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-rw-r--r--src/plugins/imageformats/ico/qicohandler.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp
index b2351fa..4edb87a 100644
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@@ -53,6 +53,7 @@
#include <QtGui/QImage>
#include <QtCore/QFile>
#include <QtCore/QBuffer>
+#include <qvariant.h>
// These next two structs represent how the icon information is stored
// in an ICO file.
typedef struct
@@ -772,6 +773,29 @@ QtIcoHandler::~QtIcoHandler()
delete m_pICOReader;
}
+QVariant QtIcoHandler::option(ImageOption option) const
+{
+ if (option == Size) {
+ QIODevice *device = QImageIOHandler::device();
+ qint64 oldPos = device->pos();
+ ICONDIRENTRY iconEntry;
+ if (device->seek(oldPos + ICONDIR_SIZE + (m_currentIconIndex * ICONDIRENTRY_SIZE))) {
+ if (readIconDirEntry(device, &iconEntry)) {
+ device->seek(oldPos);
+ return QSize(iconEntry.bWidth, iconEntry.bHeight);
+ }
+ }
+ if (!device->isSequential())
+ device->seek(oldPos);
+ }
+ return QVariant();
+}
+
+bool QtIcoHandler::supportsOption(ImageOption option) const
+{
+ return option == Size;
+}
+
/*!
* Verifies if some values (magic bytes) are set as expected in the header of the file.
* If the magic bytes were found, it is assumed that the QtIcoHandler can read the file.