SkPDF: move all pdf sources into src/pdf

also, consolidate XPS backend into src/xps

remove from include/ almost always a good thing.
TBR=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1781773002
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot

Review URL: https://codereview.chromium.org/1781773002

9 files changed, 414 insertions, 17 deletions

diff --git a/src/doc/SkDocument.cpp b/src/core/SkDocument.cpp
index fa25e44f86..fa25e44f86 100644
--- a/src/doc/SkDocument.cpp
+++ b/src/core/SkDocument.cpp
diff --git a/src/doc/SkDocument_PDF_None.cpp b/src/pdf/SkDocument_PDF_None.cpp
index f146cba018..f146cba018 100644
--- a/src/doc/SkDocument_PDF_None.cpp
+++ b/src/pdf/SkDocument_PDF_None.cpp
diff --git a/src/doc/SkDocument_PDF.cpp b/src/pdf/SkPDFDocument.cpp
index c866648ae7..bacd9eccc7 100644
--- a/src/doc/SkDocument_PDF.cpp
+++ b/src/pdf/SkPDFDocument.cpp
@@ -5,17 +5,15 @@
  * found in the LICENSE file.
  */
 
-#include "SkDocument.h"
 #include "SkPDFCanon.h"
 #include "SkPDFDevice.h"
+#include "SkPDFDocument.h"
 #include "SkPDFFont.h"
+#include "SkPDFMetadata.h"
 #include "SkPDFStream.h"
 #include "SkPDFTypes.h"
 #include "SkPDFUtils.h"
 #include "SkStream.h"
-#include "SkPDFMetadata.h"
-
-class SkPDFDict;
 
 static void emit_pdf_header(SkWStream* stream) {
     stream->writeText("%PDF-1.4\n%");
@@ -309,9 +307,9 @@ template <typename T> static T* clone(const T* o) { return o ? new T(*o) : nullp
 ////////////////////////////////////////////////////////////////////////////////
 
 namespace {
-class SkDocument_PDF : public SkDocument {
+class SkPDFDocument : public SkDocument {
 public:
-    SkDocument_PDF(SkWStream* stream,
+    SkPDFDocument(SkWStream* stream,
                    void (*doneProc)(SkWStream*, bool),
                    SkScalar rasterDpi,
                    SkPixelSerializer* jpegEncoder)
@@ -320,7 +318,7 @@ public:
         fCanon.setPixelSerializer(SkSafeRef(jpegEncoder));
     }
 
-    virtual ~SkDocument_PDF() {
+    virtual ~SkPDFDocument() {
         // subclasses must call close() in their destructors
         this->close();
     }
@@ -380,24 +378,27 @@ private:
 }  // namespace
 ///////////////////////////////////////////////////////////////////////////////
 
+sk_sp<SkDocument> SkPDFMakeDocument(SkWStream* stream,
+                                    void (*proc)(SkWStream*, bool),
+                                    SkScalar dpi,
+                                    SkPixelSerializer* jpeg) {
+    return stream ? sk_make_sp<SkPDFDocument>(stream, proc, dpi, jpeg) : nullptr;
+}
+
 SkDocument* SkDocument::CreatePDF(SkWStream* stream, SkScalar dpi) {
-    return stream ? new SkDocument_PDF(stream, nullptr, dpi, nullptr) : nullptr;
+    return SkPDFMakeDocument(stream, nullptr, dpi, nullptr).release();
 }
 
 SkDocument* SkDocument::CreatePDF(SkWStream* stream,
                                   SkScalar dpi,
                                   SkPixelSerializer* jpegEncoder) {
-    return stream
-        ? new SkDocument_PDF(stream, nullptr, dpi, jpegEncoder)
-        : nullptr;
+    return SkPDFMakeDocument(stream, nullptr, dpi, jpegEncoder).release();
 }
 
