void BrainiacDisplay::paintGL(QGLPainter *painter)
{
QVector3DArray vertices;
static qreal size=1000.0f;
static qreal width=10.0f;
vertices.append(size,0,size);
vertices.append(size,0,-size);
vertices.append(-size,0,-size);
vertices.append(-size,0,size);
int count=0;
for(qreal i=0.0f; i<size*2.f; i+=width) {
vertices.append(-size+i,0,size);
vertices.append(-size+i,0,-size);
vertices.append(size,0,-size+i);
vertices.append(-size,0,-size+i);
count++;
}
painter->clearAttributes();
painter->setStandardEffect(QGL::FlatColor);
painter->setVertexAttribute(QGL::Position, vertices);
painter->setColor(QColor(30,30,30));
painter->draw(QGL::LineLoop,4,0);
painter->draw(QGL::Lines,count*4,4);
painter->clearAttributes();
vertices.clear();
static qreal crossLength=150.0f;
if(m_showCoordCross) {
vertices.append(0,1,0);
vertices.append(crossLength,1,0);
vertices.append(0,0,0);
vertices.append(0,crossLength,0);
vertices.append(0,1,0);
vertices.append(0,1,crossLength);
painter->setStandardEffect(QGL::FlatColor);
painter->setVertexAttribute(QGL::Position, vertices);
painter->setColor(BrainiacGlobals::defaultXColor);
painter->draw(QGL::Lines,2,0);
painter->setColor(BrainiacGlobals::defaultYColor);
painter->draw(QGL::Lines,2,2);
painter->setColor(BrainiacGlobals::defaultZColor);
painter->draw(QGL::Lines,2,4);
}
}
ImageViewer::ImageViewer(int w, int h)
{
// the body
QGLBuilder builder;
builder.newSection(QGL::Faceted);
builder.addPane(QSizeF(w, h));
body = builder.finalizedSceneNode();
body->setMaterial(new QGLMaterial());
body->setEffect(QGL::FlatReplaceTexture2D);
// prev button
QVector3DArray vertices;
vertices.append(-w * 0.4, 0, 0.01);
vertices.append(-w * 0.3, -h * 0.1, 0.01);
vertices.append(-w * 0.3, h * 0.1, 0.01);
QGeometryData triangle;
triangle.appendVertexArray(vertices);
QGLBuilder prevBuilder;
prevBuilder.newSection(QGL::Faceted);
prevBuilder.addTriangles(triangle);
prevBtn = prevBuilder.finalizedSceneNode();
prevBtn->setEffect(QGL::FlatColor);
// next button
vertices.clear();
vertices.append(w * 0.4, 0, 0);
vertices.append(w * 0.3, h * 0.1, 0.01);
vertices.append(w * 0.3, -h * 0.1, 0.01);
triangle.clear();
triangle.appendVertexArray(vertices);
QGLBuilder nextBuilder;
nextBuilder.newSection(QGL::Faceted);
nextBuilder.addTriangles(triangle);
nextBtn = nextBuilder.finalizedSceneNode();
nextBtn->setEffect(QGL::FlatColor);
}