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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/image-decoders/qt
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/image-decoders/qt')
-rw-r--r--Source/WebCore/platform/image-decoders/qt/RGBA32BufferQt.cpp158
1 files changed, 158 insertions, 0 deletions
diff --git a/Source/WebCore/platform/image-decoders/qt/RGBA32BufferQt.cpp b/Source/WebCore/platform/image-decoders/qt/RGBA32BufferQt.cpp
new file mode 100644
index 0000000..998234f
--- /dev/null
+++ b/Source/WebCore/platform/image-decoders/qt/RGBA32BufferQt.cpp
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (C) 2008, 2009 Google, Inc.
+ * Copyright (C) 2009 Holger Hans Peter Freyther
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. 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.
+ */
+
+#include "config.h"
+#include "ImageDecoder.h"
+
+#include "NotImplemented.h"
+
+#include <QPixmap>
+#include <stdio.h>
+
+namespace WebCore {
+
+RGBA32Buffer::RGBA32Buffer()
+ : m_hasAlpha(false)
+ , m_size()
+ , m_status(FrameEmpty)
+ , m_duration(0)
+ , m_disposalMethod(DisposeNotSpecified)
+{
+}
+
+RGBA32Buffer& RGBA32Buffer::operator=(const RGBA32Buffer& other)
+{
+ if (this == &other)
+ return *this;
+
+ copyBitmapData(other);
+ setRect(other.rect());
+ setStatus(other.status());
+ setDuration(other.duration());
+ setDisposalMethod(other.disposalMethod());
+ return *this;
+}
+
+void RGBA32Buffer::clear()
+{
+ m_pixmap = QPixmap();
+ m_image = QImage();
+ m_status = FrameEmpty;
+ // NOTE: Do not reset other members here; clearFrameBufferCache()
+ // calls this to free the bitmap data, but other functions like
+ // initFrameBuffer() and frameComplete() may still need to read
+ // other metadata out of this frame later.
+}
+
+void RGBA32Buffer::zeroFill()
+{
+ if (m_pixmap.isNull() && !m_image.isNull()) {
+ m_pixmap = QPixmap(m_image.width(), m_image.height());
+ m_image = QImage();
+ }
+ m_pixmap.fill(QColor(0, 0, 0, 0));
+}
+
+bool RGBA32Buffer::copyBitmapData(const RGBA32Buffer& other)
+{
+ if (this == &other)
+ return true;
+
+ m_image = other.m_image;
+ m_pixmap = other.m_pixmap;
+ m_size = other.m_size;
+ m_hasAlpha = other.m_hasAlpha;
+ return true;
+}
+
+bool RGBA32Buffer::setSize(int newWidth, int newHeight)
+{
+ // This function should only be called once, it will leak memory
+ // otherwise.
+ ASSERT(width() == 0 && height() == 0);
+
+ m_size = IntSize(newWidth, newHeight);
+ m_image = QImage();
+ m_pixmap = QPixmap(newWidth, newHeight);
+ if (m_pixmap.isNull())
+ return false;
+
+ // Zero the image.
+ zeroFill();
+
+ return true;
+}
+
+QPixmap* RGBA32Buffer::asNewNativeImage() const
+{
+ if (m_pixmap.isNull() && !m_image.isNull()) {
+ m_pixmap = QPixmap::fromImage(m_image);
+ m_image = QImage();
+ }
+ return new QPixmap(m_pixmap);
+}
+
+bool RGBA32Buffer::hasAlpha() const
+{
+ return m_hasAlpha;
+}
+
+void RGBA32Buffer::setHasAlpha(bool alpha)
+{
+ m_hasAlpha = alpha;
+}
+
+void RGBA32Buffer::setColorProfile(const ColorProfile& colorProfile)
+{
+ notImplemented();
+}
+
+void RGBA32Buffer::setStatus(FrameStatus status)
+{
+ m_status = status;
+}
+
+// The image must not have format 8888 pre multiplied...
+void RGBA32Buffer::setPixmap(const QPixmap& pixmap)
+{
+ m_pixmap = pixmap;
+ m_image = QImage();
+ m_size = pixmap.size();
+ m_hasAlpha = pixmap.hasAlphaChannel();
+}
+
+int RGBA32Buffer::width() const
+{
+ return m_size.width();
+}
+
+int RGBA32Buffer::height() const
+{
+ return m_size.height();
+}
+
+}