static void TestPDFDict(skiatest::Reporter* reporter) {
SkAutoTUnref<SkPDFDict> dict(new SkPDFDict);
ASSERT_EMIT_EQ(reporter, *dict, "<<>>");
dict->insertInt("n1", SkToSizeT(42));
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 42>>");
dict.reset(new SkPDFDict);
ASSERT_EMIT_EQ(reporter, *dict, "<<>>");
dict->insertInt("n1", 42);
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 42>>");
dict->insertScalar("n2", SK_ScalarHalf);
SkString n3("n3");
SkAutoTUnref<SkPDFArray> innerArray(new SkPDFArray);
innerArray->appendInt(-100);
dict->insertObject(n3, innerArray.detach());
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 42\n/n2 0.5\n/n3 [-100]>>");
dict.reset(new SkPDFDict);
ASSERT_EMIT_EQ(reporter, *dict, "<<>>");
dict->insertInt("n1", 24);
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24>>");
dict->insertInt("n2", SkToSizeT(99));
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99>>");
dict->insertScalar("n3", SK_ScalarHalf);
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99\n/n3 0.5>>");
dict->insertName("n4", "AName");
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99\n/n3 0.5\n/n4 /AName>>");
dict->insertName("n5", SkString("AnotherName"));
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99\n/n3 0.5\n/n4 /AName\n"
"/n5 /AnotherName>>");
dict->insertString("n6", "A String");
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99\n/n3 0.5\n/n4 /AName\n"
"/n5 /AnotherName\n/n6 (A String)>>");
dict->insertString("n7", SkString("Another String"));
ASSERT_EMIT_EQ(reporter, *dict, "<</n1 24\n/n2 99\n/n3 0.5\n/n4 /AName\n"
"/n5 /AnotherName\n/n6 (A String)\n/n7 (Another String)>>");
dict.reset(new SkPDFDict("DType"));
ASSERT_EMIT_EQ(reporter, *dict, "<</Type /DType>>");
SkAutoTUnref<SkPDFArray> referencedArray(new SkPDFArray);
Catalog catalog;
catalog.numbers.addObject(referencedArray.get());
REPORTER_ASSERT(reporter, catalog.numbers.getObjectNumber(
referencedArray.get()) == 1);
dict->insertObjRef("n1", referencedArray.detach());
SkString result = emit_to_string(*dict, &catalog);
ASSERT_EQ(reporter, result, "<</Type /DType\n/n1 1 0 R>>");
}
static void TestPDFDict(skiatest::Reporter* reporter) {
std::unique_ptr<SkPDFDict> dict(new SkPDFDict);
assert_emit_eq(reporter, *dict, "<<>>");
dict->insertInt("n1", SkToSizeT(42));
assert_emit_eq(reporter, *dict, "<</n1 42>>");
dict.reset(new SkPDFDict);
assert_emit_eq(reporter, *dict, "<<>>");
dict->insertInt("n1", 42);
assert_emit_eq(reporter, *dict, "<</n1 42>>");
dict->insertScalar("n2", SK_ScalarHalf);
SkString n3("n3");
std::unique_ptr<SkPDFArray> innerArray(new SkPDFArray);
innerArray->appendInt(-100);
dict->insertObject(n3, std::move(innerArray));
assert_emit_eq(reporter, *dict, "<</n1 42\n/n2 .5\n/n3 [-100]>>");
dict.reset(new SkPDFDict);
assert_emit_eq(reporter, *dict, "<<>>");
dict->insertInt("n1", 24);
assert_emit_eq(reporter, *dict, "<</n1 24>>");
dict->insertInt("n2", SkToSizeT(99));
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99>>");
dict->insertScalar("n3", SK_ScalarHalf);
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99\n/n3 .5>>");
dict->insertName("n4", "AName");
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99\n/n3 .5\n/n4 /AName>>");
dict->insertName("n5", SkString("AnotherName"));
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99\n/n3 .5\n/n4 /AName\n"
"/n5 /AnotherName>>");
dict->insertString("n6", "A String");
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99\n/n3 .5\n/n4 /AName\n"
"/n5 /AnotherName\n/n6 (A String)>>");
dict->insertString("n7", SkString("Another String"));
assert_emit_eq(reporter, *dict, "<</n1 24\n/n2 99\n/n3 .5\n/n4 /AName\n"
"/n5 /AnotherName\n/n6 (A String)\n/n7 (Another String)>>");
dict.reset(new SkPDFDict("DType"));
assert_emit_eq(reporter, *dict, "<</Type /DType>>");
}
size_t JavaInputStream::read(void* voidBuffer, size_t size) {
size_t totalRead = 0;
char* buffer = static_cast<char*>(voidBuffer); // may be NULL;
while (size) {
// make sure the cache has at least one byte or is done.
