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/*
* Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
* (C) 2007 Graham Dennis (graham.dennis@gmail.com)
* (C) 2007 Eric Seidel <eric@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
*/
#include "DumpRenderTree.h"
#include "PixelDumpSupport.h"
#include "PixelDumpSupportCG.h"
#include "LayoutTestController.h"
#include <CoreGraphics/CGBitmapContext.h>
#include <wtf/Assertions.h>
#include <wtf/RetainPtr.h>
#import <WebKit/WebDocumentPrivate.h>
#import <WebKit/WebKit.h>
static unsigned char* screenCaptureBuffer;
static bool changedColorProfile = false;
static CMProfileLocation currentColorProfileLocation;
static CGColorSpaceRef sharedColorSpace;
void restoreColorSpace(int ignored)
{
// 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 (changedColorProfile) {
CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
int error = CMSetDeviceProfile(cmDisplayDeviceClass, cmDefaultDeviceID, &scope, cmDefaultProfileID, ¤tColorProfileLocation);
if (error)
fprintf(stderr, "Failed to retore previous color profile! You may need to open System Preferences : Displays : Color and manually restore your color settings. (Error: %i)", error);
changedColorProfile = false;
}
}
static void failedGettingCurrentProfile(int error)
{
fprintf(stderr, "Failed to get current color profile. I will not be able to restore your current profile, thus I'm not changing it. Many pixel tests may fail as a result. (Error: %i)\n", error);
}
static void setDefaultColorProfileToRGB()
{
CMProfileRef genericProfile = (CMProfileRef)[[NSColorSpace genericRGBColorSpace] colorSyncProfile];
CMProfileLocation genericProfileLocation;
UInt32 locationSize = sizeof(genericProfileLocation);
int error = NCMGetProfileLocation(genericProfile, &genericProfileLocation, &locationSize);
if (error) {
failedGettingCurrentProfile(error);
return;
}
CMProfileLocation previousProfileLocation;
error = CMGetDeviceProfile(cmDisplayDeviceClass, cmDefaultDeviceID, cmDefaultProfileID, &previousProfileLocation);
if (error) {
failedGettingCurrentProfile(error);
return;
}
CMProfileRef previousProfile;
error = CMOpenProfile(&previousProfile, &previousProfileLocation);
if (error) {
failedGettingCurrentProfile(error);
return;
}
CFStringRef previousProfileName;
CFStringRef genericProfileName;
char previousProfileNameString[1024];
char genericProfileNameString[1024];
CMCopyProfileDescriptionString(previousProfile, &previousProfileName);
CMCopyProfileDescriptionString(genericProfile, &genericProfileName);
CFStringGetCString(previousProfileName, previousProfileNameString, sizeof(previousProfileNameString), kCFStringEncodingUTF8);
CFStringGetCString(genericProfileName, genericProfileNameString, sizeof(previousProfileNameString), kCFStringEncodingUTF8);
CFRelease(previousProfileName);
CFRelease(genericProfileName);
CMCloseProfile(previousProfile);
fprintf(stderr, "\n\nWARNING: Temporarily changing your system color profile from \"%s\" to \"%s\".\n", previousProfileNameString, genericProfileNameString);
fprintf(stderr, "This allows the WebKit pixel-based regression tests to have consistent color values across all machines.\n");
fprintf(stderr, "The colors on your screen will change for the duration of the testing.\n\n");
CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
if ((error = CMSetDeviceProfile(cmDisplayDeviceClass, cmDefaultDeviceID, &scope, cmDefaultProfileID, &genericProfileLocation))) {
fprintf(stderr, "Failed to set color profile to \"%s\"! Many pixel tests will fail as a result. (Error: %i)",
genericProfileNameString, error);
} else {
currentColorProfileLocation = previousProfileLocation;
changedColorProfile = true;
signal(SIGINT, restoreColorSpace);
signal(SIGHUP, restoreColorSpace);
signal(SIGTERM, restoreColorSpace);
}
}
void initializeColorSpaceAndScreeBufferForPixelTests()
{
setDefaultColorProfileToRGB();
screenCaptureBuffer = (unsigned char *)malloc(maxViewHeight * maxViewWidth * 4);
sharedColorSpace = CGColorSpaceCreateDeviceRGB();
}
// Declared in PixelDumpSupportCG.h
RetainPtr<CGContextRef> getBitmapContextFromWebView()
{
NSSize webViewSize = [[mainFrame webView] frame].size;
return RetainPtr<CGContextRef>(AdoptCF, CGBitmapContextCreate(screenCaptureBuffer, static_cast<size_t>(webViewSize.width), static_cast<size_t>(webViewSize.height), 8, static_cast<size_t>(webViewSize.width) * 4, sharedColorSpace, kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedLast));
}
void paintWebView(CGContextRef context)
{
RetainPtr<NSGraphicsContext> savedContext = [NSGraphicsContext currentContext];
NSGraphicsContext* nsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
[NSGraphicsContext setCurrentContext:nsContext];
WebView* view = [mainFrame webView];
[view displayIfNeeded];
[view lockFocus];
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithFocusedViewRect:[view frame]];
[view unlockFocus];
[imageRep draw];
[imageRep release];
[NSGraphicsContext setCurrentContext:savedContext.get()];
}
void repaintWebView(CGContextRef context, bool horizontal)
{
RetainPtr<NSGraphicsContext> savedContext = [NSGraphicsContext currentContext];
NSGraphicsContext* nsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
[NSGraphicsContext setCurrentContext:nsContext];
WebView *view = [mainFrame webView];
NSSize webViewSize = [view frame].size;
if (horizontal) {
for (NSRect column = NSMakeRect(0, 0, 1, webViewSize.height); column.origin.x < webViewSize.width; column.origin.x++)
[view displayRectIgnoringOpacity:column inContext:nsContext];
} else {
for (NSRect line = NSMakeRect(0, 0, webViewSize.width, 1); line.origin.y < webViewSize.height; line.origin.y++)
[view displayRectIgnoringOpacity:line inContext:nsContext];
}
[NSGraphicsContext setCurrentContext:savedContext.get()];
}
CGRect getSelectionRect()
{
NSView *documentView = [[mainFrame frameView] documentView];
if ([documentView conformsToProtocol:@protocol(WebDocumentSelection)]) {
NSRect rect = [documentView convertRect:[(id <WebDocumentSelection>)documentView selectionRect] fromView:nil];
return CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
}
ASSERT_NOT_REACHED();
return CGRectZero;
}
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