diff --git a/src/basics/Color.cpp b/src/basics/Color.cpp
new file mode 100644
index 0000000..4b8b5aa
--- /dev/null
+++ b/src/basics/Color.cpp
@@ -0,0 +1,28 @@
+#include "Color.inline.cpp"
+
+#include <cmath>
+#include "PackStream.h"
+
+const Color paysages::basics::COLOR_TRANSPARENT = {0.0, 0.0, 0.0, 0.0};
+const Color paysages::basics::COLOR_BLACK = {0.0, 0.0, 0.0, 1.0};
+const Color paysages::basics::COLOR_RED = {1.0, 0.0, 0.0, 1.0};
+const Color paysages::basics::COLOR_GREEN = {0.0, 1.0, 0.0, 1.0};
+const Color paysages::basics::COLOR_BLUE = {0.0, 0.0, 1.0, 1.0};
+const Color paysages::basics::COLOR_WHITE = {1.0, 1.0, 1.0, 1.0};
+const Color paysages::basics::COLOR_GREY = {0.5, 0.5, 0.5, 1.0};
+
+void Color::save(PackStream* stream) const
+{
+    stream->write(&r);
+    stream->write(&g);
+    stream->write(&b);
+    stream->write(&a);
+}
+
+void Color::load(PackStream* stream)
+{
+    stream->read(&r);
+    stream->read(&g);
+    stream->read(&b);
+    stream->read(&a);
+}
diff --git a/src/basics/Color.h b/src/basics/Color.h
new file mode 100644
index 0000000..78ed134
--- /dev/null
+++ b/src/basics/Color.h
@@ -0,0 +1,126 @@
+#ifndef COLOR_H
+#define COLOR_H
+
+#include "basics_global.h"
+
+namespace paysages {
+namespace basics {
+
+class Color
+{
+public:
+    Color();
+    Color(double r, double g, double b, double a);
+
+    void save(PackStream* stream) const;
+    void load(PackStream* stream);
+
+    unsigned int to32BitRGBA() const;
+    unsigned int to32BitBGRA() const;
+    unsigned int to32BitARGB() const;
+    unsigned int to32BitABGR() const;
+
+    static Color from32BitRGBA(unsigned int col);
+    static Color from32BitBGRA(unsigned int col);
+    static Color from32BitARGB(unsigned int col);
+    static Color from32BitABGR(unsigned int col);
+
+    void mask(const Color& mask);
+    double normalize();
+    double getValue() const;
+    double getPower() const;
+    void limitPower(double max_power);
+
+public:
+    double r;
+    double g;
+    double b;
+    double a;
+};
+
+BASICSSHARED_EXPORT extern const Color COLOR_TRANSPARENT;
+BASICSSHARED_EXPORT extern const Color COLOR_BLACK;
+BASICSSHARED_EXPORT extern const Color COLOR_RED;
+BASICSSHARED_EXPORT extern const Color COLOR_GREEN;
+BASICSSHARED_EXPORT extern const Color COLOR_BLUE;
+BASICSSHARED_EXPORT extern const Color COLOR_WHITE;
+BASICSSHARED_EXPORT extern const Color COLOR_GREY;
+
+}
+}
+
+// Inlining
+#if PAYSAGES_USE_INLINING
+#ifndef COLOR_INLINE_CPP
+#include "Color.inline.cpp"
+#endif
+#endif
+
+// Compat API
+
+static inline void colorSave(PackStream* stream, Color* col)
+{
+    col->save(stream);
+}
+static inline void colorLoad(PackStream* stream, Color* col)
+{
+    col->load(stream);
+}
+static inline Color colorFromValues(double r, double g, double b, double a)
+{
+    return Color(r, g, b, a);
+}
+static inline unsigned int colorTo32BitRGBA(Color* col)
+{
+    return col->to32BitRGBA();
+}
+static inline unsigned int colorTo32BitBGRA(Color* col)
+{
+    return col->to32BitBGRA();
+}
+static inline unsigned int colorTo32BitARGB(Color* col)
+{
+    return col->to32BitARGB();
+}
+static inline unsigned int colorTo32BitABGR(Color* col)
+{
+    return col->to32BitABGR();
+}
+static inline Color colorFrom32BitRGBA(unsigned int col)
+{
+    return Color::from32BitRGBA(col);
+}
+static inline Color colorFrom32BitBGRA(unsigned int col)
+{
+    return Color::from32BitBGRA(col);
+}
+static inline Color colorFrom32BitARGB(unsigned int col)
+{
+    return Color::from32BitARGB(col);
+}
+static inline Color colorFrom32BitABGR(unsigned int col)
+{
+    return Color::from32BitABGR(col);
+}
+static inline void colorMask(Color* base, Color* mask)
+{
+    base->mask(*mask);
+}
+static inline double colorNormalize(Color* col)
+{
+    return col->normalize();
+}
+static inline double colorGetValue(Color* col)
+{
+    return col->getValue();
+}
+static inline double colorGetPower(Color* col)
+{
+    return col->getPower();
+}
+static inline void colorLimitPower(Color* col, double max_power)
+{
+    col->limitPower(max_power);
+}
+
+#endif // COLOR_H
diff --git a/src/basics/Color.inline.cpp b/src/basics/Color.inline.cpp
new file mode 100644
index 0000000..9019f73
--- /dev/null
+++ b/src/basics/Color.inline.cpp
@@ -0,0 +1,179 @@
+#define COLOR_INLINE_CPP
+
+#ifdef COLOR_H
+# define METHSPEC inline
+#else
+# include "Color.h"
+# define METHSPEC
+#endif
+
+METHSPEC Color::Color():
+    r(0.0), g(0.0), b(0.0), a(0.0)
+{
+}
+
+METHSPEC Color::Color(double r, double g, double b, double a):
+    r(r), g(g), b(b), a(a)
+{
+
+}
+
+METHSPEC unsigned int Color::to32BitRGBA() const
+{
+    return (((unsigned int) (a * 255.0)) << 24) | (((unsigned int) (b * 255.0)) << 16) | (((unsigned int) (g * 255.0)) << 8) | ((unsigned int) (r * 255.0));
+}
+
+METHSPEC unsigned int Color::to32BitBGRA() const
+{
+    return (((unsigned int) (a * 255.0)) << 24) | (((unsigned int) (r * 255.0)) << 16) | (((unsigned int) (g * 255.0)) << 8) | ((unsigned int) (b * 255.0));
+}
+
+METHSPEC unsigned int Color::to32BitARGB() const
+{
+    return (((unsigned int) (b * 255.0)) << 24) | (((unsigned int) (g * 255.0)) << 16) | (((unsigned int) (r * 255.0)) << 8) | ((unsigned int) (a * 255.0));
+}
+
+METHSPEC unsigned int Color::to32BitABGR() const
+{
+    return (((unsigned int) (r * 255.0)) << 24) | (((unsigned int) (g * 255.0)) << 16) | (((unsigned int) (b * 255.0)) << 8) | ((unsigned int) (a * 255.0));
+}
+
+METHSPEC Color Color::from32BitRGBA(unsigned int col)
+{
+    return Color(
+        ((double) (col & 0x000000FF)) / 255.0,
+        ((double) ((col & 0x0000FF00) >> 8)) / 255.0,
+        ((double) ((col & 0x00FF0000) >> 16)) / 255.0,
+        ((double) ((col & 0xFF000000) >> 24)) / 255.0
+    );
+}
+
+METHSPEC Color Color::from32BitBGRA(unsigned int col)
+{
+    return Color(
+        ((double) (col & 0x000000FF)) / 255.0,
+        ((double) ((col & 0x0000FF00) >> 8)) / 255.0,
+        ((double) ((col & 0x00FF0000) >> 16)) / 255.0,
+        ((double) ((col & 0xFF000000) >> 24)) / 255.0
+    );
+}
+
+METHSPEC Color Color::from32BitARGB(unsigned int col)
+{
+    return Color(
+        ((double) (col & 0x000000FF)) / 255.0,
+        ((double) ((col & 0x0000FF00) >> 8)) / 255.0,
+        ((double) ((col & 0x00FF0000) >> 16)) / 255.0,
+        ((double) ((col & 0xFF000000) >> 24)) / 255.0
+    );
+}
+
+METHSPEC Color Color::from32BitABGR(unsigned int col)
+{
+    return Color(
+        ((double) (col & 0x000000FF)) / 255.0,
+        ((double) ((col & 0x0000FF00) >> 8)) / 255.0,
+        ((double) ((col & 0x00FF0000) >> 16)) / 255.0,
+        ((double) ((col & 0xFF000000) >> 24)) / 255.0
+    );
+}
+
+METHSPEC void Color::mask(const Color& mask)
+{
+    double new_a;
+    new_a = a + mask.a - (a * mask.a);
+    r = (mask.r * mask.a + r * a - r * a * mask.a) / new_a;
+    g = (mask.g * mask.a + g * a - g * a * mask.a) / new_a;
+    b = (mask.b * mask.a + b * a - b * a * mask.a) / new_a;
+    a = new_a;
+
+    /*double mask_weight = mask->a;
+    double base_weight = 1.0 - mask_weight;
+
+    base->r = mask->r * mask_weight + base->r * base_weight;
+    base->g = mask->g * mask_weight + base->g * base_weight;
+    base->b = mask->b * mask_weight + base->b * base_weight;
+    base->a = base->a + mask_weight * (1.0 - base->a);*/
+}
+
+METHSPEC double Color::normalize()
+{
+#ifndef NDEBUG
+    assert(col->r >= 0.0);
+    assert(col->g >= 0.0);
+    assert(col->b >= 0.0);
+    assert(col->a >= 0.0);
+#ifdef isnan
+    assert(!isnan(col->r));
+    assert(!isnan(col->g));
+    assert(!isnan(col->b));
+    assert(!isnan(col->a));
+#endif
+#ifdef isfinite
+    assert(isfinite(col->r));
+    assert(isfinite(col->g));
+    assert(isfinite(col->b));
+    assert(isfinite(col->a));
+#endif
+#endif
+
+    if (r > 1.0)
+    {
+        r = 1.0;
+    }
+    if (g > 1.0)
+    {
+        g = 1.0;
+    }
+    if (b > 1.0)
+    {
+        b = 1.0;
+    }
+    return 1.0;
+    /*double max = colorGetValue(col);
+
+    assert(max >= 0.0);
+
+    if (max > 1.0)
+    {
+        col->r /= max;
+        col->g /= max;
+        col->b /= max;
+    }
+    return max;*/
+}
+
+METHSPEC double Color::getValue() const
+{
+    double max;
+
+    max = r;
+    if (g > max)
+    {
+        max = g;
+    }
+    if (b > max)
+    {
+        max = b;
+    }
+    return max;
+}
+
+METHSPEC double Color::getPower() const
+{
+    return r + g + b;
+}
+
+METHSPEC void Color::limitPower(double max_power)
+{
+    double power = r + g + b;
+
+    if (power > max_power)
+    {
+        double factor = max_power / power;
+
+        r *= factor;
+        g *= factor;
+        b *= factor;
+    }
+}
diff --git a/src/basics/ColorHSL.cpp b/src/basics/ColorHSL.cpp
new file mode 100644
index 0000000..056381c
--- /dev/null
+++ b/src/basics/ColorHSL.cpp
@@ -0,0 +1,88 @@
+#include "ColorHSL.h"
+
+#include "Color.h"
+
+static double _hue2rgb(double p, double q, double t)
+{
+    if (t < 0.0) t += 1;
+    if (t > 1.0) t -= 1;
+    if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
+    if (t < 1.0 / 2.0) return q;
+    if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
+    return p;
+}
+
+Color colorFromHSL(ColorHSL col)
+{
+    Color result;
+
+    if (col.s == 0)
+    {
+        result.r = result.g = result.b = col.l;
+    }
+    else
+    {
+        double q = col.l < 0.5 ? col.l * (1.0 + col.s) : col.l + col.s - col.l * col.s;
+        double p = 2 * col.l - q;
+        result.r = _hue2rgb(p, q, col.h + 1.0 / 3.0);
+        result.g = _hue2rgb(p, q, col.h);
+        result.b = _hue2rgb(p, q, col.h - 1.0 / 3.0);
+    }
+
+    result.a = col.a;
+
+    return result;
+}
+
+ColorHSL colorToHSL(Color col)
+{
+    ColorHSL result;
+    double min, max;
+
+    max = col.r > col.g ? col.r : col.g;
+    max = col.b > max ? col.b : max;
+
+    min = col.r < col.g ? col.r : col.g;
+    min = col.b < min ? col.b : min;
+
+    result.h = result.s = result.l = (max + min) / 2.0;
+
+    if (max == min)
+    {
+        result.h = result.s = 0.0;
+    }
+    else
+    {
+        double d = max - min;
+        result.s = result.l > 0.5 ? d / (2.0 - max - min) : d / (max + min);
+        if (max == col.r)
+        {
+            result.h = (col.g - col.b) / d + (col.g < col.b ? 6.0 : 0);
+        }
+        else if (max == col.g)
+        {
+            result.h = (col.b - col.r) / d + 2.0;
+        }
+        else
+        {
+            result.h = (col.r - col.g) / d + 4.0;
+        }
+        result.h /= 6.0;
+    }
+
+    result.a = col.a;
+
+    return result;
+}
+
+ColorHSL colorHSLFromValues(double h, double s, double l, double a)
+{
+    ColorHSL result;
+
+    result.h = h;
+    result.s = s;
+    result.l = l;
+    result.a = a;
+
+    return result;
+}
diff --git a/src/basics/ColorHSL.h b/src/basics/ColorHSL.h
new file mode 100644
index 0000000..ec185fe
--- /dev/null
+++ b/src/basics/ColorHSL.h
@@ -0,0 +1,19 @@
+#ifndef COLORHSL_H
+#define COLORHSL_H
+
+#include "basics_global.h"
+
+typedef struct
+{
+    double h;
+    double s;
+    double l;
+    double a;
+} ColorHSL;
+
+BASICSSHARED_EXPORT Color colorFromHSL(ColorHSL col);
+BASICSSHARED_EXPORT ColorHSL colorToHSL(Color col);
+
+BASICSSHARED_EXPORT ColorHSL colorHSLFromValues(double h, double s, double l, double a);
+
+#endif // COLORHSL_H
diff --git a/src/basics/basics.pro b/src/basics/basics.pro
index 8801948..aeb92c6 100644
--- a/src/basics/basics.pro
+++ b/src/basics/basics.pro
@@ -21,7 +21,10 @@ SOURCES += \
     Interpolation.cpp \
     Vector3.cpp \
     Vector3.inline.cpp \
-    SpaceSegment.cpp
+    SpaceSegment.cpp \
+    Color.cpp \
+    Color.inline.cpp \
+    ColorHSL.cpp
 
