Mercurial > octave
view libinterp/corefcn/display.h @ 21139:538b57866b90
consistently use "typename" intead of "class" in template declarations
* Object.h, QtHandlesUtils.cc, QtHandlesUtils.h, ToolBarButton.cc,
ToolBarButton.h, Cell.h, __lin_interpn__.cc, bitfcns.cc, bsxfun.cc,
cellfun.cc, data.cc, filter.cc, gcd.cc, graphics.cc, help.cc, kron.cc,
lookup.cc, ls-mat5.cc, ls-oct-text.h, lu.cc, max.cc, mgorth.cc,
oct-map.cc, oct-map.h, oct-stream.cc, oct-stream.h, octave-link.h,
pr-output.cc, profiler.h, schur.cc, sparse-xdiv.cc, sparse-xpow.cc,
sqrtm.cc, symtab.h, tril.cc, typecast.cc, variables.cc, xdiv.cc,
zfstream.h, __init_fltk__.cc, __magick_read__.cc, chol.cc, qr.cc,
ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.h, ov-classdef.cc,
ov-int-traits.h, ov-java.h, ov-usr-fcn.h, ov.cc, ov.h,
op-dms-template.cc, oct-parse.in.yy, parse.h, pt-mat.cc, Array-b.cc,
Array.cc, Array.h, CDiagMatrix.h, CMatrix.h, CNDArray.h,
DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.cc,
MDiagArray2.h, MSparse.cc, MSparse.h, MatrixType.cc, Sparse.cc,
Sparse.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, fCDiagMatrix.h,
fCMatrix.h, fCNDArray.h, fDiagMatrix.h, fMatrix.h, fNDArray.h,
idx-vector.cc, idx-vector.h, intNDArray.cc, intNDArray.h, DET.h,
base-aepbal.h, base-lu.cc, base-lu.h, base-qr.cc, base-qr.h,
bsxfun-defs.cc, eigs-base.cc, lo-mappers.h, lo-specfun.cc,
lo-specfun.h, oct-convn.cc, oct-fftw.cc, oct-norm.cc,
sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc,
sparse-base-lu.h, sparse-dmsolve.cc, mx-inlines.cc,
action-container.h, base-list.h, lo-traits.h, lo-utils.h,
oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-sort.cc, oct-sort.h:
Use "typename" instead of "class" in template declarations.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sun, 24 Jan 2016 13:50:04 -0500 |
parents | ecb95c6384f2 |
children | 1473547f50f5 |
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/* Copyright (C) 2009-2015 John W. Eaton 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/>. */ #if ! defined (octave_display_h) #define octave_display_h 1 #include <string> class Matrix; class OCTINTERP_API display_info { protected: display_info (bool query = true) : ht (1), wd (1), dp (0), rx (72), ry (72), dpy_avail (false), err_msg () { init (query); } public: static int height (void) { return instance_ok () ? instance->do_height () : 0; } static int width (void) { return instance_ok () ? instance->do_width () : 0; } static int depth (void) { return instance_ok () ? instance->do_depth () : 0; } static double x_dpi (void) { return instance_ok () ? instance->do_x_dpi () : 0; } static double y_dpi (void) { return instance_ok () ? instance->do_y_dpi () : 0; } static bool display_available (void) { std::string msg; return instance_ok () ? instance->do_display_available (msg) : false; } static bool display_available (std::string& msg) { return instance_ok () ? instance->do_display_available (msg) : false; } // To disable querying the window system for defaults, this function // must be called before any other display_info function. static void no_window_system (void) { instance_ok (false); } private: static display_info *instance; static void cleanup_instance (void) { delete instance; instance = 0; } // Height, width, and depth of the display. int ht; int wd; int dp; // X- and Y- Resolution of the display in dots (pixels) per inch. double rx; double ry; bool dpy_avail; std::string err_msg; int do_height (void) const { return ht; } int do_width (void) const { return wd; } int do_depth (void) const { return dp; } double do_x_dpi (void) const { return rx; } double do_y_dpi (void) const { return ry; } bool do_display_available (std::string& msg) const { msg = err_msg; return dpy_avail; } void init (bool query = true); static bool instance_ok (bool query = true); }; #endif