Ported Draw example from Java to C++ and done some tweaks

* Created Draw.cxx
* Used Makefile from DocumentLoader with some changes
* Updated examples.html to reflect the addition
* Updated odk make files

Change-Id: I37426d63854222ef8bedb5f61edb420baec4d28a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/118034
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

5 files changed, 328 insertions, 1 deletions

diff --git a/odk/CustomTarget_build-examples.mk b/odk/CustomTarget_build-examples.mk
index de3e9653f336..7861517b76b3 100644
--- a/odk/CustomTarget_build-examples.mk
+++ b/odk/CustomTarget_build-examples.mk
@@ -19,6 +19,7 @@ my_example_dirs = \
     DevelopersGuide/ProfUNO/CppBinding \
     DevelopersGuide/ProfUNO/SimpleBootstrap_cpp \
     OLE/activex \
+    cpp/Draw \
     cpp/DocumentLoader \
     cpp/complextoolbarcontrols \
     cpp/counter \
diff --git a/odk/Package_examples.mk b/odk/Package_examples.mk
index 80577e955794..e2cb4bd4c7a1 100644
--- a/odk/Package_examples.mk
+++ b/odk/Package_examples.mk
@@ -392,6 +392,8 @@ $(eval $(call gb_Package_add_files_with_dir,odk_examples,$(SDKDIRNAME)/examples,
     basic/text/modifying_text_automatically/inserting_bookmarks.odt \
     basic/text/modifying_text_automatically/replacing_text.odt \
     basic/text/modifying_text_automatically/using_regular_expressions.odt \
+    cpp/Draw/Draw.cxx \
+    cpp/Draw/Makefile \
     cpp/DocumentLoader/DocumentLoader.cxx \
     cpp/DocumentLoader/Makefile \
     cpp/DocumentLoader/test.odt \
diff --git a/odk/examples/cpp/Draw/Draw.cxx b/odk/examples/cpp/Draw/Draw.cxx
new file mode 100644
index 000000000000..d7924e53c539
--- /dev/null
+++ b/odk/examples/cpp/Draw/Draw.cxx
@@ -0,0 +1,235 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <iostream>
+
+#include <cppuhelper/bootstrap.hxx>
+#include <rtl/bootstrap.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/bridge/XUnoUrlResolver.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XComponentLoader.hpp>
+#include <com/sun/star/frame/XStorable.hpp>
+#include <com/sun/star/lang/XMultiComponentFactory.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/text/XTextDocument.hpp>
+#include <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/drawing/XDrawPage.hpp>
+#include <com/sun/star/drawing/XShapeGrouper.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/drawing/XDrawPages.hpp>
+#include <com/sun/star/container/XIndexAccess.hpp>
+
+using namespace std;
+using namespace cppu;
+using namespace rtl;
+using namespace css::uno;
+using namespace css::beans;
+using namespace css::bridge;
+using namespace css::frame;
+using namespace css::lang;
+using namespace css::text;
+using namespace css::drawing;
+using namespace css::awt;
+using namespace css::container;
+
+int getCol(int r, int g, int b);
+Reference<XComponent> openDraw(Reference<XComponentContext> xComponentContext);
+Reference<XShape> createShape(Reference<XComponent> xDocComp, int height, int width, int x, int y,
+                              OUString kind, int col);
+Reference<XShapeGroup> createSequence(Reference<XComponent> xDocComp, Reference<XDrawPage> xDP);
+
+int main()
+{
+    Reference<XComponentContext> xContext = NULL;
+
+    try
+    {
+        // get the remote office component context
+        xContext = bootstrap();
+    }
+    catch (Exception& e)
+    {
+        cout << "Error: cannot do bootstraping." << endl << e.Message << endl;
+        exit(1);
+    }
+
+    Reference<XComponent> xDrawDoc = NULL;
+    Reference<XDrawPage> xDrawPage = NULL;
+
+    xDrawDoc = openDraw(xContext);
+
+    try
+    {
+        // getting the draw page
+        Reference<XDrawPagesSupplier> xDPS(xDrawDoc, UNO_QUERY);
+        Reference<XDrawPages> xDPn = xDPS->getDrawPages();
+        Reference<XIndexAccess> xDPi(xDPn, UNO_QUERY);
+        xDrawPage = Reference<XDrawPage>(xDPi->getByIndex(0), UNO_QUERY);
+    }
+    catch (Exception& e)
+    {
+        cout << "Error: Document creation was not possible" << endl;
+        exit(1);
+    }
+
+    createSequence(xDrawDoc, xDrawPage);
+
+    // Drawing some shapes
+    Reference<XShapes> xShapes(xDrawPage, UNO_QUERY);
+    xShapes->add(createShape(xDrawDoc, 1000, 1300, 2000, 2000, "Line", getCol(0, 0, 0)));
+    xShapes->add(createShape(xDrawDoc, 2000, 4000, 15000, 2000, "Ellipse", getCol(0, 200, 200)));
+    xShapes->add(createShape(xDrawDoc, 3000, 2500, 5500, 4000, "Rectangle", getCol(100, 100, 200)));
+
+    exit(0);
+}
+
+Reference<XComponent> openDraw(Reference<XComponentContext> xContext)
+{
+    Reference<XComponent> xComp;
