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,const SkRect & trimBox)36 SkCanvas* SkXPSDocument::onBeginPage(SkScalar width,
37 SkScalar height,
38 const SkRect& trimBox) {
39 fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter,
40 SkSize::Make(width, height));
41 fCanvas.reset(new SkCanvas(&fDevice));
42 fCanvas->clipRect(trimBox);
43 fCanvas->translate(trimBox.x(), trimBox.y());
44 return fCanvas.get();
45 }
46
onEndPage()47 void SkXPSDocument::onEndPage() {
48 SkASSERT(fCanvas.get());
49 fCanvas->flush();
50 fCanvas.reset(nullptr);
51 fDevice.endSheet();
52 }
53
onClose(SkWStream *)54 void SkXPSDocument::onClose(SkWStream*) {
55 SkASSERT(!fCanvas.get());
56 (void)fDevice.endPortfolio();
57 }
58
onAbort()59 void SkXPSDocument::onAbort() {}
60
61 ///////////////////////////////////////////////////////////////////////////////
62
MakeXPS(SkWStream * stream,IXpsOMObjectFactory * factoryPtr,SkScalar dpi)63 sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream,
64 IXpsOMObjectFactory* factoryPtr,
65 SkScalar dpi) {
66 SkTScopedComPtr<IXpsOMObjectFactory> factory(SkSafeRefComPtr(factoryPtr));
67 return stream && factory
68 ? sk_make_sp<SkXPSDocument>(stream, dpi, std::move(factory))
69 : nullptr;
70 }
71
72 #endif//defined(SK_BUILD_FOR_WIN32)
73