/src/libreoffice/svgio/inc/SvgNumber.hxx
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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 | | #pragma once |
21 | | |
22 | | #include <basegfx/range/b2drange.hxx> |
23 | | #include <vector> |
24 | | |
25 | | namespace svgio::svgreader |
26 | | { |
27 | | |
28 | | enum class NumberType |
29 | | { |
30 | | xcoordinate, |
31 | | ycoordinate, |
32 | | length |
33 | | }; |
34 | | |
35 | | class InfoProvider |
36 | | { |
37 | | public: |
38 | 29.1k | virtual ~InfoProvider() {} |
39 | | virtual basegfx::B2DRange getCurrentViewPort() const = 0; |
40 | | /// return font size of node, either set here or inherited from parents |
41 | | virtual double getCurrentFontSize() const = 0; |
42 | | /// return xheight of node, either set here or inherited from parents |
43 | | virtual double getCurrentXHeight() const = 0; |
44 | | }; |
45 | | |
46 | | enum class SvgUnit |
47 | | { |
48 | | em = 0, // relative to current font size |
49 | | ex, // relative to current x-height |
50 | | |
51 | | px, // 'user unit' |
52 | | pt, // points, 1/72 in |
53 | | pc, // 1/6 in |
54 | | cm, |
55 | | mm, |
56 | | in, |
57 | | |
58 | | percent, // relative to range |
59 | | none // for stroke-miterlimit, which has no unit |
60 | | }; |
61 | | |
62 | | class SvgNumber |
63 | | { |
64 | | private: |
65 | | double mfNumber; |
66 | | SvgUnit meUnit; |
67 | | |
68 | | bool mbSet : 1; |
69 | | |
70 | | public: |
71 | | SvgNumber() |
72 | 251k | : mfNumber(0.0), |
73 | 251k | meUnit(SvgUnit::px), |
74 | 251k | mbSet(false) |
75 | 251k | { |
76 | 251k | } |
77 | | |
78 | | SvgNumber(double fNum, SvgUnit aSvgUnit = SvgUnit::px, bool bSet = true) |
79 | 19.9k | : mfNumber(fNum), |
80 | 19.9k | meUnit(aSvgUnit), |
81 | 19.9k | mbSet(bSet) |
82 | 19.9k | { |
83 | 19.9k | } |
84 | | |
85 | | double getNumber() const |
86 | 0 | { |
87 | 0 | return mfNumber; |
88 | 0 | } |
89 | | |
90 | | SvgUnit getUnit() const |
91 | 0 | { |
92 | 0 | return meUnit; |
93 | 0 | } |
94 | | |
95 | | bool isSet() const |
96 | 6 | { |
97 | 6 | return mbSet; |
98 | 6 | } |
99 | | |
100 | | bool isPositive() const |
101 | 0 | { |
102 | 0 | return mfNumber >= 0.0; |
103 | 0 | } |
104 | | |
105 | | // Only usable in cases, when the unit is not SvgUnit::percent, otherwise use method solve |
106 | | double solveNonPercentage(const InfoProvider& rInfoProvider) const; |
107 | | |
108 | | double solve(const InfoProvider& rInfoProvider, NumberType aNumberType = NumberType::length) const; |
109 | | }; |
110 | | |
111 | | typedef std::vector<SvgNumber> SvgNumberVector; |
112 | | |
113 | | } // end of namespace svgio::svgreader |
114 | | |
115 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |