95 lines
2.5 KiB
C++
95 lines
2.5 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, 0, 0, 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(), -40.0f);
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glPointSize(1.0f);
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glScalef(1.0f, 1.0f, 1.0f);
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foreach (SvFigure *figure, m_pointCloud->figures()) {
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glBegin(GL_POLYGON);
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glColor3ub(qRed(figure->color()), qGreen(figure->color()), qBlue(figure->color()));
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foreach (SvCurve *curve, figure->curves()) {
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foreach (SvPoint *point, curve->points()) {
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glVertex3i(point->x(), point->y(), 0);
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}
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}
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glEnd();
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}
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painter->endNativePainting();
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}
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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, 0, 0, 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(), -40.0f);
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glPointSize(1.0f);
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glScalef(1.0f, 1.0f, 1.0f);
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glBegin(GL_POINTS);
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for (int y = 1; y < m_pointCloud->getHeight(); y++) {
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for (int x = 1; x < m_pointCloud->getWidth() - 1; x++) {
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SvPoint *lp = m_pointCloud->point(x - 1, y);
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SvPoint *tlp = m_pointCloud->point(x - 1, y - 1);
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SvPoint *tp = m_pointCloud->point(x, y - 1);
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SvPoint *trp = m_pointCloud->point(x + 1, y - 1);
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SvPoint *p = m_pointCloud->point(x, y);
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if (p) {
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//glColor3ub(0, 0, 0);
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int topRight = abs(p->diff(SvPoint::RIGHT_TOP));
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int topLeft = abs(p->diff(SvPoint::LEFT_TOP));
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int left = abs(p->diff(SvPoint::LEFT));
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int top = abs(p->diff(SvPoint::TOP));
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glColor3ub(top * 4 > 255 ? 255 : top * 4, left * 4 > 255 ? 255 : left * 4, 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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*/
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