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geant4/source/analysis/g4tools/include/tools/sg/primitive_visitor
T
Gabriele Cosmo fc6af9e721 Import Geant4 10.4.0 source tree
2017-12-08 12:52:30 +01:00

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef tools_sg_primitive_visitor
#define tools_sg_primitive_visitor
#include "../glprims"
#include "../vdata"
namespace tools {
namespace sg {
class primitive_visitor {
protected:
virtual bool project(float& a_x,float& a_y,float& a_z,float& a_w) = 0;
// xyzw
virtual bool add_point(float,float,float,float) = 0;
// xyzw & rgba
virtual bool add_point(float,float,float,float,
float,float,float,float) = 0;
// 2 xyzw
virtual bool add_line(float,float,float,float,
float,float,float,float) = 0;
// 2 (xyzw & rgba)
virtual bool add_line(float,float,float,float, float,float,float,float,
float,float,float,float, float,float,float,float) = 0;
// 3 xyzw
virtual bool add_triangle(float,float,float,float,
float,float,float,float,
float,float,float,float) = 0;
// 3 (xywz & rgba)
virtual bool add_triangle(float,float,float,float, float,float,float,float,
float,float,float,float, float,float,float,float,
float,float,float,float, float,float,float,float) = 0;
public:
primitive_visitor():m_mode(gl::points()){}
virtual ~primitive_visitor(){}
public:
primitive_visitor(const primitive_visitor&):m_mode(gl::points()){}
primitive_visitor& operator=(const primitive_visitor&){return *this;}
public:
void add_one_point(float a_x,float a_y,float a_z) {
float w;
project(a_x,a_y,a_z,w);
add_point(a_x,a_y,a_z,w);
}
bool add_triangle_fan(size_t a_floatn,const float* a_xyzs,bool a_stop = false){
size_t num = a_floatn/3;
if(num<3) return false;
m_mode = gl::triangle_fan();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
const float* pos1 = a_xyzs+3*0;
p1x = *(pos1+0);
p1y = *(pos1+1);
p1z = *(pos1+2);
project(p1x,p1y,p1z,w1);
const float* pos2 = a_xyzs+3*1;
p2x = *(pos2+0);
p2y = *(pos2+1);
p2z = *(pos2+2);
project(p2x,p2y,p2z,w2);
for(size_t index=2;index<num;index++) {
const float* pos = a_xyzs+3*index;
p3x = *(pos+0);
p3y = *(pos+1);
p3z = *(pos+2);
project(p3x,p3y,p3z,w3);
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
p2x = p3x;
p2y = p3y;
p2z = p3z;
w2 = w3;
}
return true;
}
bool add_triangle_strip(size_t a_floatn,const float* a_xyzs,bool a_stop = false){
size_t num = a_floatn/3;
if(num<3) return false;
m_mode = gl::triangle_strip();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
const float* pos1 = a_xyzs+3*0;
p1x = *(pos1+0);
p1y = *(pos1+1);
p1z = *(pos1+2);
project(p1x,p1y,p1z,w1);
const float* pos2 = a_xyzs+3*1;
p2x = *(pos2+0);
p2y = *(pos2+1);
p2z = *(pos2+2);
project(p2x,p2y,p2z,w2);
bool flip = false;
for(size_t index=2;index<num;index++) {
const float* pos = a_xyzs+3*index;
p3x = *(pos+0);
p3y = *(pos+1);
p3z = *(pos+2);
project(p3x,p3y,p3z,w3);
if(flip){
if(!add_triangle(p1x,p1y,p1z,w1,
p3x,p3y,p3z,w3,
p2x,p2y,p2z,w2)) {
if(a_stop) return false;
}
} else {
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
}
p1x = p2x;
p1y = p2y;
p1z = p2z;
w1 = w2;
p2x = p3x;
p2y = p3y;
p2z = p3z;
w2 = w3;
flip = flip?false:true;
}
return true;
}
bool add_triangles(size_t a_floatn,const float* a_xyzs,bool a_stop = false){
size_t num = a_floatn/3;
if(num<3) return false;
m_mode = gl::triangles();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
for(size_t index=0;index<num;index+=3) {
const float* pos = a_xyzs+3*index;
p1x = *pos;pos++;
p1y = *pos;pos++;
p1z = *pos;pos++;
