// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License. 
// 
// The Original Code is the Berkeley Open Infrastructure for Network Computing. 
// 
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved. 
// 
// Contributor(s):
//

// shared-library part of the implementation of REDUCE

#ifdef _WIN32
#include <GL/gl.h>
#endif

#include <algorithm>

#include "boinc_gl.h"
#include "gutil.h"
#include "reduce.h"

void REDUCED_ARRAY::draw_row_quad(int row) {
    float z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
    float z1 = z0 + draw_deltaz;
    float x0, x1, y00, y01, y10, y11;
    float* row0 = rrow(row);
    float* row1 = rrow(row+1);
    int i;

    glBegin(GL_QUADS);          // TODO: use GL_QUADSTRIP
    for (i=0; i<rdimx-1; i++) {
        x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
        x1 = x0 + draw_deltax;
        float h00 = (row0[i]-rdata_min)/(rdata_max-rdata_min);
        float h01 = (row0[i+1]-rdata_min)/(rdata_max-rdata_min);
        float h10 = (row1[i]-rdata_min)/(rdata_max-rdata_min);
        float h11 = (row1[i+1]-rdata_min)/(rdata_max-rdata_min);

        y00 = draw_pos[1] + draw_size[1]*h00;
        y01 = draw_pos[1] + draw_size[1]*h01;
        y10 = draw_pos[1] + draw_size[1]*h10;
        y11 = draw_pos[1] + draw_size[1]*h11;

        float h = std::max(h00, std::max(h01, std::max(h10, h11)));
        double hue = hue0 + (dhue*i)/rdimx;
        if (hue > 1) hue -= 1;
        double sat = 1.;
        double lum = .5 + h/2;
        COLOR color;
        HLStoRGB(hue, lum, sat, color);
        glColor4f(color.r, color.g, color.b, alpha);

        glVertex3f(x0, y00, z0);
        glVertex3f(x1, y01, z0);
        glVertex3f(x1, y11, z1);
        glVertex3f(x0, y10, z1);
    }
    glEnd();
#if 0
    // draw a black line on front and right edge of each quad
    //
	glLineWidth(4.0);
	glDisable(GL_LINE_SMOOTH);
    glBegin(GL_LINES);
    glColor4f(0., 0., 0., 1.0);
    for (i=0; i<rdimx-1; i++) {
        x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
        x1 = x0 + draw_deltax;
        float eps=.03f;
        y00 = draw_pos[1] + draw_size[1]*(row0[i]-rdata_min)/rdata_max+eps;
        y01 = draw_pos[1] + draw_size[1]*(row0[i+1]-rdata_min)/rdata_max+eps;
        y10 = draw_pos[1] + draw_size[1]*(row1[i]-rdata_min)/rdata_max+eps;
        y11 = draw_pos[1] + draw_size[1]*(row1[i+1]-rdata_min)/rdata_max+eps;
        glVertex3f(x0, y00, z0);
        glVertex3f(x1, y01, z0);
        glVertex3f(x1, y01, z0);
        glVertex3f(x1, y11, z1);
    }
    glEnd();
#endif
}

void REDUCED_ARRAY::draw_row_rect_x(int row)  {
	float z0=0,z1=0,x0=0,x1=0,y0=0,y1=0,h=0,xm=0;
	int i=0;
	float* row0=0;
	int trow=row-1;
	float* trow0=0;
	double hue,sat,lum;
	COLOR color;

	switch(draw_style) {
	case GRAPH_STYLE_RECTANGLES:
		z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
		z1 = z0+.14f;
		row0 = rrow(row);

		glBegin(GL_QUADS);
		for (i=0; i<rdimx; i++) {
			x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
			x1 = x0 + draw_deltax*.95f;
			h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

			y0 = draw_pos[1];
			y1 = draw_pos[1] + draw_size[1]*h;

			double hue = hue0 + (dhue*i)/rdimx;
			if (hue > 1) hue -= 1;
			double sat = 1.;
			double lum = .5 + h/2;
			COLOR color;
			HLStoRGB(hue, lum, sat, color);
			glColor4f(color.r, color.g, color.b, alpha);

