skia2/tests/AndroidPaintTest.cpp

82 lines
2.7 KiB
C++

// SkPaints only have an SkPaintOptionsAndroid if SK_BUILD_FOR_ANDROID is true.
#ifdef SK_BUILD_FOR_ANDROID
#include "SkPaintOptionsAndroid.h"
#include "SkOrderedReadBuffer.h"
#include "SkOrderedWriteBuffer.h"
#include "SkPaint.h"
#include "Test.h"
#include "TestClassDef.h"
static size_t Reconstruct(const SkPaint& src, SkPaint* dst) {
SkOrderedWriteBuffer writer(64 /*arbitrary*/);
src.flatten(writer);
const size_t size = writer.bytesWritten();
SkAutoMalloc bytes(size);
writer.writeToMemory(bytes.get());
SkOrderedReadBuffer reader(bytes.get(), size);
dst->unflatten(reader);
return size;
}
static void android_options_serialization(skiatest::Reporter* reporter) {
// We want to make sure that Android's paint options survive a flatten/unflatten round trip.
// These are all non-default options.
SkPaintOptionsAndroid options;
options.setLanguage("ja-JP");
options.setFontVariant(SkPaintOptionsAndroid::kElegant_Variant);
options.setUseFontFallbacks(true);
SkPaint paint;
paint.setPaintOptionsAndroid(options);
SkPaint reconstructed;
Reconstruct(paint, &reconstructed);
REPORTER_ASSERT(reporter, options == reconstructed.getPaintOptionsAndroid());
}
DEFINE_TESTCLASS_SHORT(android_options_serialization);
static void android_options_serialization_reverse(skiatest::Reporter* reporter) {
// Opposite test of above: make sure the serialized default values of a paint overwrite
// non-default values on the paint we're unflattening into.
const SkPaint defaultOptions;
SkPaintOptionsAndroid options;
options.setLanguage("ja-JP");
options.setFontVariant(SkPaintOptionsAndroid::kElegant_Variant);
options.setUseFontFallbacks(true);
SkPaint nonDefaultOptions;
nonDefaultOptions.setPaintOptionsAndroid(options);
Reconstruct(defaultOptions, &nonDefaultOptions);
REPORTER_ASSERT(reporter,
defaultOptions.getPaintOptionsAndroid() ==
nonDefaultOptions.getPaintOptionsAndroid());
}
DEFINE_TESTCLASS_SHORT(android_options_serialization_reverse);
static void android_options_size(skiatest::Reporter* reporter) {
// A paint with default android options should serialize to something smaller than
// a paint with non-default android options.
SkPaint defaultOptions;
SkPaintOptionsAndroid options;
options.setUseFontFallbacks(true);
SkPaint nonDefaultOptions;
nonDefaultOptions.setPaintOptionsAndroid(options);
SkPaint dummy;
REPORTER_ASSERT(reporter,
Reconstruct(defaultOptions, &dummy) < Reconstruct(nonDefaultOptions, &dummy));
}
DEFINE_TESTCLASS_SHORT(android_options_size);
#endif // SK_BUILD_FOR_ANDROID