org.apache.poi.xslf.usermodel.TextFragment Maven / Gradle / Ivy
/*
* ====================================================================
* 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 java.awt.*;
import java.awt.font.TextLayout;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;
/**
* a renderable text fragment
*/
class TextFragment {
final TextLayout _layout;
final AttributedString _str;
TextFragment(TextLayout layout, AttributedString str){
_layout = layout;
_str = str;
}
void draw(Graphics2D graphics, double x, double y){
if(_str == null) {
return;
}
double yBaseline = y + _layout.getAscent();
Integer textMode = (Integer)graphics.getRenderingHint(XSLFRenderingHint.TEXT_RENDERING_MODE);
if(textMode != null && textMode == XSLFRenderingHint.TEXT_AS_SHAPES){
_layout.draw(graphics, (float)x, (float)yBaseline);
} else {
graphics.drawString(_str.getIterator(), (float)x, (float)yBaseline );
}
}
/**
* @return full height of this text run which is sum of ascent, descent and leading
*/
public float getHeight(){
double h = Math.ceil(_layout.getAscent()) + Math.ceil(_layout.getDescent()) + _layout.getLeading();
return (float)h;
}
/**
*
* @return width if this text run
*/
public float getWidth(){
return _layout.getAdvance();
}
/**
*
* @return the string to be painted
*/
public String getString(){
if(_str == null) return "";
AttributedCharacterIterator it = _str.getIterator();
StringBuffer buf = new StringBuffer();
for (char c = it.first(); c != it.DONE; c = it.next()) {
buf.append(c);
}
return buf.toString();
}
@Override
public String toString(){
return "[" + getClass().getSimpleName() + "] " + getString();
}
}