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      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 "SkDocument.h"
     12 #include "SkStream.h"
     13 #include "Test.h"
     14 
     15 /** Returns true if data (may contain null characters) contains needle (null
     16  *  terminated). */
     17 static 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 
     27 DEF_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 
     42 DEF_TEST(Annotation_PdfLink, reporter) {
     43     REQUIRE_PDF_DOCUMENT(Annotation_PdfLink, reporter);
     44     SkDynamicMemoryWStream outStream;
     45     SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&outStream));
     46     SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
     47     REPORTER_ASSERT(reporter, canvas);
     48 
     49     SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
     50                                 SkIntToScalar(288), SkIntToScalar(72));
     51     SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
     52     SkAnnotateRectWithURL(canvas, r, data.get());
     53 
     54     REPORTER_ASSERT(reporter, doc->close());
     55     SkAutoDataUnref out(outStream.copyToData());
     56     const char* rawOutput = (const char*)out->data();
     57 
     58     REPORTER_ASSERT(reporter, ContainsString(rawOutput, out->size(), "/Annots "));
     59 }
     60 
     61 DEF_TEST(Annotation_NamedDestination, reporter) {
     62     REQUIRE_PDF_DOCUMENT(Annotation_NamedDestination, reporter);
     63     SkDynamicMemoryWStream outStream;
     64     SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(&outStream));
     65     SkCanvas* canvas = doc->beginPage(612.0f, 792.0f);
     66     REPORTER_ASSERT(reporter, canvas);
     67 
     68     SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
     69     SkAutoDataUnref data(SkData::NewWithCString("example"));
     70     SkAnnotateNamedDestination(canvas, p, data.get());
     71 
     72     REPORTER_ASSERT(reporter, doc->close());
     73     SkAutoDataUnref out(outStream.copyToData());
     74     const char* rawOutput = (const char*)out->data();
     75 
     76     REPORTER_ASSERT(reporter,
     77         ContainsString(rawOutput, out->size(), "/example "));
     78 }
     79