project(p1x,p1y,p1z,w1);
p2x = *pos;pos++;
p2y = *pos;pos++;
p2z = *pos;pos++;
project(p2x,p2y,p2z,w2);
p3x = *pos;pos++;
p3y = *pos;pos++;
p3z = *pos;pos++;
project(p3x,p3y,p3z,w3);
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
}
return true;
}
bool add_triangles(size_t a_floatn,const float* a_xyzs,const float* a_rgbas,bool a_stop = false){
size_t num = a_floatn/3;
if(num<3) return false;
m_mode = gl::triangles();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
float r1,g1,b1,a1;
float r2,g2,b2,a2;
float r3,g3,b3,a3;
for(size_t index=0;index<num;index+=3) {
const float* pos = a_xyzs+3*index;
p1x = *pos;pos++;
p1y = *pos;pos++;
p1z = *pos;pos++;
project(p1x,p1y,p1z,w1);
p2x = *pos;pos++;
p2y = *pos;pos++;
p2z = *pos;pos++;
project(p2x,p2y,p2z,w2);
p3x = *pos;pos++;
p3y = *pos;pos++;
p3z = *pos;pos++;
project(p3x,p3y,p3z,w3);
const float* qos = a_rgbas+4*index;
r1 = *qos;qos++;
g1 = *qos;qos++;
b1 = *qos;qos++;
a1 = *qos;qos++;
r2 = *qos;qos++;
g2 = *qos;qos++;
b2 = *qos;qos++;
a2 = *qos;qos++;
r3 = *qos;qos++;
g3 = *qos;qos++;
b3 = *qos;qos++;
a3 = *qos;qos++;
if(!add_triangle(p1x,p1y,p1z,w1,r1,g1,b1,a1,
p2x,p2y,p2z,w2,r2,g2,b2,a2,
p3x,p3y,p3z,w3,r3,g3,b3,a3)) {
if(a_stop) return false;
}
}
return true;
}
bool add_line_strip(size_t a_floatn,const float* a_xyzs,bool a_stop = false){
size_t num = a_floatn/3;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_strip();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+3*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
return true;
}
bool add_line_strip(size_t a_floatn,const float* a_xyzs,const float* a_rgbas,bool a_stop = false){
size_t num = a_floatn/3;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_strip();
float xb,yb,zb,wb,xe,ye,ze,we;
float rb,gb,bb,ab,re,ge,be,ae;
float* pos;
float* qos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+3*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
qos = (float*)(a_rgbas+4*iseg);
rb = *qos;qos++;
gb = *qos;qos++;
bb = *qos;qos++;
ab = *qos;qos++;
re = *qos;qos++;
ge = *qos;qos++;
be = *qos;qos++;
ae = *qos;qos++;
if(!add_line(xb,yb,zb,wb,rb,gb,bb,ab,
xe,ye,ze,we,re,ge,be,ae)) {
if(a_stop) return false;
}
}
return true;
}
bool add_line_loop(size_t a_floatn,const float* a_xyzs,bool a_stop = false) {
size_t num = a_floatn/3;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_loop();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+3*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
//close the loop :
{pos = (float*)(a_xyzs+3*(nseg-1)+3);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
pos = (float*)(a_xyzs); //first point.
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)){if(a_stop) return false;}
}
return true;
}
bool add_line_loop(size_t a_floatn,const float* a_xyzs,const float* a_rgbas,bool a_stop = false) {
size_t num = a_floatn/3;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_loop();
float xb,yb,zb,wb,xe,ye,ze,we;
float rb,gb,bb,ab,re,ge,be,ae;
float* pos;
float* qos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+3*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
qos = (float*)(a_rgbas+4*iseg);
rb = *qos;qos++;
gb = *qos;qos++;
bb = *qos;qos++;
ab = *qos;qos++;
re = *qos;qos++;
ge = *qos;qos++;
be = *qos;qos++;
ae = *qos;qos++;
if(!add_line(xb,yb,zb,wb,rb,gb,bb,ab,
xe,ye,ze,we,re,ge,be,ae)) {
if(a_stop) return false;
}
}
//close the loop :
{pos = (float*)(a_xyzs+3*nseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
pos = (float*)(a_xyzs); //first point.
