Added qt_toRasterPixmap functions.

Similar to the existing qt_toX11Pixmap, this lets us explicitly create
pixmaps with the raster pixmap backend.

Reviewed-by: Gunnar Sletta

1 files changed, 23 insertions, 0 deletions

diff --git a/src/gui/image/qpixmap_raster.cpp b/src/gui/image/qpixmap_raster.cpp
index 3667e5b..fc76dc3 100644
--- a/src/gui/image/qpixmap_raster.cpp
+++ b/src/gui/image/qpixmap_raster.cpp
@@ -55,6 +55,29 @@ QT_BEGIN_NAMESPACE
 const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08,
                                      0x10, 0x20, 0x40, 0x80 };
 
+QPixmap qt_toRasterPixmap(const QImage &image)
+{
+    QPixmapData *data =
+        new QRasterPixmapData(image.depth() == 1
+                           ? QPixmapData::BitmapType
+                           : QPixmapData::PixmapType);
+
+    data->fromImage(image, Qt::AutoColor);
+
+    return QPixmap(data);
+}
+
+QPixmap qt_toRasterPixmap(const QPixmap &pixmap)
+{
+    if (pixmap.isNull())
+        return QPixmap();
+
+    if (QPixmap(pixmap).data_ptr()->classId() == QPixmapData::RasterClass)
+        return pixmap;
+
+    return qt_toRasterPixmap(pixmap.toImage());
+}
+
 QRasterPixmapData::QRasterPixmapData(PixelType type)
     : QPixmapData(type, RasterClass)
 {