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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 INCLUDED_SW_SOURCE_CORE_INC_ASCHARANCHOREDOBJECTPOSITION_HXX
21 : #define INCLUDED_SW_SOURCE_CORE_INC_ASCHARANCHOREDOBJECTPOSITION_HXX
22 :
23 : #include <anchoredobjectposition.hxx>
24 : #include <sal/types.h>
25 : #include <swtypes.hxx>
26 : #include <swrect.hxx>
27 :
28 : class SwTextFrm;
29 : class SwFormatVertOrient;
30 :
31 : namespace objectpositioning
32 : {
33 : // flags for positioning algorithm of as-character-anchored objects
34 : typedef sal_uInt8 AsCharFlags;
35 : #define AS_CHAR_NOFLAG 0
36 : #define AS_CHAR_QUICK 1
37 : #define AS_CHAR_ULSPACE 2
38 : #define AS_CHAR_INIT 4
39 : #define AS_CHAR_ROTATE 8
40 : #define AS_CHAR_REVERSE 16
41 : #define AS_CHAR_BIDI 32
42 :
43 : class SwAsCharAnchoredObjectPosition : public SwAnchoredObjectPosition
44 : {
45 : private:
46 : // data to calculate object position
47 : // Proposed anchor position, starting point for the calculation
48 : // of the object position.
49 : const Point& mrProposedAnchorPos;
50 : // flags that influences the calculation of the anchor position
51 : // AS_CHAR_QUICK : quick formatting - calculated position not set at object
52 : // AS_CHAR_ULSPACE : consider upper/lower spacing - adjustment of anchor position
53 : // AS_CHAR_INIT : initial calculation
54 : // AS_CHAR_ROTATE : object is rotated by 90 degrees
55 : // AS_CHAR_REVERSE : object is reversed (rotated by 270 degrees)
56 : // AS_CHAR_BIDI : object belongs to a BIDI-multi-portion
57 : const AsCharFlags mnFlags;
58 : // needed line values for the different alignments.
59 : const SwTwips mnLineAscent;
60 : const SwTwips mnLineDescent;
61 : const SwTwips mnLineAscentInclObjs;
62 : const SwTwips mnLineDescentInclObjs;
63 :
64 : // calculated data for object position
65 : Point maAnchorPos;
66 : SwTwips mnRelPos;
67 : SwRect maObjBoundRect;
68 : // line alignment relative to line height; gives feedback for line formatting
69 : // 0 - no line alignment, 1 - at top, 2 - at center, 3 - at bottom
70 : sal_uInt8 mnLineAlignment;
71 :
72 : // method to cast <SwAnchoredObjectPosition::GetAnchorFrm()>
73 : const SwTextFrm& GetAnchorTextFrm() const;
74 :
75 : /** determine the relative position to base line for object position
76 :
77 : @param _ObjBoundHeight
78 : height including corresponding spacing of the object, for which
79 : the Y-position has to be calculated.
80 :
81 : @param _rVert
82 : given vertical positioning and alignment
83 :
84 : @return relative position to the base line
85 : */
86 : SwTwips _GetRelPosToBase( const SwTwips _nObjBoundHeight,
87 : const SwFormatVertOrient& _rVert );
88 :
89 : public:
90 : /** construtor; provided object to be positioned and needed data
91 : for calculation of the object position
92 :
93 : @param _rDrawObj
94 : input parameter - object, that is be positioned.
95 :
96 : @param _rProposedAnchorPos
97 : proposed anchor position; starting point for the calculation
98 : of the anchor position
99 :
100 : @param _nFlags
101 : flags that influences the calculation of the anchor position
102 : AS_CHAR_QUICK : quick formatting - calculated position not set at object
103 : AS_CHAR_ULSPACE : consider upper/lower spacing - adjustment of anchor position
104 : AS_CHAR_INIT : initial calculation
105 : AS_CHAR_ROTATE : object is rotated by 90 degrees
106 : AS_CHAR_REVERSE : object is reversed (rotated by 270 degrees)
107 : AS_CHAR_BIDI : object belongs to a BIDI-multi-portion
108 :
109 : @param _nLineAscent, _nLineDescent, _nLineAscentInclObjs,
110 : _nLineDescentInclObjs - needed line values for the different
111 : alignments.
112 : */
113 : SwAsCharAnchoredObjectPosition( SdrObject& _rDrawObj,
114 : const Point& _rProposedAnchorPos,
115 : const AsCharFlags _nFlags,
116 : const SwTwips _nLineAscent,
117 : const SwTwips _nLineDescent,
118 : const SwTwips _nLineAscentInclObjs,
119 : const SwTwips _nLineDescentInclObjs );
120 : virtual ~SwAsCharAnchoredObjectPosition();
121 :
122 : /** calculate position for object position
123 :
124 : members <maAnchorPos>, <mnRelPos>, <maObjBoundRect> and
125 : <mnLineAlignment> are calculated.
126 : calculated position is set at the given object.
127 : */
128 : virtual void CalcPosition() SAL_OVERRIDE;
129 :
130 : // calculated anchored position for object position type AS_CHAR
131 7116 : const Point& GetAnchorPos() const { return maAnchorPos;}
132 :
133 : // calculated relative position to base line for object position type AS_CHAR
134 7116 : SwTwips GetRelPosY() const { return mnRelPos;}
135 :
136 : // determined object rectangle including spacing for object position type AS_CHAR
137 7116 : const SwRect& GetObjBoundRectInclSpacing() const { return maObjBoundRect;}
138 :
139 : // determined line alignment relative to line height
140 7116 : sal_uInt8 GetLineAlignment() const { return mnLineAlignment;}
141 : };
142 : }
143 :
144 : #endif
145 :
146 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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