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/*
* 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 "SkXPSDocument.h"
#include "SkStream.h"
#include "SkHRESULT.h"
SkXPSDocument::SkXPSDocument(SkWStream* stream,
SkScalar dpi,
SkTScopedComPtr<IXpsOMObjectFactory> xpsFactory)
: SkDocument(stream, nullptr)
, 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,
const SkRect& trimBox) {
fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter, {width, height});
fCanvas.reset(new SkCanvas(&fDevice));
fCanvas->clipRect(trimBox);
fCanvas->translate(trimBox.x(), trimBox.y());
return fCanvas.get();
}
void SkXPSDocument::onEndPage() {
SkASSERT(fCanvas.get());
fCanvas->flush();
fCanvas.reset(nullptr);
fDevice.endSheet();
}
void SkXPSDocument::onClose(SkWStream*) {
SkASSERT(!fCanvas.get());
(void)fDevice.endPortfolio();
}
void SkXPSDocument::onAbort() {}
///////////////////////////////////////////////////////////////////////////////
sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream,
IXpsOMObjectFactory* factoryPtr,
SkScalar dpi) {
SkTScopedComPtr<IXpsOMObjectFactory> factory(SkSafeRefComPtr(factoryPtr));
return stream && factory
? sk_make_sp<SkXPSDocument>(stream, dpi, std::move(factory))
: nullptr;
}
#endif//defined(SK_BUILD_FOR_WIN32)
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