QPixmap GlyphRenderer::render(unsigned int pluginId) {
if(_previews.find(pluginId) == _previews.end()) {
_graph->getProperty<IntegerProperty>("viewShape")->setNodeValue(_node,pluginId);
GlOffscreenRenderer *renderer = GlOffscreenRenderer::getInstance();
renderer->setViewPortSize(16,16);
renderer->clearScene();
renderer->addGraphToScene(_graph);
renderer->getScene()->centerScene();
renderer->getScene()->getGraphCamera().setZoomFactor(0.9);
renderer->renderScene(false, true);
QImage preview = renderer->getImage();
_previews[pluginId] = QPixmap::fromImage(preview);
}
return _previews[pluginId];
}
QPixmap EdgeExtremityGlyphRenderer::render(unsigned int pluginId) {
if(_previews.find(pluginId) == _previews.end()) {
_graph->getProperty<IntegerProperty>("viewTgtAnchorShape")->setEdgeValue(_edge,pluginId);
GlOffscreenRenderer *renderer = GlOffscreenRenderer::getInstance();
renderer->setViewPortSize(16,16);
renderer->clearScene();
renderer->addGraphToScene(_graph);
GlGraphRenderingParameters renderingParamerters = renderer->getScene()->getGlGraphComposite()->getRenderingParameters();
renderingParamerters.setEdgeColorInterpolate(false);
renderingParamerters.setEdgeSizeInterpolate(false);
renderingParamerters.setViewArrow(true);
renderer->getScene()->getGlGraphComposite()->setRenderingParameters(renderingParamerters);
renderer->renderScene(true);
QImage preview = renderer->getImage();
_previews[pluginId] = QPixmap::fromImage(preview);
}
return _previews[pluginId];
}
void PixelOrientedOverview::computePixelView(GlMainWidget *glWidget) {
reset(false);
if (clickLabel != nullptr) {
delete clickLabel;
clickLabel = nullptr;
}
if (backgroundRect != nullptr) {
delete backgroundRect;
backgroundRect = nullptr;
}
if (frame != nullptr) {
delete frame;
frame = nullptr;
}
if (frame2 != nullptr) {
delete frame2;
frame2 = nullptr;
}
Graph *graph = data->getTulipGraph();
unsigned int width = pixelOrientedMediator->getImageWidth();
unsigned int height = pixelOrientedMediator->getImageHeight();
GlProgressBar *glProgressBar = nullptr;
if (glWidget != nullptr) {
glProgressBar =
new GlProgressBar(Coord(blCornerPos.getX() + width / 2, blCornerPos.getY() + height / 2),
width, height, Color(0, 0, 255));
glProgressBar->setComment("Generating overview ...");
addGlEntity(glProgressBar, "progress bar");
}
unsigned int currentStep = 0;
unsigned int maxStep = graph->numberOfNodes();
unsigned int drawStep = maxStep / 10;
set<int> xCoordSet;
for (unsigned int i = 0; i < graph->numberOfNodes(); ++i) {
node n = node(data->getItemIdAtRank(i));
pocore::Vec2i pos = pixelOrientedMediator->getPixelPosForRank(i);
Coord nodeCoord = Coord(pos[0], pos[1], 0);
xCoordSet.insert(pos[0]);
pixelLayout->setNodeValue(n, nodeCoord);
++currentStep;
if (glWidget != nullptr && currentStep % drawStep == 0) {
glProgressBar->progress(currentStep, maxStep);
glWidget->draw();
}
}
if (xCoordSet.size() < 2)
return;
set<int>::iterator it = xCoordSet.begin();
int x1 = *(it++);
int x2 = *it;
int size = x2 - x1;
pixelSize->setAllNodeValue(Size(size, size, size));
overviewLabel->setColor(textColor);
GlOffscreenRenderer *glOffscreenRenderer = GlOffscreenRenderer::getInstance();
glOffscreenRenderer->setViewPortSize(width, height);
glOffscreenRenderer->clearScene();
glOffscreenRenderer->setSceneBackgroundColor(backgroundColor);
glOffscreenRenderer->addGraphCompositeToScene(graphComposite);
glOffscreenRenderer->renderScene(true);
if (glWidget != nullptr) {
glProgressBar->progress(maxStep, maxStep);
glWidget->draw();
deleteGlEntity(glProgressBar);
delete glProgressBar;
}
GLuint textureId = glOffscreenRenderer->getGLTexture(true);
GlTextureManager::getInst().deleteTexture(textureName);
GlTextureManager::getInst().registerExternalTexture(textureName, textureId);
if (findGlEntity(dimName) == nullptr) {
addGlEntity(new Gl2DRect(blCornerPos.getY() + pixelOrientedMediator->getImageHeight(),
blCornerPos.getY(), blCornerPos.getX(),
blCornerPos.getX() + pixelOrientedMediator->getImageWidth(),
textureName),
dimName);
addGlEntity(overviewLabel, "overview label");
computeBoundingBox();
}
overviewGen = true;
}
