48e78468f5
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1709753002 Review URL: https://codereview.chromium.org/1709753002
438 lines
16 KiB
C++
438 lines
16 KiB
C++
/*
|
|
* Copyright 2010 The Android Open Source Project
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "Resources.h"
|
|
#include "SkBitmap.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkData.h"
|
|
#include "SkDocument.h"
|
|
#include "SkDeflate.h"
|
|
#include "SkImageEncoder.h"
|
|
#include "SkMatrix.h"
|
|
#include "SkPDFCanon.h"
|
|
#include "SkPDFDevice.h"
|
|
#include "SkPDFFont.h"
|
|
#include "SkPDFStream.h"
|
|
#include "SkPDFTypes.h"
|
|
#include "SkReadBuffer.h"
|
|
#include "SkScalar.h"
|
|
#include "SkStream.h"
|
|
#include "SkTypes.h"
|
|
#include "Test.h"
|
|
#include "sk_tool_utils.h"
|
|
|
|
#define DUMMY_TEXT "DCT compessed stream."
|
|
|
|
namespace {
|
|
struct Catalog {
|
|
SkPDFSubstituteMap substitutes;
|
|
SkPDFObjNumMap numbers;
|
|
};
|
|
} // namespace
|
|
|
|
template <typename T>
|
|
static SkString emit_to_string(T& obj, Catalog* catPtr = nullptr) {
|
|
Catalog catalog;
|
|
SkDynamicMemoryWStream buffer;
|
|
if (!catPtr) {
|
|
catPtr = &catalog;
|
|
}
|
|
obj.emitObject(&buffer, catPtr->numbers, catPtr->substitutes);
|
|
SkAutoTDelete<SkStreamAsset> asset(buffer.detachAsStream());
|
|
SkString tmp(asset->getLength());
|
|
asset->read(tmp.writable_str(), asset->getLength());
|
|
return tmp;
|
|
}
|
|
|
|
static bool eq(const SkString& str, const char* strPtr, size_t len) {
|
|
return len == str.size() && 0 == memcmp(str.c_str(), strPtr, len);
|
|
}
|
|
|
|
#define ASSERT_EQL(REPORTER, SKSTRING, STRING, LEN) \
|
|
do { \
|
|
const char* strptr = STRING; \
|
|
const SkString& sks = SKSTRING; \
|
|
if (!eq(sks, strptr, LEN)) { \
|
|
REPORT_FAILURE( \
|
|
REPORTER, \
|
|
"", \
|
|
SkStringPrintf("'%s' != '%s'", strptr, sks.c_str())); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define ASSERT_EQ(REPORTER, SKSTRING, STRING) \
|
|
do { \
|
|
const char* str = STRING; \
|
|
ASSERT_EQL(REPORTER, SKSTRING, str, strlen(str)); \
|
|
} while (false)
|
|
|
|
#define ASSERT_EMIT_EQ(REPORTER, OBJECT, STRING) \
|
|
do { \
|
|
SkString result = emit_to_string(OBJECT); \
|
|
ASSERT_EQ(REPORTER, result, STRING); \
|
|
} while (false)
|
|
|
|
|
|
|
|
static void TestPDFStream(skiatest::Reporter* reporter) {
|
|
char streamBytes[] = "Test\nFoo\tBar";
|
|
SkAutoTDelete<SkMemoryStream> streamData(new SkMemoryStream(
|
|
streamBytes, strlen(streamBytes), true));
|
|
SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData.get()));
|
|
ASSERT_EMIT_EQ(reporter,
|
|
*stream,
|
|
"<</Length 12>> stream\nTest\nFoo\tBar\nendstream");
|
|
stream->insertInt("Attribute", 42);
|
|
ASSERT_EMIT_EQ(reporter,
|
|
*stream,
|
|
"<</Length 12\n/Attribute 42>> stream\n"
|
|
"Test\nFoo\tBar\nendstream");
|
|
|
|
{
|
|
char streamBytes2[] = "This is a longer string, so that compression "
|
|
"can do something with it. With shorter strings, "
|
|
"the short circuit logic cuts in and we end up "
|
|
"with an uncompressed string.";
|
|
SkAutoDataUnref streamData2(SkData::NewWithCopy(streamBytes2,
|
|
strlen(streamBytes2)));
|
|
SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData2.get()));
|
|
|
|
SkDynamicMemoryWStream compressedByteStream;
|
|
SkDeflateWStream deflateWStream(&compressedByteStream);
|
|
deflateWStream.write(streamBytes2, strlen(streamBytes2));
|
|
deflateWStream.finalize();
|
|
|
|
SkDynamicMemoryWStream expected;
|
|
expected.writeText("<</Filter /FlateDecode\n/Length 116>> stream\n");
|
|
compressedByteStream.writeToStream(&expected);
|
|
compressedByteStream.reset();
|
|
expected.writeText("\nendstream");
|
|
SkAutoDataUnref expectedResultData2(expected.copyToData());
|
|
SkString result = emit_to_string(*stream);
|
|
ASSERT_EQL(reporter,
|
|
result,
|
|
(const char*)expectedResultData2->data(),
|
|
expectedResultData2->size());
|
|
}
|
|
}
|
|
|
|
static void TestObjectNumberMap(skiatest::Reporter* reporter) {
|
|
SkPDFObjNumMap objNumMap;
|
|
SkAutoTUnref<SkPDFArray> a1(new SkPDFArray);
|
|
SkAutoTUnref<SkPDFArray> a2(new SkPDFArray);
|
|
SkAutoTUnref<SkPDFArray> a3(new SkPDFArray);
|
|
|
|
objNumMap.addObject(a1.get());
|
|
objNumMap.addObject(a2.get());
|
|
objNumMap.addObject(a3.get());
|
|
|
|
// The objects should be numbered in the order they are added,
|
|
// starting with 1.