			//front

			glVertex3f(x0, y0, z0);
			glVertex3f(x1, y0, z0);
			glVertex3f(x1, y1, z0);
			glVertex3f(x0, y1, z0);
	/*
			//back
			glVertex3f(x0, y0, z1);
			glVertex3f(x1, y0, z1);
			glVertex3f(x1, y1, z1);
			glVertex3f(x0, y1, z1);

			//left
			glVertex3f(x0, y0, z0);
			glVertex3f(x0, y0, z1);
			glVertex3f(x0, y1, z1);
			glVertex3f(x0, y1, z0);

			//right
			glVertex3f(x1, y0, z0);
			glVertex3f(x1, y0, z1);
			glVertex3f(x1, y1, z1);
			glVertex3f(x1, y1, z0);

			//top
			glVertex3f(x0, y1, z0);
			glVertex3f(x0, y1, z1);
			glVertex3f(x1, y1, z1);
			glVertex3f(x1, y1, z0);
	*/
		}
		glEnd();


#if 0
		//draw lines
		mode_unshaded();
		glLineWidth(.5f);
		glBegin(GL_LINES);
		glColor4f(0,0,0,1);
		for (i=0; i<rdimx; i++) {
			x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
			x1 = x0 + draw_deltax*.8f;
			float h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

			y1 = draw_pos[1] + draw_size[1]*h;

	//front

			glVertex3f(x0, y0, z0);
			glVertex3f(x0, y1, z0);

			glVertex3f(x0, y0, z0);
			glVertex3f(x1, y0, z0);

			glVertex3f(x1, y0, z0);
			glVertex3f(x1, y1, z0);

			glVertex3f(x0, y1, z0);
			glVertex3f(x1, y1, z0);
	//back
			glVertex3f(x0, y0, z1);
			glVertex3f(x0, y1, z1);

			glVertex3f(x0, y0, z1);
			glVertex3f(x1, y0, z1);

			glVertex3f(x1, y0, z1);
			glVertex3f(x1, y1, z1);

			glVertex3f(x0, y1, z1);
			glVertex3f(x1, y1, z1);
	//right
			glVertex3f(x0, y0, z0);
			glVertex3f(x0, y1, z0);

			glVertex3f(x0, y1, z0);
			glVertex3f(x0, y1, z1);

			glVertex3f(x0, y1, z1);
			glVertex3f(x0, y0, z1);

			glVertex3f(x0, y0, z1);
			glVertex3f(x0, y0, z0);
	//left
			glVertex3f(x1, y0, z0);
			glVertex3f(x1, y1, z0);

			glVertex3f(x1, y1, z0);
			glVertex3f(x1, y1, z1);

			glVertex3f(x1, y1, z1);
			glVertex3f(x1, y0, z1);

			glVertex3f(x1, y0, z1);
			glVertex3f(x1, y0, z0);
		}
#endif
		glEnd();
	    break;
	case GRAPH_STYLE_SURFACE:
		glBegin(GL_TRIANGLE_STRIP);

		z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
		z1 = z0+.14f;
		row0 = rrow(row);
		trow=row-1;
		if(row!=0) trow0 = rrow(trow);

		for (i=0; i<rdimx; i++) {
			x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
			x1 = x0 + draw_deltax*.8f;
			xm = x0+((x1-x0)/2.0f);
			h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

			y0 = draw_pos[1];
			y1 = draw_pos[1] + draw_size[1]*h;

			hue = hue0 + (dhue*i)/rdimx;
			if (hue > 1) hue -= 1;
			sat = 1.;
			lum = .5 + h/2;
			HLStoRGB(hue, lum, sat, color);
			glColor4f(color.r, color.g, color.b, alpha);