if (fStartIndex == fEndIndex) {
jint count =
fEnv->CallIntMethod(fInputStream, fReadMethodID, fJavaBuffer);
if (fEnv->ExceptionCheck()) {
fEnv->ExceptionDescribe();
fEnv->ExceptionClear();
SkDebugf("---- java.io.InputStream::read() threw an exception\n");
return 0;
}
fStartIndex = 0;
fEndIndex = count;
if (this->isAtEnd()) {
return totalRead; // No more to read.
}
}
SkASSERT(fEndIndex > fStartIndex);
size_t length = SkTMin(SkToSizeT(fEndIndex - fStartIndex), size);
if (buffer && length) {
jbyte* bufferElements
= fEnv->GetByteArrayElements(fJavaBuffer, NULL);
memcpy(buffer, &bufferElements[fStartIndex], length);
buffer += length;
fEnv->ReleaseByteArrayElements(fJavaBuffer, bufferElements, 0);
}
totalRead += length;
size -= length;
fStartIndex += length;
}
return totalRead;
}
bool SkIsJFIF(const SkData* skdata, SkJFIFInfo* info) {
static const uint16_t kSOI = 0xFFD8;
static const uint16_t kAPP0 = 0xFFE0;
JpegSegment segment(skdata);
if (!segment.read() || segment.marker() != kSOI) {
return false; // not a JPEG
}
if (!segment.read() || segment.marker() != kAPP0) {
return false; // not an APP0 segment
}
static const char kJfif[] = {'J', 'F', 'I', 'F', '\0'};
SkASSERT(segment.data());
if (SkToSizeT(segment.length()) < sizeof(kJfif) ||
0 != memcmp(segment.data(), kJfif, sizeof(kJfif))) {
return false; // Not JFIF JPEG
}
do {
if (!segment.read()) {
return false; // malformed JPEG
}
} while (!segment.isSOF());
if (segment.length() < 6) {
return false; // SOF segment is short
}
if (8 != segment.data()[0]) {
return false; // Only support 8-bit precision
}
int numberOfComponents = segment.data()[5];
if (numberOfComponents != 1 && numberOfComponents != 3) {
return false; // Invalid JFIF
}
if (info) {
info->fSize.set(JpegSegment::GetBigendianUint16(&segment.data()[3]),
JpegSegment::GetBigendianUint16(&segment.data()[1]));
if (numberOfComponents == 3) {
info->fType = SkJFIFInfo::kYCbCr;
} else {
info->fType = SkJFIFInfo::kGrayscale;
}
}
return true;
}
DEF_TEST(color_half_float, reporter) {
const int w = 100;
const int h = 100;
SkImageInfo info = SkImageInfo::Make(w, h, kRGBA_F16_SkColorType, kPremul_SkAlphaType);
SkAutoPixmapStorage pm;
pm.alloc(info);
REPORTER_ASSERT(reporter, pm.getSafeSize() == SkToSizeT(w * h * sizeof(uint64_t)));
SkColor4f c4 { 1, 0.5f, 0.25f, 0.5f };
pm.erase(c4);
SkPM4f origpm4 = c4.premul();
for (int y = 0; y < pm.height(); ++y) {
for (int x = 0; x < pm.width(); ++x) {
SkPM4f pm4 = SkPM4f::FromF16(pm.addrF16(x, y));
REPORTER_ASSERT(reporter, eq_within_half_float(origpm4, pm4));
}
}
}
static size_t pixel_count(const SkBitmap& bm) {
return SkToSizeT(bm.width()) * SkToSizeT(bm.height());
}