GLuint SkyBox::addTexture(std::string path, SkyBoxFace face)
{
/* load image from file */
bitmap_image image = bitmap_image(path);
image.rgb_to_bgr();
/* bind and create texture */
glBindTexture(GL_TEXTURE_2D, textures_[face]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, image.width(), image.height(), 0, GL_RGB, GL_UNSIGNED_BYTE, image.data());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
/* clean up */
glBindTexture(GL_TEXTURE_2D, 0);
return textures_[face];
}
int main(int argc, char** argv) {
char* begin = argv[1];
int width = bitmap_image(begin).width();
bitmap_image result(width, width);
int gh = 0;
for(int i = 1; i < argc; ++i) {
bitmap_image img(argv[i]);
int height = img.height();
for(int k = 0; k < height; ++k) {
for(int j = 0; j < width; ++j) {
unsigned char c[3];
img.get_pixel(j, k, c[0], c[1], c[2]);
result.set_pixel(j, gh, c[0], c[1], c[2]);
}
gh++;
}
}
result.save_image("result.bmp");
return 0;
}
