int main()
{
Alpha a,b;
Alpha c;
c = a+b;
c.print_me();
return 0;
}
void Tracer::evaluate_alpha(
const Material& material,
const ShadingPoint& shading_point,
Alpha& alpha) const
{
// Init to fully opaque.
alpha.set(1.0f);
// Evaluate the alpha map at the shading point.
if (const Source* alpha_map = material.get_alpha_map())
{
alpha_map->evaluate(
m_texture_cache,
shading_point.get_uv(0),
alpha);
}
#ifdef WITH_OSL
if (const ShaderGroup* sg = material.get_osl_surface())
{
if (sg->has_transparency())
{
Alpha a;
m_shadergroup_exec.execute_transparency(
*sg,
shading_point,
a);
alpha *= a;
}
}
#endif
}
::HRESULT __stdcall ThumbnailProvider::GetThumbnail (
::UINT width, ::HBITMAP * bitmap, ::WTS_ALPHATYPE * alphatype
)
try
{
Alpha alpha = Alpha::unknown();
compute(w32::gdi::Size(width,width),32);
const w32::gdi::Bitmap& thumbnail = fetch();
*bitmap = thumbnail.handle();
*alphatype = alpha.value();
return (S_OK);
}
catch ( const w32::Error& error ) {
DEBUG("GetThumbnail: w3232 unchecked error!");
return (HRESULT_FROM_WIN32(error.code()));
}
catch ( ... ) {
DEBUG("GetThumbnail: unknown failure!");
return (E_FAIL);
}
double Optimizer::ComputeCost(InputPtr input_image, ModelPtr model, Alpha& alpha) const
{
double function_value = 0;
int random_num = 1000;
vector<int> triangle_ids;
model->GenerateRandomNumbers(random_num, triangle_ids);
//int random_num = random_points_.size();
for (int i = 0; i < random_num; ++i)
{
int id = triangle_ids[i];
//int id = random_points_[i];
ivec2 pos = alpha.ComputePosition(id);
vec3 model_color = alpha.ComputeColor(id); // in RGB order
vec3 input_color = input_image->GetColor(Point(pos[0], pos[1])); // in RGB order
vec3 diff = (model_color - input_color);
function_value += dot(diff, diff);
}
return 40.0/1000*function_value;
}
double Optimizer::ComputeCost(InputPtr input_image, Alpha& alpha) const
{
double function_value = 0;
for (int i = 0; i < LandmarkNum; ++i)
{
vec2 model_pos = alpha.ComputeLandmarkPosition(i);
vec2 input_pos = input_image->LandmarkPosition(i);
vec2 diff = (model_pos - input_pos);
function_value += dot(diff, diff);
}
return function_value;
}
int main(void){
Alpha a;
Beta b;
a.f1();
b.f1();
}
void process_transparency_tree(const OSL::ClosureColor* ci, Alpha& alpha)
{
// Convert from transparency to opacity.
float transp = luminance(do_process_closure_id_tree(ci, TransparentID));
alpha.set(1.0f - clamp(transp, 0.0f, 1.0f));
}
void process_transparency_tree(const OSL::ClosureColor* ci, Alpha& alpha)
{
// Convert from transparency to opacity.
const float transparency = saturate(luminance(do_process_closure_id_tree(ci, TransparentID)));
alpha.set(1.0f - transparency);
}
Alpha::Alpha(const Alpha& New_Alpha):BasisAlpha(New_Alpha)
{
Coefficients_ = New_Alpha.Coefficients();
}//Close copy constructor.
