/
NaviCube.cpp
1428 lines (1230 loc) · 38.8 KB
/
NaviCube.cpp
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/***************************************************************************
* Copyright (c) 2017 Kustaa Nyholm <kustaa.nyholm@sparetimelabs.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <float.h>
# ifdef FC_OS_WIN32
# include <windows.h>
# endif
# ifdef FC_OS_MACOSX
# include <OpenGL/gl.h>
# else
# include <GL/gl.h>
# endif
# include <Inventor/SbBox.h>
# include <Inventor/actions/SoGetBoundingBoxAction.h>
# include <Inventor/actions/SoGetMatrixAction.h>
# include <Inventor/actions/SoHandleEventAction.h>
# include <Inventor/actions/SoToVRML2Action.h>
# include <Inventor/actions/SoWriteAction.h>
# include <Inventor/elements/SoViewportRegionElement.h>
# include <Inventor/manips/SoClipPlaneManip.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCallback.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoCube.h>
# include <Inventor/nodes/SoDirectionalLight.h>
# include <Inventor/nodes/SoEventCallback.h>
# include <Inventor/nodes/SoFaceSet.h>
# include <Inventor/nodes/SoImage.h>
# include <Inventor/nodes/SoIndexedFaceSet.h>
# include <Inventor/nodes/SoLightModel.h>
# include <Inventor/nodes/SoLocateHighlight.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoMaterialBinding.h>
# include <Inventor/nodes/SoOrthographicCamera.h>
# include <Inventor/nodes/SoPerspectiveCamera.h>
# include <Inventor/nodes/SoRotationXYZ.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoShapeHints.h>
# include <Inventor/nodes/SoSwitch.h>
# include <Inventor/nodes/SoTransform.h>
# include <Inventor/nodes/SoTranslation.h>
# include <Inventor/nodes/SoSelection.h>
# include <Inventor/nodes/SoText2.h>
# include <Inventor/actions/SoBoxHighlightRenderAction.h>
# include <Inventor/events/SoEvent.h>
# include <Inventor/events/SoKeyboardEvent.h>
# include <Inventor/events/SoLocation2Event.h>
# include <Inventor/events/SoMotion3Event.h>
# include <Inventor/events/SoMouseButtonEvent.h>
# include <Inventor/actions/SoRayPickAction.h>
# include <Inventor/projectors/SbSphereSheetProjector.h>
# include <Inventor/SoOffscreenRenderer.h>
# include <Inventor/SoPickedPoint.h>
# include <Inventor/VRMLnodes/SoVRMLGroup.h>
# include <QEventLoop>
# include <QKeyEvent>
# include <QWheelEvent>
# include <QMessageBox>
# include <QTimer>
# include <QStatusBar>
# include <QBitmap>
# include <QMimeData>
#endif
#include <sstream>
#include <Base/Console.h>
#include <Base/Stream.h>
#include <Base/FileInfo.h>
#include <Base/Rotation.h>
#include <Base/Sequencer.h>
#include <Base/Tools.h>
#include <Base/UnitsApi.h>
#include "View3DInventorViewer.h"
#include "View3DInventor.h"
#include "Application.h"
#include "MainWindow.h"
#include "MDIView.h"
#include "Command.h"
#include "NaviCube.h"
#include <QCursor>
#include <QIcon>
#include <QMenu>
#include <QAction>
#include <QImage>
#include <QPainterPath>
#include <QApplication>
#if defined(HAVE_QT5_OPENGL)
# include <QOpenGLTexture>
#endif