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
qos = (float*)(a_rgbas+4*nseg);
rb = *qos;qos++;
gb = *qos;qos++;
bb = *qos;qos++;
ab = *qos;qos++;
qos = (float*)(a_rgbas);
re = *qos;qos++;
ge = *qos;qos++;
be = *qos;qos++;
ae = *qos;qos++;
if(!add_line(xb,yb,zb,wb,rb,gb,bb,ab,
xe,ye,ze,we,re,ge,be,ae)){if(a_stop) return false;}
}
return true;
}
bool add_lines(size_t a_floatn,const float* a_xyzs,const float* a_rgbas,bool a_stop = false) {
//lines = segments.
size_t num = a_floatn/3;
size_t nseg = num/2;
if(!nseg) return false;
m_mode = gl::lines();
float xb,yb,zb,wb,xe,ye,ze,we;
float rb,gb,bb,ab,re,ge,be,ae;
float* pos;
float* qos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+6*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
qos = (float*)(a_rgbas+8*iseg);
rb = *qos;qos++;
gb = *qos;qos++;
bb = *qos;qos++;
ab = *qos;qos++;
re = *qos;qos++;
ge = *qos;qos++;
be = *qos;qos++;
ae = *qos;qos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb,rb,gb,bb,ab, xe,ye,ze,we,re,ge,be,ae)) {if(a_stop) return false;}
}
return true;
}
bool add_lines(size_t a_floatn,const float* a_xyzs,bool a_stop = false) {
//lines = segments.
size_t num = a_floatn/3;
size_t nseg = num/2;
if(!nseg) return false;
m_mode = gl::lines();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xyzs+6*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = *pos;pos++;
xe = *pos;pos++;
ye = *pos;pos++;
ze = *pos;pos++;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
return true;
}
bool add_points(size_t a_floatn,const float* a_xyzs,bool a_stop = false){
size_t num = a_floatn/3;
m_mode = gl::points();
float x,y,z,w;
float* pos;
for(size_t ipt=0;ipt<num;ipt++) {
pos = (float*)(a_xyzs+3*ipt);
x = *pos;pos++;
y = *pos;pos++;
z = *pos;pos++;
project(x,y,z,w);
if(!add_point(x,y,z,w)) {if(a_stop) return false;}
}
return true;
}
bool add_points(size_t a_floatn,const float* a_xyzs,const float* a_rgbas,bool a_stop = false){
size_t num = a_floatn/3;
m_mode = gl::points();
float x,y,z,w;
float r,g,b,a;
float* pos;
float* qos;
for(size_t ipt=0;ipt<num;ipt++) {
pos = (float*)(a_xyzs+3*ipt);
x = *pos;pos++;
y = *pos;pos++;
z = *pos;pos++;
qos = (float*)(a_rgbas+4*ipt);
r = *qos;qos++;
g = *qos;qos++;
b = *qos;qos++;
a = *qos;qos++;
project(x,y,z,w);
if(!add_point(x,y,z,w,r,g,b,a)) {if(a_stop) return false;}
}
return true;
}
bool add_primitive(gl::mode_t a_mode,size_t a_floatn,const float* a_xyzs,bool a_stop = false) {
if(a_mode==gl::points()) {
return add_points(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::lines()) {
return add_lines(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::line_loop()) {
return add_line_loop(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::line_strip()) {
return add_line_strip(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::triangles()) {
return add_triangles(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::triangle_strip()) {
return add_triangle_strip(a_floatn,a_xyzs,a_stop);
} else if(a_mode==gl::triangle_fan()) {
return add_triangle_fan(a_floatn,a_xyzs,a_stop);
} else {
return false;
}
}
bool add_primitive(gl::mode_t a_mode,
size_t a_floatn,
const float* a_xyzs,
const float* a_rgbas,
bool a_stop = false){
