79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
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/*
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* Copyright 2020 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tests/Test.h"
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#ifdef SK_SUPPORT_PDF
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#include "include/core/SkAnnotation.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkStream.h"
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#include "include/docs/SkPDFDocument.h"
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using PDFTag = SkPDF::StructureElementNode;
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// Test building a tagged PDF with links.
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// Add this to args.gn to output the PDF to a file:
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// extra_cflags = [ "-DSK_PDF_TEST_TAGS_OUTPUT_PATH=\"/tmp/links.pdf\"" ]
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DEF_TEST(SkPDF_tagged_links, r) {
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REQUIRE_PDF_DOCUMENT(SkPDF_tagged_links, r);
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#ifdef SK_PDF_TEST_TAGS_OUTPUT_PATH
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SkFILEWStream outputStream(SK_PDF_TEST_TAGS_OUTPUT_PATH);
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#else
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SkDynamicMemoryWStream outputStream;
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#endif
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SkSize pageSize = SkSize::Make(612, 792); // U.S. Letter
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SkPDF::Metadata metadata;
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metadata.fTitle = "Example Tagged PDF With Links";
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metadata.fCreator = "Skia";
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SkTime::DateTime now;
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SkTime::GetDateTime(&now);
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metadata.fCreation = now;
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metadata.fModified = now;
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// The document tag.
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auto root = std::make_unique<PDFTag>();
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root->fNodeId = 1;
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root->fTypeString = "Document";
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root->fLang = "en-US";
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// A link.
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auto l1 = std::make_unique<PDFTag>();
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l1->fNodeId = 2;
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l1->fTypeString = "Link";
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root->fChildVector.push_back(std::move(l1));
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metadata.fStructureElementTreeRoot = root.get();
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sk_sp<SkDocument> document = SkPDF::MakeDocument(
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&outputStream, metadata);
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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SkCanvas* canvas =
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document->beginPage(pageSize.width(),
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pageSize.height());
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SkFont font(nullptr, 20);
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// The node ID should cover both the text and the annotation.
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SkPDF::SetNodeId(canvas, 2);
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canvas->drawString("Click to visit Google.com", 72, 72, font, paint);
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SkRect linkRect = SkRect::MakeXYWH(
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SkIntToScalar(72), SkIntToScalar(54),
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SkIntToScalar(218), SkIntToScalar(24));
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sk_sp<SkData> url(SkData::MakeWithCString("http://www.google.com"));
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SkAnnotateRectWithURL(canvas, linkRect, url.get());
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document->endPage();
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document->close();
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outputStream.flush();
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}
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#endif
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