volmetrics

annotate src/view3d.cc @ 37:1d935677d3ab

Created new branch non-qt-version
author Eleni Maria Stea <elene.mst@gmail.com>
date Mon, 17 Apr 2017 13:26:24 +0000
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nuclear@36 1 #include <algorithm>
nuclear@36 2 #include "opengl.h"
nuclear@36 3 #include "view3d.h"
nuclear@36 4 #include "volume.h"
nuclear@36 5
nuclear@36 6 static int win_width, win_height;
nuclear@36 7
nuclear@36 8 View3D::View3D()
nuclear@36 9 {
nuclear@36 10 vol = 0;
nuclear@36 11 thres_low = 0.0;
nuclear@36 12 thres_high = 1.0;
nuclear@36 13 }
nuclear@36 14
nuclear@36 15 View3D::~View3D()
nuclear@36 16 {
nuclear@36 17 destroy();
nuclear@36 18 }
nuclear@36 19
nuclear@36 20 bool View3D::init(GLView *glview)
nuclear@36 21 {
nuclear@36 22 this->glview = glview;
nuclear@36 23 return true;
nuclear@36 24 }
nuclear@36 25
nuclear@36 26 void View3D::destroy()
nuclear@36 27 {
nuclear@36 28 }
nuclear@36 29
nuclear@36 30 void View3D::display()
nuclear@36 31 {
nuclear@36 32 glClearColor(0, 0, 0, 1);
nuclear@36 33 glClear(GL_COLOR_BUFFER_BIT);
nuclear@36 34
nuclear@36 35 glBegin(GL_QUADS);
nuclear@36 36 glColor3f(1, 0, 0);
nuclear@36 37 glVertex2f(thres_low * 2.0 - 1.0, 1);
nuclear@36 38 glVertex2f(thres_low * 2.0 - 1.0, -1);
nuclear@36 39 glColor3f(0, 0, 1);
nuclear@36 40 glVertex2f(thres_high * 2.0 - 1.0, -1);
nuclear@36 41 glVertex2f(thres_high * 2.0 - 1.0, 1);
nuclear@36 42 glEnd();
nuclear@36 43 }
nuclear@36 44
nuclear@36 45
nuclear@36 46 void View3D::reshape(int x, int y)
nuclear@36 47 {
nuclear@36 48 win_width = x;
nuclear@36 49 win_height = y;
nuclear@36 50 }
nuclear@36 51
nuclear@36 52 void View3D::set_volume(Volume *vol)
nuclear@36 53 {
nuclear@36 54 if(this->vol) {
nuclear@36 55 delete this->vol;
nuclear@36 56 }
nuclear@36 57 this->vol = vol;
nuclear@36 58
nuclear@36 59 glview->update();
nuclear@36 60 }
nuclear@36 61
nuclear@36 62 void View3D::set_thresholds(float low, float high)
nuclear@36 63 {
nuclear@36 64 thres_low = std::min(low, high);
nuclear@36 65 thres_high = std::max(low, high);
nuclear@36 66
nuclear@36 67 glview->update();
nuclear@36 68 }