 HEADERS +=\
         basics_global.h \
@@ -31,7 +34,9 @@ HEADERS +=\
     NoiseFunctionSimplex.h \
     Interpolation.h \
     Vector3.h \
-    SpaceSegment.h
+    SpaceSegment.h \
+    Color.h \
+    ColorHSL.h
 
 unix:!symbian {
     maemo5 {
diff --git a/src/basics/basics_global.h b/src/basics/basics_global.h
index 0166285..2c6cfc3 100644
--- a/src/basics/basics_global.h
+++ b/src/basics/basics_global.h
@@ -14,6 +14,7 @@ namespace paysages {
 namespace basics {
     class Vector3;
     class SpaceSegment;
+    class Color;
     class NoiseGenerator;
 }
 }
diff --git a/src/definition/BaseDefinition.cpp b/src/definition/BaseDefinition.cpp
index 55176ad..74b7bac 100644
--- a/src/definition/BaseDefinition.cpp
+++ b/src/definition/BaseDefinition.cpp
@@ -29,7 +29,7 @@ void BaseDefinition::setName(QString name)
     this->name = name;
 }
 
-void BaseDefinition::save(PackStream* pack)
+void BaseDefinition::save(PackStream* pack) const
 {
     pack->write(name);
     QListIterator<BaseDefinition*> it(children);
@@ -49,7 +49,7 @@ void BaseDefinition::load(PackStream* pack)
     }
 }
 
-void BaseDefinition::copy(BaseDefinition* destination)
+void BaseDefinition::copy(BaseDefinition* destination) const
 {
     destination->setName(name);
     // can't copy children as we don't know their types...
diff --git a/src/definition/BaseDefinition.h b/src/definition/BaseDefinition.h
index 1eca523..5135bc2 100644
--- a/src/definition/BaseDefinition.h
+++ b/src/definition/BaseDefinition.h
@@ -19,17 +19,17 @@ public:
     BaseDefinition(BaseDefinition* parent);
     virtual ~BaseDefinition();
 
-    virtual void save(PackStream* pack);
+    virtual void save(PackStream* pack) const;
     virtual void load(PackStream* pack);
 
-    virtual void copy(BaseDefinition* destination);
+    virtual void copy(BaseDefinition* destination) const;
     virtual void validate();
 
-    inline const QString& getName() {return name;}
+    inline const QString& getName() const {return name;}
     virtual void setName(QString name);
 
-    inline const BaseDefinition* getParent() {return parent;}
-    inline const BaseDefinition* getRoot() {return root;}
+    inline const BaseDefinition* getParent() const {return parent;}
+    inline const BaseDefinition* getRoot() const {return root;}
 
 protected:
     void addChild(BaseDefinition* child);
diff --git a/src/definition/Layers.cpp b/src/definition/Layers.cpp
index 0fc8623..6255d37 100644
--- a/src/definition/Layers.cpp
+++ b/src/definition/Layers.cpp
@@ -17,7 +17,7 @@ Layers::~Layers()
     delete null_layer;
 }
 