			if(row!=0) {
				float lh = (trow0[i]-rdata_min)/(rdata_max-rdata_min);
				float ly = draw_pos[1] + draw_size[1]*lh;
				float lz = draw_pos[2] + (draw_size[2]*trow)/rdimy + .14f;
				glVertex3f(xm,ly,lz);
				glVertex3f(xm,y1,z1);
			}
		}
		glEnd();
	    break;
	case GRAPH_STYLE_WIREFRAME:
		glLineWidth(1.0f);
		z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
		z1 = z0+.14f;
		row0 = rrow(row);
		if(row!=0) trow0 = rrow(trow);

		glEnable(GL_LINE_SMOOTH);
		glBegin(GL_LINES);

		for (i=0; i<rdimx; i++) {
			x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
			x1 = x0 + draw_deltax*.8f;
			h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

			y0 = draw_pos[1];
			y1 = draw_pos[1] + draw_size[1]*h;

			hue = hue0 + (dhue*i)/rdimx;
			if (hue > 1) hue -= 1;
			sat = 1.;
			lum = .5 + h/2;
			HLStoRGB(hue, lum, sat, color);
			glColor4f(color.r, color.g, color.b, alpha);

			if(i!=rdimx-1) glVertex3f(x0+((x1-x0)/2.0f), y1, z0);
			if(row!=0)
			{
				float h2 = (trow0[i]-rdata_min)/(rdata_max-rdata_min);
				float z2 = draw_pos[2] + (draw_size[2]*trow)/rdimy;
				float y2 = draw_pos[1] + draw_size[1]*h2;
				glVertex3f(x0+((x1-x0)/2.0f), y1, z0);
				glVertex3f(x0+((x1-x0)/2.0f), y2, z2);
			}
			if(i!=0) glVertex3f(x0+((x1-x0)/2.0f), y1, z0);
		}
		glEnd();
		glDisable(GL_LINE_SMOOTH);
	    break;
	case GRAPH_STYLE_PLANES:
		z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
		z1 = z0+.14f;
		row0 = rrow(row);
		i=0;

		x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
		x1 = x0 + draw_deltax*.8f;
		h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

		y0 = draw_pos[1];
		y1 = draw_pos[1] + draw_size[1]*h;

		hue = hue0 + (dhue*i)/rdimx;
		if (hue > 1) hue -= 1;
		sat = 1.;
		lum = .5 + h/2;
		HLStoRGB(hue, lum, sat, color);
		glColor4f(color.r, color.g, color.b, alpha);


		glVertex3f(draw_pos[0],draw_pos[1],z0);
		glVertex3f(draw_pos[0],draw_pos[1],draw_pos[2] + (draw_size[2]*trow)/rdimy);

		glBegin(GL_QUAD_STRIP);
		for (i=0; i<rdimx; i++) {
			x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
			x1 = x0 + draw_deltax*.8f;
			h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

			y0 = draw_pos[1];
			y1 = draw_pos[1] + draw_size[1]*h;

			double hue = hue0 + (dhue*i)/rdimx;
			if (hue > 1) hue -= 1;
			double sat = 1.;
			double lum = .5 + h/2;
			COLOR color;
			HLStoRGB(hue, lum, sat, color);
			glColor4f(color.r, color.g, color.b, alpha);

			glVertex3d(x1,y0,z0);
			glVertex3d(x1,y1,z0);
		}
		glEnd();
		break;
	default:
		break;
	}
}

void REDUCED_ARRAY::draw_row_rect_y(int row) {
    float z0 = draw_pos[2] + (draw_size[2]*row)/rdimy;
    float z1 = z0 + draw_deltaz*.8f;
    float x0, y0, y1;
    float* row0 = rrow(row);
    int i;

    glBegin(GL_QUADS);
    for (i=0; i<rdimx-1; i++) {
        x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
        float h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

        y0 = draw_pos[1];
        y1 = draw_pos[1] + draw_size[1]*h;

        double hue = hue0 + (dhue*i)/rdimx;
        if (hue > 1) hue -= 1;
        double sat = 1.;
        double lum = .5 + h/2;
        COLOR color;
        HLStoRGB(hue, lum, sat, color);
        glColor4f(color.r, color.g, color.b, alpha);

        glVertex3f(x0, y0, z0);
        glVertex3f(x0, y1, z0);
        glVertex3f(x0, y1, z1);
        glVertex3f(x0, y0, z1);
    }
    glEnd();

    // draw a black line on top of rectangle
    //
#if 0
    glBegin(GL_LINES);
    glColor4f(0., 0., 0., 1.0);
    for (i=0; i<rdimx-1; i++) {
        x0 = draw_pos[0] + (draw_size[0]*i)/rdimx;
        float h = (row0[i]-rdata_min)/(rdata_max-rdata_min);

        y1 = draw_pos[1] + draw_size[1]*h;

        glVertex3f(x0, y1, z0);
        glVertex3f(x0, y1, z1);
    }
    glEnd();
#endif
}



void REDUCED_ARRAY::draw_row_line(int row) {
}

void REDUCED_ARRAY::draw(int r0, int rn) {
    int i;
    mode_unshaded();
    if (rdimx == sdimx) {
        if (rdimy == sdimy) {
            for (i=r0; i<rn; i++) {
                draw_row_rect_x(i);
            }
        } else {
            for (i=r0; i<rn; i++) {
                draw_row_rect_x(i);
            }
        }
    } else {
        if (rdimy == sdimy) {
            for (i=r0; i<rn; i++) {
                draw_row_rect_x(i);
            }
        } else {
            for (i=r0; i<rn; i++) {
                draw_row_rect_x(i);
            }
        }
    }
    ndrawn_rows = rn;
}

void REDUCED_ARRAY::draw_all() {
    draw(0, nvalid_rows);
}

void REDUCED_ARRAY::draw_new() {
    draw(ndrawn_rows, nvalid_rows);
}

void REDUCED_ARRAY::draw_part(double frac) {
    int nr = (int)(nvalid_rows*frac);
    draw(0, nr);
}

void REDUCED_ARRAY::draw_axis_labels() {
    GLfloat char_height = .5f;
    GLfloat line_width = 3.0f;
	GLfloat spacing = 2.0f;
	GLfloat rotation = -90;
	GLfloat rotation_vector[3] = {0,0,0};

	float w;

	char* x_label = "Time";
#if 0
	char* y_label = "Frequency";
	char* y_begin_label = "0";
	char* y_end_label = "9 Khz";
#endif

	float x_text_pos[3] = {0,0,0};
	w = text_width(x_label);
	x_text_pos[0]=draw_pos[0];//+draw_size[0];
	x_text_pos[1]=draw_pos[1];//+draw_size[1];
	x_text_pos[2]=draw_pos[2]+draw_size[2]-(w/2.0f);

	rotation_vector[0]=0;
	rotation_vector[1]=draw_size[1];
	rotation_vector[2]=0;

	draw_rotated_text(x_text_pos,char_height,line_width,spacing,x_label,rotation,rotation_vector);
	//draw_text_line(x_text_pos,char_height,line_width,x_label,0);

}

void REDUCED_ARRAY::draw_axes() {

	// comment??

	float adj2=0.0f;//-(draw_size[2]*1)/rdimy;
	float adj=0.0f;

	float adj3=0;
	// box
	mode_unshaded();

	glLineWidth(.5);
	glBegin(GL_LINES);
	glColor4d(1,1,1,.5);

	//back square
	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+adj);

	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);

	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);

	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);

	//front square
	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);

	//connecting lines
	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]+draw_size[1], draw_pos[2]+draw_size[2]+adj2);
	glEnd();


	mode_unshaded();

	glLineWidth(1.0);
	glEnable(GL_LINE_SMOOTH);
	glBegin(GL_LINES);
	glColor4d(1,1,1,1);


	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+adj);
    glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+adj);

