--- /dev/null
+/*
+ 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 Université 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.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.awt.geom.Point2D.Double;
+
+import fr.orsay.lri.varna.models.rna.ModeleBP;
+
+/**
+ * @author ponty
+ *
+ */
+public class PSExport extends SecStrDrawingProducer {
+
+ public PSExport()
+ {
+ super();
+ super.setScale(0.4);
+ }
+
+ private String PSMacros() {
+ String setFontSize =
+ // Params [fontsize|...]
+ "/setbasefont \n" + "{ /Helvetica-Bold findfont\n" + // =>
+ // [font|scale|...]
+ " exch scalefont\n" + // => [scaled_font|...]
+ " setfont \n" + // => [...]
+ " } def\n\n";
+
+ String writeTextCentered =
+ // Params [txt|size|...]
+ "/txtcenter \n" + "{ dup \n" + // => [txt|txt|size|...]
+ " stringwidth pop\n" + // => [wtxt|txt|size|...]
+ " 2 div neg \n" + // => [-wtxt/2|txt|size|...]
+ " 3 -1 roll \n" + // => [size|-wtxt/2|txt...]
+ " 2 div neg\n" + // => [-size/2|-wtxt/2|txt|...]
+ " rmoveto\n" + // => [txt|...]
+ " show\n" + // => [...]
+ " } def\n\n";
+
+ String drawEllipse = "/ellipse {\n" + " /endangle exch def\n"
+ + " /startangle exch def\n" + " /yrad exch def\n"
+ + " /xrad exch def\n" + " /y exch def\n" + " /x exch def\n"
+ + " /savematrix matrix currentmatrix def\n"
+ + " x y translate\n" + " xrad yrad scale\n"
+ + " 0 0 1 startangle endangle arc\n"
+ + " savematrix setmatrix\n" + " } def\n\n";
+ return setFontSize + writeTextCentered + drawEllipse;
+ }
+
+ private String EPSHeader(double minX, double maxX, double minY, double maxY) {
+ String bbox = PSBBox(minX, minY, maxX, maxY);
+ String init = "%!PS-Adobe-3.0\n" + "%%Pages: 1\n" + bbox
+ + "%%EndComments\n" + "%%Page: 1 1\n";
+ String macros = PSMacros();
+ return init + macros;
+ }
+
+ private String EPSFooter() {
+ return "showpage\n" + "%%EndPage: 1\n" + "%%EOF";
+ }
+
+ private String PSNewPath() {
+ return ("newpath\n");
+ }
+
+ private String PSMoveTo(double x, double y) {
+ return ("" + x + " " + y + " moveto\n");
+ }
+
+ private String PSLineTo(double dx, double dy) {
+ return ("" + dx + " " + dy + " lineto\n");
+ }
+
+ private String PSRLineTo(double dx, double dy) {
+ return ("" + dx + " " + dy + " rlineto\n");
+ }
+
+ private String PSSetLineWidth(double thickness) {
+ thickness /= 2;
+ return ("" + thickness + " setlinewidth\n");
+ }
+
+ private String PSStroke() {
+ return ("stroke\n");
+ }
+
+ private String PSArc(double x, double y, double radiusX, double radiusY,
+ double angleFrom, double angleTo) {
+
+ double centerX = x;
+ double centerY = y;
+
+ // return (centerX + " " + centerY + " "+ radiusX/2.0+" " + angleFrom +
+ // " " + angleTo + " arc\n");
+
+ return (centerX + " " + centerY + " " + radiusX / 2.0 + " " + radiusY
+ / 2.0 + " " + angleTo + " " + angleFrom + " ellipse\n");
+
+ }
+
+ private String PSArc(double x, double y, double radius, double angleFrom,
+ double angleTo) {
+
+ return ("" + x + " " + y + " " + radius + " " + angleFrom + " "
+ + angleTo + " arc\n");
+ }
+
+ private String PSBBox(double minX, double maxX, double minY, double maxY) {
+ String norm = ("%%BoundingBox: " + (long) Math.floor(minX) + " "
+ + (long) Math.floor(minY) + " " + (long) Math.ceil(maxX) + " "
+ + (long) Math.ceil(maxY) + "\n");
+ String high = ("%%HighResBoundingBox: " + (long) Math.floor(minX) + " "
+ + (long) Math.floor(minY) + " " + (long) Math.ceil(maxX) + " "
+ + (long) Math.ceil(maxY) + "\n");
+ return norm + high;
+ }
+
+ private String PSText(String txt) {
+ return ("(" + txt + ") ");
+ }
+
+ @SuppressWarnings("unused")
+ private String PSShow() {
+ return ("show\n");
+ }
+
+ private String PSClosePath() {
+ return ("closepath\n");
+ }
+
+ private String PSFill() {
+ return ("fill\n");
+ }
+
+ private String PSSetColor(Color col) {
+ return ("" + (((double) col.getRed()) / 255.0) + " "
+ + (((double) col.getGreen()) / 255.0) + " "
+ + (((double) col.getBlue()) / 255.0) + " setrgbcolor\n");
+ }
+
+ private String fontName(int font) {
+ switch (font) {
+ case (FONT_TIMES_ROMAN):
+ return "/Times-Roman";
+ case (FONT_TIMES_BOLD):
