reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 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 "Test.h" |
reed@google.com | 8b0a335 | 2012-04-19 18:52:39 +0000 | [diff] [blame^] | 9 | #include "SkPaint.h" |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 10 | #include "SkTypeface.h" |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 11 | |
| 12 | //#define DUMP_TABLES |
| 13 | |
| 14 | #define kFontTableTag_head SkSetFourByteTag('h', 'e', 'a', 'd') |
| 15 | #define kFontTableTag_hhea SkSetFourByteTag('h', 'h', 'e', 'a') |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 16 | #define kFontTableTag_maxp SkSetFourByteTag('m', 'a', 'x', 'p') |
| 17 | |
| 18 | static const struct TagSize { |
| 19 | SkFontTableTag fTag; |
| 20 | size_t fSize; |
| 21 | } gKnownTableSizes[] = { |
| 22 | { kFontTableTag_head, 54 }, |
| 23 | { kFontTableTag_hhea, 36 }, |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 24 | { kFontTableTag_maxp, 32 }, |
| 25 | }; |
| 26 | |
| 27 | static void test_tables(skiatest::Reporter* reporter, SkTypeface* face) { |
| 28 | SkFontID fontID = face->uniqueID(); |
| 29 | |
reed@google.com | 8b0a335 | 2012-04-19 18:52:39 +0000 | [diff] [blame^] | 30 | int count = face->countTables(); |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 31 | |
| 32 | SkAutoTMalloc<SkFontTableTag> storage(count); |
| 33 | SkFontTableTag* tags = storage.get(); |
reed@google.com | fbd033d | 2012-02-23 16:15:58 +0000 | [diff] [blame] | 34 | |
reed@google.com | 8b0a335 | 2012-04-19 18:52:39 +0000 | [diff] [blame^] | 35 | int count2 = face->getTableTags(tags); |
reed@google.com | fbd033d | 2012-02-23 16:15:58 +0000 | [diff] [blame] | 36 | REPORTER_ASSERT(reporter, count2 == count); |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 37 | |
| 38 | for (int i = 0; i < count; ++i) { |
reed@google.com | 8b0a335 | 2012-04-19 18:52:39 +0000 | [diff] [blame^] | 39 | size_t size = face->getTableSize(tags[i]); |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 40 | REPORTER_ASSERT(reporter, size > 0); |
| 41 | |
| 42 | #ifdef DUMP_TABLES |
| 43 | char name[5]; |
| 44 | name[0] = (tags[i] >> 24) & 0xFF; |
| 45 | name[1] = (tags[i] >> 16) & 0xFF; |
| 46 | name[2] = (tags[i] >> 8) & 0xFF; |
| 47 | name[3] = (tags[i] >> 0) & 0xFF; |
| 48 | name[4] = 0; |
| 49 | SkDebugf("%s %d\n", name, size); |
| 50 | #endif |
| 51 | |
| 52 | for (size_t j = 0; j < SK_ARRAY_COUNT(gKnownTableSizes); ++j) { |
| 53 | if (gKnownTableSizes[j].fTag == tags[i]) { |
| 54 | REPORTER_ASSERT(reporter, gKnownTableSizes[j].fSize == size); |
| 55 | } |
| 56 | } |
reed@google.com | fbd033d | 2012-02-23 16:15:58 +0000 | [diff] [blame] | 57 | |
| 58 | // do we get the same size from GetTableData and GetTableSize |
| 59 | { |
| 60 | SkAutoMalloc data(size); |
reed@google.com | 8b0a335 | 2012-04-19 18:52:39 +0000 | [diff] [blame^] | 61 | size_t size2 = face->getTableData(tags[i], 0, size, data.get()); |
reed@google.com | fbd033d | 2012-02-23 16:15:58 +0000 | [diff] [blame] | 62 | REPORTER_ASSERT(reporter, size2 == size); |
| 63 | } |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 64 | } |
| 65 | } |
| 66 | |
| 67 | static void test_tables(skiatest::Reporter* reporter) { |
| 68 | static const char* const gNames[] = { |
| 69 | NULL, // default font |
