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qquickimagebase_p.h
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQUICKIMAGEBASE_P_H
5#define QQUICKIMAGEBASE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qquickimplicitsizeitem_p.h"
19#include <private/qtquickglobal_p.h>
20#include <QtGui/qcolorspace.h>
21
22QT_BEGIN_NAMESPACE
23
24class QQuickImageBasePrivate;
25class Q_QUICK_PRIVATE_EXPORT QQuickImageBase : public QQuickImplicitSizeItem
26{
27 Q_OBJECT
28
29 Q_PROPERTY(Status status READ status NOTIFY statusChanged FINAL)
30 Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged FINAL)
31 Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
32 Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged FINAL)
33 Q_PROPERTY(bool cache READ cache WRITE setCache NOTIFY cacheChanged FINAL)
34 Q_PROPERTY(QSize sourceSize READ sourceSize WRITE setSourceSize RESET resetSourceSize NOTIFY sourceSizeChanged FINAL)
35 Q_PROPERTY(bool mirror READ mirror WRITE setMirror NOTIFY mirrorChanged FINAL)
36 Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged REVISION(6, 2) FINAL)
37 Q_PROPERTY(int currentFrame READ currentFrame WRITE setCurrentFrame NOTIFY currentFrameChanged REVISION(2, 14))
38 Q_PROPERTY(int frameCount READ frameCount NOTIFY frameCountChanged REVISION(2, 14))
39 Q_PROPERTY(QColorSpace colorSpace READ colorSpace WRITE setColorSpace NOTIFY colorSpaceChanged REVISION(2, 15) FINAL)
40
41 QML_NAMED_ELEMENT(ImageBase);
42 QML_ADDED_IN_VERSION(2, 14)
43 QML_UNCREATABLE("ImageBase is an abstract base class.")
44
45public:
46 enum LoadPixmapOption {
47 NoOption = 0x0000,
48 HandleDPR = 0x0001,
49 UseProviderOptions = 0x0002
50 };
51
52 Q_DECLARE_FLAGS(LoadPixmapOptions, LoadPixmapOption)
53 Q_FLAG(LoadPixmapOptions)
54
55 QQuickImageBase(QQuickItem *parent=nullptr);
56 ~QQuickImageBase();
57 enum Status { Null, Ready, Loading, Error };
58 Q_ENUM(Status)
59 Status status() const;
60 qreal progress() const;
61
62 QUrl source() const;
63 virtual void setSource(const QUrl &url);
64
65 bool asynchronous() const;
66 void setAsynchronous(bool);
67
68 bool cache() const;
69 void setCache(bool);
70
71 QImage image() const;
72
73 virtual void setSourceSize(const QSize&);
74 QSize sourceSize() const;
75 void resetSourceSize();
76
77 QRectF sourceClipRect() const;
78 void setSourceClipRect(const QRectF &r);
79 void resetSourceClipRect();
80
81 virtual void setMirror(bool mirror);
82 bool mirror() const;
83
84 virtual void setMirrorVertically(bool mirror);
85 bool mirrorVertically() const;
86
87 virtual void setCurrentFrame(int frame);
88 virtual int currentFrame() const;
89
90 virtual int frameCount() const;
91
92 virtual void setAutoTransform(bool transform);
93 bool autoTransform() const;
94
95 QColorSpace colorSpace() const;
96 virtual void setColorSpace(const QColorSpace &colorSpace);
97
98 static void resolve2xLocalFile(const QUrl &url, qreal targetDevicePixelRatio, QUrl *sourceUrl, qreal *sourceDevicePixelRatio);
99
100 // Use a virtual rather than a signal->signal to avoid the huge
101 // connect/conneciton overhead for this rare case.
102 virtual void emitAutoTransformBaseChanged() { }
103
104Q_SIGNALS:
105 void sourceChanged(const QUrl &);
106 void sourceSizeChanged();
107 void statusChanged(QQuickImageBase::Status);
108 void progressChanged(qreal progress);
109 void asynchronousChanged();
110 void cacheChanged();
111 void mirrorChanged();
112 Q_REVISION(2, 14) void currentFrameChanged();
113 Q_REVISION(2, 14) void frameCountChanged();
114 Q_REVISION(2, 15) void sourceClipRectChanged();
115 Q_REVISION(2, 15) void colorSpaceChanged();
116 Q_REVISION(6, 2) void mirrorVerticallyChanged();
117
118protected:
119 void loadEmptyUrl();
120 void loadPixmap(const QUrl &url, LoadPixmapOptions loadOptions = NoOption);
121 virtual void load();
122 void componentComplete() override;
123 virtual void pixmapChange();
124 void itemChange(ItemChange change, const ItemChangeData &value) override;
125 QQuickImageBase(QQuickImageBasePrivate &dd, QQuickItem *parent);
126
127private Q_SLOTS:
128 virtual void requestFinished();
129 void requestProgress(qint64,qint64);
130
131private:
132 Q_DISABLE_COPY(QQuickImageBase)
133 Q_DECLARE_PRIVATE(QQuickImageBase)
134};
135
136QT_END_NAMESPACE
137
138#endif // QQUICKIMAGEBASE_P_H
QColorSpace
The QColorSpace class provides a color space abstraction.
