1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "Minikin"
18
19 #include <libxml/tree.h>
20 #include <unistd.h>
21
22 #include <log/log.h>
23
24 #include "FontLanguage.h"
25 #include "MinikinFontForTest.h"
26 #include <minikin/FontCollection.h>
27 #include <minikin/FontFamily.h>
28
29 namespace minikin {
30
getFontFamilies(const char * fontDir,const char * fontXml)31 std::vector<std::shared_ptr<FontFamily>> getFontFamilies(const char* fontDir, const char* fontXml) {
32 xmlDoc* doc = xmlReadFile(fontXml, NULL, 0);
33 xmlNode* familySet = xmlDocGetRootElement(doc);
34
35 std::vector<std::shared_ptr<FontFamily>> families;
36 for (xmlNode* familyNode = familySet->children; familyNode; familyNode = familyNode->next) {
37 if (xmlStrcmp(familyNode->name, (const xmlChar*)"family") != 0) {
38 continue;
39 }
40
41 xmlChar* variantXmlch = xmlGetProp(familyNode, (const xmlChar*)"variant");
42 int variant = VARIANT_DEFAULT;
43 if (variantXmlch) {
44 if (xmlStrcmp(variantXmlch, (const xmlChar*)"elegant") == 0) {
45 variant = VARIANT_ELEGANT;
46 } else if (xmlStrcmp(variantXmlch, (const xmlChar*)"compact") == 0) {
47 variant = VARIANT_COMPACT;
48 }
49 }
50
51 std::vector<Font> fonts;
52 for (xmlNode* fontNode = familyNode->children; fontNode; fontNode = fontNode->next) {
53 if (xmlStrcmp(fontNode->name, (const xmlChar*)"font") != 0) {
54 continue;
55 }
56
57 int weight = atoi((const char*)(xmlGetProp(fontNode, (const xmlChar*)"weight"))) / 100;
58 bool italic = xmlStrcmp(
59 xmlGetProp(fontNode, (const xmlChar*)"style"), (const xmlChar*)"italic") == 0;
60 xmlChar* index = xmlGetProp(familyNode, (const xmlChar*)"index");
61
62 xmlChar* fontFileName = xmlNodeListGetString(doc, fontNode->xmlChildrenNode, 1);
63 std::string fontPath = fontDir + std::string((const char*)fontFileName);
64 xmlFree(fontFileName);
65
66 if (access(fontPath.c_str(), R_OK) != 0) {
67 ALOGW("%s is not found.", fontPath.c_str());
68 continue;
69 }
70
71 if (index == nullptr) {
72 std::shared_ptr<MinikinFont> minikinFont =
73 std::make_shared<MinikinFontForTest>(fontPath);
74 fonts.push_back(Font(minikinFont, FontStyle(weight, italic)));
75 } else {
76 std::shared_ptr<MinikinFont> minikinFont =
77 std::make_shared<MinikinFontForTest>(fontPath, atoi((const char*)index));
78 fonts.push_back(Font(minikinFont, FontStyle(weight, italic)));
79 }
80 }
81
82 xmlChar* lang = xmlGetProp(familyNode, (const xmlChar*)"lang");
83 std::shared_ptr<FontFamily> family;
84 if (lang == nullptr) {
85 family = std::make_shared<FontFamily>(variant, std::move(fonts));
86 } else {
87 uint32_t langId = FontStyle::registerLanguageList(
88 std::string((const char*)lang, xmlStrlen(lang)));
89 family = std::make_shared<FontFamily>(langId, variant, std::move(fonts));
90 }
91 families.push_back(family);
92 }
93 xmlFreeDoc(doc);
94 return families;
95 }
getFontCollection(const char * fontDir,const char * fontXml)96 std::shared_ptr<FontCollection> getFontCollection(const char* fontDir, const char* fontXml) {
97 return std::make_shared<FontCollection>(getFontFamilies(fontDir, fontXml));
98 }
99
100 } // namespace minikin
101