AnnotationTest.cpp revision fa9e5fa42a555712fb7a29d08d2ae2bdef0ed68e 
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 "SkAnnotation.h"
9#include "SkCanvas.h"
10#include "SkData.h"
11#include "SkPDFDevice.h"
12#include "SkPDFDocument.h"
13#include "Test.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
27DEF_TEST(Annotation_NoDraw, reporter) {
28    SkBitmap bm;
29    bm.allocN32Pixels(10, 10);
30    bm.eraseColor(SK_ColorTRANSPARENT);
31
32    SkCanvas canvas(bm);
33    SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
34
35    SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
36
37    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
38    SkAnnotateRectWithURL(&canvas, r, data.get());
39    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
40}
41
42struct testCase {
43    SkPDFDocument::Flags flags;
44    bool expectAnnotations;
45};
46
47DEF_TEST(Annotation_PdfLink, reporter) {
48    SkISize size = SkISize::Make(612, 792);
49    SkMatrix initialTransform;
50    initialTransform.reset();
51    SkPDFDevice device(size, size, initialTransform);
52    SkCanvas canvas(&device);
53
54    SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
55                                SkIntToScalar(288), SkIntToScalar(72));
56    SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
57    SkAnnotateRectWithURL(&canvas, r, data.get());
58
59    testCase tests[] = {{(SkPDFDocument::Flags)0, true},
60                        {SkPDFDocument::kNoLinks_Flags, false}};
61    for (size_t testNum = 0; testNum < SK_ARRAY_COUNT(tests); testNum++) {
62        SkPDFDocument doc(tests[testNum].flags);
63        doc.appendPage(&device);
64        SkDynamicMemoryWStream outStream;
65        doc.emitPDF(&outStream);
66        SkAutoDataUnref out(outStream.copyToData());
67        const char* rawOutput = (const char*)out->data();
68
69        REPORTER_ASSERT(reporter,
70            ContainsString(rawOutput, out->size(), "/Annots ")
71            == tests[testNum].expectAnnotations);
72    }
73}
74
75DEF_TEST(Annotation_NamedDestination, reporter) {
76    SkISize size = SkISize::Make(612, 792);
77    SkMatrix initialTransform;
78    initialTransform.reset();
79    SkPDFDevice device(size, size, initialTransform);
80    SkCanvas canvas(&device);
81
82    SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
83    SkAutoDataUnref data(SkData::NewWithCString("example"));
84    SkAnnotateNamedDestination(&canvas, p, data.get());
85
86    SkPDFDocument doc;
87    doc.appendPage(&device);
88    SkDynamicMemoryWStream outStream;
89    doc.emitPDF(&outStream);
90    SkAutoDataUnref out(outStream.copyToData());
91    const char* rawOutput = (const char*)out->data();
92
93    REPORTER_ASSERT(reporter,
94        ContainsString(rawOutput, out->size(), "/example "));
95}
96