Support alpha channel initial work

In this initial work, all (almost) color properties are converted into a new type (float4) to
support an alpha channel. Alpha channel option is shown in the color dialog for Layer and Scene
background properties only. The following is remaining:
- Scene background alpha doesn't work in the editor (works in the viewer RT1)

Task-number: QT3DS-3128
Change-Id: Ib5540ebc8e2ff68709473451e4a92bf66ddb8ad2
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Authoring/QT3DSIMP/Qt3DSImportSGTranslation/Qt3DSImportSceneGraphTranslation.h b/src/Authoring/QT3DSIMP/Qt3DSImportSGTranslation/Qt3DSImportSceneGraphTranslation.h
index 4187f626..8935f28b 100644
--- a/src/Authoring/QT3DSIMP/Qt3DSImportSGTranslation/Qt3DSImportSceneGraphTranslation.h
+++ b/src/Authoring/QT3DSIMP/Qt3DSImportSGTranslation/Qt3DSImportSceneGraphTranslation.h
@@ -359,7 +359,7 @@ public:
                                   long inAuthoringToolVersion) = 0;
 
     virtual void PushLight(const char *inName) = 0;
-    virtual void SetLightProperties(int type, const SFloat3 &color, double intensity,
+    virtual void SetLightProperties(int type, const SFloat4 &color, double intensity,
                                     double linearfade, double quadfade, bool shadows) = 0;
     virtual void PopLight() = 0;
     virtual void PushCamera(const char *inName) = 0;