DXFImageHandler.java

/*******************************************************************************
 * Copyright 2010 Simon Mieth
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package org.kabeja.dxf.parser.entities;

import org.kabeja.dxf.parser.DXFValue;
import org.kabeja.entities.Entity;
import org.kabeja.entities.Image;
import org.kabeja.entities.util.Utils;
import org.kabeja.math.Point3D;
import org.kabeja.util.Constants;


/**
 * @author <a href="mailto:simon.mieth@gmx.de">Simon Mieth</a>
 *
 */
public class DXFImageHandler extends AbstractEntityHandler {
    public final static int GROUPCODE_IMAGEDEF_HARDREFERENCE = 340;
    public final static int GROUPCODE_VECTOR_U_X = 11;
    public final static int GROUPCODE_VECTOR_U_Y = 21;
    public final static int GROUPCODE_VECTOR_U_Z = 31;
    public final static int GROUPCODE_VECTOR_V_X = 12;
    public final static int GROUPCODE_VECTOR_V_Y = 22;
    public final static int GROUPCODE_VECTOR_V_Z = 32;
    public final static int GROUPCODE_IAMGESIZE_U = 13;
    public final static int GROUPCODE_IAMGESIZE_V = 23;
    public final static int GROUPCODE_DISPLAY_PROPERTY = 70;
    public final static int GROUPCODE_BRIGHTNESS = 281;
    public final static int GROUPCODE_CONTRAST = 282;
    public final static int GROUPCODE_FADE = 283;
    public final static int GROUPCODE_NUMBER_CLIP_BOUNDARY = 91;
    public final static int GROUPCODE_CLIP_BOUNDARY_X = 14;
    public final static int GROUPCODE_CLIP_BOUNDARY_Y = 24;
    public final static int GROUPCODE_CLIP_BOUNDARY_TYPE = 71;
    public final static int GROUPCODE_CLIPPING_STATE = 280;
    protected Image image;
    protected Point3D clippingPoint;


    public String getDXFEntityType() {
        return Constants.ENTITY_TYPE_IMAGE;
    }


    public void endDXFEntity() {
    }


    public Entity getDXFEntity() {
        return image;
    }


    public boolean isFollowSequence() {
        return false;
    }


    public void parseGroup(int groupCode, DXFValue value) {
        switch (groupCode) {
        case GROUPCODE_START_X:
            image.getInsertPoint().setX(value.getDoubleValue());

            break;

        case GROUPCODE_START_Y:
            image.getInsertPoint().setY(value.getDoubleValue());

            break;

        case GROUPCODE_START_Z:
            image.getInsertPoint().setZ(value.getDoubleValue());

            break;

        case GROUPCODE_IMAGEDEF_HARDREFERENCE:
            image.setImageDefObjectID(Utils.parseIDString(value.getValue()));

            break;

        case GROUPCODE_VECTOR_U_X:
            image.getVectorU().setX(value.getDoubleValue());

            break;

        case GROUPCODE_VECTOR_U_Y:
            image.getVectorU().setY(value.getDoubleValue());

            break;

        case GROUPCODE_VECTOR_U_Z:
            image.getVectorU().setZ(value.getDoubleValue());

            break;

        case GROUPCODE_VECTOR_V_X:
            image.getVectorV().setX(value.getDoubleValue());

            break;

        case GROUPCODE_VECTOR_V_Y:
            image.getVectorV().setY(value.getDoubleValue());

            break;

        case GROUPCODE_VECTOR_V_Z:
            image.getVectorV().setZ(value.getDoubleValue());

            break;

        case GROUPCODE_IAMGESIZE_U:
            image.setImageSizeAlongU(value.getDoubleValue());

            break;

        case GROUPCODE_IAMGESIZE_V:
            image.setImageSizeAlongV(value.getDoubleValue());

            break;

        case GROUPCODE_CLIPPING_STATE:
            image.setClipping(value.getBooleanValue());

            break;

        case GROUPCODE_CLIP_BOUNDARY_X:
            clippingPoint = new Point3D();
            clippingPoint.setX(value.getDoubleValue());
            image.addClippingPoint(clippingPoint);

            break;

        case GROUPCODE_CLIP_BOUNDARY_Y:
            clippingPoint.setY(value.getDoubleValue());

            break;

        case GROUPCODE_BRIGHTNESS:
            image.setBrightness(value.getDoubleValue());

            break;

        case GROUPCODE_CONTRAST:
            image.setContrast(value.getDoubleValue());

            break;

        case GROUPCODE_FADE:
            image.setFade(value.getDoubleValue());

            break;

        case GROUPCODE_CLIP_BOUNDARY_TYPE:

            if (value.getIntegerValue() == 1) {
                image.setRectangularClipping(true);
            } else if (value.getIntegerValue() == 2) {
                image.setPolygonalClipping(true);
            }

            break;

        default:
            super.parseCommonProperty(groupCode, value, image);
        }
    }


    public void startDXFEntity() {
        image = new Image();
        image.setDocument(doc);
    }
}