Get supported image extensions from QImageReader

This commit is contained in:
Ilya Fedin 2022-12-25 11:07:35 +04:00 committed by John Preston
parent 9fba9048af
commit 36de2e98d4

View file

@ -7,17 +7,22 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/ */
#include "ui/chat/attach/attach_extensions.h" #include "ui/chat/attach/attach_extensions.h"
#include <QtCore/QMimeDatabase>
#include <QtGui/QImageReader>
namespace Ui { namespace Ui {
const QStringList &ImageExtensions() { const QStringList &ImageExtensions() {
static const auto result = QStringList{ static const auto result = [] {
u".bmp"_q, const auto formats = QImageReader::supportedImageFormats();
u".jpg"_q, return formats | ranges::views::transform([](const auto &format) {
u".jpeg"_q, return '.' + format.toLower();
u".png"_q, }) | ranges::views::filter([](const auto &format) {
u".gif"_q, const auto mimes = QMimeDatabase().mimeTypesForFileName(format);
}; return mimes.isEmpty()
return result; || !mimes.front().name().startsWith(u"image/"_q);
}) | ranges::to<QStringList>;
}();
return result; return result;
} }