1 /*
2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "SimpleFontData.h"
31
32 #include "FontCache.h"
33 #include "FloatRect.h"
34 #include "FontDescription.h"
35 #include <wtf/MathExtras.h>
36 #include <unicode/uchar.h>
37 #include <unicode/unorm.h>
38
39 #include <wx/defs.h>
40 #include <wx/dcscreen.h>
41 #include "fontprops.h"
42
43 namespace WebCore
44 {
45
platformInit()46 void SimpleFontData::platformInit()
47 {
48 wxFont font = m_font.font();
49 wxFontProperties props = wxFontProperties(&font);
50 m_ascent = props.GetAscent();
51 m_descent = props.GetDescent();
52 m_lineSpacing = props.GetLineSpacing();
53 m_xHeight = props.GetXHeight();
54 m_unitsPerEm = 1; // FIXME!
55 m_lineGap = props.GetLineGap();
56 }
57
platformDestroy()58 void SimpleFontData::platformDestroy()
59 {
60 delete m_smallCapsFontData;
61 }
62
smallCapsFontData(const FontDescription & fontDescription) const63 SimpleFontData* SimpleFontData::smallCapsFontData(const FontDescription& fontDescription) const
64 {
65 if (!m_smallCapsFontData){
66 FontDescription desc = FontDescription(fontDescription);
67 desc.setSpecifiedSize(0.70f*fontDescription.computedSize());
68 const FontPlatformData* pdata = new FontPlatformData(desc, desc.family().family());
69 m_smallCapsFontData = new SimpleFontData(*pdata);
70 }
71 return m_smallCapsFontData;
72 }
73
containsCharacters(const UChar * characters,int length) const74 bool SimpleFontData::containsCharacters(const UChar* characters, int length) const
75 {
76 // FIXME: We will need to implement this to load non-ASCII encoding sites
77 return true;
78 }
79
determinePitch()80 void SimpleFontData::determinePitch()
81 {
82 if (m_font.font().Ok())
83 m_treatAsFixedPitch = m_font.font().IsFixedWidth();
84 else
85 m_treatAsFixedPitch = false;
86 }
87
platformWidthForGlyph(Glyph glyph) const88 float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
89 {
90 // TODO: fix this! Make GetTextExtents a method of wxFont in 2.9
91 int width = 10;
92 GetTextExtent(m_font.font(), (wxChar)glyph, &width, NULL);
93 return width;
94 }
95
96 }
97