diff options
Diffstat (limited to 'tradeshow/enterprise-kinectdatavis/src/quickfreenect/qquickfreenectdepthdataproxy.cpp')
-rw-r--r-- | tradeshow/enterprise-kinectdatavis/src/quickfreenect/qquickfreenectdepthdataproxy.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/tradeshow/enterprise-kinectdatavis/src/quickfreenect/qquickfreenectdepthdataproxy.cpp b/tradeshow/enterprise-kinectdatavis/src/quickfreenect/qquickfreenectdepthdataproxy.cpp new file mode 100644 index 0000000..0a36b04 --- /dev/null +++ b/tradeshow/enterprise-kinectdatavis/src/quickfreenect/qquickfreenectdepthdataproxy.cpp @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies). +** Contact: For any questions to Digia, please use the contact form at +** http://www.qt.io +** +** This file is part of the examples of the Qt Enterprise Embedded. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * 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. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "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 THE COPYRIGHT +** OWNER 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "qquickfreenectdepthdataproxy.h" + +#include "libfreenect.h" + +QQuickFreenectDepthDataProxy::QQuickFreenectDepthDataProxy() + : m_backend(QQuickFreenectBackend::instance()) +{ + connect(m_backend.get(), SIGNAL(depthFrameReady()), SLOT(updateData())); + connect(this, SIGNAL(highClipChanged()), SLOT(updateData())); + + m_dataArray = new QtDataVisualization::QSurfaceDataArray; + m_dataArray->reserve(height); + for (int y = 0; y < height; ++y) + m_dataArray->append(new QtDataVisualization::QSurfaceDataRow(width)); + resetArray(m_dataArray); + m_backend->requestDepthStreamEnabled(); +} + +void QQuickFreenectDepthDataProxy::updateData() +{ + unsigned frameId = m_backend->depthFrameId(); + if (m_lastUpdateFrameId == frameId) + return; + + uint16_t *buffer = m_backend->depthBuffer(); + QSize bufferSize = m_backend->depthBufferSize(); + int widthRatio = bufferSize.width() / width; + int heightRatio = bufferSize.height() / height; + for (int y = 0; y < height; ++y) { + auto proxyRow = (*m_dataArray)[y]; + for (int x = 0; x < width; ++x) { + uint16_t data = buffer[(height - 1 - y)*widthRatio * bufferSize.width() + x*heightRatio]; + data = std::min(m_highClip, data != FREENECT_DEPTH_RAW_NO_VALUE ? FREENECT_DEPTH_RAW_MAX_VALUE - data : 0); + (*proxyRow)[x].setPosition(QVector3D(x, data, y)); + } + } + resetArray(m_dataArray); + m_lastUpdateFrameId = frameId; +} |