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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/163509">163509</a></dd>
<dt>Author</dt> <dd>simon.fraser@apple.com</dd>
<dt>Date</dt> <dd>2014-02-05 20:31:46 -0800 (Wed, 05 Feb 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Support encoding and decoding of Regions
https://bugs.webkit.org/show_bug.cgi?id=128284
Source/WebCore:
Reviewed by Anders Carlsson.
Region changes to make it encodable:
Make Region::Span public and give it a default constructor.
Allow getting and setting of Shape internals, and a way to update
the Region bounds after changing the shape. Also add a way to test
for valid spans and segments.
* platform/graphics/Region.cpp:
(WebCore::Region::Shape::isValid):
(WebCore::Region::updateBoundsFromShape):
* platform/graphics/Region.h:
(WebCore::Region::isValid):
(WebCore::Region::Span::Span):
(WebCore::Region::shapeSegments):
(WebCore::Region::shapeSpans):
(WebCore::Region::setShapeSegments):
(WebCore::Region::setShapeSpans):
(WebCore::Region::Shape::segments):
(WebCore::Region::Shape::spans):
(WebCore::Region::Shape::setSegments):
(WebCore::Region::Shape::setSpans):
Source/WebKit2:
Reviewed by Anders Carlsson.
Support encoding and decoding of Region, and its internal
struct Region::Span.
ArgumentCoders had to be taught about how to encode
Vectors with inline capacity.
* Platform/IPC/ArgumentCoders.h:
* Shared/WebCoreArgumentCoders.cpp:
(IPC::ArgumentCoder<Region::Span>::encode):
(IPC::ArgumentCoder<Region::Span>::decode):
(IPC::ArgumentCoder<Region>::encode):
(IPC::ArgumentCoder<Region>::decode):
* Shared/WebCoreArgumentCoders.h:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsRegioncpp">trunk/Source/WebCore/platform/graphics/Region.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsRegionh">trunk/Source/WebCore/platform/graphics/Region.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2PlatformIPCArgumentCodersh">trunk/Source/WebKit2/Platform/IPC/ArgumentCoders.h</a></li>
<li><a href="#trunkSourceWebKit2SharedWebCoreArgumentCoderscpp">trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedWebCoreArgumentCodersh">trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebCore/ChangeLog 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -1,3 +1,32 @@
</span><ins>+2014-02-05 Simon Fraser <simon.fraser@apple.com>
+
+ Support encoding and decoding of Regions
+ https://bugs.webkit.org/show_bug.cgi?id=128284
+
+ Reviewed by Anders Carlsson.
+
+ Region changes to make it encodable:
+
+ Make Region::Span public and give it a default constructor.
+ Allow getting and setting of Shape internals, and a way to update
+ the Region bounds after changing the shape. Also add a way to test
+ for valid spans and segments.
+
+ * platform/graphics/Region.cpp:
+ (WebCore::Region::Shape::isValid):
+ (WebCore::Region::updateBoundsFromShape):
+ * platform/graphics/Region.h:
+ (WebCore::Region::isValid):
+ (WebCore::Region::Span::Span):
+ (WebCore::Region::shapeSegments):
+ (WebCore::Region::shapeSpans):
+ (WebCore::Region::setShapeSegments):
+ (WebCore::Region::setShapeSpans):
+ (WebCore::Region::Shape::segments):
+ (WebCore::Region::Shape::spans):
+ (WebCore::Region::Shape::setSegments):
+ (WebCore::Region::Shape::setSpans):
+
</ins><span class="cx"> 2014-02-05 Andreas Kling <akling@apple.com>
</span><span class="cx">
</span><span class="cx"> Rebaseline the bindings tests after Oliver's hackery.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsRegioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/Region.cpp (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/Region.cpp 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebCore/platform/graphics/Region.cpp 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -319,10 +319,10 @@
</span><span class="cx"> #ifndef NDEBUG
</span><span class="cx"> void Region::Shape::dump() const
</span><span class="cx"> {
</span><del>- for (Shape::SpanIterator span = spans_begin(), end = spans_end(); span != end; ++span) {
</del><ins>+ for (auto span = spans_begin(), end = spans_end(); span != end; ++span) {
</ins><span class="cx"> printf("%6d: (", span->y);