if(a_mode==gl::points()) {
return add_points(a_floatn,a_xyzs,a_rgbas,a_stop);
} else if(a_mode==gl::lines()) {
return add_lines(a_floatn,a_xyzs,a_rgbas,a_stop);
} else if(a_mode==gl::line_loop()) {
return add_line_loop(a_floatn,a_xyzs,a_rgbas,a_stop);
} else if(a_mode==gl::line_strip()) {
return add_line_strip(a_floatn,a_xyzs,a_rgbas,a_stop);
} else if(a_mode==gl::triangles()) {
return add_triangles(a_floatn,a_xyzs,a_rgbas,a_stop);
} else if(a_mode==gl::triangle_strip()) {
return add_triangle_strip(a_floatn,a_xyzs,/*a_rgbas,*/a_stop);
} else if(a_mode==gl::triangle_fan()) {
return add_triangle_fan(a_floatn,a_xyzs,/*a_rgbas,*/a_stop);
} else {
return false;
}
}
////////////////////////////////////////////////////////
/// points with x,y only ///////////////////////////////
////////////////////////////////////////////////////////
bool add_points_xy(size_t a_floatn,const float* a_xys,bool a_stop = false) {
size_t num = a_floatn/2;
m_mode = gl::points();
float x,y,z,w;
float* pos;
for(size_t ipt=0;ipt<num;ipt++) {
pos = (float*)(a_xys+2*ipt);
x = *pos;pos++;
y = *pos;pos++;
z = 0;
project(x,y,z,w);
if(!add_point(x,y,z,w)) {if(a_stop) return false;}
}
return true;
}
bool add_triangle_fan_xy(size_t a_floatn,const float* a_xys,
bool a_stop = false,
bool a_triangle_revert = false){
size_t num = a_floatn/2;
if(num<3) return false;
m_mode = gl::triangle_fan();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
const float* pos1 = a_xys+2*0;
p1x = *(pos1+0);
p1y = *(pos1+1);
p1z = 0;
project(p1x,p1y,p1z,w1);
const float* pos2 = a_xys+2*1;
p2x = *(pos2+0);
p2y = *(pos2+1);
p2z = 0;
project(p2x,p2y,p2z,w2);
for(size_t index=2;index<num;index++) {
const float* pos = a_xys+2*index;
p3x = *(pos+0);
p3y = *(pos+1);
p3z = 0;
project(p3x,p3y,p3z,w3);
if(a_triangle_revert) {
if(!add_triangle(p3x,p3y,p3z,w3,
p2x,p2y,p2z,w2,
p1x,p1y,p1z,w1)) {
if(a_stop) return false;
}
} else {
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
}
p2x = p3x;
p2y = p3y;
p2z = p3z;
w2 = w3;
}
return true;
}
bool add_triangle_strip_xy(size_t a_floatn,const float* a_xys,
bool a_stop = false,
bool a_triangle_revert = false){
size_t num = a_floatn/2;
if(num<3) return false;
m_mode = gl::triangle_strip();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
const float* pos1 = a_xys+2*0;
p1x = *(pos1+0);
p1y = *(pos1+1);
p1z = 0;
project(p1x,p1y,p1z,w1);
const float* pos2 = a_xys+2*1;
p2x = *(pos2+0);
p2y = *(pos2+1);
p2z = 0;
project(p2x,p2y,p2z,w2);
bool flip = false;
for(size_t index=2;index<num;index++) {
const float* pos = a_xys+2*index;
p3x = *(pos+0);
p3y = *(pos+1);
p3z = 0;
project(p3x,p3y,p3z,w3);
if(a_triangle_revert) {
if(flip){
if(!add_triangle(p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3,
p1x,p1y,p1z,w1)) {
if(a_stop) return false;
}
} else {
if(!add_triangle(p3x,p3y,p3z,w3,
p2x,p2y,p2z,w2,
p1x,p1y,p1z,w1)) {
if(a_stop) return false;
}
}
} else {
if(flip){
if(!add_triangle(p1x,p1y,p1z,w1,
p3x,p3y,p3z,w3,
p2x,p2y,p2z,w2)) {
if(a_stop) return false;
}
} else {
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
}
}
p1x = p2x;
p1y = p2y;
p1z = p2z;
w1 = w2;
p2x = p3x;
p2y = p3y;
p2z = p3z;
w2 = w3;
flip = flip?false:true;
}
return true;
