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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 : #ifndef INCLUDED_VCL_INC_OUTFONT_HXX
21 : #define INCLUDED_VCL_INC_OUTFONT_HXX
22 :
23 : #include <rtl/ustring.hxx>
24 : #include <sal/types.h>
25 : #include <i18nlangtag/lang.h>
26 : #include <tools/solar.h>
27 : #include <vcl/dllapi.h>
28 : #include <unotools/fontdefs.hxx>
29 : #include <vcl/vclenum.hxx>
30 :
31 : #include <boost/unordered_map.hpp>
32 :
33 : class PhysicalFontFace;
34 : class PhysicalFontFamily;
35 : class ImplGetDevFontList;
36 : class ImplGetDevSizeList;
37 : class ImplFontEntry;
38 : class ImplPreMatchFontSubstitution;
39 : class ImplGlyphFallbackFontSubstitution;
40 : class FontSelectPattern;
41 : class Font;
42 : class ConvertChar;
43 : struct FontMatchStatus;
44 : class OutputDevice;
45 : class Size;
46 :
47 : namespace com { namespace sun { namespace star { namespace lang { struct Locale; }}}}
48 :
49 : // - ImplFontAttributes -
50 :
51 : // device independent font properties
52 :
53 0 : class ImplFontAttributes
54 : {
55 : public: // TODO: create matching interface class
56 0 : const OUString& GetFamilyName() const { return maName; }
57 0 : const OUString& GetStyleName() const { return maStyleName; }
58 0 : FontWeight GetWeight() const { return meWeight; }
59 0 : FontItalic GetSlant() const { return meItalic; }
60 0 : FontFamily GetFamilyType() const { return meFamily; }
61 0 : FontPitch GetPitch() const { return mePitch; }
62 0 : FontWidth GetWidthType() const { return meWidthType; }
63 0 : bool IsSymbolFont() const { return mbSymbolFlag; }
64 0 : void SetFamilyName(const OUString& sFamilyName) { maName = sFamilyName; }
65 0 : void SetStyleName( const OUString& sStyleName) { maStyleName = sStyleName; }
66 0 : void SetFamilyType(const FontFamily eFontFamily) { meFamily = eFontFamily; }
67 0 : void SetPitch(const FontPitch ePitch ) { mePitch = ePitch; }
68 0 : void SetItalic(const FontItalic eItalic ) { meItalic = eItalic; }
69 0 : void SetWeight(const FontWeight eWeight ) { meWeight = eWeight; }
70 0 : void SetWidthType(const FontWidth eWidthType) { meWidthType = eWidthType; }
71 0 : void SetSymbolFlag(const bool bSymbolFlag ) { mbSymbolFlag = bSymbolFlag; }
72 : bool operator==(const ImplFontAttributes& rOther) const;
73 0 : bool operator!=(const ImplFontAttributes& rOther) const
74 : {
75 0 : return !(*this == rOther);
76 : }
77 :
78 : private:
79 : OUString maName; // Font Family Name
80 : OUString maStyleName; // Font Style Name
81 : FontWeight meWeight; // Weight Type
82 : FontItalic meItalic; // Slant Type
83 : FontFamily meFamily; // Family Type
84 : FontPitch mePitch; // Pitch Type
85 : FontWidth meWidthType; // Width Type
86 : bool mbSymbolFlag;
87 : };
88 :
89 : // - ImplDevFontAttributes -
90 :
91 : // device dependent font properties
92 :
93 0 : class ImplDevFontAttributes : public ImplFontAttributes
94 : {
95 : public: // TODO: create matching interface class
96 : const OUString& GetAliasNames() const { return maMapNames; }
97 : int GetQuality() const { return mnQuality; }
98 : bool IsRotatable() const { return mbOrientation; }
99 : bool IsDeviceFont() const { return mbDevice; }
100 0 : bool IsEmbeddable() const { return mbEmbeddable; }
101 0 : bool IsSubsettable() const { return mbSubsettable; }
102 :
103 : public: // TODO: hide members behind accessor methods
104 : OUString maMapNames; // List of family name aliases separated with ';'
105 : int mnQuality; // Quality (used when similar fonts compete)
106 : bool mbOrientation; // true: physical font can be rotated
107 : bool mbDevice; // true: built in font
108 : bool mbSubsettable; // true: a subset of the font can be created
109 : bool mbEmbeddable; // true: the font can be embedded
110 : };
111 :
112 0 : class FontSelectPatternAttributes : public ImplFontAttributes
113 : {
114 : public:
115 : FontSelectPatternAttributes( const Font&, const OUString& rSearchName,
116 : const Size&, float fExactHeight );
117 : #ifdef WNT
118 : FontSelectPatternAttributes( const PhysicalFontFace&, const Size&,
