2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "linear-gradient.h"
29 LinearGradient::LinearGradient( const Vector2& startPosition, const Vector2& endPosition )
32 SetStartAndEndPosition( startPosition, endPosition );
35 LinearGradient::~LinearGradient()
38 void LinearGradient::SetStartAndEndPosition( const Vector2& startPosition, const Vector2& endPosition )
40 mStartPosition = startPosition;
41 mEndPosition = endPosition;
43 // Calculate the transform aligning to the gradient line
44 float dx = mEndPosition.x - mStartPosition.x;
45 float dy = mEndPosition.y - mStartPosition.y;
46 Matrix3 alignMatrix( dy, -dx, 0.f, dx, dy, 0.f, mStartPosition.x, mStartPosition.y, 1.f );
49 mAlignmentTransform = alignMatrix;
52 const Vector2& LinearGradient::GetStartPosition() const
54 return mStartPosition;
57 const Vector2& LinearGradient::GetEndPosition() const
62 } // namespace Internal
64 } // namespace Toolkit