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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
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package net.sourceforge.plantuml.anim;
import java.awt.geom.AffineTransform;
import java.util.Objects;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.klimt.geom.MinMax;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
public class AffineTransformation {
// ::remove folder when __HAXE__
// ::remove folder when __CORE__
static private final Pattern rotate = Pattern.compile("rotate\\s+(-?\\d+\\.?\\d*)");
static private final Pattern shear = Pattern.compile("shear\\s+(-?\\d+\\.?\\d*)\\s+(-?\\d+\\.?\\d*)");
static private final Pattern translate = Pattern.compile("translate\\s+(-?\\d+\\.?\\d*)\\s+(-?\\d+\\.?\\d*)");
static private final Pattern scale = Pattern.compile("scale\\s+(-?\\d+\\.?\\d*)\\s+(-?\\d+\\.?\\d*)");
static private final Pattern color = Pattern.compile("color\\s+.*");
private final AffineTransform affineTransform;
private XDimension2D dimension;
private AffineTransformation(AffineTransform affineTransform) {
this.affineTransform = Objects.requireNonNull(affineTransform);
}
private AffineTransformation compose(AffineTransformation other) {
final AffineTransform tmp = new AffineTransform(this.affineTransform);
tmp.concatenate(other.affineTransform);
return new AffineTransformation(tmp);
}
public static AffineTransformation from(AffineTransform affineTransform) {
return new AffineTransformation(affineTransform);
}
static AffineTransformation create(String value) {
final StringTokenizer st = new StringTokenizer(value, "|");
AffineTransformation result = null;
while (st.hasMoreTokens()) {
final String s = st.nextToken();
final AffineTransformation tmp = createSimple(s);
if (tmp != null) {
if (result == null) {
result = tmp;
} else {
result = result.compose(tmp);
}
}
}
return result;
}
private static AffineTransformation createSimple(String value) {
Matcher m = rotate.matcher(StringUtils.trin(value));
if (m.find()) {
final double angle = Double.parseDouble(m.group(1));
return new AffineTransformation(AffineTransform.getRotateInstance(angle * Math.PI / 180.0));
}
m = shear.matcher(value);
if (m.find()) {
final double shx = Double.parseDouble(m.group(1));
final double shy = Double.parseDouble(m.group(2));
return new AffineTransformation(AffineTransform.getShearInstance(shx, shy));
}
m = translate.matcher(value);
if (m.find()) {
final double tx = Double.parseDouble(m.group(1));
final double ty = Double.parseDouble(m.group(2));
return new AffineTransformation(AffineTransform.getTranslateInstance(tx, ty));
}
m = scale.matcher(value);
if (m.find()) {
final double scalex = Double.parseDouble(m.group(1));
final double scaley = Double.parseDouble(m.group(2));
return new AffineTransformation(AffineTransform.getScaleInstance(scalex, scaley));
}
m = color.matcher(value);
if (m.find()) {
return new AffineTransformation(new AffineTransform());
}
return null;
}
public final AffineTransform getAffineTransform() {
return getAffineTransform(dimension);
}
private AffineTransform getAffineTransform(XDimension2D dimension) {
if (dimension == null) {
throw new IllegalStateException();
}
final AffineTransform at = AffineTransform.getTranslateInstance(dimension.getWidth() / 2,
dimension.getHeight() / 2);
at.concatenate(affineTransform);
at.translate(-dimension.getWidth() / 2, -dimension.getHeight() / 2);
return at;
}
public void setDimension(XDimension2D dim) {
this.dimension = dim;
}
public MinMax getMinMax(XDimension2D rect) {
MinMax result = MinMax.getEmpty(false);
final AffineTransform tmp = getAffineTransform(rect);
result = result.addPoint(new XPoint2D(0, 0).transform(tmp));
result = result.addPoint(new XPoint2D(0, rect.getHeight()).transform(tmp));
result = result.addPoint(new XPoint2D(rect.getWidth(), 0).transform(tmp));
result = result.addPoint(new XPoint2D(rect.getWidth(), rect.getHeight()).transform(tmp));
return result;
}
}