	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+adj);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

    glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);
    glVertex3f(draw_pos[0], draw_pos[1], draw_pos[2]+draw_size[2]+adj2);

	glEnd();

	glColor4d(1,1,1,.2);
    glBegin(GL_QUADS);
	glVertex3f(draw_pos[0], draw_pos[1]-adj3, draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]-adj3, draw_pos[2]+draw_size[2]+adj2);
	glVertex3f(draw_pos[0]+draw_size[0], draw_pos[1]-adj3, draw_pos[2]+adj);
    glVertex3f(draw_pos[0], draw_pos[1]-adj3, draw_pos[2]+adj);
    glEnd();

	glDisable(GL_LINE_SMOOTH);
}


void REDUCED_ARRAY::draw_labels() {
	double model[16];
	double proj[16];
	double z_pos[3];
	double x_pos[3];
	double p_pos[3];

	float arrowh = .35f;
	float arroww = .05f;

	float ch = .015f;
	float lw = .02f;
	float ls = 0;

#if 0
	float wd=.015f;
	float l=1.0f;

	float left_of_z = -0.1f;
	float left_of_z2 = -0.04f;
	float below_x = -.03f;
	float center_x = -.06f;
#endif

	glLineWidth(1.4f);
	glBegin(GL_LINES);
	glColor3f(1,1,1);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f,draw_pos[1],draw_pos[2]+draw_size[2]-.5f);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f);
	glEnd();

	glBegin(GL_TRIANGLE_FAN);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f,draw_pos[1]+1.2f+arrowh,draw_pos[2]+draw_size[2]-.5f);

	glVertex3f(draw_pos[0]+draw_size[0]+.4f-arroww,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f-arroww);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f+arroww,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f-arroww);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f+arroww,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f+arroww);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f-arroww,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f+arroww);
	glVertex3f(draw_pos[0]+draw_size[0]+.4f-arroww,draw_pos[1]+1.2f,draw_pos[2]+draw_size[2]-.5f-arroww);
	glEnd();

	int viewport[4];
	get_matrix(model);
	get_projection(proj);
	get_viewport(viewport);
	int w = viewport[2];
	int h = viewport[3];

	glPushMatrix();
	//unscale modelview matrix

	double aspect_ratio = 4.0/3.0;
	if ((double)h*aspect_ratio > (double)w) {
		model[1]*=1.0f/(((double)w/aspect_ratio)/(double)h);
		model[5]*=1.0f/(((double)w/aspect_ratio)/(double)h);
		model[9]*=1.0f/(((double)w/aspect_ratio)/(double)h);
    } else {
		model[0]*=1.0f/(((double)h*aspect_ratio)/(double)w);
		model[4]*=1.0f/(((double)h*aspect_ratio)/(double)w);
		model[8]*=1.0f/(((double)h*aspect_ratio)/(double)w);
    }

	//project to ortho coordinates
	viewport[0]=0;
	viewport[1]=0;
	viewport[2]=1;
	viewport[3]=1;

	get_2d_positions(draw_pos[0],draw_pos[1],draw_pos[2]+(draw_size[2]/2.0f),
        model, proj, viewport,z_pos
    );

	get_2d_positions(draw_pos[0]+draw_size[0]/2.0f,draw_pos[1],draw_pos[2]+draw_size[2],
        model, proj, viewport,x_pos
    );

	get_2d_positions(draw_pos[0]+draw_size[0]+.2f,draw_pos[1]+.6f,draw_pos[2]+draw_size[2]-.4f,
        model, proj, viewport,p_pos
    );
	glPopMatrix();

	mode_ortho();
	mode_unshaded();
	glColor3d(1,1,1);

	float zpos[3]={(float)z_pos[0],(float)z_pos[1],(float)z_pos[2]};
	float xpos[3]={(float)x_pos[0],(float)x_pos[1],(float)x_pos[2]};
	float ppos[3]={(float)p_pos[0],(float)p_pos[1],(float)p_pos[2]};

	draw_text_right(zpos,ch,lw,ls,zlabel);
	draw_text(xpos,ch,lw,ls,xlabel);
	draw_text(ppos,ch,lw,ls,ylabel);

	ortho_done();
}