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authorHamish Moffatt <hamish@debian.org>2002-01-06 13:02:15 +0100
committerHamish Moffatt <hamish@debian.org>2002-01-06 13:02:15 +0100
commit2679d213fe4eae9f00a496c9b5fa2a67c85e78e1 (patch)
tree8065f92eb2795042b55fa45c0ac74f539706e714 /javastroke
Import libstroke_0.5.1.orig.tar.gz
[dgit import orig libstroke_0.5.1.orig.tar.gz]
Diffstat (limited to 'javastroke')
-rw-r--r--javastroke/Makefile.am14
-rw-r--r--javastroke/Makefile.in197
-rw-r--r--javastroke/Makefile.unix20
-rw-r--r--javastroke/Paint.java177
-rw-r--r--javastroke/README6
-rw-r--r--javastroke/Stroke.java264
6 files changed, 678 insertions, 0 deletions
diff --git a/javastroke/Makefile.am b/javastroke/Makefile.am
new file mode 100644
index 0000000..347a500
--- /dev/null
+++ b/javastroke/Makefile.am
@@ -0,0 +1,14 @@
+
+EXTRA_DIST = \
+ README \
+ Makefile.unix \
+ Paint.java \
+ Stroke.java
+
+.PHONY: files
+
+files:
+ @files=`ls $(DISTFILES) 2> /dev/null`; for p in $$files; do \
+ echo $$p; \
+ done
+
diff --git a/javastroke/Makefile.in b/javastroke/Makefile.in
new file mode 100644
index 0000000..274a843
--- /dev/null
+++ b/javastroke/Makefile.in
@@ -0,0 +1,197 @@
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DESTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = ..
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+AS = @AS@
+CC = @CC@
+DLLTOOL = @DLLTOOL@
+GTK_CFLAGS = @GTK_CFLAGS@
+GTK_CONFIG = @GTK_CONFIG@
+GTK_LIBS = @GTK_LIBS@
+LD = @LD@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+NM = @NM@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+USE_SYMBOL_UNDERSCORE = @USE_SYMBOL_UNDERSCORE@
+VERSION = @VERSION@
+X_CFLAGS = @X_CFLAGS@
+X_LDFLAGS = @X_LDFLAGS@
+
+EXTRA_DIST = README Makefile.unix Paint.java Stroke.java
+
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = ../config.h
+CONFIG_CLEAN_FILES =
+DIST_COMMON = README Makefile.am Makefile.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = gtar
+GZIP_ENV = --best
+all: all-redirect
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
+ cd $(top_srcdir) && $(AUTOMAKE) --gnu javastroke/Makefile
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status $(BUILT_SOURCES)
+ cd $(top_builddir) \
+ && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+tags: TAGS
+TAGS:
+
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+
+subdir = javastroke
+
+distdir: $(DISTFILES)
+ here=`cd $(top_builddir) && pwd`; \
+ top_distdir=`cd $(top_distdir) && pwd`; \
+ distdir=`cd $(distdir) && pwd`; \
+ cd $(top_srcdir) \
+ && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu javastroke/Makefile
+ @for file in $(DISTFILES); do \
+ d=$(srcdir); \
+ if test -d $$d/$$file; then \
+ cp -pr $$d/$$file $(distdir)/$$file; \
+ else \
+ test -f $(distdir)/$$file \
+ || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+ || cp -p $$d/$$file $(distdir)/$$file || :; \
+ fi; \
+ done
+info-am:
+info: info-am
+dvi-am:
+dvi: dvi-am
+check-am: all-am
+check: check-am
+installcheck-am:
+installcheck: installcheck-am
+install-exec-am:
+install-exec: install-exec-am
+
+install-data-am:
+install-data: install-data-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+install: install-am
+uninstall-am:
+uninstall: uninstall-am
+all-am: Makefile
+all-redirect: all-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+
+
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -rm -f Makefile $(CONFIG_CLEAN_FILES)
+ -rm -f config.cache config.log stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+mostlyclean-am: mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am: clean-generic mostlyclean-am
+
+clean: clean-am
+
+distclean-am: distclean-generic clean-am
+ -rm -f libtool
+
+distclean: distclean-am
+
+maintainer-clean-am: maintainer-clean-generic distclean-am
+ @echo "This command is intended for maintainers to use;"
+ @echo "it deletes files that may require special tools to rebuild."
