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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 "Test.h"
      9 #include "SkAnnotation.h"
     10 #include "SkData.h"
     11 #include "SkCanvas.h"
     12 #include "SkPDFDevice.h"
     13 #include "SkPDFDocument.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 static void test_nodraw(skiatest::Reporter* reporter) {
     28     SkBitmap bm;
     29     bm.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
     30     bm.allocPixels();
     31     bm.eraseColor(SK_ColorTRANSPARENT);
     32 
     33     SkCanvas canvas(bm);
     34     SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));
     35 
     36     SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
     37 
     38     REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
     39     SkAnnotateRectWithURL(&canvas, r, data.get());
     40     REPORTER_ASSERT(reporter, 0 == *bm.getAddr32(0, 0));
     41 }
     42 
     43 struct testCase {
     44     SkPDFDocument::Flags flags;
     45     bool expectAnnotations;
     46 };
     47 
     48 static void test_pdf_link_annotations(skiatest::Reporter* reporter) {
     49     SkISize size = SkISize::Make(612, 792);
     50     SkMatrix initialTransform;
     51     initialTransform.reset();
     52     SkPDFDevice device(size, size, initialTransform);
     53     SkCanvas canvas(&device);
     54 
     55     SkRect r = SkRect::MakeXYWH(SkIntToScalar(72), SkIntToScalar(72),
     56                                 SkIntToScalar(288), SkIntToScalar(72));
     57     SkAutoDataUnref data(SkData::NewWithCString("http://www.gooogle.com"));
     58     SkAnnotateRectWithURL(&canvas, r, data.get());
     59 
     60     testCase tests[] = {{(SkPDFDocument::Flags)0, true},
     61                         {SkPDFDocument::kNoLinks_Flags, false}};
     62     for (size_t testNum = 0; testNum < SK_ARRAY_COUNT(tests); testNum++) {
     63         SkPDFDocument doc(tests[testNum].flags);
     64         doc.appendPage(&device);
     65         SkDynamicMemoryWStream outStream;
     66         doc.emitPDF(&outStream);
     67         SkAutoDataUnref out(outStream.copyToData());
     68         const char* rawOutput = (const char*)out->data();
     69 
     70         REPORTER_ASSERT(reporter,
     71             ContainsString(rawOutput, out->size(), "/Annots ")
     72             == tests[testNum].expectAnnotations);
     73     }
     74 }
     75 
     76 static void test_named_destination_annotations(skiatest::Reporter* reporter) {
     77     SkISize size = SkISize::Make(612, 792);
     78     SkMatrix initialTransform;
     79     initialTransform.reset();
     80     SkPDFDevice device(size, size, initialTransform);
     81     SkCanvas canvas(&device);
     82 
     83     SkPoint p = SkPoint::Make(SkIntToScalar(72), SkIntToScalar(72));
     84     SkAutoDataUnref data(SkData::NewWithCString("example"));
     85     SkAnnotateNamedDestination(&canvas, p, data.get());
     86 
     87     SkPDFDocument doc;
     88     doc.appendPage(&device);
     89     SkDynamicMemoryWStream outStream;
     90     doc.emitPDF(&outStream);
     91     SkAutoDataUnref out(outStream.copyToData());
     92     const char* rawOutput = (const char*)out->data();
     93 
     94     REPORTER_ASSERT(reporter,
     95         ContainsString(rawOutput, out->size(), "/example "));
     96 }
     97 
     98 static void TestAnnotation(skiatest::Reporter* reporter) {
     99     test_nodraw(reporter);
    100     test_pdf_link_annotations(reporter);
    101     test_named_destination_annotations(reporter);
    102 }
    103 
    104 #include "TestClassDef.h"
    105 DEFINE_TESTCLASS("Annotation", AnnotationClass, TestAnnotation)
    106