|
|
REPORTER_ASSERT(reporter, objNumMap.getObjectNumber(a1.get()) == 1);
|
|
REPORTER_ASSERT(reporter, objNumMap.getObjectNumber(a2.get()) == 2);
|
|
REPORTER_ASSERT(reporter, objNumMap.getObjectNumber(a3.get()) == 3);
|
|
// Assert that repeated calls to get the object number return
|
|
// consistent result.
|
|
REPORTER_ASSERT(reporter, objNumMap.getObjectNumber(a1.get()) == 1);
|
|
}
|
|
|
|
static void TestObjectRef(skiatest::Reporter* reporter) {
|
|
SkAutoTUnref<SkPDFArray> a1(new SkPDFArray);
|
|
SkAutoTUnref<SkPDFArray> a2(new SkPDFArray);
|
|
a2->appendObjRef(SkRef(a1.get()));
|
|
|
|
Catalog catalog;
|
|
catalog.numbers.addObject(a1.get());
|
|
REPORTER_ASSERT(reporter, catalog.numbers.getObjectNumber(a1.get()) == 1);
|
|
|
|
SkString result = emit_to_string(*a2, &catalog);
|
|
// If appendObjRef misbehaves, then the result would
|
|
// be [[]], not [1 0 R].
|
|
ASSERT_EQ(reporter, result, "[1 0 R]");
|
|
}
|
|
|
|
static void TestSubstitute(skiatest::Reporter* reporter) {
|
|
SkAutoTUnref<SkPDFDict> proxy(new SkPDFDict());
|
|
SkAutoTUnref<SkPDFDict> stub(new SkPDFDict());
|
|
|
|
proxy->insertInt("Value", 33);
|
|
stub->insertInt("Value", 44);
|
|
|
|
SkPDFSubstituteMap substituteMap;
|
|
substituteMap.setSubstitute(proxy.get(), stub.get());
|
|
SkPDFObjNumMap catalog;
|
|
catalog.addObject(proxy.get());
|
|
|
|
REPORTER_ASSERT(reporter, stub.get() == substituteMap.getSubstitute(proxy));
|
|
REPORTER_ASSERT(reporter, proxy.get() != substituteMap.getSubstitute(stub));
|
|
}
|
|
|
|
// This test used to assert without the fix submitted for
|
|
// http://code.google.com/p/skia/issues/detail?id=1083.
|
|
// SKP files might have invalid glyph ids. This test ensures they are ignored,
|
|
// and there is no assert on input data in Debug mode.