//#include <OpenGL/glu.h>
#include <Eigen/Dense>
#include <vector>
#include <map>
#include <algorithm>
#include <iostream>
using namespace Eigen;
using namespace std;
using namespace Gui;
// TODO
// ortho / persp
// stay in window
// corner angle
// menu actions
// size
// XYZ position
// menu feedback
// colors
// antialise cube icon
// translation
// DONE
// - permanent menu ("NaviCube_Menu"
// - improved hit testing
// - improved graphics (text now black)
// - first stab at supporting translations
class Face {
public:
int m_FirstVertex;
int m_VertexCount;
GLuint m_TextureId;
QColor m_Color;
int m_PickId;
GLuint m_PickTextureId;
int m_RenderPass;
Face(
int firstVertex,
int vertexCount,
GLuint textureId,
int pickId,
GLuint pickTextureId,
const QColor& color,
int renderPass
)
{
m_FirstVertex = firstVertex;
m_VertexCount = vertexCount;
m_TextureId = textureId;
m_PickId = pickId;
m_PickTextureId = pickTextureId;
m_Color = color;
m_RenderPass = renderPass;
}
};
class NaviCubeImplementation {
public:
NaviCubeImplementation(Gui::View3DInventorViewer*);
virtual ~ NaviCubeImplementation();
void drawNaviCube();
void createContextMenu(const std::vector<std::string>& cmd);
bool processSoEvent(const SoEvent* ev);
private:
bool mousePressed(short x, short y);
bool mouseReleased(short x, short y);
bool mouseMoved(short x, short y);
int pickFace(short x, short y);
bool inDragZone(short x, short y);
void handleResize();
void handleMenu();
void setHilite(int);
void initNaviCube(QtGLWidget*);
void addFace(const Vector3f&, const Vector3f&, int, int, int, int,bool flag=false);
GLuint createCubeFaceTex(QtGLWidget*, float, float, const char*);
GLuint createButtonTex(QtGLWidget*, int);
GLuint createMenuTex(QtGLWidget*, bool);
void setView(float ,float );
void rotateView(int ,float );
QString str(char* str);
char* enum2str(int);
QMenu* createNaviCubeMenu();
public:
enum { //
TEX_FRONT = 1, // 0 is reserved for 'nothing picked'
TEX_REAR,
TEX_TOP,
TEX_BOTTOM,
TEX_LEFT,
TEX_RIGHT,
TEX_BACK_FACE,
TEX_FRONT_FACE,
TEX_CORNER_FACE,
TEX_BOTTOM_RIGHT_REAR,
TEX_BOTTOM_FRONT_RIGHT,
TEX_BOTTOM_LEFT_FRONT,
TEX_BOTTOM_REAR_LEFT,
TEX_TOP_RIGHT_FRONT,
TEX_TOP_FRONT_LEFT,
TEX_TOP_LEFT_REAR,
TEX_TOP_REAR_RIGHT,
TEX_ARROW_NORTH,
TEX_ARROW_SOUTH,
TEX_ARROW_EAST,
TEX_ARROW_WEST,
TEX_ARROW_RIGHT,
TEX_ARROW_LEFT,
TEX_VIEW_MENU_ICON,
TEX_VIEW_MENU_FACE
};
enum {
DIR_UP,DIR_RIGHT,DIR_OUT
};
Gui::View3DInventorViewer* m_View3DInventorViewer;
void drawNaviCube(bool picking);
int m_OverSample = 4;
int m_CubeWidgetSize = 0;
int m_CubeWidgetPosX = 0;
int m_CubeWidgetPosY = 0;
int m_PrevWidth = 0;
int m_PrevHeight = 0;
QColor m_HiliteColor;
QColor m_ButtonColor;
QColor m_FrontFaceColor;
QColor m_BackFaceColor;
int m_HiliteId = 0;
bool m_MouseDown = false;
bool m_Dragging = false;
bool m_MightDrag = false;
NaviCube::Corner m_Corner = NaviCube::TopRightCorner;
QtGLFramebufferObject* m_PickingFramebuffer;
bool m_NaviCubeInitialised = false;
vector<GLubyte> m_IndexArray;
vector<Vector2f> m_TextureCoordArray;
