41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
GifClip
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Program to clip images in GIF files. Only one image in GIF file can be modified
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at a time. Neither image relative position to screen, nor screen sizes are
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modified (use GifPos for that).
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Usage:
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------
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Usage: GifClip [-q] [-i Xmin Ymin Xmax Ymax] [-n n Xmin Ymin Xmax Ymax] [-h]
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GifFile
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If no GifFile is given, GifClip will try to read stdin for GIF file.
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Memory required:
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----------------
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Line.
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Options:
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--------
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1. [-q] : quite mode. Default off on MSDOS, on on unix. Controls printout
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of running scan lines. Use -q- to turn off.
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2. [-i Xmin Ymin Xmax Ymax] : Clip first image to the dimensions as specified
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by the 4 coordinates (Xmin Ymin Xmax Ymax) of a box clipping region.
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For example: '-i 11 22 33 44' will crop the box from top left [11,22]
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to bottom right [33,44] out of the first image.
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If the first parameter is bigger than third one (Xmin > Xmax) - they are
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swapped. Same for Y.
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Dimensions of cropped image must be confined to original image width and
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height. Note the clipped image include both min & max boundry, and image
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of width W can have coordinates 0 to W-1 (zero based).
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Only one of -i or -n can be specified.
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3. [-n n Xmin Ymin Xmax Ymax] : same as -i above but for the nth image:
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'-n 1 11 22 33 44' is exactly the same as the example in -i. Only one of
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-i or -n can be specified.
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4. [-h] : print one command line help, similar to Usage above.
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