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qquickpixmapcache_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
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31** included in the packaging of this file. Please review the following-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKPIXMAPCACHE_H-
41#define QQUICKPIXMAPCACHE_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include <QtCore/qcoreapplication.h>-
55#include <QtCore/qstring.h>-
56#include <QtGui/qpixmap.h>-
57#include <QtCore/qurl.h>-
58#include <private/qtquickglobal_p.h>-
59#include <QtQuick/qquickimageprovider.h>-
60-
61#include <private/qintrusivelist_p.h>-
62-
63QT_BEGIN_NAMESPACE-
64-
65class QQmlEngine;-
66class QQuickPixmapData;-
67class QQuickTextureFactory;-
68class QQuickImageProviderOptionsPrivate;-
69-
70class QQuickDefaultTextureFactory : public QQuickTextureFactory-
71{-
72 Q_OBJECT-
73public:-
74 QQuickDefaultTextureFactory(const QImage &i);-
75 QSGTexture *createTexture(QQuickWindow *window) const override;-
76 QSize textureSize() const override { return size; }
executed 59263 times by 12 tests: return size;
Executed by:
  • tst_examples
  • tst_qquickanimatedimage
  • tst_qquickborderimage
  • tst_qquickcustomparticle
  • tst_qquickimage
  • tst_qquickimageprovider
  • tst_qquickitemparticle
  • tst_qquickpixmapcache
  • tst_qquickshadereffect
  • tst_qquickstates
  • tst_scenegraph
  • tst_sharedimage
59263
77 int textureByteCount() const override { return size.width() * size.height() * 4; }
executed 26876 times by 36 tests: return size.width() * size.height() * 4;
Executed by:
  • tst_examples
  • tst_qquickage
  • tst_qquickangleddirection
  • tst_qquickanimatedimage
  • tst_qquickanimatedsprite
  • tst_qquickborderimage
  • tst_qquickcumulativedirection
  • tst_qquickcustomaffector
  • tst_qquickcustomparticle
  • tst_qquickellipseextruder
  • tst_qquickfriction
  • tst_qquickgravity
  • tst_qquickgroupgoal
  • tst_qquickimage
  • tst_qquickimageparticle
  • tst_qquickimageprovider
  • tst_qquickitem2
  • tst_qquicklineextruder
  • tst_qquickmaskextruder
  • tst_qquickparticlegroup
  • tst_qquickparticlesystem
  • tst_qquickpixmapcache
  • tst_qquickpointattractor
  • tst_qquickpointdirection
  • tst_qquickrectangleextruder
  • ...
26876
78 QImage image() const override { return im; }
executed 333 times by 27 tests: return im;
Executed by:
  • tst_examples
  • tst_qquickage
  • tst_qquickangleddirection
  • tst_qquickanimatedsprite
  • tst_qquickcumulativedirection
  • tst_qquickcustomaffector
  • tst_qquickellipseextruder
  • tst_qquickfriction
  • tst_qquickgravity
  • tst_qquickgroupgoal
  • tst_qquickimageparticle
  • tst_qquicklineextruder
  • tst_qquickmaskextruder
  • tst_qquickparticlegroup
  • tst_qquickparticlesystem
  • tst_qquickpixmapcache
  • tst_qquickpointattractor
  • tst_qquickpointdirection
  • tst_qquickrectangleextruder
  • tst_qquickspritegoal
  • tst_qquickspritesequence
  • tst_qquicktargetdirection
  • tst_qquicktextedit
  • tst_qquicktrailemitter
  • tst_qquickturbulence
  • ...
