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Extract QImage::Format parsing into its own header

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Use the array-of-strings suggested by David Faure so that only one list
has to be maintained instead of three.

REVIEW: 116567
This commit is contained in:
Alex Merry
2014-03-03 12:40:51 +00:00
parent e29a897cb9
commit 895305050c
2 changed files with 80 additions and 110 deletions
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73
tests/format-enum.h Normal file
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/*
* Copyright 2014 Alex Merry <alex.merry@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <QImage>
// Generated from QImage::Format enum
static const char * qimage_format_enum_names[] = {
"Invalid",
"Mono",
"MonoLSB",
"Indexed8",
"RGB32",
"ARGB32",
"ARGB32_Premultiplied",
"RGB16",
"ARGB8565_Premultiplied",
"RGB666",
"ARGB6666_Premultiplied",
"RGB555",
"ARGB8555_Premultiplied",
"RGB888",
"RGB444",
"ARGB4444_Premultiplied",
"RGBX8888",
"RGBA8888",
"RGBA8888_Premultiplied"
};
// Never claim there are more than QImage::NImageFormats supported formats.
// This is future-proofing against the above list being extended.
static const int qimage_format_enum_names_count =
(sizeof(qimage_format_enum_names) / sizeof(*qimage_format_enum_names) > int(QImage::NImageFormats))
? int(QImage::NImageFormats)
: (sizeof(qimage_format_enum_names) / sizeof(*qimage_format_enum_names));
QImage::Format formatFromString(const QString &str)
{
for (int i = 0; i < qimage_format_enum_names_count; ++i) {
if (str.compare(QLatin1String(qimage_format_enum_names[i]), Qt::CaseInsensitive) == 0) {
return (QImage::Format)(i);
}
}
return QImage::Format_Invalid;
}
QString formatToString(QImage::Format format)
{
int index = int(format);
if (index > 0 && index < qimage_format_enum_names_count) {
return QLatin1String(qimage_format_enum_names[index]);
}
return QLatin1String("<unknown:") +
QString::number(index) +
QLatin1String(">");
}