</span><span class="cx">
</span><del>- for (Shape::SegmentIterator segment = segments_begin(span), end = segments_end(span); segment != end; ++segment)
</del><ins>+ for (auto segment = segments_begin(span), end = segments_end(span); segment != end; ++segment)
</ins><span class="cx"> printf("%d ", *segment);
</span><span class="cx"> printf(")\n");
</span><span class="cx"> }
</span><span class="lines">@@ -331,6 +331,27 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+bool Region::Shape::isValid() const
+{
+ for (auto span = spans_begin(), end = spans_end(); span != end && span + 1 != end; ++span) {
+ int y = span->y;
+ int height = (span + 1)->y - y;
+
+ if (height < 0)
+ return false;
+
+ for (auto segment = segments_begin(span), end = segments_end(span); segment != end && segment + 1 != end; segment += 2) {
+ int x = *segment;
+ int width = *(segment + 1) - x;
+
+ if (width < 0)
+ return false;
+ }
+ }
+
+ return true;
+}
+
</ins><span class="cx"> IntRect Region::Shape::bounds() const
</span><span class="cx"> {
</span><span class="cx"> if (isEmpty())
</span><span class="lines">@@ -550,6 +571,11 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+void Region::updateBoundsFromShape()
+{
+ m_bounds = m_shape.bounds();
+}
+
</ins><span class="cx"> void Region::intersect(const Region& region)
</span><span class="cx"> {
</span><span class="cx"> if (m_bounds.isEmpty())
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsRegionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/Region.h (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/Region.h 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebCore/platform/graphics/Region.h 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -64,10 +64,20 @@
</span><span class="cx"> void dump() const;
</span><span class="cx"> #endif
</span><span class="cx">
</span><del>-private:
</del><ins>+ bool isValid() const { return m_shape.isValid(); }
+
+ // This is internal to Region, but exposed just for encoding.
+ // FIXME: figure out a better way to encode WebCore classes.
</ins><span class="cx"> struct Span {
</span><ins>+ Span()
+ : y(0)
+ , segmentIndex(0)
+ {
+ }
+
</ins><span class="cx"> Span(int y, size_t segmentIndex)
</span><del>- : y(y), segmentIndex(segmentIndex)
</del><ins>+ : y(y)
+ , segmentIndex(segmentIndex)
</ins><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -75,6 +85,16 @@
</span><span class="cx"> size_t segmentIndex;
</span><span class="cx"> };
</span><span class="cx">
</span><ins>+ // For encoding/decoding only.
+ const Vector<int, 32>& shapeSegments() const { return m_shape.segments(); }
+ const Vector<Span, 16>& shapeSpans() const { return m_shape.spans(); }
+
+ void setShapeSegments(const Vector<int>& segments) { m_shape.setSegments(segments); }
+ void setShapeSpans(const Vector<Span>& spans) { m_shape.setSpans(spans); }
+ void updateBoundsFromShape();
+
+private:
+
</ins><span class="cx"> class Shape {
</span><span class="cx"> public:
</span><span class="cx"> Shape();
</span><span class="lines">@@ -105,7 +125,16 @@
</span><span class="cx">
</span><span class="cx"> template<typename CompareOperation>
</span><span class="cx"> static bool compareShapes(const Shape& shape1, const Shape& shape2);
</span><ins>+
+ bool isValid() const;
</ins><span class="cx">
</span><ins>+ // For encoding/decoding only.
+ const Vector<int, 32>& segments() const { return m_segments; }
+ const Vector<Span, 16>& spans() const { return m_spans; }
+
+ void setSegments(const Vector<int>& segments) { m_segments = segments; }
+ void setSpans(const Vector<Span>& spans) { m_spans = spans; }
+
</ins><span class="cx"> #ifndef NDEBUG
</span><span class="cx"> void dump() const;
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebKit2/ChangeLog 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2014-02-05 Simon Fraser <simon.fraser@apple.com>
+
+ Support encoding and decoding of Regions
+ https://bugs.webkit.org/show_bug.cgi?id=128284
+
+ Reviewed by Anders Carlsson.
+
+ Support encoding and decoding of Region, and its internal
+ struct Region::Span.
+
+ ArgumentCoders had to be taught about how to encode
+ Vectors with inline capacity.
+
+ * Platform/IPC/ArgumentCoders.h:
+ * Shared/WebCoreArgumentCoders.cpp:
+ (IPC::ArgumentCoder<Region::Span>::encode):
+ (IPC::ArgumentCoder<Region::Span>::decode):
+ (IPC::ArgumentCoder<Region>::encode):
+ (IPC::ArgumentCoder<Region>::decode):
+ * Shared/WebCoreArgumentCoders.h:
+
</ins><span class="cx"> 2014-02-05 Anders Carlsson <andersca@apple.com>
</span><span class="cx">
</span><span class="cx"> Add -[WKNavigationAction request]
</span></span></pre></div>
<a id="trunkSourceWebKit2PlatformIPCArgumentCodersh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Platform/IPC/ArgumentCoders.h (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Platform/IPC/ArgumentCoders.h 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebKit2/Platform/IPC/ArgumentCoders.h 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -92,23 +92,23 @@
</span><span class="cx"> }
</span><span class="cx"> };
</span><span class="cx">
</span><del>-template<bool fixedSizeElements, typename T> struct VectorArgumentCoder;
</del><ins>+template<bool fixedSizeElements, typename T, size_t inlineCapacity> struct VectorArgumentCoder;
</ins><span class="cx">
</span><del>-template<typename T> struct VectorArgumentCoder<false, T> {
- static void encode(ArgumentEncoder& encoder, const Vector<T>& vector)
</del><ins>+template<typename T, size_t inlineCapacity> struct VectorArgumentCoder<false, T, inlineCapacity> {
+ static void encode(ArgumentEncoder& encoder, const Vector<T, inlineCapacity>& vector)
</ins><span class="cx"> {
</span><span class="cx"> encoder << static_cast<uint64_t>(vector.size());
</span><span class="cx"> for (size_t i = 0; i < vector.size(); ++i)
</span><span class="cx"> encoder << vector[i];
</span><span class="cx"> }
</span><span class="cx">
</span><del>- static bool decode(ArgumentDecoder& decoder, Vector<T>& vector)
</del><ins>+ static bool decode(ArgumentDecoder& decoder, Vector<T, inlineCapacity>& vector)
</ins><span class="cx"> {
</span><span class="cx"> uint64_t size;
</span><span class="cx"> if (!decoder.decode(size))
</span><span class="cx"> return false;
</span><span class="cx">
</span><del>- Vector<T> tmp;
</del><ins>+ Vector<T, inlineCapacity> tmp;
</ins><span class="cx"> for (size_t i = 0; i < size; ++i) {
</span><span class="cx"> T element;
</span><span class="cx"> if (!decoder.decode(element))
</span><span class="lines">@@ -123,14 +123,14 @@
</span><span class="cx"> }
</span><span class="cx"> };
</span><span class="cx">
</span><del>-template<typename T> struct VectorArgumentCoder<true, T> {
- static void encode(ArgumentEncoder& encoder, const Vector<T>& vector)
</del><ins>+template<typename T, size_t inlineCapacity> struct VectorArgumentCoder<true, T, inlineCapacity> {
+ static void encode(ArgumentEncoder& encoder, const Vector<T, inlineCapacity>& vector)
</ins><span class="cx"> {
</span><span class="cx"> encoder << static_cast<uint64_t>(vector.size());
</span><span class="cx"> encoder.encodeFixedLengthData(reinterpret_cast<const uint8_t*>(vector.data()), vector.size() * sizeof(T), alignof(T));
</span><span class="cx"> }
</span><span class="cx">
</span><del>- static bool decode(ArgumentDecoder& decoder, Vector<T>& vector)
</del><ins>+ static bool decode(ArgumentDecoder& decoder, Vector<T, inlineCapacity>& vector)
</ins><span class="cx"> {
</span><span class="cx"> uint64_t size;
</span><span class="cx"> if (!decoder.decode(size))
</span><span class="lines">@@ -144,7 +144,7 @@
</span><span class="cx"> return false;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- Vector<T> temp;
</del><ins>+ Vector<T, inlineCapacity> temp;
</ins><span class="cx"> temp.resize(size);
</span><span class="cx">
</span><span class="cx"> decoder.decodeFixedLengthData(reinterpret_cast<uint8_t*>(temp.data()), size * sizeof(T), alignof(T));
</span><span class="lines">@@ -154,7 +154,7 @@
</span><span class="cx"> }
</span><span class="cx"> };
</span><span class="cx">
</span><del>-template<typename T> struct ArgumentCoder<Vector<T>> : VectorArgumentCoder<std::is_arithmetic<T>::value, T> { };