+
+maintainer-clean: maintainer-clean-am
+
+.PHONY: tags distdir info-am info dvi-am dvi check check-am \
+installcheck-am installcheck install-exec-am install-exec \
+install-data-am install-data install-am install uninstall-am uninstall \
+all-redirect all-am all installdirs mostlyclean-generic \
+distclean-generic clean-generic maintainer-clean-generic clean \
+mostlyclean distclean maintainer-clean
+
+
+.PHONY: files
+
+files:
+ @files=`ls $(DISTFILES) 2> /dev/null`; for p in $$files; do \
+ echo $$p; \
+ done
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/javastroke/Makefile.unix b/javastroke/Makefile.unix
new file mode 100644
index 0000000..5ee1537
--- /dev/null
+++ b/javastroke/Makefile.unix
@@ -0,0 +1,20 @@
+
+all::
+ "make compile to compile javastroke"
+
+compile::
+ javac Stroke.java
+ javac Paint.java
+
+distdir::
+ echo "nothing to do"
+
+test::
+ java Paint
+
+clean::
+ rm -f *class
+
+install::
+ echo "Install javastroke by hand, if desired"
+
diff --git a/javastroke/Paint.java b/javastroke/Paint.java
new file mode 100644
index 0000000..0885213
--- /dev/null
+++ b/javastroke/Paint.java
@@ -0,0 +1,177 @@
+//* Example of Stroke in JAVA *
+// by Luciano da Silva Ribas
+// license under GNU General Public License
+
+import java.awt.*;
+import java.awt.event.*;
+import java.math.*;
+
+public class Paint extends Frame implements WindowListener, MouseListener,MouseMotionListener, ActionListener {
+ public static Canvas c;
+ public static Graphics g;
+ public static int xp;
+ public static int yp;
+ public Color cor = Color.black;
+ public Stroke MyStroke;
+
+ public static int figura = 1;
+ public static int rect_lx = 50;
+ public static int rect_ly = 50;
+ public static int circ_s = 100;
+
+ public static void main(String args[]){
+ Paint i = new Paint("Paint");
+ }
+
+ public Paint(String t){
+ super(t);
+ this.setSize(500,500);
+ this.setLocation(100,100);
+ this.setVisible(true);
+
+ MyStroke = new Stroke();
+
+ MenuBar mbar = new MenuBar();
+ Menu menuAbout = new Menu("About");
+ MenuItem miAbout = new MenuItem("About..");
+ miAbout.addActionListener(this);
+ mbar.add(menuAbout);
+ menuAbout.add(miAbout);
+ this.setMenuBar(mbar);
+
+ c = new Canvas();
+ this.add(c);
+
+ c.addMouseListener(this);
+ c.addMouseMotionListener(this);
+
+ this.addWindowListener(this);
+ this.show();
+
+ System.out.println("\nLASD/CEFETPR\nTMN Project - Telecommunications Management Network\n\nAuthor: Luciano da Silva Ribas ribas@lasd.cefetpr.br\n");
+ System.out.println("Strokes actived.");
+ System.out.println("\t1 2 3\n\t4 5 6\n\t7 8 9\n");
+ System.out.println("to change color:");
+ System.out.println("\t456 - Black");
+ System.out.println("\t654 - Blue");
+ System.out.println("\t258 - Yellow");
+ System.out.println("\t852 - Red\n");
+ System.out.println("to change draw:");
+ System.out.println("\t78963 - Oval");
+ System.out.println("\t14789 - Rectangle\n");
+ System.out.println("to change size:");
+ System.out.println("\t357 - Zoom-in");
+ System.out.println("\t753 - Zoom-out\n");
+
+ System.out.println("detected:");
+
+ Draw();
+ }
+
+
+ public void Draw() {
+
+if( figura==1) {
+ g=c.getGraphics();
+ g.setColor(Color.white);
+ g.fillRect(0,0,500,500);
+ g.setColor(cor);
+ g.fillOval(200,200,circ_s,circ_s);
+ }
+
+ if( figura==2) {
+ g=c.getGraphics();
+ g.setColor(Color.white);
+ g.fillRect(0,0,500,500);
+ g.setColor(cor);
+ g.fillRect(200-rect_lx,200-rect_ly,200+rect_lx,200+rect_ly);
+ }
+ }
+
+ public void actionPerformed( ActionEvent a){
+ String comand=a.getActionCommand();
+ if(comand.equals("About.."))
