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"SnapTo" feature enabled in the curve editor + non periodic handling of the flat curve editor.

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Here is the new modifiew key behaviour :

    * CONTROL while dragging a point :
      slow down 20x the point move (i.e. 1pixel of cursor move move the control point by 0.05px)

    * SHIFT while dragging a point :
      snap the point to the following elements, on a "use nearest solution" method :
          o Diagonal curve editor :
                + top bound,
                + bottom bound,
                + identity (diagonal) line,
                + same Y than previous point,
                + same Y than next point,
                + line made by the previous and next point ; this will help to create linear parts in the curve more easilly
          o Flat curve editor (when moving a point) :
                + top bound,
                + bottom bound,
                + identity (horizontal) line,
                + same Y than previous point (or last point if you move the first point),
                + same Y than next point (or first point if you move the last point
          o Flat curve editor (when moving a tangential handle) :
                + 0.0, 0.35, 0.5, 1.0 values
                  0.35 is the default handles value and does create an smooth "diagonal" transition between points.
This commit is contained in:
Hombre
2011-04-18 15:40:22 +02:00
parent a6370306f7
commit 3de100ae5e
13 changed files with 258 additions and 80 deletions
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6
rtgui/curveeditorgroup.cc
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@@ -56,8 +56,10 @@ void CurveEditorGroup::hideCurrentCurve() {
/*
* Add a new curve to the curves list
*
* The "periodic" parameter is only used by flat curve editors
*/
CurveEditor* CurveEditorGroup::addCurve(CurveType cType, Glib::ustring curveLabel) {
CurveEditor* CurveEditorGroup::addCurve(CurveType cType, Glib::ustring curveLabel, bool periodic) {
switch (cType) {
case (CT_Diagonal):
if (!diagonalSubGroup) {
@@ -68,7 +70,7 @@ CurveEditor* CurveEditorGroup::addCurve(CurveType cType, Glib::ustring curveLabe
if (!flatSubGroup) {
flatSubGroup = new FlatCurveEditorSubGroup(this);
}
return (CurveEditor*)flatSubGroup->addCurve(curveLabel);
return (CurveEditor*)flatSubGroup->addCurve(curveLabel, periodic);
default:
return (CurveEditor*)NULL;
break;