From 4018cd3529ded32f3434095a2da2568d52dfe16a Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Wed, 8 Jul 2015 11:42:54 +0200 Subject: Add support for PNG to QWindowsMimeImage::convertFromMime(). GIMP asks for image data in PNG format when doing a "paste" which was previously handled only in convertToMime(). Add handling to convertFromMime() and register format. Task-number: QTBUG-46848 Change-Id: Ib11de27d301c8632869c7276e421e48e4f34e1d0 Reviewed-by: aavit --- src/plugins/platforms/windows/qwindowsmime.cpp | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/src/plugins/platforms/windows/qwindowsmime.cpp b/src/plugins/platforms/windows/qwindowsmime.cpp index d8ccccdf45..f86ab9fee3 100644 --- a/src/plugins/platforms/windows/qwindowsmime.cpp +++ b/src/plugins/platforms/windows/qwindowsmime.cpp @@ -995,6 +995,7 @@ QVector QWindowsMimeImage::formatsForMime(const QString &mimeType, co if (!image.isNull() && image.hasAlphaChannel()) formatetcs += setCf(CF_DIBV5); formatetcs += setCf(CF_DIB); + formatetcs += setCf(CF_PNG); // QTBUG-86848, Paste into GIMP queries for PNG. } return formatetcs; } @@ -1025,13 +1026,15 @@ bool QWindowsMimeImage::canConvertFromMime(const FORMATETC &formatetc, const QMi return false; // QTBUG-11463, deny CF_DIB support for images with alpha to prevent loss of // transparency in conversion. - return cf == CF_DIBV5 || (cf == CF_DIB && !image.hasAlphaChannel()); + return cf == CF_DIBV5 + || (cf == CF_DIB && !image.hasAlphaChannel()) + || cf == int(CF_PNG); } bool QWindowsMimeImage::convertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData, STGMEDIUM * pmedium) const { int cf = getCf(formatetc); - if ((cf == CF_DIB || cf == CF_DIBV5) && mimeData->hasImage()) { + if ((cf == CF_DIB || cf == CF_DIBV5 || cf == int(CF_PNG)) && mimeData->hasImage()) { QImage img = qvariant_cast(mimeData->imageData()); if (img.isNull()) return false; @@ -1042,6 +1045,12 @@ bool QWindowsMimeImage::convertFromMime(const FORMATETC &formatetc, const QMimeD const QByteArray ba = writeDib(img); if (!ba.isEmpty()) return setData(ba, pmedium); + } else if (cf == int(CF_PNG)) { + QBuffer buffer(&ba); + const bool written = buffer.open(QIODevice::WriteOnly) && img.save(&buffer, "PNG"); + buffer.close(); + if (written) + return setData(ba, pmedium); } else { QDataStream s(&ba, QIODevice::WriteOnly); s.setByteOrder(QDataStream::LittleEndian);// Intel byte order #### -- cgit v1.2.3