WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm
changeset 2 303757a437d3
parent 0 4f2f89ce4247
--- a/WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm	Fri Sep 17 09:02:29 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,279 +0,0 @@
-/*
- * 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 "config.h"
-#include "PixelDumpSupport.h"
-#include "PixelDumpSupportCG.h"
-
-#include "DumpRenderTree.h" 
-#include "LayoutTestController.h"
-#include <CoreGraphics/CGBitmapContext.h>
-#include <wtf/Assertions.h>
-#include <wtf/RefPtr.h>
-
-#import <WebKit/WebCoreStatistics.h>
-#import <WebKit/WebDocumentPrivate.h>
-#import <WebKit/WebHTMLViewPrivate.h>
-#import <WebKit/WebKit.h>
-#import <WebKit/WebViewPrivate.h>
-
-#if defined(BUILDING_ON_TIGER)
-#include <OpenGL/OpenGL.h>
-#include <OpenGL/CGLMacro.h>
-#endif
-
-// To ensure pixel tests consistency, we need to always render in the same colorspace.
-// Unfortunately, because of AppKit / WebKit constraints, we can't render directly in the colorspace of our choice.
-// This implies we have to temporarily change the profile of the main display to the colorspace we want to render into.
-// We also need to make sure the CGBitmapContext we return is in that same colorspace.
-
-#define PROFILE_PATH "/System/Library/ColorSync/Profiles/Generic RGB Profile.icc" // FIXME: This cannot be more than CS_MAX_PATH (256 characters)
-
-static CMProfileLocation sInitialProfileLocation; // The locType field is initialized to 0 which is the same as cmNoProfileBase
-
-void restoreMainDisplayColorProfile(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 (sInitialProfileLocation.locType != cmNoProfileBase) {
-        const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
-        int error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &sInitialProfileLocation);
-        if (error)
-            fprintf(stderr, "Failed to restore initial color profile for main display! Open System Preferences > Displays > Color and manually re-select the profile.  (Error: %i)", error);
-        sInitialProfileLocation.locType = cmNoProfileBase;
-    }
-}
-
-void setupMainDisplayColorProfile()
-{
-    const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost };
-    int error;
-    
-    CMProfileRef profile = 0;
-    error = CMGetProfileByAVID((CMDisplayIDType)kCGDirectMainDisplay, &profile);
-    if (!error) {
-        UInt32 size = sizeof(CMProfileLocation);
-        error = NCMGetProfileLocation(profile, &sInitialProfileLocation, &size);
-        CMCloseProfile(profile);
-    }
-    if (error) {
-        fprintf(stderr, "Failed to retrieve current color profile for main display, thus it won't be changed.  Many pixel tests may fail as a result.  (Error: %i)", error);
-        sInitialProfileLocation.locType = cmNoProfileBase;
-        return;
-    }
-    
-    CMProfileLocation location;
-    location.locType = cmPathBasedProfile;
-    strcpy(location.u.pathLoc.path, PROFILE_PATH);
-    error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &location);
-    if (error) {
-        fprintf(stderr, "Failed to set color profile for main display!  Many pixel tests may fail as a result.  (Error: %i)", error);
-        sInitialProfileLocation.locType = cmNoProfileBase;
-        return;
-    }
-    
-    // Other signals are handled in installSignalHandlers() which also calls restoreMainDisplayColorProfile()
-    signal(SIGINT, restoreMainDisplayColorProfile);
-    signal(SIGHUP, restoreMainDisplayColorProfile);
-    signal(SIGTERM, restoreMainDisplayColorProfile);
-}
-
-static PassRefPtr<BitmapContext> createBitmapContext(size_t pixelsWide, size_t pixelsHigh, size_t& rowBytes, void*& buffer)
-{
-    rowBytes = (4 * pixelsWide + 63) & ~63; // Use a multiple of 64 bytes to improve CG performance
-
-    buffer = calloc(pixelsHigh, rowBytes);
-    if (!buffer)
-        return 0;
-    
-    static CGColorSpaceRef colorSpace = 0;
-    if (!colorSpace) {
-        CMProfileLocation location;
-        location.locType = cmPathBasedProfile;
-        strcpy(location.u.pathLoc.path, PROFILE_PATH);
-        CMProfileRef profile;
-        if (CMOpenProfile(&profile, &location) == noErr) {
-            colorSpace = CGColorSpaceCreateWithPlatformColorSpace(profile);
-            CMCloseProfile(profile);
-        }
-    }
-    
-    CGContextRef context = CGBitmapContextCreate(buffer, pixelsWide, pixelsHigh, 8, rowBytes, colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host); // Use ARGB8 on PPC or BGRA8 on X86 to improve CG performance
-    if (!context) {
-        free(buffer);
-        return 0;
-    }
-
-    return BitmapContext::createByAdoptingBitmapAndContext(buffer, context);
-}
-
-PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect)
-{
-    WebView* view = [mainFrame webView];
-
-    // If the WebHTMLView uses accelerated compositing, we need for force the on-screen capture path
-    // and also force Core Animation to start its animations with -display since the DRT window has autodisplay disabled.
