3 files changed, 249 insertions, 0 deletions
diff --git a/src/deps/skia/include/docs/BUILD.bazel b/src/deps/skia/include/docs/BUILD.bazel
new file mode 100644
index 000000000..c59bf7cae
--- /dev/null
+++ b/src/deps/skia/include/docs/BUILD.bazel
@@ -0,0 +1,26 @@
+load("//bazel:macros.bzl", "generated_cc_atom")
+
+generated_cc_atom(
+    name = "SkPDFDocument_hdr",
+    hdrs = ["SkPDFDocument.h"],
+    visibility = ["//:__subpackages__"],
+    deps = [
+        "//include/core:SkColor_hdr",
+        "//include/core:SkDocument_hdr",
+        "//include/core:SkMilestone_hdr",
+        "//include/core:SkScalar_hdr",
+        "//include/core:SkString_hdr",
+        "//include/core:SkTime_hdr",
+        "//include/private:SkNoncopyable_hdr",
+    ],
+)
+
+generated_cc_atom(
+    name = "SkXPSDocument_hdr",
+    hdrs = ["SkXPSDocument.h"],
+    visibility = ["//:__subpackages__"],
+    deps = [
+        "//include/core:SkDocument_hdr",
+        "//include/core:SkTypes_hdr",
+    ],
+)
diff --git a/src/deps/skia/include/docs/SkPDFDocument.h b/src/deps/skia/include/docs/SkPDFDocument.h
new file mode 100644
index 000000000..69e7c6b85
--- /dev/null
+++ b/src/deps/skia/include/docs/SkPDFDocument.h
@@ -0,0 +1,196 @@
+// Copyright 2018 Google LLC.
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+#ifndef SkPDFDocument_DEFINED
+#define SkPDFDocument_DEFINED
+
+#include "include/core/SkDocument.h"
+
+#include <vector>
+
+#include "include/core/SkColor.h"
+#include "include/core/SkMilestone.h"
+#include "include/core/SkScalar.h"
+#include "include/core/SkString.h"
+#include "include/core/SkTime.h"
+#include "include/private/SkNoncopyable.h"
+
+#define SKPDF_STRING(X) SKPDF_STRING_IMPL(X)
+#define SKPDF_STRING_IMPL(X) #X
+
+class SkExecutor;
+class SkPDFArray;
+class SkPDFTagTree;
+
+namespace SkPDF {
+
+/** Attributes for nodes in the PDF tree. */
+class SK_API AttributeList : SkNoncopyable {
+public:
+    AttributeList();
+    ~AttributeList();
+
+    // Each attribute must have an owner (e.g. "Layout", "List", "Table", etc)
+    // and an attribute name (e.g. "BBox", "RowSpan", etc.) from PDF32000_2008 14.8.5,
+    // and then a value of the proper type according to the spec.
+    void appendInt(const char* owner, const char* name, int value);
+    void appendFloat(const char* owner, const char* name, float value);
+    void appendName(const char* owner, const char* attrName, const char* value);
+    void appendString(const char* owner, const char* attrName, const char* value);
+    void appendFloatArray(const char* owner,
+                          const char* name,
+                          const std::vector<float>& value);
+    // Deprecated.
+    void appendStringArray(const char* owner,
+                           const char* attrName,
+                           const std::vector<SkString>& values);
+    void appendNodeIdArray(const char* owner,
+                           const char* attrName,
+                           const std::vector<int>& nodeIds);
+
+private:
+    friend class ::SkPDFTagTree;
+
+    std::unique_ptr<SkPDFArray> fAttrs;
+};
+
+/** A node in a PDF structure tree, giving a semantic representation
+    of the content.  Each node ID is associated with content
+    by passing the SkCanvas and node ID to SkPDF::SetNodeId() when drawing.
+    NodeIDs should be unique within each tree.
+*/
+struct StructureElementNode {
+    SkString fTypeString;
+    std::vector<std::unique_ptr<StructureElementNode>> fChildVector;
+    int fNodeId = 0;
+    std::vector<int> fAdditionalNodeIds;
+    AttributeList fAttributes;
+    SkString fAlt;
+    SkString fLang;
+};
+
+/** Optional metadata to be passed into the PDF factory function.
+*/
+struct Metadata {
+    /** The document's title.
+    */
+    SkString fTitle;
+
+    /** The name of the person who created the document.
+    */
+    SkString fAuthor;
+
+    /** The subject of the document.
+    */
+    SkString fSubject;
+
+    /** Keywords associated with the document.  Commas may be used to delineate
+        keywords within the string.
+    */
+    SkString fKeywords;
+
+    /** If the document was converted to PDF from another format,
+        the name of the conforming product that created the
+        original document from which it was converted.
+    */
+    SkString fCreator;
+
+    /** The product that is converting this document to PDF.
