summaryrefslogtreecommitdiff
path: root/vcl/inc/impfont.hxx
blob: df6ea1b0c03dd9344adf7affa913d9cfce44b737 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
/* -*- 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_VCL_INC_IMPFONT_HXX
#define INCLUDED_VCL_INC_IMPFONT_HXX

#include <rtl/ustring.hxx>
#include <tools/gen.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <tools/color.hxx>
#include <vcl/dllapi.h>
#include <vcl/vclenum.hxx>
#include <vcl/fntstyle.hxx>
#include <outfont.hxx>

// - Impl_Font -

typedef sal_uInt32 FontRefCount;

class Impl_Font
{
public:
             Impl_Font();
             Impl_Font( const Impl_Font& );

    bool     operator==( const Impl_Font& ) const;

    FontPitch           GetPitch()      { if(mePitch==PITCH_DONTKNOW)    AskConfig(); return mePitch; }
    FontFamily          GetFamily()     { if(meFamily==FAMILY_DONTKNOW)  AskConfig(); return meFamily; }
    FontItalic          GetItalic()     { if(meItalic==ITALIC_DONTKNOW)  AskConfig(); return meItalic; }
    FontWeight          GetWeight()     { if(meWeight==WEIGHT_DONTKNOW)  AskConfig(); return meWeight; }
    FontWidth           GetWidthType()  { if(meWidthType==WIDTH_DONTKNOW)AskConfig(); return meWidthType; }

private:
    friend class Font;
    void                AskConfig();

    FontRefCount        mnRefCount;
    OUString            maFamilyName;
    OUString            maStyleName;
    Size                maSize;
    Color               maColor;        // compatibility, now on output device
    Color               maFillColor;    // compatibility, now on output device
    rtl_TextEncoding    meCharSet;
    LanguageTag         maLanguageTag;
    LanguageTag         maCJKLanguageTag;
    FontFamily          meFamily;
    FontPitch           mePitch;
    TextAlign           meAlign;
    FontWeight          meWeight;
    FontWidth           meWidthType;
    FontItalic          meItalic;
    FontUnderline       meUnderline;
    FontUnderline       meOverline;
    FontStrikeout       meStrikeout;
    FontRelief          meRelief;
    FontEmphasisMark    meEmphasisMark;
    short               mnOrientation;
    FontKerning         mnKerning;
    bool                mbWordLine:1,
                        mbOutline:1,
                        mbConfigLookup:1,   // there was a config lookup
                        mbShadow:1,
                        mbVertical:1,
                        mbTransparent:1;    // compatibility, now on output device

    friend SvStream&    ReadImpl_Font( SvStream& rIStm, Impl_Font& );
    friend SvStream&    WriteImpl_Font( SvStream& rOStm, const Impl_Font& );
};

// - ImplFontMetric -

class ImplFontMetric
{
    friend class OutputDevice;

private:
    long    mnAscent;      // Ascent
    long    mnDescent;     // Descent
    long    mnIntLeading;  // Internal Leading
    long    mnExtLeading;  // External Leading
    long    mnLineHeight;  // Ascent+Descent+EmphasisMark
    long    mnSlant;       // Slant
    sal_uInt16  mnMiscFlags;   // Misc Flags
    FontRefCount mnRefCount;    // Reference Counter

    enum { DEVICE_FLAG=1, SCALABLE_FLAG=2, LATIN_FLAG=4, CJK_FLAG=8, CTL_FLAG=16 };

public:
            ImplFontMetric();
    void    AddReference();
    void    DeReference();

    long    GetAscent() const       { return mnAscent; }
    long    GetDescent() const      { return mnDescent; }
    long    GetIntLeading() const   { return mnIntLeading; }
    long    GetExtLeading() const   { return mnExtLeading; }
    long    GetLineHeight() const   { return mnLineHeight; }
    long    GetSlant() const        { return mnSlant; }

    bool    IsDeviceFont() const    { return ((mnMiscFlags & DEVICE_FLAG) != 0); }
    bool    IsScalable() const      { return ((mnMiscFlags & SCALABLE_FLAG) != 0); }
    bool    SupportsLatin() const   { return ((mnMiscFlags & LATIN_FLAG) != 0); }
    bool    SupportsCJK() const     { return ((mnMiscFlags & CJK_FLAG) != 0); }
    bool    SupportsCTL() const     { return ((mnMiscFlags & CTL_FLAG) != 0); }

    bool    operator==( const ImplFontMetric& ) const;
};

