105 lines
4.0 KiB
Matlab
105 lines
4.0 KiB
Matlab
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Cocoa/NSOpenGL
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// API Version: 2.7
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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//========================================================================
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// Check whether the display mode should be included in enumeration
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//========================================================================
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static BOOL modeIsGood( NSDictionary *mode )
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{
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// This is a bit controversial, if you've got something other than an
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// LCD computer monitor as an output device you might not want these
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// checks. You might also want to reject modes which are interlaced,
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// or TV out. There is no one-size-fits-all policy that can work here.
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// This seems like a decent compromise, but certain applications may
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// wish to patch this...
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return [[mode objectForKey:(id)kCGDisplayBitsPerPixel] intValue] >= 15 &&
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[mode objectForKey:(id)kCGDisplayModeIsSafeForHardware] != nil &&
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[mode objectForKey:(id)kCGDisplayModeIsStretched] == nil;
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}
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//========================================================================
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// Convert Core Graphics display mode to GLFW video mode
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//========================================================================
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static GLFWvidmode vidmodeFromCGDisplayMode( NSDictionary *mode )
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{
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unsigned int width = [[mode objectForKey:(id)kCGDisplayWidth] unsignedIntValue];
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unsigned int height = [[mode objectForKey:(id)kCGDisplayHeight] unsignedIntValue];
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unsigned int bps = [[mode objectForKey:(id)kCGDisplayBitsPerSample] unsignedIntValue];
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GLFWvidmode result;
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result.Width = width;
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result.Height = height;
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result.RedBits = bps;
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result.GreenBits = bps;
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result.BlueBits = bps;
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return result;
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}
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//************************************************************************
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//**** Platform implementation functions ****
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//************************************************************************
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//========================================================================
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// Get a list of available video modes
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//========================================================================
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int _glfwPlatformGetVideoModes( GLFWvidmode *list, int maxcount )
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{
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NSArray *modes = (NSArray *)CGDisplayAvailableModes( CGMainDisplayID() );
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unsigned int i, j = 0, n = [modes count];
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for( i = 0; i < n && j < (unsigned)maxcount; i++ )
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{
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NSDictionary *mode = [modes objectAtIndex:i];
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if( modeIsGood( mode ) )
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{
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list[j++] = vidmodeFromCGDisplayMode( mode );
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}
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}
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return j;
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}
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//========================================================================
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// Get the desktop video mode
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//========================================================================
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void _glfwPlatformGetDesktopMode( GLFWvidmode *mode )
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{
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*mode = vidmodeFromCGDisplayMode( CGDisplayCurrentMode( CGMainDisplayID() ) );
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}
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