Author: Carlos Lopez <genet...@gmail.com>
Date: Thu Oct 20 21:56:47 2011 +0200
Add new member to get the boundarized position. Add code to correct the hover
text on duck and the ValueDescSet action.
---
synfig-core/src/synfig/widthpoint.cpp | 11 +++++++++--
synfig-core/src/synfig/widthpoint.h | 2 ++
.../src/gui/workarearenderer/renderer_ducks.cpp | 7 +++++--
.../src/synfigapp/actions/valuedescset.cpp | 7 +++++--
4 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/synfig-core/src/synfig/widthpoint.cpp
b/synfig-core/src/synfig/widthpoint.cpp
index 8144f9b..2624a2d 100644
--- a/synfig-core/src/synfig/widthpoint.cpp
+++ b/synfig-core/src/synfig/widthpoint.cpp
@@ -78,7 +78,13 @@ WidthPoint::get_position()const
Real
WidthPoint::get_norm_position(bool wplistloop)const
{
- Real ret(get_position()-lower_bound_);
+ return
(get_bound_position(wplistloop)-lower_bound_)/(upper_bound_-lower_bound_);
+}
+
+Real
+WidthPoint::get_bound_position(bool wplistloop)const
+{
+ Real ret(position_-lower_bound_);
Real range(upper_bound_-lower_bound_);
if(!wplistloop)
{
@@ -90,9 +96,10 @@ WidthPoint::get_norm_position(bool wplistloop)const
ret=fmod(ret, range);
ret=ret>=0.0?ret:(range+ret);
}
- return ret/range;
+ return ret+lower_bound_;
}
+
void
WidthPoint::normalize(bool loop)
{
diff --git a/synfig-core/src/synfig/widthpoint.h
b/synfig-core/src/synfig/widthpoint.h
index da41a5a..429b206 100644
--- a/synfig-core/src/synfig/widthpoint.h
+++ b/synfig-core/src/synfig/widthpoint.h
@@ -69,6 +69,8 @@ public:
void set_position(const Real& x);
// gets the normalised position: converts it to be inside [0,1]
Real get_norm_position(bool wplistloop)const;
+ // gets the postion inside the lower and upper boundaries
+ Real get_bound_position(bool wplistloop)const;
// changes the widthpoint's position to be inside [0,1)
void normalize(bool loop);
diff --git a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
index 147fe69..b180f99 100644
--- a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
+++ b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
@@ -524,6 +524,7 @@ Renderer_Ducks::render_vfunc(
// change drastically.
// First normalise the
current position
Real
value_old(wp.get_norm_position(wplistloop));
+ Real
value_old_b(wp.get_bound_position(wplistloop));
// If it is homogeneous
then convert it to standard
value_old=homogeneous?hom_to_std((*bline)(time), value_old, wplistloop,
blineloop):value_old;
// grab a new position
given by duck's position on the bline
@@ -537,8 +538,10 @@ Renderer_Ducks::render_vfunc(
new_value=value_old+difference;
// restore the
homogeneous value if needed
new_value =
homogeneous?std_to_hom((*bline)(time), new_value, wplistloop,
blineloop):new_value;
- // convert the
new_value in terms of current boundaries
- new_value =
wp.get_lower_bound()+new_value*(wp.get_upper_bound()-wp.get_lower_bound());
+ // this is the
difference between the new value and the old value inside the boundaries
+ Real
bound_diff((wp.get_lower_bound() +
new_value*(wp.get_upper_bound()-wp.get_lower_bound()))-value_old_b);
+ // add the new diff to
the current value
+ new_value =
wp.get_position() + bound_diff;
}
else
{
diff --git a/synfig-studio/src/synfigapp/actions/valuedescset.cpp
b/synfig-studio/src/synfigapp/actions/valuedescset.cpp
index 9cda937..0fe3239 100644
--- a/synfig-studio/src/synfigapp/actions/valuedescset.cpp
+++ b/synfig-studio/src/synfigapp/actions/valuedescset.cpp
@@ -567,6 +567,7 @@ Action::ValueDescSet::prepare()
// outside the range of 0-1, so
make sure that the position doesn't
// change drastically.
Real
amount_old(wp.get_norm_position(wplistloop));
+ Real
amount_old_b(wp.get_bound_position(wplistloop));
// If it is homogeneous then
convert it to standard
amount_old=homogeneous?hom_to_std((*bline)(time), amount_old, wplistloop,
blineloop):amount_old;
// grab a new position given by
duck's position on the bline
@@ -580,8 +581,10 @@ Action::ValueDescSet::prepare()
new_amount=amount_old+difference;
// restore the homogeneous
value if needed
new_amount =
homogeneous?ValueBase(std_to_hom((*bline)(time), new_amount, wplistloop,
blineloop)):new_amount;
- // convert the new_value in
terms of current boundaries
- new_amount =
wp.get_lower_bound()+new_amount*(wp.get_upper_bound()-wp.get_lower_bound());
+ // this is the difference
between the new amount and the old amount inside the boundaries
+ Real
bound_diff((wp.get_lower_bound() +
new_amount*(wp.get_upper_bound()-wp.get_lower_bound()))-amount_old_b);
+ // add the new diff to the
current amount
+ new_amount = wp.get_position()
+ bound_diff;
}
else
{
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