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| 1 | // | ||
| 2 | // ImportDialog.cpp | ||
| 3 | // hifi | ||
| 4 | // | ||
| 5 | // Created by Clement Brisset on 8/12/13. | ||
| 6 | // Copyright (c) 2013 High Fidelity, Inc. All rights reserved. | ||
| 7 | // | ||
| 8 | #include "ImportDialog.h" | ||
| 9 | |||
| 10 | #include <QStandardPaths> | ||
| 11 | #include <QGridLayout> | ||
| 12 | |||
| 13 | const QString WINDOW_NAME = QObject::tr("Import Voxels"); | ||
| 14 | const QString IMPORT_TO_CLIPBOARD_CHECKBOX_STRING = QObject::tr("Import into clipboard"); | ||
| 15 | const QString PREVIEW_CHECKBOX_STRING = QObject::tr("Load preview"); | ||
| 16 | const QString IMPORT_FILE_TYPES = QObject::tr("Sparse Voxel Octree Files, " | ||
| 17 | "Square PNG, " | ||
| 18 | "Schematic Files " | ||
| 19 | "(*.svo *.png *.schematic)"); | ||
| 20 | |||
| 21 | const QString DESKTOP_LOCATION = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation); | ||
| 22 | |||
| 23 | const glm::vec3 UP = glm::vec3(0, 1, 0); | ||
| 24 | const float ANGULAR_RATE = 0.02f; | ||
| 25 | |||
| 26 | class GLWidget : public QGLWidget { | ||
| 27 | public: | ||
| 28 | GLWidget(QWidget* parent = NULL, VoxelSystem* voxelSystem = NULL); | ||
| 29 | void setDraw(bool draw) {_draw = draw;} | ||
| 30 | void setTargetCenter(glm::vec3 targetCenter) {_targetCenter = targetCenter;} | ||
| 31 | |||
| 32 | protected: | ||
| 33 | virtual void initializeGL(); | ||
| 34 | virtual void resizeGL(int w, int h); | ||
| 35 | virtual void paintGL(); | ||
| 36 | |||
| 37 | private: | ||
| 38 | VoxelSystem* _voxelSystem; | ||
| 39 | |||
| 40 | bool _draw; | ||
| 41 | |||
| 42 | float _a; | ||
| 43 | float _h; | ||
| 44 | glm::vec3 _targetCenter; | ||
| 45 | }; | ||
| 46 | |||
| 47 | GLWidget::GLWidget(QWidget *parent, VoxelSystem *voxelSystem) | ||
| 48 | : QGLWidget(parent), | ||
| 49 | _voxelSystem(voxelSystem), | ||
| 50 | _draw(false), | ||
| 51 | _a(0.0f), | ||
| 52 | _h(0.0f), | ||
| 53 | _targetCenter(0.5f, 0.5f, 0.5f) { | ||
| 54 | } | ||
| 55 | |||
| 56 | void GLWidget::initializeGL() { | ||
| 57 | glEnable(GL_BLEND); | ||
| 58 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
| 59 | glShadeModel (GL_SMOOTH); | ||
| 60 | glEnable(GL_DEPTH_TEST); | ||
| 61 | |||
| 62 | if(_voxelSystem) { | ||
| 63 | _voxelSystem->init(); | ||
| 64 | } | ||
| 65 | |||
| 66 | } | ||
| 67 | |||
| 68 | void GLWidget::resizeGL(int w, int h) { | ||
| 69 | glViewport(0, 0, w, h); | ||
| 70 | |||
| 71 | glMatrixMode(GL_PROJECTION); | ||
| 72 | glLoadIdentity(); | ||
| 73 | gluPerspective(60, (float) w / h, 0.25f, 500); | ||
| 74 | } | ||
| 75 | |||
| 76 | void GLWidget::paintGL() { | ||
| 77 | glEnable(GL_LINE_SMOOTH); | ||
| 78 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | ||
| 79 | |||
| 80 | glMatrixMode(GL_MODELVIEW); | ||
| 81 | glLoadIdentity(); | ||
| 82 | |||
| 83 | _a += ANGULAR_RATE; | ||
| 84 | gluLookAt(_targetCenter.x + (glm::length(_targetCenter) + 0.5f) * cos((double) _a), | ||
| 85 | _targetCenter.y * 1.25f, | ||
| 86 | _targetCenter.z + (glm::length(_targetCenter) + 0.5f) * sin((double) _a), | ||
| 87 | _targetCenter.x, _targetCenter.y, _targetCenter.z, | ||
| 88 | UP.x, UP.y, UP.z); | ||
| 89 | |||
| 90 | |||
| 91 | if (_draw && _voxelSystem) { | ||
| 92 | glBegin(GL_LINES); | ||
| 93 | glColor3d(1, 1 ,1); | ||
| 94 | glVertex3d(0, 0, 0); | ||
| 95 | glVertex3d(1, 0, 0); | ||
| 96 | |||
| 97 | glVertex3d(0, 0, 0); | ||
| 98 | glVertex3d(0, 1, 0); | ||
| 99 | |||
| 100 | glVertex3d(0, 0, 0); | ||
| 101 | glVertex3d(0, 0, 1); | ||
| 102 | |||
| 103 | |||
| 104 | glColor3d(0.4f, 0.4f ,0.4f); | ||
| 105 | glVertex3d(2 * _targetCenter.x, 2 * _targetCenter.y,2 * _targetCenter.z); | ||
| 106 | glVertex3d(0 , 2 * _targetCenter.y, 2 * _targetCenter.z); | ||
| 107 | |||
| 108 | glVertex3d(2 * _targetCenter.x, 2 * _targetCenter.y, 2 * _targetCenter.z); | ||
| 109 | glVertex3d(2 * _targetCenter.x, 0 , 2 * _targetCenter.z); | ||
| 110 | |||
| 111 | glVertex3d(2 * _targetCenter.x, 2 * _targetCenter.y, 2 * _targetCenter.z); | ||
| 112 | glVertex3d(2 * _targetCenter.x, 2 * _targetCenter.y, 0 ); | ||
| 113 | glEnd(); | ||
| 114 | |||
| 115 | _voxelSystem->render(false); | ||
| 116 | } | ||
| 117 | } | ||
| 118 | |||
| 119 | ImportDialog::ImportDialog(QWidget *parent, VoxelSystem* voxelSystem) | ||
| 120 | : QFileDialog(parent, WINDOW_NAME, DESKTOP_LOCATION, IMPORT_FILE_TYPES), | ||
| 121 | _clipboardImportBox (IMPORT_TO_CLIPBOARD_CHECKBOX_STRING, this), | ||
| 122 | _previewBox (PREVIEW_CHECKBOX_STRING, this), | ||
| 123 | _previewBar (this), | ||
| 124 | _glPreview (new GLWidget(this, voxelSystem)) { | ||
| 125 | |||
| 126 | setOption(QFileDialog::DontUseNativeDialog, true); | ||
| 127 | setFileMode(QFileDialog::ExistingFile); | ||
| 128 | setViewMode(QFileDialog::Detail); | ||
| 129 | |||
| 130 | QGridLayout* gridLayout = (QGridLayout*) layout(); | ||
| 131 | gridLayout->addWidget(&_clipboardImportBox, 2, 3); | ||
| 132 | gridLayout->addWidget(&_previewBox , 3, 3); | ||
| 133 | gridLayout->addWidget(&_previewBar , 0, 3); | ||
| 134 | gridLayout->addWidget(_glPreview , 1, 3); | ||
| 135 | gridLayout->setColumnStretch(3, 1); | ||
| 136 | |||
| 137 | _previewBar.setVisible(false); | ||
| 138 | _previewBar.setRange(0, 100); | ||
| 139 | _previewBar.setValue(0); | ||
| 140 | |||
| 141 | connect(&_previewBox, SIGNAL(toggled(bool)), SLOT(preview(bool))); | ||
| 142 | connect(this, SIGNAL(currentChanged(QString)), SLOT(saveCurrentFile(QString))); | ||
| 143 | connect(&_glTimer, SIGNAL(timeout()), SLOT(timer())); | ||
| 144 | |||
| 145 | connect(voxelSystem->getVoxelTree(), SIGNAL(importSize(float,float,float)), SLOT(setGLCamera(float, float, float))); | ||
| 146 | connect(voxelSystem->getVoxelTree(), SIGNAL(importProgress(int)), &_previewBar, SLOT(setValue(int))); | ||
| 147 | } | ||
| 148 | |||
| 149 | int ImportDialog::exec() { | ||
| 150 | _previewBox.setChecked(false); | ||
| 151 | _previewBar.setVisible(false); | ||
| 152 | |||
| 153 | int ret = QFileDialog::exec(); | ||
| 154 | |||
| 155 | |||
| 156 | ((GLWidget*) _glPreview)->setDraw(false); | ||
| 157 | _glTimer.stop(); | ||
| 158 | _glPreview->updateGL(); | ||
| 159 | |||
| 160 | return ret; | ||
| 161 | } | ||
| 162 | |||
| 163 | void ImportDialog::setGLCamera(float x, float y, float z) { | ||
| 164 | ((GLWidget*) _glPreview)->setTargetCenter(glm::vec3(x, y, z) / 2.0f); | ||
| 165 | } | ||
| 166 | |||
| 167 | void ImportDialog::reset() { | ||
| 168 | _previewBar.setValue(0); | ||
| 169 | } | ||
| 170 | |||
| 171 | void ImportDialog::preview(bool wantPreview) { | ||
| 172 | _previewBar.setValue(0); | ||
| 173 | _previewBar.setVisible(wantPreview); | ||
| 174 | ((GLWidget*) _glPreview)->setDraw(wantPreview); | ||
| 175 | |||
| 176 | if (wantPreview) { | ||
| 177 | emit previewActivated(_currentFile); | ||
| 178 | _glTimer.start(); | ||
| 179 | } else { | ||
| 180 | _glTimer.stop(); | ||
| 181 | _glPreview->updateGL(); | ||
| 182 | } | ||
| 183 | } | ||
| 184 | |||
| 185 | void ImportDialog::saveCurrentFile(QString filename) { | ||
| 186 | _currentFile = filename; | ||
| 187 | } | ||
| 188 | |||
| 189 | void ImportDialog::timer() { | ||
| 190 | _glPreview->updateGL(); | ||
| 191 | _glTimer.start(16); | ||
| 192 | } | ||