org.cobraparser.html.style.HtmlInsets Maven / Gradle / Ivy

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Cobra is the rendering engine designed for LoboBrowser
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/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The XAMJ Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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 for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: [email protected]
 */
package org.cobraparser.html.style;

import java.awt.Insets;

public class HtmlInsets {
  public static final int TYPE_UNDEFINED = 0;
  public static final int TYPE_PIXELS = 1;
  public static final int TYPE_AUTO = 2;
  public static final int TYPE_PERCENT = 3;

  public int top, bottom, left, right;

  /* Types assumed to be initialized as UNDEFINED */
  public int topType, bottomType, leftType, rightType;

  public HtmlInsets() {
  }

  public HtmlInsets(int top, int left, int bottom, int right, int type) {
    this.top = top;
    this.left = left;
    this.bottom = bottom;
    this.right = right;
    this.topType = type;
    this.leftType = type;
    this.bottomType = type;
    this.rightType = type;
  }

  public int getTop() {
    return top;
  }

  public void setTop(final int top) {
    this.top = top;
  }

  public int getBottom() {
    return bottom;
  }

  public void setBottom(final int bottom) {
    this.bottom = bottom;
  }

  public int getLeft() {
    return left;
  }

  public void setLeft(final int left) {
    this.left = left;
  }

  public int getRight() {
    return right;
  }

  public void setRight(final int right) {
    this.right = right;
  }

  public int getTopType() {
    return topType;
  }

  public void setTopType(final int topType) {
    this.topType = topType;
  }

  public int getBottomType() {
    return bottomType;
  }

  public void setBottomType(final int bottomType) {
    this.bottomType = bottomType;
  }

  public int getLeftType() {
    return leftType;
  }

  public void setLeftType(final int leftType) {
    this.leftType = leftType;
  }

  public int getRightType() {
    return rightType;
  }

  public void setRightType(final int rightType) {
    this.rightType = rightType;
  }

  public Insets getAWTInsets(final int defaultTop, final int defaultLeft, final int defaultBottom, final int defaultRight,
      final int availWidth,
      final int availHeight, final int autoX, final int autoY) {
    final int top = getInsetPixels(this.top, this.topType, defaultTop, availHeight, autoY);
    final int left = getInsetPixels(this.left, this.leftType, defaultLeft, availWidth, autoX);
    final int bottom = getInsetPixels(this.bottom, this.bottomType, defaultBottom, availHeight, autoY);
    final int right = getInsetPixels(this.right, this.rightType, defaultRight, availWidth, autoX);
    return new Insets(top, left, bottom, right);
  }

  public Insets getSimpleAWTInsets(final int availWidth, final int availHeight) {
    final int top = getInsetPixels(this.top, this.topType, 0, availHeight, 0);
    final int left = getInsetPixels(this.left, this.leftType, 0, availWidth, 0);
    final int bottom = getInsetPixels(this.bottom, this.bottomType, 0, availHeight, 0);
    final int right = getInsetPixels(this.right, this.rightType, 0, availWidth, 0);
    return new Insets(top, left, bottom, right);
  }

  private static int getInsetPixels(final int value, final int type, final int defaultValue, final int availSize, final int autoValue) {
    if (type == TYPE_PIXELS) {
      return value;
    } else if (type == TYPE_UNDEFINED) {
      return defaultValue;
    } else if (type == TYPE_AUTO) {
      return autoValue;
    } else if (type == TYPE_PERCENT) {
      return (availSize * value) / 100;
    } else {
      throw new IllegalStateException();
    }
  }

  @Override
  public String toString() {
    return "[" + this.top + "," + this.left + "," + this.bottom + "," + this.right + "]";
  }
}