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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKPIXMAPCACHE_H
#define QQUICKPIXMAPCACHE_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 <QtCore/qcoreapplication.h>
#include <QtCore/qstring.h>
#include <QtGui/qpixmap.h>
#include <QtCore/qurl.h>
#include <private/qtquickglobal_p.h>
#include <QtQuick/qquickimageprovider.h>
#include <private/qintrusivelist_p.h>
QT_BEGIN_NAMESPACE
class QQmlEngine;
class QQuickPixmapData;
class QQuickTextureFactory;
class QQuickImageProviderOptionsPrivate;
class QQuickDefaultTextureFactory : public QQuickTextureFactory
{
Q_OBJECT
public:
QQuickDefaultTextureFactory(const QImage &i);
QSGTexture *createTexture(QQuickWindow *window) const override;
QSize textureSize() const override { return size; }
int textureByteCount() const override { return size.width() * size.height() * 4; }
QImage image() const override { return im; }
private:
QImage im;
QSize size;
};
class QQuickImageProviderPrivate
{
public:
QQuickImageProvider::ImageType type;
QQuickImageProvider::Flags flags;
bool isProviderWithOptions;
};
// ### Qt 6: Make public moving to qquickimageprovider.h
class Q_QUICK_PRIVATE_EXPORT QQuickImageProviderOptions
{
public:
enum AutoTransform {
UsePluginDefaultTransform = -1,
ApplyTransform = 0,
DoNotApplyTransform = 1
};
QQuickImageProviderOptions();
~QQuickImageProviderOptions();
QQuickImageProviderOptions(const QQuickImageProviderOptions&);
QQuickImageProviderOptions& operator=(const QQuickImageProviderOptions&);
bool operator==(const QQuickImageProviderOptions&) const;
AutoTransform autoTransform() const;
void setAutoTransform(AutoTransform autoTransform);
bool preserveAspectRatioCrop() const;
void setPreserveAspectRatioCrop(bool preserveAspectRatioCrop);
bool preserveAspectRatioFit() const;
void setPreserveAspectRatioFit(bool preserveAspectRatioFit);
QColorSpace targetColorSpace() const;
void setTargetColorSpace(const QColorSpace &colorSpace);
private:
QSharedDataPointer<QQuickImageProviderOptionsPrivate> d;
};
class Q_QUICK_PRIVATE_EXPORT QQuickPixmap
{
Q_DECLARE_TR_FUNCTIONS(QQuickPixmap)
public:
QQuickPixmap();
QQuickPixmap(QQmlEngine *, const QUrl &);
QQuickPixmap(QQmlEngine *, const QUrl &, const QRect ®ion, const QSize &);
QQuickPixmap(const QUrl &, const QImage &image);
~QQuickPixmap();
enum Status { Null, Ready, Error, Loading };
enum Option {
Asynchronous = 0x00000001,
Cache = 0x00000002
};
Q_DECLARE_FLAGS(Options, Option)
bool isNull() const;
bool isReady() const;
bool isError() const;
bool isLoading() const;
Status status() const;
QString error() const;
const QUrl &url() const;
const QSize &implicitSize() const;
const QRect &requestRegion() const;
const QSize &requestSize() const;
QQuickImageProviderOptions::AutoTransform autoTransform() const;
int frameCount() const;
QImage image() const;
void setImage(const QImage &);
void setPixmap(const QQuickPixmap &other);
QColorSpace colorSpace() const;
QQuickTextureFactory *textureFactory() const;
QRect rect() const;
int width() const;
int height() const;
void load(QQmlEngine *, const QUrl &);
void load(QQmlEngine *, const QUrl &, QQuickPixmap::Options options);
void load(QQmlEngine *, const QUrl &, const QRect &requestRegion, const QSize &requestSize);
void load(QQmlEngine *, const QUrl &, const QRect &requestRegion, const QSize &requestSize, QQuickPixmap::Options options);
void load(QQmlEngine *, const QUrl &, const QRect &requestRegion, const QSize &requestSize,
QQuickPixmap::Options options, const QQuickImageProviderOptions &providerOptions, int frame = 0, int frameCount = 1);
void clear();
void clear(QObject *);
bool connectFinished(QObject *, const char *);
bool connectFinished(QObject *, int);
bool connectDownloadProgress(QObject *, const char *);
bool connectDownloadProgress(QObject *, int);
static void purgeCache();
static bool isCached(const QUrl &url, const QRect &requestRegion, const QSize &requestSize,
const int frame, const QQuickImageProviderOptions &options);
static const QLatin1String itemGrabberScheme;
private:
Q_DISABLE_COPY(QQuickPixmap)
QQuickPixmapData *d;
QIntrusiveListNode dataListNode;
friend class QQuickPixmapData;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickPixmap::Options)
// ### Qt 6: This should be made public in Qt 6. It's functionality can't be merged into
// QQuickImageProvider without breaking source compatibility.
class Q_QUICK_PRIVATE_EXPORT QQuickImageProviderWithOptions : public QQuickAsyncImageProvider
{
public:
QQuickImageProviderWithOptions(ImageType type, Flags flags = Flags());
QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize) override;
QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize) override;
QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize) override;
QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override;
virtual QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options);
virtual QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options);
virtual QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options);
virtual QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize, const QQuickImageProviderOptions &options);
static QSize loadSize(const QSize &originalSize, const QSize &requestedSize, const QByteArray &format, const QQuickImageProviderOptions &options);
static QQuickImageProviderWithOptions *checkedCast(QQuickImageProvider *provider);
};
QT_END_NAMESPACE
#endif // QQUICKPIXMAPCACHE_H
|