-void Layers::copy(BaseDefinition* destination_)
+void Layers::copy(BaseDefinition* destination_) const
 {
     Layers* destination = (Layers*)destination_;
 
diff --git a/src/definition/Layers.h b/src/definition/Layers.h
index 85136b3..178e2d4 100644
--- a/src/definition/Layers.h
+++ b/src/definition/Layers.h
@@ -22,7 +22,7 @@ public:
     Layers(BaseDefinition* parent, LayerConstructor layer_constructor, LayerType* legacy_type=0);
     virtual ~Layers();
 
-    virtual void copy(BaseDefinition* destination);
+    virtual void copy(BaseDefinition* destination) const override;
 
     void setMaxLayerCount(int max_layer_count);
 
diff --git a/src/definition/LegacyLayer.cpp b/src/definition/LegacyLayer.cpp
index 10a992f..b5253c8 100644
--- a/src/definition/LegacyLayer.cpp
+++ b/src/definition/LegacyLayer.cpp
@@ -12,7 +12,7 @@ LegacyLayer::~LegacyLayer()
     type.callback_delete(legacy);
 }
 
-void LegacyLayer::save(PackStream* pack)
+void LegacyLayer::save(PackStream* pack) const
 {
     BaseDefinition::save(pack);
     type.callback_save(pack, legacy);
@@ -24,7 +24,7 @@ void LegacyLayer::load(PackStream* pack)
     type.callback_load(pack, legacy);
 }
 
-void LegacyLayer::copy(BaseDefinition* destination)
+void LegacyLayer::copy(BaseDefinition* destination) const
 {
     BaseDefinition::copy(destination);
     type.callback_copy(legacy, ((LegacyLayer*)destination)->legacy);
diff --git a/src/definition/LegacyLayer.h b/src/definition/LegacyLayer.h
index f3d38e0..2e8a7d7 100644
--- a/src/definition/LegacyLayer.h
+++ b/src/definition/LegacyLayer.h
@@ -32,10 +32,10 @@ public:
     LegacyLayer(BaseDefinition* parent, LayerType* type);
     virtual ~LegacyLayer();
 
-    virtual void save(PackStream* pack);
+    virtual void save(PackStream* pack) const;
     virtual void load(PackStream* pack);
 
-    virtual void copy(BaseDefinition* destination);
+    virtual void copy(BaseDefinition* destination) const;
     virtual void validate();
 
     virtual void setName(QString name);
diff --git a/src/definition/SurfaceMaterial.cpp b/src/definition/SurfaceMaterial.cpp
new file mode 100644
index 0000000..e980538
--- /dev/null
+++ b/src/definition/SurfaceMaterial.cpp
@@ -0,0 +1,36 @@
+#include "SurfaceMaterial.h"
+
+#include "PackStream.h"
+
+void materialSave(PackStream* stream, SurfaceMaterial* material)
+{
+    stream->write(&material->base.h);
+    stream->write(&material->base.l);
+    stream->write(&material->base.s);
+
+    stream->write(&material->hardness);
+    stream->write(&material->reflection);
+    stream->write(&material->shininess);
+
+    stream->write(&material->receive_shadows);
+}
+
+void materialLoad(PackStream* stream, SurfaceMaterial* material)
+{
+    stream->read(&material->base.h);
+    stream->read(&material->base.l);
+    stream->read(&material->base.s);
+
+    stream->read(&material->hardness);
+    stream->read(&material->reflection);
+    stream->read(&material->shininess);
+
+    stream->read(&material->receive_shadows);
+
+    materialValidate(material);
+}
+
+void materialValidate(SurfaceMaterial* material)
+{
+    material->_rgb = colorFromHSL(material->base);
+}
diff --git a/src/definition/SurfaceMaterial.h b/src/definition/SurfaceMaterial.h
new file mode 100644
index 0000000..71ea441
--- /dev/null
+++ b/src/definition/SurfaceMaterial.h
@@ -0,0 +1,34 @@
+#ifndef SURFACEMATERIAL_H
+#define SURFACEMATERIAL_H
+
+#include "definition_global.h"
+
+// TODO Change to pointers and forward declaration
+#include "ColorHSL.h"
+#include "Color.h"
+
+namespace paysages {
+namespace definition {
+
+class DEFINITIONSHARED_EXPORT SurfaceMaterial
+{
+public:
+    ColorHSL base;
+
+    double hardness;
+    double reflection;
+    double shininess;
+
+    double receive_shadows;
+
+    Color _rgb;
+};
+
+}
+}
+
+DEFINITIONSHARED_EXPORT void materialSave(PackStream* stream, SurfaceMaterial* material);
+DEFINITIONSHARED_EXPORT void materialLoad(PackStream* stream, SurfaceMaterial* material);
+DEFINITIONSHARED_EXPORT void materialValidate(SurfaceMaterial* material);
+
+#endif // SURFACEMATERIAL_H
diff --git a/src/definition/WaterDefinition.cpp b/src/definition/WaterDefinition.cpp
new file mode 100644
index 0000000..29dacdd
--- /dev/null
+++ b/src/definition/WaterDefinition.cpp
@@ -0,0 +1,113 @@
+#include "WaterDefinition.h"
+
+#include "PackStream.h"
+#include "NoiseGenerator.h"
+#include "Color.h"
+#include "SurfaceMaterial.h"
+
+WaterDefinition::WaterDefinition(BaseDefinition* parent):
+    BaseDefinition(parent)
+{
+    material = new SurfaceMaterial;
+    depth_color = new Color;
+    foam_material = new SurfaceMaterial;
+    _waves_noise = new NoiseGenerator;
+
+    //waterAutoPreset(this, WATER_PRESET_LAKE);
+}
+
+WaterDefinition::~WaterDefinition()
+{
+    delete material;
+    delete depth_color;
+    delete foam_material;
+    delete _waves_noise;
+}
+
+void WaterDefinition::save(PackStream* stream) const
+{
+    BaseDefinition::save(stream);
+
+    materialSave(stream, material);
+    colorSave(stream, depth_color);
+    stream->write(&transparency_depth);
+    stream->write(&transparency);
+    stream->write(&reflection);
+    stream->write(&lighting_depth);
+
+    stream->write(&scaling);
+    stream->write(&waves_height);
+    stream->write(&detail_height);
+    stream->write(&turbulence);
+
+    stream->write(&foam_coverage);
+    materialSave(stream, foam_material);
+
+    _waves_noise->save(stream);
+}
+
+void WaterDefinition::load(PackStream* stream)
+{
+    BaseDefinition::load(stream);
+
+    materialLoad(stream, material);
+    colorLoad(stream, depth_color);
+    stream->read(&transparency_depth);
+    stream->read(&transparency);
+    stream->read(&reflection);
+    stream->read(&lighting_depth);
+
+    stream->read(&scaling);
+    stream->read(&waves_height);
+    stream->read(&detail_height);
+    stream->read(&turbulence);
+
+    stream->read(&foam_coverage);
+    materialLoad(stream, foam_material);
+
+    _waves_noise->load(stream);
+
+    validate();
+}
+
+void WaterDefinition::copy(BaseDefinition* _destination) const
+{
+    BaseDefinition::copy(_destination);
+
+    WaterDefinition* destination = (WaterDefinition*)_destination;
+    *destination->material = *material;
+    *destination->depth_color = *depth_color;
+    destination->transparency_depth = transparency_depth;
+    destination->transparency = transparency;
+    destination->reflection = reflection;
+    destination->lighting_depth = lighting_depth;
+    destination->scaling = scaling;
+    destination->waves_height = waves_height;
+    destination->detail_height = detail_height;
+    destination->turbulence = turbulence;
+    destination->foam_coverage = foam_coverage;
+    *destination->foam_material = *foam_material;
+    _waves_noise->copy(destination->_waves_noise);
+}
+
+void WaterDefinition::validate()
+{
+    BaseDefinition::validate();
+
+    double scaling = this->scaling * 0.3;
+
+    _waves_noise->clearLevels();
+    if (waves_height > 0.0)
+    {
+        _waves_noise->addLevelsSimple(2, scaling, -waves_height * scaling * 0.015, waves_height * scaling * 0.015, 0.5);
+    }
+    if (detail_height > 0.0)
+    {
+        _waves_noise->addLevelsSimple(3, scaling * 0.1, -detail_height * scaling * 0.015, detail_height * scaling * 0.015, 0.5);
+    }
+    _waves_noise->setFunctionParams(NOISE_FUNCTION_SIMPLEX, -turbulence, 0.0);
+    _waves_noise->validate();
+
+    materialValidate(material);
+    materialValidate(foam_material);
+}
diff --git a/src/definition/WaterDefinition.h b/src/definition/WaterDefinition.h
new file mode 100644
index 0000000..18134b7
--- /dev/null
+++ b/src/definition/WaterDefinition.h
@@ -0,0 +1,45 @@
+#ifndef WATERDEFINITION_H
+#define WATERDEFINITION_H
+
+#include "definition_global.h"
+
+#include "BaseDefinition.h"
+
+namespace paysages {
+namespace definition {
+
+class WaterDefinition: public BaseDefinition
+{
+public:
+    WaterDefinition(BaseDefinition* parent);
+    virtual ~WaterDefinition();
+
+    virtual void save(PackStream* stream) const override;
+    virtual void load(PackStream* stream) override;
+
+    virtual void copy(BaseDefinition* destination) const override;
+    virtual void validate() override;
+
+public:
+    double transparency;
+    double reflection;
+    SurfaceMaterial* material;
+    Color* depth_color;
+    double transparency_depth;
+    double lighting_depth;
+
+    double scaling;
+    double turbulence;
+    double waves_height;
+    double detail_height;
+
+    double foam_coverage;
+    SurfaceMaterial* foam_material;
+
+    NoiseGenerator* _waves_noise;
+};
+
+}
+}
+
+#endif // WATERDEFINITION_H
diff --git a/src/definition/definition.pro b/src/definition/definition.pro
index dbf85a5..7a7cf2c 100644
--- a/src/definition/definition.pro
+++ b/src/definition/definition.pro
@@ -16,13 +16,17 @@ include(../common.pri)
 SOURCES += \
     BaseDefinition.cpp \
     Layers.cpp \
-    LegacyLayer.cpp
+    LegacyLayer.cpp \
+    WaterDefinition.cpp \
+    SurfaceMaterial.cpp
 
