skia2/tests/AnnotationTest.cpp

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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkAnnotation.h"
#include "SkData.h"
#include "SkCanvas.h"
#include "SkPDFDevice.h"
#include "SkPDFDocument.h"
/** Returns true if data (may contain null characters) contains needle (null
* terminated). */
static bool ContainsString(const char* data, size_t dataSize, const char* needle) {
size_t nSize = strlen(needle);
for (size_t i = 0; i < dataSize - nSize; i++) {
if (strncmp(&data[i], needle, nSize) == 0) {
return true;
}
}
return false;
}
static void test_nodraw(skiatest::Reporter* reporter) {
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
bm.allocPixels();
bm.eraseColor(SK_ColorTRANSPARENT);
SkCanvas canvas(bm);
SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
SkAnnotateRectWithURL(&canvas, r, data.get());
REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
}
struct testCase {
SkPDFDocument::Flags flags;
bool expectAnnotations;
};
static void test_pdf_link_annotations(skiatest::Reporter* reporter) {
SkISize size = SkISize::Make(612, 792);
SkMatrix initialTransform;
initialTransform.reset();
SkPDFDevice device(size, size, initialTransform);
SkCanvas canvas(&device);
SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
SkIntToScalar(288), SkIntToScalar(72));
SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
SkAnnotateRectWithURL(&canvas, r, data.get());
testCase tests[] = {{(SkPDFDocument::Flags)0, true},
{SkPDFDocument::kNoLinks_Flags, false}};
for (size_t testNum = 0; testNum < SK_ARRAY_COUNT(tests); testNum++) {
SkPDFDocument doc(tests[testNum].flags);
doc.appendPage(&device);
SkDynamicMemoryWStream outStream;
doc.emitPDF(&outStream);
SkAutoDataUnref out(outStream.copyToData());
const char* rawOutput = (const char*)out->data();
REPORTER_ASSERT(reporter,
ContainsString(rawOutput, out->size(), "/Annots ")
== tests[testNum].expectAnnotations);
}
}
static void test_named_destination_annotations(skiatest::Reporter* reporter) {
SkISize size = SkISize::Make(612, 792);
SkMatrix initialTransform;
initialTransform.reset();
SkPDFDevice device(size, size, initialTransform);
SkCanvas canvas(&device);
SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
SkAutoDataUnref data(SkData::NewWithCString("example"));
SkAnnotateNamedDestination(&canvas, p, data.get());
SkPDFDocument doc;
doc.appendPage(&device);
SkDynamicMemoryWStream outStream;
doc.emitPDF(&outStream);
SkAutoDataUnref out(outStream.copyToData());
const char* rawOutput = (const char*)out->data();
REPORTER_ASSERT(reporter,
ContainsString(rawOutput, out->size(), "/example "));
}
static void TestAnnotation(skiatest::Reporter* reporter) {
test_nodraw(reporter);
test_pdf_link_annotations(reporter);
test_named_destination_annotations(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Annotation", AnnotationClass, TestAnnotation)