1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* 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,
void (*doneProc)(SkWStream*, bool),
SkScalar dpi,
SkTScopedComPtr<IXpsOMObjectFactory> xpsFactory)
: SkDocument(stream, doneProc)
, 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,
SkSize::Make(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() {}
static SkTScopedComPtr<IXpsOMObjectFactory> make_xps_factory() {
IXpsOMObjectFactory* factory;
HRN(CoCreateInstance(CLSID_XpsOMObjectFactory,
nullptr,
CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&factory)));
return SkTScopedComPtr<IXpsOMObjectFactory>(factory);
}
///////////////////////////////////////////////////////////////////////////////
// TODO(halcanary, reed): modify the SkDocument API to take a IXpsOMObjectFactory* pointer.
/*
sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream,
IXpsOMObjectFactory* factoryPtr,
SkScalar dpi) {
SkTScopedComPtr<IXpsOMObjectFactory> factory(SkSafeRefComPtr(factoryPtr));
return stream && factory
? sk_make_sp<SkXPSDocument>(stream, nullptr, dpi, std::move(factory))
: nullptr;
}
*/
sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream, SkScalar dpi) {
auto factory = make_xps_factory();
return stream && factory
? sk_make_sp<SkXPSDocument>(stream, nullptr, dpi, std::move(factory))
: nullptr;
}
sk_sp<SkDocument> SkDocument::MakeXPS(const char path[], SkScalar dpi) {
std::unique_ptr<SkFILEWStream> stream(new SkFILEWStream(path));
auto factory = make_xps_factory();
return stream->isValid() && factory
? sk_make_sp<SkXPSDocument>(stream.release(),
[](SkWStream* s, bool) { delete s; },
dpi, std::move(factory))
: nullptr;
}
#endif//defined(SK_BUILD_FOR_WIN32)
|
