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/*
* Tesing cases
*/
#include <iostream>
#include <time.h>
#include "rasterize.h"
#include "io.h"
void test_isPointInTri() {
Point p0(0, 0);
Point p1(1, 0);
Point p2(1, 1);
Point p(0.2, 0.2);
if (is_point_in_tri(p, p0, p1, p2))
std::cout << "In";
else
std::cout << "Out";
std::cout << std::endl;
}
void test_getPointWeight() {
Point p0(0, 0);
Point p1(1, 0);
Point p2(1, 1);
Point p(0.2, 0.2);
float weight[3];
get_point_weight(weight, p, p0, p1, p2);
std::cout << weight[0] << " " << weight[1] << " " << weight[2] << std::endl;
}
void test_get_tri_normal() {
float tri_normal[3];
// float vertices[9] = {1, 0, 0, 0, 0, 0, 0, 1, 0};
float vertices[9] = {1, 1.1, 0, 0, 0, 0, 0, 0.6, 0.7};
int triangles[3] = {0, 1, 2};
int ntri = 1;
_get_tri_normal(tri_normal, vertices, triangles, ntri);
for (int i = 0; i < 3; ++i)
std::cout << tri_normal[i] << ", ";
std::cout << std::endl;
}
void test_load_obj() {
const char *fp = "../data/vd005_mesh.obj";
int nver = 35709;
int ntri = 70789;
auto *vertices = new float[nver];
auto *colors = new float[nver];
auto *triangles = new int[ntri];
load_obj(fp, vertices, colors, triangles, nver, ntri);
delete[] vertices;
delete[] colors;
delete[] triangles;
}
void test_render() {
// 1. loading obj
// const char *fp = "/Users/gjz/gjzprojects/Sim3DR/data/vd005_mesh.obj";
const char *fp = "/Users/gjz/gjzprojects/Sim3DR/data/face1.obj";
int nver = 35709; //53215; //35709;
int ntri = 70789; //105840;//70789;
auto *vertices = new float[3 * nver];
auto *colors = new float[3 * nver];
auto *triangles = new int[3 * ntri];
load_obj(fp, vertices, colors, triangles, nver, ntri);
// 2. rendering
int h = 224, w = 224, c = 3;
// enlarging
int scale = 4;
h *= scale;
w *= scale;
for (int i = 0; i < nver * 3; ++i) vertices[i] *= scale;
auto *image = new unsigned char[h * w * c]();
auto *depth_buffer = new float[h * w]();
for (int i = 0; i < h * w; ++i) depth_buffer[i] = -999999;
clock_t t;
t = clock();
_rasterize(image, vertices, triangles, colors, depth_buffer, ntri, h, w, c, true);
t = clock() - t;
double time_taken = ((double) t) / CLOCKS_PER_SEC; // in seconds
printf("Render took %f seconds to execute \n", time_taken);
// auto *image_char = new u_char[h * w * c]();
// for (int i = 0; i < h * w * c; ++i)
// image_char[i] = u_char(255 * image[i]);
write_ppm("res.ppm", image, h, w, c);
// delete[] image_char;
delete[] vertices;
delete[] colors;
delete[] triangles;
delete[] image;
delete[] depth_buffer;
}
void test_light() {
// 1. loading obj
const char *fp = "/Users/gjz/gjzprojects/Sim3DR/data/emma_input_0_noheader.ply";
int nver = 53215; //35709;
int ntri = 105840; //70789;
auto *vertices = new float[3 * nver];
auto *colors = new float[3 * nver];
auto *triangles = new int[3 * ntri];
load_ply(fp, vertices, triangles, nver, ntri);
// 2. rendering
// int h = 1901, w = 3913, c = 3;
int h = 2000, w = 4000, c = 3;
// enlarging
// int scale = 1;
// h *= scale;
// w *= scale;
// for (int i = 0; i < nver * 3; ++i) vertices[i] *= scale;
auto *image = new unsigned char[h * w * c]();
auto *depth_buffer = new float[h * w]();
for (int i = 0; i < h * w; ++i) depth_buffer[i] = -999999;
for (int i = 0; i < 3 * nver; ++i) colors[i] = 0.8;
clock_t t;
t = clock();
_rasterize(image, vertices, triangles, colors, depth_buffer, ntri, h, w, c, true);
t = clock() - t;
double time_taken = ((double) t) / CLOCKS_PER_SEC; // in seconds
printf("Render took %f seconds to execute \n", time_taken);
// auto *image_char = new u_char[h * w * c]();
// for (int i = 0; i < h * w * c; ++i)
// image_char[i] = u_char(255 * image[i]);
write_ppm("emma.ppm", image, h, w, c);
// delete[] image_char;
delete[] vertices;
delete[] colors;
delete[] triangles;
delete[] image;
delete[] depth_buffer;
}
int main(int argc, char *argv[]) {
// std::cout << "Hello CMake!" << std::endl;
// test_isPointInTri();
// test_getPointWeight();
// test_get_tri_normal();
// test_load_obj();
// test_render();
test_light();
return 0;
} |