From f8fc22fbf73d4c769e98b7a0c62b8d6c69df78a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Lemaire?= <michael@thunderk.net>
Date: Sat, 2 Jun 2012 21:01:35 +0000
Subject: [PATCH] paysages : Added quick antialiasing to material small
 previews.

git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@334 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
---
 gui_qt/previewmaterial.cpp | 11 ++++++++---
 lib_paysages/clouds.c      |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/gui_qt/previewmaterial.cpp b/gui_qt/previewmaterial.cpp
index 1ebaeac..863a642 100644
--- a/gui_qt/previewmaterial.cpp
+++ b/gui_qt/previewmaterial.cpp
@@ -43,8 +43,9 @@ QColor SmallMaterialPreview::getColor(double x, double y)
 {
     double dist = sqrt(x * x + y * y);
     Vector3 point;
+    Color color;
 
-    if (dist > 1.0)
+    if (dist >= 1.0)
     {
         return colorToQColor(COLOR_TRANSPARENT);
     }
@@ -62,8 +63,12 @@ QColor SmallMaterialPreview::getColor(double x, double y)
         }
 
         point = v3Normalize(point);
-
-        return colorToQColor(lightingApplyToSurface(&_lighting, &_renderer, point, point, *_material));
+        color = lightingApplyToSurface(&_lighting, &_renderer, point, point, *_material);
+        if (dist > 0.95)
+        {
+            color.a = (1.0 - dist) / 0.05;
+        }
+        return colorToQColor(color);
     }
 }
 
diff --git a/lib_paysages/clouds.c b/lib_paysages/clouds.c
index c425928..d7547cc 100644
--- a/lib_paysages/clouds.c
+++ b/lib_paysages/clouds.c
@@ -150,6 +150,7 @@ CloudsLayerDefinition cloudsLayerCreateDefinition()
     result.material.base.r = 0.7;
     result.material.base.g = 0.7;
     result.material.base.b = 0.7;
+    result.material.base.a = 1.0;
     result.material.reflection = 0.3;
     result.material.shininess = 0.8;
     result.hardness = 0.15;