1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "variant_font_style_set.h"
17
18 #include "texgine_exception.h"
19 #include "texgine/utils/exlog.h"
20
21 namespace OHOS {
22 namespace Rosen {
23 namespace TextEngine {
VariantFontStyleSet(const std::shared_ptr<TexgineFontStyleSet> & tfss)24 VariantFontStyleSet::VariantFontStyleSet(const std::shared_ptr<TexgineFontStyleSet> &tfss) noexcept(true): tfss_(tfss)
25 {
26 }
27
VariantFontStyleSet(const std::shared_ptr<DynamicFontStyleSet> & dfss)28 VariantFontStyleSet::VariantFontStyleSet(const std::shared_ptr<DynamicFontStyleSet> &dfss) noexcept(true): dfss_(dfss)
29 {
30 }
31
VariantFontStyleSet(std::shared_ptr<TexgineFontStyleSet> & tfss)32 VariantFontStyleSet::VariantFontStyleSet(
33 std::shared_ptr<TexgineFontStyleSet> &tfss) noexcept(true): tfss_(std::move(tfss))
34 {
35 }
36
VariantFontStyleSet(std::shared_ptr<DynamicFontStyleSet> & dfss)37 VariantFontStyleSet::VariantFontStyleSet(
38 std::shared_ptr<DynamicFontStyleSet> &dfss) noexcept(true): dfss_(std::move(dfss))
39 {
40 }
41
VariantFontStyleSet(std::nullptr_t)42 VariantFontStyleSet::VariantFontStyleSet(std::nullptr_t) noexcept(true)
43 {
44 }
45
TryToTexgineFontStyleSet() const46 std::shared_ptr<TexgineFontStyleSet> VariantFontStyleSet::TryToTexgineFontStyleSet() const noexcept(false)
47 {
48 CheckPointer(true);
49 return tfss_;
50 }
51
TryToDynamicFontStyleSet() const52 std::shared_ptr<DynamicFontStyleSet> VariantFontStyleSet::TryToDynamicFontStyleSet() const noexcept(false)
53 {
54 CheckPointer(true);
55 return dfss_;
56 }
57
Count()58 int VariantFontStyleSet::Count()
59 {
60 CheckPointer();
61 if (tfss_) {
62 return tfss_->Count();
63 }
64
65 if (dfss_) {
66 return dfss_->Count();
67 }
68
69 return 0;
70 }
71
GetStyle(int index,std::shared_ptr<TexgineFontStyle> style,std::shared_ptr<TexgineString> name)72 void VariantFontStyleSet::GetStyle(int index, std::shared_ptr<TexgineFontStyle> style,
73 std::shared_ptr<TexgineString> name)
74 {
75 CheckPointer();
76 if (tfss_) {
77 return tfss_->GetStyle(index, style, name);
78 }
79
80 if (dfss_) {
81 return dfss_->GetStyle(index, style, name);
82 }
83 }
84
CreateTypeface(int index)85 std::shared_ptr<TexgineTypeface> VariantFontStyleSet::CreateTypeface(int index)
86 {
87 CheckPointer();
88 if (tfss_) {
89 return tfss_->CreateTypeface(index);
90 }
91
92 if (dfss_) {
93 return dfss_->CreateTypeface(index);
94 }
95
96 return nullptr;
97 }
98
MatchStyle(std::shared_ptr<TexgineFontStyle> pattern)99 std::shared_ptr<TexgineTypeface> VariantFontStyleSet::MatchStyle(std::shared_ptr<TexgineFontStyle> pattern)
100 {
101 CheckPointer();
102 if (tfss_) {
103 return tfss_->MatchStyle(pattern);
104 }
105
106 if (dfss_) {
107 return dfss_->MatchStyle(pattern);
108 }
109
110 return nullptr;
111 }
112
CheckPointer(bool nullable) const113 void VariantFontStyleSet::CheckPointer(bool nullable) const noexcept(false)
114 {
115 if (!nullable && tfss_ == nullptr && dfss_ == nullptr) {
116 throw TEXGINE_EXCEPTION(NULLPTR);
117 }
118
119 if (tfss_ != nullptr && dfss_ != nullptr) {
120 throw TEXGINE_EXCEPTION(ERROR_STATUS);
121 }
122 }
123 } // namespace TextEngine
124 } // namespace Rosen
125 } // namespace OHOS
126