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 "SkPDFDocument.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). */
ContainsString(const char * data,size_t dataSize,const char * needle)27 static 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
DEF_TEST(Annotation_NoDraw,reporter)37 DEF_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
DEF_TEST(Annotation_PdfLink,reporter)52 DEF_TEST(Annotation_PdfLink, reporter) {
53 REQUIRE_PDF_DOCUMENT(Annotation_PdfLink, reporter);
54 SkDynamicMemoryWStream outStream;
55 auto doc = SkPDF::MakeDocument(&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
DEF_TEST(Annotation_PdfDefineNamedDestination,reporter)71 DEF_TEST(Annotation_PdfDefineNamedDestination, reporter) {
72 REQUIRE_PDF_DOCUMENT(Annotation_PdfNamedDestination, reporter);
73 SkDynamicMemoryWStream outStream;
74 auto doc = SkPDF::MakeDocument(&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
DEF_TEST(Annotation_SvgLink,reporter)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
DEF_TEST(Annotation_SvgLinkNamedDestination,reporter)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