 HEADERS +=\
         definition_global.h \
     BaseDefinition.h \
     Layers.h \
-    LegacyLayer.h
+    LegacyLayer.h \
+    WaterDefinition.h \
+    SurfaceMaterial.h
 
 unix:!symbian {
     maemo5 {
diff --git a/src/definition/definition_global.h b/src/definition/definition_global.h
index e9b7bde..a9ec2a3 100644
--- a/src/definition/definition_global.h
+++ b/src/definition/definition_global.h
@@ -10,9 +10,12 @@
 
 #include "basics_global.h"
 
-namespace paysages
-{
-    namespace definition {}
+namespace paysages {
+namespace definition {
+    class BaseDefinition;
+    class SurfaceMaterial;
+    class WaterDefinition;
+}
 }
 using namespace paysages::definition;
 
diff --git a/src/editing/formwater.cpp b/src/editing/formwater.cpp
index 4701e4f..782296b 100644
--- a/src/editing/formwater.cpp
+++ b/src/editing/formwater.cpp
@@ -14,6 +14,7 @@
 #include "Scenery.h"
 #include "BasePreview.h"
 #include "camera.h"
+#include "WaterDefinition.h"
 
 static WaterDefinition* _definition;
 
@@ -236,7 +237,7 @@ BaseForm(parent)
     addAutoPreset(tr("Lake surface"));
     addAutoPreset(tr("Standard sea"));
 
-    _definition = (WaterDefinition*) WaterDefinitionClass.create();
+    _definition = new WaterDefinition(NULL);
 
     previewCoverage = new PreviewWaterCoverage(this);
     previewColor = new PreviewWaterColor(this);
@@ -244,8 +245,8 @@ BaseForm(parent)
     addPreview(previewColor, tr("Rendered preview"));
 
     //addInputDouble(tr("Height"), &_definition->height, -15.0, 15.0, 0.1, 1.0);
-    addInputMaterial(tr("Surface material"), &_definition->material);
-    addInputColor(tr("Depth color"), &_definition->depth_color);
+    addInputMaterial(tr("Surface material"), _definition->material);
+    addInputColor(tr("Depth color"), _definition->depth_color);
     addInputDouble(tr("Transparency"), &_definition->transparency, 0.0, 1.0, 0.001, 0.1);
     addInputDouble(tr("Reflection"), &_definition->reflection, 0.0, 1.0, 0.001, 0.1);
     addInputDouble(tr("Transparency distance"), &_definition->transparency_depth, 0.0, 20.0, 0.1, 1.0);
@@ -255,7 +256,7 @@ BaseForm(parent)
     addInputDouble(tr("Waves detail"), &_definition->detail_height, 0.0, 0.3, 0.003, 0.03);
     addInputDouble(tr("Waves turbulence"), &_definition->turbulence, 0.0, 0.5, 0.005, 0.05);
     addInputDouble(tr("Foam coverage"), &_definition->foam_coverage, 0.0, 1.0, 0.01, 0.1);
-    addInputMaterial(tr("Foam material"), &_definition->foam_material);
+    addInputMaterial(tr("Foam material"), _definition->foam_material);
 
     revertConfig();
 }
@@ -274,7 +275,7 @@ void FormWater::applyConfig()
 
 void FormWater::configChangeEvent()
 {
-    WaterDefinitionClass.validate(_definition);
+    _definition->validate();
     BaseForm::configChangeEvent();
 }
 
diff --git a/src/editing/lighting/DialogMaterialEditor.h b/src/editing/lighting/DialogMaterialEditor.h
index 92aab4c..0e23104 100644
--- a/src/editing/lighting/DialogMaterialEditor.h
+++ b/src/editing/lighting/DialogMaterialEditor.h
@@ -7,6 +7,7 @@
 
 #include "tools/lighting.h"
 #include "renderer.h"
+#include "SurfaceMaterial.h"
 
 namespace Ui {
 class DialogMaterialEditor;
diff --git a/src/editing/lighting/DialogMaterialEditor.ui b/src/editing/lighting/DialogMaterialEditor.ui
index dd0c870..3b0eea4 100644
--- a/src/editing/lighting/DialogMaterialEditor.ui
+++ b/src/editing/lighting/DialogMaterialEditor.ui
@@ -388,7 +388,7 @@
   <customwidget>
    <class>BasePreview</class>
    <extends>QWidget</extends>
-   <header>basepreview.h</header>
+   <header>BasePreview.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
diff --git a/src/editing/lighting/SmallPreviewHues.cpp b/src/editing/lighting/SmallPreviewHues.cpp
index 605d6bc..bd7a2d1 100644
--- a/src/editing/lighting/SmallPreviewHues.cpp
+++ b/src/editing/lighting/SmallPreviewHues.cpp
@@ -3,6 +3,7 @@
 #include <QPainter>
 
 #include "tools.h"
+#include "ColorHSL.h"
 
 SmallPreviewHues::SmallPreviewHues(QWidget* parent) : DrawingWidget(parent)
 {
diff --git a/src/editing/terrain/mainterrainform.ui b/src/editing/terrain/mainterrainform.ui
index 91b446a..b6b4958 100644
--- a/src/editing/terrain/mainterrainform.ui
+++ b/src/editing/terrain/mainterrainform.ui
@@ -516,7 +516,7 @@
   <customwidget>
    <class>BasePreview</class>
    <extends>QWidget</extends>
-   <header>basepreview.h</header>
+   <header>BasePreview.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
diff --git a/src/editing/terrain/widgetheightmap.cpp b/src/editing/terrain/widgetheightmap.cpp
index 3961f78..aeb20b7 100644
--- a/src/editing/terrain/widgetheightmap.cpp
+++ b/src/editing/terrain/widgetheightmap.cpp
@@ -7,7 +7,7 @@
 #include <GL/glu.h>
 #include "tools.h"
 #include "Scenery.h"
-#include "water/public.h"
+#include "WaterDefinition.h"
 
 #define HEIGHTMAP_RESOLUTION 256
 
@@ -29,10 +29,7 @@ QGLWidget(parent)
     _water = true;
     _wireframe = true;
     _painted_area = true;
-    WaterDefinition* water_definition = (WaterDefinition*)WaterDefinitionClass.create();
-    sceneryGetWater(water_definition);
     _water_height = 0.0;
-    WaterDefinitionClass.destroy(water_definition);
 
