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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPRINTENGINE_PDF_P_H
#define QPRINTENGINE_PDF_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "QtGui/qprintengine.h"
#ifndef QT_NO_PRINTER
#include "QtCore/qmap.h"
#include "QtGui/qmatrix.h"
#include "QtCore/qstring.h"
#include "QtCore/qvector.h"
#include "QtGui/qpaintengine.h"
#include "QtGui/qpainterpath.h"
#include "QtCore/qdatastream.h"
#include "private/qfontengine_p.h"
#include "private/qpdf_p.h"
#include "private/qpaintengine_p.h"
QT_BEGIN_NAMESPACE
// #define USE_NATIVE_GRADIENTS
class QImage;
class QDataStream;
class QPen;
class QPointF;
class QRegion;
class QFile;
class QPdfEngine;
class QPdfEnginePrivate;
class QPdfEngine : public QPdfBaseEngine
{
Q_DECLARE_PRIVATE(QPdfEngine)
public:
QPdfEngine(QPrinter::PrinterMode m);
virtual ~QPdfEngine();
// reimplementations QPaintEngine
bool begin(QPaintDevice *pdev);
bool end();
void drawPixmap (const QRectF & rectangle, const QPixmap & pixmap, const QRectF & sr);
void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,
Qt::ImageConversionFlags flags = Qt::AutoColor);
void drawTiledPixmap (const QRectF & rectangle, const QPixmap & pixmap, const QPointF & point);
Type type() const;
// end reimplementations QPaintEngine
// reimplementations QPrintEngine
bool abort() {return false;}
bool newPage();
QPrinter::PrinterState printerState() const {return state;}
// end reimplementations QPrintEngine
void setBrush();
// ### unused, should have something for this in QPrintEngine
void setAuthor(const QString &author);
QString author() const;
void setDevice(QIODevice* dev);
private:
Q_DISABLE_COPY(QPdfEngine)
QPrinter::PrinterState state;
};
class QPdfEnginePrivate : public QPdfBaseEnginePrivate
{
Q_DECLARE_PUBLIC(QPdfEngine)
public:
QPdfEnginePrivate(QPrinter::PrinterMode m);
~QPdfEnginePrivate();
void newPage();
int width() const {
QRect r = paperRect();
return qRound(r.width()*72./resolution);
}
int height() const {
QRect r = paperRect();
return qRound(r.height()*72./resolution);
}
void writeHeader();
void writeTail();
int addImage(const QImage &image, bool *bitmap, qint64 serial_no);
int addConstantAlphaObject(int brushAlpha, int penAlpha = 255);
int addBrushPattern(const QTransform &matrix, bool *specifyColor, int *gStateObject);
void drawTextItem(const QPointF &p, const QTextItemInt &ti);
QTransform pageMatrix() const;
private:
Q_DISABLE_COPY(QPdfEnginePrivate)
#ifdef USE_NATIVE_GRADIENTS
int gradientBrush(const QBrush &b, const QMatrix &matrix, int *gStateObject);
#endif
void writeInfo();
void writePageRoot();
void writeFonts();
void embedFont(QFontSubset *font);
QVector<int> xrefPositions;
QDataStream* stream;
int streampos;
int writeImage(const QByteArray &data, int width, int height, int depth,
int maskObject, int softMaskObject, bool dct = false);
void writePage();
int addXrefEntry(int object, bool printostr = true);
void printString(const QString &string);
void xprintf(const char* fmt, ...);
inline void write(const QByteArray &data) {
stream->writeRawData(data.constData(), data.size());
streampos += data.size();
}
int writeCompressed(const char *src, int len);
inline int writeCompressed(const QByteArray &data) { return writeCompressed(data.constData(), data.length()); }
int writeCompressed(QIODevice *dev);
// various PDF objects
int pageRoot, catalog, info, graphicsState, patternColorSpace;
QVector<uint> pages;
QHash<qint64, uint> imageCache;
QHash<QPair<uint, uint>, uint > alphaCache;
};
QT_END_NAMESPACE
#endif // QT_NO_PRINTER
#endif // QPRINTENGINE_PDF_P_H
|
