1 /*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "Resources.h"
9 #include "SkOSFile.h"
10 #include "SkTestScalerContext.h"
11 #include "SkThread.h"
12 #include "SkUtils.h"
13 #include "sk_tool_utils.h"
14
15 namespace sk_tool_utils {
16
17 #include "test_font_data.cpp"
18
release_portable_typefaces()19 static void release_portable_typefaces() {
20 // We'll clean this up in our own tests, but disable for clients.
21 // Chrome seems to have funky multi-process things going on in unit tests that
22 // makes this unsafe to delete when the main process atexit()s.
23 // SkLazyPtr does the same sort of thing.
24 #if SK_DEVELOPER
25 for (int index = 0; index < gTestFontsCount; ++index) {
26 SkTestFontData& fontData = gTestFonts[index];
27 SkSafeUnref(fontData.fFontCache);
28 }
29 #endif
30 }
31
32 SK_DECLARE_STATIC_MUTEX(gTestFontMutex);
33
create_font(const char * name,SkTypeface::Style style)34 SkTypeface* create_font(const char* name, SkTypeface::Style style) {
35 SkTestFontData* fontData = NULL;
36 const SubFont* sub;
37 if (name) {
38 for (int index = 0; index < gSubFontsCount; ++index) {
39 sub = &gSubFonts[index];
40 if (!strcmp(name, sub->fName) && sub->fStyle == style) {
41 fontData = &sub->fFont;
42 break;
43 }
44 }
45 if (!fontData) {
46 SkDebugf("missing %s %d\n", name, style);
47 return SkTypeface::CreateFromName(name, style);
48 }
49 } else {
50 sub = &gSubFonts[gDefaultFontIndex];
51 fontData = &sub->fFont;
52 }
53 SkTestFont* font;
54 {
55 SkAutoMutexAcquire ac(gTestFontMutex);
56 if (fontData->fFontCache) {
57 font = SkSafeRef(fontData->fFontCache);
58 } else {
59 font = SkNEW_ARGS(SkTestFont, (*fontData));
60 SkDEBUGCODE(font->fDebugName = sub->fName);
61 SkDEBUGCODE(font->fDebugStyle = sub->fStyle);
62 fontData->fFontCache = SkSafeRef(font);
63 atexit(release_portable_typefaces);
64 }
65 }
66 return SkNEW_ARGS(SkTestTypeface, (font, SkFontStyle(style)));
67 }
68
69
resource_font(const char * name,SkTypeface::Style style)70 SkTypeface* resource_font(const char* name, SkTypeface::Style style) {
71 const char* file = NULL;
72 if (name) {
73 for (int index = 0; index < gSubFontsCount; ++index) {
74 const SubFont& sub = gSubFonts[index];
75 if (!strcmp(name, sub.fName) && sub.fStyle == style) {
76 file = sub.fFile;
77 break;
78 }
79 }
80 if (!file) {
81 return SkTypeface::CreateFromName(name, style);
82 }
83 } else {
84 file = gSubFonts[gDefaultFontIndex].fFile;
85 }
86 SkString filepath(GetResourcePath(file));
87 if (sk_exists(filepath.c_str())) {
88 return SkTypeface::CreateFromFile(filepath.c_str());
89 }
90 return SkTypeface::CreateFromName(name, style);
91 }
92
93 #ifdef SK_DEBUG
94 #include <stdio.h>
95
96 char const * const gStyleName[] = {
97 "",
98 "_Bold",
99 "_Italic",
100 "_BoldItalic",
101 };
102
strip_spaces(const char * str)103 static SkString strip_spaces(const char* str) {
104 SkString result;
105 int count = (int) strlen(str);
106 for (int index = 0; index < count; ++index) {
107 char c = str[index];
108 if (c != ' ' && c != '-') {
109 result += c;
110 }
111 }
112 return result;
113 }
114
115 const char gHeader[] =
116 "/*\n"
117 " * Copyright 2014 Google Inc.\n"
118 " *\n"
119 " * Use of this source code is governed by a BSD-style license that can be\n"
120 " * found in the LICENSE file.\n"
121 " */\n"
122 "\n"
123 "// Auto-generated by ";
124
font_header()125 static FILE* font_header() {
126 SkString pathStr(GetResourcePath());
127 pathStr = SkOSPath::Join(pathStr.c_str(), "..");
128 pathStr = SkOSPath::Join(pathStr.c_str(), "tools");
129 pathStr = SkOSPath::Join(pathStr.c_str(), "test_font_data_chars.cpp");
130 FILE* out = fopen(pathStr.c_str(), "w");
131 fprintf(out, "%s%s\n\n", gHeader, SkOSPath::Basename(__FILE__).c_str());
132 return out;
133 }
134
report_used_chars()135 void report_used_chars() {
136 FILE* out = font_header();
137 for (int index = 0; index < gTestFontsCount; ++index) {
138 SkTestFontData& fontData = gTestFonts[index];
139 SkTestFont* font = fontData.fFontCache;
140 if (!font) {
141 continue;
142 }
143 SkString name(strip_spaces(font->debugFontName()));
144 fprintf(out, "const char g%s%s[] =\n", name.c_str(), gStyleName[font->fDebugStyle]);
145 SkString used(" \"");
146 for (int c = ' '; c <= '~'; ++c) {
147 int bitOffset = c - ' ';
148 if (font->fDebugBits[bitOffset >> 3] & (1 << (bitOffset & 7))) {
149 if (c == '"' || c == '\\') {
150 used += '\\';
151 }
152 used += c;
153 }
154 }
155 if (used.size() > 1) {
156 fprintf(out, "%s\"", used.c_str());
157 }
158 int oIndex = 0;
159 while (font->fDebugOverage[oIndex]) {
160 uint16_t uni = font->fDebugOverage[oIndex];
161 size_t byteCount = SkUTF16_ToUTF8(&uni, 1, NULL);
162 SkAutoSTMalloc<10, char> utf8(byteCount);
163 SkUTF16_ToUTF8(&uni, 1, utf8);
164 for (unsigned byteIndex = 0; byteIndex < byteCount; ++byteIndex) {
165 char unibyte = utf8[byteIndex];
166 fprintf(out, " \"\\x%02X\"", (unsigned char) unibyte);
167 }
168 if (++oIndex >= (int) sizeof(font->fDebugOverage)) {
169 break;
170 }
171 }
172 fprintf(out, ";\n");
173 }
174 fclose(out);
175 }
176 #endif
177
178 }
179