/* * 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 "include/core/SkTypes.h" #if defined(SK_BUILD_FOR_WIN) #include "include/docs/SkXPSDocument.h" #include "include/core/SkStream.h" #include "src/utils/win/SkHRESULT.h" #include "src/utils/win/SkTScopedComPtr.h" #include "src/xps/SkXPSDevice.h" #include namespace { struct SkXPSDocument final : public SkDocument { SkTScopedComPtr fXpsFactory; SkXPSDevice fDevice; std::unique_ptr fCanvas; SkVector fUnitsPerMeter; SkVector fPixelsPerMeter; SkXPSDocument(SkWStream*, SkScalar dpi, SkTScopedComPtr); ~SkXPSDocument() override; SkCanvas* onBeginPage(SkScalar w, SkScalar h) override; void onEndPage() override; void onClose(SkWStream*) override; void onAbort() override; }; } SkXPSDocument::SkXPSDocument(SkWStream* stream, SkScalar dpi, SkTScopedComPtr xpsFactory) : SkDocument(stream) , fXpsFactory(std::move(xpsFactory)) , fDevice(SkISize{10000, 10000}) { const SkScalar kPointsPerMeter = SkDoubleToScalar(360000.0 / 127.0); fUnitsPerMeter.set(kPointsPerMeter, kPointsPerMeter); SkScalar pixelsPerMeterScale = SkDoubleToScalar(dpi * 5000.0 / 127.0); fPixelsPerMeter.set(pixelsPerMeterScale, pixelsPerMeterScale); SkASSERT(fXpsFactory); fDevice.beginPortfolio(stream, fXpsFactory.get()); } SkXPSDocument::~SkXPSDocument() { // subclasses must call close() in their destructors this->close(); } SkCanvas* SkXPSDocument::onBeginPage(SkScalar width, SkScalar height) { fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter, {width, height}); fCanvas.reset(new SkCanvas(sk_ref_sp(&fDevice))); return fCanvas.get(); } void SkXPSDocument::onEndPage() { SkASSERT(fCanvas.get()); fCanvas.reset(nullptr); fDevice.endSheet(); } void SkXPSDocument::onClose(SkWStream*) { SkASSERT(!fCanvas.get()); (void)fDevice.endPortfolio(); } void SkXPSDocument::onAbort() {} /////////////////////////////////////////////////////////////////////////////// sk_sp SkXPS::MakeDocument(SkWStream* stream, IXpsOMObjectFactory* factoryPtr, SkScalar dpi) { SkTScopedComPtr factory(SkSafeRefComPtr(factoryPtr)); return stream && factory ? sk_make_sp(stream, dpi, std::move(factory)) : nullptr; } #endif // defined(SK_BUILD_FOR_WIN)