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plantuml/src/net/sourceforge/plantuml/graphic/TextBlockUtils.java

288 lines
9.6 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.graphic;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.font.FontRenderContext;
import java.awt.font.LineMetrics;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import net.sourceforge.plantuml.ColorParam;
import net.sourceforge.plantuml.CornerParam;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.LineParam;
import net.sourceforge.plantuml.UseStyle;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.posimo.Positionable;
import net.sourceforge.plantuml.posimo.PositionableImpl;
import net.sourceforge.plantuml.skin.rose.Rose;
import net.sourceforge.plantuml.style.ClockwiseTopRightBottomLeft;
import net.sourceforge.plantuml.svek.TextBlockBackcolored;
import net.sourceforge.plantuml.ugraphic.LimitFinder;
import net.sourceforge.plantuml.ugraphic.MinMax;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UImage;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
public class TextBlockUtils {
public static final TextBlock EMPTY_TEXT_BLOCK = TextBlockUtils.empty(0, 0);
public static TextBlock bordered(TextBlock textBlock, UStroke stroke, HColor borderColor, HColor backgroundColor,
double cornersize) {
return new TextBlockBordered(textBlock, stroke, borderColor, backgroundColor, cornersize);
}
public static TextBlock bordered(TextBlock textBlock, UStroke stroke, HColor borderColor, HColor backgroundColor,
double cornersize, double marginX, double marginY) {
return new TextBlockBordered(textBlock, stroke, borderColor, backgroundColor, cornersize, marginX, marginY);
}
public static TextBlock bordered(TextBlock textBlock, UStroke stroke, HColor borderColor, HColor backgroundColor,
double cornersize, ClockwiseTopRightBottomLeft margins) {
return new TextBlockBordered(textBlock, stroke, borderColor, backgroundColor, cornersize, margins);
}
public static TextBlock title(FontConfiguration font, Display stringsToDisplay, ISkinParam skinParam) {
if (UseStyle.useBetaStyle()) {
throw new UnsupportedOperationException();
}
UStroke stroke = skinParam.getThickness(LineParam.titleBorder, null);
final Rose rose = new Rose();
HColor borderColor = rose.getHtmlColor(skinParam, ColorParam.titleBorder);
final HColor backgroundColor = rose.getHtmlColor(skinParam, ColorParam.titleBackground);
final TextBlockTitle result = new TextBlockTitle(font, stringsToDisplay, skinParam);
if (stroke == null && borderColor == null) {
return result;
}
if (stroke == null) {
stroke = new UStroke(1.5);
}
if (borderColor == null) {
borderColor = HColorUtils.BLACK;
}
final double corner = skinParam.getRoundCorner(CornerParam.titleBorder, null);
return withMargin(bordered(result, stroke, borderColor, backgroundColor, corner), 2, 2);
}
public static TextBlock withMargin(TextBlock textBlock, double marginX, double marginY) {
if (marginX == 0 && marginY == 0) {
return textBlock;
}
return new TextBlockMarged(textBlock, marginY, marginX, marginY, marginX);
}
public static TextBlock withMargin(TextBlock textBlock, ClockwiseTopRightBottomLeft margins) {
return new TextBlockMarged(textBlock, margins);
}
public static TextBlock withMargin(TextBlock textBlock, double marginX1, double marginX2, double marginY1,
double marginY2) {
return new TextBlockMarged(textBlock, marginY1, marginX2, marginY2, marginX1);
}
public static TextBlock withMinWidth(TextBlock textBlock, double minWidth,
HorizontalAlignment horizontalAlignment) {
return new TextBlockMinWidth(textBlock, minWidth, horizontalAlignment);
}
public static TextBlock empty(final double width, final double height) {
return new AbstractTextBlock() {
public void drawU(UGraphic ug) {
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return new Dimension2DDouble(width, height);
