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
Reconstruct(const SkPaint & src,SkPaint * dst)11 static 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
android_options_serialization(skiatest::Reporter * reporter)25 static 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 }
41 DEFINE_TESTCLASS_SHORT(android_options_serialization);
42
android_options_serialization_reverse(skiatest::Reporter * reporter)43 static 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 }
61 DEFINE_TESTCLASS_SHORT(android_options_serialization_reverse);
62
android_options_size(skiatest::Reporter * reporter)63 static 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 }
79 DEFINE_TESTCLASS_SHORT(android_options_size);
80
81 #endif // SK_BUILD_FOR_ANDROID
82