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| author |  halcanary <halcanary@google.com> | 2016-03-31 06:59:00 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-03-31 06:59:00 -0700 |
| commit | ad5dcd17cd9996a99068601d11df1c27b3652b9a (patch) | |
| tree | 2d65a66f9c44653fe2e50f838a6addb69d8710c8 /src | |
| parent | b90e67f8ea9dfdf5f398cfee444e86547bf4606a (diff) | |
SkPDF: Make magic make sense
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1849453004
Review URL: https://codereview.chromium.org/1849453004
Diffstat (limited to 'src')
| -rw-r--r-- | src/pdf/SkPDFDocument.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/pdf/SkPDFDocument.cpp b/src/pdf/SkPDFDocument.cpp index 32fffde676..740fa7dd5e 100644 --- a/src/pdf/SkPDFDocument.cpp +++ b/src/pdf/SkPDFDocument.cpp @@ -28,9 +28,16 @@ void SkPDFObjectSerializer::addObjectRecursively(const sk_sp<SkPDFObject>& objec fObjNumMap.addObjectRecursively(object.get(), fSubstituteMap); } +#define SKPDF_MAGIC "\xD3\xEB\xE9\xE1" +#ifndef SK_BUILD_FOR_WIN32 +static_assert((SKPDF_MAGIC[0] & 0x7F) == "Skia"[0], ""); +static_assert((SKPDF_MAGIC[1] & 0x7F) == "Skia"[1], ""); +static_assert((SKPDF_MAGIC[2] & 0x7F) == "Skia"[2], ""); +static_assert((SKPDF_MAGIC[3] & 0x7F) == "Skia"[3], ""); +#endif void SkPDFObjectSerializer::serializeHeader(SkWStream* wStream, const SkPDFMetadata& md) { fBaseOffset = wStream->bytesWritten(); - static const char kHeader[] = "%PDF-1.4\n%\xE1\xE9\xEB\xD3\n"; + static const char kHeader[] = "%PDF-1.4\n%" SKPDF_MAGIC "\n"; wStream->write(kHeader, strlen(kHeader)); // The PDF spec recommends including a comment with four // bytes, all with their high bits set. "\xD3\xEB\xE9\xE1" is @@ -39,6 +46,7 @@ void SkPDFObjectSerializer::serializeHeader(SkWStream* wStream, const SkPDFMetad this->addObjectRecursively(fInfoDict); this->serializeObjects(wStream); } +#undef SKPDF_MAGIC // Serialize all objects in the fObjNumMap that have not yet been serialized; void SkPDFObjectSerializer::serializeObjects(SkWStream* wStream) { |