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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PrintTargetCG.h"
#include "cairo.h"
#include "cairo-quartz.h"
#include "mozilla/gfx/HelpersCairo.h"
#include "nsObjCExceptions.h"
namespace mozilla {
namespace gfx {
PrintTargetCG::PrintTargetCG(PMPrintSession aPrintSession, PMPageFormat aPageFormat,
PMPrintSettings aPrintSettings, const IntSize& aSize)
: PrintTarget(/* aCairoSurface */ nullptr, aSize),
mPrintSession(aPrintSession),
mPageFormat(aPageFormat),
mPrintSettings(aPrintSettings) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
MOZ_ASSERT(mPrintSession && mPageFormat && mPrintSettings);
::PMRetain(mPrintSession);
::PMRetain(mPageFormat);
::PMRetain(mPrintSettings);
// TODO: Add memory reporting like gfxQuartzSurface.
// RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
NS_OBJC_END_TRY_ABORT_BLOCK;
}
PrintTargetCG::~PrintTargetCG() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
::PMRelease(mPrintSession);
::PMRelease(mPageFormat);
::PMRelease(mPrintSettings);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
/* static */ already_AddRefed<PrintTargetCG> PrintTargetCG::CreateOrNull(
PMPrintSession aPrintSession, PMPageFormat aPageFormat, PMPrintSettings aPrintSettings,
const IntSize& aSize) {
if (!Factory::CheckSurfaceSize(aSize)) {
return nullptr;
}
RefPtr<PrintTargetCG> target =
new PrintTargetCG(aPrintSession, aPageFormat, aPrintSettings, aSize);
return target.forget();
}
static size_t PutBytesNull(void* info, const void* buffer, size_t count) { return count; }
already_AddRefed<DrawTarget> PrintTargetCG::GetReferenceDrawTarget() {
if (!mRefDT) {
const IntSize size(1, 1);
CGDataConsumerCallbacks callbacks = {PutBytesNull, nullptr};
CGDataConsumerRef consumer = CGDataConsumerCreate(nullptr, &callbacks);
CGContextRef pdfContext = CGPDFContextCreate(consumer, nullptr, nullptr);
CGDataConsumerRelease(consumer);
cairo_surface_t* similar =
cairo_quartz_surface_create_for_cg_context(pdfContext, size.width, size.height);
CGContextRelease(pdfContext);
if (cairo_surface_status(similar)) {
return nullptr;
}
RefPtr<DrawTarget> dt = Factory::CreateDrawTargetForCairoSurface(similar, size);
// The DT addrefs the surface, so we need drop our own reference to it:
cairo_surface_destroy(similar);
if (!dt || !dt->IsValid()) {
return nullptr;
}
mRefDT = dt.forget();
}
return do_AddRef(mRefDT);
}
nsresult PrintTargetCG::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName,
int32_t aStartPage, int32_t aEndPage) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// Print Core of Application Service sent print job with names exceeding
// 255 bytes. This is a workaround until fix it.
// (https://openradar.appspot.com/34428043)
nsAutoString adjustedTitle;
PrintTarget::AdjustPrintJobNameForIPP(aTitle, adjustedTitle);
if (!adjustedTitle.IsEmpty()) {
CFStringRef cfString = ::CFStringCreateWithCharacters(
NULL, reinterpret_cast<const UniChar*>(adjustedTitle.BeginReading()),
adjustedTitle.Length());
if (cfString) {
::PMPrintSettingsSetJobName(mPrintSettings, cfString);
::CFRelease(cfString);
}
}
OSStatus status;
status = ::PMSetFirstPage(mPrintSettings, aStartPage, false);
NS_ASSERTION(status == noErr, "PMSetFirstPage failed");
status = ::PMSetLastPage(mPrintSettings, aEndPage, false);
NS_ASSERTION(status == noErr, "PMSetLastPage failed");
status = ::PMSessionBeginCGDocumentNoDialog(mPrintSession, mPrintSettings, mPageFormat);
return status == noErr ? NS_OK : NS_ERROR_ABORT;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult PrintTargetCG::EndPrinting() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
::PMSessionEndDocumentNoDialog(mPrintSession);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult PrintTargetCG::AbortPrinting() {
#ifdef DEBUG
mHasActivePage = false;
#endif
return EndPrinting();
}
nsresult PrintTargetCG::BeginPage() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
PMSessionError(mPrintSession);
OSStatus status = ::PMSessionBeginPageNoDialog(mPrintSession, mPageFormat, NULL);
if (status != noErr) {
return NS_ERROR_ABORT;
}
CGContextRef context;
// This call will fail if it wasn't called between the PMSessionBeginPage/
// PMSessionEndPage calls:
::PMSessionGetCGGraphicsContext(mPrintSession, &context);
if (!context) {
return NS_ERROR_FAILURE;
}
unsigned int width = static_cast<unsigned int>(mSize.width);
unsigned int height = static_cast<unsigned int>(mSize.height);
// Initially, origin is at bottom-left corner of the paper.
// Here, we translate it to top-left corner of the paper.
CGContextTranslateCTM(context, 0, height);
CGContextScaleCTM(context, 1.0, -1.0);
cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(context, width, height);
if (cairo_surface_status(surface)) {
return NS_ERROR_FAILURE;
}
mCairoSurface = surface;
return PrintTarget::BeginPage();
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult PrintTargetCG::EndPage() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
cairo_surface_finish(mCairoSurface);
mCairoSurface = nullptr;
OSStatus status = ::PMSessionEndPageNoDialog(mPrintSession);
if (status != noErr) {
return NS_ERROR_ABORT;
}
return PrintTarget::EndPage();
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
} // namespace gfx
} // namespace mozilla
|
