1 files changed, 260 insertions, 0 deletions
diff --git a/chalk/plugins/tools/tool_curves/kis_curve_framework.cpp b/chalk/plugins/tools/tool_curves/kis_curve_framework.cpp
new file mode 100644
index 000000000..8a9b4c886
--- /dev/null
+++ b/chalk/plugins/tools/tool_curves/kis_curve_framework.cpp
@@ -0,0 +1,260 @@
+/*
+ *  Copyright (c) 2006 Emanuele Tamponi <emanuele@valinor.it>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+ 
+#include <tqvaluelist.h>
+#include <tqrect.h>
+#include "kis_point.h"
+
+#include "kis_curve_framework.h"
+
+/* **************************** *
+ * KisCurve methods definitions *
+ * **************************** */
+
+KisCurve::iterator KisCurve::addPivot (KisCurve::iterator it, const KisPoint& point)
+{
+    return iterator(*this,m_curve.insert(it.position(), CurvePoint(point,true,false,NOHINTS)));
+}
+
+KisCurve::iterator KisCurve::pushPivot (const KisPoint& point)
+{
+    return selectPivot(iterator(*this,m_curve.append(CurvePoint(point,true,false,NOHINTS))), true);
+}
+
+KisCurve::iterator KisCurve::addPoint (KisCurve::iterator it, const KisPoint& point, bool pivot, bool selected, int hint)
+{
+    return iterator(*this,m_curve.insert(it.position(), CurvePoint(point,pivot,selected, hint)));
+}
+
+KisCurve::iterator KisCurve::addPoint (KisCurve::iterator it, const CurvePoint& point)
+{
+    return iterator(*this,m_curve.insert(it.position(), point));
+}
+
+KisCurve::iterator KisCurve::pushPoint (const KisPoint& point, bool pivot, bool selected,int hint)
+{
+    return iterator(*this,m_curve.append(CurvePoint(point,pivot,selected,hint)));
+}
+
+KisCurve::iterator KisCurve::pushPoint (const CurvePoint& point)
+{
+    return iterator(*this,m_curve.append(point));
+}
+
+KisCurve KisCurve::pivots()
+{
+    KisCurve temp;
+
+    for (iterator it = begin(); it != end(); it = it.nextPivot())
+        temp.pushPoint((*it));
+
+    return temp;
+}
+
+KisCurve KisCurve::selectedPivots(bool selected)
+{
+    KisCurve temp;
+
+    for (iterator it = begin(); it != end(); it = it.nextPivot())
+        if ((*it).isSelected() == selected)
+            temp.pushPoint((*it));
+
+    return temp;
+}
+
+KisCurve KisCurve::subCurve(const KisPoint& tend)
+{
+    return subCurve(find(tend).previousPivot(),find(tend));
+}
+
+KisCurve KisCurve::subCurve(const CurvePoint& tend)
+{
+    return subCurve(find(tend).previousPivot(),find(tend));
+}
+
+KisCurve KisCurve::subCurve(iterator tend)
+{
+    return subCurve(tend.previousPivot(),tend);
+}
+
+KisCurve KisCurve::subCurve(const KisPoint& tstart, const KisPoint& tend)
+{
+    return subCurve(find(tstart),find(tend));
+}
+
+KisCurve KisCurve::subCurve(const CurvePoint& tstart, const CurvePoint& tend)
+{
+    return subCurve(find(tstart),find(tend));
+}
+
+KisCurve KisCurve::subCurve(iterator tstart, iterator tend)
+{
+    KisCurve temp;
+
+    while (tstart != tend && tstart != m_curve.end())
+        temp.pushPoint((*++tstart));
+
+    return temp;
+}
+
+void KisCurve::deleteFirstPivot ()
+{
+    if (!m_curve.isEmpty()) {
+        m_curve.pop_front();
+        while (m_curve.count() > 1 && !first().isPivot())
+            m_curve.pop_front();
+    }
+}
+
+void KisCurve::deleteLastPivot ()
+{
+    if (!m_curve.isEmpty()) {
+        m_curve.pop_back();
+        while (m_curve.count() > 1 && !last().isPivot())