|
|
static void test_issue1083() {
|
|
SkDynamicMemoryWStream outStream;
|
|
SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&outStream));
|
|
SkCanvas* canvas = doc->beginPage(100.0f, 100.0f);
|
|
SkPaint paint;
|
|
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
|
|
|
|
uint16_t glyphID = 65000;
|
|
canvas->drawText(&glyphID, 2, 0, 0, paint);
|
|
|
|
doc->close();
|
|
}
|
|
|
|
static void TestPDFUnion(skiatest::Reporter* reporter) {
|
|
SkPDFUnion boolTrue = SkPDFUnion::Bool(true);
|
|
ASSERT_EMIT_EQ(reporter, boolTrue, "true");
|
|
|
|
SkPDFUnion boolFalse = SkPDFUnion::Bool(false);
|
|
ASSERT_EMIT_EQ(reporter, boolFalse, "false");
|
|
|
|
SkPDFUnion int42 = SkPDFUnion::Int(42);
|
|
ASSERT_EMIT_EQ(reporter, int42, "42");
|
|
|
|
SkPDFUnion realHalf = SkPDFUnion::Scalar(SK_ScalarHalf);
|
|
ASSERT_EMIT_EQ(reporter, realHalf, "0.5");
|
|
|
|
SkPDFUnion bigScalar = SkPDFUnion::Scalar(110999.75f);
|
|
#if !defined(SK_ALLOW_LARGE_PDF_SCALARS)
|
|
ASSERT_EMIT_EQ(reporter, bigScalar, "111000");
|
|
#else
|
|
ASSERT_EMIT_EQ(reporter, bigScalar, "110999.75");
|
|
|
|
SkPDFUnion biggerScalar = SkPDFUnion::Scalar(50000000.1);
|
|
ASSERT_EMIT_EQ(reporter, biggerScalar, "50000000");
|
|
|
|
SkPDFUnion smallestScalar = SkPDFUnion::Scalar(1.0 / 65536);
|
|
ASSERT_EMIT_EQ(reporter, smallestScalar, "0.00001526");
|
|
#endif
|
|
|
|
SkPDFUnion stringSimple = SkPDFUnion::String("test ) string ( foo");
|
|
ASSERT_EMIT_EQ(reporter, stringSimple, "(test \\) string \\( foo)");
|
|
|
|
SkString stringComplexInput("\ttest ) string ( foo");
|
|
SkPDFUnion stringComplex = SkPDFUnion::String(stringComplexInput);
|
|
ASSERT_EMIT_EQ(reporter,
|
|
stringComplex,
|
|
"<0974657374202920737472696E67202820666F6F>");
|
|
|
|
SkString nameInput("Test name\twith#tab");
|
|
SkPDFUnion name = SkPDFUnion::Name(nameInput);
|
|
ASSERT_EMIT_EQ(reporter, name, "/Test#20name#09with#23tab");
|
|
|
|
SkString nameInput2("A#/%()<>[]{}B");
|
|
SkPDFUnion name2 = SkPDFUnion::Name(nameInput2);
|
|
ASSERT_EMIT_EQ(reporter, name2, "/A#23#2F#25#28#29#3C#3E#5B#5D#7B#7DB");
|
|
|
|
SkPDFUnion name3 = SkPDFUnion::Name("SimpleNameWithOnlyPrintableASCII");
|
|
ASSERT_EMIT_EQ(reporter, name3, "/SimpleNameWithOnlyPrintableASCII");
|
|
|
|
// Test that we correctly handle characters with the high-bit set.
|
|
SkString highBitString("\xDE\xAD" "be\xEF");
|
|
SkPDFUnion highBitName = SkPDFUnion::Name(highBitString);
|
|
ASSERT_EMIT_EQ(reporter, highBitName, "/#DE#ADbe#EF");
|
|
}
|
|
|
|
static void TestPDFArray(skiatest::Reporter* reporter) {
|
|
SkAutoTUnref<SkPDFArray> array(new SkPDFArray);
|
|
ASSERT_EMIT_EQ(reporter, *array, "[]");
|
|
|
|
array->appendInt(42);
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42]");
|
|
|
|
array->appendScalar(SK_ScalarHalf);
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42 0.5]");
|
|
|
|
array->appendInt(0);
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42 0.5 0]");
|
|
|
|
array->appendBool(true);
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42 0.5 0 true]");
|
|
|
|
array->appendName("ThisName");
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42 0.5 0 true /ThisName]");
|
|
|
|
array->appendName(SkString("AnotherName"));
|
|
ASSERT_EMIT_EQ(reporter, *array, "[42 0.5 0 true /ThisName /AnotherName]");
|
|
|
|
array->appendString("This String");
|
|
ASSERT_EMIT_EQ(reporter, *array,
|
|
"[42 0.5 0 true /ThisName /AnotherName (This String)]");
|
|
|
|
array->appendString(SkString("Another String"));
|
|
ASSERT_EMIT_EQ(reporter, *array,
|
|
"[42 0.5 0 true /ThisName /AnotherName (This String) "
