tweak(1) - Plan 9 from User Space

From adc93f6097615f16d57e8a24a256302f2144ec4e Mon Sep 17 00:00:00 2001 From: rsc Date: Fri, 14 Jan 2005 17:37:50 +0000 Subject: cut out the html - they're going to cause diffing problems. --- man/man1/tweak.html | 194 ---------------------------------------------------- 1 file changed, 194 deletions(-) delete mode 100644 man/man1/tweak.html (limited to 'man/man1/tweak.html') diff --git a/man/man1/tweak.html b/man/man1/tweak.html deleted file mode 100644 index 9d63dcd4..00000000 --- a/man/man1/tweak.html +++ /dev/null @@ -1,194 +0,0 @@ - -tweak(1) - Plan 9 from User Space - - - - -

TWEAK(1) TWEAK(1) -

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-

NAME
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- - tweak – edit image files, subfont files, face files, etc.
- -
-

SYNOPSIS
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- - tweak [ file ... ]
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-

DESCRIPTION
- -
- - Tweak edits existing files holding various forms of images. To - create original images, start from an existing image, subfont, - etc. -
- - Tweak reads its argument files and displays the resulting images - in a vertical column. If the image is too wide to fit across the - display, it is folded much like a long line of text in an rio - window. Under each image is displayed one or two lines of text - presenting its parameters. The first line shows the image’s depth, - the number of bits per pixel; r, the rectangle covered by the - image; and the name of the file from which it was read. If the - file is a subfont, a second line presents a hexadecimal 16-bit - offset to be applied to character values from the subfont (typically - as stored in a font file; see font(7)); and the subfont’s n, - height, and ascent as defined in cachechars(3). -
- - By means described below, magnified views of portions of the images - may be displayed. The text associated with such a view includes - mag, the magnification. If the view is of a single character from - a subfont, the second line of text shows the character’s value - (including the subfont’s offset) in hexadecimal and as a - character in tweak’s default font; the character’s x, top, bottom, - left, and width as defined in cachechars(3); and iwidth, the physical - width of the image in the subfont’s image. -
- - There are two methods to obtain a magnified view of a character - from a subfont. The first is to click mouse button 1 over the - image of the character in the subfont. The second is to select - the char entry on the button 3 menu, point the resulting gunsight - cursor at the desired subfont and click button 3, and then type - at the text prompt at the bottom of the screen the character value, - either as a multi-digit hexadecimal number or as a single rune - representing the character. -
- - To magnify a portion of other types of image files, click button - 1 over the unmagnified file. The cursor will switch to a cross. - Still with button 1, sweep a rectangle, as in rio, that encloses - the portion of the image to be magnified. (If the file is 16x16 - or smaller, tweak will just magnify the entire file; no sweeping - is - necessary.) -
- - Pressing buttons 1 and 2 within magnified images changes pixel - values. By default, button 1 sets the pixel to all zeros and button - 2 sets the pixel to all ones. -
- - Across the top of the screen is a textual display of global parameters. - These values, as well as many of the textual values associated - with the images, may be edited by clicking button 1 on the displayed - value and typing a new value. The values along the top of the - screen are:
- mag Default magnification.
- val(hex) - -
- - The value used to modify pixels within magnified images. The value - must be in hexadecimal, optionally preceded by a tilde for bitwise - negation.
- -
- but1 - but2The pixel value written when the corresponding button is pressed - over a pixel.
- invert−on−copy - -
- - Whether the pixel values are inverted when a copy operation is - performed. -
- - -
- Under button 3 is a menu holding a variety of functions. Many - of these functions prompt for the image upon which to act by switching - to a gunsight cursor; click button 3 over the selection, or click - a different button to cancel the action.
- openRead and display a file. The name of the file is typed to - the prompt on the bottom line.
- readReread a file.
- write - -
- - Write a file.
- -
- copyUse the copy function, default S, to transfer a rectangle - of pixels from one image to another. The program prompts with - a cross cursor; sweep out a rectangle in one image or just click - button 3 to select the whole image. The program will leave that - rectangle in place and attach another one to the cursor. Move - -
- - that rectangle to the desired place in any image and click button - 3, or another button to cancel the action.
- -
- charAs described above, open a magnified view of a character image - in a subfont.
- pixels - -
- - Report the coordinate and value of individual pixels indicated - by pressing button 3. This is a mode of operation canceled by - pressing button 1 or 2.
- -
- close - -
- - Close the specified image. If the image is the unmagnified file, - also close any magnified views of that file.
- -
- exitQuit tweak. The program will complain once about modified - but unwritten files.
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SOURCE
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- - /usr/local/plan9/src/cmd/draw/tweak.c - -
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SEE ALSO
- -
- - cachechars(3), image(7), font(7)
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-

BUGS
- -
- - For a program written to adjust width tables in fonts, tweak has - been pushed unreasonably far.
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- -

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