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
|
/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "StringMap.h"
#include "Glyph.h"
namespace ssf
{
template<class T>
class Cache
{
protected:
StringMapW<T> m_key2obj;
CAtlList<CStringW> m_objs;
size_t m_limit;
public:
Cache(size_t limit) {m_limit = max(1, limit);}
virtual ~Cache() {RemoveAll();}
void RemoveAll()
{
POSITION pos = m_key2obj.GetStartPosition();
while(pos) delete m_key2obj.GetNextValue(pos);
m_key2obj.RemoveAll();
m_objs.RemoveAll();
}
void Add(const CStringW& key, T& obj, bool fFlush = true)
{
if(StringMapW<T>::CPair* p = m_key2obj.Lookup(key)) delete p->m_value;
else m_objs.AddTail(key);
m_key2obj[key] = obj;
if(fFlush) Flush();
}
void Flush()
{
while(m_objs.GetCount() > m_limit)
{
CStringW key = m_objs.RemoveHead();
ASSERT(m_key2obj.Lookup(key));
delete m_key2obj[key];
m_key2obj.RemoveKey(key);
}
}
bool Lookup(const CStringW& key, T& val)
{
return m_key2obj.Lookup(key, val) && val;
}
void Invalidate(const CStringW& key)
{
T val;
if(m_key2obj.Lookup(key, val))
{
delete val;
m_key2obj[key] = NULL;
}
}
};
class FontCache : public Cache<FontWrapper*>
{
public:
FontCache() : Cache(20) {}
FontWrapper* Create(HDC hDC, const LOGFONT& lf);
};
class GlyphPathCache : public Cache<GlyphPath*>
{
public:
GlyphPathCache() : Cache(100) {}
GlyphPath* Create(HDC hDC, const FontWrapper* f, WCHAR c);
};
class Row : public CAutoPtrList<Glyph>
{
public:
int ascent, descent, border, width;
Row() {ascent = descent = border = width = 0;}
};
class RenderedSubtitle
{
public:
CRect m_spdrc;
CRect m_clip;
CAutoPtrList<Glyph> m_glyphs;
RenderedSubtitle(const CRect& spdrc, const CRect& clip) : m_spdrc(spdrc), m_clip(clip) {}
virtual ~RenderedSubtitle() {}
CRect Draw(SubPicDesc& spd) const;
};
class RenderedSubtitleCache : public Cache<RenderedSubtitle*>
{
public:
RenderedSubtitleCache() : Cache(10) {}
};
class SubRect
{
public:
CRect rect;
float layer;
SubRect() {}
SubRect(const CRect& r, float l) : rect(r), layer(l) {}
};
class SubRectAllocator : public StringMapW<SubRect>
{
CSize vs;
CRect vr;
public:
void UpdateTarget(const CSize& vs, const CRect& vr);
void GetRect(CRect& rect, const Subtitle* s, const Align& align, int tlb, int brb);
};
class Renderer
{
HDC m_hDC;
FontCache m_fc;
GlyphPathCache m_gpc;
RenderedSubtitleCache m_rsc;
SubRectAllocator m_sra;
public:
Renderer();
virtual ~Renderer();
void NextSegment(const CAutoPtrList<Subtitle>& subs);
RenderedSubtitle* Lookup(const Subtitle* s, const CSize& vs, const CRect& vr);
};
}
|