119 : float fExactHeight, int nOrientation, bool bVertical );
120 : #endif
121 :
122 : size_t hashCode() const;
123 : bool operator==(const FontSelectPatternAttributes& rOther) const;
124 : bool operator!=(const FontSelectPatternAttributes& rOther) const
125 : {
126 : return !(*this == rOther);
127 : }
128 :
129 : public:
130 : OUString maTargetName; // name of the font name token that is chosen
131 : OUString maSearchName; // name of the font that matches best
132 : int mnWidth; // width of font in pixel units
133 : int mnHeight; // height of font in pixel units
134 : float mfExactHeight; // requested height (in pixels with subpixel details)
135 : int mnOrientation; // text orientation in 3600 system
136 : LanguageType meLanguage; // text language
137 : bool mbVertical; // vertical mode of requested font
138 : bool mbNonAntialiased; // true if antialiasing is disabled
139 :
140 : bool mbEmbolden; // Force emboldening
141 : ItalicMatrix maItalicMatrix; // Force matrix for slant
142 : };
143 :
144 0 : class FontSelectPattern : public FontSelectPatternAttributes
145 : {
146 : public:
147 : FontSelectPattern( const Font&, const OUString& rSearchName,
148 : const Size&, float fExactHeight );
149 : #ifdef WNT
150 : // ifdeffed to prevent it going into unusedcode.easy
151 : FontSelectPattern( const PhysicalFontFace&, const Size&,
152 : float fExactHeight, int nOrientation, bool bVertical );
153 : #endif
154 :
155 : public: // TODO: change to private
156 : const PhysicalFontFace* mpFontData; // a matching PhysicalFontFace object
157 : ImplFontEntry* mpFontEntry; // pointer to the resulting FontCache entry
158 : void copyAttributes(const FontSelectPatternAttributes &rAttributes);
159 : };
160 :
161 : // - ImplFontMetricData -
162 :
163 0 : class ImplFontMetricData : public ImplFontAttributes
164 : {
165 : public:
166 : explicit ImplFontMetricData( const FontSelectPattern& );
167 : void ImplInitTextLineSize( const OutputDevice* pDev );
168 : void ImplInitAboveTextLineSize();
169 :
170 : public: // TODO: hide members behind accessor methods
171 : // font instance attributes from the font request
172 : long mnWidth; // Reference Width
173 : short mnOrientation; // Rotation in 1/10 degrees
174 :
175 : // font metrics measured for the font instance
176 : long mnAscent; // Ascent
177 : long mnDescent; // Descent
178 : long mnIntLeading; // Internal Leading
179 : long mnExtLeading; // External Leading
180 : int mnSlant; // Slant (Italic/Oblique)
181 : long mnMinKashida; // Minimal width of kashida (Arabic)
182 :
183 : // font attributes queried from the font instance
184 : int meFamilyType; // Font Family Type
185 : bool mbDevice; // Flag for Device Fonts
186 : bool mbScalableFont;
187 : bool mbKernableFont;
188 :
189 : // font metrics that are usually derived from the measurements
190 : long mnUnderlineSize; // Lineheight of Underline
191 : long mnUnderlineOffset; // Offset from Underline to Baseline
192 : long mnBUnderlineSize; // Height of bold underline
193 : long mnBUnderlineOffset; // Offset from bold underline to baseline
194 : long mnDUnderlineSize; // Height of double underline
195 : long mnDUnderlineOffset1; // Offset from double underline to baseline
196 : long mnDUnderlineOffset2; // Offset from double underline to baseline
197 : long mnWUnderlineSize; // Height of WaveLine underline
198 : long mnWUnderlineOffset; // Offset from WaveLine underline to baseline, but centrered to WaveLine
199 : long mnAboveUnderlineSize; // Height of single underline (for Vertical Right)
200 : long mnAboveUnderlineOffset; // Offset from single underline to baseline (for Vertical Right)
201 : long mnAboveBUnderlineSize; // Height of bold underline (for Vertical Right)
202 : long mnAboveBUnderlineOffset; // Offset from bold underline to baseline (for Vertical Right)
203 : long mnAboveDUnderlineSize; // Height of double underline (for Vertical Right)
204 : long mnAboveDUnderlineOffset1; // Offset from double underline to baseline (for Vertical Right)
205 : long mnAboveDUnderlineOffset2; // Offset from double underline to baseline (for Vertical Right)
