1 files changed, 89 insertions, 0 deletions
diff --git a/forms/source/component/imgprod.hxx b/forms/source/component/imgprod.hxx
new file mode 100644
index 000000000..0e746eb6b
--- /dev/null
+++ b/forms/source/component/imgprod.hxx
@@ -0,0 +1,89 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <tools/link.hxx>
+#include <com/sun/star/awt/XImageConsumer.hpp>
+#include <com/sun/star/awt/XImageProducer.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <cppuhelper/weak.hxx>
+#include <memory>
+#include <vector>
+
+
+class SvStream;
+class Graphic;
+namespace com::sun::star::io { class XInputStream; }
+
+
+class ImageProducer :   public css::awt::XImageProducer,
+                        public css::lang::XInitialization,
+                        public ::cppu::OWeakObject
+{
+private:
+
+    typedef std::vector< css::uno::Reference< css::awt::XImageConsumer > > ConsumerList_t;
+
+    OUString        maURL;
+    ConsumerList_t  maConsList;
+    std::unique_ptr<Graphic>
+                    mpGraphic;
+    std::unique_ptr<SvStream>
+                    mpStm;
+    sal_uInt32      mnTransIndex;
+    bool            mbConsInit;
+    Link<Graphic*,void> maDoneHdl;
+
+    bool            ImplImportGraphic( Graphic& rGraphic );
+    void            ImplUpdateData( const Graphic& rGraphic );
+    void            ImplInitConsumer( const Graphic& rGraphic );
+    void            ImplUpdateConsumer( const Graphic& rGraphic );
+
+public:
+
+                    ImageProducer();
+                    virtual ~ImageProducer() override;
+
+    void            SetImage( const OUString& rPath );
+    void            SetImage( SvStream& rStm );
+
+    void            NewDataAvailable();
+
+    void            SetDoneHdl( const Link<Graphic*,void>& i_rHdl ) { maDoneHdl = i_rHdl; }
+
+    // css::uno::XInterface
+    css::uno::Any   SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+    void            SAL_CALL acquire() noexcept override  { OWeakObject::acquire(); }
+    void            SAL_CALL release() noexcept override  { OWeakObject::release(); }
+
+    // MT: ???
+    void            setImage( css::uno::Reference< css::io::XInputStream > const & rStmRef );
+
+    // css::awt::XImageProducer
+    void SAL_CALL addConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer ) override;
+    void SAL_CALL removeConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer ) override;
+    void SAL_CALL startProduction(  ) override;
+
+    // css::lang::XInitialization
+    void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */