cv::Mat3b OpenCVUtil::pad_image(const cv::Mat3b& image, int paddingSize)
{
cv::Mat3b paddedImage = cv::Mat3b::zeros(image.rows + paddingSize * 2, image.cols + paddingSize * 2);
cv::Rect roi(paddingSize, paddingSize, image.cols, image.rows);
image.copyTo(paddedImage(roi));
return paddedImage;
}
void tgTextureModel::TextureFromImage(const tgCamera& cam, const cv::Mat3b& image)
{
ComputeFaceNormals();
m_face_tex_id.clear();
std::vector<bool> vertex_used(m_vertices.size(), false);
for (size_t i = 0; i < m_faces.size(); i++)
{
TomGine::tgFace &f = m_faces[i];
for (size_t j = 0; j < f.v.size(); j++)
{
const unsigned &vidx = f.v[j];
if (vertex_used[vidx])
continue;
vertex_used[vidx] = true;
TomGine::tgVertex &v = m_vertices[vidx];
v.texCoord = cam.GetTexCoords(v.pos);
v.texCoord.y = 1.0f - v.texCoord.y; // cv::Mat to OpenGL
}
m_face_tex_id.push_back(0);
}
m_tex_cv.resize(1);
image.copyTo(m_tex_cv[0]);
}