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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/181910">181910</a></dd>
<dt>Author</dt> <dd>mitz@apple.com</dd>
<dt>Date</dt> <dd>2015-03-24 15:47:53 -0700 (Tue, 24 Mar 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>
Source/WebCore:
WebCore part of <rdar://problem/20282863> Transforms are flattened in snapshots of on-screen WKWebViews
https://bugs.webkit.org/show_bug.cgi?id=143023
Reviewed by Tim Horton.
* platform/spi/cocoa/QuartzCoreSPI.h: Added the declaration of
CARenderServerRenderLayerWithTransform.
Source/WebKit2:
WebKit2 part of <rdar://problem/20282863> Transforms are flattened in snapshots of on-screen WKWebViews
https://bugs.webkit.org/show_bug.cgi?id=143023
Reviewed by Tim Horton.
* UIProcess/API/Cocoa/WKWebView.mm:
(-[WKWebView _snapshotRect:intoImageOfWidth:completionHandler:]): If the view is in a
window, use CARenderServerRenderLayerWithTransform to synchronously capture a snapshot of
its layer tree into an IOSurfcae, then call the completion handler with an image created
from the IOSurface.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformspicocoaQuartzCoreSPIh">trunk/Source/WebCore/platform/spi/cocoa/QuartzCoreSPI.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICocoaWKWebViewmm">trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (181909 => 181910)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-03-24 21:50:32 UTC (rev 181909)
+++ trunk/Source/WebCore/ChangeLog 2015-03-24 22:47:53 UTC (rev 181910)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2015-03-24 Dan Bernstein <mitz@apple.com>
+
+ WebCore part of <rdar://problem/20282863> Transforms are flattened in snapshots of on-screen WKWebViews
+ https://bugs.webkit.org/show_bug.cgi?id=143023
+
+ Reviewed by Tim Horton.
+
+ * platform/spi/cocoa/QuartzCoreSPI.h: Added the declaration of
+ CARenderServerRenderLayerWithTransform.
+
</ins><span class="cx"> 2015-03-24 David Hyatt <hyatt@apple.com>
</span><span class="cx">
</span><span class="cx"> Disable layout dimensions optimization for RenderRegions
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformspicocoaQuartzCoreSPIh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/spi/cocoa/QuartzCoreSPI.h (181909 => 181910)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/spi/cocoa/QuartzCoreSPI.h 2015-03-24 21:50:32 UTC (rev 181909)
+++ trunk/Source/WebCore/platform/spi/cocoa/QuartzCoreSPI.h 2015-03-24 22:47:53 UTC (rev 181910)
</span><span class="lines">@@ -115,6 +115,8 @@
</span><span class="cx"> EXTERN_C void CARenderServerCaptureLayerWithTransform(mach_port_t serverPort, uint32_t clientId, uint64_t layerId,
</span><span class="cx"> uint32_t slotId, int32_t ox, int32_t oy, const CATransform3D *);
</span><span class="cx">
</span><ins>+EXTERN_C void CARenderServerRenderLayerWithTransform(mach_port_t server_port, uint32_t client_id, uint64_t layer_id, IOSurfaceRef iosurface, int32_t ox, int32_t oy, const CATransform3D *matrix);
+
</ins><span class="cx"> EXTERN_C NSString * const kCATiledLayerRemoveImmediately;
</span><span class="cx">
</span><span class="cx"> EXTERN_C NSString * const kCAFilterColorInvert;
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (181909 => 181910)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2015-03-24 21:50:32 UTC (rev 181909)
+++ trunk/Source/WebKit2/ChangeLog 2015-03-24 22:47:53 UTC (rev 181910)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2015-03-24 Dan Bernstein <mitz@apple.com>
+
+ WebKit2 part of <rdar://problem/20282863> Transforms are flattened in snapshots of on-screen WKWebViews
+ https://bugs.webkit.org/show_bug.cgi?id=143023
+
+ Reviewed by Tim Horton.
+
+ * UIProcess/API/Cocoa/WKWebView.mm:
+ (-[WKWebView _snapshotRect:intoImageOfWidth:completionHandler:]): If the view is in a
+ window, use CARenderServerRenderLayerWithTransform to synchronously capture a snapshot of
+ its layer tree into an IOSurfcae, then call the completion handler with an image created
+ from the IOSurface.
+
</ins><span class="cx"> 2015-03-24 Beth Dakin <bdakin@apple.com>
</span><span class="cx">
</span><span class="cx"> Add events related to force click gesture
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICocoaWKWebViewmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm (181909 => 181910)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm 2015-03-24 21:50:32 UTC (rev 181909)
+++ trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm 2015-03-24 22:47:53 UTC (rev 181910)
</span><span class="lines">@@ -77,6 +77,7 @@
</span><span class="cx"> #import "_WKWebsiteDataStoreInternal.h"
</span><span class="cx"> #import <JavaScriptCore/JSContext.h>
</span><span class="cx"> #import <JavaScriptCore/JSValue.h>
</span><ins>+#import <WebCore/IOSurface.h>
</ins><span class="cx"> #import <wtf/HashMap.h>
</span><span class="cx"> #import <wtf/MathExtras.h>
</span><span class="cx"> #import <wtf/NeverDestroyed.h>
</span><span class="lines">@@ -2502,7 +2503,27 @@
</span><span class="cx"> UIGraphicsEndImageContext();
</span><span class="cx"> return;
</span><span class="cx"> }
</span><del>-
</del><ins>+
+#if USE(IOSURFACE)
+ // If we are parented and thus won't incur a significant penalty from paging in tiles, snapshot the view hierarchy directly.
+ if (self.window) {
+ float deviceScaleFactor = _page->deviceScaleFactor();
+
+ CGRect imageRectInPoints;
+ imageRectInPoints.size.width = imageWidth / deviceScaleFactor;
+ imageRectInPoints.size.height = imageRectInPoints.size.width / rectInViewCoordinates.size.width * rectInViewCoordinates.size.height;
+ imageRectInPoints.origin.x = rectInViewCoordinates.origin.x / deviceScaleFactor;
+ imageRectInPoints.origin.y = rectInViewCoordinates.origin.y / deviceScaleFactor;
+
+ auto surface = WebCore::IOSurface::create(WebCore::expandedIntSize(WebCore::FloatSize(imageSize)), WebCore::ColorSpaceDeviceRGB);
+ CATransform3D transform = CATransform3DMakeScale(deviceScaleFactor, deviceScaleFactor, 1);
+ CARenderServerRenderLayerWithTransform(MACH_PORT_NULL, self.layer.context.contextId, reinterpret_cast<uint64_t>(self.layer), surface->surface(), 0, 0, &transform);
+ completionHandler(surface->createImage().get());
+
+ return;
+ }
+#endif
+
</ins><span class="cx"> void(^copiedCompletionHandler)(CGImageRef) = [completionHandler copy];
</span><span class="cx"> _page->takeSnapshot(WebCore::enclosingIntRect(snapshotRectInContentCoordinates), WebCore::expandedIntSize(WebCore::FloatSize(imageSize)), WebKit::SnapshotOptionsExcludeDeviceScaleFactor, [=](const WebKit::ShareableBitmap::Handle& imageHandle, WebKit::CallbackBase::Error) {
</span><span class="cx"> if (imageHandle.isNull()) {
</span></span></pre>
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