1 files changed, 294 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx b/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx
new file mode 100644
index 000000000000..71b6c024ae7a
--- /dev/null
+++ b/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx
@@ -0,0 +1,294 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_sd.hxx"
+#include "controller/SlsAnimationFunction.hxx"
+#include "model/SlsPageDescriptor.hxx"
+#include "view/SlideSorterView.hxx"
+
+
+#include <osl/diagnose.hxx>
+#include <rtl/math.hxx>
+
+namespace sd { namespace slidesorter { namespace controller {
+
+
+double AnimationFunction::Linear (const double nTime)
+{
+    OSL_ASSERT(nTime>=0.0 && nTime<=1.0);
+    return nTime;
+}
+
+
+
+
+double AnimationFunction::FastInSlowOut_Sine (const double nTime)
+{
+    OSL_ASSERT(nTime>=0.0 && nTime<=1.0);
+
+    const double nResult (sin(nTime * M_PI/2));
+
+    OSL_ASSERT(nResult>=0.0 && nResult<=1.0);
+    return nResult;
+}
+
+
+
+
+double AnimationFunction::FastInSlowOut_Root (const double nTime)
+{
+    OSL_ASSERT(nTime>=0.0 && nTime<=1.0);
+
+    const double nResult (sqrt(nTime));
+
+    OSL_ASSERT(nResult>=0.0 && nResult<=1.0);
+    return nResult;
+}
+
+
+
+
+double AnimationFunction::SlowInSlowOut_0to0_Sine (const double nTime)
+{
+    OSL_ASSERT(nTime>=0.0 && nTime<=1.0);
+
+    const double nResult (sin(nTime * M_PI));
+
+    OSL_ASSERT(nResult>=0.0 && nResult<=1.0);
+    return nResult;
+}
+
+
+
+
+double AnimationFunction::Vibrate_Sine (const double nTime)
+{
+    return sin(nTime*M_PI*8);
+}
+
+
+
+
+Point AnimationFunction::ScalePoint (const Point& rPoint, const double nTime)
+{
+    return Point(
+        sal_Int32(::rtl::math::round(rPoint.X() * nTime)),
+        sal_Int32(::rtl::math::round(rPoint.Y() * nTime)));
+}
+
+
+
+
+double AnimationFunction::Blend (
+    const double nStartValue,
+    const double nEndValue,
+    const double nTime)
+{
+    return nStartValue*(1-nTime) + nEndValue*nTime;
+}
+
+
+
+
+void AnimationFunction::ApplyVisualStateChange (
+    const model::SharedPageDescriptor& rpDescriptor,
+    view::SlideSorterView& rView,
+    const double nTime)
+{
+    if (rpDescriptor)
+    {
+        rpDescriptor->GetVisualState().SetVisualStateBlend(nTime);
+        rView.RequestRepaint(rpDescriptor);
+    }
+}
+
+
+
+
+void AnimationFunction::ApplyLocationOffsetChange (
+    const model::SharedPageDescriptor& rpDescriptor,
+    view::SlideSorterView& rView,
+    const Point aLocationOffset)
+{
+    if (rpDescriptor)
+    {
+        const Rectangle aOldBoundingBox(rpDescriptor->GetBoundingBox());
+        rpDescriptor->GetVisualState().SetLocationOffset(aLocationOffset);
+        rView.RequestRepaint(aOldBoundingBox);
+        rView.RequestRepaint(rpDescriptor);
+    }
+}
+
+
+
+
+void AnimationFunction::ApplyButtonAlphaChange(
+    const model::SharedPageDescriptor& rpDescriptor,
+    view::SlideSorterView& rView,
+    const double nButtonAlpha,
+    const double nButtonBarAlpha)
+{
+    if (rpDescriptor)
+    {
+        rpDescriptor->GetVisualState().SetButtonAlpha(nButtonAlpha);
+        rpDescriptor->GetVisualState().SetButtonBarAlpha(nButtonBarAlpha);
+        rView.RequestRepaint(rpDescriptor);
+    }
+}
+
+
+
+
+//===== AnimationBezierFunction ===============================================
+
+AnimationBezierFunction::AnimationBezierFunction (
+    const double nX1,
+    const double nY1,
+    const double nX2,
+    const double nY2)
+    : mnX1(nX1),
+      mnY1(nY1),
+      mnX2(nX2),
+      mnY2(nY2)
+{
+}
+
+
+
+
+AnimationBezierFunction::AnimationBezierFunction (
+    const double nX1,
+    const double nY1)
+    : mnX1(nX1),
+      mnY1(nY1),
+      mnX2(1-nY1),
+      mnY2(1-nX1)
+{
+}
+
+
+
+
+::basegfx::B2DPoint AnimationBezierFunction::operator() (const double nT)
+{
+    return ::basegfx::B2DPoint(
+        EvaluateComponent(nT, mnX1, mnX2),
+        EvaluateComponent(nT, mnY1, mnY2));
+}
+
+
+
+
+double AnimationBezierFunction::EvaluateComponent (
+    const double nT,
+    const double nV1,
+    const double nV2)
+{
+    const double nS (1-nT);
+
+    // While the control point values 1 and 2 are explicitly given the start
+    // and end values are implicitly given.
+    const double nV0 (0);
+    const double nV3 (1);
+
+    const double nV01 (nS*nV0 + nT*nV1);
+    const double nV12 (nS*nV1 + nT*nV2);
+    const double nV23 (nS*nV2 + nT*nV3);
+
+    const double nV012 (nS*nV01 + nT*nV12);
+    const double nV123 (nS*nV12 + nT*nV23);
+
+    const double nV0123 (nS*nV012 + nT*nV123);
+
+    return nV0123;
+}
+
+
+
+
+//===== AnimationParametricFunction ===========================================
+
+AnimationParametricFunction::AnimationParametricFunction (const ParametricFunction& rFunction)
+    : maY()
+{
+    const sal_Int32 nSampleCount (64);
+
+    // Sample the given parametric function.
+    ::std::vector<basegfx::B2DPoint> aPoints;
+    aPoints.reserve(nSampleCount);
+    for (sal_Int32 nIndex=0; nIndex<nSampleCount; ++nIndex)
+    {
+        const double nT (nIndex/double(nSampleCount-1));
+        aPoints.push_back(basegfx::B2DPoint(rFunction(nT)));
+    }
+
+    // Interpolate at evenly spaced points.
+    maY.clear();
+    maY.reserve(nSampleCount);
+    double nX0 (aPoints[0].getX());
+    double nY0 (aPoints[0].getY());
+    double nX1 (aPoints[1].getX());
+    double nY1 (aPoints[1].getY());
+    sal_Int32 nIndex (1);
+    for (sal_Int32 nIndex2=0; nIndex2<nSampleCount; ++nIndex2)
+    {
+        const double nX (nIndex2 / double(nSampleCount-1));
+        while (nX > nX1 && nIndex<nSampleCount)
+        {
+            nX0 = nX1;
+            nY0 = nY1;
+            nX1 = aPoints[nIndex].getX();
+            nY1 = aPoints[nIndex].getY();
+            ++nIndex;
+        }
+        const double nU ((nX-nX1) / (nX0 - nX1));
+        const double nY (nY0*nU + nY1*(1-nU));
+        maY.push_back(nY);
+    }
+}
+
+
+
+
+double AnimationParametricFunction::operator() (const double nX)
+{
+    const sal_Int32 nIndex0 (nX * maY.size());
+    const double nX0 (nIndex0 / double(maY.size()-1));
+    const sal_uInt32 nIndex1 (nIndex0 + 1);
+    const double nX1 (nIndex1 / double(maY.size()-1));
+
+    if (nIndex0<=0)
+        return maY[0];
+    else if (sal_uInt32(nIndex0)>=maY.size() || nIndex1>=maY.size())
+        return maY[maY.size()-1];
+
+    const double nU ((nX-nX1) / (nX0 - nX1));
+    return maY[nIndex0]*nU + maY[nIndex1]*(1-nU);
+}
+
+
+} } } // end of namespace ::sd::slidesorter::controller