1/*
2 * Copyright 2008, The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "FontCustomPlatformData.h"
28
29#include "SkTypeface.h"
30#include "SkStream.h"
31#include "SharedBuffer.h"
32#include "FontPlatformData.h"
33
34namespace WebCore {
35
36FontCustomPlatformData::FontCustomPlatformData(SkTypeface* face)
37{
38    SkSafeRef(face);
39    m_typeface = face;
40}
41
42FontCustomPlatformData::~FontCustomPlatformData()
43{
44    SkSafeUnref(m_typeface);
45    // the unref is enough to release the font data...
46}
47
48FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic,
49        FontOrientation fontOrientation, TextOrientation textOrientation, FontWidthVariant, FontRenderingMode)
50{
51    // turn bold/italic into fakeBold/fakeItalic
52    if (m_typeface != NULL) {
53        if (m_typeface->isBold() == bold)
54            bold = false;
55        if (m_typeface->isItalic() == italic)
56            italic = false;
57    }
58    return FontPlatformData(m_typeface, size, bold, italic, fontOrientation, textOrientation);
59}
60
61FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
62{
63    // pass true until we know how we can share the data, and not have to
64    // make a copy of it.
65    SkStream* stream = new SkMemoryStream(buffer->data(), buffer->size(), true);
66    SkTypeface* face = SkTypeface::CreateFromStream(stream);
67    // Release the stream.
68    stream->unref();
69    if (0 == face) {
70        SkDebugf("--------- SkTypeface::CreateFromBuffer failed %d\n",
71                 buffer->size());
72        return NULL;
73    }
74
75    SkAutoUnref aur(face);
76
77    return new FontCustomPlatformData(face);
78}
79
80bool FontCustomPlatformData::supportsFormat(const String& format)
81{
82    return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype")
83#if ENABLE(OPENTYPE_SANITIZER)
84        || equalIgnoringCase(format, "woff")
85#endif
86    ;
87}
88
89}
90