DirectShow: Implement basic QCameraImageProcessingControl interface

This commit implements the contrast, saturation, brightness and
sharpening adjustments, using DirectShow backend.

Change-Id: I438595550ff804f2a20028b4bc020c566d309127
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/plugins/directshow/camera/dscameraimageprocessingcontrol.h b/src/plugins/directshow/camera/dscameraimageprocessingcontrol.h
new file mode 100644
index 000000000..2e50fe14d
--- /dev/null
+++ b/src/plugins/directshow/camera/dscameraimageprocessingcontrol.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Denis Shienkov <denis.shienkov@gmail.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DSCAMERAIMAGEPROCESSINGCONTROL_H
+#define DSCAMERAIMAGEPROCESSINGCONTROL_H
+
+#include <qcamera.h>
+#include <qcameraimageprocessingcontrol.h>
+
+QT_BEGIN_NAMESPACE
+
+class DSCameraSession;
+
+class DSCameraImageProcessingControl : public QCameraImageProcessingControl
+{
+    Q_OBJECT
+
+public:
+    DSCameraImageProcessingControl(DSCameraSession *session);
+    virtual ~DSCameraImageProcessingControl();
+
+    bool isParameterSupported(ProcessingParameter) const;
+    bool isParameterValueSupported(ProcessingParameter parameter, const QVariant &value) const;
+    QVariant parameter(ProcessingParameter parameter) const;
+    void setParameter(ProcessingParameter parameter, const QVariant &value);
+
+private:
+    DSCameraSession *m_session;
+};
+
+QT_END_NAMESPACE
+
+#endif // DSCAMERAIMAGEPROCESSINGCONTROL_H