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Diffstat (limited to 'examples/datavisualization/texturesurface/topographicseries.cpp')
-rw-r--r-- | examples/datavisualization/texturesurface/topographicseries.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/examples/datavisualization/texturesurface/topographicseries.cpp b/examples/datavisualization/texturesurface/topographicseries.cpp deleted file mode 100644 index 01b6625b..00000000 --- a/examples/datavisualization/texturesurface/topographicseries.cpp +++ /dev/null @@ -1,82 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Data Visualization module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "topographicseries.h" - -//! [0] -// Value used to encode height data as RGB value on PNG file -const float packingFactor = 11983.0f; -//! [0] - -TopographicSeries::TopographicSeries() -{ - setDrawMode(QSurface3DSeries::DrawSurface); - setFlatShadingEnabled(true); - setBaseColor(Qt::white); -} - -TopographicSeries::~TopographicSeries() -{ -} - -void TopographicSeries::setTopographyFile(const QString file, float width, float height) -{ -//! [1] - QImage heightMapImage(file); - uchar *bits = heightMapImage.bits(); - int imageHeight = heightMapImage.height(); - int imageWidth = heightMapImage.width(); - int widthBits = imageWidth * 4; - float stepX = width / float(imageWidth); - float stepZ = height / float(imageHeight); - - QSurfaceDataArray *dataArray = new QSurfaceDataArray; - dataArray->reserve(imageHeight); - for (int i = 0; i < imageHeight; i++) { - int p = i * widthBits; - float z = height - float(i) * stepZ; - QSurfaceDataRow *newRow = new QSurfaceDataRow(imageWidth); - for (int j = 0; j < imageWidth; j++) { - uchar aa = bits[p + 0]; - uchar rr = bits[p + 1]; - uchar gg = bits[p + 2]; - uint color = uint((gg << 16) + (rr << 8) + aa); - float y = float(color) / packingFactor; - (*newRow)[j].setPosition(QVector3D(float(j) * stepX, y, z)); - p = p + 4; - } - *dataArray << newRow; - } - - dataProxy()->resetArray(dataArray); -//! [1] - - m_sampleCountX = float(imageWidth); - m_sampleCountZ = float(imageHeight); -} |