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 "SkAnnotation.h"
9#include "SkBitmap.h"
10#include "SkCanvas.h"
11#include "SkColor.h"
12#include "SkData.h"
13#include "SkDocument.h"
14#include "SkPoint.h"
15#include "SkRect.h"
16#include "SkRefCnt.h"
17#include "SkScalar.h"
18#include "SkStream.h"
19#include "SkTypes.h"
20#include "Test.h"
21
22#include <string.h>
23#include <memory>
24
25/** Returns true if data (may contain null characters) contains needle (null
26 *  terminated). */
27static bool ContainsString(const char* data, size_t dataSize, const char* needle) {
28    size_t nSize = strlen(needle);
29    for (size_t i = 0; i < dataSize - nSize; i++) {
30        if (strncmp(&data[i], needle, nSize) == 0) {
31            return true;
32        }
33    }
34    return false;
35}
36
37DEF_TEST(Annotation_NoDraw, reporter) {
38    SkBitmap bm;
39    bm.allocN32Pixels(10, 10);
40    bm.eraseColor(SK_ColorTRANSPARENT);
41
42    SkCanvas canvas(bm);
43    SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
44
45    sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
46
47    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
48    SkAnnotateRectWithURL(&canvas, r, data.get());
49    REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
50}
51
52DEF_TEST(Annotation_PdfLink, reporter) {
53    REQUIRE_PDF_DOCUMENT(Annotation_PdfLink, reporter);
54    SkDynamicMemoryWStream outStream;
55    sk_sp<SkDocument> doc(SkDocument::MakePDF(&outStream));
56    SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
57    REPORTER_ASSERT(reporter, canvas);
58
59    SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
60                                SkIntToScalar(288), SkIntToScalar(72));
61    sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
62    SkAnnotateRectWithURL(canvas, r, data.get());
63
64    doc->close();
65    sk_sp<SkData> out = outStream.detachAsData();
66    const char* rawOutput = (const char*)out->data();
67
68    REPORTER_ASSERT(reporter, ContainsString(rawOutput, out->size(), "/Annots "));
69}
70
71DEF_TEST(Annotation_PdfDefineNamedDestination, reporter) {
72    REQUIRE_PDF_DOCUMENT(Annotation_PdfNamedDestination, reporter);
73    SkDynamicMemoryWStream outStream;
74    sk_sp<SkDocument> doc(SkDocument::MakePDF(&outStream));
75    SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
76    REPORTER_ASSERT(reporter, canvas);
77
78    SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
79    sk_sp<SkData> data(SkData::MakeWithCString("example"));
80    SkAnnotateNamedDestination(canvas, p, data.get());
81
82    doc->close();
83    sk_sp<SkData> out = outStream.detachAsData();
84    const char* rawOutput = (const char*)out->data();
85
86    REPORTER_ASSERT(reporter,
87        ContainsString(rawOutput, out->size(), "/example "));
88}
89
90#if defined(SK_XML)
91    #include "SkSVGCanvas.h"
92    #include "SkXMLWriter.h"
93
94    DEF_TEST(Annotation_SvgLink, reporter) {
95        SkDynamicMemoryWStream outStream;
96        std::unique_ptr<SkXMLWriter> xmlWriter(new SkXMLStreamWriter(&outStream));
97        SkRect bounds = SkRect::MakeIWH(400, 400);
98        std::unique_ptr<SkCanvas> canvas = SkSVGCanvas::Make(bounds, xmlWriter.get());
99
100        SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72), SkIntToScalar(288),
101                                    SkIntToScalar(72));
102        sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com"));
103        SkAnnotateRectWithURL(canvas.get(), r, data.get());
104
105        canvas->flush();
106        sk_sp<SkData> out = outStream.detachAsData();
107        const char* rawOutput = (const char*)out->data();
108
109        REPORTER_ASSERT(reporter,
110            ContainsString(rawOutput, out->size(), "a xlink:href=\"http://www.gooogle.com\""));
111    }
112
113    DEF_TEST(Annotation_SvgLinkNamedDestination, reporter) {
114        SkDynamicMemoryWStream outStream;
115        std::unique_ptr<SkXMLWriter> xmlWriter(new SkXMLStreamWriter(&outStream));
116        SkRect bounds = SkRect::MakeIWH(400, 400);
117        std::unique_ptr<SkCanvas> canvas = SkSVGCanvas::Make(bounds, xmlWriter.get());
118
119        SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72), SkIntToScalar(288),
120                                    SkIntToScalar(72));
121        sk_sp<SkData> data(SkData::MakeWithCString("http://www.gooogle.com/#NamedDestination"));
122        SkAnnotateLinkToDestination(canvas.get(), r, data.get());
123
124        canvas->flush();
125        sk_sp<SkData> out = outStream.detachAsData();
126        const char* rawOutput = (const char*)out->data();
127
128        REPORTER_ASSERT(reporter,
129            ContainsString(rawOutput, out->size(),
130                           "a xlink:href=\"http://www.gooogle.com/#NamedDestination\""));
131    }
132#endif
133