 SkDocument* SkDocument::CreatePDF(const char path[], SkScalar dpi) {
-    SkFILEWStream* stream = new SkFILEWStream(path);
-    if (!stream->isValid()) {
-        delete stream;
-        return nullptr;
-    }
     auto delete_wstream = [](SkWStream* stream, bool) { delete stream; };
-    return new SkDocument_PDF(stream, delete_wstream, dpi, nullptr);
+    SkAutoTDelete<SkFILEWStream> stream(new SkFILEWStream(path));
+    return stream->isValid()
+        ? SkPDFMakeDocument(stream.detach(), delete_wstream, dpi, nullptr).release()
+        : nullptr;
 }
diff --git a/src/pdf/SkPDFDocument.h b/src/pdf/SkPDFDocument.h
new file mode 100644
index 0000000000..8ed76778fe
--- /dev/null
+++ b/src/pdf/SkPDFDocument.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * 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 "SkDocument.h"
+
+sk_sp<SkDocument> SkPDFMakeDocument(
+        SkWStream* stream,
+        void (*doneProc)(SkWStream*, bool),
+        SkScalar rasterDpi,
+        SkPixelSerializer* jpegEncoder);
+
+#endif  // SkPDFDocument_DEFINED
diff --git a/src/xps/SkConstexprMath.h b/src/xps/SkConstexprMath.h
new file mode 100644
index 0000000000..9625d5112b
--- /dev/null
+++ b/src/xps/SkConstexprMath.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkConstexprMath_DEFINED
+#define SkConstexprMath_DEFINED
+
+#include "SkTypes.h"
+#include <limits.h>
+
+template <uintmax_t N, uintmax_t B>
+struct SK_LOG {
+    //! Compile-time constant ceiling(logB(N)).
+    static const uintmax_t value = 1 + SK_LOG<N/B, B>::value;
+};
+template <uintmax_t B>
+struct SK_LOG<1, B> {
+    static const uintmax_t value = 0;
+};
+template <uintmax_t B>
+struct SK_LOG<0, B> {
+    static const uintmax_t value = 0;
+};
+
+template<uintmax_t N>
+struct SK_2N1 {
+    //! Compile-time constant (2^N)-1.
+    static const uintmax_t value = (SK_2N1<N-1>::value << 1) + 1;
+};
+template<>
+struct SK_2N1<1> {
+    static const uintmax_t value = 1;
+};
+
+/** Compile-time constant number of base n digits in type t
+    if the bits of type t are considered as unsigned base two.
+*/
+#define SK_BASE_N_DIGITS_IN(n, t) (\
+    SK_LOG<SK_2N1<(sizeof(t) * CHAR_BIT)>::value, n>::value\
+)
+/** Compile-time constant number of base 10 digits in type t
+    if the bits of type t are considered as unsigned base two.
+*/
+#define SK_DIGITS_IN(t) SK_BASE_N_DIGITS_IN(10, (t))
+
+// Compile-time constant maximum value of two unsigned values.
+template <uintmax_t a, uintmax_t b> struct SkTUMax {
+    static const uintmax_t value = (b < a) ? a : b;
+};
+
+#endif
diff --git a/src/doc/SkDocument_XPS.cpp b/src/xps/SkDocument_XPS.cpp
index 0e241d9aaa..0e241d9aaa 100644
--- a/src/doc/SkDocument_XPS.cpp
+++ b/src/xps/SkDocument_XPS.cpp
diff --git a/src/doc/SkDocument_XPS_None.cpp b/src/xps/SkDocument_XPS_None.cpp
index 32b18fb221..32b18fb221 100644
--- a/src/doc/SkDocument_XPS_None.cpp
+++ b/src/xps/SkDocument_XPS_None.cpp
diff --git a/src/device/xps/SkXPSDevice.cpp b/src/xps/SkXPSDevice.cpp
index e4ac2aa742..e4ac2aa742 100644
--- a/src/device/xps/SkXPSDevice.cpp
+++ b/src/xps/SkXPSDevice.cpp
diff --git a/src/xps/SkXPSDevice.h b/src/xps/SkXPSDevice.h
new file mode 100644
index 0000000000..57f314851e
--- /dev/null
+++ b/src/xps/SkXPSDevice.h
@@ -0,0 +1,324 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkXPSDevice_DEFINED
+#define SkXPSDevice_DEFINED
+
+#include "SkTypes.h"
+
+#ifdef SK_BUILD_FOR_WIN
+
+#include <ObjBase.h>
+#include <XpsObjectModel.h>
+
+#include "SkAutoCoInitialize.h"
+#include "SkBitmapDevice.h"
+#include "SkBitSet.h"
+#include "SkCanvas.h"
+#include "SkColor.h"
+#include "SkPaint.h"
+#include "SkPath.h"
+#include "SkPoint.h"
+#include "SkShader.h"
+#include "SkSize.h"
+#include "SkTArray.h"
+#include "SkTScopedComPtr.h"
+#include "SkTypeface.h"
+
+//#define SK_XPS_USE_DETERMINISTIC_IDS
+
+/** \class SkXPSDevice
+
+    The drawing context for the XPS backend.
+*/
+class SkXPSDevice : public SkBitmapDevice {
+public:
+    SK_API SkXPSDevice();
+    SK_API virtual ~SkXPSDevice();
+
+    virtual bool beginPortfolio(SkWStream* outputStream);
+    /**
+      @param unitsPerMeter converts geometry units into physical units.
+      @param pixelsPerMeter resolution to use when geometry must be rasterized.
+      @param trimSize final page size in physical units.
+                      The top left of the trim is the origin of physical space.