}
public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
return null;
}
};
}
public static Positionable asPositionable(TextBlock textBlock, StringBounder stringBounder, Point2D pt) {
return new PositionableImpl(pt, textBlock.calculateDimension(stringBounder));
}
public static Positionable asPositionable(Dimension2D dim, StringBounder stringBounder, Point2D pt) {
return new PositionableImpl(pt, dim);
}
public static TextBlock mergeLR(TextBlock b1, TextBlock b2, VerticalAlignment verticallAlignment) {
if (b1 == EMPTY_TEXT_BLOCK) {
return b2;
}
if (b2 == EMPTY_TEXT_BLOCK) {
return b1;
}
return new TextBlockHorizontal(b1, b2, verticallAlignment);
}
public static TextBlock mergeTB(TextBlock b1, TextBlock b2, HorizontalAlignment horizontalAlignment) {
if (b1 == EMPTY_TEXT_BLOCK) {
return b2;
}
if (b2 == EMPTY_TEXT_BLOCK) {
return b1;
}
return new TextBlockVertical2(b1, b2, horizontalAlignment);
}
public static TextBlock mergeTB(TextBlock b1, UImage image, HorizontalAlignment horizontalAlignment) {
if (b1 == EMPTY_TEXT_BLOCK) {
throw new IllegalArgumentException();
}
return new TextBlockVertical2(b1, image, horizontalAlignment);
}
// public static TextBlockBackcolored mergeColoredTB(TextBlockBackcolored b1,
// TextBlockBackcolored b2,
// HorizontalAlignment horizontalAlignment) {
// return addBackcolor(mergeTB(b1, b2, horizontalAlignment), b1.getBackcolor());
// }
public static MinMax getMinMax(UDrawable tb, StringBounder stringBounder, boolean initToZero) {
final LimitFinder limitFinder = new LimitFinder(stringBounder, initToZero);
tb.drawU(limitFinder);
return limitFinder.getMinMax();
}
public static boolean isEmpty(TextBlock text, StringBounder dummyStringBounder) {
if (text == null) {
return true;
}
final Dimension2D dim = text.calculateDimension(dummyStringBounder);
return dim.getHeight() == 0 && dim.getWidth() == 0;
}
public static FontRenderContext getFontRenderContext() {
return FileFormat.gg.getFontRenderContext();
}
public static LineMetrics getLineMetrics(UFont font, String text) {
return font.getLineMetrics(FileFormat.gg, text);
}
public static FontMetrics getFontMetrics(Font font) {
return FileFormat.gg.getFontMetrics(font);
}
public static TextBlock fullInnerPosition(final TextBlock bloc, final String display) {
return new TextBlock() {
public void drawU(UGraphic ug) {
bloc.drawU(ug);
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return bloc.calculateDimension(stringBounder);
}
public MinMax getMinMax(StringBounder stringBounder) {
return bloc.getMinMax(stringBounder);
}
public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
if (strategy.check(display, member)) {
final Dimension2D dim = calculateDimension(stringBounder);
return new Rectangle2D.Double(0, 0, dim.getWidth(), dim.getHeight());
}
return null;
}
};
}
public static TextBlockBackcolored addBackcolor(final TextBlock text, final HColor backColor) {
return new TextBlockBackcolored() {
public void drawU(UGraphic ug) {
text.drawU(ug);
}
public MinMax getMinMax(StringBounder stringBounder) {
return text.getMinMax(stringBounder);
}
public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
return text.getInnerPosition(member, stringBounder, strategy);
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return text.calculateDimension(stringBounder);
}
public HColor getBackcolor() {
return backColor;
}
};
}
public static TextBlock fromUImage(final UImage image) {
return new TextBlock() {
public void drawU(UGraphic ug) {
ug.draw(image);
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return new Dimension2DDouble(image.getWidth(), image.getHeight());
}
public MinMax getMinMax(StringBounder stringBounder) {
return MinMax.fromMax(image.getWidth(), image.getHeight());
}
public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
return null;
}
};
}
}