tdf#143123 Port SDraw Java SDK example to Python

Change-Id: I12e19b4a0d76affa178618cfbaf761692f29152a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160360
Tested-by: Jenkins
Reviewed-by: Hossein <hossein@libreoffice.org>

3 files changed, 171 insertions, 0 deletions

diff --git a/odk/Package_examples.mk b/odk/Package_examples.mk
index 71682c4c65a1..fe8d927c6d85 100644
--- a/odk/Package_examples.mk
+++ b/odk/Package_examples.mk
@@ -557,6 +557,7 @@ $(eval $(call gb_Package_add_files_with_dir,odk_examples,$(SDKDIRNAME)/examples,
     python/DocumentHandling/DocumentSaver.py \
     python/DocumentHandling/README.md \
     python/DocumentHandling/tests/hello.odt \
+    python/Drawing/SDraw.py \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/odk/examples/examples.html b/odk/examples/examples.html
index f50dffbc79e8..e574af9a3bc3 100644
--- a/odk/examples/examples.html
+++ b/odk/examples/examples.html
@@ -542,6 +542,25 @@
         </tr>
         <tr>
           <td>
+            <table class="table4">
+            <tbody>
+              <tr class="thead">
+                <td class="cell20">Drawing Document Examples</td>
+                <td class="cell80">Description</td>
+              </tr>
+              <tr>
+                <td class="cell20"><a href="python/Drawing/" title="link to the source directory of the Python Drawing examples">SDraw</a></td>
+                <td class="cell80">This program connects to the office server and gets
+                  the <a href="%DOXYGEN_PREFIX1%/docs/idl/ref/interfacecom_1_1sun_1_1star_1_1lang_1_1XMultiComponentFactory.html" title="link into the IDL reference to the interface com.sun.star.lang.XMultiComponentFactory"> multi component factory</a>. Afterwards, an empty text document will
+                  be created and some shapes will be inserted on the draw page.
+                </td>
+              </tr>
+            </tbody>
+            </table>
+          </td>
+        </tr>
+        <tr>
+          <td>
             <table class="table3">
               <tr>
                 <td colspan="3">
diff --git a/odk/examples/python/Drawing/SDraw.py b/odk/examples/python/Drawing/SDraw.py
new file mode 100644
index 000000000000..2244c74ac5ea
--- /dev/null
+++ b/odk/examples/python/Drawing/SDraw.py
@@ -0,0 +1,151 @@
+# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+# comment: Step 1: bootstrap UNO and get the remote component context
+#          Step 2: open an empty text document
+#          Step 3: get the drawpage an insert some shapes
+
+import officehelper
+import sys
+import traceback
+import math
+
+from com.sun.star.awt import Size
+from com.sun.star.awt import Point
+
+
+def main():
+    try:
+        # Step 1: bootstrap UNO and get the remote component context. The
+        #         context can be used to get the service manager.
+        remote_context = officehelper.bootstrap()
+        print("Connected to a running office ...")
+        srv_mgr = remote_context.getServiceManager()
+        desktop = srv_mgr.createInstanceWithContext("com.sun.star.frame.Desktop", remote_context)
+
+        # Step 2: open an empty document. In this case it's a writer document.
+        #         For this purpose an instance of com.sun.star.frame.Desktop is
+        #         created. It's interface XDesktop provides the XComponentLoader,
+        #         which is used to open the document via loadComponentFromURL
+        print("Opening an empty Draw document")
+        doc_url = "private:factory/sdraw"
+        doc = desktop.loadComponentFromURL(doc_url, "_blank", 0, tuple())
+    except Exception as e:
+        print(f"Exception: {e}", file=sys.stderr)
+        traceback.print_exc()
+        sys.exit(1)
+
+    generate(doc)
+
+
+def generate(doc):
+    # Step 3: get the drawpage an insert some shapes.
+    #         the documents DrawPageSupplier supplies the DrawPage vi IndexAccess
+    #         To add a shape get the MultiServiceFaktory of the document, create an
+    #         instance of the ShapeType and add it to the Shapes-container
+    #         provided by the drawpage
+
+    # get the drawpage of drawing here
+    print("getting Draw page")
+    try:
+        draw_page = doc.getDrawPages()
+    except Exception as e:
+        print(f"Couldn't create document: {e}", file=sys.stderr)
+        traceback.print_exc()
+    else:
+        try:
+            generate_sequence(doc, draw_page.getByIndex(0))
+            # put something on the drawpage
+            print("inserting some Shapes")
+            draw_page.getByIndex(0).add(create_shape(doc, 2000, 1500, 1000, 1000, "Line", 0))
+            draw_page.getByIndex(0).add(create_shape(doc, 3000, 4500, 15000, 1000, "Ellipse", 16711680))
+            draw_page.getByIndex(0).add(create_shape(doc, 5000, 3500, 7500, 5000, "Rectangle", 6710932))
+        except Exception as e:
+            print(f"Exception: {e}", file=sys.stderr)
+            traceback.print_exc()
+
+    print("done")
+
+
+def create_shape(doc, height: int, width: int, x: int, y: int, kind: str, col: int):
+    # possible values for kind are 'Ellipse', 'Line' and 'Rectangle'
+    try:
+        size = Size()
+        position = Point()
+        shape = doc.createInstance(f"com.sun.star.drawing.{kind}Shape")
+        size.Height = height
+        size.Width = width
+        position.X = x
+        position.Y = y
+        shape.setSize(size)
+        shape.setPosition(position)
+    except Exception as e:
+        # Some exception occurs.FAILED
+        print(f"Couldn't get instance: {e}", file=sys.stderr)
+        traceback.print_exc()
+        return
+
+    try:
+        shape.setPropertyValue("FillColor", col)
+    except Exception as e:
+        print(f"Can't change colors: {e}", file=sys.stderr)
+        traceback.print_exc()
+        return
+    return shape
+
+
+def generate_sequence(doc, page):
+    size = Size()
+    position = Point()
+    height = 3000
+    width = 3500
+    x = 1900
+    y = 20000
+    ellipse_shape = None
+    r = 40
+    g = 0
+    b = 80
+
+    for i in range(0, 370, 25):
+        try:
+            ellipse_shape = doc.createInstance("com.sun.star.drawing.EllipseShape")
+            size.Height = height
+            size.Width = width
+            position.X = (x+(i * 40))
+            position.Y = int((y+(math.sin((i * math.pi) / 180)) * 5000))
+            ellipse_shape.setSize(size)
+            ellipse_shape.setPosition(position)
+        except Exception as e:
+            # Some exception occurs.FAILED
+            print(f"Couldn't get Shape: {e}", file=sys.stderr)
+            traceback.print_exc()
+            return
+
+        b += 8
+
+        try:
+            ellipse_shape.setPropertyValue('FillColor', get_col(r, g, b))
+            ellipse_shape.setPropertyValue('Shadow', True)
+
+        except Exception as e:
+            print(f"Can't change colors: {e}", file=sys.stderr)
+            traceback.print_exc()
+            return
+
+        page.add(ellipse_shape)
+
+
+def get_col(r: int, g: int, b: int):
+    return r * 65536 + g * 256 + b
+
+
+if __name__ == "__main__":
+    main()
+
+# vim: set shiftwidth=4 softtabstop=4 expandtab: