| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QIMAGEREADERWRITERHELPERS_P_H |
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| 5 | #define QIMAGEREADERWRITERHELPERS_P_H |
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| 6 | |
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| 7 | #include <QtGui/private/qtguiglobal_p.h> |
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| 8 | #include <qsharedpointer.h> |
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| 9 | #include "qimageiohandler.h" |
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| 10 | |
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| 11 | // |
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| 12 | // W A R N I N G |
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| 13 | // ------------- |
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| 14 | // |
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| 15 | // This file is not part of the Qt API. It exists purely as an |
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| 16 | // implementation detail. This header file may change from version to |
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| 17 | // version without notice, or even be removed. |
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| 18 | // |
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| 19 | // We mean it. |
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| 20 | // |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | class QFactoryLoader; |
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| 25 | |
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| 26 | namespace QImageReaderWriterHelpers { |
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| 27 | |
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| 28 | enum _qt_BuiltInFormatType { |
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| 29 | #ifndef QT_NO_IMAGEFORMAT_PNG |
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| 30 | _qt_PngFormat, |
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| 31 | #endif |
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| 32 | #ifndef QT_NO_IMAGEFORMAT_BMP |
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| 33 | _qt_BmpFormat, |
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| 34 | #endif |
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| 35 | #ifndef QT_NO_IMAGEFORMAT_PPM |
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| 36 | _qt_PpmFormat, |
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| 37 | _qt_PgmFormat, |
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| 38 | _qt_PbmFormat, |
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| 39 | #endif |
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| 40 | #ifndef QT_NO_IMAGEFORMAT_XBM |
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| 41 | _qt_XbmFormat, |
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| 42 | #endif |
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| 43 | #ifndef QT_NO_IMAGEFORMAT_XPM |
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| 44 | _qt_XpmFormat, |
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| 45 | #endif |
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| 46 | _qt_NumFormats, |
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| 47 | _qt_NoFormat = -1 |
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| 48 | }; |
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| 49 | |
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| 50 | #if !defined(QT_NO_IMAGEFORMAT_PPM) |
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| 51 | # define MAX_MT_SIZE 20 |
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| 52 | #elif !defined(QT_NO_IMAGEFORMAT_XBM) || !defined(QT_NO_IMAGEFORMAT_XPM) |
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| 53 | # define MAX_MT_SIZE 10 |
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| 54 | #else |
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| 55 | # define MAX_MT_SIZE 4 |
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| 56 | #endif |
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| 57 | |
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| 58 | struct _qt_BuiltInFormatStruct |
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| 59 | { |
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| 60 | char extension[4]; |
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| 61 | char mimeType[MAX_MT_SIZE]; |
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| 62 | }; |
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| 63 | |
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| 64 | #undef MAX_MT_SIZE |
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| 65 | |
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| 66 | static const _qt_BuiltInFormatStruct _qt_BuiltInFormats[] = { |
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| 67 | #ifndef QT_NO_IMAGEFORMAT_PNG |
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| 68 | {.extension: "png" , .mimeType: "png" }, |
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| 69 | #endif |
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| 70 | #ifndef QT_NO_IMAGEFORMAT_BMP |
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| 71 | {.extension: "bmp" , .mimeType: "bmp" }, |
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| 72 | #endif |
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| 73 | #ifndef QT_NO_IMAGEFORMAT_PPM |
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| 74 | {.extension: "ppm" , .mimeType: "x-portable-pixmap" }, |
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| 75 | {.extension: "pgm" , .mimeType: "x-portable-graymap" }, |
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| 76 | {.extension: "pbm" , .mimeType: "x-portable-bitmap" }, |
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| 77 | #endif |
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| 78 | #ifndef QT_NO_IMAGEFORMAT_XBM |
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| 79 | {.extension: "xbm" , .mimeType: "x-xbitmap" }, |
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| 80 | #endif |
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| 81 | #ifndef QT_NO_IMAGEFORMAT_XPM |
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| 82 | {.extension: "xpm" , .mimeType: "x-xpixmap" }, |
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| 83 | #endif |
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| 84 | }; |
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| 85 | static_assert(_qt_NumFormats == sizeof _qt_BuiltInFormats / sizeof *_qt_BuiltInFormats); |
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| 86 | |
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| 87 | #ifndef QT_NO_IMAGEFORMATPLUGIN |
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| 88 | QSharedPointer<QFactoryLoader> pluginLoader(); |
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| 89 | #endif |
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| 90 | |
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| 91 | enum Capability { |
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| 92 | CanRead, |
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| 93 | CanWrite |
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| 94 | }; |
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| 95 | QList<QByteArray> supportedImageFormats(Capability cap); |
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| 96 | QList<QByteArray> supportedMimeTypes(Capability cap); |
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| 97 | QList<QByteArray> imageFormatsForMimeType(QByteArrayView mimeType, Capability cap); |
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| 98 | |
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| 99 | } |
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| 100 | |
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| 101 | QT_END_NAMESPACE |
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| 102 | |
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| 103 | #endif // QIMAGEREADERWRITERHELPERS_P_H |
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| 104 | |
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