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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/GlTools.h>
#include <tulip/GlLabel.h>
#include "ParallelAxis.h"
using namespace std;
namespace tlp {
void drawComposite(GlComposite *composite, float lod, Camera *camera) {
map<string, GlSimpleEntity*> glEntities(composite->getGlEntities());
map<string, GlSimpleEntity*>::iterator it2;
for (it2 = glEntities.begin(); it2 != glEntities.end() ; ++it2) {
GlSimpleEntity *entity = it2->second;
GlComposite *compositeEntity = dynamic_cast<GlComposite *>(entity);
if (compositeEntity != NULL) {
drawComposite(compositeEntity, lod, camera);
}
else {
entity->draw(lod, camera);
}
}
}
ParallelAxis::ParallelAxis(GlAxis *glAxis, const float axisAreaWidth, const float rotationAngle, const GlAxis::CaptionLabelPosition captionPosition) : glAxis(glAxis), axisAreaWidth(axisAreaWidth), slidersActivated(false), rotationAngle(rotationAngle), hidden(false) {
setStencil(1);
glAxis->addCaption(captionPosition, 20.0f, true, axisAreaWidth / 2.0f, glAxis->getAxisLength() / 18.0f);
glAxis->updateAxis();
BoundingBox axisBB(glAxis->getBoundingBox());
emptyRect = new GlRect(Coord(axisBB[0][0], axisBB[1][1] + glAxis->getAxisLength() / 10.0f), Coord(axisBB[1][0], axisBB[0][1] - glAxis->getAxisLength() / 15.0f), Color(0,0,0,0), Color(0,0,0,0), true, false);
enableTrickForSelection();
glAxis->updateAxis();
resetSlidersPosition();
}
ParallelAxis::~ParallelAxis() {
delete glAxis;
}
void ParallelAxis::setAxisHeight(const float height) {
float resizeFactor = height / getAxisHeight();
glAxis->setAxisLength(height);
Coord baseCoord(glAxis->getAxisBaseCoord());
bottomSliderCoord = baseCoord + Coord(0.0f ,(bottomSliderCoord.getY() - baseCoord.getY()) * resizeFactor);
topSliderCoord = baseCoord + Coord(0.0f ,(topSliderCoord.getY() - baseCoord.getY()) * resizeFactor);
}
void ParallelAxis::setRotationAngle(const float rotationAngle) {
this->rotationAngle = rotationAngle;
}
void ParallelAxis::setCaptionPosition(const GlAxis::CaptionLabelPosition captionPosition) {
glAxis->addCaption(captionPosition, 20.0f, true, axisAreaWidth / 2.0f, glAxis->getAxisLength() / 18.0f);
glAxis->updateAxis();
}
void ParallelAxis::translate(const Coord &c) {
glAxis->translate(c);
topSliderCoord += c;
bottomSliderCoord += c;
}
void ParallelAxis::setBaseCoord(const Coord &baseCoord) {
translate(baseCoord - glAxis->getAxisBaseCoord());
}
void ParallelAxis::draw(float lod,Camera *camera) {
if (rotationAngle != 0.0f) {
glPushMatrix();
glRotatef(rotationAngle, 0.0f , 0.0f, 1.0f);
GlLabel *captionLabel = NULL;
GlComposite *axisCaptionComposite = dynamic_cast<GlComposite *>(glAxis->findGlEntity("caption composite"));
if (axisCaptionComposite != NULL) {
string captionLabelId = glAxis->getAxisName() + " axis caption";
captionLabel = dynamic_cast<GlLabel *>(axisCaptionComposite->findGlEntity(captionLabelId));
}
if (captionLabel != NULL) {
if (rotationAngle > -270.0f && rotationAngle < -90.0f) {
captionLabel->rotate(0.0f, 0.0f, -180.0f);
}
else {
captionLabel->rotate(0.0f, 0.0f, 0.0f);
}
}
}
drawComposite(glAxis, lod, camera);
if (rotationAngle != 0.0f) {
glPopMatrix();
}
}
void ParallelAxis::redraw() {
glAxis->updateAxis();
}
void ParallelAxis::resetSlidersPosition() {
Coord baseCoord(glAxis->getAxisBaseCoord());
bottomSliderCoord = baseCoord;
topSliderCoord = baseCoord + Coord(0.0f, getAxisHeight());
}
void ParallelAxis::enableTrickForSelection() {
glAxis->addGlEntity(emptyRect, "empty rect");
}
void ParallelAxis::disableTrickForSelection() {
glAxis->deleteGlEntity(emptyRect);
}
BoundingBox ParallelAxis::getBoundingBox() {
BoundingBox glAxisBB(glAxis->getBoundingBox());
if (rotationAngle != 0.0f) {
Coord bbBL(glAxisBB[0]);
Coord bbTR(glAxisBB[1]);
Coord bbBR(glAxisBB[1][0], glAxisBB[0][1]);
Coord bbTL(glAxisBB[0][0], glAxisBB[1][1]);
rotateVector(bbBL, rotationAngle, Z_ROT);
rotateVector(bbTR, rotationAngle, Z_ROT);
rotateVector(bbBR, rotationAngle, Z_ROT);
rotateVector(bbTL, rotationAngle, Z_ROT);
glAxisBB = BoundingBox();
glAxisBB.expand(bbBL);
glAxisBB.expand(bbTR);
glAxisBB.expand(bbBR);
glAxisBB.expand(bbTL);
}
return glAxisBB;
}
Array<Coord, 4> ParallelAxis::getBoundingPolygonCoords() const {
Array<Coord, 4> ret;
BoundingBox glAxisBB(glAxis->getBoundingBox());
Coord bbBL(glAxisBB[0]);
Coord bbTR(glAxisBB[1]);
Coord bbBR(glAxisBB[1][0], glAxisBB[0][1]);
Coord bbTL(glAxisBB[0][0], glAxisBB[1][1]);
if (rotationAngle != 0.0f) {
rotateVector(bbBL, rotationAngle, Z_ROT);
rotateVector(bbTR, rotationAngle, Z_ROT);
rotateVector(bbBR, rotationAngle, Z_ROT);
rotateVector(bbTL, rotationAngle, Z_ROT);
}
ret[0] = bbTL;
ret[1] = bbTR;
ret[2] = bbBR;
ret[3] = bbBL;
return ret;
}
Coord ParallelAxis::getBaseCoord() const {
return glAxis->getAxisBaseCoord();
}
Coord ParallelAxis::getTopCoord() const {
return glAxis->getAxisBaseCoord() + Coord(0, getAxisHeight(), 0.0f);
}
}
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