curs_overlay(3X) curs_overlay(3X) NAME overlay, overwrite, copywin - overlay and manipulate overlapped curses windows SYNOPSIS #include <curses.h> int overlay(const WINDOW *srcwin, WINDOW *dstwin); int overwrite(const WINDOW *srcwin, WINDOW *dstwin); int copywin(const WINDOW *srcwin, WINDOW *dstwin, int sminrow, int smincol, int dminrow, int dmincol, int dmaxrow, int dmaxcol, int overlay); DESCRIPTION The overlay and overwrite routines overlay srcwin on top of dstwin. scrwin and dstwin are not required to be the same size; only text where the two windows overlap is copied. The difference is that overlay is non-destructive (blanks are not copied) whereas overwrite is destructive. The copywin routine provides a finer granularity of control over the overlay and overwrite routines. As in the prefresh routine, a rectangle is specified in the destination window, (dminrow, dmincol) and (dmaxrow, dmaxcol), and the upper-left-corner coordinates of the source window, (sminrow, smincol). If the argument overlay is true, then copying is non- destructive, as in overlay. RETURN VALUE Routines that return an integer return ERR upon failure, and OK (SVr4 only specifies "an integer value other than ERR") upon successful completion. X/Open defines no error conditions. In this implementation, copywin, overlay and over- write return an error if either of the window pointers are null, or if some part of the window would be placed off-screen. NOTES Note that overlay and overwrite may be macros. PORTABILITY The XSI Curses standard, Issue 4 describes these functions (adding the const qualifiers). It further specifies their behavior in the presence of characters with multibyte rendi- tions (not yet supported in this implementation). SEE ALSO curses(3X), curs_pad(3X), curs_refresh(3X) curs_overlay(3X) composite(1) General Commands Manual composite(1) NAME composite - overlaps one image over another. SYNOPSIS composite [ options ... ] change-file base-file [ mask-file ] output-image OVERVIEW The composite program is a member of the ImageMagick(1) suite of tools. Use it to overlap one image over another. For more information about the composite command, point your browser to file:///usr/share/doc/ImageMagick-6/www/composite.html@EXTRA_DOC_DIR@ or http://imagemag- ick.org/script/composite.php. DESCRIPTION Image Settings: -affine matrix affine transform matrix -alpha option on, activate, off, deactivate, set, opaque, copy transparent, extract, background, or shape -authenticate value decrypt image with this password -blue-primary point chromaticity blue primary point -channel type apply option to select image channels -colorspace type alternate image colorspace -comment string annotate image with comment -compose operator composite operator -compress type type of pixel compression when writing the image -decipher filename convert cipher pixels to plain pixels -define format:option define one or more image format options -depth value image depth -density geometry horizontal and vertical density of the image -display server get image or font from this X server -dispose method layer disposal method -dither method apply error diffusion to image -encipher filename convert plain pixels to cipher pixels -encoding type text encoding type -endian type endianness (MSB or LSB) of the image -filter type use this filter when resizing an image -font name render text with this font -format "string" output formatted image characteristics -gravity type which direction to gravitate towards -green-primary point chromaticity green primary point -interlace type type of image interlacing scheme -interpolate method pixel color interpolation method -label string assign a label to an image -limit type value pixel cache resource limit -matte store matte channel if the image has one -monitor monitor progress -page geometry size and location of an image canvas (setting) -pointsize value font point size -quality value JPEG/MIFF/PNG compression level -quiet suppress all warning messages -red-primary point chromaticity red primary point -regard-warnings pay attention to warning messages -repage geometry size and location of an image canvas (operator) -respect-parentheses settings remain in effect until parenthesis boundary -sampling-factor geometry horizontal and vertical sampling factor -scene value image scene number -seed value seed a new sequence of pseudo-random numbers -size geometry width and height of image -support factor resize support: > 1.0 is blurry, < 1.0 is sharp -synchronize synchronize image to storage device -taint declare the image as modified -transparent-color color transparent color -treedepth value color tree depth -tile repeat composite operation across and down image -units type the units of image resolution -verbose print detailed information about the image -virtual-pixel method virtual pixel access method -white-point point chromaticity white point Image Operators: -blend geometry blend images -border geometry surround image with a border of color -bordercolor color border color -colors value preferred number of colors in the image -displace geometry shift image pixels defined by a displacement map -dissolve value dissolve the two images a given percent -distort geometry shift lookup according to a absolute distortion map -extract geometry extract area from image -geometry geometry location of the composite image -identify identify the format and characteristics of the image -monochrome transform image to black and white -negate replace each pixel with its complementary color -profile filename add ICM or IPTC information profile to image -quantize colorspace reduce colors in this colorspace -rotate degrees apply Paeth rotation to the image -resize geometry resize the image -sharpen geometry sharpen the image -shave geometry shave pixels from the image edges -stegano offset hide watermark within an image -stereo combine two image to create a stereo anaglyph -strip strip image of all profiles and comments -thumbnail geometry create a thumbnail of the image -transform affine transform image -type type image type -unsharp geometry sharpen the image -watermark geometry percent brightness and saturation of a watermark -write filename write images to this file Image Stack Operators: -swap indexes swap two images in the image sequence Miscellaneous Options: -debug events display copious debugging information -help print program options -log format format of debugging information -list type print a list of supported option arguments -version print version information By default, the image format of `file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as '-' for standard input or output. SEE ALSO ImageMagick(1) COPYRIGHT Copyright (C) 1999-2019 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file:///usr/share/doc/ImageMagick-6/www/license.html@EXTRA_DOC_DIR@ or http://imagemagick.org/script/license.php ImageMagick Date: 2009/01/10 01:00:00 composite(1)
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