GCOperation.java

/*******************************************************************************
 * Copyright (c) 2010 EclipseSource and others. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.swt.internal.graphics;

import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;

public abstract class GCOperation {

  public static final class SetProperty extends GCOperation {

    public static final int FOREGROUND = 0;
    public static final int BACKGROUND = 1;
    public static final int ALPHA = 2;
    public static final int LINE_WIDTH = 3;
    public static final int LINE_CAP = 4;
    public static final int LINE_JOIN = 5;

    public final int id;
    public final Object value;

    public SetProperty( final int id, final Object value ) {
      this.id = id;
      this.value = value;
    }
  }

  public static final class SetFont extends GCOperation {

    public final Font font;

    public SetFont( final Font font ) {
      this.font = font;
    }
  }

  public static final class DrawLine extends GCOperation {

    public final int x1;
    public final int y1;
    public final int x2;
    public final int y2;

    public DrawLine( final int x1, final int y1, final int x2, final int y2 ) {
      this.x1 = x1;
      this.y1 = y1;
      this.x2 = x2;
      this.y2 = y2;
    }
  }

  public static final class DrawPoint extends GCOperation {

    public final int x;
    public final int y;

    public DrawPoint( final int x, final int y ) {
      this.x = x;
      this.y = y;
    }
  }

  public static class DrawRectangle extends GCOperation {

    public final int x;
    public final int y;
    public final int width;
    public final int height;
    public final boolean fill;

    public DrawRectangle( final int x,
                          final int y,
                          final int width,
                          final int height,
                          final boolean fill )
    {
      this.x = x;
      this.y = y;
      this.width = width;
      this.height = height;
      this.fill = fill;
    }
  }

  public static final class DrawRoundRectangle extends DrawRectangle {

    public final int arcWidth;
    public final int arcHeight;

    public DrawRoundRectangle( final int x,
                               final int y,
                               final int width,
                               final int height,
                               final int arcWidth,
                               final int arcHeight,
                               final boolean fill )
    {
      super( x, y, width, height, fill );
      this.arcWidth = arcWidth;
      this.arcHeight = arcHeight;
    }
  }

  public static final class FillGradientRectangle extends DrawRectangle {

    public final boolean vertical;

    public FillGradientRectangle( final int x,
                                  final int y,
                                  final int width,
                                  final int height,
                                  final boolean vertical )
    {
      super( x, y, width, height, true );
      this.vertical = vertical;
    }
  }

  public static final class DrawArc extends GCOperation {

    public final int x;
    public final int y;
    public final int width;
    public final int height;
    public final int startAngle;
    public final int arcAngle;
    public final boolean fill;

    public DrawArc( final int x,
                    final int y,
                    final int width,
                    final int height,
                    final int startAngle,
                    final int arcAngle,
                    final boolean fill )
    {
      this.x = x;
      this.y = y;
      this.width = width;
      this.height = height;
      this.startAngle = startAngle;
      this.arcAngle = arcAngle;
      this.fill = fill;
    }
  }

  public static final class DrawPolyline extends GCOperation {

    public final int[] points;
    public final boolean close;
    public final boolean fill;

    public DrawPolyline( final int[] points,
                         final boolean close,
                         final boolean fill )
    {
      this.points = new int[ points.length ];
      System.arraycopy( points, 0, this.points, 0, points.length );
      this.close = close;
      this.fill = fill;
    }
  }

  public static final class DrawImage extends GCOperation {

    public final Image image;
    public final int srcX;
    public final int srcY;
    public final int srcWidth;
    public final int srcHeight;
    public final int destX;
    public final int destY;
    public final int destWidth;
    public final int destHeight;
    public final boolean simple;

    public DrawImage( final Image image,
                      final int srcX,
                      final int srcY,
                      final int srcWidth,
                      final int srcHeight,
                      final int destX,
                      final int destY,
                      final int destWidth,
                      final int destHeight,
                      final boolean simple )
    {
      this.image = image;
      this.srcX = srcX;
      this.srcY = srcY;
      this.srcWidth = srcWidth;
      this.srcHeight = srcHeight;
      this.destX = destX;
      this.destY = destY;
      this.destWidth = destWidth;
      this.destHeight = destHeight;
      this.simple = simple;
    }
  }

  public static final class DrawText extends GCOperation {

    public final String text;
    public final int x;
    public final int y;
    public final int flags;

    public DrawText( final String text,
                     final int x,
                     final int y,
                     final int flags )
    {
      this.text = text;
      this.x = x;
      this.y = y;
      this.flags = flags;
    }
  }
}