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