surface composer::compose(const std::string &src, const std::string &dest)
{
cutter cut;
cut.set_verbose(verbose_);
const config src_conf = cut.load_config(src);
const config dest_conf = cut.load_config(dest);
if(verbose_) {
std::cerr << "Loading masks...\n";
}
cut.load_masks(src_conf);
cut.load_masks(dest_conf);
if(verbose_) {
std::cerr << "Loading images...\n";
}
const surface src_surface(make_neutral_surface(IMG_Load(src.c_str())));
if(src_surface == NULL)
throw exploder_failure("Unable to load the source image " + src);
const surface dest_surface(make_neutral_surface(IMG_Load(dest.c_str())));
if(dest_surface == NULL)
throw exploder_failure("Unable to load the destination image " + dest);
if(verbose_) {
std::cerr << "Cutting images...\n";
}
const cutter::surface_map src_surfaces = cut.cut_surface(src_surface, src_conf);
const cutter::surface_map dest_surfaces = cut.cut_surface(dest_surface, dest_conf);
for(cutter::surface_map::const_iterator itor = dest_surfaces.begin();
itor != dest_surfaces.end(); ++itor) {
const std::string& name = itor->second.name;
if(src_surfaces.find(name) == src_surfaces.end())
continue;
const cutter::positioned_surface& src_ps = src_surfaces.find(name)->second;
const cutter::positioned_surface& dest_ps = itor->second;
if(!image_empty(dest_ps.image)) {
if(interactive_) {
//TODO: make "interactive" mode work
} else {
std::cerr << "Warning: element " << name << " not empty on destination image\n";
}
}
if(verbose_) {
std::cerr << "Inserting image " << name
<< " on position (" << dest_ps.pos.x
<< ", " << dest_ps.pos.y << ")\n";
}
masked_overwrite_surface(dest_surface, src_ps.image,
src_ps.mask.image,
dest_ps.pos.x, dest_ps.pos.y);
}
return dest_surface;
}
