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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef OOX_DRAWINGML_CHART_CHARTDRAWINGFRAGMENT_HXX
21 : #define OOX_DRAWINGML_CHART_CHARTDRAWINGFRAGMENT_HXX
22 :
23 : #include "oox/core/fragmenthandler2.hxx"
24 : #include "oox/drawingml/shape.hxx"
25 :
26 : namespace oox {
27 : namespace drawingml {
28 : namespace chart {
29 :
30 : // ============================================================================
31 :
32 : /** Relative shape position in a chart object. */
33 : struct AnchorPosModel
34 : {
35 : double mfX; /// X coordinate relative to chart object (0.0 to 1.0).
36 : double mfY; /// Y coordinate relative to chart object (0.0 to 1.0).
37 :
38 0 : inline explicit AnchorPosModel() : mfX( -1.0 ), mfY( -1.0 ) {}
39 0 : inline bool isValid() const { return (0.0 <= mfX) && (mfX <= 1.0) && (0.0 <= mfY) && (mfY <= 1.0); }
40 : };
41 :
42 : // ----------------------------------------------------------------------------
43 :
44 : /** Absolute shape size in a chart object (in EMUs). */
45 : struct AnchorSizeModel : public EmuSize
46 : {
47 0 : inline explicit AnchorSizeModel() : EmuSize( -1, -1 ) {}
48 0 : inline bool isValid() const { return (Width >= 0) && (Height >= 0); }
49 : };
50 :
51 : // ============================================================================
52 :
53 : /** Contains the position of a shape in the chart object. Supports different
54 : shape anchor modes (absolute, relative).
55 : */
56 : class ShapeAnchor
57 : {
58 : public:
59 : explicit ShapeAnchor( bool bRelSize );
60 :
61 : /** Imports the absolute anchor size from the cdr:ext element. */
62 : void importExt( const AttributeList& rAttribs );
63 : /** Sets an the relative anchor position from the cdr:from or cdr:to element. */
64 : void setPos( sal_Int32 nElement, sal_Int32 nParentContext, const ::rtl::OUString& rValue );
65 :
66 : /** Calculates the resulting shape anchor in EMUs. */
67 : EmuRectangle calcAnchorRectEmu( const EmuRectangle& rChartRect ) const;
68 :
69 : private:
70 : AnchorPosModel maFrom; /// Top-left position relative to chart object.
71 : AnchorPosModel maTo; /// Bottom-right position relative to chart object.
72 : AnchorSizeModel maSize; /// Shape size, if anchor has absolute size.
73 : bool mbRelSize; /// True = relative size, false = absolute size.
74 : };
75 :
76 : typedef ::boost::shared_ptr< ShapeAnchor > ShapeAnchorRef;
77 :
78 : // ============================================================================
79 :
80 : /** Handler for a chart drawing fragment (c:userShapes root element).
81 : */
82 : class ChartDrawingFragment : public ::oox::core::FragmentHandler2
83 : {
84 : public:
85 : explicit ChartDrawingFragment(
86 : ::oox::core::XmlFilterBase& rFilter,
87 : const ::rtl::OUString& rFragmentPath,
88 : const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >& rxDrawPage,
89 : const ::com::sun::star::awt::Size& rChartSize,
90 : const ::com::sun::star::awt::Point& rShapesOffset,
91 : bool bOleSupport );
92 : virtual ~ChartDrawingFragment();
93 :
94 : virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs );
95 : virtual void onCharacters( const ::rtl::OUString& rChars );
96 : virtual void onEndElement();
97 :
98 : private:
99 : ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes >
100 : mxDrawPage; /// Drawing page of this sheet.
101 : ::oox::drawingml::ShapePtr mxShape; /// Current top-level shape.
102 : ShapeAnchorRef mxAnchor; /// Current anchor of top-level shape.
103 : EmuRectangle maChartRectEmu; /// Position and size of the chart object for embedded shapes (in EMUs).
104 : bool mbOleSupport; /// True = allow to insert OLE objects into the drawing page.
105 : };
106 :
107 : // ============================================================================
108 :
109 : } // namespace chart
110 : } // namespace drawingml
111 : } // namespace oox
112 :
113 : #endif
114 :
115 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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