     _average_frame_time = 0.0;
 
diff --git a/src/editing/textures/DialogTexturesLayer.ui b/src/editing/textures/DialogTexturesLayer.ui
index c190240..599eb8d 100644
--- a/src/editing/textures/DialogTexturesLayer.ui
+++ b/src/editing/textures/DialogTexturesLayer.ui
@@ -283,7 +283,7 @@
   <customwidget>
    <class>BasePreview</class>
    <extends>QWidget</extends>
-   <header>basepreview.h</header>
+   <header>BasePreview.h</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/src/editing/textures/maintexturesform.ui b/src/editing/textures/maintexturesform.ui
index 8449c3b..e703b30 100644
--- a/src/editing/textures/maintexturesform.ui
+++ b/src/editing/textures/maintexturesform.ui
@@ -440,7 +440,7 @@
   <customwidget>
    <class>BasePreview</class>
    <extends>QWidget</extends>
-   <header>basepreview.h</header>
+   <header>BasePreview.h</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/src/render/opengl/WidgetExplorer.cpp b/src/render/opengl/WidgetExplorer.cpp
index e3bada2..a84c5fe 100644
--- a/src/render/opengl/WidgetExplorer.cpp
+++ b/src/render/opengl/WidgetExplorer.cpp
@@ -9,6 +9,8 @@
 #include "Scenery.h"
 #include "SoftwareRenderer.h"
 #include "OpenGLRenderer.h"
+#include "WaterDefinition.h"
+#include "SurfaceMaterial.h"
 #include "rendering/tools/euclid.h"
 #include "rendering/renderer.h"
 #include "rendering/camera.h"
@@ -422,7 +424,7 @@ void WidgetExplorer::paintGL()
     // Render water
     double water_height = _renderer->terrain->getWaterHeight(_renderer);
     glDisable(GL_TEXTURE_2D);
-    glColor3f(water->material._rgb.r, water->material._rgb.g, water->material._rgb.b);
+    glColor3f(water->material->_rgb.r, water->material->_rgb.g, water->material->_rgb.b);
     glBegin(GL_QUADS);
     glVertex3f(camera_location.x - 500.0, water_height, camera_location.z - 500.0);
     glVertex3f(camera_location.x - 500.0, water_height, camera_location.z + 500.0);
diff --git a/src/render/preview/AtmosphereColorPreviewRenderer.cpp b/src/render/preview/AtmosphereColorPreviewRenderer.cpp
index 3c5d361..a71ee75 100644
--- a/src/render/preview/AtmosphereColorPreviewRenderer.cpp
+++ b/src/render/preview/AtmosphereColorPreviewRenderer.cpp
@@ -4,6 +4,7 @@
 #include "AtmosphereRenderer.h"
 #include "camera.h"
 #include "tools/lighting.h"
+#include "SurfaceMaterial.h"
 
 /*
  * Atmosphere previews.
diff --git a/src/rendering/Scenery.cpp b/src/rendering/Scenery.cpp
index 2972046..b8d738e 100644
--- a/src/rendering/Scenery.cpp
+++ b/src/rendering/Scenery.cpp
@@ -12,6 +12,7 @@
 #include "water/public.h"
 #include "renderer.h"
 #include "terrain/ter_raster.h"
+#include "WaterDefinition.h"
 
 static Scenery* _main_scenery;
 static SceneryCustomDataCallback _custom_save = NULL;
@@ -26,17 +27,21 @@ Scenery::Scenery():
     clouds = (CloudsDefinition*)CloudsDefinitionClass.create();
     terrain = (TerrainDefinition*)TerrainDefinitionClass.create();
     textures = (TexturesDefinition*)TexturesDefinitionClass.create();
-    water = (WaterDefinition*)WaterDefinitionClass.create();
+    water = new WaterDefinition(this);
+
+    addChild(water);
 }
 
 Scenery::~Scenery()
 {
+    removeChild(water);
+
     AtmosphereDefinitionClass.destroy(atmosphere);
     cameraDeleteDefinition(camera);
     CloudsDefinitionClass.destroy(clouds);
     TerrainDefinitionClass.destroy(terrain);
     TexturesDefinitionClass.destroy(textures);
-    WaterDefinitionClass.destroy(water);
+    delete water;
 }
 
 Scenery* Scenery::getCurrent()
@@ -44,7 +49,7 @@ Scenery* Scenery::getCurrent()
     return _main_scenery;
 }
 
-void Scenery::save(PackStream* stream)
+void Scenery::save(PackStream* stream) const
 {
     BaseDefinition::save(stream);
 
@@ -53,7 +58,6 @@ void Scenery::save(PackStream* stream)
     CloudsDefinitionClass.save(stream, clouds);
     TerrainDefinitionClass.save(stream, terrain);
     TexturesDefinitionClass.save(stream, textures);
-    WaterDefinitionClass.save(stream, water);
 }
 
 void Scenery::load(PackStream* stream)
@@ -65,7 +69,6 @@ void Scenery::load(PackStream* stream)
     CloudsDefinitionClass.load(stream, clouds);
     TerrainDefinitionClass.load(stream, terrain);
     TexturesDefinitionClass.load(stream, textures);
-    WaterDefinitionClass.load(stream, water);
 }
 
 void Scenery::autoPreset(int seed)
@@ -139,12 +142,12 @@ void Scenery::getTextures(TexturesDefinition* textures)
 
 void Scenery::setWater(WaterDefinition* water)
 {
-    WaterDefinitionClass.copy(water, this->water);
+    water->copy(this->water);
 }
 
 void Scenery::getWater(WaterDefinition* water)
 {
-    WaterDefinitionClass.copy(this->water, water);
+    this->water->copy(water);
 }
 
 void Scenery::bindToRenderer(Renderer* renderer)
diff --git a/src/rendering/Scenery.h b/src/rendering/Scenery.h
index 5cdad94..f30d95c 100644
--- a/src/rendering/Scenery.h
+++ b/src/rendering/Scenery.h
@@ -10,7 +10,6 @@ class CameraDefinition;
 class CloudsDefinition;
 class TerrainDefinition;
 class TexturesDefinition;
-class WaterDefinition;
 class Renderer;
 
 namespace paysages {
@@ -32,33 +31,33 @@ public:
 
     static Scenery* getCurrent();
 
-    virtual void save(PackStream* stream);
-    virtual void load(PackStream* stream);
+    virtual void save(PackStream* stream) const override;
+    virtual void load(PackStream* stream) override;
 
     void autoPreset(int seed);
 
     void setAtmosphere(AtmosphereDefinition* atmosphere);
-    inline AtmosphereDefinition* getAtmosphere() {return atmosphere;}
+    inline AtmosphereDefinition* getAtmosphere() const {return atmosphere;}
     void getAtmosphere(AtmosphereDefinition* atmosphere);
 
     void setCamera(CameraDefinition* camera);
-    inline CameraDefinition* getCamera() {return camera;}
+    inline CameraDefinition* getCamera() const {return camera;}
     void getCamera(CameraDefinition* camera);
 
     void setClouds(CloudsDefinition* clouds);
-    inline CloudsDefinition* getClouds() {return clouds;}
+    inline CloudsDefinition* getClouds() const {return clouds;}
     void getClouds(CloudsDefinition* clouds);
 
     void setTerrain(TerrainDefinition* terrain);
-    inline TerrainDefinition* getTerrain() {return terrain;}
+    inline TerrainDefinition* getTerrain() const {return terrain;}
     void getTerrain(TerrainDefinition* terrain);
 
     void setTextures(TexturesDefinition* textures);
-    inline TexturesDefinition* getTextures() {return textures;}
+    inline TexturesDefinition* getTextures() const {return textures;}
     void getTextures(TexturesDefinition* textures);
 
     void setWater(WaterDefinition* water);
-    inline WaterDefinition* getWater() {return water;}
+    inline WaterDefinition* getWater() const {return water;}
     void getWater(WaterDefinition* water);
 
     void bindToRenderer(Renderer* renderer);
diff --git a/src/rendering/clouds/public.h b/src/rendering/clouds/public.h
index dc4b1eb..16b5bb7 100644
--- a/src/rendering/clouds/public.h
+++ b/src/rendering/clouds/public.h
@@ -7,6 +7,7 @@
 #include "../tools/curve.h"
 #include "../tools/euclid.h"
 #include "Layers.h"
+#include "SurfaceMaterial.h"
 
 namespace paysages {
 namespace basics {
diff --git a/src/rendering/render.cpp b/src/rendering/render.cpp
index 1ad7316..d0f5090 100644
--- a/src/rendering/render.cpp
+++ b/src/rendering/render.cpp
@@ -178,9 +178,9 @@ void renderSetToneMapping(RenderArea* area, ToneMappingOperator tonemapper, doub
     renderUpdate(area);
 }
 
-void renderSetBackgroundColor(RenderArea* area, Color* col)
+void renderSetBackgroundColor(RenderArea* area, const Color &col)
 {
-    area->background_color = *col;
+    area->background_color = col;
 }
 
 void renderClear(RenderArea* area)
diff --git a/src/rendering/render.h b/src/rendering/render.h
index fe6b85e..0961453 100644
--- a/src/rendering/render.h
+++ b/src/rendering/render.h
@@ -30,7 +30,7 @@ RENDERINGSHARED_EXPORT void renderDeleteArea(RenderArea* area);
 