vector<Vector3f> m_VertexArray;
map<int,GLuint> m_Textures;
vector<Face*> m_Faces;
vector<int> m_Buttons;
#if defined(HAVE_QT5_OPENGL)
vector<QOpenGLTexture *> m_glTextures;
#endif
static vector<string> m_commands;
static vector<string> m_labels;
QMenu* m_Menu;
};
NaviCube::NaviCube(Gui::View3DInventorViewer* viewer) {
m_NaviCubeImplementation = new NaviCubeImplementation(viewer);
}
NaviCube::~NaviCube() {
delete m_NaviCubeImplementation;
}
void NaviCube::drawNaviCube() {
m_NaviCubeImplementation->drawNaviCube();
}
void NaviCube::createContextMenu(const std::vector<std::string>& cmd) {
m_NaviCubeImplementation->createContextMenu(cmd);
}
bool NaviCube::processSoEvent(const SoEvent* ev) {
return m_NaviCubeImplementation->processSoEvent(ev);
}
vector<string> NaviCubeImplementation::m_commands;
vector<string> NaviCubeImplementation::m_labels;
void NaviCube::setCorner(Corner c) {
m_NaviCubeImplementation->m_Corner = c;
m_NaviCubeImplementation->m_PrevWidth = 0;
m_NaviCubeImplementation->m_PrevHeight = 0;
}
NaviCubeImplementation::NaviCubeImplementation(
Gui::View3DInventorViewer* viewer) {
m_View3DInventorViewer = viewer;
m_FrontFaceColor = QColor(255,255,255,128);
m_BackFaceColor = QColor(226,233,239,128);
m_HiliteColor = QColor(170,226,247);
m_ButtonColor = QColor(226,233,239,128);
m_PickingFramebuffer = NULL;
m_CubeWidgetSize = (App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View")->GetInt("NaviWidgetSize", 132));
m_Menu = createNaviCubeMenu();
}
NaviCubeImplementation::~NaviCubeImplementation() {
delete m_Menu;
if (m_PickingFramebuffer)
delete m_PickingFramebuffer;
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++)
delete *f;
#if defined(HAVE_QT5_OPENGL)
for (vector<QOpenGLTexture *>::iterator t = m_glTextures.begin(); t != m_glTextures.end(); t++)
delete *t;
#endif
}
char* NaviCubeImplementation::enum2str(int e) {
switch (e) {
default : return "???";
case TEX_FRONT : return "TEX_FRONT";
case TEX_REAR: return "TEX_REAR";
case TEX_TOP: return "TEX_TOP";
case TEX_BOTTOM: return "TEX_BOTTOM";
case TEX_RIGHT : return "TEX_RIGHT";
case TEX_LEFT: return "TEX_LEFT";
case TEX_BACK_FACE: return "TEX_BACK_FACE";
case TEX_FRONT_FACE: return "TEX_FRONT_FACE";
case TEX_CORNER_FACE: return "TEX_CORNER_FACE";
case TEX_BOTTOM_RIGHT_REAR: return "TEX_BOTTOM_RIGHT_REAR";
case TEX_BOTTOM_FRONT_RIGHT: return "TEX_BOTTOM_FRONT_RIGHT";
case TEX_BOTTOM_LEFT_FRONT: return "TEX_BOTTOM_LEFT_FRONT";
case TEX_BOTTOM_REAR_LEFT: return "TEX_BOTTOM_REAR_LEFT";
case TEX_TOP_RIGHT_FRONT: return "TEX_TOP_RIGHT_FRONT";
case TEX_TOP_FRONT_LEFT: return "TEX_TOP_FRONT_LEFT";
case TEX_TOP_LEFT_REAR: return "TEX_TOP_LEFT_REAR";
case TEX_TOP_REAR_RIGHT: return "TEX_TOP_REAR_RIGHT";
case TEX_ARROW_NORTH: return "TEX_ARROW_NORTH";
case TEX_ARROW_SOUTH: return "TEX_ARROW_SOUTH";
case TEX_ARROW_EAST: return "TEX_ARROW_EAST";
case TEX_ARROW_WEST: return "TEX_ARROW_WEST";
case TEX_ARROW_RIGHT: return "TEX_ARROW_RIGHT";
case TEX_ARROW_LEFT: return "TEX_ARROW_LEFT";
