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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2014, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.ugraphic.html5;
import java.util.ArrayList;
import java.util.List;
import net.sourceforge.plantuml.eps.EpsGraphics;
public class Html5Drawer {
private int maxX = 10;
private int maxY = 10;
private String strokeStyle = "black";
private String fillStyle = "black";
private List<String> data = new ArrayList<String>();
final protected void ensureVisible(double x, double y) {
if (x > maxX) {
maxX = (int) (x + 1);
}
if (y > maxY) {
maxY = (int) (y + 1);
}
}
private static String format(double x) {
return EpsGraphics.format(x);
}
public final void setStrokeColor(String stroke) {
this.strokeStyle = stroke;
}
public final void setFillColor(String fill) {
this.fillStyle = fill;
}
public String generateHtmlCode() {
final StringBuilder sb = new StringBuilder();
ap(sb, "<html>");
ap(sb, "<canvas id=\"demo\" width=\"700\" height=\"350\">");
ap(sb, "</canvas>");
ap(sb, "</html>");
ap(sb, "<script>");
ap(sb, "window.addEventListener('load', function () {");
ap(sb, "var elem = document.getElementById('demo');");
ap(sb, "if (!elem || !elem.getContext) { return;}");
ap(sb, "var ctx = elem.getContext('2d');");
ap(sb, "if (!ctx) { return;}");
// ap(sb, "ctx.fillStyle = 'green';");
// ap(sb, "ctx.fillRect(30, 30, 55, 50);");
for (String s : data) {
ap(sb, s);
}
ap(sb, "}, false);");
ap(sb, "</script>");
ap(sb, "</html>");
return sb.toString();
}
private void ap(StringBuilder sb, String s) {
sb.append(s);
sb.append('\n');
}
public void htmlRectangle(double x, double y, double width, double height, double rx, double ry) {
ensureVisible(x, y);
ensureVisible(x + width, y + height);
// if (fillcolor != null) {
// appendColor(fillcolor);
// epsRectangleInternal(x, y, width, height, rx, ry, true);
// append("closepath eofill", true);
// }
//
// if (color != null) {
// append(strokeWidth + " setlinewidth", true);
// appendColor(color);
// epsRectangleInternal(x, y, width, height, rx, ry, false);
// append("closepath stroke", true);
// }
data.add("//RECT");
data.add("ctx.strokeStyle='" + strokeStyle + "';");
data.add("ctx.fillStyle='" + fillStyle + "';");
data.add("ctx.rect(" + format(x) + "," + format(y) + "," + format(width) + "," + format(height) + ");");
data.add("ctx.fill();");
data.add("ctx.stroke();");
}
public void htmlLine(double x1, double y1, double x2, double y2, double deltaShadow) {
ensureVisible(x1 + 2 * deltaShadow, y1 + 2 * deltaShadow);
ensureVisible(x2 + 2 * deltaShadow, y2 + 2 * deltaShadow);
data.add("ctx.strokeStyle='" + strokeStyle + "';");
data.add("ctx.beginPath();");
data.add("ctx.moveTo(" + format(x1) + "," + format(y1) + ");");
data.add("ctx.lineTo(" + format(x2) + "," + format(y2) + ");");
data.add("ctx.stroke();");
data.add("ctx.closePath();");
}
}
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