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Open Source Chemistry Library
/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of the the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package com.actelion.research.jfx.gui;
import com.actelion.research.gui.generic.GenericPoint;
import com.actelion.research.share.gui.editor.geom.IDrawContext;
import com.actelion.research.share.gui.editor.geom.IPolygon;
import javafx.geometry.Bounds;
import javafx.geometry.VPos;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.paint.Color;
import javafx.scene.shape.StrokeLineCap;
import javafx.scene.shape.StrokeLineJoin;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.scene.text.TextAlignment;
/**
* Project:
* User: rufenec
* Date: 11/24/2014
* Time: 6:24 PM
*/
public class GraphicsContextImpl implements IDrawContext
{
GraphicsContext ctx;
public GraphicsContextImpl(GraphicsContext graphicsContext2D)
{
this.ctx = graphicsContext2D;
}
public GraphicsContext getContext()
{
return ctx;
}
public static Color createColor(long color)
{
double r = (double) ((color & 0xFF000000l) >> 24) / 255.0;
double g = (double) ((color & 0x00FF0000l) >> 16) / 255.0;
double b = (double) ((color & 0x0000FF00l) >> 8) / 255.0;
double a = (double) (color & 0x000000FFl ) / 255.0;
return new Color(r, g, b, a);
}
@Override
public GraphicsContext getNative()
{
return ctx;
}
@Override
public void drawLine(double x, double y, double x1, double y1)
{
ctx.setLineCap(StrokeLineCap.ROUND);
ctx.setLineJoin(StrokeLineJoin.MITER);
ctx.beginPath();
ctx.moveTo(x,y);
ctx.lineTo(x1,y1);
ctx.stroke();
}
@Override
public void drawDashedLine(double srcx, double srcy, double targetx, double targety, int[] dashPattern)
{
double dx = targetx - srcx;
double dy = targety - srcy;
double angle = Math.atan2(dy, dx);
double x = srcx;
double y = srcy;
int idx = 0;
boolean draw = true;
ctx.beginPath();
ctx.moveTo(srcx, srcy);
while (!((dx < 0 ? x <= targetx : x >= targetx) && (dy < 0 ? y <= targety : y >= targety))) {
double dashLength = dashPattern[idx++ % dashPattern.length];
double nx = x + (Math.cos(angle) * dashLength);
x = dx < 0 ? Math.max(targetx, nx) : Math.min(targetx, nx);
double ny = y + (Math.sin(angle) * dashLength);
y = dy < 0 ? Math.max(targety, ny) : Math.min(targety, ny);
if (draw) {
ctx.lineTo(x, y);
} else {
ctx.moveTo(x, y);
}
draw = !draw;
}
ctx.closePath();
ctx.stroke();
}
@Override
public void drawPolygon(IPolygon polygon)
{
ctx.beginPath();
GenericPoint pt = polygon.get(0);
ctx.moveTo(pt.getX(), pt.getY());
for (int i = 1; i < polygon.size(); i++) {
pt = polygon.get(i);
ctx.lineTo(pt.getX(), pt.getY());
}
ctx.closePath();
ctx.stroke();
}
@Override
public java.awt.Dimension getBounds(String s)
{
Font currentFont = ctx.getFont();
Text t = new Text(s);
t.setFont(currentFont);
Bounds b = t.getLayoutBounds();
java.awt.Dimension bounds = new java.awt.Dimension((int)b.getWidth(), (int)b.getHeight());
return bounds;
}
@Override
public void setFont(String name, double size, boolean bold)
{
ctx.setFont(Font.font(name,bold ? FontWeight.BOLD : null, size));
}
@Override
public String getFont() {
return ctx.getFont().getName();
}
@Override
public void setFill(long color)
{
ctx.setFill(createColor(color));
}
@Override
public void fillText(String str, double x, double y)
{
ctx.fillText(str,x,y);
}
@Override
public void save()
{
ctx.save();
}
@Override
public void restore()
{
ctx.restore();
}
@Override
public void drawRect(double x, double y, double width, double height)
{
ctx.strokeRect(x,y,width,height);
}
@Override
public void drawText(String s, double x, double y, boolean centerHorz, boolean centerVert)
{
ctx.setTextAlign(centerHorz ? TextAlignment.CENTER : TextAlignment.LEFT);
ctx.setTextBaseline(centerVert ? VPos.CENTER : VPos.TOP);
ctx.strokeText(s, x, y);
}
@Override
public void clearRect(double x, double y, double w, double h)
{
ctx.clearRect(x, y, w, h);
}
@Override
public void setStroke(long color)
{
ctx.setStroke(createColor(color));
}
@Override
public void fillElipse(double x, double y, double rx, double ry)
{
ctx.fillArc(x, y, rx, ry, 0, 360, javafx.scene.shape.ArcType.ROUND);
}
@Override
public void fillRect(double x, double y, double w, double h)
{
ctx.fillRect(x, y, w, h);
}
@Override
public void strokeLine(double x, double y, double x1, double y1)
{
ctx.beginPath();
ctx.moveTo(x,y);
ctx.lineTo(x1,y1);
ctx.stroke();
}
@Override
public void fillPolygon(double[] px, double[] py, int i)
{
ctx.fillPolygon(px, py, i);
}
@Override
public void setLineWidth(double i)
{
ctx.setLineWidth(i);
}
}