Definition qcolorspace.h:21
QImage
\inmodule QtGui
Definition qimage.h:37
QQuickImageBase::sourceSizeChanged
void sourceSizeChanged()
QQuickImageBase::asynchronousChanged
void asynchronousChanged()
QQuickImageBase::statusChanged
void statusChanged(QQuickImageBase::Status)
QQuickImageBase::progressChanged
void progressChanged(qreal progress)
QQuickImageBase::Q_REVISION
Q_REVISION(2, 14) void currentFrameChanged()
QQuickImageBase::emitAutoTransformBaseChanged
virtual void emitAutoTransformBaseChanged()
Definition qquickimagebase_p.h:102
QQuickImageBase::sourceChanged
void sourceChanged(const QUrl &)
QQuickImageBase::mirrorChanged
void mirrorChanged()
QQuickItem
The QQuickItem class provides the most basic of all visual items in \l {Qt Quick}.
Definition qquickitem.h:64
QQuickItem::ItemChange
ItemChange
Used in conjunction with QQuickItem::itemChange() to notify the item about certain types of changes.
Definition qquickitem.h:143
QRectF
\inmodule QtCore\reentrant
Definition qrect.h:483
QSize
\inmodule QtCore
Definition qsize.h:25
QUrl
\inmodule QtCore
Definition qurl.h:94
statusChanged
void statusChanged(QDeclarativeComponent::Status status)
[1]
Definition qlogging.cpp:9
load
p1 load("image.bmp")
cache
QCache< int, Employee > cache
[0]
Definition doc_src_qcache.cpp:5
QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition qstandardpaths_haiku.cpp:21
QT_END_NAMESPACE
Definition qsharedpointer.cpp:1545
image
Definition image.cpp:4
void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:401
value
EGLOutputLayerEXT EGLint EGLAttrib value
[5]
Definition qeglstreamconvenience_p.h:46
Q_DECLARE_FLAGS
#define Q_DECLARE_FLAGS(Flags, Enum)
Definition qflags.h:174
r
GLboolean r
[2]
Definition qopengles2ext.h:337
source
GLsizei GLsizei GLchar * source
Definition qopengles2ext.h:952
transform
GLuint GLenum GLenum transform
Definition qopenglext.h:11564
QML_UNCREATABLE
#define QML_UNCREATABLE(REASON)
Definition qqmlintegration.h:55
QML_NAMED_ELEMENT
#define QML_NAMED_ELEMENT(NAME)
Definition qqmlintegration.h:52
QML_ADDED_IN_VERSION
#define QML_ADDED_IN_VERSION(MAJOR, MINOR)
Definition qqmlintegration.h:86
qquickimplicitsizeitem_p.h
Q_ENUM
#define Q_ENUM(x)
Definition qtmetamacros.h:68
Q_PROPERTY
#define Q_PROPERTY(...)
Definition qtmetamacros.h:56
Q_OBJECT
#define Q_OBJECT
Definition qtmetamacros.h:117
Q_REVISION
#define Q_REVISION(...)
Definition qtmetamacros.h:59
Q_FLAG
#define Q_FLAG(x)
Definition qtmetamacros.h:69
Q_SLOTS
#define Q_SLOTS
Definition qtmetamacros.h:44
Q_SIGNALS
#define Q_SIGNALS
Definition qtmetamacros.h:45
qint64
long long qint64
Definition qtypes.h:55
qreal
double qreal
Definition qtypes.h:92
base
QString base
Definition src_corelib_io_qfileinfo.cpp:49
url
QUrl url("example.com")
[constructor-url-reference]
Definition src_corelib_io_qurl.cpp:19
frame
QFrame frame
[0]
Definition src_gui_painting_qdrawutil.cpp:6
setCache
manager setCache(diskCache)
parent
IUIAutomationTreeWalker __RPC__deref_out_opt IUIAutomationElement ** parent
Definition uiaclientinterfaces_p.h:209
QQuickItem::ItemChangeData
\inmodule QtQuick
Definition qquickitem.h:158