case TEX_VIEW_MENU_ICON : return "TEX_VIEW_MENU_ICON";
case TEX_VIEW_MENU_FACE: return "TEX_VIEW_MENU";
}
}
GLuint NaviCubeImplementation::createCubeFaceTex(QtGLWidget* gl, float gap, float radius, const char* text) {
int texSize = m_CubeWidgetSize * m_OverSample;
int gapi = texSize * gap;
int radiusi = texSize * radius;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
QPainter paint;
paint.begin(&image);
if (text) {
paint.setPen(Qt::white);
QFont sansFont(str("Helvetica"), 0.18 * texSize);
sansFont.setStretch(QFont::ExtraCondensed);
paint.setFont(sansFont);
paint.drawText(QRect(0, 0, texSize, texSize), Qt::AlignCenter,qApp->translate("Gui::NaviCube",text));
}
else {
QPainterPath path;
path.addRoundedRect(QRectF(gapi, gapi, texSize - 2 * gapi, texSize - 2 * gapi), radiusi, radiusi);
paint.fillPath(path, Qt::white);
}
paint.end();
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
texture->setMinificationFilter(QOpenGLTexture::Nearest);
texture->setMagnificationFilter(QOpenGLTexture::Linear);
return texture->textureId();
#endif
}
GLuint NaviCubeImplementation::createButtonTex(QtGLWidget* gl, int button) {
int texSize = m_CubeWidgetSize * m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
QPainter painter;
painter.begin(&image);
QTransform transform;
transform.translate(texSize / 2, texSize / 2);
transform.scale(texSize / 2, texSize / 2);
painter.setTransform(transform);
QPainterPath path;
float as1 = 0.18f; // arrow size
float as3 = as1 / 3;
switch (button) {
default:
break;
case TEX_ARROW_RIGHT:
case TEX_ARROW_LEFT: {
QRectF r(-1.00, -1.00, 2.00, 2.00);
QRectF r0(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r1(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r2(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r3(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r4(r);
float a0 = 72;
float a1 = 45;
float a2 = 32;
if (TEX_ARROW_LEFT == button) {
a0 = 180 - a0;
a1 = 180 - a1;
a2 = 180 - a2;
}
path.arcMoveTo(r0, a1);
QPointF p0 = path.currentPosition();
path.arcMoveTo(r2, a2);
QPointF p1 = path.currentPosition();
path.arcMoveTo(r4, a1);
QPointF p2 = path.currentPosition();
path.arcMoveTo(r1, a0);
path.arcTo(r1, a0, -(a0 - a1));
path.lineTo(p0);
path.lineTo(p1);
path.lineTo(p2);
path.arcTo(r3, a1, +(a0 - a1));
break;
}
case TEX_ARROW_EAST: {
path.moveTo(1, 0);
path.lineTo(1 - as1, +as1);
path.lineTo(1 - as1, -as1);
break;
}
case TEX_ARROW_WEST: {
path.moveTo(-1, 0);
path.lineTo(-1 + as1, -as1);
path.lineTo(-1 + as1, +as1);
break;
}
case TEX_ARROW_SOUTH: {
path.moveTo(0, 1);
path.lineTo(-as1,1 - as1);
path.lineTo(+as1,1 - as1);
break;
}
case TEX_ARROW_NORTH: {
path.moveTo(0, -1);
path.lineTo(+as1,-1 + as1);
path.lineTo(-as1,-1 + as1);
break;
}
}
painter.fillPath(path, Qt::white);
painter.end();
//image.save(str(enum2str(button))+str(".png"));
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
texture->setMinificationFilter(QOpenGLTexture::Nearest);
texture->setMagnificationFilter(QOpenGLTexture::Linear);
return texture->textureId();
