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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import <AppKit/AppKit.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
// This is a simple helper app that changes the color sync profile to the
// generic profile and back when done. This program is managed by the layout
// test script, so it can do the job for multiple DumpRenderTree while they are
// running layout tests.
static CMProfileRef userColorProfile = 0;
static void saveCurrentColorProfile()
{
CGDirectDisplayID displayID = CGMainDisplayID();
CMProfileRef previousProfile;
CMError error = CMGetProfileByAVID((UInt32)displayID, &previousProfile);
if (error) {
NSLog(@"failed to get the current color profile, pixmaps won't match. "
@"Error: %d", (int)error);
} else {
userColorProfile = previousProfile;
}
}
static void installLayoutTestColorProfile()
{
// To make sure we get consistent colors (not dependent on the Main display),
// we force the generic rgb color profile. This cases a change the user can
// see.
CGDirectDisplayID displayID = CGMainDisplayID();
NSColorSpace* genericSpace = [NSColorSpace genericRGBColorSpace];
CMProfileRef genericProfile = (CMProfileRef)[genericSpace colorSyncProfile];
CMError error = CMSetProfileByAVID((UInt32)displayID, genericProfile);
if (error) {
NSLog(@"failed install the generic color profile, pixmaps won't match. "
@"Error: %d", (int)error);
}
}
static void restoreUserColorProfile(void)
{
if (!userColorProfile)
return;
CGDirectDisplayID displayID = CGMainDisplayID();
CMError error = CMSetProfileByAVID((UInt32)displayID, userColorProfile);
CMCloseProfile(userColorProfile);
if (error) {
NSLog(@"Failed to restore color profile, use System Preferences -> "
@"Displays -> Color to reset. Error: %d", (int)error);
}
userColorProfile = 0;
}
static void simpleSignalHandler(int sig)
{
// Try to restore the color profile and try to go down cleanly
restoreUserColorProfile();
exit(128 + sig);
}
int main(int argc, char* argv[])
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
// Hooks the ways we might get told to clean up...
signal(SIGINT, simpleSignalHandler);
signal(SIGHUP, simpleSignalHandler);
signal(SIGTERM, simpleSignalHandler);
// Save off the current profile, and then install the layout test profile.
saveCurrentColorProfile();
installLayoutTestColorProfile();
// Let the script know we're ready
printf("ready\n");
fflush(stdout);
// Wait for any key (or signal)
getchar();
// Restore the profile
restoreUserColorProfile();
[pool release];
return 0;
}
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