+            m_curve.pop_back();
+    }
+}
+
+KisCurve::iterator KisCurve::deleteCurve (const KisPoint& pos1, const KisPoint& pos2)
+{
+    return deleteCurve (CurvePoint(pos1),CurvePoint(pos2));
+}
+
+KisCurve::iterator KisCurve::deleteCurve (const CurvePoint& pos1, const CurvePoint& pos2)
+{
+    return deleteCurve (find(pos1),find(pos2));
+}
+
+KisCurve::iterator KisCurve::deleteCurve (KisCurve::iterator pos1, KisCurve::iterator pos2)
+{
+    if (pos1 == pos2)
+        return end();
+    iterator pos = pos1;
+    pos++;
+    while (pos != pos2 && pos != end()) {
+        pos = m_curve.erase(pos.position());
+    }
+    return pos;
+}
+
+KisCurve::iterator KisCurve::selectPivot(const KisPoint& pt, bool isSelected)
+{
+    return selectPivot(find(CurvePoint(pt,true)),isSelected);
+}
+
+KisCurve::iterator KisCurve::selectPivot(const CurvePoint& pt, bool isSelected)
+{
+    return selectPivot(find(pt),isSelected);
+}
+
+KisCurve::iterator KisCurve::selectPivot(KisCurve::iterator it, bool isSelected)
+{
+    bool sel = false;
+    if (m_standardkeepselected) {
+        if (m_actionOptions & KEEPSELECTEDOPTION)
+            sel = true;
+    }
+    KisCurve selected = pivots();
+    for (iterator i = selected.begin(); i != selected.end(); i++)
+        (*find((*i))).setSelected(sel);
+    (*it).setSelected(isSelected);
+
+    return it;
+}
+
+KisCurve::iterator KisCurve::movePivot(const KisPoint& oldPt, const KisPoint& newPt)
+{
+    return movePivot(CurvePoint(oldPt,true), newPt);
+}
+
+KisCurve::iterator KisCurve::movePivot(const CurvePoint& oldPt, const KisPoint& newPt)
+{
+    return movePivot(find(oldPt), newPt);
+}
+
+KisCurve::iterator KisCurve::movePivot(KisCurve::iterator it, const KisPoint& newPt)
+{
+    if (!(*it).isPivot())
+        return end();
+
+    (*it).setPoint(newPt);
+
+    if ((*it) != first()) {
+        deleteCurve (it.previousPivot(), it);
+        calculateCurve (it.previousPivot(), it, it);
+    }
+    if ((*it) != last()) {
+        deleteCurve (it, it.nextPivot());
+        calculateCurve (it, it.nextPivot(), it.nextPivot());
+    }
+
+    return it;
+}
+
+void KisCurve::deletePivot (const KisPoint& pt)
+{
+    deletePivot(CurvePoint(pt));
+}
+
+void KisCurve::deletePivot (const CurvePoint& pt)
+{
+    deletePivot(find(pt));
+}
+
+void KisCurve::deletePivot (KisCurve::iterator it)
+{
+    if (!(*it).isPivot())
+        return;
+
+    iterator start = it.previousPivot();
+    iterator end = it.nextPivot();
+
+    if (end == m_curve.end())
+        deleteLastPivot();
+    else if (start == it)
+        deleteFirstPivot();
+    else {
+        deleteCurve(start,end);
+        calculateCurve(start,end,end);
+    }
+}
+
+// Probably it can be optimized - it is smooth though.
+void KisCurve::moveSelected (const KisPoint& trans)
+{
+    KisPoint p;
+    KisCurve sel = selectedPivots();
+
+    for (iterator it = sel.begin(); it != sel.end(); it++) {
+        p = (*it).point() + trans;
+        movePivot((*it),p);
+    }
+}
+
+void KisCurve::deleteSelected ()
+{
+    KisCurve sel = selectedPivots();
+    for (iterator it = sel.begin(); it != sel.end(); it++)
+        deletePivot((*it));
+}
+
+void KisCurve::selectAll(bool sel)
+{
+    for (iterator i = begin(); i != end(); i = i.nextPivot())
+        (*i).setSelected(sel);
+}