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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 .
*/
#pragma once
#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
#include <drawinglayer/attribute/lineattribute.hxx>
#include <drawinglayer/attribute/strokeattribute.hxx>
enum class SvxBorderLineStyle : sal_Int16;
namespace drawinglayer::primitive2d
{
/** BorderLine class
Helper class holding the style definition for a single part of a full BorderLine definition.
Line extends are for start/end and for Left/Right, seen in vector direction. If
Left != Right that means the line has a diagonal start/end.
Think about it similar to a trapezoid, but not aligned to X-Axis and using the
perpendicular vector to the given one in a right-handed coordinate system.
*/
class DRAWINGLAYER_DLLPUBLIC BorderLine
{
private:
// line attribute containing Width, Color and others
drawinglayer::attribute::LineAttribute maLineAttribute;
// line extends
double mfStartLeft;
double mfStartRight;
double mfEndLeft;
double mfEndRight;
// if this is a gap, this is set to true
bool mbIsGap;
public:
// Constructor for visible BorderLine segments
BorderLine(const drawinglayer::attribute::LineAttribute& rLineAttribute,
double fStartLeft = 0.0, double fStartRight = 0.0, double fEndLeft = 0.0,
double fEndRight = 0.0);
// Constructor for gap BorderLine segments
BorderLine(double fWidth);
~BorderLine();
BorderLine(BorderLine const&) = default;
BorderLine(BorderLine&&) = default;
BorderLine& operator=(BorderLine const&) = default;
BorderLine& operator=(BorderLine&&) = default;
const drawinglayer::attribute::LineAttribute& getLineAttribute() const
{
return maLineAttribute;
}
double getStartLeft() const { return mfStartLeft; }
double getStartRight() const { return mfStartRight; }
double getEndLeft() const { return mfEndLeft; }
double getEndRight() const { return mfEndRight; }
bool isGap() const { return mbIsGap; }
/// compare operator
bool operator==(const BorderLine& rBorderLine) const;
};
/** BorderLinePrimitive2D class
This is the basic primitive to build frames around objects, e.g. tables.
It defines a single or double line from Start to End using the LeftWidth,
Distance and RightWidth definitions.
The LineStart/End overlap is defined in the BorderLines definitions (see
class BorderLine above).
*/
class DRAWINGLAYER_DLLPUBLIC BorderLinePrimitive2D final : public BufferedDecompositionPrimitive2D
{
private:
/// the line definition
basegfx::B2DPoint maStart;
basegfx::B2DPoint maEnd;
/// the single BorderLine style definition(s), one or three mostly used
std::vector<BorderLine> maBorderLines;
/// common style definitions
const drawinglayer::attribute::StrokeAttribute maStrokeAttribute;
/// create local decomposition
virtual void
create2DDecomposition(Primitive2DContainer& rContainer,
const geometry::ViewInformation2D& rViewInformation) const override;
/// helper to get the full width from maBorderLines
double getFullWidth() const;
public:
/// simplified constructor for BorderLine with single edge
BorderLinePrimitive2D(const basegfx::B2DPoint& rStart, const basegfx::B2DPoint& rEnd,
const std::vector<BorderLine>& rBorderLines,
const drawinglayer::attribute::StrokeAttribute& rStrokeAttribute);
/// data read access
const basegfx::B2DPoint& getStart() const { return maStart; }
const basegfx::B2DPoint& getEnd() const { return maEnd; }
const std::vector<BorderLine>& getBorderLines() const { return maBorderLines; }
const drawinglayer::attribute::StrokeAttribute& getStrokeAttribute() const
{
return maStrokeAttribute;
}
/// helper to decide if AntiAliasing should be used
bool isHorizontalOrVertical(const geometry::ViewInformation2D& rViewInformation) const;
/// compare operator
virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
/// provide unique ID
virtual sal_uInt32 getPrimitive2DID() const override;
};
/// helper to try to merge two instances of BorderLinePrimitive2D. If it was possible,
/// a merged version is in the returned Primitive2DReference. Lots of preconditions
/// have to be met to allow that, see implementation (and maybe even expand)
Primitive2DReference DRAWINGLAYER_DLLPUBLIC tryMergeBorderLinePrimitive2D(
const BorderLinePrimitive2D* pCandidateA, const BorderLinePrimitive2D* pCandidateB);
} // end of namespace drawinglayer::primitive2d
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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