/*
VARNA is a tool for the automated drawing, visualization and annotation of the secondary structure of RNA, designed as a companion software for web servers and databases.
Copyright (C) 2008 Kevin Darty, Alain Denise and Yann Ponty.
electronic mail : Yann.Ponty@lri.fr
paper mail : LRI, bat 490 University Paris-Sud 91405 Orsay Cedex France
This file is part of VARNA version 3.1.
VARNA version 3.1 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.
VARNA version 3.1 is 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 VARNA version 3.1.
If not, see http://www.gnu.org/licenses.
*/
package fr.orsay.lri.varna.models.export;
import java.awt.Color;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.Vector;
public abstract class SecStrDrawingProducer {
public static final int FONT_TIMES_ROMAN = 0;
public static final int FONT_TIMES_BOLD = 1;
public static final int FONT_TIMES_ITALIC = 2;
public static final int FONT_TIMES_BOLD_ITALIC = 3;
public static final int FONT_HELVETICA = 16;
public static final int FONT_HELVETICA_OBLIQUE = 17;
public static final int FONT_HELVETICA_BOLD = 18;
public static final int FONT_HELVETICA_BOLD_OBLIQUE = 19;
public static final int FONT_COURIER = 12;
public static final int FONT_COURIER_BOLD = 13;
public static final int FONT_COURIER_OBLIQUE = 14;
public static final int FONT_COURIER_BOLD_OBLIQUE = 15;
private Vector<GraphicElement> _commands = new Vector<GraphicElement>();
private double _scale = 1.0;
private double _xmin = Double.MAX_VALUE;
private double _ymin = Double.MAX_VALUE;
private double _xmax = -Double.MAX_VALUE;
private double _ymax = -Double.MAX_VALUE;
protected Color _curColor = Color.black;
protected Color _backgroundColor = null;
protected double _fontsize = 10.0;
protected int _font = FONT_HELVETICA_BOLD;
public Color getCurrentColor() {
return _curColor;
}
public double getCurFontSize() {
return _fontsize;
}
public int getCurrentFont() {
return _font;
}
public abstract String drawLineS(Point2D.Double orig, Point2D.Double dest,
double thickness);
public abstract String drawArcS(Point2D.Double origine, double width,
double height, double startAngle, double endAngle);
public abstract String drawTextS(Point2D.Double base, String txt);
public abstract String drawRectangleS(Point2D.Double orig,
Point2D.Double dims, double thickness);
public abstract String drawCircleS(Point2D.Double base, double radius,
double thickness);
public abstract String fillCircleS(Point2D.Double base, double radius,
double thickness, Color color);
public abstract String drawPolygonS(Point2D.Double[] points,
double thickness);
public abstract String fillPolygonS(Point2D.Double[] points,
Color color);
public abstract String setFontS(int font, double size);
public String setColorS(Color col) {
_curColor = col;
return "";
}
public abstract String headerS(Rectangle2D.Double bb);
public abstract String footerS();
@SuppressWarnings("unused")
private void resetBoundingBox() {
_xmin = Double.MAX_VALUE;
_ymin = Double.MAX_VALUE;
_xmax = -Double.MAX_VALUE;
_ymax = -Double.MAX_VALUE;
}
private void updateBoundingBox(double x, double y) {
_xmin = Math.min(_xmin, x - 10);
_ymin = Math.min(_ymin, y - 10);
_xmax = Math.max(_xmax, x + 10);
_ymax = Math.max(_ymax, y + 10);
}
public void drawLine(double x0, double y0, double x1, double y1,
double thickness) {
updateBoundingBox(x0, y0);
updateBoundingBox(x1, y1);
_commands.add(new LineCommand(new Point2D.Double(x0, y0),
new Point2D.Double(x1, y1), thickness));
}
public void drawArc(Point2D.Double origine, double width, double height,
