xref: /third_party/skia/tests/AnnotationTest.cpp (revision cb93a386) 
1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "include/core/SkAnnotation.h"
9#include "include/core/SkBitmap.h"
10#include "include/core/SkCanvas.h"
11#include "include/core/SkColor.h"
12#include "include/core/SkData.h"
13#include "include/core/SkDocument.h"
14#include "include/core/SkPoint.h"
15#include "include/core/SkRect.h"
16#include "include/core/SkRefCnt.h"
17#include "include/core/SkScalar.h"
18#include "include/core/SkStream.h"
19#include "include/core/SkTypes.h"
20#include "include/docs/SkPDFDocument.h"
21#include "tests/Test.h"
22
23#include <string.h>
24#include <memory>
25
26/** Returns true if data (may contain null characters) contains needle (null
27 *  terminated). */
28static bool ContainsString(const char* data, size_t dataSize, const char* needle) {
29    size_t nSize = strlen(needle);
30    for (size_t i = 0; i < dataSize - nSize; i++) {
31        if (strncmp(&data[i], needle, nSize) == 0) {
32            return true;
33        }
34    }
35    return false;
36}
37
38DEF_TEST(Annotation_NoDraw, reporter) {
39    SkBitmap bm;
40    bm.allocN32Pixels(10, 10);
41    bm.eraseColor(SK_ColorTRANSPARENT);
42
43    SkCanvas canvas(bm);
44    SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
45
46    sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
47
48    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
49    SkAnnotateRectWithURL(&canvas, r, data.get());
50    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
51}
52
53DEF_TEST(Annotation_PdfLink, reporter) {
54    REQUIRE_PDF_DOCUMENT(Annotation_PdfLink, reporter);
55    SkDynamicMemoryWStream outStream;
56    auto doc = SkPDF::MakeDocument(&outStream);
57    SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
58    REPORTER_ASSERT(reporter, canvas);
59
60    SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
61                                SkIntToScalar(288), SkIntToScalar(72));
62    sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
63    SkAnnotateRectWithURL(canvas, r, data.get());
64
65    doc->close();
66    sk_sp<SkData> out = outStream.detachAsData();
67    const char* rawOutput = (const char*)out->data();
68
69    REPORTER_ASSERT(reporter, ContainsString(rawOutput, out->size(), "/Annots "));
70}
71
72DEF_TEST(Annotation_PdfDefineNamedDestination, reporter) {
73    REQUIRE_PDF_DOCUMENT(Annotation_PdfNamedDestination, reporter);
74    SkDynamicMemoryWStream outStream;
75    auto doc = SkPDF::MakeDocument(&outStream);
76    SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
77    REPORTER_ASSERT(reporter, canvas);
78
79    SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
80    sk_sp<SkData> data(SkData::MakeWithCString("example"));
81    SkAnnotateNamedDestination(canvas, p, data.get());
82
83    doc->close();
84    sk_sp<SkData> out = outStream.detachAsData();
85    const char* rawOutput = (const char*)out->data();
86
87    REPORTER_ASSERT(reporter,
88        ContainsString(rawOutput, out->size(), "/example "));
89}
90
91#if defined(SK_XML)
92    #include "include/svg/SkSVGCanvas.h"
93
94    DEF_TEST(Annotation_SvgLink, reporter) {
95        SkDynamicMemoryWStream outStream;
96        SkRect bounds = SkRect::MakeIWH(400, 400);
97        std::unique_ptr<SkCanvas> canvas = SkSVGCanvas::Make(bounds, &outStream);
98
99        SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72), SkIntToScalar(288),
100                                    SkIntToScalar(72));
101        sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
102        SkAnnotateRectWithURL(canvas.get(), r, data.get());
103
104        sk_sp<SkData> out = outStream.detachAsData();
105        const char* rawOutput = (const char*)out->data();
106
107        REPORTER_ASSERT(reporter,
108            ContainsString(rawOutput, out->size(), "a xlink:href=\"http://www.gooogle.com\""));
109    }
110
111    DEF_TEST(Annotation_SvgLinkNamedDestination, reporter) {
112        SkDynamicMemoryWStream outStream;
113        SkRect bounds = SkRect::MakeIWH(400, 400);
114        std::unique_ptr<SkCanvas> canvas = SkSVGCanvas::Make(bounds, &outStream);
115
116        SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72), SkIntToScalar(288),
117                                    SkIntToScalar(72));
118        sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com/#NamedDestination"));
119        SkAnnotateLinkToDestination(canvas.get(), r, data.get());
120
121        sk_sp<SkData> out = outStream.detachAsData();
122        const char* rawOutput = (const char*)out->data();
123
124        REPORTER_ASSERT(reporter,
125            ContainsString(rawOutput, out->size(),
126                           "a xlink:href=\"http://www.gooogle.com/#NamedDestination\""));
127    }
128#endif
129