1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2018 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui 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 14 ** and conditions see https://www.qt.io/terms-conditions. For further 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 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QIMAGEREADERWRITERHELPERS_P_H 41 #define QIMAGEREADERWRITERHELPERS_P_H 42 43 #include <QtGui/private/qtguiglobal_p.h> 44 #include <qsharedpointer.h> 45 #include "qimageiohandler.h" 46 47 // 48 // W A R N I N G 49 // ------------- 50 // 51 // This file is not part of the Qt API. It exists purely as an 52 // implementation detail. This header file may change from version to 53 // version without notice, or even be removed. 54 // 55 // We mean it. 56 // 57 58 QT_BEGIN_NAMESPACE 59 60 class QFactoryLoader; 61 62 namespace QImageReaderWriterHelpers { 63 64 enum _qt_BuiltInFormatType { 65 #ifndef QT_NO_IMAGEFORMAT_PNG 66 _qt_PngFormat, 67 #endif 68 #ifndef QT_NO_IMAGEFORMAT_BMP 69 _qt_BmpFormat, 70 #endif 71 #ifndef QT_NO_IMAGEFORMAT_PPM 72 _qt_PpmFormat, 73 _qt_PgmFormat, 74 _qt_PbmFormat, 75 #endif 76 #ifndef QT_NO_IMAGEFORMAT_XBM 77 _qt_XbmFormat, 78 #endif 79 #ifndef QT_NO_IMAGEFORMAT_XPM 80 _qt_XpmFormat, 81 #endif 82 _qt_NumFormats, 83 _qt_NoFormat = -1 84 }; 85 86 #if !defined(QT_NO_IMAGEFORMAT_PPM) 87 # define MAX_MT_SIZE 20 88 #elif !defined(QT_NO_IMAGEFORMAT_XBM) || !defined(QT_NO_IMAGEFORMAT_XPM) 89 # define MAX_MT_SIZE 10 90 #else 91 # define MAX_MT_SIZE 4 92 #endif 93 94 struct _qt_BuiltInFormatStruct 95 { 96 char extension[4]; 97 char mimeType[MAX_MT_SIZE]; 98 }; 99 100 #undef MAX_MT_SIZE 101 102 static const _qt_BuiltInFormatStruct _qt_BuiltInFormats[] = { 103 #ifndef QT_NO_IMAGEFORMAT_PNG 104 {"png", "png"}, 105 #endif 106 #ifndef QT_NO_IMAGEFORMAT_BMP 107 {"bmp", "bmp"}, 108 #endif 109 #ifndef QT_NO_IMAGEFORMAT_PPM 110 {"ppm", "x-portable-pixmap"}, 111 {"pgm", "x-portable-graymap"}, 112 {"pbm", "x-portable-bitmap"}, 113 #endif 114 #ifndef QT_NO_IMAGEFORMAT_XBM 115 {"xbm", "x-xbitmap"}, 116 #endif 117 #ifndef QT_NO_IMAGEFORMAT_XPM 118 {"xpm", "x-xpixmap"}, 119 #endif 120 }; 121 Q_STATIC_ASSERT(_qt_NumFormats == sizeof _qt_BuiltInFormats / sizeof *_qt_BuiltInFormats); 122 123 #ifndef QT_NO_IMAGEFORMATPLUGIN 124 QSharedPointer<QFactoryLoader> pluginLoader(); 125 #endif 126 127 enum Capability { 128 CanRead, 129 CanWrite 130 }; 131 QList<QByteArray> supportedImageFormats(Capability cap); 132 QList<QByteArray> supportedMimeTypes(Capability cap); 133 QList<QByteArray> imageFormatsForMimeType(const QByteArray &mimeType, Capability cap); 134 135 } 136 137 QT_END_NAMESPACE 138 139 #endif // QIMAGEREADERWRITERHELPERS_P_H 140