double startAngle, double endAngle) {
updateBoundingBox(origine.x + width, origine.y + height/2);
_commands.add(new ArcCommand(origine, width, height, startAngle,
endAngle));
}
public void drawText(double x, double y, String txt) {
updateBoundingBox(x, y);
_commands.add(new TextCommand(new Point2D.Double(x, y), new String(txt)));
}
public void drawRectangle(double x, double y, double w, double h,
double thickness) {
updateBoundingBox(x, y);
updateBoundingBox(x + w, y + h);
_commands.add(new RectangleCommand(new Point2D.Double(x, y),
new Point2D.Double(w, h), thickness));
}
public void fillRectangle(double x, double y, double w, double h, Color color) {
double [] xtab = new double[4];
double [] ytab = new double[4];
xtab[0] = x;
xtab[1] = x+w;
xtab[2] = x+w;
xtab[3] = x;
ytab[0] = y;
ytab[1] = y;
ytab[2] = y+h;
ytab[3] = y+h;
fillPolygon(xtab, ytab, color);
}
public void drawCircle(double x, double y, double radius, double thickness) {
updateBoundingBox(x - radius, y - radius);
updateBoundingBox(x + radius, y + radius);
_commands.add(new CircleCommand(new Point2D.Double(x, y), radius,
thickness));
}
public void setColor(Color col) {
_curColor = col;
_commands.add(new ColorCommand(col));
}
public void setBackgroundColor(Color col){
_backgroundColor = col;
}
public void removeBackgroundColor(){
_backgroundColor = null;
}
public void fillCircle(double x, double y, double radius, double thickness,
Color color) {
updateBoundingBox(x - radius, y - radius);
updateBoundingBox(x + radius, y + radius);
_commands.add(new FillCircleCommand(new Point2D.Double(x, y), radius,
thickness, color));
}
public void drawPolygon(double[] xtab, double[] ytab, double thickness) {
if (xtab.length == ytab.length) {
Point2D.Double points[] = new Point2D.Double[xtab.length];
for (int i = 0; i < xtab.length; i++) {
points[i] = new Point2D.Double(xtab[i], ytab[i]);
updateBoundingBox(xtab[i], ytab[i]);
}
_commands.add(new PolygonCommand(points, thickness));
}
}
public void drawPolygon(GeneralPath p,
double thickness) {
PathIterator pi = p.getPathIterator(null);
Vector<Point2D.Double> v = new Vector<Point2D.Double>();
double[] coords = new double[6];
while (!pi.isDone())
{
int code = pi.currentSegment(coords);
if (code == PathIterator.SEG_MOVETO)
{ v.add(new Point2D.Double(coords[0],coords[1])); }
if (code == PathIterator.SEG_LINETO)
{ v.add(new Point2D.Double(coords[0],coords[1])); }
pi.next();
}
double[] xtab = new double[v.size()];
double[] ytab = new double[v.size()];
for(int i=0;i<v.size();i++)
{
xtab[i] = v.get(i).x;
ytab[i] = v.get(i).y;
}
drawPolygon(xtab,ytab, thickness);
}
public void fillPolygon(GeneralPath p,
Color color) {
PathIterator pi = p.getPathIterator(null);
Vector<Point2D.Double> v = new Vector<Point2D.Double>();
double[] coords = new double[6];
while (!pi.isDone())
{
int code = pi.currentSegment(coords);
if (code == PathIterator.SEG_MOVETO)
{ v.add(new Point2D.Double(coords[0],coords[1])); }
if (code == PathIterator.SEG_LINETO)
{ v.add(new Point2D.Double(coords[0],coords[1])); }
pi.next();
}
double[] xtab = new double[v.size()];
double[] ytab = new double[v.size()];
for(int i=0;i<v.size();i++)
{
xtab[i] = v.get(i).x;
ytab[i] = v.get(i).y;
}
fillPolygon(xtab,ytab, color);
}
public void fillPolygon(double[] xtab, double[] ytab,
Color color) {
if (xtab.length == ytab.length) {
Point2D.Double points[] = new Point2D.Double[xtab.length];
for (int i = 0; i < xtab.length; i++) {
points[i] = new Point2D.Double(xtab[i], ytab[i]);
updateBoundingBox(xtab[i], ytab[i]);
}
_commands.add(new FillPolygonCommand(points, color));