+      @param mediaBox The size of the physical media in physical units.
+                      The top and left must be less than zero.
+                      The bottom and right must be greater than the trimSize.
+                      The default is to coincide with the trimSize.
+      @param bleedBox The size of the bleed box in physical units.
+                      Must be contained within the mediaBox.
+                      The default is to coincide with the mediaBox.
+      @param artBox The size of the content box in physical units.
+                    Must be contained within the trimSize.
+                    The default is to coincide with the trimSize.
+      @param cropBox The size of the recommended view port in physical units.
+                     Must be contained within the mediaBox.
+                     The default is to coincide with the mediaBox.
+     */
+    virtual bool beginSheet(
+        const SkVector& unitsPerMeter,
+        const SkVector& pixelsPerMeter,
+        const SkSize& trimSize,
+        const SkRect* mediaBox = NULL,
+        const SkRect* bleedBox = NULL,
+        const SkRect* artBox = NULL,
+        const SkRect* cropBox = NULL);
+
+    virtual bool endSheet();
+    virtual bool endPortfolio();
+
+protected:
+    void drawPaint(const SkDraw&, const SkPaint& paint) override;
+
+    virtual void drawPoints(
+        const SkDraw&,
+        SkCanvas::PointMode mode,
+        size_t count, const SkPoint[],
+        const SkPaint& paint) override;
+
+    virtual void drawRect(
+        const SkDraw&,
+        const SkRect& r,
+        const SkPaint& paint) override;
+
+    virtual void drawRRect(
+        const SkDraw&,
+        const SkRRect&,
+        const SkPaint& paint) override;
+
+    virtual void drawPath(
+        const SkDraw&,
+        const SkPath& platonicPath,
+        const SkPaint& paint,
+        const SkMatrix* prePathMatrix,
+        bool pathIsMutable) override;
+
+    virtual void drawBitmap(
+        const SkDraw&,
+        const SkBitmap& bitmap,
+        const SkMatrix& matrix,
+        const SkPaint& paint) override;
+
+    virtual void drawSprite(
+        const SkDraw&,
+        const SkBitmap& bitmap,
+        int x, int y,
+        const SkPaint& paint) override;
+
+    virtual void drawText(
+        const SkDraw&,
+        const void* text, size_t len,
+        SkScalar x, SkScalar y,
+        const SkPaint& paint) override;
+
+    virtual void drawPosText(
+        const SkDraw&,
+        const void* text, size_t len,
+        const SkScalar pos[], int scalarsPerPos,
+        const SkPoint& offset, const SkPaint& paint) override;
+
+    virtual void drawVertices(
+        const SkDraw&,
+        SkCanvas::VertexMode,
+        int vertexCount, const SkPoint verts[],
+        const SkPoint texs[], const SkColor colors[],
+        SkXfermode* xmode,
+        const uint16_t indices[], int indexCount,
+        const SkPaint& paint) override;
+
+    virtual void drawDevice(
+        const SkDraw&,
+        SkBaseDevice* device,
+        int x, int y,
+        const SkPaint& paint) override;
+
+private:
+    class TypefaceUse : ::SkNoncopyable {
+    public:
+        SkFontID typefaceId;
+        int ttcIndex;
+        SkStream* fontData;
+        IXpsOMFontResource* xpsFont;
+        SkBitSet* glyphsUsed;
+
+        explicit TypefaceUse();
+        ~TypefaceUse();
+    };
+    friend static HRESULT subset_typeface(TypefaceUse* current);
+
+    SkXPSDevice(IXpsOMObjectFactory* xpsFactory);
+
+    SkAutoCoInitialize fAutoCo;
+    SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory;
+    SkTScopedComPtr<IStream> fOutputStream;
+    SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter;
+
+    unsigned int fCurrentPage;
+    SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas;
+    SkSize fCurrentCanvasSize;
+    SkVector fCurrentUnitsPerMeter;
+    SkVector fCurrentPixelsPerMeter;
+
+    SkTArray<TypefaceUse, true> fTypefaces;
+
+    /** Creates a GUID based id and places it into buffer.
+        buffer should have space for at least GUID_ID_LEN wide characters.
+        The string will always be wchar null terminated.
+        XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX0
+        The string may begin with a digit,
+        and so may not be suitable as a bare resource key.