-    if ([view _isUsingAcceleratedCompositing])
-        onscreen = YES;
-
-    NSSize webViewSize = [view frame].size;
-    size_t pixelsWide = static_cast<size_t>(webViewSize.width);
-    size_t pixelsHigh = static_cast<size_t>(webViewSize.height);
-    size_t rowBytes = 0;
-    void* buffer = 0;
-    RefPtr<BitmapContext> bitmapContext = createBitmapContext(pixelsWide, pixelsHigh, rowBytes, buffer);
-    if (!bitmapContext)
-        return 0;
-    CGContextRef context = bitmapContext->cgContext();
-
-    NSGraphicsContext *nsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
-    ASSERT(nsContext);
-    
-    if (incrementalRepaint) {
-        if (sweepHorizontally) {
-            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];
-        }
-    } else {
-
-        if (onscreen) {
-#if !defined(BUILDING_ON_TIGER)
-            // displayIfNeeded does not update the CA layers if the layer-hosting view was not marked as needing display, so
-            // we're at the mercy of CA's display-link callback to update layers in time. So we need to force a display of the view
-            // to get AppKit to update the CA layers synchronously.
-            // FIXME: this will break repaint testing if we have compositing in repaint tests
-            // (displayWebView() painted gray over the webview, but we'll be making everything repaint again).
-            [view display];
-
-            // Ask the window server to provide us a composited version of the *real* window content including surfaces (i.e. OpenGL content)
-            // Note that the returned image might differ very slightly from the window backing because of dithering artifacts in the window server compositor
-            CGImageRef image = CGWindowListCreateImage(CGRectNull, kCGWindowListOptionIncludingWindow, [[view window] windowNumber], kCGWindowImageBoundsIgnoreFraming | kCGWindowImageShouldBeOpaque);
-            CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image);
-            CGImageRelease(image);
-#else
-            // On 10.4 and earlier, we have to move the window temporarily "onscreen" and read directly from the display framebuffer using OpenGL
-            // In this code path, we need to ensure the window is above any other window or captured result will be corrupted
-            
-            NSWindow *window = [view window];
-            int oldLevel = [window level];
-            NSRect oldFrame = [window frame];
-            
-            NSRect newFrame = [[[NSScreen screens] objectAtIndex:0] frame];
-            newFrame = NSMakeRect(newFrame.origin.x + (newFrame.size.width - oldFrame.size.width) / 2, newFrame.origin.y + (newFrame.size.height - oldFrame.size.height) / 2, oldFrame.size.width, oldFrame.size.height);
-            [window setLevel:NSScreenSaverWindowLevel];
-            [window setFrame:newFrame display:NO animate:NO];
-            
-            CGRect rect = CGRectMake(newFrame.origin.x, newFrame.origin.y, webViewSize.width, webViewSize.height);
-            CGDirectDisplayID displayID;
-            CGDisplayCount count;
-            if (CGGetDisplaysWithRect(rect, 1, &displayID, &count) == kCGErrorSuccess) {
-                CGRect bounds = CGDisplayBounds(displayID);
-                rect.origin.x -= bounds.origin.x;
-                rect.origin.y -= bounds.origin.y;
-                
-                CGLPixelFormatAttribute attributes[] = {kCGLPFAAccelerated, kCGLPFANoRecovery, kCGLPFAFullScreen, kCGLPFADisplayMask, (CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(displayID), (CGLPixelFormatAttribute)0};
-                CGLPixelFormatObj pixelFormat;
-                GLint num;
