SkPDF: move all pdf sources into src/pdf

src/doc/SkDocument_XPS.cpp

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkTypes.h"
-#if defined(SK_BUILD_FOR_WIN32)
-
-#include "SkDocument.h"
-#include "SkXPSDevice.h"
-#include "SkStream.h"
-
-class SkDocument_XPS : public SkDocument {
-public:
-    SkDocument_XPS(SkWStream* stream,
-                   void (*doneProc)(SkWStream*, bool),
-                   SkScalar dpi)
-        : SkDocument(stream, doneProc) {
-        const SkScalar kPointsPerMeter = SkDoubleToScalar(360000.0 / 127.0);
-        fUnitsPerMeter.set(kPointsPerMeter, kPointsPerMeter);
-        SkScalar pixelsPerMeterScale = SkDoubleToScalar(dpi * 5000.0 / 127.0);
-        fPixelsPerMeter.set(pixelsPerMeterScale, pixelsPerMeterScale);
-        fDevice.beginPortfolio(stream);
-    }
-
-    virtual ~SkDocument_XPS() {
-        // subclasses must call close() in their destructors
-        this->close();
-    }
-
-protected:
-    SkCanvas* onBeginPage(SkScalar width,
-                          SkScalar height,
-                          const SkRect& trimBox) override {
-        fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter,
-                           SkSize::Make(width, height));
-        fCanvas.reset(new SkCanvas(&fDevice));
-        fCanvas->clipRect(trimBox);
-        fCanvas->translate(trimBox.x(), trimBox.y());
-        return fCanvas.get();
-    }
-
-    void onEndPage() override {
-        SkASSERT(fCanvas.get());
-        fCanvas->flush();
-        fCanvas.reset(nullptr);
-        fDevice.endSheet();
-    }
-
-    bool onClose(SkWStream*) override {
-        SkASSERT(!fCanvas.get());
-        return fDevice.endPortfolio();
-    }
-
-    void onAbort() override {}
-
-private:
-    SkXPSDevice fDevice;
-    SkAutoTUnref<SkCanvas> fCanvas;
-    SkVector fUnitsPerMeter;
-    SkVector fPixelsPerMeter;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-SkDocument* SkDocument::CreateXPS(SkWStream* stream, SkScalar dpi) {
-    return stream ? new SkDocument_XPS(stream, nullptr, dpi) : nullptr;
-}
-
-static void delete_wstream(SkWStream* stream, bool aborted) { delete stream; }
-
-SkDocument* SkDocument::CreateXPS(const char path[], SkScalar dpi) {
-    SkAutoTDelete<SkFILEWStream> stream(new SkFILEWStream(path));
-    if (!stream->isValid()) {
-        return nullptr;
-    }
-    return new SkDocument_XPS(stream.detach(), delete_wstream, dpi);
-}
-
-#endif//defined(SK_BUILD_FOR_WIN32)