net.sourceforge.plantuml.klimt.shape.UHorizontalLine Maven / Gradle / Ivy
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package net.sourceforge.plantuml.klimt.shape;
import net.sourceforge.plantuml.klimt.UShape;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.creole.Stencil;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
public class UHorizontalLine implements UShape {
// ::remove file when __HAXE__
private final double skipAtStart;
private final double skipAtEnd;
private final TextBlock title;
private final boolean blankTitle;
private final char style;
private final double defaultThickness;
private UHorizontalLine(double defaultThickness, double skipAtStart, double skipAtEnd, TextBlock title,
boolean blankTitle, char style) {
this.defaultThickness = defaultThickness;
this.skipAtEnd = skipAtEnd;
this.skipAtStart = skipAtStart;
this.title = title;
this.blankTitle = blankTitle;
this.style = style;
}
public static UHorizontalLine infinite(double defaultThickness, double skipAtStart, double skipAtEnd, char style) {
return new UHorizontalLine(defaultThickness, skipAtStart, skipAtEnd, null, false, style);
}
public static UHorizontalLine infinite(double defaultThickness, double skipAtStart, double skipAtEnd,
TextBlock title, char style) {
return new UHorizontalLine(defaultThickness, skipAtStart, skipAtEnd, title, false, style);
}
public boolean isDouble() {
return style == '=';
}
// static public UHorizontalLine infinite(UStroke stroke) {
// return new UHorizontalLine(0, 0, null, false, stroke);
// }
public void drawLineInternal(final UGraphic ug, Stencil stencil, double y, UStroke defaultStroke) {
stencil = addSkip(stencil);
final UStroke strokeToUse = style == '\0' ? defaultStroke : getStroke();
final UGraphic ugStroke = ug.apply(strokeToUse);
if (title == null) {
drawHLine(stencil, y, ugStroke);
return;
}
final XDimension2D dimTitle = title.calculateDimension(ug.getStringBounder());
drawHLine(firstHalf(stencil, dimTitle.getWidth()), y, ugStroke);
final double startingX = stencil.getStartingX(ug.getStringBounder(), y);
final double endingX = stencil.getEndingX(ug.getStringBounder(), y);
drawTitleInternal(ug, startingX, endingX, y, false);
drawHLine(secondHalf(stencil, dimTitle.getWidth()), y, ugStroke);
}
private Stencil addSkip(final Stencil stencil) {
return new Stencil() {
public double getStartingX(StringBounder stringBounder, double y) {
return stencil.getStartingX(stringBounder, y) + skipAtStart;
}
public double getEndingX(StringBounder stringBounder, double y) {
return stencil.getEndingX(stringBounder, y) - skipAtEnd;
}
};
}
private static Stencil firstHalf(final Stencil stencil, final double widthTitle) {
return new Stencil() {
public double getStartingX(StringBounder stringBounder, double y) {
return stencil.getStartingX(stringBounder, y);
}
public double getEndingX(StringBounder stringBounder, double y) {
final double start = stencil.getStartingX(stringBounder, y);
final double end = stencil.getEndingX(stringBounder, y);
final double len = (end - start - widthTitle) / 2;
return start + len;
}
};
}
private static Stencil secondHalf(final Stencil stencil, final double widthTitle) {
return new Stencil() {
public double getStartingX(StringBounder stringBounder, double y) {
final double start = stencil.getStartingX(stringBounder, y);
final double end = stencil.getEndingX(stringBounder, y);
final double len = (end - start - widthTitle) / 2;
return end - len;
}
public double getEndingX(StringBounder stringBounder, double y) {
return stencil.getEndingX(stringBounder, y);
}
};
}
private void drawHLine(Stencil stencil, double y, final UGraphic ug) {
drawSimpleHline(ug, stencil, y);
if (style == '=')
drawSimpleHline(ug, stencil, y + 2);
}
private static void drawSimpleHline(UGraphic ug, Stencil stencil, double y) {
final double startingX = stencil.getStartingX(ug.getStringBounder(), y);
final double endingX = stencil.getEndingX(ug.getStringBounder(), y);
ug.apply(new UTranslate(startingX, y)).draw(ULine.hline(endingX - startingX));
}
public void drawTitleInternal(UGraphic ug, double startingX, double endingX, double y, boolean clearArea) {
if (title == null || blankTitle) {
return;
}
final double widthToUse = endingX - startingX;
final XDimension2D dimTitle = title.calculateDimension(ug.getStringBounder());
final double space = (widthToUse - dimTitle.getWidth()) / 2;
final double x1 = startingX + space;
final double y1 = y - dimTitle.getHeight() / 2 - 0.5;
ug = ug.apply(new UTranslate(x1, y1));
if (clearArea) {
ug.apply(getStroke()).draw(URectangle.build(dimTitle));
}
title.drawU(ug);
}
public void drawMe(UGraphic ug) {
ug.draw(this);
}
public UStroke getStroke() {
if (style == '\0')
throw new IllegalStateException();
else if (style == '=')
return UStroke.simple();
else if (style == '.')
return new UStroke(1, 2, 1);
else if (style == '-')
return UStroke.simple();
else
return UStroke.withThickness(defaultThickness);
}
}
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