Mercurial > octave
view libinterp/corefcn/cdisplay.c @ 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 | e456327188f9 |
children | 40de9f8f23a6 |
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/* Copyright (C) 2009-2014 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/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdlib.h> #if defined (OCTAVE_USE_WINDOWS_API) #include <windows.h> #elif defined (HAVE_FRAMEWORK_CARBON) #include <Carbon/Carbon.h> #elif defined (HAVE_X_WINDOWS) #include <X11/Xlib.h> #endif #include "cdisplay.h" // Programming Note: This file exists so that we can hide system // header files that make heavy use of macros and C-style casts in a C // language file and avoid warnings about using old-style casts in C++. // Additionally, on OS X systems, including the Carbon.h header file // results in the declaration of a "panic" function that conflicts with // Octave's global panic function, so Carbon.h can't be included in any // file that also includes Octave's error.h header file. // Please do NOT eliminate this file and move code from here to // display.cc. const char * octave_get_display_info (int *ht, int *wd, int *dp, double *rx, double *ry, int *dpy_avail) { const char *msg = 0; *dpy_avail = 0; #if defined (OCTAVE_USE_WINDOWS_API) HDC hdc = GetDC (0); if (hdc) { *dp = GetDeviceCaps (hdc, BITSPIXEL); *ht = GetDeviceCaps (hdc, VERTRES); *wd = GetDeviceCaps (hdc, HORZRES); double ht_mm = GetDeviceCaps (hdc, VERTSIZE); double wd_mm = GetDeviceCaps (hdc, HORZSIZE); *rx = *wd * 25.4 / wd_mm; *ry = *ht * 25.4 / ht_mm; *dpy_avail = 1; } else msg = "no graphical display found"; #elif defined (HAVE_FRAMEWORK_CARBON) CGDirectDisplayID display = CGMainDisplayID (); if (display) { #if defined (HAVE_CARBON_CGDISPLAYBITSPERPIXEL) *dp = CGDisplayBitsPerPixel (display); #else /* FIXME: This will only work for MacOS > 10.5. For earlier versions this code is not needed (use CGDisplayBitsPerPixel instead). */ CGDisplayModeRef mode = CGDisplayCopyDisplayMode (display); CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding (mode); if (CFStringCompare (pixelEncoding, CFSTR (IO32BitDirectPixels), 0) == 0) *dp = 32; else if (CFStringCompare (pixelEncoding, CFSTR (IO16BitDirectPixels), 0) == 0) *dp = 16; else *dp = 8; #endif *ht = CGDisplayPixelsHigh (display); *wd = CGDisplayPixelsWide (display); CGSize sz_mm = CGDisplayScreenSize (display); /* For MacOS >= 10.6, CGSize is a struct keeping 2 CGFloat values, but the CGFloat typedef is not present on older systems, so use double instead. */ double ht_mm = sz_mm.height; double wd_mm = sz_mm.width; *rx = *wd * 25.4 / wd_mm; *ry = *ht * 25.4 / ht_mm; *dpy_avail = 1; } else msg = "no graphical display found"; #elif defined (HAVE_X_WINDOWS) const char *display_name = getenv ("DISPLAY"); if (display_name && *display_name) { Display *display = XOpenDisplay (display_name); if (display) { Screen *screen = DefaultScreenOfDisplay (display); if (screen) { *dp = DefaultDepthOfScreen (screen); *ht = HeightOfScreen (screen); *wd = WidthOfScreen (screen); int screen_number = XScreenNumberOfScreen (screen); double ht_mm = DisplayHeightMM (display, screen_number); double wd_mm = DisplayWidthMM (display, screen_number); *rx = *wd * 25.4 / wd_mm; *ry = *ht * 25.4 / ht_mm; } else msg = "X11 display has no default screen"; XCloseDisplay (display); *dpy_avail = 1; } else msg = "unable to open X11 DISPLAY"; } else msg = "X11 DISPLAY environment variable not set"; #else msg = "no graphical display found"; #endif return msg; }