// - ImplFontOptions -

class ImplFontOptions
{
public:
    FontEmbeddedBitmap meEmbeddedBitmap; // whether the embedded bitmaps should be used
    FontAntiAlias      meAntiAlias;      // whether the font should be antialiased
    FontAutoHint       meAutoHint;       // whether the font should be autohinted
    FontHinting        meHinting;        // whether the font should be hinted
    FontHintStyle      meHintStyle;      // type of font hinting to be used
public:
    ImplFontOptions() :
        meEmbeddedBitmap(EMBEDDEDBITMAP_DONTKNOW),
        meAntiAlias(ANTIALIAS_DONTKNOW),
        meAutoHint(AUTOHINT_DONTKNOW),
        meHinting(HINTING_DONTKNOW),
        meHintStyle(HINT_SLIGHT)
    {}
    virtual ~ImplFontOptions()
    {}
    FontAutoHint GetUseAutoHint() const
        { return meAutoHint; }
    FontHintStyle GetHintStyle() const
        { return meHintStyle; }
    bool DontUseEmbeddedBitmaps() const
        { return meEmbeddedBitmap == EMBEDDEDBITMAP_FALSE; }
    bool DontUseAntiAlias() const
        { return meAntiAlias == ANTIALIAS_FALSE; }
    bool DontUseHinting() const
        { return (meHinting == HINTING_FALSE) || (GetHintStyle() == HINT_NONE); }
    virtual void *GetPattern(void * /*pFace*/, bool /*bEmbolden*/, bool /*bVerticalMetrics*/) const
        { return NULL; }
};

// - ImplFontCharMap -

class CmapResult;

class VCL_PLUGIN_PUBLIC ImplFontCharMap
{
public:
    explicit             ImplFontCharMap( const CmapResult& );
    virtual              ~ImplFontCharMap();

    static ImplFontCharMap* GetDefaultMap( bool bSymbols=false);

    bool                IsDefaultMap() const;
    bool                HasChar( sal_uInt32 ) const;
    int                 CountCharsInRange( sal_uInt32 cMin, sal_uInt32 cMax ) const;
    int                 GetCharCount() const;

    sal_uInt32          GetFirstChar() const;
    sal_uInt32          GetLastChar() const;

    sal_uInt32          GetNextChar( sal_uInt32 ) const;
    sal_uInt32          GetPrevChar( sal_uInt32 ) const;

    int                 GetIndexFromChar( sal_uInt32 ) const;
    sal_uInt32          GetCharFromIndex( int ) const;

    void                AddReference() const;
    void                DeReference() const;

    int                 GetGlyphIndex( sal_uInt32 ) const;

private:
    int                 ImplFindRangeIndex( sal_uInt32 ) const;

    // prevent assignment and copy construction
    explicit            ImplFontCharMap( const ImplFontCharMap& );
    void                operator=( const ImplFontCharMap& );

private:
    const sal_uInt32*   mpRangeCodes;     // pairs of StartCode/(EndCode+1)
    const int*          mpStartGlyphs;    // range-specific mapper to glyphs
    const sal_uInt16*       mpGlyphIds;       // individual glyphid mappings
    int                 mnRangeCount;
    int                 mnCharCount;      // covered codepoints
    mutable FontRefCount    mnRefCount;
};

// CmapResult is a normalized version of the many CMAP formats
class VCL_PLUGIN_PUBLIC CmapResult
{
public:
    explicit    CmapResult( bool bSymbolic = false,
                    const sal_uInt32* pRangeCodes = NULL, int nRangeCount = 0,
                    const int* pStartGlyphs = 0, const sal_uInt16* pGlyphIds = NULL );

    const sal_uInt32* mpRangeCodes;
    const int*        mpStartGlyphs;
    const sal_uInt16*     mpGlyphIds;
    int               mnRangeCount;
    bool              mbSymbolic;
    bool              mbRecoded;
};

bool ParseCMAP( const unsigned char* pRawData, int nRawLength, CmapResult& );

void UpdateAttributesFromPSName( const OUString& rPSName, ImplDevFontAttributes& );

#endif // INCLUDED_VCL_INC_IMPFONT_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */