72 lines
2.3 KiB
C#
72 lines
2.3 KiB
C#
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/**
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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namespace Facebook.CSSLayout
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{
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/**
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* Where the output of {@link LayoutEngine#layoutNode(CSSNode, float)} will go in the CSSNode.
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*/
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class CSSLayout
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{
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public const int POSITION_LEFT = 0;
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public const int POSITION_TOP = 1;
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public const int POSITION_RIGHT = 2;
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public const int POSITION_BOTTOM = 3;
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public const int DIMENSION_WIDTH = 0;
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public const int DIMENSION_HEIGHT = 1;
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public float[] position = new float[4];
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public float[] dimensions = new float[2];
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public CSSDirection direction = CSSDirection.LTR;
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/**
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* This should always get called before calling {@link LayoutEngine#layoutNode(CSSNode, float)}
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*/
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public void resetResult()
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{
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FillArray(position, 0);
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FillArray(dimensions, CSSConstants.Undefined);
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direction = CSSDirection.LTR;
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}
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public void copy(CSSLayout layout)
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{
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position[POSITION_LEFT] = layout.position[POSITION_LEFT];
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position[POSITION_TOP] = layout.position[POSITION_TOP];
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position[POSITION_RIGHT] = layout.position[POSITION_RIGHT];
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position[POSITION_BOTTOM] = layout.position[POSITION_BOTTOM];
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dimensions[DIMENSION_WIDTH] = layout.dimensions[DIMENSION_WIDTH];
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dimensions[DIMENSION_HEIGHT] = layout.dimensions[DIMENSION_HEIGHT];
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direction = layout.direction;
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}
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public override string ToString()
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{
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return "layout: {" +
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"left: " + position[POSITION_LEFT] + ", " +
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"top: " + position[POSITION_TOP] + ", " +
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"width: " + dimensions[DIMENSION_WIDTH] + ", " +
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"height: " + dimensions[DIMENSION_HEIGHT] + ", " +
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"direction: " + direction +
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"}";
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}
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static void FillArray<T>(T[] array, T value)
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{
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for (var i = 0; i != array.Length; ++i)
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array[i] = value;
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}
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}
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}
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