#endif
}
GLuint NaviCubeImplementation::createMenuTex(QtGLWidget* gl, bool forPicking) {
int texSize = m_CubeWidgetSize * m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(0, 0, 0, 0));
QPainter painter;
painter.begin(&image);
QTransform transform;
transform.translate(texSize * 12 / 16, texSize * 13 / 16);
transform.scale(texSize/200.0,texSize/200.0); // 200 == size at which this was designed
painter.setTransform(transform);
QPainterPath path;
if (forPicking) {
path.addRoundedRect(-25,-8,75,45,6,6);
painter.fillPath(path, Qt::white);
}
else {
// top
path.moveTo(0,0);
path.lineTo(15,5);
path.lineTo(0,10);
path.lineTo(-15,5);
painter.fillPath(path, QColor(240,240,240));
// left
QPainterPath path2;
path2.lineTo(0,10);
path2.lineTo(-15,5);
path2.lineTo(-15,25);
path2.lineTo(0,30);
painter.fillPath(path2, QColor(190,190,190));
// right
QPainterPath path3;
path3.lineTo(0,10);
path3.lineTo(15,5);
path3.lineTo(15,25);
path3.lineTo(0,30);
painter.fillPath(path3, QColor(220,220,220));
// outline
QPainterPath path4;
path4.moveTo(0,0);
path4.lineTo(15,5);
path4.lineTo(15,25);
path4.lineTo(0,30);
path4.lineTo(-15,25);
path4.lineTo(-15,5);
path4.lineTo(0,0);
painter.strokePath(path4, QColor(128,128,128));
// menu triangle
QPainterPath path5;
path5.moveTo(20,10);
path5.lineTo(40,10);
path5.lineTo(30,20);
path5.lineTo(20,10);
painter.fillPath(path5, QColor(64,64,64));
}
painter.end();
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
texture->setMinificationFilter(QOpenGLTexture::Nearest);
texture->setMagnificationFilter(QOpenGLTexture::Linear);
return texture->textureId();
#endif
}
void NaviCubeImplementation::addFace(const Vector3f& x, const Vector3f& z, int frontTex, int backTex, int pickTex, int pickId,bool text) {
Vector3f y = x.cross(-z);
y = y / y.norm() * x.norm();
int t = m_VertexArray.size();
m_VertexArray.push_back(z - x - y);
m_TextureCoordArray.emplace_back(0, 0);
m_VertexArray.push_back(z + x - y);
m_TextureCoordArray.emplace_back(1, 0);
m_VertexArray.push_back(z + x + y);
m_TextureCoordArray.emplace_back(1, 1);
m_VertexArray.push_back(z - x + y);
m_TextureCoordArray.emplace_back(0, 1);
// TEX_TOP, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_TOP
// TEX_TOP frontTex,
// TEX_BACK_FACE backTex
// TEX_FRONT_FACE pickTex,
// TEX_TOP pickId
Face* ff = new Face(
m_IndexArray.size(),
4,
m_Textures[pickTex],
pickId,
m_Textures[pickTex],
m_FrontFaceColor,
1);
m_Faces.push_back(ff);
if (text) {
Face* ft = new Face(
m_IndexArray.size(),
4,
m_Textures[frontTex],
pickId,
m_Textures[pickTex],
Qt::black,
2);
m_Faces.push_back(ft);
}
for (int i = 0; i < 4; i++)
m_IndexArray.push_back(t + i);
Face* bf = new Face(
m_IndexArray.size(),
4,
m_Textures[backTex],
pickId,
m_Textures[backTex],
m_BackFaceColor,
0
);
m_Faces.push_back(bf);
for (int i = 0; i < 4; i++)
m_IndexArray.push_back(t + 4 - 1 - i);
}
void NaviCubeImplementation::initNaviCube(QtGLWidget* gl) {
Vector3f x(1, 0, 0);
Vector3f y(0, 1, 0);
Vector3f z(0, 0, 1);
float cs, sn;
