Mercurial > octave-nkf
view scripts/image/rgbplot.m @ 18840:4a4edf0f2077 nkf-ready
fix LLVM 3.4 build (bug #41061)
* configure.ac: Call new functions OCTAVE_LLVM_RAW_FD_OSTREAM_API and
OCTAVE_LLVM_LEGACY_PASSMANAGER_API, check for Verifier.h header file
* m4/acinclude.m4 (OCTAVE_LLVM_RAW_FD_OSTREAM_API): New function to
detect correct raw_fd_ostream API
* m4/acinclude.m4 (OCTAVE_LLVM_LEGACY_PASSMANAGER_API): New function
to detect legacy passmanager API
* libinterp/corefcn/jit-util.h: Use legacy passmanager namespace if
necessary
* libinterp/corefcn/pt-jit.h (class tree_jit): Use legacy passmanager
class if necessary
* libinterp/corefcn/pt-jit.cc: Include appropriate header files
* libinterp/corefcn/pt-jit.cc (tree_jit::initialize): Use legacy
passmanager if necessary
* libinterp/corefcn/pt-jit.cc (tree_jit::optimize): Use correct API
* libinterp/corefcn/jit-typeinfo.cc: Include appropriate header file
author | Stefan Mahr <dac922@gmx.de> |
---|---|
date | Sun, 11 May 2014 02:28:33 +0200 |
parents | d63878346099 |
children | 4197fc428c7d |
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## Copyright (C) 2012-2013 Rik Wehbring ## Copyright (C) 2012-2013 Carnë Draug ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or (at ## your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {} rgbplot (@var{cmap}) ## @deftypefnx {Function File} {} rgbplot (@var{cmap}, @var{style}) ## @deftypefnx {Function File} {@var{h} =} rgbplot (@dots{}) ## Plot the components of a colormap. ## ## Two different @var{style}s are available for displaying the @var{cmap}: ## ## @table @asis ## @item profile (default) ## Plot the RGB line profile of the colormap for each of the channels (red, ## green and blue) with the plot lines colored appropriately. Each line ## represents the intensity of each RGB components across the colormap. ## ## @item composite ## Draw the colormap across the X-axis so that the actual index colors are ## visible rather than the individual color components. ## ## @end table ## ## The optional return value @var{h} is a graphics handle to the created plot. ## ## Run @code{demo rgbplot} to see an example of @code{rgbplot} and each style ## option. ## @seealso{colormap} ## @end deftypefn function h = rgbplot (cmap, style = "profile") if (nargin < 1 || nargin > 2) print_usage (); endif if (! iscolormap (cmap)) error ("rgbplot: CMAP must be a valid colormap"); elseif (! ischar (style)) error ("rgbplot: STYLE must be a string"); endif switch (tolower (style)) case "profile" htmp = plot (cmap(:,1),"r", cmap(:,2),"g", cmap(:,3),"b"); set (gca, 'ytick', 0:0.1:1); case "composite" htmp = image (1:rows(cmap)); set (gca, 'ytick', []); colormap (cmap); otherwise error ("rgbplot: unknown style '%s'", style); endswitch xlabel ("color index"); if (nargout > 0) h = htmp; endif endfunction %!demo %! clf; %! subplot (1, 2, 1); %! rgbplot (ocean, "profile"); %! subplot (1, 2, 2); %! rgbplot (ocean, "composite"); %% Test input validation %!error rgbplot () %!error rgbplot (1,2) %!error <CMAP must be a valid colormap> rgbplot ({0 1 0}) %!error <STYLE must be a string> rgbplot ([0 1 0], 2) %!error <unknown style 'nostyle'> rgbplot ([0 1 0], "nostyle")