1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8
9 #include "SkTypes.h"
10 #if defined(SK_BUILD_FOR_WIN32)
11
12 #include "SkXPSDocument.h"
13 #include "SkStream.h"
14 #include "SkHRESULT.h"
15
SkXPSDocument(SkWStream * stream,SkScalar dpi,SkTScopedComPtr<IXpsOMObjectFactory> xpsFactory)16 SkXPSDocument::SkXPSDocument(SkWStream* stream,
17 SkScalar dpi,
18 SkTScopedComPtr<IXpsOMObjectFactory> xpsFactory)
19 : SkDocument(stream, nullptr)
20 , fXpsFactory(std::move(xpsFactory))
21 , fDevice(SkISize{10000, 10000})
22 {
23 const SkScalar kPointsPerMeter = SkDoubleToScalar(360000.0 / 127.0);
24 fUnitsPerMeter.set(kPointsPerMeter, kPointsPerMeter);
25 SkScalar pixelsPerMeterScale = SkDoubleToScalar(dpi * 5000.0 / 127.0);
26 fPixelsPerMeter.set(pixelsPerMeterScale, pixelsPerMeterScale);
27 SkASSERT(fXpsFactory);
28 fDevice.beginPortfolio(stream, fXpsFactory.get());
29 }
30
~SkXPSDocument()31 SkXPSDocument::~SkXPSDocument() {
32 // subclasses must call close() in their destructors
33 this->close();
34 }
35
onBeginPage(SkScalar width,SkScalar height)36 SkCanvas* SkXPSDocument::onBeginPage(SkScalar width, SkScalar height) {
37 fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter, {width, height});
38 fCanvas.reset(new SkCanvas(&fDevice));
39 return fCanvas.get();
40 }
41
onEndPage()42 void SkXPSDocument::onEndPage() {
43 SkASSERT(fCanvas.get());
44 fCanvas->flush();
45 fCanvas.reset(nullptr);
46 fDevice.endSheet();
47 }
48
onClose(SkWStream *)49 void SkXPSDocument::onClose(SkWStream*) {
50 SkASSERT(!fCanvas.get());
51 (void)fDevice.endPortfolio();
52 }
53
onAbort()54 void SkXPSDocument::onAbort() {}
55
56 ///////////////////////////////////////////////////////////////////////////////
57
MakeXPS(SkWStream * stream,IXpsOMObjectFactory * factoryPtr,SkScalar dpi)58 sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream,
59 IXpsOMObjectFactory* factoryPtr,
60 SkScalar dpi) {
61 SkTScopedComPtr<IXpsOMObjectFactory> factory(SkSafeRefComPtr(factoryPtr));
62 return stream && factory
63 ? sk_make_sp<SkXPSDocument>(stream, dpi, std::move(factory))
64 : nullptr;
65 }
66
67 #endif//defined(SK_BUILD_FOR_WIN32)
68