138 lines
4.4 KiB
Java
138 lines
4.4 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.xslf.usermodel;
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import org.apache.poi.util.Units;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTOuterShadowEffect;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTSchemeColor;
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.Shape;
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import java.awt.geom.Rectangle2D;
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/**
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* Represents a shadow of a shape. For now supports only outer shadows.
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*
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* @author Yegor Kozlov
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*/
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public class XSLFShadow extends XSLFSimpleShape {
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private XSLFSimpleShape _parent;
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/* package */XSLFShadow(CTOuterShadowEffect shape, XSLFSimpleShape parentShape) {
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super(shape, parentShape.getSheet());
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_parent = parentShape;
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}
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public void fill(Graphics2D graphics, Shape outline) {
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double shapeRotation = _parent.getRotation();
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if(_parent.getFlipVertical()){
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shapeRotation += 180;
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}
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double angle = getAngle() - shapeRotation;
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double dist = getDistance();
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double dx = dist * Math.cos(Math.toRadians(angle));
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double dy = dist * Math.sin(Math.toRadians(angle));
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graphics.translate(dx, dy);
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Color fillColor = getFillColor();
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if (fillColor != null) {
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graphics.setColor(fillColor);
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graphics.fill(outline);
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}
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graphics.translate(-dx, -dy);
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}
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public void draw(Graphics2D graphics, Shape outline) {
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double angle = getAngle();
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double dist = getDistance();
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double dx = dist * Math.cos(Math.toRadians(angle));
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double dy = dist * Math.sin(Math.toRadians(angle));
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graphics.translate(dx, dy);
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Color fillColor = getFillColor();
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if (fillColor != null) {
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graphics.setColor(fillColor);
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graphics.draw(outline);
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}
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graphics.translate(-dx, -dy);
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}
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@Override
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public Rectangle2D getAnchor(){
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return _parent.getAnchor();
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}
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@Override
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public void setAnchor(Rectangle2D anchor){
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throw new IllegalStateException("You can't set anchor of a shadow");
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}
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/**
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* @return the offset of this shadow in points
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*/
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public double getDistance(){
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CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
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return ct.isSetDist() ? Units.toPoints(ct.getDist()) : 0;
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}
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/**
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*
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* @return the direction to offset the shadow in angles
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*/
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public double getAngle(){
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CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
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return ct.isSetDir() ? (double)ct.getDir() / 60000 : 0;
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}
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/**
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*
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* @return the blur radius of the shadow
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* TODO: figure out how to make sense of this property when rendering shadows
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*/
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public double getBlur(){
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CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
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return ct.isSetBlurRad() ? Units.toPoints(ct.getBlurRad()) : 0;
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}
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/**
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* @return the color of this shadow.
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* Depending whether the parent shape is filled or stroked, this color is used to fill or stroke this shadow
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*/
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@Override
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public Color getFillColor() {
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XSLFTheme theme = getSheet().getTheme();
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CTOuterShadowEffect ct = (CTOuterShadowEffect)getXmlObject();
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if(ct == null) {
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return null;
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} else {
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CTSchemeColor phClr = ct.getSchemeClr();
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return new XSLFColor(ct, theme, phClr).getColor();
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}
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}
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} |