}
bool add_triangles_xy(size_t a_floatn,const float* a_xys,bool a_stop = false,bool a_triangle_revert = false){
size_t num = a_floatn/2;
if(num<3) return false;
m_mode = gl::triangles();
float p1x,p1y,p1z,w1=1;
float p2x,p2y,p2z,w2=1;
float p3x,p3y,p3z,w3=1;
for(size_t index=0;index<num;index+=3) {
const float* pos1 = a_xys+2*index;
p1x = *(pos1+0);
p1y = *(pos1+1);
p1z = 0;
project(p1x,p1y,p1z,w1);
const float* pos2 = a_xys+2*(index+1);
p2x = *(pos2+0);
p2y = *(pos2+1);
p2z = 0;
project(p2x,p2y,p2z,w2);
const float* pos3 = a_xys+2*(index+2);
p3x = *(pos3+0);
p3y = *(pos3+1);
p3z = 0;
project(p3x,p3y,p3z,w3);
if(a_triangle_revert) {
if(!add_triangle(p3x,p3y,p3z,w3,
p2x,p2y,p2z,w2,
p1x,p1y,p1z,w1)) {
if(a_stop) return false;
}
} else {
if(!add_triangle(p1x,p1y,p1z,w1,
p2x,p2y,p2z,w2,
p3x,p3y,p3z,w3)) {
if(a_stop) return false;
}
}
}
return true;
}
bool add_line_loop_xy(size_t a_floatn,const float* a_xys,bool a_stop = false){
size_t num = a_floatn/2;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_loop();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xys+2*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = 0;
xe = *pos;pos++;
ye = *pos;pos++;
ze = 0;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
//close the loop :
{pos = (float*)(a_xys+2*(nseg-1)+2);
xb = *pos;pos++;
yb = *pos;pos++;
zb = 0;
pos = (float*)(a_xys); //first point.
xe = *pos;pos++;
ye = *pos;pos++;
ze = 0;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)){if(a_stop) return false;}
}
return true;
}
bool add_line_strip_xy(size_t a_floatn,const float* a_xys,bool a_stop = false){
size_t num = a_floatn/2;
if(num<=1) return false;
size_t nseg = num-1;
m_mode = gl::line_strip();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xys+2*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = 0;
xe = *pos;pos++;
ye = *pos;pos++;
ze = 0;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
return true;
}
bool add_lines_xy(size_t a_floatn,const float* a_xys,bool a_stop = false){
//lines = segments. Each point having only (x,y) (no z).
//used in exlib::sg::[text_freetype, text_hershey].
size_t num = a_floatn/2;
size_t nseg = num/2;
if(!nseg) return false;
m_mode = gl::lines();
float xb,yb,zb,wb,xe,ye,ze,we;
float* pos;
for(size_t iseg = 0;iseg<nseg;iseg++) {
pos = (float*)(a_xys+4*iseg);
xb = *pos;pos++;
yb = *pos;pos++;
zb = 0;
xe = *pos;pos++;
ye = *pos;pos++;
ze = 0;
project(xb,yb,zb,wb);
project(xe,ye,ze,we);
if(!add_line(xb,yb,zb,wb, xe,ye,ze,we)) {if(a_stop) return false;}
}
return true;
}
bool add_primitive_xy(gl::mode_t a_mode,
size_t a_floatn,const float* a_xys,
bool a_stop = false,
bool a_triangle_revert = false){
if(a_mode==gl::points()) {
return add_points_xy(a_floatn,a_xys,a_stop);
} else if(a_mode==gl::lines()) {
return add_lines_xy(a_floatn,a_xys,a_stop);
} else if(a_mode==gl::line_loop()) {
return add_line_loop_xy(a_floatn,a_xys,a_stop);
} else if(a_mode==gl::line_strip()) {
return add_line_strip_xy(a_floatn,a_xys,a_stop);
} else if(a_mode==gl::triangles()) {
return add_triangles_xy(a_floatn,a_xys,a_stop,a_triangle_revert);
} else if(a_mode==gl::triangle_strip()) {
return add_triangle_strip_xy(a_floatn,a_xys,a_stop,a_triangle_revert);
