VertexAttribute::VertexAttribute(string name, int nComponents, int componentsType)
{
bool correct = true;
if(componentsType == GL_FLOAT) componentsSize = 4;
else if(componentsType == GL_SHORT) componentsSize = 1;
else
{
DbgError("Not recognized vertex attribute type!");
correct = false;
componentsSize = 0;
}
if(correct)
{
if(nComponents > 4 or nComponents < 0)
{
componentsSize = 0;
DbgError("A vertex attribute can have more than 4 elements or less than 0.");
}
else
{
this->name = name;
this->componentsNum = nComponents;
this->componentsType = componentsType;
}
}
}
bool Image::Save(cchar *szFile)
{
if (!szFile)
{
DbgError("Null file name!");
return false;
}
DbgMessage("Image %s", szFile);
FILE *pFile = fopen(szFile, "wb");
if (!pFile)
{
DbgError("Unable to open file %s for writing!", szFile);
return false;
}
bool success = Save(pFile);
fclose(pFile);
return success;
}
unsigned char* Image::LoadFromFile(const char *filepath)
{
int n;
data = stbi_load(filepath, &width, &height, &n, 0);
if(data == 0)
{
width = height = format = size = 0;
DbgError("Error loading the texture '" << filepath << "', couldn't open/read the file.");
return data;
}
if(n == 3) format = GL_RGB;
else format = GL_RGBA;
size = width * height * n * sizeof(float);
return data;
}