 RENDERINGSHARED_EXPORT void renderSetParams(RenderArea* area, RenderParams params);
 RENDERINGSHARED_EXPORT void renderSetToneMapping(RenderArea* area, ToneMappingOperator tonemapper, double exposure);
-RENDERINGSHARED_EXPORT void renderSetBackgroundColor(RenderArea* area, Color* col);
+RENDERINGSHARED_EXPORT void renderSetBackgroundColor(RenderArea* area, const Color& col);
 RENDERINGSHARED_EXPORT void renderClear(RenderArea* area);
 RENDERINGSHARED_EXPORT void renderUpdate(RenderArea* area);
 
diff --git a/src/rendering/renderer.cpp b/src/rendering/renderer.cpp
index 28c0752..ae6d91f 100644
--- a/src/rendering/renderer.cpp
+++ b/src/rendering/renderer.cpp
@@ -225,7 +225,7 @@ void rendererStart(Renderer* renderer, RenderParams params)
 
     cameraSetRenderSize(renderer->render_camera, renderer->render_width, renderer->render_height);
 
-    renderSetBackgroundColor(renderer->render_area, &COLOR_BLACK);
+    renderSetBackgroundColor(renderer->render_area, COLOR_BLACK);
     renderSetParams(renderer->render_area, params);
     renderClear(renderer->render_area);
 
diff --git a/src/rendering/renderer.h b/src/rendering/renderer.h
index f9df721..48012c2 100644
--- a/src/rendering/renderer.h
+++ b/src/rendering/renderer.h
@@ -7,7 +7,6 @@
 
 class CameraDefinition;
 class LightingManager;
-class SurfaceMaterial;
 class AtmosphereRenderer;
 class TerrainRenderer;
 class TexturesRenderer;
diff --git a/src/rendering/rendering_global.h b/src/rendering/rendering_global.h
index d9bbe60..3225823 100644
--- a/src/rendering/rendering_global.h
+++ b/src/rendering/rendering_global.h
@@ -1,7 +1,6 @@
 #ifndef RENDERING_GLOBAL_H
 #define RENDERING_GLOBAL_H
 
-/* Shared object helpers */
 #include <QtCore/qglobal.h>
 #if defined(RENDERING_LIBRARY)
 #  define RENDERINGSHARED_EXPORT Q_DECL_EXPORT
@@ -9,15 +8,6 @@
 #  define RENDERINGSHARED_EXPORT Q_DECL_IMPORT
 #endif
 
-/* Namespace using */
-namespace paysages
-{
-    namespace system {}
-    namespace basics {}
-    namespace definition {}
-}
-using namespace paysages::system;
-using namespace paysages::basics;
-using namespace paysages::definition;
+#include "definition_global.h"
 
 #endif // RENDERING_GLOBAL_H
diff --git a/src/rendering/textures/public.h b/src/rendering/textures/public.h
index 8eb6094..d5dad59 100644
--- a/src/rendering/textures/public.h
+++ b/src/rendering/textures/public.h
@@ -6,6 +6,7 @@
 #include "tools/zone.h"
 #include "tools/lighting.h"
 #include "terrain/public.h"
+#include "SurfaceMaterial.h"
 
 #define TEXTURES_MAX_LAYERS 50
 
diff --git a/src/rendering/tools/color.cpp b/src/rendering/tools/color.cpp
index eaa2cca..3be661f 100644
--- a/src/rendering/tools/color.cpp
+++ b/src/rendering/tools/color.cpp
@@ -7,210 +7,6 @@
 #include "../tools.h"
 #include "PackStream.h"
 
-/******************************** Color ********************************/
-
-Color COLOR_TRANSPARENT = {0.0, 0.0, 0.0, 0.0};
-Color COLOR_BLACK = {0.0, 0.0, 0.0, 1.0};
-Color COLOR_RED = {1.0, 0.0, 0.0, 1.0};
-Color COLOR_GREEN = {0.0, 1.0, 0.0, 1.0};
-Color COLOR_BLUE = {0.0, 0.0, 1.0, 1.0};
-Color COLOR_WHITE = {1.0, 1.0, 1.0, 1.0};
-Color COLOR_GREY = {0.5, 0.5, 0.5, 1.0};
-
-void colorSave(PackStream* stream, Color* col)
-{
-    stream->write(&col->r);
-    stream->write(&col->g);
-    stream->write(&col->b);
-    stream->write(&col->a);
-}
-
-void colorLoad(PackStream* stream, Color* col)
-{
-    stream->read(&col->r);
-    stream->read(&col->g);
-    stream->read(&col->b);
-    stream->read(&col->a);
-}
-
-Color colorFromValues(double r, double g, double b, double a)
-{
-    Color result;
-
-    result.r = r;
-    result.g = g;
-    result.b = b;
-    result.a = a;
-
-    return result;
-}
-
-unsigned int colorTo32BitRGBA(Color* col)
-{
-    return (((unsigned int) (col->a * 255.0)) << 24) | (((unsigned int) (col->b * 255.0)) << 16) | (((unsigned int) (col->g * 255.0)) << 8) | ((unsigned int) (col->r * 255.0));
-}
-
-unsigned int colorTo32BitBGRA(Color* col)
-{
-    return (((unsigned int) (col->a * 255.0)) << 24) | (((unsigned int) (col->r * 255.0)) << 16) | (((unsigned int) (col->g * 255.0)) << 8) | ((unsigned int) (col->b * 255.0));
-}
-
-unsigned int colorTo32BitARGB(Color* col)
-{
-    return (((unsigned int) (col->b * 255.0)) << 24) | (((unsigned int) (col->g * 255.0)) << 16) | (((unsigned int) (col->r * 255.0)) << 8) | ((unsigned int) (col->a * 255.0));
-}
-
-unsigned int colorTo32BitABGR(Color* col)
-{
-    return (((unsigned int) (col->r * 255.0)) << 24) | (((unsigned int) (col->g * 255.0)) << 16) | (((unsigned int) (col->b * 255.0)) << 8) | ((unsigned int) (col->a * 255.0));
-}
-
-Color colorFrom32BitRGBA(unsigned int col)
-{
-    Color result;
-
-    result.r = ((double) (col & 0x000000FF)) / 255.0;
-    result.g = ((double) ((col & 0x0000FF00) >> 8)) / 255.0;
-    result.b = ((double) ((col & 0x00FF0000) >> 16)) / 255.0;
-    result.a = ((double) ((col & 0xFF000000) >> 24)) / 255.0;
-
-    return result;
-}
-
-Color colorFrom32BitBGRA(unsigned int col)
-{
-    Color result;
-
-    result.b = ((double) (col & 0x000000FF)) / 255.0;
-    result.g = ((double) ((col & 0x0000FF00) >> 8)) / 255.0;
-    result.r = ((double) ((col & 0x00FF0000) >> 16)) / 255.0;
-    result.a = ((double) ((col & 0xFF000000) >> 24)) / 255.0;
-
-    return result;
-}
-
-Color colorFrom32BitARGB(unsigned int col)
-{
-    Color result;
-
-    result.a = ((double) (col & 0x000000FF)) / 255.0;
-    result.r = ((double) ((col & 0x0000FF00) >> 8)) / 255.0;
-    result.g = ((double) ((col & 0x00FF0000) >> 16)) / 255.0;
-    result.b = ((double) ((col & 0xFF000000) >> 24)) / 255.0;
-
-    return result;
-}
-
-Color colorFrom32BitABGR(unsigned int col)
-{
-    Color result;
-
-    result.a = ((double) (col & 0x000000FF)) / 255.0;
-    result.b = ((double) ((col & 0x0000FF00) >> 8)) / 255.0;
-    result.g = ((double) ((col & 0x00FF0000) >> 16)) / 255.0;
-    result.r = ((double) ((col & 0xFF000000) >> 24)) / 255.0;
-
-    return result;
-}
-
-void colorMask(Color* base, Color* mask)
-{
-    double new_a;
-    new_a = base->a + mask->a - (base->a * mask->a);
-    base->r = (mask->r * mask->a + base->r * base->a - base->r * base->a * mask->a) / new_a;
-    base->g = (mask->g * mask->a + base->g * base->a - base->g * base->a * mask->a) / new_a;
-    base->b = (mask->b * mask->a + base->b * base->a - base->b * base->a * mask->a) / new_a;
-    base->a = new_a;
-
-    /*double mask_weight = mask->a;
-    double base_weight = 1.0 - mask_weight;
-
-    base->r = mask->r * mask_weight + base->r * base_weight;
-    base->g = mask->g * mask_weight + base->g * base_weight;
-    base->b = mask->b * mask_weight + base->b * base_weight;
-    base->a = base->a + mask_weight * (1.0 - base->a);*/
-}
-
-double colorNormalize(Color* col)
-{
-    assert(col->r >= 0.0);
-    assert(col->g >= 0.0);
-    assert(col->b >= 0.0);
-    assert(col->a >= 0.0);
-#ifdef isnan
-    assert(!isnan(col->r));
-    assert(!isnan(col->g));
-    assert(!isnan(col->b));
-    assert(!isnan(col->a));
-#endif
-#ifdef isfinite
-    assert(isfinite(col->r));
-    assert(isfinite(col->g));
-    assert(isfinite(col->b));
-    assert(isfinite(col->a));
-#endif
-
-    if (col->r > 1.0)
-    {
-        col->r = 1.0;
-    }
-    if (col->g > 1.0)
-    {
-        col->g = 1.0;
-    }
-    if (col->b > 1.0)
-    {
-        col->b = 1.0;
-    }
-    return 1.0;
-    /*double max = colorGetValue(col);
-
-    assert(max >= 0.0);
-
-    if (max > 1.0)
-    {
-        col->r /= max;
-        col->g /= max;
-        col->b /= max;
-    }
-    return max;*/
-}
-
-double colorGetValue(Color* col)
-{
-    double max;
-
-    max = col->r;
-    if (col->g > max)
-    {
-        max = col->g;
-    }
-    if (col->b > max)
-    {
-        max = col->b;
-    }
-    return max;
-}
-
-double colorGetPower(Color* col)
-{
-    return col->r + col->g + col->b;
-}
-
-void colorLimitPower(Color* col, double max_power)
-{
-    double power = colorGetPower(col);
-
-    if (power > max_power)
-    {
-        double factor = max_power / power;
-
-        col->r *= factor;
-        col->g *= factor;
-        col->b *= factor;
-    }
-}
-
 /******************************** ColorProfile ********************************/
 class ColorProfile
 {
@@ -454,89 +250,3 @@ Color colorGradationGet(ColorGradation* gradation, double value)
 
