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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
#include <tulip/GlTextureManager.h>
#include <tulip/Gl2DRect.h>
#include <tulip/ForEach.h>
#include <tulip/GlLabel.h>
#include <tulip/GlProgressBar.h>
#include <tulip/GlMainWidget.h>
#include <tulip/GlOffscreenRenderer.h>
#include <tulip/GlGraphComposite.h>
#include "PixelOrientedOverview.h"
using namespace pocore;
using namespace std;
template <typename T>
std::string getStringFromNumber(T number) {
std::ostringstream oss;
oss.precision(5);
oss << number;
return oss.str();
}
static void setGraphView (tlp::GlGraphComposite *glGraph) {
tlp::GlGraphRenderingParameters param = glGraph->getRenderingParameters ();
param.setAntialiasing (true);
param.setViewNodeLabel (false);
param.setFontsType (2);
param.setSelectedNodesStencil(1);
param.setNodesStencil(0xFFFF);
param.setNodesLabelStencil(0xFFFF);
param.setDisplayEdges(false);
param.setDisplayNodes(true);
glGraph->setRenderingParameters (param);
}
namespace tlp {
int PixelOrientedOverview::overviewCpt(0);
PixelOrientedOverview::PixelOrientedOverview(TulipGraphDimension *data, PixelOrientedMediator *pixelOrientedMediator,
Coord blCornerPos, const std::string &dimName, const Color &backgroundColor, const Color &textColor)
: data(data), pixelOrientedMediator(pixelOrientedMediator), blCornerPos(blCornerPos),
dimName(dimName), frame(NULL), frame2(NULL), overviewGen(false), backgroundColor(backgroundColor), textColor(textColor) {
if (this->dimName == "") {
this->dimName = data->getDimensionName();
}
overviewId = overviewCpt++;
textureName = dimName + " texture " + getStringFromNumber(overviewId);
unsigned int width = pixelOrientedMediator->getImageWidth();
unsigned int height = pixelOrientedMediator->getImageHeight();
unsigned int labelHeight = height / 4;
Graph *graph = data->getTulipGraph();
pixelLayout = new LayoutProperty(graph);
pixelSize = new SizeProperty(graph);
graphComposite = new GlGraphComposite(graph);
setGraphView(graphComposite);
GlGraphInputData *glGraphInputData = graphComposite->getInputData();
glGraphInputData->setElementLayout(pixelLayout);
glGraphInputData->setElementSize(pixelSize);
frame = new GlRect(Coord(blCornerPos.getX() - 3, blCornerPos.getY() + height + 3),
Coord(blCornerPos.getX() + width + 3, blCornerPos.getY() - 3),
Color(0, 0, 0), Color(0, 0, 0), false, true);
addGlEntity(frame, dimName + "frame");
frame2 = new GlRect(Coord(blCornerPos.getX() - 4, blCornerPos.getY() + height + 4),
Coord(blCornerPos.getX() + width + 4, blCornerPos.getY() - 4),
Color(0, 0, 0), Color(0, 0, 0), false, true);
addGlEntity(frame2, dimName + "frame 2");
backgroundRect = new GlRect(Coord(blCornerPos.getX(), blCornerPos.getY() + height), Coord(blCornerPos.getX() + width, blCornerPos.getY()), Color(255,255,255), Color(255,255,255), true, false);
addGlEntity(backgroundRect, "background rect");
clickLabel = new GlLabel(Coord(blCornerPos.getX() + width / 2, blCornerPos.getY() + height / 2), Size(width, height / 4), Color(0,0,0));
clickLabel->setText("Double Click to generate overview");
addGlEntity(clickLabel, "label");
computeBoundingBox();
overviewLabel = new GlLabel(Coord(blCornerPos.getX() + width / 2, blCornerPos.getY() - labelHeight / 2), Size(width, labelHeight), textColor);
overviewLabel->setText(dimName);
addGlEntity(overviewLabel, "overview label");
}
PixelOrientedOverview::~PixelOrientedOverview() {
GlTextureManager::getInst().deleteTexture(textureName);
reset(true);
}
struct NodeCoordXOrdering : public binary_function<pair<node, Coord>, pair<node, Coord>, bool> {
bool operator()(pair<node, Coord> p1, pair<node, Coord> p2) {
return p1.second.getX() < p2.second.getX();
}
};
struct NodeCoordYOrdering : public binary_function<pair<node, Coord>, pair<node, Coord>, bool> {
bool operator()(pair<node, Coord> p1, pair<node, Coord> p2) {
return p1.second.getY() > p2.second.getY();
}
};
void PixelOrientedOverview::computePixelView(GlMainWidget *glWidget) {
reset(false);
if (clickLabel != NULL) {
delete clickLabel;
clickLabel = NULL;
}
if (backgroundRect != NULL) {
delete backgroundRect;
backgroundRect = NULL;
}
if (frame != NULL) {
delete frame;
frame = NULL;
}
if (frame2 != NULL) {
delete frame2;
frame2 = NULL;
}
Graph *graph = data->getTulipGraph();
unsigned int width = pixelOrientedMediator->getImageWidth();
unsigned int height = pixelOrientedMediator->getImageHeight();
GlProgressBar *glProgressBar = NULL;
if (glWidget != NULL) {
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 != NULL && 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 != NULL) {
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) == NULL) {
addGlEntity(new Gl2DRect(blCornerPos.getY() + pixelOrientedMediator->getImageHeight() , blCornerPos.getY()
, blCornerPos.getX(), blCornerPos.getX()
+ pixelOrientedMediator->getImageWidth(), textureName), dimName);
addGlEntity(overviewLabel, "overview label");
computeBoundingBox();
}
overviewGen = true;
}
void PixelOrientedOverview::setBLCorner(const Coord &blCorner) {
GlComposite::translate(blCorner - blCornerPos);
blCornerPos = blCorner;
computeBoundingBox();
}
}
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