206 : long mnAboveWUnderlineSize; // Height of WaveLine-strike-out (for Vertical Right)
207 : long mnAboveWUnderlineOffset; // Offset from WaveLine-strike-out to baseline, but centrered to to WaveLine (for Vertical Right)
208 : long mnStrikeoutSize; // Height of single strike-out
209 : long mnStrikeoutOffset; // Offset from single strike-out to baseline
210 : long mnBStrikeoutSize; // Height of bold strike-out
211 : long mnBStrikeoutOffset; // Offset of bold strike-out to baseline
212 : long mnDStrikeoutSize; // Height of double strike-out
213 : long mnDStrikeoutOffset1; // Offset of double strike-out to baseline
214 : long mnDStrikeoutOffset2; // Offset of double strike-out to baseline
215 : };
216 :
217 : // - ImplFontEntry -
218 :
219 : // TODO: rename ImplFontEntry to LogicalFontInstance
220 : // TODO: allow sharing of metrics for related fonts
221 :
222 : class VCL_PLUGIN_PUBLIC ImplFontEntry
223 : {
224 : public:
225 : explicit ImplFontEntry( const FontSelectPattern& );
226 : virtual ~ImplFontEntry();
227 :
228 : public: // TODO: make data members private
229 : FontSelectPattern maFontSelData; // FontSelectionData
230 : ImplFontMetricData maMetric; // Font Metric
231 : const ConvertChar* mpConversion; // used e.g. for StarBats->StarSymbol
232 : long mnLineHeight;
233 : sal_uLong mnRefCount;
234 : sal_uInt16 mnSetFontFlags; // Flags returned by SalGraphics::SetFont()
235 : short mnOwnOrientation; // text angle if lower layers don't rotate text themselves
236 : short mnOrientation; // text angle in 3600 system
237 : bool mbInit; // true if maMetric member is valid
238 :
239 : void AddFallbackForUnicode( sal_UCS4, FontWeight eWeight, const OUString& rFontName );
240 : bool GetFallbackForUnicode( sal_UCS4, FontWeight eWeight, OUString* pFontName ) const;
241 : void IgnoreFallbackForUnicode( sal_UCS4, FontWeight eWeight, const OUString& rFontName );
242 :
243 : private:
244 : // cache of Unicode characters and replacement font names
245 : // TODO: a fallback map can be shared with many other ImplFontEntries
246 : // TODO: at least the ones which just differ in orientation, stretching or height
247 : typedef ::std::pair<sal_UCS4,FontWeight> GFBCacheKey;
248 : struct GFBCacheKey_Hash{ size_t operator()( const GFBCacheKey& ) const; };
249 : typedef ::boost::unordered_map<GFBCacheKey,OUString,GFBCacheKey_Hash> UnicodeFallbackList;
250 : UnicodeFallbackList* mpUnicodeFallbackList;
251 : };
252 :
253 : class ImplTextLineInfo
254 : {
255 : private:
256 : long mnWidth;
257 : sal_Int32 mnIndex;
258 : sal_Int32 mnLen;
259 :
260 : public:
261 0 : ImplTextLineInfo( long nWidth, sal_Int32 nIndex, sal_Int32 nLen )
262 : {
263 0 : if(nIndex == -1 || nIndex == 0x0FFFF || nLen == -1 || nLen == 0x0FFFF)
264 : {
265 : SAL_INFO("sal.rtl.xub",
266 : "ImplTextLine Info Suspicious arguments nIndex:" << nIndex << " nLen:" << nLen);
267 : }
268 0 : mnWidth = nWidth;
269 0 : mnIndex = nIndex;
270 0 : mnLen = nLen;
271 0 : }
272 :
273 0 : long GetWidth() const { return mnWidth; }
274 0 : sal_Int32 GetIndex() const { return mnIndex; }
275 0 : sal_Int32 GetLen() const { return mnLen; }
276 : };
277 :
278 : #define MULTITEXTLINEINFO_RESIZE 16
279 : typedef ImplTextLineInfo* PImplTextLineInfo;
280 :
281 : class ImplMultiTextLineInfo
282 : {
283 : private:
284 : PImplTextLineInfo* mpLines;
285 : sal_Int32 mnLines;
286 : sal_Int32 mnSize;
287 :
288 : public:
289 : ImplMultiTextLineInfo();
290 : ~ImplMultiTextLineInfo();
291 :
292 : void AddLine( ImplTextLineInfo* pLine );
293 : void Clear();
294 :
295 0 : ImplTextLineInfo* GetLine( sal_uInt16 nLine ) const
296 0 : { return mpLines[nLine]; }
297 0 : sal_Int32 Count() const { return mnLines; }
298 :
299 : private:
300 : ImplMultiTextLineInfo( const ImplMultiTextLineInfo& );
301 : ImplMultiTextLineInfo& operator=( const ImplMultiTextLineInfo& );
302 : };
303 :
304 : #endif // INCLUDED_VCL_INC_OUTFONT_HXX
305 :
306 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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