Mercurial > hg > octave-lyh

annotate gui/src/Plot2dWidget.cpp @ 13469:a20f8763105f

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Added some OpenGL plotting.
author Jacob Dawid <jacob.dawid@googlemail.com>
date Mon, 18 Apr 2011 22:58:41 +0200
parents
children f7356554594c
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rev   line source
13469
a20f8763105f Added some OpenGL plotting.
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1 #include "Plot2dWidget.h"
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2 #include <QVBoxLayout>
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3 #include <QHBoxLayout>
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4 #include <QPushButton>
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5
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6 Plot2dView::Plot2dView(QWidget *parent)
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7 : QGLWidget(parent) {
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8 construct();
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9 }
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10
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11 void Plot2dView::construct() {
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12 }
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13
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14 void Plot2dView::initializeGL() {
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15 glClearColor(0.9, 0.9, 0.9, 0.0);
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16 glEnable(GL_POINT_SMOOTH);
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17 // glEnable(GL_LINE_SMOOTH);
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18 glEnable(GL_POLYGON_SMOOTH);
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19 glEnable(GL_BLEND);
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20 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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21 }
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22
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23 void Plot2dView::paintGL() {
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24 glClear(GL_COLOR_BUFFER_BIT);
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25 glBegin(GL_LINES);
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26 glColor3d(0.0, 0.0, 0.0);
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27 glVertex2d(0.1, 0.1);
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28 glVertex2d(0.9, 0.1);
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29 glVertex2d(0.1, 0.1);
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30 glVertex2d(0.1, 0.9);
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31 glEnd();
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32
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33 glBegin(GL_POLYGON);
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34 glVertex2d(0.092, 0.9);
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35 glVertex2d(0.108, 0.9);
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36 glVertex2d(0.1, 0.93);
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37 glEnd();
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38 glBegin(GL_POLYGON);
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39 glVertex2d(0.9, 0.092);
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40 glVertex2d(0.9, 0.108);
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41 glVertex2d(0.93, 0.1);
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42 glEnd();
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43
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44 renderText(0.8, 0.05, 0.0, "axis");
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45 }
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46
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47 void Plot2dView::resizeGL(int w, int h) {
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48 glViewport(0, 0, w, h);
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49 glMatrixMode(GL_MODELVIEW_MATRIX);
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50 glLoadIdentity();
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51
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52 glMatrixMode(GL_PROJECTION_MATRIX);
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53 glLoadIdentity();
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54 glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 100.0);
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55 }
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56
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57 Plot2dWidget::Plot2dWidget(QWidget *parent) :
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58 QWidget(parent) {
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59 construct();
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60 }
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61
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62 void Plot2dWidget::construct() {
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63 QVBoxLayout *layout = new QVBoxLayout();
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64 m_plot2dView = new Plot2dView(this);
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65 m_plot2dView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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66 layout->addWidget(m_plot2dView);
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67 QWidget *buttonBar = new QWidget(this);
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68 QHBoxLayout *buttonBarLayout = new QHBoxLayout(this);
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69 QPushButton *exportButton = new QPushButton(tr("Export"), this);
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70 exportButton->setEnabled(false);
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71 buttonBarLayout->addWidget(exportButton);
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72 buttonBarLayout->addStretch();
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73 buttonBarLayout->setMargin(1);
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74 buttonBar->setLayout(buttonBarLayout);
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75 buttonBar->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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76 layout->addWidget(buttonBar);
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77 layout->setMargin(0);
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78 setLayout(layout);
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79 }