| 70 | "Arial", "Times", "Times New Roman", "Helvetica", "Courier", |
| 71 | "Courier New", |
| 72 | }; |
| 73 | |
| 74 | for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) { |
| 75 | SkTypeface* face = SkTypeface::CreateFromName(gNames[i], |
| 76 | SkTypeface::kNormal); |
| 77 | if (face) { |
| 78 | #ifdef DUMP_TABLES |
| 79 | SkDebugf("%s\n", gNames[i]); |
| 80 | #endif |
| 81 | test_tables(reporter, face); |
| 82 | face->unref(); |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
bungeman@google.com | 34f1026 | 2012-03-23 18:11:47 +0000 | [diff] [blame] | 87 | /* |
| 88 | * Verifies that the advance values returned by generateAdvance and |
| 89 | * generateMetrics match. |
| 90 | */ |
| 91 | static void test_advances(skiatest::Reporter* reporter) { |
| 92 | static const char* const faces[] = { |
| 93 | NULL, // default font |
| 94 | "Arial", "Times", "Times New Roman", "Helvetica", "Courier", |
| 95 | "Courier New", "Verdana", "monospace", |
| 96 | }; |
| 97 | |
| 98 | static const struct { |
| 99 | SkPaint::Hinting hinting; |
| 100 | unsigned flags; |
| 101 | } settings[] = { |
| 102 | { SkPaint::kNo_Hinting, 0 }, |
| 103 | { SkPaint::kNo_Hinting, SkPaint::kLinearText_Flag }, |
| 104 | { SkPaint::kNo_Hinting, SkPaint::kSubpixelText_Flag }, |
| 105 | { SkPaint::kSlight_Hinting, 0 }, |
| 106 | { SkPaint::kSlight_Hinting, SkPaint::kLinearText_Flag }, |
| 107 | { SkPaint::kSlight_Hinting, SkPaint::kSubpixelText_Flag }, |
| 108 | { SkPaint::kNormal_Hinting, 0 }, |
| 109 | { SkPaint::kNormal_Hinting, SkPaint::kLinearText_Flag }, |
| 110 | { SkPaint::kNormal_Hinting, SkPaint::kSubpixelText_Flag }, |
| 111 | }; |
| 112 | |
| 113 | SkPaint paint; |
| 114 | char txt[] = "long.text.with.lots.of.dots."; |
| 115 | |
| 116 | for (size_t i = 0; i < SK_ARRAY_COUNT(faces); i++) { |
| 117 | SkTypeface* face = SkTypeface::CreateFromName(faces[i], SkTypeface::kNormal); |
| 118 | paint.setTypeface(face); |
| 119 | |
| 120 | for (size_t j = 0; j < SK_ARRAY_COUNT(settings); j++) { |
| 121 | paint.setHinting(settings[j].hinting); |
| 122 | paint.setLinearText((settings[j].flags & SkPaint::kLinearText_Flag) != 0); |
| 123 | paint.setSubpixelText((settings[j].flags & SkPaint::kSubpixelText_Flag) != 0); |
| 124 | |
| 125 | SkRect bounds; |
| 126 | |
| 127 | // For no hinting and light hinting this should take the |
| 128 | // optimized generateAdvance path. |
| 129 | SkScalar width1 = paint.measureText(txt, strlen(txt)); |
| 130 | |
| 131 | // Requesting the bounds forces a generateMetrics call. |
| 132 | SkScalar width2 = paint.measureText(txt, strlen(txt), &bounds); |
| 133 | |
| 134 | // SkDebugf("Font: %s, generateAdvance: %f, generateMetrics: %f\n", |
| 135 | // faces[i], SkScalarToFloat(width1), SkScalarToFloat(width2)); |
| 136 | |
| 137 | REPORTER_ASSERT(reporter, width1 == width2); |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 142 | static void TestFontHost(skiatest::Reporter* reporter) { |
| 143 | test_tables(reporter); |
bungeman@google.com | 34f1026 | 2012-03-23 18:11:47 +0000 | [diff] [blame] | 144 | test_advances(reporter); |
reed@google.com | 17aa07d | 2012-02-23 14:51:10 +0000 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | // need tests for SkStrSearch |
| 148 | |
| 149 | #include "TestClassDef.h" |
| 150 | DEFINE_TESTCLASS("FontHost", FontHostTestClass, TestFontHost) |