47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include "svpointcloudviewer.h"
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#include <QtGui/QOpenGLShaderProgram>
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#include <QtGui/QOpenGLContext>
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SvPointCloudViewer::SvPointCloudViewer(QQuickItem *parent) :
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QQuickPaintedItem(parent)
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{
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setRenderTarget(QQuickPaintedItem::FramebufferObject);
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}
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void SvPointCloudViewer::paint(QPainter *painter)
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{
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if (!m_pointCloud) {
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qDebug() << "point cloud not set!";
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return;
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}
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painter->beginNativePainting();
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glViewport(0, 0, width(), height());
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glClearColor(0, 1, 1, 1);
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glClear(GL_COLOR_BUFFER_BIT/* | GL_DEPTH_BUFFER_BIT*/);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0.0f, height(), -400.0f);
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glScalef(0.1f, 0.1f, 0.1f);
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glColor3f(1.0f, 0.0f, 0.0f);
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glPointSize(3.0f);
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glBegin(GL_POINTS);
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for (int y = 0; y < m_pointCloud->getHeight(); y++) {
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for (int x = 0; x < m_pointCloud->getWidth(); x++) {
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SvPoint *p = m_pointCloud->point(x, y);
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if (p) {
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glColor3ub(qRed(p->color()),qGreen(p->color()), qBlue(p->color()));
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glVertex3i(x, y, 0);
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}
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}
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}
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glEnd();
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painter->endNativePainting();
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}
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