+ System.out.println("\nLASD/CEFETPR\nTMN Project - Telecommunications Management Network\n\nAuthor: Luciano da Silva Ribas ribas@lasd.cefetpr.br\n");
+ }
+
+ public void mousePressed(MouseEvent m){
+ xp = m.getX();
+ yp = m.getY();
+ g=c.getGraphics();
+ g.setColor(cor);
+ g.drawLine(xp,yp,xp,yp);
+ }
+
+ public void mouseReleased(MouseEvent m){
+ String Result;
+ Result = MyStroke.stroke_trans();
+ System.out.print("----> ["+Result+"] .. ");
+
+ if (Result.equals("456")) {
+ cor = Color.black;
+ System.out.println("color black.");
+ } else
+ if (Result.equals("654")) {
+ cor = Color.blue;
+ System.out.println("color blue.");
+ } else
+ if (Result.equals("258")) {
+ cor = Color.yellow;
+ System.out.println("color yellow.");
+ } else
+ if (Result.equals("852")) {
+ cor = Color.red;
+ System.out.println("color red.");
+ } else
+ if (Result.equals("78963")) {
+ figura = 1;
+ System.out.println("draw circle.");
+ } else
+ if (Result.equals("14789")) {
+ figura = 2;
+ System.out.println("draw rectangle.");
+ } else
+ if (Result.equals("357")) {
+ rect_lx *= 2;
+ rect_ly *= 2;
+ circ_s *= 2;
+ System.out.println("ZOOM IN.");
+ } else
+ if (Result.equals("753")) {
+ rect_lx = (int) rect_lx/2;
+ rect_ly = (int) rect_ly/2;
+ circ_s = (int) circ_s/2;
+ System.out.println("ZOOM OUT.");
+ } else {
+ System.out.println("stroke not recognizable.");}
+
+ Draw();
+ }
+
+ public void mouseEntered(MouseEvent m){}
+ public void mouseExited(MouseEvent m){}
+ public void mouseClicked(MouseEvent m){}
+
+ public void mouseDragged(MouseEvent m){
+ int x=m.getX();
+ int y=m.getY();
+ g=c.getGraphics();
+ g.setColor(Color.black);
+ g.drawLine(x,y,xp,yp);
+ xp=x;
+ yp=y;
+ MyStroke.stroke_record( x, y );
+ }
+
+ public void mouseMoved(MouseEvent m){}
+
+ public void windowClosing (WindowEvent e){
+ System.exit(0);}
+ public void windowOpened (WindowEvent e){}
+ public void windowIconified (WindowEvent e){}
+ public void windowDeiconified (WindowEvent e){}
+ public void windowClosed (WindowEvent e){}
+ public void windowActivated (WindowEvent e){}
+ public void windowDeactivated (WindowEvent e){}
+}
+
diff --git a/javastroke/README b/javastroke/README
new file mode 100644
index 0000000..8d3da7a
--- /dev/null
+++ b/javastroke/README
@@ -0,0 +1,6 @@
+
+This is a port of the LibStroke library to Java. It is released under the
+GPL. It is so cool.
