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1 /*
2  * Copyright (c) 2020-2021 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 "font/glyphs_manager.h"
17 #include "font/ui_font_builder.h"
18 #include "font/ui_font_cache_manager.h"
19 #include "gfx_utils/file.h"
20 #include "gfx_utils/graphic_log.h"
21 #include "securec.h"
22 
23 namespace OHOS {
GlyphsManager()24 GlyphsManager::GlyphsManager() : fileType_(0) {}
25 
~GlyphsManager()26 GlyphsManager::~GlyphsManager()
27 {
28     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
29         delete glyphsFiles_[i];
30         glyphsFiles_[i] = nullptr;
31     }
32 }
33 
SetFile(const char * fontName,int32_t fp,uint32_t start,uint16_t fileType)34 int8_t GlyphsManager::SetFile(const char* fontName, int32_t fp, uint32_t start, uint16_t fileType)
35 {
36     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
37         if (glyphsFiles_[i]->IsSameFile(fontName)) {
38             GRAPHIC_LOGE("GlyphsManager::SetFile font name repeat");
39             return INVALID_RET_VALUE;
40         }
41     }
42 
43     GlyphsFile* instance = new GlyphsFile();
44     if (instance == nullptr) {
45         GRAPHIC_LOGE("GlyphsManager::SetFile new failed");
46         return INVALID_RET_VALUE;
47     }
48 
49     if (instance->SetFile(fontName, fp, start) != RET_VALUE_OK) {
50         delete instance;
51         instance = nullptr;
52         return INVALID_RET_VALUE;
53     }
54 
55     glyphsFiles_.PushBack(instance);
56     fileType_ = fileType;
57     return RET_VALUE_OK;
58 }
59 
GetFontVersion(const char * fontName,char * version,uint8_t len)60 int8_t GlyphsManager::GetFontVersion(const char* fontName, char* version, uint8_t len)
61 {
62     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
63         if (glyphsFiles_[i]->GetFontVersion(fontName, version, len) == RET_VALUE_OK) {
64             return RET_VALUE_OK;
65         }
66     }
67     return INVALID_RET_VALUE;
68 }
69 
GetFontHeader(uint16_t fontId)70 const FontHeader* GlyphsManager::GetFontHeader(uint16_t fontId)
71 {
72     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
73         const FontHeader* tmp = glyphsFiles_[i]->GetFontHeader(fontId);
74         if (tmp != nullptr) {
75             return tmp;
76         }
77     }
78 
79     return nullptr;
80 }
81 
GetGlyphNodeFromFiles(uint32_t unicode,uint16_t fontId)82 const GlyphNode* GlyphsManager::GetGlyphNodeFromFiles(uint32_t unicode, uint16_t fontId)
83 {
84     int8_t ret = INVALID_RET_VALUE;
85     GlyphNode nodeInfo;
86     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
87         ret = glyphsFiles_[i]->GetNodeFromFile(unicode, fontId, nodeInfo);
88         if (ret == RET_VALUE_OK) {
89             nodeInfo.fontId = fontId;
90             break;
91         }
92     }
93 
94     if (ret != RET_VALUE_OK) {
95         return nullptr;
96     }
97 
98     GlyphCacheNode* cacheNode = UIFontCacheManager::GetInstance()->GetNodeCacheSpace(unicode, fontId);
99     if (cacheNode == nullptr) {
100         return nullptr;
101     }
102     cacheNode->node = nodeInfo;
103     cacheNode->cacheType = fileType_;
104 
105     return &(cacheNode->node);
106 }
107 
GetGlyphNode(uint32_t unicode,uint16_t fontId)108 const GlyphNode* GlyphsManager::GetGlyphNode(uint32_t unicode, uint16_t fontId)
109 {
110     GlyphCacheNode* cacheNode =
111         UIFontCacheManager::GetInstance()->GetNodeFromCache(unicode, fontId, GlyphCacheType::CACHE_TYPE_NONE);
112     if (cacheNode != nullptr) {
113         return &(cacheNode->node);
114     }
115 
116     const GlyphNode* node = const_cast<GlyphNode*>(GetGlyphNodeFromFiles(unicode, fontId));
117     if (node != nullptr) {
118         return node;
119     }
120     return nullptr;
121 }
122 
GetFontHeight(uint16_t fontId)123 int16_t GlyphsManager::GetFontHeight(uint16_t fontId)
124 {
125     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
126         int16_t height = glyphsFiles_[i]->GetFontHeight(fontId);
127         if (height != INVALID_RET_VALUE) {
128             return height;
129         }
130     }
131 
132     return INVALID_RET_VALUE;
133 }
134 
GetFontWidth(uint32_t unicode,uint16_t fontId)135 int16_t GlyphsManager::GetFontWidth(uint32_t unicode, uint16_t fontId)
136 {
137     const GlyphNode* node = GetGlyphNode(unicode, fontId);
138     if (node == nullptr) {
139         return INVALID_RET_VALUE;
140     }
141     return node->advance;
142 }
143 
GetBitmap(uint32_t unicode,BufferInfo & bufInfo,uint16_t fontId)144 int8_t GlyphsManager::GetBitmap(uint32_t unicode, BufferInfo& bufInfo, uint16_t fontId)
145 {
146     GlyphCacheNode* cacheNode = UIFontCacheManager::GetInstance()->GetNodeFromCache(unicode, fontId, fileType_);
147     if (cacheNode != nullptr && cacheNode->cacheType == fileType_) {
148         for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
149             int8_t ret = glyphsFiles_[i]->GetBitmap(cacheNode->node, bufInfo);
150             if (ret == RET_VALUE_OK) {
151                 return RET_VALUE_OK;
152             }
153         }
154     }
155 
156     GlyphNode* node = const_cast<GlyphNode*>(GetGlyphNodeFromFiles(unicode, fontId));
157     if (node == nullptr) {
158         GRAPHIC_LOGE("GlyphsManager::GetBitmap node not found");
159         return INVALID_RET_VALUE;
160     }
161 
162     for (uint16_t i = 0; i < glyphsFiles_.Size(); i++) {
163         int8_t ret = glyphsFiles_[i]->GetBitmap(*node, bufInfo);
164         if (ret == RET_VALUE_OK) {
165             return RET_VALUE_OK;
166         }
167     }
168     return INVALID_RET_VALUE;
169 }
170 } // namespace OHOS
171