     return result;
 }
-
-/******************************** HSL Color Space ********************************/
-static double _hue2rgb(double p, double q, double t)
-{
-    if (t < 0.0) t += 1;
-    if (t > 1.0) t -= 1;
-    if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
-    if (t < 1.0 / 2.0) return q;
-    if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
-    return p;
-}
-
-Color colorFromHSL(ColorHSL col)
-{
-    Color result;
-
-    if (col.s == 0)
-    {
-        result.r = result.g = result.b = col.l;
-    }
-    else
-    {
-        double q = col.l < 0.5 ? col.l * (1.0 + col.s) : col.l + col.s - col.l * col.s;
-        double p = 2 * col.l - q;
-        result.r = _hue2rgb(p, q, col.h + 1.0 / 3.0);
-        result.g = _hue2rgb(p, q, col.h);
-        result.b = _hue2rgb(p, q, col.h - 1.0 / 3.0);
-    }
-
-    result.a = col.a;
-
-    return result;
-}
-
-ColorHSL colorToHSL(Color col)
-{
-    ColorHSL result;
-    double min, max;
-
-    max = col.r > col.g ? col.r : col.g;
-    max = col.b > max ? col.b : max;
-
-    min = col.r < col.g ? col.r : col.g;
-    min = col.b < min ? col.b : min;
-
-    result.h = result.s = result.l = (max + min) / 2.0;
-
-    if (max == min)
-    {
-        result.h = result.s = 0.0;
-    }
-    else
-    {
-        double d = max - min;
-        result.s = result.l > 0.5 ? d / (2.0 - max - min) : d / (max + min);
-        if (max == col.r)
-        {
-            result.h = (col.g - col.b) / d + (col.g < col.b ? 6.0 : 0);
-        }
-        else if (max == col.g)
-        {
-            result.h = (col.b - col.r) / d + 2.0;
-        }
-        else
-        {
-            result.h = (col.r - col.g) / d + 4.0;
-        }
-        result.h /= 6.0;
-    }
-
-    result.a = col.a;
-
-    return result;
-}
-
-ColorHSL colorHSLFromValues(double h, double s, double l, double a)
-{
-    ColorHSL result;
-
-    result.h = h;
-    result.s = s;
-    result.l = l;
-    result.a = a;
-
-    return result;
-}
diff --git a/src/rendering/tools/color.h b/src/rendering/tools/color.h
index ed4b15f..7819497 100644
--- a/src/rendering/tools/color.h
+++ b/src/rendering/tools/color.h
@@ -4,49 +4,6 @@
 #include "../rendering_global.h"
 #include "curve.h"
 
-namespace paysages {
-namespace system {class PackStream;}
-}
-
-#define TYPEDEF_COLOR
-typedef struct
-{
-    double r;
-    double g;
-    double b;
-    double a;
-} Color;
-
-RENDERINGSHARED_EXPORT extern Color COLOR_TRANSPARENT;
-RENDERINGSHARED_EXPORT extern Color COLOR_BLACK;
-RENDERINGSHARED_EXPORT extern Color COLOR_RED;
-RENDERINGSHARED_EXPORT extern Color COLOR_GREEN;
-RENDERINGSHARED_EXPORT extern Color COLOR_BLUE;
-RENDERINGSHARED_EXPORT extern Color COLOR_WHITE;
-RENDERINGSHARED_EXPORT extern Color COLOR_GREY;
-
-/* Color */
-RENDERINGSHARED_EXPORT void colorSave(PackStream* stream, Color* col);
-RENDERINGSHARED_EXPORT void colorLoad(PackStream* stream, Color* col);
-RENDERINGSHARED_EXPORT Color colorFromValues(double r, double g, double b, double a);
-
-RENDERINGSHARED_EXPORT unsigned int colorTo32BitRGBA(Color* col);
-RENDERINGSHARED_EXPORT unsigned int colorTo32BitBGRA(Color* col);
-RENDERINGSHARED_EXPORT unsigned int colorTo32BitARGB(Color* col);
-RENDERINGSHARED_EXPORT unsigned int colorTo32BitABGR(Color* col);
-
-RENDERINGSHARED_EXPORT Color colorFrom32BitRGBA(unsigned int col);
-RENDERINGSHARED_EXPORT Color colorFrom32BitBGRA(unsigned int col);
-RENDERINGSHARED_EXPORT Color colorFrom32BitARGB(unsigned int col);
-RENDERINGSHARED_EXPORT Color colorFrom32BitABGR(unsigned int col);
-
-RENDERINGSHARED_EXPORT void colorMask(Color* base, Color* mask);
-RENDERINGSHARED_EXPORT double colorNormalize(Color* col);
-RENDERINGSHARED_EXPORT double colorGetValue(Color* col);
-
-RENDERINGSHARED_EXPORT double colorGetPower(Color* col);
-RENDERINGSHARED_EXPORT void colorLimitPower(Color* col, double max_power);
-
 /* HDR profile for tone-mapping */
 class ColorProfile;
 typedef enum
@@ -92,18 +49,8 @@ RENDERINGSHARED_EXPORT void colorGradationQuickAddRgb(ColorGradation* gradation,
 
 RENDERINGSHARED_EXPORT Color colorGradationGet(ColorGradation* gradation, double value);
 
-/* HSL color space */
-typedef struct
-{
-    double h;
-    double s;
-    double l;
-    double a;
-} ColorHSL;
 
-RENDERINGSHARED_EXPORT Color colorFromHSL(ColorHSL col);
-RENDERINGSHARED_EXPORT ColorHSL colorToHSL(Color col);
-
-RENDERINGSHARED_EXPORT ColorHSL colorHSLFromValues(double h, double s, double l, double a);
+// TEMP
+#include "Color.h"
 
 #endif
diff --git a/src/rendering/tools/lighting.cpp b/src/rendering/tools/lighting.cpp
index 4ecc5dd..ca9db29 100644
--- a/src/rendering/tools/lighting.cpp
+++ b/src/rendering/tools/lighting.cpp
@@ -5,6 +5,7 @@
 #include <unistd.h>
 #include <string.h>
 #include "PackStream.h"
+#include "SurfaceMaterial.h"
 
 #define MAX_CALLBACK_COUNT 10
 #define MAX_LIGHT_COUNT 30
@@ -214,36 +215,3 @@ Vector3 lightingGetStatusLocation(LightStatus* status)
 {
     return status->location;
 }
-
-void materialSave(PackStream* stream, SurfaceMaterial* material)
-{
-    stream->write(&material->base.h);
-    stream->write(&material->base.l);
-    stream->write(&material->base.s);
-
-    stream->write(&material->hardness);
-    stream->write(&material->reflection);
-    stream->write(&material->shininess);
-
-    stream->write(&material->receive_shadows);
-}
-
-void materialLoad(PackStream* stream, SurfaceMaterial* material)
-{
-    stream->read(&material->base.h);
-    stream->read(&material->base.l);
-    stream->read(&material->base.s);
-
-    stream->read(&material->hardness);
-    stream->read(&material->reflection);
-    stream->read(&material->shininess);
-
-    stream->read(&material->receive_shadows);
-
-    materialValidate(material);
-}
-
-void materialValidate(SurfaceMaterial* material)
-{
-    material->_rgb = colorFromHSL(material->base);
-}
diff --git a/src/rendering/tools/lighting.h b/src/rendering/tools/lighting.h
index 06a6657..f797147 100644
--- a/src/rendering/tools/lighting.h
+++ b/src/rendering/tools/lighting.h
@@ -9,20 +9,6 @@ namespace paysages {
 namespace system {class PackStream;}
 }
 
