summaryrefslogtreecommitdiffstats
path: root/vcl/inc/implimagetree.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'vcl/inc/implimagetree.hxx')
-rw-r--r--vcl/inc/implimagetree.hxx169
1 files changed, 169 insertions, 0 deletions
diff --git a/vcl/inc/implimagetree.hxx b/vcl/inc/implimagetree.hxx
new file mode 100644
index 0000000000..beecb233e1
--- /dev/null
+++ b/vcl/inc/implimagetree.hxx
@@ -0,0 +1,169 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_VCL_INC_IMPLIMAGETREE_HXX
+#define INCLUDED_VCL_INC_IMPLIMAGETREE_HXX
+
+#include <sal/config.h>
+
+#include <memory>
+#include <unordered_map>
+#include <utility>
+#include <vector>
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <rtl/ustring.hxx>
+#include <vcl/bitmapex.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <vcl/ImageTree.hxx>
+
+namespace com::sun::star::container {
+ class XNameAccess;
+}
+
+namespace com::sun::star::io {
+ class XInputStream;
+}
+
+struct ImageRequestParameters
+{
+ OUString msName;
+ OUString msStyle;
+ BitmapEx& mrBitmap;
+ bool mbLocalized;
+ ImageLoadFlags meFlags;
+ bool mbWriteImageToCache;
+ sal_Int32 mnScalePercentage;
+
+ ImageRequestParameters(OUString aName, OUString aStyle, BitmapEx& rBitmap, bool bLocalized,
+ ImageLoadFlags eFlags, sal_Int32 nScalePercentage)
+ : msName(std::move(aName))
+ , msStyle(std::move(aStyle))
+ , mrBitmap(rBitmap)
+ , mbLocalized(bLocalized)
+ , meFlags(eFlags)
+ , mbWriteImageToCache(false)
+ , mnScalePercentage(nScalePercentage)
+ {}
+
+ bool convertToDarkTheme();
+ sal_Int32 scalePercentage();
+};
+
+class ImplImageTree
+{
+public:
+ ImplImageTree();
+ ~ImplImageTree();
+
+ OUString getImageUrl(
+ OUString const & name, OUString const & style, OUString const & lang);
+
+ css::uno::Reference<css::io::XInputStream> getImageXInputStream(OUString const & rName,
+ OUString const & rStyle, OUString const & rLang);
+
+ std::shared_ptr<SvMemoryStream> getImageStream(
+ OUString const & rName, OUString const & rStyle, OUString const & rLang);
+
+ bool loadImage(
+ OUString const & name, OUString const & style,
+ BitmapEx & bitmap, bool localized,
+ const ImageLoadFlags eFlags,
+ sal_Int32 nScalePercentage = -1);
+
+ /** a crude form of life cycle control (called from DeInitVCL; otherwise,
+ * if the ImplImageTree singleton were destroyed during exit that would
+ * be too late for the destructors of the bitmaps in maIconCache)*/
+ void shutdown();
+
+ css::uno::Reference< css::container::XNameAccess > const & getNameAccess();
+
+private:
+ ImplImageTree(const ImplImageTree&) = delete;
+ ImplImageTree& operator=(const ImplImageTree&) = delete;
+
+ typedef std::unordered_map<OUString, std::pair<bool,BitmapEx>> IconCache;
+ typedef std::unordered_map<sal_Int32, IconCache> ScaledIconCache;
+ typedef std::unordered_map<OUString, OUString> IconLinkHash;
+
+ struct IconSet
+ {
+ OUString maURL;
+ css::uno::Reference<css::container::XNameAccess> maNameAccess;
+ ScaledIconCache maScaledIconCaches;
+ IconLinkHash maLinkHash;
+
+ IconSet()
+ {
+ maLinkHash.reserve(50);
+ }
+
+ IconSet(OUString aURL)
+ : maURL(std::move(aURL))
+ {
+ maLinkHash.reserve(50);
+ }
+ };
+
+ /// Remember all the (used) icon styles and individual icons in them.
+ /// Map between the theme name(s) and the content.
+ std::unordered_map<OUString, IconSet> maIconSets;
+
+ /// Style used for the current operations; switches switch several times during fallback search.
+ OUString maCurrentStyle;
+
+ IconSet& getCurrentIconSet()
+ {
+ return maIconSets[maCurrentStyle];
+ }
+
+ bool doLoadImage(ImageRequestParameters& rParameters);
+
+ std::vector<OUString> getPaths(OUString const & name, LanguageTag const & rLanguageTag);
+
+ bool checkPathAccess();
+
+ void setStyle(OUString const & rStyle);
+
+ void createStyle();
+
+ IconCache &getIconCache(const ImageRequestParameters& rParameters);
+
+ bool iconCacheLookup(ImageRequestParameters& rParameters);
+
+ bool findImage(std::vector<OUString> const & rPaths, ImageRequestParameters& rParameters);
+
+ void loadImageLinks();
+
+ void parseLinkFile(std::shared_ptr<SvStream> const & aStream);
+
+ /// Return name of a real .png according to links.txt.
+ OUString const & getRealImageName(OUString const & rName);
+
+
+ /** Return name of the fallback style for the provided one.
+
+ Must not be cyclic :-) The last theme in the chain returns an empty string.
+ */
+ static OUString fallbackStyle(std::u16string_view rStyle);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */