**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
+** Copyright (c) 2007, 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
Layer_PasteCanvas::Layer_PasteCanvas():
origin(0,0),
+ focus(0,0),
depth(0),
zoom(0),
time_offset(0),
.set_local_name(_("Children Lock"))
);
+ ret.push_back(ParamDesc("focus")
+ .set_local_name(_("Focus Point"))
+ .set_origin("origin")
+ .set_connect("origin")
+ .set_description(_("Point to remain fixed when zooming"))
+ // .set_invisible_duck()
+ );
+
+ // optimize_layers() in canvas.cpp makes a new PasteCanvas layer
+ // and copies over the parameters of the old layer. the
+ // 'curr_time' member wasn't being copied, so I've added it as a
+ // hidden, non critical parameter, and now it will be. this
+ // allows a single exported subcanvas to be used more than once at
+ // a time, with different time offets in each. see bug #1896557.
+ ret.push_back(ParamDesc("curr_time")
+ .set_local_name(_("Current Time"))
+ .not_critical()
+ .hidden()
+ );
+
return ret;
}
Layer_PasteCanvas::set_param(const String & param, const ValueBase &value)
{
IMPORT(origin);
+ IMPORT(focus);
// IMPORT(canvas);
if(param=="canvas" && value.same_type_as(Canvas::Handle()))
return true;
}
- //! \todo this introduces bug 1844764 if enabled; it was introduced in r954, but I can't see if it's useful
+ //! \todo this introduces bug 1844764 if enabled; it was introduced in r954.
+ // http://synfig.org/images/3/3d/Moving-waypoints.sifz is an
+ // example of an animation that has its waypoints displayed
+ // incorrectly without this fix; select the outer layer and drag
+ // the time slider. The linear waypoints don't take effect until
+ // 5s, but the time slider appears to pass the first one at 3s.
#if 0
if (param=="time_offset" && value.same_type_as(time_offset))
{
IMPORT(children_lock);
IMPORT(zoom);
+ IMPORT(curr_time);
return Layer_Composite::set_param(param,value);
}
child_changed_connection.disconnect();
+ if (canvas != x) signal_subcanvas_changed()();
+
canvas=x;
/*if(canvas)
);
*/
if(canvas)
- bounds = ((canvas->get_context().get_full_bounding_rect() - canvas->rend_desc().get_focus()) * exp(zoom) +
- origin + canvas->rend_desc().get_focus());
+ bounds = ((canvas->get_context().get_full_bounding_rect() - focus) * exp(zoom) + origin + focus);
if(canvas && muck_with_time_)
add_child(canvas.get());
on_canvas_set();
}
+// when a pastecanvas that contains another pastecanvas is copy/pasted
+// from one document to another, only the outermost pastecanvas was
+// getting its renddesc set to match that of its new parent. this
+// function is used to recurse through the pastecanvas copying its
+// renddesc to any pastecanvases it contains (bug #2116947, svn r2200)
+void
+Layer_PasteCanvas::update_renddesc()
+{
+ if(!get_canvas() || !canvas || !canvas->is_inline()) return;
+
+ canvas->rend_desc()=get_canvas()->rend_desc();
+ for (Context context = canvas->get_context(); !context->empty(); context++)
+ {
+ etl::handle<Layer_PasteCanvas> paste = etl::handle<Layer_PasteCanvas>::cast_dynamic(*context);
+ if (paste) paste->update_renddesc();
+ }
+}
+
// This is called whenever the parent canvas gets set/changed
void
Layer_PasteCanvas::on_canvas_set()
Layer_PasteCanvas::get_param(const String& param)const
{
EXPORT(origin);
+ EXPORT(focus);
EXPORT(canvas);
EXPORT(zoom);
EXPORT(time_offset);
EXPORT(children_lock);
+ EXPORT(curr_time);
EXPORT_NAME();
EXPORT_VERSION();
{
canvas->set_time(time+time_offset);
- bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
+ bounds=(canvas->get_context().get_full_bounding_rect()-focus)*exp(zoom)+origin+focus;
}
else
bounds=Rect::zero();
if(depth==MAX_DEPTH)return 0;depth_counter counter(depth);
if (canvas) {
- Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
+ Point target_pos=(pos-focus-origin)/exp(zoom)+focus;
if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25)
{
if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth);
- Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
+ Point target_pos=(pos-focus-origin)/exp(zoom)+focus;
return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method());
}
if(!canvas || !get_amount())
return context.accelerated_render(surface,quality,renddesc,cb);
- if(muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
- canvas->set_time(curr_time+time_offset);
-
SuperCallback stageone(cb,0,4500,10000);
SuperCallback stagetwo(cb,4500,9000,10000);
SuperCallback stagethree(cb,9000,9999,10000);
RendDesc desc(renddesc);
Vector::value_type zoomfactor=1.0/exp(zoom);
desc.clear_flags();
- desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
- desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
+ desc.set_tl((desc.get_tl()-focus-origin)*zoomfactor+focus);
+ desc.set_br((desc.get_br()-focus-origin)*zoomfactor+focus);
desc.set_flags(RendDesc::PX_ASPECT);
if (is_solid_color() || context->empty())
else if (!context.accelerated_render(surface,quality,renddesc,&stageone))
return false;
+ if(muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
+ canvas->set_time(curr_time+time_offset);
+
Color::BlendMethod blend_method(get_blend_method());
const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect());
if (blend_method==Color::BLEND_COMPOSITE) blend_using_straight = true;
}
- if (!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect+origin))
+ if (!etl::intersect(context.get_full_bounding_rect(),(full_bounding_rect-focus)*exp(zoom)+origin+focus))
{
- // if there's no intersection between the context and our surface, and we're rendering 'onto', then we're done
- if (Color::is_onto(blend_method)) return true;
+ // if there's no intersection between the context and our
+ // surface, and we're rendering 'onto', then we're done
+ if (Color::is_onto(blend_method) && !Color::is_straight(blend_method))
+ return true;
/* 'straight' is faster than 'composite' and has the same
* effect if the affected area of the lower layer is