+     */
+    HRESULT createId(wchar_t* buffer, size_t bufferSize, wchar_t sep = '-');
+#ifdef SK_XPS_USE_DETERMINISTIC_IDS
+    decltype(GUID::Data1) fNextId = 0;
+#endif
+
+    HRESULT initXpsDocumentWriter(IXpsOMImageResource* image);
+
+    HRESULT createXpsPage(
+        const XPS_SIZE& pageSize,
+        IXpsOMPage** page);
+
+    HRESULT createXpsThumbnail(
+        IXpsOMPage* page, const unsigned int pageNumber,
+        IXpsOMImageResource** image);
+
+    void internalDrawRect(
+        const SkDraw&,
+        const SkRect& r,
+        bool transformRect,
+        const SkPaint& paint);
+
+    HRESULT createXpsBrush(
+        const SkPaint& skPaint,
+        IXpsOMBrush** xpsBrush,
+        const SkMatrix* parentTransform = NULL);
+
+    HRESULT createXpsSolidColorBrush(
+        const SkColor skColor, const SkAlpha alpha,
+        IXpsOMBrush** xpsBrush);
+
+    HRESULT createXpsImageBrush(
+        const SkBitmap& bitmap,
+        const SkMatrix& localMatrix,
+        const SkShader::TileMode (&xy)[2],
+        const SkAlpha alpha,
+        IXpsOMTileBrush** xpsBrush);
+
+    HRESULT createXpsLinearGradient(
+        SkShader::GradientInfo info,
+        const SkAlpha alpha,
+        const SkMatrix& localMatrix,
+        IXpsOMMatrixTransform* xpsMatrixToUse,
+        IXpsOMBrush** xpsBrush);
+
+    HRESULT createXpsRadialGradient(
+        SkShader::GradientInfo info,
+        const SkAlpha alpha,
+        const SkMatrix& localMatrix,
+        IXpsOMMatrixTransform* xpsMatrixToUse,
+        IXpsOMBrush** xpsBrush);
+
+    HRESULT createXpsGradientStop(
+        const SkColor skColor,
+        const SkScalar offset,
+        IXpsOMGradientStop** xpsGradStop);
+
+    HRESULT createXpsTransform(
+        const SkMatrix& matrix,
+        IXpsOMMatrixTransform ** xpsTransform);
+
+    HRESULT createXpsRect(
+        const SkRect& rect,
+        BOOL stroke, BOOL fill,
+        IXpsOMGeometryFigure** xpsRect);
+
+    HRESULT createXpsQuad(
+        const SkPoint (&points)[4],
+        BOOL stroke, BOOL fill,
+        IXpsOMGeometryFigure** xpsQuad);
+
+    HRESULT CreateTypefaceUse(
+        const SkPaint& paint,
+        TypefaceUse** fontResource);
+
+    HRESULT AddGlyphs(
+        const SkDraw& d,
+        IXpsOMObjectFactory* xpsFactory,
+        IXpsOMCanvas* canvas,
+        TypefaceUse* font,
+        LPCWSTR text,
+        XPS_GLYPH_INDEX* xpsGlyphs,
+        UINT32 xpsGlyphsLen,
+        XPS_POINT *origin,
+        FLOAT fontSize,
+        XPS_STYLE_SIMULATION sims,
+        const SkMatrix& transform,
+        const SkPaint& paint);
+
+    HRESULT addXpsPathGeometry(
+        IXpsOMGeometryFigureCollection* figures,
+        BOOL stroke, BOOL fill, const SkPath& path);
+
+    HRESULT createPath(
+        IXpsOMGeometryFigure* figure,
+        IXpsOMVisualCollection* visuals,
+        IXpsOMPath** path);
+
+    HRESULT sideOfClamp(
+        const SkRect& leftPoints, const XPS_RECT& left,
+        IXpsOMImageResource* imageResource,
+        IXpsOMVisualCollection* visuals);
+
+    HRESULT cornerOfClamp(
+        const SkRect& tlPoints,
+        const SkColor color,
+        IXpsOMVisualCollection* visuals);
+
+    HRESULT clip(
+        IXpsOMVisual* xpsVisual,
+        const SkDraw& d);
+    HRESULT clipToPath(
+        IXpsOMVisual* xpsVisual,
+        const SkPath& clipPath,
+        XPS_FILL_RULE fillRule);
+
+    HRESULT drawInverseWindingPath(
+        const SkDraw& d,
+        const SkPath& devicePath,
+        IXpsOMPath* xpsPath);
+
+    HRESULT shadePath(
+        IXpsOMPath* shadedPath,
+        const SkPaint& shaderPaint,
+        const SkMatrix& matrix,
+        BOOL* fill, BOOL* stroke);
+
+    void convertToPpm(
+        const SkMaskFilter* filter,
+        SkMatrix* matrix,
+        SkVector* ppuScale,
+        const SkIRect& clip, SkIRect* clipIRect);
+
+    HRESULT applyMask(
+        const SkDraw& d,
+        const SkMask& mask,
+        const SkVector& ppuScale,
+        IXpsOMPath* shadedPath);
+
+    SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override;
+
+    // Disable the default copy and assign implementation.
+    SkXPSDevice(const SkXPSDevice&);
+    void operator=(const SkXPSDevice&);
+
+    typedef SkBitmapDevice INHERITED;
+};
+
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkXPSDevice_DEFINED