399500f87e
Change-Id: Ia8c1c38aba1544603fada8c414cc856f365fd15b Reviewed-by: Akseli Salovaara <akseli.salovaara@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qsgvideonode_p.h"
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QT_BEGIN_NAMESPACE
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QSGVideoNode::QSGVideoNode()
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: m_orientation(-1)
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{
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}
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/* Helpers */
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static inline void qSetGeom(QSGGeometry::TexturedPoint2D *v, const QPointF &p)
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{
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v->x = p.x();
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v->y = p.y();
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}
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static inline void qSetTex(QSGGeometry::TexturedPoint2D *v, const QPointF &p)
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{
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v->tx = p.x();
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v->ty = p.y();
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}
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/* Update the vertices and texture coordinates. Orientation must be in {0,90,180,270} */
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void QSGVideoNode::setTexturedRectGeometry(const QRectF &rect, const QRectF &textureRect, int orientation)
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{
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if (rect == m_rect && textureRect == m_textureRect && orientation == m_orientation)
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return;
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m_rect = rect;
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m_textureRect = textureRect;
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m_orientation = orientation;
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QSGGeometry *g = geometry();
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if (g == 0)
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g = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
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QSGGeometry::TexturedPoint2D *v = g->vertexDataAsTexturedPoint2D();
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// Set geometry first
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qSetGeom(v + 0, rect.topLeft());
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qSetGeom(v + 1, rect.bottomLeft());
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qSetGeom(v + 2, rect.topRight());
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qSetGeom(v + 3, rect.bottomRight());
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// and then texture coordinates
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switch (orientation) {
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default:
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// tl, bl, tr, br
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qSetTex(v + 0, textureRect.topLeft());
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qSetTex(v + 1, textureRect.bottomLeft());
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qSetTex(v + 2, textureRect.topRight());
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qSetTex(v + 3, textureRect.bottomRight());
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break;
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case 90:
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// tr, tl, br, bl
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qSetTex(v + 0, textureRect.topRight());
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qSetTex(v + 1, textureRect.topLeft());
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qSetTex(v + 2, textureRect.bottomRight());
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qSetTex(v + 3, textureRect.bottomLeft());
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break;
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case 180:
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// br, tr, bl, tl
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qSetTex(v + 0, textureRect.bottomRight());
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qSetTex(v + 1, textureRect.topRight());
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qSetTex(v + 2, textureRect.bottomLeft());
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qSetTex(v + 3, textureRect.topLeft());
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break;
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case 270:
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// bl, br, tl, tr
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qSetTex(v + 0, textureRect.bottomLeft());
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qSetTex(v + 1, textureRect.bottomRight());
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qSetTex(v + 2, textureRect.topLeft());
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qSetTex(v + 3, textureRect.topRight());
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break;
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}
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if (!geometry())
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setGeometry(g);
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markDirty(DirtyGeometry);
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}
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QT_END_NAMESPACE
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