1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/view3d.cc	Fri Feb 06 22:39:51 2015 +0200
     1.3 @@ -0,0 +1,68 @@
     1.4 +#include <algorithm>
     1.5 +#include "opengl.h"
     1.6 +#include "view3d.h"
     1.7 +#include "volume.h"
     1.8 +
     1.9 +static int win_width, win_height;
    1.10 +
    1.11 +View3D::View3D()
    1.12 +{
    1.13 +	vol = 0;
    1.14 +	thres_low = 0.0;
    1.15 +	thres_high = 1.0;
    1.16 +}
    1.17 +
    1.18 +View3D::~View3D()
    1.19 +{
    1.20 +	destroy();
    1.21 +}
    1.22 +
    1.23 +bool View3D::init(GLView *glview)
    1.24 +{
    1.25 +	this->glview = glview;
    1.26 +	return true;
    1.27 +}
    1.28 +
    1.29 +void View3D::destroy()
    1.30 +{
    1.31 +}
    1.32 +
    1.33 +void View3D::display()
    1.34 +{
    1.35 +	glClearColor(0, 0, 0, 1);
    1.36 +	glClear(GL_COLOR_BUFFER_BIT);
    1.37 +
    1.38 +	glBegin(GL_QUADS);
    1.39 +	glColor3f(1, 0, 0);
    1.40 +	glVertex2f(thres_low * 2.0 - 1.0, 1);
    1.41 +	glVertex2f(thres_low * 2.0 - 1.0, -1);
    1.42 +	glColor3f(0, 0, 1);
    1.43 +	glVertex2f(thres_high * 2.0 - 1.0, -1);
    1.44 +	glVertex2f(thres_high * 2.0 - 1.0, 1);
    1.45 +	glEnd();
    1.46 +}
    1.47 +
    1.48 +
    1.49 +void View3D::reshape(int x, int y)
    1.50 +{
    1.51 +	win_width = x;
    1.52 +	win_height = y;
    1.53 +}
    1.54 +
    1.55 +void View3D::set_volume(Volume *vol)
    1.56 +{
    1.57 +	if(this->vol) {
    1.58 +		delete this->vol;
    1.59 +	}
    1.60 +	this->vol = vol;
    1.61 +
    1.62 +	glview->update();
    1.63 +}
    1.64 +
    1.65 +void View3D::set_thresholds(float low, float high)
    1.66 +{
    1.67 +	thres_low = std::min(low, high);
    1.68 +	thres_high = std::max(low, high);
    1.69 +
    1.70 +	glview->update();
    1.71 +}