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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2012 Apple Inc.
*
* 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.
namespace {
#if defined(MAC_OS_X_VERSION_10_7) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
CFURLRef sUserColorProfileURL;
void installLayoutTestColorProfile()
{
// To make sure we get consistent colors (not dependent on the chosen color
// space of the main display), we force the generic RGB color profile.
// This causes a change the user can see.
CFUUIDRef mainDisplayID = CGDisplayCreateUUIDFromDisplayID(CGMainDisplayID());
if (!sUserColorProfileURL) {
CFDictionaryRef deviceInfo = ColorSyncDeviceCopyDeviceInfo(kColorSyncDisplayDeviceClass, mainDisplayID);
if (!deviceInfo) {
NSLog(@"No display attached to system; not setting main display's color profile.");
CFRelease(mainDisplayID);
return;
}
CFDictionaryRef profileInfo = (CFDictionaryRef)CFDictionaryGetValue(deviceInfo, kColorSyncCustomProfiles);
if (profileInfo) {
sUserColorProfileURL = (CFURLRef)CFDictionaryGetValue(profileInfo, CFSTR("1"));
CFRetain(sUserColorProfileURL);
} else {
profileInfo = (CFDictionaryRef)CFDictionaryGetValue(deviceInfo, kColorSyncFactoryProfiles);
CFDictionaryRef factoryProfile = (CFDictionaryRef)CFDictionaryGetValue(profileInfo, CFSTR("1"));
sUserColorProfileURL = (CFURLRef)CFDictionaryGetValue(factoryProfile, kColorSyncDeviceProfileURL);
CFRetain(sUserColorProfileURL);
}
CFRelease(deviceInfo);
}
ColorSyncProfileRef genericRGBProfile = ColorSyncProfileCreateWithName(kColorSyncGenericRGBProfile);
CFErrorRef error;
CFURLRef profileURL = ColorSyncProfileGetURL(genericRGBProfile, &error);
if (!profileURL) {
NSLog(@"Failed to get URL of Generic RGB color profile! Many pixel tests may fail as a result. Error: %@", error);
if (sUserColorProfileURL) {
CFRelease(sUserColorProfileURL);
sUserColorProfileURL = 0;
}
CFRelease(genericRGBProfile);
CFRelease(mainDisplayID);
return;
}
CFMutableDictionaryRef profileInfo = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(profileInfo, kColorSyncDeviceDefaultProfileID, profileURL);
if (!ColorSyncDeviceSetCustomProfiles(kColorSyncDisplayDeviceClass, mainDisplayID, profileInfo)) {
NSLog(@"Failed to set color profile for main display! Many pixel tests may fail as a result.");
if (sUserColorProfileURL) {
CFRelease(sUserColorProfileURL);
sUserColorProfileURL = 0;
}
}
CFRelease(profileInfo);
CFRelease(genericRGBProfile);
CFRelease(mainDisplayID);
}
void restoreUserColorProfile(void)
{
// This is used as a signal handler, and thus the calls into ColorSync are unsafe.
// But we might as well try to restore the user's color profile, we're going down anyway...
if (!sUserColorProfileURL)
return;
CFUUIDRef mainDisplayID = CGDisplayCreateUUIDFromDisplayID(CGMainDisplayID());
CFMutableDictionaryRef profileInfo = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(profileInfo, kColorSyncDeviceDefaultProfileID, sUserColorProfileURL);
ColorSyncDeviceSetCustomProfiles(kColorSyncDisplayDeviceClass, mainDisplayID, profileInfo);
CFRelease(mainDisplayID);
CFRelease(profileInfo);
}
#else // For Snow Leopard and before, use older CM* API.
const char colorProfilePath[] = "/System/Library/ColorSync/Profiles/Generic RGB Profile.icc";
CMProfileLocation initialColorProfileLocation; // The locType field is initialized to 0 which is the same as cmNoProfileBase.
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.
const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
CMProfileRef profile = 0;
int error = CMGetProfileByAVID((CMDisplayIDType)kCGDirectMainDisplay, &profile);
if (!error) {
UInt32 size = sizeof(initialColorProfileLocation);
error = NCMGetProfileLocation(profile, &initialColorProfileLocation, &size);
CMCloseProfile(profile);
}
if (error) {
NSLog(@"failed to get the current color profile, pixmaps won't match. Error: %d", (int)error);
initialColorProfileLocation.locType = cmNoProfileBase;
return;
}
CMProfileLocation location;
location.locType = cmPathBasedProfile;
strncpy(location.u.pathLoc.path, colorProfilePath, sizeof(location.u.pathLoc.path));
error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &location);
if (error) {
NSLog(@"failed install the generic color profile, pixmaps won't match. Error: %d", (int)error);
initialColorProfileLocation.locType = cmNoProfileBase;
}
}
void restoreUserColorProfile(void)
{
// This is used as a signal handler, and thus the calls into ColorSync are unsafe.
// But we might as well try to restore the user's color profile, we're going down anyway...
if (initialColorProfileLocation.locType != cmNoProfileBase) {
const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
int error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &initialColorProfileLocation);
if (error) {
NSLog(@"Failed to restore color profile, use System Preferences -> Displays -> Color to reset. Error: %d", (int)error);
}
initialColorProfileLocation.locType = cmNoProfileBase;
}
}
#endif
void simpleSignalHandler(int sig)
{
// Try to restore the color profile and try to go down cleanly
restoreUserColorProfile();
exit(128 + sig);
}
} // namespace
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.
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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