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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You 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.apache.poi.xslf.usermodel;
-
- import org.apache.poi.util.Units;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTOuterShadowEffect;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTSchemeColor;
-
- import java.awt.Color;
- import java.awt.Graphics2D;
- import java.awt.Shape;
- import java.awt.geom.Rectangle2D;
-
- /**
- * Represents a shadow of a shape. For now supports only outer shadows.
- *
- * @author Yegor Kozlov
- */
- public class XSLFShadow extends XSLFSimpleShape {
-
- private XSLFSimpleShape _parent;
-
- /* package */XSLFShadow(CTOuterShadowEffect shape, XSLFSimpleShape parentShape) {
- super(shape, parentShape.getSheet());
-
- _parent = parentShape;
- }
-
-
- public void fill(Graphics2D graphics, Shape outline) {
-
- double shapeRotation = _parent.getRotation();
- if(_parent.getFlipVertical()){
- shapeRotation += 180;
- }
- double angle = getAngle() - shapeRotation;
- double dist = getDistance();
- double dx = dist * Math.cos(Math.toRadians(angle));
- double dy = dist * Math.sin(Math.toRadians(angle));
-
- graphics.translate(dx, dy);
-
- Color fillColor = getFillColor();
- if (fillColor != null) {
- graphics.setColor(fillColor);
- graphics.fill(outline);
- }
-
- graphics.translate(-dx, -dy);
- }
-
- public void draw(Graphics2D graphics, Shape outline) {
-
- double angle = getAngle();
- double dist = getDistance();
- double dx = dist * Math.cos(Math.toRadians(angle));
- double dy = dist * Math.sin(Math.toRadians(angle));
-
- graphics.translate(dx, dy);
-
- Color fillColor = getFillColor();
- if (fillColor != null) {
- graphics.setColor(fillColor);
- graphics.draw(outline);
- }
-
- graphics.translate(-dx, -dy);
- }
-
-
- @Override
- public Rectangle2D getAnchor(){
- return _parent.getAnchor();
- }
-
- @Override
- public void setAnchor(Rectangle2D anchor){
- throw new IllegalStateException("You can't set anchor of a shadow");
- }
-
- /**
- * @return the offset of this shadow in points
- */
- public double getDistance(){
- CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
- return ct.isSetDist() ? Units.toPoints(ct.getDist()) : 0;
- }
-
- /**
- *
- * @return the direction to offset the shadow in angles
- */
- public double getAngle(){
- CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
- return ct.isSetDir() ? (double)ct.getDir() / 60000 : 0;
- }
-
- /**
- *
- * @return the blur radius of the shadow
- * TODO: figure out how to make sense of this property when rendering shadows
- */
- public double getBlur(){
- CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
- return ct.isSetBlurRad() ? Units.toPoints(ct.getBlurRad()) : 0;
- }
-
- /**
- * @return the color of this shadow.
- * Depending whether the parent shape is filled or stroked, this color is used to fill or stroke this shadow
- */
- @Override
- public Color getFillColor() {
- XSLFTheme theme = getSheet().getTheme();
- CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
- if(ct == null) {
- return null;
- } else {
- CTSchemeColor phClr = ct.getSchemeClr();
- return new XSLFColor(ct, theme, phClr).getColor();
- }
- }
- }
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