cs = cos(90 * M_PI / 180);
sn = sin(90 * M_PI / 180);
Matrix3f r90x;
r90x << 1, 0, 0,
0, cs, -sn,
0, sn, cs;
Matrix3f r90z;
r90z << cs, sn, 0,
-sn, cs, 0,
0, 0, 1;
cs = cos(45 * M_PI / 180);
sn = sin(45 * M_PI / 180);
Matrix3f r45z;
r45z << cs, sn, 0,
-sn, cs, 0,
0, 0, 1;
cs = cos(atan(sqrt(2.0)));
sn = sin(atan(sqrt(2.0)));
Matrix3f r45x;
r45x << 1, 0, 0,
0, cs, -sn,
0, sn, cs;
m_Textures[TEX_CORNER_FACE] = createCubeFaceTex(gl, 0, 0.5f, NULL);
m_Textures[TEX_BACK_FACE] = createCubeFaceTex(gl, 0.02f, 0.3f, NULL);
vector<string> labels = NaviCubeImplementation::m_labels;
if (labels.size() != 6) {
labels.clear();
labels.push_back("FRONT");
labels.push_back("REAR");
labels.push_back("TOP");
labels.push_back("BOTTOM");
labels.push_back("RIGHT");
labels.push_back("LEFT");
}
float gap = 0.12f;
float radius = 0.12f;
m_Textures[TEX_FRONT] = createCubeFaceTex(gl, gap, radius, labels[0].c_str());
m_Textures[TEX_REAR] = createCubeFaceTex(gl, gap, radius, labels[1].c_str());
m_Textures[TEX_TOP] = createCubeFaceTex(gl, gap, radius, labels[2].c_str());
m_Textures[TEX_BOTTOM] = createCubeFaceTex(gl, gap, radius, labels[3].c_str());
m_Textures[TEX_RIGHT] = createCubeFaceTex(gl, gap, radius, labels[4].c_str());
m_Textures[TEX_LEFT] = createCubeFaceTex(gl, gap, radius, labels[5].c_str());
m_Textures[TEX_FRONT_FACE] = createCubeFaceTex(gl, gap, radius, NULL);
m_Textures[TEX_ARROW_NORTH] = createButtonTex(gl, TEX_ARROW_NORTH);
m_Textures[TEX_ARROW_SOUTH] = createButtonTex(gl, TEX_ARROW_SOUTH);
m_Textures[TEX_ARROW_EAST] = createButtonTex(gl, TEX_ARROW_EAST);
m_Textures[TEX_ARROW_WEST] = createButtonTex(gl, TEX_ARROW_WEST);
m_Textures[TEX_ARROW_LEFT] = createButtonTex(gl, TEX_ARROW_LEFT);
m_Textures[TEX_ARROW_RIGHT] = createButtonTex(gl, TEX_ARROW_RIGHT);
m_Textures[TEX_VIEW_MENU_ICON] = createMenuTex(gl, false);
m_Textures[TEX_VIEW_MENU_FACE] = createMenuTex(gl, true);
// front,back,pick,pickid
addFace(x, z, TEX_TOP, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_TOP,true);
x = r90x * x;
z = r90x * z;
addFace(x, z, TEX_FRONT, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_FRONT,true);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_LEFT, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_LEFT,true);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_REAR, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_REAR,true);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_RIGHT, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_RIGHT,true);
x = r90x * r90z * x;
z = r90x * r90z * z;
addFace(x, z, TEX_BOTTOM, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_BOTTOM,true);
z = r45z * r45x * z;
x = r45z * r45x * x;
x *= 0.23f; // corner face size
z *= 1.43f; // corner face position
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_BOTTOM_RIGHT_REAR);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_BOTTOM_FRONT_RIGHT);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_BOTTOM_LEFT_FRONT);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_BOTTOM_REAR_LEFT);
