1// SkPaints only have an SkPaintOptionsAndroid if SK_BUILD_FOR_ANDROID is true.
2#ifdef SK_BUILD_FOR_ANDROID
3
4#include "SkPaintOptionsAndroid.h"
5#include "SkOrderedReadBuffer.h"
6#include "SkOrderedWriteBuffer.h"
7#include "SkPaint.h"
8#include "Test.h"
9#include "TestClassDef.h"
10
11static size_t Reconstruct(const SkPaint& src, SkPaint* dst) {
12    SkOrderedWriteBuffer writer(64 /*arbitrary*/);
13    src.flatten(writer);
14
15    const size_t size = writer.bytesWritten();
16    SkAutoMalloc bytes(size);
17    writer.writeToMemory(bytes.get());
18
19    SkOrderedReadBuffer reader(bytes.get(), size);
20    dst->unflatten(reader);
21
22    return size;
23}
24
25static void android_options_serialization(skiatest::Reporter* reporter) {
26    // We want to make sure that Android's paint options survive a flatten/unflatten round trip.
27    // These are all non-default options.
28    SkPaintOptionsAndroid options;
29    options.setLanguage("ja-JP");
30    options.setFontVariant(SkPaintOptionsAndroid::kElegant_Variant);
31    options.setUseFontFallbacks(true);
32
33    SkPaint paint;
34    paint.setPaintOptionsAndroid(options);
35
36    SkPaint reconstructed;
37    Reconstruct(paint, &reconstructed);
38
39    REPORTER_ASSERT(reporter, options == reconstructed.getPaintOptionsAndroid());
40}
41DEFINE_TESTCLASS_SHORT(android_options_serialization);
42
43static void android_options_serialization_reverse(skiatest::Reporter* reporter) {
44    // Opposite test of above: make sure the serialized default values of a paint overwrite
45    // non-default values on the paint we're unflattening into.
46    const SkPaint defaultOptions;
47
48    SkPaintOptionsAndroid options;
49    options.setLanguage("ja-JP");
50    options.setFontVariant(SkPaintOptionsAndroid::kElegant_Variant);
51    options.setUseFontFallbacks(true);
52    SkPaint nonDefaultOptions;
53    nonDefaultOptions.setPaintOptionsAndroid(options);
54
55    Reconstruct(defaultOptions, &nonDefaultOptions);
56
57    REPORTER_ASSERT(reporter,
58            defaultOptions.getPaintOptionsAndroid() ==
59            nonDefaultOptions.getPaintOptionsAndroid());
60}
61DEFINE_TESTCLASS_SHORT(android_options_serialization_reverse);
62
63static void android_options_size(skiatest::Reporter* reporter) {
64    // A paint with default android options should serialize to something smaller than
65    // a paint with non-default android options.
66
67    SkPaint defaultOptions;
68
69    SkPaintOptionsAndroid options;
70    options.setUseFontFallbacks(true);
71    SkPaint nonDefaultOptions;
72    nonDefaultOptions.setPaintOptionsAndroid(options);
73
74    SkPaint dummy;
75
76    REPORTER_ASSERT(reporter,
77                    Reconstruct(defaultOptions, &dummy) < Reconstruct(nonDefaultOptions, &dummy));
78}
79DEFINE_TESTCLASS_SHORT(android_options_size);
80
81#endif  // SK_BUILD_FOR_ANDROID
82