especially one that has an alpha channel. ARGUMENTS: -w width ... WIDTH is the dimensions of bevel/emboss effect. The same value is used in both dimensions. Values are integers greater than 0. The default=5. -a azimuth ... AZIMUTH is the angle in degrees in the x-y plane measured counterclockwise from EAST to the light source. Values are integers in the range 0<=azimuth<=360. The default=135 (NorthWest). -e elevation ... ELEVATION is the angle in degrees upwards from the x-y plane to the light source. Values are integers in the range 0<=elevation<=90. The default=30. -d depth ... DEPTH controls the depth effect. It basically adjust the contrast of the shading in the effect. Values are integers>=0. Larger values increase the depth/contrast and smaller values decrease the depth/contrast. The default=100. -f form ... FORM of the effect. The choices are: inner, outer or emboss. The default=inner. -i innermode ... INNERMODE is the mode for form=inner or emboss. The choices are: hard or smooth. The default=hard. -o outermode ... OUTERMODE is the mode for form=outer or emboss. The choices are: raised or lowered. The default=raised. -s soften ... SOFTEN is the amount of softening or smoothing in the effect. Values are integer>=0. Nominal values are 0 to about 10. The default=0 (no softening). -t taper ... TAPER is the rate of tapering for form=outer or emboss. Values are integesr>=0. Nominally, taper is about 0 to 3. Smaller taper means the effect rolls off or tapers faster and is more downward curved. Larger values means the taper rolls off more slowly and flatly. The default=2 for mode=raised and the default=0 for mode=lowered. -b bcolor ... BCOLOR is the color to apply to the outer bevel or outer bevel part of emboss. Any valid opaque IM color is allowed. The default=gray -c colormode ... COLORMODE is the colorization mode to use when bcolor is assigned. The choices are: dark or light. The default=dark. NOTE: When the image has no alpha channel or a fully opaque alpha channel, then it is recommended that one use my bevelborder script, as it is much faster. CAVEAT: No guarantee that this script will work on all platforms, nor that trapping of inconsistent parameters is complete and foolproof. Use At Your Own Risk. |
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What the script does is as follows (for the case of inner bevel):
This is equivalent to the following IM commands for the case of form=inner and imode=hard.
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