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110 lines
3.6 KiB
110 lines
3.6 KiB
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <animation/SAnimation.h>
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namespace SOUI {
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/**
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* An animation that controls the rotation of an object. This rotation takes
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* place in the X-Y plane. You can specify the point to use for the center of
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* the rotation, where (0,0) is the top left point. If not specified, (0,0) is
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* the default rotation point.
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*
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*/
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class SOUI_EXP SRotateAnimation : public SAnimation {
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SOUI_CLASS_NAME(SRotateAnimation, L"rotate")
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private:
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float mFromDegrees;
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float mToDegrees;
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ValueType mPivotXType;
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ValueType mPivotYType;
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float mPivotXValue;
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float mPivotYValue;
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float mPivotX;
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float mPivotY;
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public:
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/**
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* Constructor to use when building a RotateAnimation from code.
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* Default pivotX/pivotY point is (0,0).
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*
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* @param fromDegrees Rotation offset to apply at the start of the
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* animation.
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*
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* @param toDegrees Rotation offset to apply at the end of the animation.
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*/
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SRotateAnimation();
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void init(float fromDegrees, float toDegrees, float pivotX=0.0f, float pivotY=0.0f);
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/**
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* Constructor to use when building a RotateAnimation from code
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*
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* @param fromDegrees Rotation offset to apply at the start of the
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* animation.
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*
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* @param toDegrees Rotation offset to apply at the end of the animation.
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*
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* @param pivotXType Specifies how pivotXValue should be interpreted. One of
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* Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
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* Animation.RELATIVE_TO_PARENT.
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* @param pivotXValue The X coordinate of the point about which the object
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* is being rotated, specified as an absolute number where 0 is the
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* left edge. This value can either be an absolute number if
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* pivotXType is ABSOLUTE, or a percentage (where 1.0 is 100%)
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* otherwise.
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* @param pivotYType Specifies how pivotYValue should be interpreted. One of
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* Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
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* Animation.RELATIVE_TO_PARENT.
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* @param pivotYValue The Y coordinate of the point about which the object
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* is being rotated, specified as an absolute number where 0 is the
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* top edge. This value can either be an absolute number if
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* pivotYType is ABSOLUTE, or a percentage (where 1.0 is 100%)
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* otherwise.
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*/
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void init(float fromDegrees, float toDegrees, ValueType pivotXType, float pivotXValue,
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ValueType pivotYType, float pivotYValue);
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void initialize(int width, int height, int parentWidth, int parentHeight);
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/**
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* Called at the end of constructor methods to initialize, if possible, values for
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* the pivot point. This is only possible for ABSOLUTE pivot values.
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*/
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private:
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void initializePivotPoint();
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protected:
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void applyTransformation(float interpolatedTime, STransformation & t);
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virtual void copy(const IAnimation *src);
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public:
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SOUI_ATTRS_BEGIN()
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ATTR_FLOAT(L"fromDegrees", mFromDegrees, FALSE)
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ATTR_FLOAT(L"toDegrees", mToDegrees, FALSE)
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ATTR_VALUE_DESC(L"pivotX", mPivotXType, mPivotXValue)
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ATTR_VALUE_DESC(L"pivotY", mPivotYType, mPivotYValue)
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SOUI_ATTRS_END()
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};
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} |