1 /*
2 * Copyright 2013 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 "SkCommandLineFlags.h"
9 #include "SkFontMgr.h"
10 #include "SkTypeface.h"
11 #include "Test.h"
12
13 #include "SkFont.h"
14 #include "SkPaint.h"
test_font(skiatest::Reporter * reporter)15 static void test_font(skiatest::Reporter* reporter) {
16 uint32_t flags = 0;
17 SkAutoTUnref<SkFont> font(SkFont::Create(NULL, 24, SkFont::kA8_MaskType, flags));
18
19 REPORTER_ASSERT(reporter, NULL != font->getTypeface());
20 REPORTER_ASSERT(reporter, 24 == font->getSize());
21 REPORTER_ASSERT(reporter, 1 == font->getScaleX());
22 REPORTER_ASSERT(reporter, 0 == font->getSkewX());
23 REPORTER_ASSERT(reporter, SkFont::kA8_MaskType == font->getMaskType());
24
25 uint16_t glyphs[5];
26 sk_bzero(glyphs, sizeof(glyphs));
27
28 int count = font->textToGlyphs("Hello", 5, kUTF8_SkTextEncoding, glyphs, SK_ARRAY_COUNT(glyphs));
29
30 REPORTER_ASSERT(reporter, 5 == count);
31 for (int i = 0; i < count; ++i) {
32 REPORTER_ASSERT(reporter, 0 != glyphs[i]);
33 }
34 REPORTER_ASSERT(reporter, glyphs[0] != glyphs[1]); // 'h' != 'e'
35 REPORTER_ASSERT(reporter, glyphs[2] == glyphs[3]); // 'l' == 'l'
36
37 SkAutoTUnref<SkFont> newFont(font->cloneWithSize(36));
38 REPORTER_ASSERT(reporter, newFont.get());
39 REPORTER_ASSERT(reporter, font->getTypeface() == newFont->getTypeface());
40 REPORTER_ASSERT(reporter, 36 == newFont->getSize()); // double check we haven't changed
41 REPORTER_ASSERT(reporter, 24 == font->getSize()); // double check we haven't changed
42
43 SkPaint paint;
44 paint.setTextSize(18);
45 font.reset(SkFont::Testing_CreateFromPaint(paint));
46 REPORTER_ASSERT(reporter, font.get());
47 REPORTER_ASSERT(reporter, font->getSize() == paint.getTextSize());
48 REPORTER_ASSERT(reporter, SkFont::kBW_MaskType == font->getMaskType());
49 }
50
51 /*
52 * If the font backend is going to "alias" some font names to other fonts
53 * (e.g. sans -> Arial) then we want to at least get the same typeface back
54 * if we request the alias name multiple times.
55 */
test_alias_names(skiatest::Reporter * reporter)56 static void test_alias_names(skiatest::Reporter* reporter) {
57 const char* inNames[] = {
58 "sans", "sans-serif", "serif", "monospace", "times", "helvetica"
59 };
60
61 for (size_t i = 0; i < SK_ARRAY_COUNT(inNames); ++i) {
62 SkAutoTUnref<SkTypeface> first(SkTypeface::CreateFromName(inNames[i],
63 SkTypeface::kNormal));
64 if (NULL == first.get()) {
65 continue;
66 }
67 for (int j = 0; j < 10; ++j) {
68 SkAutoTUnref<SkTypeface> face(SkTypeface::CreateFromName(inNames[i],
69 SkTypeface::kNormal));
70 #if 0
71 SkString name;
72 face->getFamilyName(&name);
73 printf("request %s, received %s, first id %x received %x\n",
74 inNames[i], name.c_str(), first->uniqueID(), face->uniqueID());
75 #endif
76 REPORTER_ASSERT(reporter, first->uniqueID() == face->uniqueID());
77 }
78 }
79 }
80
test_fontiter(skiatest::Reporter * reporter,bool verbose)81 static void test_fontiter(skiatest::Reporter* reporter, bool verbose) {
82 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
83 int count = fm->countFamilies();
84
85 for (int i = 0; i < count; ++i) {
86 SkString fname;
87 fm->getFamilyName(i, &fname);
88
89 SkAutoTUnref<SkFontStyleSet> fnset(fm->matchFamily(fname.c_str()));
90 SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
91 REPORTER_ASSERT(reporter, fnset->count() == set->count());
92
93 if (verbose) {
94 SkDebugf("[%2d] %s\n", i, fname.c_str());
95 }
96
97 for (int j = 0; j < set->count(); ++j) {
98 SkString sname;
99 SkFontStyle fs;
100 set->getStyle(j, &fs, &sname);
101 // REPORTER_ASSERT(reporter, sname.size() > 0);
102
103 SkAutoTUnref<SkTypeface> face(set->createTypeface(j));
104 // REPORTER_ASSERT(reporter, face.get());
105
106 if (verbose) {
107 SkDebugf("\t[%d] %s [%3d %d %d]\n", j, sname.c_str(),
108 fs.weight(), fs.width(), fs.isItalic());
109 }
110 }
111 }
112 }
113
114 DEFINE_bool(verboseFontMgr, false, "run verbose fontmgr tests.");
115
DEF_TEST(FontMgr,reporter)116 DEF_TEST(FontMgr, reporter) {
117 test_fontiter(reporter, FLAGS_verboseFontMgr);
118 test_alias_names(reporter);
119 test_font(reporter);
120 }
121