|
|
"(Another String)]");
|
|
|
|
SkAutoTUnref<SkPDFArray> innerArray(new SkPDFArray);
|
|
innerArray->appendInt(-1);
|
|
array->appendObject(innerArray.detach());
|
|
ASSERT_EMIT_EQ(reporter, *array,
|
|
"[42 0.5 0 true /ThisName /AnotherName (This String) "
|
|
"(Another String) [-1]]");
|
|
|
|
SkAutoTUnref<SkPDFArray> referencedArray(new SkPDFArray);
|
|
Catalog catalog;
|
|
catalog.numbers.addObject(referencedArray.get());
|
|
REPORTER_ASSERT(reporter, catalog.numbers.getObjectNumber(
|
|
referencedArray.get()) == 1);
|
|
array->appendObjRef(referencedArray.detach());
|
|
|
|
SkString result = emit_to_string(*array, &catalog);
|
|
ASSERT_EQ(reporter, result,
|
|
"[42 0.5 0 true /ThisName /AnotherName (This String) "
|
|
"(Another String) [-1] 1 0 R]");
|
|
}
|
|
|
|
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>>");
|
|
}
|
|
|
|
DEF_TEST(PDFPrimitives, reporter) {
|
|
TestPDFUnion(reporter);
|
|
TestPDFArray(reporter);
|
|
TestPDFDict(reporter);
|
|
TestPDFStream(reporter);
|
|
TestObjectNumberMap(reporter);
|
|
TestObjectRef(reporter);
|
|
TestSubstitute(reporter);
|
|
test_issue1083();
|
|
}
|
|
|
|
namespace {
|
|
|
|
class DummyImageFilter : public SkImageFilter {
|
|
public:
|
|
DummyImageFilter(bool visited = false) : SkImageFilter(0, nullptr), fVisited(visited) {}
|
|
~DummyImageFilter() override {}
|
|
bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&,
|
|
SkBitmap* result, SkIPoint* offset) const override {
|
|
fVisited = true;
|
|
offset->fX = offset->fY = 0;
|
|
*result = src;
|
|
return true;
|
|
}
|
|
SK_TO_STRING_OVERRIDE()
|
|
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(DummyImageFilter)
|
|
bool visited() const { return fVisited; }
|
|
|
|
private:
|
|
mutable bool fVisited;
|
|
};
|
|
|
|
SkFlattenable* DummyImageFilter::CreateProc(SkReadBuffer& buffer) {
|
|
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
|
|
bool visited = buffer.readBool();
|
|
return new DummyImageFilter(visited);
|
|
}
|
|
|
|
#ifndef SK_IGNORE_TO_STRING
|
|
void DummyImageFilter::toString(SkString* str) const {
|
|
str->appendf("DummyImageFilter: (");
|
|
str->append(")");
|
|
}
|
|
#endif
|
|
|
|
};
|
|
|
|
// Check that PDF rendering of image filters successfully falls back to
|
|
// CPU rasterization.
|
|
DEF_TEST(PDFImageFilter, reporter) {
|
|
SkDynamicMemoryWStream stream;
|
|
SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&stream));
|
|
SkCanvas* canvas = doc->beginPage(100.0f, 100.0f);
|
|
|
|
SkAutoTUnref<DummyImageFilter> filter(new DummyImageFilter());
|
|
|
|
// Filter just created; should be unvisited.
|
|
REPORTER_ASSERT(reporter, !filter->visited());
|
|
SkPaint paint;
|
|
paint.setImageFilter(filter.get());
|
|
canvas->drawRect(SkRect::MakeWH(100, 100), paint);
|
|
doc->close();
|
|
|
|
// Filter was used in rendering; should be visited.
|
|
REPORTER_ASSERT(reporter, filter->visited());
|
|
}
|
|
|
|
// Check that PDF rendering of image filters successfully falls back to
|
|
// CPU rasterization.
|
|
DEF_TEST(PDFFontCanEmbedTypeface, reporter) {
|
|
SkPDFCanon canon;
|
|
|
|
const char resource[] = "fonts/Roboto2-Regular_NoEmbed.ttf";
|
|
SkAutoTUnref<SkTypeface> noEmbedTypeface(GetResourceAsTypeface(resource));
|
|
if (noEmbedTypeface) {
|
|
REPORTER_ASSERT(reporter,
|
|
!SkPDFFont::CanEmbedTypeface(noEmbedTypeface, &canon));
|
|
}
|
|
SkAutoTUnref<SkTypeface> portableTypeface(
|
|
sk_tool_utils::create_portable_typeface(NULL, SkTypeface::kNormal));
|
|
REPORTER_ASSERT(reporter,
|
|
SkPDFFont::CanEmbedTypeface(portableTypeface, &canon));
|
|
}
|