1 /*
2 * Copyright (C) 2008, 2009 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "third_party/blink/renderer/platform/fonts/segmented_font_data.h"
27
28 #include "third_party/blink/renderer/platform/fonts/simple_font_data.h"
29 #include "third_party/blink/renderer/platform/wtf/assertions.h"
30 #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
31
32 namespace blink {
33
FontDataForCharacter(UChar32 c) const34 const SimpleFontData* SegmentedFontData::FontDataForCharacter(UChar32 c) const {
35 auto* end = faces_.end();
36 for (auto* it = faces_.begin(); it != end; ++it) {
37 if ((*it)->Contains(c))
38 return (*it)->FontData();
39 }
40 return faces_[0]->FontData();
41 }
42
ContainsCharacter(UChar32 c) const43 bool SegmentedFontData::ContainsCharacter(UChar32 c) const {
44 auto* end = faces_.end();
45 for (auto* it = faces_.begin(); it != end; ++it) {
46 if ((*it)->Contains(c))
47 return true;
48 }
49 return false;
50 }
51
IsCustomFont() const52 bool SegmentedFontData::IsCustomFont() const {
53 // All segmented fonts are custom fonts.
54 return true;
55 }
56
IsLoading() const57 bool SegmentedFontData::IsLoading() const {
58 auto* end = faces_.end();
59 for (auto* it = faces_.begin(); it != end; ++it) {
60 if ((*it)->FontData()->IsLoading())
61 return true;
62 }
63 return false;
64 }
65
66 // Returns true if any of the sub fonts are loadingFallback.
IsLoadingFallback() const67 bool SegmentedFontData::IsLoadingFallback() const {
68 auto* end = faces_.end();
69 for (auto* it = faces_.begin(); it != end; ++it) {
70 if ((*it)->FontData()->IsLoadingFallback())
71 return true;
72 }
73 return false;
74 }
75
IsSegmented() const76 bool SegmentedFontData::IsSegmented() const {
77 return true;
78 }
79
ShouldSkipDrawing() const80 bool SegmentedFontData::ShouldSkipDrawing() const {
81 auto* end = faces_.end();
82 for (auto* it = faces_.begin(); it != end; ++it) {
83 if ((*it)->FontData()->ShouldSkipDrawing())
84 return true;
85 }
86 return false;
87 }
88
89 } // namespace blink
90