Author: Carlos Lopez <genet...@gmail.com>
Date: Mon Oct 10 21:21:08 2011 +0200
When drawing a width point position duck, print its position value near the
duck.
---
.../src/gui/workarearenderer/renderer_ducks.cpp | 66 ++++++++++++++++++++
1 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
index ded5468..4dabbe2 100644
--- a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
+++ b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
@@ -40,6 +40,9 @@
#include <ETL/misc>
#include "widgets/widget_color.h"
#include <synfig/distance.h>
+#include <synfig/valuenode_wplist.h>
+#include <synfig/valuenode_bline.h>
+#include <synfig/valuenode_composite.h>
#include "app.h"
#include "general.h"
@@ -477,6 +480,69 @@ Renderer_Ducks::render_vfunc(
}
+ if((*iter)->get_type()&&Duck::TYPE_WIDTHPOINT_POSITION)
+ {
+ if(hover)
+ {
+ synfig::Canvas::Handle
canvas_h(get_work_area()->get_canvas());
+ synfig::Time
time(canvas_h?canvas_h->get_time():synfig::Time(0));
+ synfigapp::ValueDesc
value_desc((*iter)->get_value_desc());
+ synfig::ValueNode_WPList::Handle wplist=NULL;
+ ValueNode_Composite::Handle
wpoint_composite=NULL;
+ Real radius=0.0;
+ Real new_value;
+ Point p((*iter)->get_trans_point());
+ if(value_desc.parent_is_value_node())
+
wplist=synfig::ValueNode_WPList::Handle::cast_dynamic(value_desc.get_parent_value_node());
+ if(wplist)
+ {
+ synfig::ValueNode_BLine::Handle
bline(synfig::ValueNode_BLine::Handle::cast_dynamic(wplist->get_bline()));
+
wpoint_composite=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node());
+ if(bline && wpoint_composite)
+ {
+
+ if (wplist->get_loop())
+ {
+ // The wplist is
looped. This may require a position parameter
+ // outside the range of
0-1, so make sure that the position doesn't
+ // change drastically.
+ Real
value_old((*(wpoint_composite->get_link("position")))(time).get(Real()));
+ Real value_new =
synfig::find_closest_point((*bline)(time), p , radius, bline->get_loop());
+ Real difference = fmod(
fmod(value_new - value_old, 1.0) + 1.0 , 1.0);
+ //fmod is called twice
to avoid negative values
+ if (difference > 0.5)
+
difference=difference-1.0;
+ new_value =
value_old+difference;
+ }
+ else
+ new_value =
synfig::find_closest_point((*bline)(time), p , radius, bline->get_loop());
+
+ cr->save();
+
layout->set_text(strprintf("%2.3f", new_value));
+
+ cr->set_source_rgb(0,0,0); //
DUCK_COLOR_WIDTH_TEXT_1
+ cr->move_to(
+ point[0]+1+6,
+ point[1]+1-18
+ );
+
layout->show_in_cairo_context(cr);
+ cr->stroke();
+
+
+ cr->set_source_rgb(1,0,1); //
DUCK_COLOR_WIDTH_TEXT_2
+ cr->move_to(
+ point[0]+6,
+ point[1]-18
+ );
+
layout->show_in_cairo_context(cr);
+ cr->stroke();
+
+ cr->restore();
+ }
+ }
+ }
+ }
+
}
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