Eigene Dateien/uni/visualisierung/vislu/bsp1/VisLu/VRenderMode.cpp

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#include "VRenderMode.h"
#include <iostream>
#include "V2Ddraw.h"
#include "corona.h"
#include "VTexture.h"

using namespace std;
using namespace corona;

VRenderMode::VRenderMode(int* width, int* height, unsigned int* fps, int* _actPos):
        GUIelement(width,height,fps)
{
        float * col = new float[3];
        col[0] = col[1] = 1.0;
        col[2] = 0.0;
        this->width = (int)(0.15*(*this->wwidth));
        this->height = (int)(0.2*(*this->wheight));
        this->x = (int) *(this->wwidth)*0.78;
        this->y = (int) *(this->wheight)*0.02;
        this->bg = new float[4];
        this->bg[0] = 1.0f;
        this->bg[1] = 1.0f;
        this->bg[2] = 1.0f;
        this->bg[3] = 1.0f;
        pos = 1;
        this->actPos = _actPos;
        *actPos = 1;
        this->tex = new VTexture("transferfunc.tga");
        this->dragging = false;
}

VRenderMode::~VRenderMode(void)
{
        //delete exit;
        delete bg;
        delete tex;
}

void VRenderMode::motion(int xm, int ym) {
        //exit->inside(xm,ym);
        if ((ym-this->y) < this->y+(this->height/4.0f)*0.9){
                pos = 1;
        }
        else if((ym-this->y) < this->y+(this->height/4.0f)*2*0.9){
                pos = 2;
        }
        else if((ym-this->y) < this->y+(this->height/4.0f)*3*0.9){
                pos = 3;
        }
        else if((ym-this->y) < this->y+(this->height/4.0f)*4*0.9){
                pos = 4;
        }
}

void VRenderMode::render() {
        if(!this->active && this->blend) { //einblenden
                float frames = (float)*(this->fps);
                this->alpha+=sin((1.3/frames));
                this->bg[3] = this->alpha;
                this->draw();
                if(this->alpha >= 0.6) {
                        this->alpha = 1;
                        this->setActive(true);
                }
        }
        if(this->active && !this->blend) { //ausblenden
                float frames = (float)*(this->fps);
                this->alpha-=sin((1.3/frames));
                this->bg[3] = this->alpha;
                this->draw();
                if(this->alpha <= 0) {
                        this->alpha = 0;
                        this->setActive(false);
                }

        }
        if(this->active && this->blend) { //aktiv
                this->draw();
        }
}

void VRenderMode::draw() {
        glColor4fv(bg);
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_DST_ALPHA);
        glEnable(GL_TEXTURE_2D);
        this->tex->bind();
        V2Ddraw::drawBox(this->x,this->y,this->width,this->height, 1);
        glDisable(GL_TEXTURE_2D);
        
        char Entry0[40],Entry1[40],Entry2[40],Entry3[40];
        sprintf(Entry0," Levoy");
        sprintf(Entry1," MIP");
        sprintf(Entry2," Average"); 
        sprintf(Entry3," First Hit");
        if (pos){
        //Draw Selected Item 
        glColor4f(1.0f,1.0f,1.0f,this->alpha*0.1f);    // White Color 
        V2Ddraw::drawBox(this->x+10, (this->y)+(this->height/4.0f)*this->pos*0.9-17.0f,this->width*0.8f,20.0f);
        }

        glColor4f(1.0f,1.0f,1.0f,this->alpha*0.3f);    // White Color 
        V2Ddraw::drawBox(this->x+10, (this->y)+(this->height/4.0f)* *(this->actPos)*0.9-17.0f,this->width*0.8f,20.0f);

        char *ch;
        glColor4f(1.0, 1.0, 1.0, this->alpha);
        glRasterPos3f(this->x+10, this->y+(this->height/4.0f)*0.9, 0.0);                                                        // Draws the title
        for(ch= Entry0; *ch; ch++) {                                                    // so that it is in the title bar, and so its white
                glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, (int)*ch);
        }
        
        glRasterPos3f(this->x+10, this->y+(this->height/4.0f)*2*0.9, 0.0);      
        for(ch= Entry1; *ch; ch++) {
                glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, (int)*ch);
        }
        
        glRasterPos3f(this->x+10, this->y+(this->height/4.0f)*3*0.9, 0.0);      
        for(ch= Entry2; *ch; ch++) {
                glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, (int)*ch);
        }

        glRasterPos3f(this->x+10, this->y+(this->height/4.0f)*4*0.9, 0.0);      
        for(ch= Entry3; *ch; ch++) {
                glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, (int)*ch);
        }
        //exit->draw();
}

void VRenderMode::released(int xm, int ym) {
        if(!this->dragging) { //click
                /*if(exit->isInside(xm,ym))
                        this->setBlend(false);
                else {*/
                        if ((ym-this->y) < this->y+(this->height/4.0f)*0.9){
                                *(this->actPos) = 1;
                                this->setBlend(false);
                        }
                        else if((ym-this->y) < this->y+(this->height/4.0f)*2*0.9){
                                *(this->actPos) = 2;
                                this->setBlend(false);
                        }
                        else if((ym-this->y) < this->y+(this->height/4.0f)*3*0.9){
                                *(this->actPos) = 3;
                                this->setBlend(false);
                        }
                        else if((ym-this->y) < this->y+(this->height/4.0f)*4*0.9){
                                *(this->actPos) = 4;
                                this->setBlend(false);
                        }
                //}
        }
        this->dragging = false;
}

void VRenderMode::drag(int x, int y) {
        this->dragging = true;
}

bool VRenderMode::isInside(int xm, int ym) {
        return xm > this->x && xm < this->x+this->width && ym > this->y && ym < this->y+this->width;
}

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