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/* screen_main -- GNUstep test program to ensure correct function of
the NSScreen class.
Copyright (C) 2000 Free Software Foundation, Inc.
Written by: Gregory John Casamento
Date: May 2000
This file is part of GNUstep
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
int main (int argc, const char *argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSApplication *anApplication = nil;
NSArray *screenArray = nil;
NSEnumerator *screenEnumerator = nil;
NSScreen *aScreen = nil;
const NSWindowDepth *depths = NULL;
BOOL exactMatch = NO;
// insert your code here
anApplication = [NSApplication sharedApplication];
screenArray = [NSScreen screens];
screenEnumerator = [screenArray objectEnumerator];
// Loop through all of the screens
puts("*************** List of all screens connected to the computer");
while((aScreen = [screenEnumerator nextObject]))
{
NSDictionary *deviceDescription = [aScreen deviceDescription];
NSValue *deviceSize = [deviceDescription objectForKey: NSDeviceSize],
*deviceResolution = [deviceDescription
objectForKey: NSDeviceResolution];
NSSize screenSize, screenResolution;
screenSize = [deviceSize sizeValue];
screenResolution = [deviceResolution sizeValue];
puts("**** Device description ****");
printf("%s\n",[[deviceDescription description] cString]);
puts("**** Size and Resolution information ****");
printf("Screen size is %f x %f\n",
screenSize.width, screenSize.height );
printf("Screen size in DPI is %f x %f\n",
screenResolution.width, screenResolution.height );
}
puts("\n**** Various other tests ****");
printf("Components = %d\n",
NSNumberOfColorComponents(NSCalibratedRGBColorSpace));
printf("NSBestDepth(NSCalibratedRGBColorSpace,8,32,YES,&exactMatch) = %d\n",
NSBestDepth(NSCalibratedRGBColorSpace, 8, 32, YES, &exactMatch));
printf("exactMatch = %d\n\n", exactMatch);
puts("************* Available window depths...");
depths = (NSWindowDepth *)NSAvailableWindowDepths();
if( depths != NULL )
{
int index = 0;
for( index = 0; depths[index] != 0; index++ )
{
printf("depths[%d]=%d\n",index,depths[index]);
printf("bits per sample = %d\n",
NSBitsPerSampleFromDepth(depths[index]));
printf("bits per pixel = %d\n",
NSBitsPerPixelFromDepth(depths[index]));
printf("color space = %s\n",
[NSColorSpaceFromDepth(depths[index]) cString]);
}
}
puts("\n************** Supported window depths...");
depths = [[NSScreen mainScreen] supportedWindowDepths];
if( depths != NULL )
{
int index = 0;
for( index = 0; depths[index] != 0; index++ )
{
printf("depths[%d]=%d\n",index,depths[index]);
printf("bits per sample = %d\n",
NSBitsPerSampleFromDepth(depths[index]));
printf("bits per pixel = %d\n",
NSBitsPerPixelFromDepth(depths[index]));
printf("color space = %s\n",
[NSColorSpaceFromDepth(depths[index]) cString]);
}
}
[pool release];
exit(0); // insure the process exit status is 0
return 0; // ...and make main fit the ANSI spec.
}
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