summaryrefslogtreecommitdiffstats
path: root/ksvg/impl/libs/libtext2path/src/Converter.h
blob: d6e19521307923e2c7417218aab7858a943bba68 (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
/*
    Copyright (C) 2003 Nikolas Zimmermann <[email protected]>
    This file is part of the KDE project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    aint with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef T2P_CONVERTER_H
#define T2P_CONVERTER_H

#include "Cache.h"

// FreeType 2 includes
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_OUTLINE_H
#include FT_GLYPH_H

namespace T2P
{
	class BezierPath;

	class Font;
	class Glyph;
	class Affine;
	class GlyphSet;
	class Rectangle;
	class GlyphTracer;
	class GlyphAffinePair;
	class FontVisualParams;
	class GlyphLayoutParams;
	class GlyphRenderParams;

	typedef myboost::shared_ptr<Font> SharedFont;
	typedef myboost::shared_ptr<Glyph> SharedGlyph;

	class Converter
	{
	public:
		Converter(GlyphTracer *tracer);
		~Converter();
	
		// Is initialized? 
		void init();
		bool ready();

		// Kerning control
		void setKerning(bool mode);

		SharedFont requestFont(const FontVisualParams *params);
		GlyphAffinePair *requestGlyph(GlyphRenderParams *params, Rectangle &bbox, Affine &affine, bool onlyLatin);

		GlyphSet *calcString(Font *font, const unsigned short *text, unsigned int length, Affine &affine, const GlyphLayoutParams *params, BezierPath *bpath = 0);
		SharedGlyph calcGlyph(const GlyphRenderParams *params, Affine &affine, bool onlyLatin);
	
		void selectGlyph(GlyphRenderParams *params);

	protected:
		friend class Font;
		
		// Internal
		FT_Library library() { return m_library; }
	
	private:
		std::string cacheFontKey(const FontVisualParams *params) const;
		std::string cacheGlyphKey(const GlyphRenderParams *params) const;

		FT_Library m_library;

		GlyphTracer *m_glyphTracer;

		Cache<Glyph> m_glyphCache;
		Cache<Font> m_fontCache;
	
		bool m_init, m_kerning;
	};
}

#endif

// vim:ts=4:noet