LibreOffice Module vcl (master) 1
BitmapPalette.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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11 * Licensed to the Apache Software Foundation (ASF) under one or more
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18 */
19
20#pragma once
21
22#include <vcl/dllapi.h>
23#include <vcl/BitmapColor.hxx>
24#include <vcl/checksum.hxx>
25#include <o3tl/cow_wrapper.hxx>
26
27#include <array>
28
30
32{
33 friend class SalBitmap;
34 friend class BitmapAccess;
35
36public:
37
38 SAL_DLLPRIVATE const BitmapColor* ImplGetColorBuffer() const;
39
40 SAL_DLLPRIVATE BitmapColor* ImplGetColorBuffer();
41
42 BitmapChecksum GetChecksum() const;
43
46 BitmapPalette( BitmapPalette&& ) noexcept;
47 BitmapPalette(std::initializer_list<BitmapColor> aBitmapColor);
48 template <size_t N> BitmapPalette(const std::array<BitmapColor, N>& colors);
49 explicit BitmapPalette(sal_uInt16 nCount);
51
52 BitmapPalette& operator=( const BitmapPalette& );
53 BitmapPalette& operator=( BitmapPalette&& ) noexcept;
54
55 bool operator==( const BitmapPalette& rBitmapPalette ) const;
56 bool operator!=(const BitmapPalette& rBitmapPalette) const
57 {
58 return !( *this == rBitmapPalette );
59 }
60 bool operator!() const;
61
62 sal_uInt16 GetEntryCount() const;
63 void SetEntryCount(sal_uInt16 nCount);
64
65 const BitmapColor& operator[](sal_uInt16 nIndex) const;
66 BitmapColor& operator[](sal_uInt16 nIndex);
67
68 sal_uInt16 GetBestIndex(const BitmapColor& rCol) const;
69
71 bool IsGreyPalette8Bit() const;
73 bool IsGreyPaletteAny() const;
74
76
77private:
78 BitmapPalette(const BitmapColor* first, const BitmapColor* last);
79
81};
82
83template <size_t N>
84BitmapPalette::BitmapPalette(const std::array<BitmapColor, N>& colors)
85 : BitmapPalette(colors.data(), colors.data() + N)
86{
87}
88
89/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_uInt64 BitmapChecksum
Definition: checksum.hxx:30
o3tl::cow_wrapper< ImplBitmapPalette > ImplType
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
#define N