+
+Author: Luciano da Silva Ribas <ribas@lasd.cefetpr.br>
+
diff --git a/javastroke/Stroke.java b/javastroke/Stroke.java
new file mode 100644
index 0000000..f82274b
--- /dev/null
+++ b/javastroke/Stroke.java
@@ -0,0 +1,264 @@
+
+/*
+ Java Stroke - a Java stroke interface library
+ Copyright (c) 1996,1997,1998,1999,2000 Mark F. Willey, ETLA Technical
+ Copyright (c) 1999 Luciano da Silva Ribas, ribas@lasd.cefetpr.br
+
+ 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, including the rights to use, copy,
+ modify, merge, publish, and distribute copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ This program 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; version 2.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ See the file "LICENSE" for a copy of the GNU GPL terms.
+ 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 AUTHOR 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.
+
+ Except as contained in this notice, the name of the author shall
+ name be used in advertising or otherwise to promote the sale, use or
+ other dealings in this Software without prior written authorization
+ from the author.
+
+ Non-GPL commercial use licenses are available - contact copyright holder.
+
+ Author: Mark F. Willey -- willey@etla.net
+ http://www.etla.net/
+
+ Java Port Author: Luciano da Silva Ribas -- ribas@lasd.cefetpr.br
+
+*/
+
+// version in Java by Luciano da Silve Ribas
+
+/** Classe de implementacao do Stroke. */
+public class Stroke {
+
+ /** maximo de pontos permitidos por sample*/
+ static int MAX_POINTS=10000;
+
+ /** numero minimo de pontos por sample requerido*/
+ static int MIN_POINTS=50;
+
+ /** maximo numero de posicoes por stroke*/
+ static int MAX_SEQUENCE=20;
+
+ /** threshold do axis*/
+ static int SCALE_RATIO=4;
+
+ /** percentagem dos pontos adicionado a sequencia*/
+ static double BIN_COUNT_PERCENT=0.07;
+
+ /** Inner Classe para armazenar os pontos do stroke.*/
+ class s_point {
+ int x;
+ int y;
+ s_point next;
+
+ public s_point() {
+ x = 0; y = 0;
+ }
+
+ public s_point(int a, int b) {
+ x = a; y = b;
+ }
+ }
+
+ /** Variaveis de controle */
+ int point_count = 0;
+ int min_x = -1;
+ int max_x = 10000;
+ int min_y = -1;
+ int max_y = 10000;
+
+ /** Ponteiro para o inicio da lista de pontos */
+ s_point point_list_head;
+
+ /** Ponteiro para o fim da lista de pontos */
+ s_point point_list_tail;
+
+ /** Verifica se o ponto pertence ao contorno */
+ int stroke_bin (s_point point_p, int bound_x_1, int bound_x_2, int bound_y_1, int bound_y_2) {
+ int bin_num = 1;
+ if (point_p.x > bound_x_1) bin_num += 1;
+ if (point_p.x > bound_x_2) bin_num += 1;
+ if (point_p.y > bound_y_1) bin_num += 3;
+ if (point_p.y > bound_y_2) bin_num += 3;
+ return bin_num;
+ }
+
+ int stroke_init () {return 0;}
+
+ String stroke_trans () {
+
+ int sequence_count = 0;
+ int prev_bin = 0;
+ int current_bin = 0;
+ int bin_count = 0;
+ int first_bin = 1;
+ int delta_x, delta_y;
+ int bound_x_1, bound_x_2;
+ int bound_y_1, bound_y_2;
+
+ String Result = new String("");
+
+ delta_x = max_x - min_x;
+ delta_y = max_y - min_y;
+
+ bound_x_1 = min_x + (delta_x / 3);
+ bound_x_2 = min_x + 2 * (delta_x / 3);
