From 7d67cf42c44ee5c70a9f6d3436bf678089e23850 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Wed, 5 Jul 2006 12:56:04 +0000
Subject: [PATCH] Data like transf. matrix that the effects can affect.

svn path=/branches/work/kwin_composite/; revision=558454
---
 effects.cpp | 36 ++++++++++++++++++++++++++++++------
 effects.h   | 24 ++++++++++++++++++++----
 2 files changed, 50 insertions(+), 10 deletions(-)

diff --git a/effects.cpp b/effects.cpp
index 09cf356c77..c12b9ba93a 100644
--- a/effects.cpp
+++ b/effects.cpp
@@ -13,6 +13,30 @@ License. See the file "COPYING" for the exact licensing terms.
 namespace KWinInternal
 {
 
+//****************************************
+// Matrix
+//****************************************
+
+Matrix::Matrix()
+    {
+    m[ 0 ][ 0 ] = 1;
+    m[ 0 ][ 1 ] = 0;
+    m[ 0 ][ 2 ] = 0;
+    m[ 0 ][ 3 ] = 0;
+    m[ 1 ][ 0 ] = 0;
+    m[ 1 ][ 1 ] = 1;
+    m[ 1 ][ 2 ] = 0;
+    m[ 1 ][ 3 ] = 0;
+    m[ 2 ][ 0 ] = 0;
+    m[ 2 ][ 1 ] = 0;
+    m[ 2 ][ 2 ] = 1;
+    m[ 2 ][ 3 ] = 0;
+    m[ 3 ][ 0 ] = 0;
+    m[ 3 ][ 1 ] = 0;
+    m[ 3 ][ 2 ] = 0;
+    m[ 3 ][ 3 ] = 1;
+    }
+
 //****************************************
 // Effect
 //****************************************
@@ -29,11 +53,11 @@ void Effect::windowUserResized( Toplevel* )
     {
     }
 
-void Effect::paintWindow( Toplevel* )
+void Effect::paintWindow( Toplevel*, EffectData& )
     {
     }
 
-void Effect::paintWorkspace( Workspace* )
+void Effect::paintWorkspace( Workspace*, EffectData& )
     {
     }
 
@@ -41,19 +65,19 @@ void Effect::paintWorkspace( Workspace* )
 // EffectsHandler
 //****************************************
 
-void EffectsHandler::windowUserMoved( Toplevel* c )
+void EffectsHandler::windowUserMoved( Toplevel* )
     {
     }
 
-void EffectsHandler::windowUserResized( Toplevel* c )
+void EffectsHandler::windowUserResized( Toplevel* )
     {
     }
 
-void EffectsHandler::paintWindow( Toplevel* c )
+void EffectsHandler::paintWindow( Toplevel*, EffectData& )
     {
     }
 
-void EffectsHandler::paintWorkspace( Workspace* )
+void EffectsHandler::paintWorkspace( Workspace*, EffectData& )
     {
     }
 
diff --git a/effects.h b/effects.h
index 7a0118c1c1..7d3123ad34 100644
--- a/effects.h
+++ b/effects.h
@@ -8,6 +8,8 @@ You can Freely distribute this program under the GNU General Public
 License. See the file "COPYING" for the exact licensing terms.
 ******************************************************************/
 
+// TODO MIT or some other licence, perhaps move to some lib
+
 #ifndef KWIN_EFFECTS_H
 #define KWIN_EFFECTS_H
 
@@ -17,14 +19,28 @@ namespace KWinInternal
 class Toplevel;
 class Workspace;
 
+class Matrix
+    {
+    public:
+        Matrix();
+        float m[ 4 ][ 4 ];
+    };
+
+class EffectData
+    {
+    public:
+        Matrix matrix;
+        float opacity;
+    };
+
 class Effect
     {
     public:
         virtual ~Effect();
         virtual void windowUserMoved( Toplevel* c );
         virtual void windowUserResized( Toplevel* c );
-        virtual void paintWindow( Toplevel* c );
-        virtual void paintWorkspace( Workspace* );
+        virtual void paintWindow( Toplevel* c, EffectData& data );
+        virtual void paintWorkspace( Workspace*, EffectData& data );
     };
 
 class EffectsHandler
@@ -32,8 +48,8 @@ class EffectsHandler
     public:
         void windowUserMoved( Toplevel* c );
         void windowUserResized( Toplevel* c );
-        void paintWindow( Toplevel* c );
-        void paintWorkspace( Workspace* );
+        void paintWindow( Toplevel* c, EffectData& data );
+        void paintWorkspace( Workspace*, EffectData& data );
     };
 
 extern EffectsHandler* effects;