x = r90x * r90x * r90z * x;
z = r90x * r90x * r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_TOP_RIGHT_FRONT);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_TOP_FRONT_LEFT);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_TOP_LEFT_REAR);
x = r90z * x;
z = r90z * z;
addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_TOP_REAR_RIGHT);
m_Buttons.push_back(TEX_ARROW_NORTH);
m_Buttons.push_back(TEX_ARROW_SOUTH);
m_Buttons.push_back(TEX_ARROW_EAST);
m_Buttons.push_back(TEX_ARROW_WEST);
m_Buttons.push_back(TEX_ARROW_LEFT);
m_Buttons.push_back(TEX_ARROW_RIGHT);
m_PickingFramebuffer = new QtGLFramebufferObject(2*m_CubeWidgetSize,2* m_CubeWidgetSize, QtGLFramebufferObject::CombinedDepthStencil);
}
void NaviCubeImplementation::drawNaviCube() {
glViewport(m_CubeWidgetPosX-m_CubeWidgetSize/2, m_CubeWidgetPosY-m_CubeWidgetSize/2, m_CubeWidgetSize, m_CubeWidgetSize);
drawNaviCube(false);
}
void NaviCubeImplementation::createContextMenu(const std::vector<std::string>& cmd) {
CommandManager &rcCmdMgr = Application::Instance->commandManager();
m_Menu->clear();
for (vector<string>::const_iterator i=cmd.begin(); i!=cmd.end(); i++) {
Command* cmd = rcCmdMgr.getCommandByName(i->c_str());
if (cmd)
cmd->addTo(m_Menu);
}
}
void NaviCubeImplementation::handleResize() {
SbVec2s view = m_View3DInventorViewer->getSoRenderManager()->getSize();
if ((m_PrevWidth != view[0]) || (m_PrevHeight != view[1])) {
if ((m_PrevWidth > 0) && (m_PrevHeight > 0)) {
// maintain position relative to closest edge
if (m_CubeWidgetPosX > m_PrevWidth / 2)
m_CubeWidgetPosX = view[0] - (m_PrevWidth -m_CubeWidgetPosX);
if (m_CubeWidgetPosY > m_PrevHeight / 2)
m_CubeWidgetPosY = view[1] - (m_PrevHeight - m_CubeWidgetPosY);
}
else { // initial position
switch (m_Corner) {
case NaviCube::TopLeftCorner:
m_CubeWidgetPosX = m_CubeWidgetSize*1.1 / 2;
m_CubeWidgetPosY = view[1] - m_CubeWidgetSize*1.1 / 2;
break;
case NaviCube::TopRightCorner:
m_CubeWidgetPosX = view[0] - m_CubeWidgetSize*1.1 / 2;
m_CubeWidgetPosY = view[1] - m_CubeWidgetSize*1.1 / 2;
break;
case NaviCube::BottomLeftCorner:
m_CubeWidgetPosX = m_CubeWidgetSize*1.1 / 2;
m_CubeWidgetPosY = m_CubeWidgetSize*1.1 / 2;
break;
case NaviCube::BottomRightCorner:
m_CubeWidgetPosX = view[0] - m_CubeWidgetSize*1.1 / 2;
m_CubeWidgetPosY = m_CubeWidgetSize*1.1 / 2;
break;
}
}
m_PrevWidth = view[0];
m_PrevHeight = view[1];
m_View3DInventorViewer->getSoRenderManager()->scheduleRedraw();
}
}
void NaviCubeImplementation::drawNaviCube(bool pickMode) {
// initializes stuff here when we actually have a context
// FIXME actually now that we have Qt5, we could probably do this earlier (as we do not need the opengl context)
if (!m_NaviCubeInitialised) {
QtGLWidget* gl = static_cast<QtGLWidget*>(m_View3DInventorViewer->viewport());
if (gl == NULL)
return;
initNaviCube(gl);
m_NaviCubeInitialised = true;
}
SoCamera* cam = m_View3DInventorViewer->getSoRenderManager()->getCamera();
if (!cam)
return;
handleResize();
// Store GL state.