} else if(a_mode==gl::triangle_fan()) {
return add_triangle_fan_xy(a_floatn,a_xys,a_stop,a_triangle_revert);
} else {
return false;
}
}
public:
bool add_primitive(gl::mode_t a_mode,const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_primitive(a_mode,a_xyzs.size(),_xyzs,a_stop);
}
bool add_primitive_xy(gl::mode_t a_mode,const std::vector<float>& a_xys,bool a_stop = false,bool a_triangle_revert = false){
const float* _xys = vec_data<float>(a_xys);
return add_primitive_xy(a_mode,a_xys.size(),_xys,a_stop,a_triangle_revert);
}
bool add_line_strip(const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_line_strip(a_xyzs.size(),_xyzs,a_stop);
}
bool add_line_loop(const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_line_loop(a_xyzs.size(),_xyzs,a_stop);
}
bool add_lines(const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_lines(a_xyzs.size(),_xyzs,a_stop);
}
bool add_points(const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_points(a_xyzs.size(),_xyzs,a_stop);
}
bool add_triangle_strip(const std::vector<float>& a_xyzs,bool a_stop = false){
const float* _xyzs = vec_data<float>(a_xyzs);
return add_triangle_strip(a_xyzs.size(),_xyzs,a_stop);
}
bool add_points_xy(const std::vector<float>& a_xys,bool a_stop = false){
const float* _xys = vec_data<float>(a_xys);
return add_points_xy(a_xys.size(),_xys,a_stop);
}
bool add_lines_xy(const std::vector<float>& a_xys,bool a_stop = false){
const float* _xys = vec_data<float>(a_xys);
return add_lines_xy(a_xys.size(),_xys,a_stop);
}
bool add_triangle_strip_xy(const std::vector<float>& a_xys,bool a_stop = false){
const float* _xys = vec_data<float>(a_xys);
return add_triangle_strip_xy(a_xys.size(),_xys,a_stop);
}
public:
//for sg::[tex_]sphere::visit() template :
bool add_triangle_fan(size_t a_floatn,const float* a_xyzs,const float* /*a_nms*/) {
return add_triangle_fan(a_floatn,a_xyzs);
}
bool add_triangle_fan(size_t a_floatn,const float* a_xyzs,const float* /*a_rgbas*/,const float* /*a_nms*/) {
return add_triangle_fan(a_floatn,a_xyzs);
}
/*
bool add_triangles_texture(size_t a_floatn,const float* a_xyzs,unsigned int,const float*){
return add_triangles(a_floatn,a_xyzs);
}
bool add_triangle_fan_texture(size_t a_floatn,const float* a_xyzs,unsigned int,const float*){
return add_triangle_fan(a_floatn,a_xyzs);
}
bool add_triangle_strip_texture(size_t a_floatn,const float* a_xyzs,unsigned int,const float*){
return add_triangle_strip(a_floatn,a_xyzs,false);
}
*/
bool add_triangle_fan_texture(size_t a_floatn,const float* a_xyzs,const float* /*a_nms*/,unsigned int,const float*){
return add_triangle_fan(a_floatn,a_xyzs);
}
bool add_triangle_strip_texture(size_t a_floatn,const float* a_xyzs,const float* /*a_nms*/,unsigned int,const float*){
return add_triangle_strip(a_floatn,a_xyzs,false);
}
bool add_triangle_strip(size_t a_floatn,const float* a_xyzs,const float* /*a_nms*/) {
return add_triangle_strip(a_floatn,a_xyzs,false);
}
bool add_triangle_strip(size_t a_floatn,const float* a_xyzs,const float* /*a_rgbas*/,const float* /*a_nms*/) {
return add_triangle_strip(a_floatn,a_xyzs,false);
}
protected:
gl::mode_t m_mode;
};
}}
#endif
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