+
+    try
+    {
+        // getting the remote LibreOffice service manager
+        Reference<XMultiComponentFactory> xMCF = xContext->getServiceManager();
+
+        Reference<XInterface> oDesktop
+            = xMCF->createInstanceWithContext("com.sun.star.frame.Desktop", xContext);
+        Reference<XComponentLoader> xCLoader(oDesktop, UNO_QUERY);
+        Sequence<PropertyValue> szEmptyArgs(0);
+        OUString strDoc("private:factory/sdraw");
+        xComp = xCLoader->loadComponentFromURL(strDoc, "_blank", 0, szEmptyArgs);
+    }
+    catch (Exception e)
+    {
+        cout << "Error opening draw." << endl << e.Message << endl;
+        exit(1);
+    }
+
+    return xComp;
+}
+
+Reference<XShape> createShape(Reference<XComponent> xDocComp, int height, int width, int x, int y,
+                              OUString kind, int col)
+{
+    // kind can be either 'Ellipse', 'Line' or 'Rectangle'
+    Size size;
+    Point position;
+    Reference<XShape> xShape;
+
+    // get the mutliservice factory
+    Reference<XMultiServiceFactory> xDocMSF(xDocComp, UNO_QUERY);
+
+    try
+    {
+        Reference<XInterface> oInt
+            = xDocMSF->createInstance("com.sun.star.drawing." + kind + "Shape");
+        xShape = Reference<XShape>(oInt, UNO_QUERY);
+
+        size.Height = height;
+        size.Width = width;
+        position.X = x;
+        position.Y = y;
+        xShape->setSize(size);
+        xShape->setPosition(position);
+    }
+    catch (Exception e)
+    {
+        cout << "Could not create instance." << endl << e.Message << endl;
+        exit(1);
+    }
+
+    Reference<XPropertySet> xSPS(xShape, UNO_QUERY);
+
+    try
+    {
+        xSPS->setPropertyValue("FillColor", Any(col));
+    }
+    catch (Exception e)
+    {
+        cout << "Can not change the shape colors." << endl << e.Message << endl;
+        exit(1);
+    }
+
+    return xShape;
+}
+
+Reference<XShapeGroup> createSequence(Reference<XComponent> xDocComp, Reference<XDrawPage> xDP)
+{
+    Size size;
+    Point position;
+    Reference<XShape> xShape;
+    Reference<XShapes> xShapes(xDP, UNO_QUERY);
+    int height = 2000;
+    int width = 2500;
+    int x = 1800;
+    int y = 22000;
+    Reference<XInterface> oInt;
+    int r = 30;
+    int g = 0;
+    int b = 70;
+
+    // getting the multiservice factory
+    Reference<XMultiServiceFactory> xDocMSF(xDocComp, UNO_QUERY);
+
+    for (int i = 0; i < 380; i = i + 30)
+    {
+        try
+        {
+            oInt = xDocMSF->createInstance("com.sun.star.drawing.EllipseShape");
+            xShape = Reference<XShape>(oInt, UNO_QUERY);
+            size.Height = height;
+            size.Width = width;
+            position.X = x + (i * 40);
+            position.Y = y + (i * 40) % 4000;
+            xShape->setSize(size);
+            xShape->setPosition(position);
+        }
+        catch (Exception e)
+        {
+            // Some exception occurs.FAILED
+            cout << "Could not get Shape." << endl << e.Message << endl;
+            exit(1);
+        }
+
+        b = b + 8;
+
+        Reference<XPropertySet> xSPS(xShape, UNO_QUERY);
+
+        try
+        {
+            xSPS->setPropertyValue("FillColor", Any(getCol(r, g, b)));
+            xSPS->setPropertyValue("Shadow", Any(true));
+        }
+        catch (Exception e)
+        {
+            cout << "Can not change shape colors." << endl << e.Message << endl;
+            exit(1);
+        }
+        xShapes->add(xShape);
+    }
+
+    Reference<XShapeGrouper> xSGrouper(xDP, UNO_QUERY);
+
+    return xSGrouper->group(xShapes);
+}
+
+int getCol(int r, int g, int b) { return r * 65536 + g * 256 + b; }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/odk/examples/cpp/Draw/Makefile b/odk/examples/cpp/Draw/Makefile
new file mode 100644
index 000000000000..f3a3ca5ea80d
--- /dev/null
+++ b/odk/examples/cpp/Draw/Makefile
@@ -0,0 +1,84 @@
+#
+# 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/.
+#
+# This file incorporates work covered by the following license notice:
+#
+#   Licensed to the Apache Software Foundation (ASF) under one or more
+#   contributor license agreements. See the NOTICE file distributed
+#   with this work for additional information regarding copyright
+#   ownership. The ASF licenses this file to you under the Apache
+#   License, Version 2.0 (the "License"); you may not use this file
+#   except in compliance with the License. You may obtain a copy of
+#   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+#
+
+# Builds the C++ Draw example of the SDK.