+ return "/Times-Bold";
+ case (FONT_TIMES_ITALIC):
+ return "/Times-Italic";
+ case (FONT_TIMES_BOLD_ITALIC):
+ return "/Times-BoldItalic";
+ case (FONT_HELVETICA):
+ return "/Helvetica";
+ case (FONT_HELVETICA_BOLD):
+ return "/Helvetica-Bold";
+ case (FONT_HELVETICA_OBLIQUE):
+ return "/Helvetica-Oblique";
+ case (FONT_HELVETICA_BOLD_OBLIQUE):
+ return "/Helvetica-BoldOblique";
+ case (FONT_COURIER):
+ return "/Courier";
+ case (FONT_COURIER_BOLD):
+ return "/Courier-Bold";
+ case (FONT_COURIER_OBLIQUE):
+ return "/Courier-Oblique";
+ case (FONT_COURIER_BOLD_OBLIQUE):
+ return "/Courier-BoldOblique";
+ }
+ return "/Helvetica";
+ }
+
+ private String PSSetFont(int font, double size) {
+ return (fontName(font) + " findfont " + size + " scalefont setfont\n");
+ }
+
+ public String setFontS(int font, double size) {
+ _fontsize = (long) (0.4 * size);
+ return PSSetFont(font, _fontsize);
+ }
+
+ public String setColorS(Color col) {
+ super.setColorS(col);
+ String result = PSSetColor(col);
+ return result;
+ }
+
+ public String drawLineS(Point2D.Double p0, Point2D.Double p1,
+ double thickness) {
+ String tmp = "";
+ tmp += PSMoveTo(p0.x, p0.y);
+ tmp += PSLineTo(p1.x, p1.y);
+ tmp += PSSetLineWidth(thickness);
+ tmp += PSStroke();
+ return tmp;
+ }
+
+ public String drawTextS(Point2D.Double p, String txt) {
+ String tmp = "";
+ tmp += PSMoveTo(p.x, p.y);
+ tmp += ("" + (_fontsize / 2.0 + 1) + " \n");
+ tmp += PSText(txt);
+ tmp += (" txtcenter\n");
+ return tmp;
+ }
+
+ public String drawRectangleS(Point2D.Double orig, Point2D.Double dims,
+ double thickness) {
+ String tmp = PSNewPath();
+ tmp += PSMoveTo(orig.x, orig.y);
+ tmp += PSRLineTo(0, dims.y);
+ tmp += PSRLineTo(dims.x, 0);
+ tmp += PSRLineTo(0, -dims.y);
+ tmp += PSClosePath();
+ tmp += PSSetLineWidth(thickness);
+ tmp += PSStroke();
+ return tmp;
+ }
+
+ public String drawCircleS(Point2D.Double p, double radius, double thickness) {
+ String tmp = PSNewPath();
+ tmp += PSArc(p.x, p.y, radius, 0, 360);
+ tmp += PSSetLineWidth(thickness);
+ tmp += PSStroke();
+ return tmp;
+ }
+
+ public String fillCircleS(Point2D.Double p, double radius,
+ double thickness, Color color) {
+ String tmp = PSNewPath();
+ tmp += PSArc(p.x, p.y, radius, 0, 360);
+ tmp += PSSetLineWidth(thickness);
+ tmp += PSSetColor(color);
+ tmp += PSFill();
+ return tmp;
+ }
+
+ public String footerS() {
+ return EPSFooter();
+ }
+
+ public String headerS(Rectangle2D.Double bb) {
+ return EPSHeader(bb.x, bb.y, bb.x + bb.width, bb.y + bb.height);
+ }
+
+ @Override
+ public String drawArcS(Point2D.Double origine, double width, double height,
+ double startAngle, double endAngle) {
+ return PSArc(origine.x, origine.y, width, height, startAngle, endAngle)
+ + PSStroke();
+ }
+
+ @Override
+ public String drawPolygonS(Double[] points, double thickness) {
+ String tmp = PSNewPath();
+ tmp += PSSetLineWidth(thickness);
+ for (int i = 0; i < points.length; i++) {
+ if (i == 0) {
+ tmp += PSMoveTo(points[i].x, points[i].y);
+ } else {
+ tmp += PSLineTo(points[i].x, points[i].y);
+ }
+ }
+ tmp += PSClosePath();
+ tmp += PSStroke();
+ return tmp;
+ }
+
+ @Override
+ public String fillPolygonS(Double[] points, Color color) {
+ Color bck = _curColor;
+ String tmp = PSNewPath();
+ for (int i = 0; i < points.length; i++) {
+ if (i == 0) {
+ tmp += PSMoveTo(points[i].x, points[i].y);
+ } else {
+ tmp += PSLineTo(points[i].x, points[i].y);
+ }
+ }
+ tmp += PSClosePath();
+ tmp += PSSetColor(color);
+ tmp += PSFill();
+ tmp += PSSetColor(bck);
+ return tmp;
+ }
+
+ @Override
+ public String drawBaseStartS(int index) {
+ return "";
+ }
+
+ @Override
+ public String drawBaseEndS(int index) {
+ return "";
+ }
+
+ @Override
+ public String drawBasePairStartS(int i, int j, ModeleBP bps) {
+ return "";
+ }
+
+ @Override
+ public String drawBasePairEndS(int index) {
+ return "";
+ }
+
+ @Override
+ public String drawBackboneStartS(int i, int j) {
+ return "";
+ }
+
+ @Override
+ public String drawBackboneEndS(int index) {
+ return "";
+ }
+}
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