1 files changed, 135 insertions, 0 deletions
diff --git a/src/plugins/platforms/direct2d/qwindowsdirect2ddevicecontext.cpp b/src/plugins/platforms/direct2d/qwindowsdirect2ddevicecontext.cpp
new file mode 100644
index 0000000000..3ff4c9e636
--- /dev/null
+++ b/src/plugins/platforms/direct2d/qwindowsdirect2ddevicecontext.cpp
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowsdirect2dcontext.h"
+#include "qwindowsdirect2dhelpers.h"
+#include "qwindowsdirect2ddevicecontext.h"
+
+#include <wrl.h>
+
+using Microsoft::WRL::ComPtr;
+
+QT_BEGIN_NAMESPACE
+
+class QWindowsDirect2DDeviceContextPrivate {
+public:
+    QWindowsDirect2DDeviceContextPrivate(ID2D1DeviceContext *dc)
+        : deviceContext(dc)
+        , refCount(0)
+    {
+        if (!dc) {
+            HRESULT hr = QWindowsDirect2DContext::instance()->d2dDevice()->CreateDeviceContext(
+                        D2D1_DEVICE_CONTEXT_OPTIONS_NONE,
+                        &deviceContext);
+            if (FAILED(hr))
+                qFatal("%s: Couldn't create Direct2D Device Context: %#x", __FUNCTION__, hr);
+        }
+
+        Q_ASSERT(deviceContext);
+    }
+
+    void begin()
+    {
+        Q_ASSERT(deviceContext);
+        Q_ASSERT(refCount >= 0);
+
+        if (refCount == 0)
+            deviceContext->BeginDraw();
+
+        refCount++;
+    }
+
+    bool end()
+    {
+        Q_ASSERT(deviceContext);
+        Q_ASSERT(refCount >= 0);
+
+        bool success = true;
+        refCount--;
+
+        if (refCount == 0) {
+            D2D1_TAG tag1, tag2;
+            HRESULT hr = deviceContext->EndDraw(&tag1, &tag2);
+
+            if (FAILED(hr)) {
+                success = false;
+                qWarning("%s: EndDraw failed: %#x, tag1: %lld, tag2: %lld", __FUNCTION__, hr, tag1, tag2);
+            }
+        }
+
+        return success;
+    }
+
+    ComPtr<ID2D1DeviceContext> deviceContext;
+    int refCount;
+};
+
+QWindowsDirect2DDeviceContext::QWindowsDirect2DDeviceContext(ID2D1DeviceContext *dc)
+    : d_ptr(new QWindowsDirect2DDeviceContextPrivate(dc))
+{
+}
+
+QWindowsDirect2DDeviceContext::~QWindowsDirect2DDeviceContext()
+{
+
+}
+
+ID2D1DeviceContext *QWindowsDirect2DDeviceContext::get() const
+{
+    Q_D(const QWindowsDirect2DDeviceContext);
+    Q_ASSERT(d->deviceContext);
+
+    return d->deviceContext.Get();
+}
+
+void QWindowsDirect2DDeviceContext::begin()
+{
+    Q_D(QWindowsDirect2DDeviceContext);
+    d->begin();
+}
+
+bool QWindowsDirect2DDeviceContext::end()
+{
+    Q_D(QWindowsDirect2DDeviceContext);
+    return d->end();
+}
+
+QT_END_NAMESPACE