+
+ bound_y_1 = min_y + (delta_y / 3);
+ bound_y_2 = min_y + 2 * (delta_y / 3);
+
+ if (delta_x > SCALE_RATIO * delta_y) {
+ bound_y_1 = (max_y + min_y - delta_x) / 2 + (delta_x / 3);
+ bound_y_2 = (max_y + min_y - delta_x) / 2 + 2 * (delta_x / 3);
+ } else if (delta_y > SCALE_RATIO * delta_x) {
+ bound_x_1 = (max_x + min_x - delta_y) / 2 + (delta_y / 3);
+ bound_x_2 = (max_x + min_x - delta_y) / 2 + 2 * (delta_y / 3);
+ }
+
+ while (point_list_head != null) {
+
+ current_bin = stroke_bin(point_list_head,bound_x_1, bound_x_2, bound_y_1, bound_y_2);
+ prev_bin = (prev_bin == 0) ? current_bin : prev_bin;
+
+ if (prev_bin == current_bin)
+ bin_count++;
+ else {
+ if ((bin_count > (point_count * BIN_COUNT_PERCENT)) || (first_bin == 1)) {
+ first_bin = 0;
+ Result = Result + ( (char) (48 + prev_bin) );
+ sequence_count++;
+ }
+
+ bin_count=0;
+ prev_bin = current_bin;
+ }
+
+ point_list_tail = point_list_head;
+ point_list_head = point_list_head.next;
+ point_list_tail = null;
+ }
+ point_list_tail = null;
+
+ Result = Result + ( (char) (48 + prev_bin) );
+ sequence_count++;
+
+ if ((point_count < MIN_POINTS) || (sequence_count > MAX_SEQUENCE)) {
+ point_count = 0;
+ Result = "";
+ return Result;
+ }
+
+ point_count = 0;
+ return Result;
+
+
+ }
+
+ void stroke_record ( int x, int y) {
+
+ int delx, dely;
+ double ix, iy;
+
+
+ if (point_count < MAX_POINTS) {
+
+ s_point new_point = new s_point();
+
+ if ( point_list_head == null ) {
+ point_list_head = point_list_tail = new_point;
+ min_x = 10000;
+ min_y = 10000;
+ max_x = -1;
+ max_y = -1;
+ point_count = 0;
+ } else {
+ delx = x - point_list_tail.x;
+ dely = y - point_list_tail.y;
+
+ if (java.lang.Math.abs(delx) > java.lang.Math.abs(dely)) {
+ iy = point_list_tail.y;
+
+ for (ix = point_list_tail.x; (delx > 0) ? (ix < x) : (ix > x); ix += (delx > 0) ? 1 : -1) {
+
+ iy += java.lang.Math.abs(((float) dely / (float) delx)) * (float) ((dely < 0) ? -1.0 : 1.0);
+
+ s_point new_point_i = new s_point();
+
+ point_list_tail.next = new_point_i;
+ point_list_tail = new_point_i;
+ new_point_i.x = (int) ix;
+ new_point_i.y = (int) iy;
+// new_point.next = null;
+
+ if (((int) ix) < min_x) min_x = (int) ix;
+ if (((int) ix) > max_x) max_x = (int) ix;
+ if (((int) iy) < min_y) min_y = (int) iy;
+ if (((int) iy) > max_y) max_y = (int) iy;
+ point_count++;
+
+ }
+ } else {
+ ix = point_list_tail.x;
+
+ for (iy = point_list_tail.y; (dely > 0) ? (iy < y) : (iy > y); iy += (dely > 0) ? 1 : -1) {
+
+ ix += java.lang.Math.abs(((float) delx / (float) dely)) * (float) ((delx < 0) ? -1.0 : 1.0);
+
+ s_point new_point_i = new s_point();
+
+ point_list_tail.next = new_point_i;
+ point_list_tail = new_point_i;
+ new_point_i.y = (int) iy;
+ new_point_i.x = (int) ix;
+// new_point.next = null;
+
+ if (((int) ix) < min_x) min_x = (int) ix;
+ if (((int) ix) > max_x) max_x = (int) ix;
+ if (((int) iy) < min_y) min_y = (int) iy;
+ if (((int) iy) > max_y) max_y = (int) iy;
+ point_count++;
+
+ }
+ }
+
+ point_list_tail.next = new_point;
+ point_list_tail = new_point;
+ }
+
+ new_point.x = x;
+ new_point.y = y;
+// new_point.next = null;
+
+ }
+
+ }
+
+
+
+}
+