From fa93d0ceec5cabee3141668bcde9bc98d8105c8c Mon Sep 17 00:00:00 2001
From: Tobias Koenig <tobias.koenig@kdab.com>
Date: Sun, 13 Apr 2014 14:10:26 +0200
Subject: Haiku: Initial version of QPA plugin for Haiku

Change-Id: Ib4d1d75a11602af8423970e12c7cc594576e1c4d
Reviewed-by: Augustin Cavalier <waddlesplash@gmail.com>
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@theqtcompany.com>
---
 .../platforms/haiku/qhaikurasterbackingstore.cpp   | 92 ++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 src/plugins/platforms/haiku/qhaikurasterbackingstore.cpp

(limited to 'src/plugins/platforms/haiku/qhaikurasterbackingstore.cpp')

diff --git a/src/plugins/platforms/haiku/qhaikurasterbackingstore.cpp b/src/plugins/platforms/haiku/qhaikurasterbackingstore.cpp
new file mode 100644
index 0000000000..caede56b1f
--- /dev/null
+++ b/src/plugins/platforms/haiku/qhaikurasterbackingstore.cpp
@@ -0,0 +1,92 @@
+/***************************************************************************
+**
+** Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias Koenig <tobias.koenig@kdab.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qhaikurasterbackingstore.h"
+#include "qhaikurasterwindow.h"
+
+#include <Bitmap.h>
+#include <View.h>
+
+QT_BEGIN_NAMESPACE
+
+QHaikuRasterBackingStore::QHaikuRasterBackingStore(QWindow *window)
+    : QPlatformBackingStore(window)
+    , m_bitmap(Q_NULLPTR)
+{
+}
+
+QHaikuRasterBackingStore::~QHaikuRasterBackingStore()
+{
+    delete m_bitmap;
+    m_bitmap = Q_NULLPTR;
+}
+
+QPaintDevice *QHaikuRasterBackingStore::paintDevice()
+{
+    if (!m_bufferSize.isEmpty() && m_bitmap)
+        return m_buffer.image();
+
+    return Q_NULLPTR;
+}
+
+void QHaikuRasterBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
+{
+    Q_UNUSED(region);
+    Q_UNUSED(offset);
+
+    if (!window)
+        return;
+
+    QHaikuRasterWindow *targetWindow = static_cast<QHaikuRasterWindow*>(window->handle());
+
+    BView *view = targetWindow->nativeViewHandle();
+
+    view->LockLooper();
+    view->DrawBitmap(m_bitmap);
+    view->UnlockLooper();
+}
+
+void QHaikuRasterBackingStore::resize(const QSize &size, const QRegion &staticContents)
+{
+    Q_UNUSED(staticContents);
+
+    if (m_bufferSize == size)
+        return;
+
+    delete m_bitmap;
+    m_bitmap = new BBitmap(BRect(0, 0, size.width(), size.height()), B_RGB32, false, true);
+    m_buffer = QHaikuBuffer(m_bitmap);
+    m_bufferSize = size;
+}
+
+QT_END_NAMESPACE
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