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/* -*- 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_SW_SOURCE_CORE_INC_ASCHARANCHOREDOBJECTPOSITION_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_ASCHARANCHOREDOBJECTPOSITION_HXX
#include <anchoredobjectposition.hxx>
#include <sal/types.h>
#include <swtypes.hxx>
#include <swrect.hxx>
#include <o3tl/typed_flags_set.hxx>
class SwTextFrame;
class SwFormatVertOrient;
// flags for positioning algorithm of as-character-anchored objects
enum class AsCharFlags {
None = 0x00,
Quick = 0x01,
UlSpace = 0x02,
Init = 0x04,
Rotate = 0x08,
Reverse = 0x10,
Bidi = 0x20,
};
namespace o3tl {
template<> struct typed_flags<AsCharFlags> : is_typed_flags<AsCharFlags, 0x3f> {};
};
namespace objectpositioning
{
class SwAsCharAnchoredObjectPosition : public SwAnchoredObjectPosition
{
private:
// data to calculate object position
// Proposed anchor position, starting point for the calculation
// of the object position.
const Point& mrProposedAnchorPos;
// flags that influences the calculation of the anchor position
// AsCharFlags::Quick : quick formatting - calculated position not set at object
// AsCharFlags::UlSpace : consider upper/lower spacing - adjustment of anchor position
// AsCharFlags::Init : initial calculation
// AsCharFlags::Rotate : object is rotated by 90 degrees
// AsCharFlags::Reverse : object is reversed (rotated by 270 degrees)
// AsCharFlags::Bidi : object belongs to a BIDI-multi-portion
const AsCharFlags mnFlags;
// needed line values for the different alignments.
const SwTwips mnLineAscent;
const SwTwips mnLineDescent;
const SwTwips mnLineAscentInclObjs;
const SwTwips mnLineDescentInclObjs;
// calculated data for object position
Point maAnchorPos;
SwTwips mnRelPos;
SwRect maObjBoundRect;
// line alignment relative to line height; gives feedback for line formatting
// 0 - no line alignment, 1 - at top, 2 - at center, 3 - at bottom
sal_uInt8 mnLineAlignment;
// method to cast <SwAnchoredObjectPosition::GetAnchorFrame()>
const SwTextFrame& GetAnchorTextFrame() const;
/** determine the relative position to base line for object position
@param _ObjBoundHeight
height including corresponding spacing of the object, for which
the Y-position has to be calculated.
@param _rVert
given vertical positioning and alignment
@return relative position to the base line
*/
SwTwips GetRelPosToBase( const SwTwips _nObjBoundHeight,
const SwFormatVertOrient& _rVert );
public:
/** constructor; provided object to be positioned and needed data
for calculation of the object position
@param _rDrawObj
input parameter - object, that is be positioned.
@param _rProposedAnchorPos
proposed anchor position; starting point for the calculation
of the anchor position
@param _nFlags
flags that influences the calculation of the anchor position
AsCharFlags::Quick : quick formatting - calculated position not set at object
AsCharFlags::UlSpace : consider upper/lower spacing - adjustment of anchor position
AsCharFlags::Init : initial calculation
AsCharFlags::Rotate : object is rotated by 90 degrees
AsCharFlags::Reverse : object is reversed (rotated by 270 degrees)
AsCharFlags::Bidi : object belongs to a BIDI-multi-portion
@param _nLineAscent, _nLineDescent, _nLineAscentInclObjs,
_nLineDescentInclObjs - needed line values for the different
alignments.
*/
SwAsCharAnchoredObjectPosition( SdrObject& _rDrawObj,
const Point& _rProposedAnchorPos,
const AsCharFlags _nFlags,
const SwTwips _nLineAscent,
const SwTwips _nLineDescent,
const SwTwips _nLineAscentInclObjs,
const SwTwips _nLineDescentInclObjs );
virtual ~SwAsCharAnchoredObjectPosition();
/** calculate position for object position
members <maAnchorPos>, <mnRelPos>, <maObjBoundRect> and
<mnLineAlignment> are calculated.
calculated position is set at the given object.
*/
virtual void CalcPosition() override;
// calculated anchored position for object position type AS_CHAR
const Point& GetAnchorPos() const { return maAnchorPos;}
// calculated relative position to base line for object position type AS_CHAR
SwTwips GetRelPosY() const { return mnRelPos;}
// determined object rectangle including spacing for object position type AS_CHAR
const SwRect& GetObjBoundRectInclSpacing() const { return maObjBoundRect;}
// determined line alignment relative to line height
sal_uInt8 GetLineAlignment() const { return mnLineAlignment;}
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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