Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Fixed performance regression in curve stroking.
  Don't disable texture_from_pixmap on GLX/X11 by default.
  Avoid creating copy of an image in memory when storing as png
  Doc update for the support of MSVC 2010 64-bit
  fix documentation of drawText(int, int, int, int, ...
  Optimization of pixel conversion when storing jpeg
  Don't pretend to support single buffered EGL surfaces.
  Named anonymous struct in the OpenGL paint engine.
  Fixes gray_raster incorrectly reporting out of memory error.

1 files changed, 43 insertions, 0 deletions

diff --git a/tests/auto/qimagereader/tst_qimagereader.cpp b/tests/auto/qimagereader/tst_qimagereader.cpp
index 3bee5d9..4b4bdd6 100644
--- a/tests/auto/qimagereader/tst_qimagereader.cpp
+++ b/tests/auto/qimagereader/tst_qimagereader.cpp
@@ -178,6 +178,8 @@ private slots:
     void testIgnoresFormatAndExtension_data();
     void testIgnoresFormatAndExtension();
 
+    void saveFormat_data();
+    void saveFormat();
 };
 
 static const QLatin1String prefix(SRCDIR "/images/");
@@ -1905,5 +1907,46 @@ void tst_QImageReader::testIgnoresFormatAndExtension()
     }
 }
 
+
+void tst_QImageReader::saveFormat_data()
+{
+    QTest::addColumn<QImage::Format>("format");
+
+    QTest::newRow("Format_Mono") << QImage::Format_Mono;
+    QTest::newRow("Format_MonoLSB") << QImage::Format_MonoLSB;
+    QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
+    QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
+    QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
+    QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
+    QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
+    QTest::newRow("Format_ARGB8565_Premultiplied") << QImage::Format_ARGB8565_Premultiplied;
+    QTest::newRow("Format_RGB666") << QImage::Format_RGB666;
+    QTest::newRow("Format_ARGB6666_Premultiplied") << QImage::Format_ARGB6666_Premultiplied;
+    QTest::newRow("Format_RGB555") << QImage::Format_RGB555;
+    QTest::newRow("Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8555_Premultiplied;
+    QTest::newRow("Format_RGB888") << QImage::Format_RGB888;
+    QTest::newRow("Format_RGB444") << QImage::Format_RGB444;
+    QTest::newRow("Format_ARGB4444_Premultiplied") << QImage::Format_ARGB4444_Premultiplied;
+}
+
+void tst_QImageReader::saveFormat()
+{
+    QFETCH(QImage::Format, format);
+
+    QImage orig(":/images/kollada.png");
+
+    QImage converted = orig.convertToFormat(format);
+    QBuffer buf;
+    buf.open(QIODevice::WriteOnly);
+    QVERIFY(converted.save(&buf, "png"));
+    buf.close();
+    QImage stored = QImage::fromData(buf.buffer(), "png");
+
+    stored = stored.convertToFormat(QImage::Format_ARGB32);
+    converted = converted.convertToFormat(QImage::Format_ARGB32);
+    QCOMPARE(stored, converted);
+}
+
+
 QTEST_MAIN(tst_QImageReader)
 #include "tst_qimagereader.moc"