</del><ins>+template<typename T, size_t inlineCapacity> struct ArgumentCoder<Vector<T, inlineCapacity>> : VectorArgumentCoder<std::is_arithmetic<T>::value, T, inlineCapacity> { };
</ins><span class="cx">
</span><span class="cx"> template<typename KeyArg, typename MappedArg, typename HashArg, typename KeyTraitsArg, typename MappedTraitsArg> struct ArgumentCoder<HashMap<KeyArg, MappedArg, HashArg, KeyTraitsArg, MappedTraitsArg>> {
</span><span class="cx"> typedef HashMap<KeyArg, MappedArg, HashArg, KeyTraitsArg, MappedTraitsArg> HashMapType;
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebCoreArgumentCoderscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.cpp 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -51,6 +51,7 @@
</span><span class="cx"> #include <WebCore/Length.h>
</span><span class="cx"> #include <WebCore/PluginData.h>
</span><span class="cx"> #include <WebCore/ProtectionSpace.h>
</span><ins>+#include <WebCore/Region.h>
</ins><span class="cx"> #include <WebCore/ResourceError.h>
</span><span class="cx"> #include <WebCore/ResourceRequest.h>
</span><span class="cx"> #include <WebCore/ResourceResponse.h>
</span><span class="lines">@@ -198,7 +199,56 @@
</span><span class="cx"> return SimpleArgumentCoder<IntSize>::decode(decoder, intSize);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+template<> struct ArgumentCoder<WebCore::Region::Span> {
+ static void encode(ArgumentEncoder&, const WebCore::Region::Span&);
+ static bool decode(ArgumentDecoder&, WebCore::Region::Span&);
+};
</ins><span class="cx">
</span><ins>+void ArgumentCoder<Region::Span>::encode(ArgumentEncoder& encoder, const Region::Span& span)
+{
+ encoder << span.y;
+ encoder << (uint64_t)span.segmentIndex;
+}
+
+bool ArgumentCoder<Region::Span>::decode(ArgumentDecoder& decoder, Region::Span& span)
+{
+ if (!decoder.decode(span.y))
+ return false;
+
+ uint64_t segmentIndex;
+ if (!decoder.decode(segmentIndex))
+ return false;
+
+ span.segmentIndex = segmentIndex;
+ return true;
+}
+
+void ArgumentCoder<Region>::encode(ArgumentEncoder& encoder, const Region& region)
+{
+ encoder.encode(region.shapeSegments());
+ encoder.encode(region.shapeSpans());
+}
+
+bool ArgumentCoder<Region>::decode(ArgumentDecoder& decoder, Region& region)
+{
+ Vector<int> segments;
+ if (!decoder.decode(segments))
+ return false;
+
+ Vector<Region::Span> spans;
+ if (!decoder.decode(spans))
+ return false;
+
+ region.setShapeSegments(segments);
+ region.setShapeSpans(spans);
+ region.updateBoundsFromShape();
+
+ if (!region.isValid())
+ return false;
+
+ return true;
+}
+
</ins><span class="cx"> void ArgumentCoder<Length>::encode(ArgumentEncoder& encoder, const Length& length)
</span><span class="cx"> {
</span><span class="cx"> SimpleArgumentCoder<Length>::encode(encoder, length);
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebCoreArgumentCodersh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.h (163508 => 163509)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.h 2014-02-06 04:10:47 UTC (rev 163508)
+++ trunk/Source/WebKit2/Shared/WebCoreArgumentCoders.h 2014-02-06 04:31:46 UTC (rev 163509)
</span><span class="lines">@@ -51,6 +51,7 @@
</span><span class="cx"> class URL;
</span><span class="cx"> class Notification;
</span><span class="cx"> class ProtectionSpace;
</span><ins>+class Region;
</ins><span class="cx"> class ResourceError;
</span><span class="cx"> class ResourceRequest;
</span><span class="cx"> class ResourceResponse;
</span><span class="lines">@@ -162,6 +163,11 @@
</span><span class="cx"> static bool decode(ArgumentDecoder&, WebCore::IntSize&);
</span><span class="cx"> };
</span><span class="cx">
</span><ins>+template<> struct ArgumentCoder<WebCore::Region> {
+ static void encode(ArgumentEncoder&, const WebCore::Region&);
+ static bool decode(ArgumentDecoder&, WebCore::Region&);
+};
+
</ins><span class="cx"> template<> struct ArgumentCoder<WebCore::Length> {
</span><span class="cx"> static void encode(ArgumentEncoder&, const WebCore::Length&);
</span><span class="cx"> static bool decode(ArgumentDecoder&, WebCore::Length&);
</span></span></pre>
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