+    */
+    SkString fProducer = SkString("Skia/PDF m" SKPDF_STRING(SK_MILESTONE));
+
+    /** The date and time the document was created.
+        The zero default value represents an unknown/unset time.
+    */
+    SkTime::DateTime fCreation = {0, 0, 0, 0, 0, 0, 0, 0};
+
+    /** The date and time the document was most recently modified.
+        The zero default value represents an unknown/unset time.
+    */
+    SkTime::DateTime fModified = {0, 0, 0, 0, 0, 0, 0, 0};
+
+    /** The DPI (pixels-per-inch) at which features without native PDF support
+        will be rasterized (e.g. draw image with perspective, draw text with
+        perspective, ...)  A larger DPI would create a PDF that reflects the
+        original intent with better fidelity, but it can make for larger PDF
+        files too, which would use more memory while rendering, and it would be
+        slower to be processed or sent online or to printer.
+    */
+    SkScalar fRasterDPI = SK_ScalarDefaultRasterDPI;
+
+    /** If true, include XMP metadata, a document UUID, and sRGB output intent
+        information.  This adds length to the document and makes it
+        non-reproducable, but are necessary features for PDF/A-2b conformance
+    */
+    bool fPDFA = false;
+
+    /** Encoding quality controls the trade-off between size and quality. By
+        default this is set to 101 percent, which corresponds to lossless
+        encoding. If this value is set to a value <= 100, and the image is
+        opaque, it will be encoded (using JPEG) with that quality setting.
+    */
+    int fEncodingQuality = 101;
+
+    /** An optional tree of structured document tags that provide
+        a semantic representation of the content. The caller
+        should retain ownership.
+    */
+    StructureElementNode* fStructureElementTreeRoot = nullptr;
+
+    /** Executor to handle threaded work within PDF Backend. If this is nullptr,
+        then all work will be done serially on the main thread. To have worker
+        threads assist with various tasks, set this to a valid SkExecutor
+        instance. Currently used for executing Deflate algorithm in parallel.
+
+        If set, the PDF output will be non-reproducible in the order and
+        internal numbering of objects, but should render the same.
+
+        Experimental.
+    */
+    SkExecutor* fExecutor = nullptr;
+
+    /** Preferred Subsetter. Only respected if both are compiled in.
+
+        The Sfntly subsetter is deprecated.
+
+        Experimental.
+    */
+    enum Subsetter {
+        kHarfbuzz_Subsetter,
+        kSfntly_Subsetter,
+    } fSubsetter = kHarfbuzz_Subsetter;
+};
+
+/** Associate a node ID with subsequent drawing commands in an
+    SkCanvas.  The same node ID can appear in a StructureElementNode
+    in order to associate a document's structure element tree with
+    its content.
+
+    A node ID of zero indicates no node ID.
+
+    @param canvas  The canvas used to draw to the PDF.
+    @param nodeId  The node ID for subsequent drawing commands.
+*/
+SK_API void SetNodeId(SkCanvas* dst, int nodeID);
+
+/** Create a PDF-backed document, writing the results into a SkWStream.
+
+    PDF pages are sized in point units. 1 pt == 1/72 inch == 127/360 mm.
+
+    @param stream A PDF document will be written to this stream.  The document may write
+           to the stream at anytime during its lifetime, until either close() is
+           called or the document is deleted.
+    @param metadata a PDFmetadata object.  Any fields may be left empty.
+
+    @returns NULL if there is an error, otherwise a newly created PDF-backed SkDocument.
+*/
+SK_API sk_sp<SkDocument> MakeDocument(SkWStream* stream, const Metadata& metadata);
+
+static inline sk_sp<SkDocument> MakeDocument(SkWStream* stream) {
+    return MakeDocument(stream, Metadata());
+}
+
+}  // namespace SkPDF
+
+#undef SKPDF_STRING
+#undef SKPDF_STRING_IMPL
+#endif  // SkPDFDocument_DEFINED
diff --git a/src/deps/skia/include/docs/SkXPSDocument.h b/src/deps/skia/include/docs/SkXPSDocument.h
new file mode 100644
index 000000000..5cd0777c9
--- /dev/null
+++ b/src/deps/skia/include/docs/SkXPSDocument.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkXPSDocument_DEFINED
+#define SkXPSDocument_DEFINED
+
+#include "include/core/SkTypes.h"
+
+#ifdef SK_BUILD_FOR_WIN
+
+#include "include/core/SkDocument.h"
+
+struct IXpsOMObjectFactory;
+
+namespace SkXPS {
+
+SK_API sk_sp<SkDocument> MakeDocument(SkWStream* stream,
+                                      IXpsOMObjectFactory* xpsFactory,
+                                      SkScalar dpi = SK_ScalarDefaultRasterDPI);
+
+}  // namespace SkXPS
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkXPSDocument_DEFINED