+
+PRJ=../../..
+SETTINGS=$(PRJ)/settings
+
+include $(SETTINGS)/settings.mk
+include $(SETTINGS)/std.mk
+
+# Define non-platform/compiler specific settings
+COMPONENT_NAME=Draw
+
+OUT_COMP_INC = $(OUT_INC)/$(COMPONENT_NAME)
+OUT_COMP_GEN = $(OUT_MISC)/$(COMPONENT_NAME)
+OUT_COMP_OBJ=$(OUT_OBJ)/$(COMPONENT_NAME)
+
+CXXFILES = Draw.cxx
+
+OBJFILES = $(patsubst %.cxx,$(OUT_SLO_COMP)/%.$(OBJ_EXT),$(CXXFILES))
+
+ENV_OFFICE_TYPES=-env:URE_MORE_TYPES=$(URLPREFIX)$(OFFICE_TYPES)
+
+# Targets
+.PHONY: ALL
+ALL : \
+	CppDrawExample
+
+include $(SETTINGS)/stdtarget.mk
+
+$(OUT_COMP_OBJ)/%.$(OBJ_EXT) : %.cxx $(SDKTYPEFLAG)
+	-$(MKDIR) $(subst /,$(PS),$(@D))
+	$(CC) $(CC_FLAGS) $(CC_INCLUDES) -I$(OUT_COMP_INC) $(CC_DEFINES) $(CC_OUTPUT_SWITCH)$(subst /,$(PS),$@) $<
+
+$(OUT_BIN)/Draw$(EXE_EXT) : $(OUT_COMP_OBJ)/Draw.$(OBJ_EXT)
+	-$(MKDIR) $(subst /,$(PS),$(@D))
+	-$(MKDIR) $(subst /,$(PS),$(OUT_COMP_GEN))
+ifeq "$(OS)" "WIN"
+	$(LINK) $(EXE_LINK_FLAGS) /OUT:$@ /MAP:$(OUT_COMP_GEN)/$(basename $(@F)).map \
+	  $< $(CPPUHELPERLIB) $(CPPULIB) $(SALHELPERLIB) $(SALLIB)
+else
+	$(LINK) $(EXE_LINK_FLAGS) $(LINK_LIBS) -o $@ $< \
+	  $(CPPUHELPERLIB) $(CPPULIB) $(SALHELPERLIB) $(SALLIB) $(STDC++LIB)
+ifeq "$(OS)" "MACOSX"
+	$(INSTALL_NAME_URELIBS_BIN)  $@
+endif
+endif
+
+CppDrawExample : $(OUT_BIN)/Draw$(EXE_EXT)
+	@echo --------------------------------------------------------------------------------
+	@echo The example connects to the office server, create an empy documents and puts some
+	@echo   shapes on it.
+	@echo -
+	@echo Use the following command to execute the example!
+	@echo -
+	@echo $(MAKE) Draw.run
+	@echo -
+	@echo --------------------------------------------------------------------------------
+
+%.run: $(OUT_BIN)/Draw$(EXE_EXT)
+	cd $(subst /,$(PS),$(OUT_BIN)) && $(basename $@) $(ENV_OFFICE_TYPES)
+
+.PHONY: clean
+clean :
+	-$(DELRECURSIVE) $(subst /,$(PS),$(OUT_COMP_INC))
+	-$(DELRECURSIVE) $(subst /,$(PS),$(OUT_COMP_GEN))
+	-$(DELRECURSIVE) $(subst /,$(PS),$(OUT_COMP_OBJ))
+	-$(DEL) $(subst \\,\,$(subst /,$(PS),$(OUT_BIN)/Draw*))
diff --git a/odk/examples/examples.html b/odk/examples/examples.html
index 9f64489198a4..a9ccb3a824f6 100644
--- a/odk/examples/examples.html
+++ b/odk/examples/examples.html
@@ -478,9 +478,14 @@
 		  <td class="cell80">Description</td>
 		  </tr>
 		  <tr>
+		  <td class="cell20"><a href="cpp/Draw/" title="link to the source directory of the C++ Draw example">Draw</a></td>
+		  <td class="cell80">This is essentially the same as the appropriate Java
+		  example, but is implemented in C++. It does not need a running office instance.</td>
+		  </tr>
+		  <tr>
 		  <td class="cell20"><a href="cpp/DocumentLoader/" title="link to the source directory of the C++ DocumentLoader example">DocumentLoader</a></td>
 		  <td class="cell80">This component works the same as the appropriate Java
-		  example, but is implemented in C++.</td>
+		  example, but is implemented in C++. It needs a running office instance.</td>
 		  </tr>
 		  <tr>
 		  <td class="cell20"><a href="cpp/counter/" title="link to the source directory of the C++ counter example">Counter</a></td>