glPushAttrib(GL_ALL_ATTRIB_BITS);
GLfloat depthrange[2];
glGetFloatv(GL_DEPTH_RANGE, depthrange);
GLdouble projectionmatrix[16];
glGetDoublev(GL_PROJECTION_MATRIX, projectionmatrix);
glDepthMask(GL_TRUE);
glDepthRange(0.0, 1.0);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glLineWidth(2.0);
glDisable(GL_LIGHTING);
//glDisable(GL_BLEND);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//glTexEnvf(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDepthMask(GL_TRUE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glShadeModel(GL_SMOOTH);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CCW);
glAlphaFunc( GL_GREATER, 0.25);
glEnable( GL_ALPHA_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
const float NEARVAL = 0.1f;
const float FARVAL = 10.0f;
const float dim = NEARVAL * float(tan(M_PI / 8.0))*1.2;
glFrustum(-dim, dim, -dim, dim, NEARVAL, FARVAL);
SbMatrix mx;
mx = cam->orientation.getValue();
mx = mx.inverse();
mx[3][2] = -5.0;
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf((float*) mx);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
if (pickMode) {
glDisable(GL_BLEND);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glShadeModel(GL_FLAT);
glDisable(GL_DITHER);
glDisable(GL_POLYGON_SMOOTH);
}
else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
glClear(GL_DEPTH_BUFFER_BIT);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, (void*) m_VertexArray.data());
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, m_TextureCoordArray.data());
if (!pickMode) {
// Draw the axes
glDisable(GL_TEXTURE_2D);
float a=1.1f;
static GLubyte xbmp[] = { 0x11,0x11,0x0a,0x04,0x0a,0x11,0x11 };
glColor3f(1, 0, 0);
glBegin(GL_LINES);
glVertex3f(-1 , -1, -1);
glVertex3f(+1 , -1, -1);
glEnd();
glRasterPos3d(a, -a, -a);
glBitmap(8, 7, 0, 0, 0, 0, xbmp);
static GLubyte ybmp[] = { 0x04,0x04,0x04,0x04,0x0a,0x11,0x11 };
glColor3f(0, 1, 0);
glBegin(GL_LINES);
glVertex3f(-1 , -1, -1);
glVertex3f(-1 , +1, -1);
glEnd();
glRasterPos3d( -a, a, -a);
glBitmap(8, 7, 0, 0, 0, 0, ybmp);
static GLubyte zbmp[] = { 0x1f,0x10,0x08,0x04,0x02,0x01,0x1f };
glColor3f(0, 0, 1);
glBegin(GL_LINES);
glVertex3f(-1 , -1, -1);
glVertex3f(-1 , -1, +1);
glEnd();
glRasterPos3d( -a, -a, a);
glBitmap(8, 7, 0, 0, 0, 0, zbmp);
glEnable(GL_TEXTURE_2D);
}
// Draw the cube faces
if (pickMode) {
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++) {
glColor3ub((*f)->m_PickId, 0, 0);
glBindTexture(GL_TEXTURE_2D, (*f)->m_PickTextureId);
glDrawElements(GL_TRIANGLE_FAN, (*f)->m_VertexCount, GL_UNSIGNED_BYTE, (void*) &m_IndexArray[(*f)->m_FirstVertex]);
}
}
else {
for (int pass = 0; pass < 3 ; pass++) {
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++) {
//if (pickMode) { // pick should not be drawn in tree passes
// glColor3ub((*f)->m_PickId, 0, 0);
// glBindTexture(GL_TEXTURE_2D, (*f)->m_PickTextureId);
//} else {
if (pass != (*f)->m_RenderPass)
continue;
QColor& c = (m_HiliteId == (*f)->m_PickId) && (pass < 2) ? m_HiliteColor : (*f)->m_Color;
glColor4f(c.redF(), c.greenF(), c.blueF(),c.alphaF());
glBindTexture(GL_TEXTURE_2D, (*f)->m_TextureId);
//}
glDrawElements(GL_TRIANGLE_FAN, (*f)->m_VertexCount, GL_UNSIGNED_BYTE, (void*) &m_IndexArray[(*f)->m_FirstVertex]);
}
}
}
// Draw the rotate buttons
glEnable(GL_CULL_FACE);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_DEPTH_TEST);
glClear(GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 1, 1, 0, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();