void
OptimizerBlendZero::apply_zero(const RunParams ¶ms, const TaskBlend::Handle &blend, const Task::Handle &task) const
{
if (!task || !task->valid_target())
{
Task::Handle empty = new TaskSurfaceEmpty();
empty->target_surface = params.ref_task->target_surface;
apply(params, empty);
return;
}
if (task->target_surface == blend->target_surface)
{
apply(params, task);
return;
}
apply(params, task->clone());
params.ref_task->target_surface = blend->target_surface;
params.ref_task->move_target_rect(
blend->get_target_offset()
- task->get_target_offset()
+ (task == blend->sub_task_a() ? blend->offset_a : blend->offset_b) );
assert( params.ref_task->check() );
}
void
OptimizerSurfaceCreate::insert_task(
std::set<Surface::Handle> &created_surfaces,
const RunParams& params,
Task::List::iterator &i,
const Task::Handle &task ) const
{
if ( task
&& task->valid_target()
&& !task->target_surface->is_created()
&& !created_surfaces.count(task->target_surface) )
{
created_surfaces.insert(task->target_surface);
TaskSurfaceCreate::Handle surface_create = new TaskSurfaceCreate();
surface_create->target_surface = task->target_surface;
VectorInt size = task->target_surface->get_size();
RectInt rect = task->get_target_rect();
Vector lt = task->get_source_rect_lt();
Vector rb = task->get_source_rect_rb();
Vector k( (rb[0] - lt[0])/(rect.maxx - rect.minx),
(rb[1] - lt[1])/(rect.maxy - rect.miny) );
Vector nlt( lt[0] - k[0]*rect.minx,
lt[1] - k[1]*rect.miny);
Vector nrb( lt[0] + k[0]*(size[0] - rect.minx),
lt[1] + k[1]*(size[1] - rect.miny) );
surface_create->init_target_rect(RectInt(VectorInt::zero(), size), nlt, nrb);
assert( surface_create->check() );
i = params.list.insert(i, surface_create);
++i;
apply(params);
}
}