333
79-
80private:-
81 QImage im;-
82 QSize size;-
83};-
84-
85class QQuickImageProviderPrivate-
86{-
87public:-
88 QQuickImageProvider::ImageType type;-
89 QQuickImageProvider::Flags flags;-
90 bool isProviderWithOptions;-
91};-
92-
93// ### Qt 6: Make public moving to qquickimageprovider.h-
94class Q_QUICK_PRIVATE_EXPORT QQuickImageProviderOptions-
95{-
96public:-
97 enum AutoTransform {-
98 UsePluginDefaultTransform = -1,-
99 ApplyTransform = 0,-
100 DoNotApplyTransform = 1-
101 };-
102-
103 QQuickImageProviderOptions();-
104 ~QQuickImageProviderOptions();-
105-
106 QQuickImageProviderOptions(const QQuickImageProviderOptions&);-
107 QQuickImageProviderOptions& operator=(const QQuickImageProviderOptions&);-
108-
109 bool operator==(const QQuickImageProviderOptions&) const;-
110-
111 AutoTransform autoTransform() const;-
112 void setAutoTransform(AutoTransform autoTransform);-
113-
114 bool preserveAspectRatioCrop() const;-
115 void setPreserveAspectRatioCrop(bool preserveAspectRatioCrop);-
116-
117 bool preserveAspectRatioFit() const;-
118 void setPreserveAspectRatioFit(bool preserveAspectRatioFit);-
119-
120private:-
121 QSharedDataPointer<QQuickImageProviderOptionsPrivate> d;-
122};-
123-
124class Q_QUICK_PRIVATE_EXPORT QQuickPixmap-
125{-
126 Q_DECLARE_TR_FUNCTIONS(QQuickPixmap)-
127public:-
128 QQuickPixmap();-
129 QQuickPixmap(QQmlEngine *, const QUrl &);-
130 QQuickPixmap(QQmlEngine *, const QUrl &, const QSize &);-
131 QQuickPixmap(const QUrl &, const QImage &image);-
132 ~QQuickPixmap();-
133-
134 enum Status { Null, Ready, Error, Loading };-
135-
136 enum Option {-
137 Asynchronous = 0x00000001,-
138 Cache = 0x00000002-
139 };-
140 Q_DECLARE_FLAGS(Options, Option)-
141-
142 bool isNull() const;-
143 bool isReady() const;-
144 bool isError() const;-
145 bool isLoading() const;-
146-
147 Status status() const;-
148 QString error() const;-
149 const QUrl &url() const;-
150 const QSize &implicitSize() const;-
151 const QSize &requestSize() const;-
152 QQuickImageProviderOptions::AutoTransform autoTransform() const;-
153 QImage image() const;-
154 void setImage(const QImage &);-
155 void setPixmap(const QQuickPixmap &other);-
156-
157 QQuickTextureFactory *textureFactory() const;-
158-
159 QRect rect() const;-
160 int width() const;-
161 int height() const;-
162-
163 void load(QQmlEngine *, const QUrl &);-
164 void load(QQmlEngine *, const QUrl &, QQuickPixmap::Options options);-
165 void load(QQmlEngine *, const QUrl &, const QSize &);-
166 void load(QQmlEngine *, const QUrl &, const QSize &, QQuickPixmap::Options options);-
167 void load(QQmlEngine *, const QUrl &, const QSize &, QQuickPixmap::Options options, const QQuickImageProviderOptions &providerOptions);-
168-
169 void clear();-
170 void clear(QObject *);-
171-
172 bool connectFinished(QObject *, const char *);-
173 bool connectFinished(QObject *, int);-
174 bool connectDownloadProgress(QObject *, const char *);-
175 bool connectDownloadProgress(QObject *, int);-
176-
177 static void purgeCache();-
178 static bool isCached(const QUrl &url, const QSize &requestSize, const QQuickImageProviderOptions &options);-
179-
180 static const QLatin1String itemGrabberScheme;-
181-
182private:-
183 Q_DISABLE_COPY(QQuickPixmap)-
184 QQuickPixmapData *d;-
185 QIntrusiveListNode dataListNode;-
186 friend class QQuickPixmapData;-
187};-
188-
189Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickPixmap::Options)-
190-
191// This class will disappear with Qt6 and will just be the regular QQuickImageProvider-
192// ### Qt 6: Remove this class and fold it with QQuickImageProvider-
193class Q_QUICK_PRIVATE_EXPORT QQuickImageProviderWithOptions : public QQuickAsyncImageProvider-
194{-
195public:-
196 QQuickImageProviderWithOptions(ImageType type, Flags flags = Flags());-
197-
198 QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize) override;-
199 QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize) override;-
200 QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize) override;-
201 QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) override;-
202-
203 virtual QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options);-
204 virtual QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options);-
205 virtual QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options);-
206 virtual QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize, const QQuickImageProviderOptions &options);-
207-
208 static QSize loadSize(const QSize &originalSize, const QSize &requestedSize, const QByteArray &format, const QQuickImageProviderOptions &options);-
209 static QQuickImageProviderWithOptions *checkedCast(QQuickImageProvider *provider);-
210};-
211-
212QT_END_NAMESPACE-
213-
214#endif // QQUICKPIXMAPCACHE_H-
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