}
}
public void setFont(int font, double size) {
_fontsize = size;
_font = font;
_commands.add(new FontCommand(font, size));
}
public void setScale(double sc) {
_scale = sc;
}
public Rectangle2D.Double getBoundingBox() {
return (new Rectangle2D.Double(_xmin, _ymin, _xmax - _xmin, _ymax
- _ymin));
}
private Point2D.Double transform(Point2D.Double p, double factor,
double dx, double dy) {
return transform(p.x, p.y, factor, dx, dy);
}
private Point2D.Double transform(double x, double y, double factor,
double dx, double dy) {
return new Point2D.Double((x + dx) * factor, (y + dy) * factor);
}
public String export() {
Rectangle2D.Double oldbb = getBoundingBox();
double dx = -oldbb.x;
double dy = -oldbb.y;
Rectangle2D.Double nbb = new Rectangle2D.Double(0, 0, oldbb.width* _scale, oldbb.height * _scale);
StringBuffer buf = new StringBuffer();
buf.append(headerS(nbb));
if (_backgroundColor!= null)
{
double w = oldbb.width* _scale;
double h = oldbb.height* _scale;
Point2D.Double[] tab = new Point2D.Double[4];
tab[0] = new Point2D.Double(0,0);
tab[1] = new Point2D.Double(w,0);
tab[2] = new Point2D.Double(w,h);
tab[3] = new Point2D.Double(0,h);
buf.append(this.fillPolygonS(tab, _backgroundColor));
}
for (int i = 0; i < _commands.size(); i++) {
GraphicElement ge = _commands.elementAt(i);
if (ge instanceof LineCommand) {
LineCommand c = (LineCommand) ge;
String tmp = drawLineS(transform(c.get_orig(), _scale, dx, dy),
transform(c.get_dest(), _scale, dx, dy), c
.get_thickness());
buf.append(tmp);
} else if (ge instanceof TextCommand) {
TextCommand c = (TextCommand) ge;
String tmp = drawTextS(transform(c.get_base(), _scale, dx, dy),
c.get_txt());
buf.append(tmp);
} else if (ge instanceof RectangleCommand) {
RectangleCommand c = (RectangleCommand) ge;
String tmp = drawRectangleS(transform(c.get_orig(), _scale, dx,
dy), transform(c.get_dims(), _scale, 0.0, 0.0), c
.get_thickness());
buf.append(tmp);
} else if (ge instanceof CircleCommand) {
CircleCommand c = (CircleCommand) ge;
String tmp = drawCircleS(
transform(c.get_base(), _scale, dx, dy), c.get_radius()
* _scale, c.get_thickness());
buf.append(tmp);
} else if (ge instanceof FillCircleCommand) {
FillCircleCommand c = (FillCircleCommand) ge;
String tmp = fillCircleS(
transform(c.get_base(), _scale, dx, dy), c.get_radius()
* _scale, c.get_thickness(), c.get_color());
buf.append(tmp);
} else if (ge instanceof FontCommand) {
FontCommand c = (FontCommand) ge;
String tmp = setFontS(c.get_font(), c.get_size());
buf.append(tmp);
} else if (ge instanceof ColorCommand) {
ColorCommand c = (ColorCommand) ge;
String tmp = setColorS(c.getColor());
buf.append(tmp);
} else if (ge instanceof ArcCommand) {
ArcCommand c = (ArcCommand) ge;
String tmp = drawArcS(
transform(c.getOrigine(), _scale, dx, dy), c.getWidth()
* _scale, c.getHeight() * _scale, c
.getStartAngle(), c.getEndAngle());
buf.append(tmp);
} else if (ge instanceof PolygonCommand) {
PolygonCommand c = (PolygonCommand) ge;
Point2D.Double[] points = c.get_points();
for (int j = 0; j < points.length; j++) {
points[j] = transform(points[j], _scale, dx, dy);
}
String tmp = drawPolygonS(points, c.get_thickness());
buf.append(tmp);
} else if (ge instanceof FillPolygonCommand) {
FillPolygonCommand c = (FillPolygonCommand) ge;
Point2D.Double[] points = c.get_points();
for (int j = 0; j < points.length; j++) {
points[j] = transform(points[j], _scale, dx, dy);
}
String tmp = fillPolygonS(points, c
.get_color());
buf.append(tmp);
}
}
buf.append(footerS());
return buf.toString();
}
public void reset() {
}
}