Merge remote branch 'qt/master' into staging-master

Conflicts:
	src/gui/image/qpnghandler.cpp
	src/opengl/qwindowsurface_gl.cpp

3 files changed, 36 insertions, 23 deletions

diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 6e13324..34804e5 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -71,6 +71,10 @@
 # include "private/qpixmap_mac_p.h"
 #endif
 
+#ifdef Q_WS_QPA
+# include "qplatformintegration_qpa.h"
+#endif
+
 #if defined(Q_WS_X11)
 # include "qx11info_x11.h"
 # include <private/qt_x11_p.h>
@@ -98,12 +102,26 @@ static bool qt_pixmap_thread_test()
         qFatal("QPixmap: Must construct a QApplication before a QPaintDevice");
         return false;
     }
-#ifndef Q_WS_WIN
-    if (!QApplication::testAttribute(Qt::AA_X11InitThreads) && qApp->thread() != QThread::currentThread()) {
-        qWarning("QPixmap: It is not safe to use pixmaps outside the GUI thread");
-        return false;
-    }
+
+    if (qApp->thread() != QThread::currentThread()) {
+        bool fail = false;
+#if defined (Q_WS_X11)
+        if (!QApplication::testAttribute(Qt::AA_X11InitThreads))
+            fail = true;
+#elif defined (Q_WS_QPA)
+        if (!QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedPixmaps)) {
+            printf("Lighthouse plugin does not support threaded pixmaps!\n");
+            fail = true;
+        }
+#else
+        if (QApplicationPrivate::graphics_system_name != QLatin1String("raster"))
+            fail = true;
 #endif
+        if (fail) {
+            qWarning("QPixmap: It is not safe to use pixmaps outside the GUI thread");
+            return false;
+        }
+    }
     return true;
 }
 
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index fbdebf3..32d8dd7 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -601,6 +601,9 @@ bool QS60PixmapData::scroll(int dx, int dy, const QRect &rect)
     return res;
 }
 
+Q_GUI_EXPORT int qt_defaultDpiX();
+Q_GUI_EXPORT int qt_defaultDpiY();
+
 int QS60PixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
 {
     if (!cfbsBitmap)
@@ -611,28 +614,18 @@ int QS60PixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
         return cfbsBitmap->SizeInPixels().iWidth;
     case QPaintDevice::PdmHeight:
         return cfbsBitmap->SizeInPixels().iHeight;
-    case QPaintDevice::PdmWidthMM: {
-        TInt twips = cfbsBitmap->SizeInTwips().iWidth;
-        return (int)(twips * (25.4/KTwipsPerInch));
-    }
-    case QPaintDevice::PdmHeightMM: {
-        TInt twips = cfbsBitmap->SizeInTwips().iHeight;
-        return (int)(twips * (25.4/KTwipsPerInch));
-    }
+    case QPaintDevice::PdmWidthMM:
+        return qRound(cfbsBitmap->SizeInPixels().iWidth * 25.4 / qt_defaultDpiX());
+    case QPaintDevice::PdmHeightMM:
+        return qRound(cfbsBitmap->SizeInPixels().iHeight * 25.4 / qt_defaultDpiY());
     case QPaintDevice::PdmNumColors:
         return TDisplayModeUtils::NumDisplayModeColors(cfbsBitmap->DisplayMode());
     case QPaintDevice::PdmDpiX:
-    case QPaintDevice::PdmPhysicalDpiX: {
-        TReal inches = cfbsBitmap->SizeInTwips().iWidth / (TReal)KTwipsPerInch;
-        TInt pixels = cfbsBitmap->SizeInPixels().iWidth;
-        return pixels / inches;
-    }
+    case QPaintDevice::PdmPhysicalDpiX:
+        return qt_defaultDpiX();
     case QPaintDevice::PdmDpiY:
-    case QPaintDevice::PdmPhysicalDpiY: {
-        TReal inches = cfbsBitmap->SizeInTwips().iHeight / (TReal)KTwipsPerInch;
-        TInt pixels = cfbsBitmap->SizeInPixels().iHeight;
-        return pixels / inches;
-    }
+    case QPaintDevice::PdmPhysicalDpiY:
+        return qt_defaultDpiY();
     case QPaintDevice::PdmDepth:
         return TDisplayModeUtils::NumDisplayModeBitsPerPixel(cfbsBitmap->DisplayMode());
     default:
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index 450e8c6..4d5694f 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -507,8 +507,10 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage)
     png_read_end(png_ptr, end_info);
 
     readPngTexts(end_info);
+#ifndef QT_NO_IMAGE_TEXT
     for (int i = 0; i < readTexts.size()-1; i+=2)
         outImage->setText(readTexts.at(i), readTexts.at(i+1));
+#endif
 
     png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
     delete [] row_pointers;