-                if (CGLChoosePixelFormat(attributes, &pixelFormat, &num) == kCGLNoError) {
-                    CGLContextObj cgl_ctx;
-                    if (CGLCreateContext(pixelFormat, 0, &cgl_ctx) == kCGLNoError) {
-                        if (CGLSetFullScreen(cgl_ctx) == kCGLNoError) {
-                            void *flipBuffer = calloc(pixelsHigh, rowBytes);
-                            if (flipBuffer) {
-                                glPixelStorei(GL_PACK_ROW_LENGTH, rowBytes / 4);
-                                glPixelStorei(GL_PACK_ALIGNMENT, 4);
-#if __BIG_ENDIAN__
-                                glReadPixels(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, flipBuffer);
-#else
-                                glReadPixels(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, flipBuffer);
-#endif
-                                if (!glGetError()) {
-                                    for(size_t i = 0; i < pixelsHigh; ++i)
-                                    bcopy((char*)flipBuffer + rowBytes * i, (char*)buffer + rowBytes * (pixelsHigh - i - 1), pixelsWide * 4);
-                                }
-                                
-                                free(flipBuffer);
-                            }
-                        }
-                        CGLDestroyContext(cgl_ctx);
-                    }
-                    CGLDestroyPixelFormat(pixelFormat);
-                }
-            }
-            
-            [window setFrame:oldFrame display:NO animate:NO];
-            [window setLevel:oldLevel];
-#endif
-        } else {
-            // Make sure the view has been painted.
-            [view displayIfNeeded];
-
-            // Grab directly the contents of the window backing buffer (this ignores any surfaces on the window)
-            // FIXME: This path is suboptimal: data is read from window backing store, converted to RGB8 then drawn again into an RGBA8 bitmap
-            [view lockFocus];
-            NSBitmapImageRep *imageRep = [[[NSBitmapImageRep alloc] initWithFocusedViewRect:[view frame]] autorelease];
-            [view unlockFocus];
-
-            RetainPtr<NSGraphicsContext> savedContext = [NSGraphicsContext currentContext];
-            [NSGraphicsContext setCurrentContext:nsContext];
-            [imageRep draw];
-            [NSGraphicsContext setCurrentContext:savedContext.get()];
-        }
-    }
-
-    if (drawSelectionRect) {
-        NSView *documentView = [[mainFrame frameView] documentView];
-        ASSERT([documentView conformsToProtocol:@protocol(WebDocumentSelection)]);
-        NSRect rect = [documentView convertRect:[(id <WebDocumentSelection>)documentView selectionRect] fromView:nil];
-        CGContextSaveGState(context);
-        CGContextSetLineWidth(context, 1.0);
-        CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0);
-        CGContextStrokeRect(context, CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height));
-        CGContextRestoreGState(context);
-    }
-    
-    return bitmapContext.release();
-}
-
-PassRefPtr<BitmapContext> createPagedBitmapContext()
-{
-    int pageWidthInPixels = LayoutTestController::maxViewWidth;
-    int pageHeightInPixels = LayoutTestController::maxViewHeight;
-    int numberOfPages = [mainFrame numberOfPages:pageWidthInPixels:pageHeightInPixels];
-    size_t rowBytes = 0;
-    void* buffer = 0;
-
-    RefPtr<BitmapContext> bitmapContext = createBitmapContext(pageWidthInPixels, numberOfPages * (pageHeightInPixels + 1) - 1, rowBytes, buffer);
-    [mainFrame printToCGContext:bitmapContext->cgContext():pageWidthInPixels:pageHeightInPixels];
-    return bitmapContext.release();
-}