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/*
* Copyright (C) 2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(UNIFIED_PDF)
#include "PDFDocumentLayout.h"
#include <wtf/text/ParsingUtilities.h>
namespace WTF {
class TextStream;
}
namespace WebKit {
struct PerPageInfo {
PDFDocumentLayout::PageIndex pageIndex { 0 };
WebCore::FloatRect pageBounds; // These are in "PDFDocumentLayout" coordinates.
WebCore::FloatRect rectInPageLayoutCoordinates; // Some arbirary rect converted into "PDFDocumentLayout" coordinates.
bool operator==(const PerPageInfo&) const = default;
};
using PDFPageCoverage = Vector<PerPageInfo>;
inline PerPageInfo unite(const PerPageInfo& a, const PerPageInfo& b)
{
return { a.pageIndex, a.pageBounds, unionRect(a.rectInPageLayoutCoordinates, b.rectInPageLayoutCoordinates) };
}
inline PDFPageCoverage unite(const PDFPageCoverage& a, const PDFPageCoverage& b)
{
PDFPageCoverage result;
result.reserveCapacity(a.size() + b.size());
auto as = a.span();
auto bs = b.span();
while (!as.empty() && !bs.empty()) {
auto cmp = as.front().pageIndex <=> bs.front().pageIndex;
if (cmp < 0)
result.append(consume(as));
else if (cmp > 0)
result.append(consume(bs));
else
result.append(unite(consume(as), consume(bs)));
}
result.append(as);
result.append(bs);
return result;
}
struct PDFPageCoverageAndScales {
PDFPageCoverage pages;
WebCore::FloatSize contentsOffset { };
float deviceScaleFactor { 1 };
float pdfDocumentScale { 1 };
float tilingScaleFactor { 1 };
bool operator==(const PDFPageCoverageAndScales&) const = default;
};
WTF::TextStream& operator<<(WTF::TextStream&, const PerPageInfo&);
WTF::TextStream& operator<<(WTF::TextStream&, const PDFPageCoverageAndScales&);
} // namespace WebKit
#endif // ENABLE(UNIFIED_PDF)
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