AnnotationTest.cpp revision 1cad898916c9e4a21429b5325c834a51fa6f361e 
1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#include "Test.h"
9#include "SkAnnotation.h"
10#include "SkData.h"
11#include "SkCanvas.h"
12#include "SkPDFDevice.h"
13#include "SkPDFDocument.h"
14
15/** Returns true if data (may contain null characters) contains needle (null
16 *  terminated). */
17static bool ContainsString(const char* data, size_t dataSize, const char* needle) {
18    size_t nSize = strlen(needle);
19    for (size_t i = 0; i < dataSize - nSize; i++) {
20        if (strncmp(&data[i], needle, nSize) == 0) {
21            return true;
22        }
23    }
24    return false;
25}
26
27static void test_nodraw(skiatest::Reporter* reporter) {
28    SkBitmap bm;
29    bm.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
30    bm.allocPixels();
31    bm.eraseColor(SK_ColorTRANSPARENT);
32
33    SkCanvas canvas(bm);
34    SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
35
36    SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
37
38    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
39    SkAnnotateRectWithURL(&canvas, r, data.get());
40    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
41}
42
43struct testCase {
44    SkPDFDocument::Flags flags;
45    bool expectAnnotations;
46};
47
48static void test_pdf_link_annotations(skiatest::Reporter* reporter) {
49    SkISize size = SkISize::Make(612, 792);
50    SkMatrix initialTransform;
51    initialTransform.reset();
52    SkPDFDevice device(size, size, initialTransform);
53    SkCanvas canvas(&device);
54
55    SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
56                                SkIntToScalar(288), SkIntToScalar(72));
57    SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
58    SkAnnotateRectWithURL(&canvas, r, data.get());
59
60    testCase tests[] = {{(SkPDFDocument::Flags)0, true},
61                        {SkPDFDocument::kNoLinks_Flags, false}};
62    for (size_t testNum = 0; testNum < SK_ARRAY_COUNT(tests); testNum++) {
63        SkPDFDocument doc(tests[testNum].flags);
64        doc.appendPage(&device);
65        SkDynamicMemoryWStream outStream;
66        doc.emitPDF(&outStream);
67        SkAutoDataUnref out(outStream.copyToData());
68        const char* rawOutput = (const char*)out->data();
69
70        REPORTER_ASSERT(reporter,
71            ContainsString(rawOutput, out->size(), "/Annots ")
72            == tests[testNum].expectAnnotations);
73    }
74}
75
76static void test_named_destination_annotations(skiatest::Reporter* reporter) {
77    SkISize size = SkISize::Make(612, 792);
78    SkMatrix initialTransform;
79    initialTransform.reset();
80    SkPDFDevice device(size, size, initialTransform);
81    SkCanvas canvas(&device);
82
83    SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
84    SkAutoDataUnref data(SkData::NewWithCString("example"));
85    SkAnnotateNamedDestination(&canvas, p, data.get());
86
87    SkPDFDocument doc;
88    doc.appendPage(&device);
89    SkDynamicMemoryWStream outStream;
90    doc.emitPDF(&outStream);
91    SkAutoDataUnref out(outStream.copyToData());
92    const char* rawOutput = (const char*)out->data();
93
94    REPORTER_ASSERT(reporter,
95        ContainsString(rawOutput, out->size(), "/example "));
96}
97
98static void TestAnnotation(skiatest::Reporter* reporter) {
99    test_nodraw(reporter);
100    test_pdf_link_annotations(reporter);
101    test_named_destination_annotations(reporter);
102}
103
104#include "TestClassDef.h"
105DEFINE_TESTCLASS("Annotation", AnnotationClass, TestAnnotation)
106