-class SurfaceMaterial
-{
-public:
-    ColorHSL base;
-
-    double hardness;
-    double reflection;
-    double shininess;
-
-    double receive_shadows;
-
-    Color _rgb;
-};
-
 typedef struct
 {
     Vector3 direction;  /* Global direction of the light */
@@ -49,8 +35,4 @@ RENDERINGSHARED_EXPORT Vector3 lightingGetStatusLocation(LightStatus* status);
 
 RENDERINGSHARED_EXPORT Color lightingApplyOneLight(LightDefinition* light, Vector3 eye, Vector3 location, Vector3 normal, SurfaceMaterial* material);
 
-RENDERINGSHARED_EXPORT void materialSave(PackStream* stream, SurfaceMaterial* material);
-RENDERINGSHARED_EXPORT void materialLoad(PackStream* stream, SurfaceMaterial* material);
-RENDERINGSHARED_EXPORT void materialValidate(SurfaceMaterial* material);
-
 #endif
diff --git a/src/rendering/water/public.h b/src/rendering/water/public.h
index 1921b0e..16ed74f 100644
--- a/src/rendering/water/public.h
+++ b/src/rendering/water/public.h
@@ -19,27 +19,6 @@ typedef enum
     WATER_PRESET_SEA
 } WaterPreset;
 
-class WaterDefinition
-{
-public:
-    double transparency;
-    double reflection;
-    SurfaceMaterial material;
-    Color depth_color;
-    double transparency_depth;
-    double lighting_depth;
-
-    double scaling;
-    double turbulence;
-    double waves_height;
-    double detail_height;
-
-    double foam_coverage;
-    SurfaceMaterial foam_material;
-
-    NoiseGenerator* _waves_noise;
-};
-
 typedef struct
 {
     Vector3 location;
@@ -65,7 +44,6 @@ public:
 };
 
 
-RENDERINGSHARED_EXPORT extern StandardDefinition WaterDefinitionClass;
 RENDERINGSHARED_EXPORT extern StandardRenderer WaterRendererClass;
 
 RENDERINGSHARED_EXPORT void waterRenderSurface(Renderer* renderer);
diff --git a/src/rendering/water/wat_definition.cpp b/src/rendering/water/wat_definition.cpp
index f055640..4036a20 100644
--- a/src/rendering/water/wat_definition.cpp
+++ b/src/rendering/water/wat_definition.cpp
@@ -1,101 +1 @@
 #include "private.h"
-
-#include "PackStream.h"
-#include "NoiseGenerator.h"
-
-static void _validateDefinition(WaterDefinition* definition)
-{
-    double scaling = definition->scaling * 0.3;
-    definition->_waves_noise->clearLevels();
-    if (definition->waves_height > 0.0)
-    {
-        definition->_waves_noise->addLevelsSimple(2, scaling, -definition->waves_height * scaling * 0.015, definition->waves_height * scaling * 0.015, 0.5);
-    }
-    if (definition->detail_height > 0.0)
-    {
-        definition->_waves_noise->addLevelsSimple(3, scaling * 0.1, -definition->detail_height * scaling * 0.015, definition->detail_height * scaling * 0.015, 0.5);
-    }
-    definition->_waves_noise->setFunctionParams(NOISE_FUNCTION_SIMPLEX, -definition->turbulence, 0.0);
-    definition->_waves_noise->validate();
-
-    materialValidate(&definition->material);
-    materialValidate(&definition->foam_material);
-}
-
-static WaterDefinition* _createDefinition()
-{
-    WaterDefinition* definition = new WaterDefinition;
-
-    definition->_waves_noise = new NoiseGenerator();
-
-    waterAutoPreset(definition, WATER_PRESET_LAKE);
-
-    return definition;
-}
-
-static void _deleteDefinition(WaterDefinition* definition)
-{
-    delete definition->_waves_noise;
-    delete definition;
-}
-
-static void _copyDefinition(WaterDefinition* source, WaterDefinition* destination)
-{
-    NoiseGenerator* noise;
-
-    noise = destination->_waves_noise;
-    *destination = *source;
-    destination->_waves_noise = noise;
-    source->_waves_noise->copy(destination->_waves_noise);
-}
-
-static void _saveDefinition(PackStream* stream, WaterDefinition* definition)
-{
-    materialSave(stream, &definition->material);
-    colorSave(stream, &definition->depth_color);
-    stream->write(&definition->transparency_depth);
-    stream->write(&definition->transparency);
-    stream->write(&definition->reflection);
-    stream->write(&definition->lighting_depth);
-
-    stream->write(&definition->scaling);
-    stream->write(&definition->waves_height);
-    stream->write(&definition->detail_height);
-    stream->write(&definition->turbulence);
-
-    stream->write(&definition->foam_coverage);
-    materialSave(stream, &definition->foam_material);
-
-    definition->_waves_noise->save(stream);
-}
-
-static void _loadDefinition(PackStream* stream, WaterDefinition* definition)
-{
-    materialLoad(stream, &definition->material);
-    colorLoad(stream, &definition->depth_color);
-    stream->read(&definition->transparency_depth);
-    stream->read(&definition->transparency);
-    stream->read(&definition->reflection);
-    stream->read(&definition->lighting_depth);
-
-    stream->read(&definition->scaling);
-    stream->read(&definition->waves_height);
-    stream->read(&definition->detail_height);
-    stream->read(&definition->turbulence);
-
-    stream->read(&definition->foam_coverage);
-    materialLoad(stream, &definition->foam_material);
-
-    definition->_waves_noise->load(stream);
-
-    _validateDefinition(definition);
-}
-
-StandardDefinition WaterDefinitionClass = {
-    (FuncObjectCreate)_createDefinition,
-    (FuncObjectDelete)_deleteDefinition,
-    (FuncObjectCopy)_copyDefinition,
-    (FuncObjectValidate)_validateDefinition,
-    (FuncObjectSave)_saveDefinition,
-    (FuncObjectLoad)_loadDefinition
-};
diff --git a/src/rendering/water/wat_presets.cpp b/src/rendering/water/wat_presets.cpp
index 4565dbb..96edf79 100644
--- a/src/rendering/water/wat_presets.cpp
+++ b/src/rendering/water/wat_presets.cpp
@@ -1,5 +1,7 @@
 #include "private.h"
 
+#include "WaterDefinition.h"
+#include "SurfaceMaterial.h"
 #include "NoiseGenerator.h"
 
 void waterAutoPreset(WaterDefinition* definition, WaterPreset preset)
@@ -11,10 +13,10 @@ void waterAutoPreset(WaterDefinition* definition, WaterPreset preset)
         definition->transparency = 0.5;
         definition->reflection = 0.4;
         definition->transparency_depth = 4.0;
-        definition->material.base = colorToHSL(colorFromValues(0.08, 0.15, 0.2, 1.0));
-        definition->depth_color.r = 0.0;
-        definition->depth_color.g = 0.1;
-        definition->depth_color.b = 0.1;
+        definition->material->base = colorToHSL(colorFromValues(0.08, 0.15, 0.2, 1.0));
+        definition->depth_color->r = 0.0;
+        definition->depth_color->g = 0.1;
+        definition->depth_color->b = 0.1;
         definition->lighting_depth = 6.0;
         definition->scaling = 1.0;
         definition->waves_height = 0.8;
@@ -27,10 +29,10 @@ void waterAutoPreset(WaterDefinition* definition, WaterPreset preset)
         definition->transparency = 0.4;
         definition->reflection = 0.35;
         definition->transparency_depth = 3.0;
-        definition->material.base = colorToHSL(colorFromValues(0.05, 0.18, 0.2, 1.0));
-        definition->depth_color.r = 0.0;
-        definition->depth_color.g = 0.18;
-        definition->depth_color.b = 0.15;
+        definition->material->base = colorToHSL(colorFromValues(0.05, 0.18, 0.2, 1.0));
+        definition->depth_color->r = 0.0;
+        definition->depth_color->g = 0.18;
+        definition->depth_color->b = 0.15;
         definition->lighting_depth = 4.0;
         definition->scaling = 1.5;
         definition->waves_height = 1.0;
@@ -39,13 +41,13 @@ void waterAutoPreset(WaterDefinition* definition, WaterPreset preset)
         definition->foam_coverage = 0.4;
     }
 
-    definition->depth_color.a = 1.0;
-    definition->material.base.a = 1.0;
-    definition->material.reflection = 1.0;
-    definition->material.shininess = 16.0;
-    definition->foam_material.base = colorToHSL(colorFromValues(0.8, 0.8, 0.8, 1.0));
-    definition->foam_material.reflection = 0.1;
-    definition->foam_material.shininess = 1.5;
+    definition->depth_color->a = 1.0;
+    definition->material->base.a = 1.0;
+    definition->material->reflection = 1.0;
+    definition->material->shininess = 16.0;
+    definition->foam_material->base = colorToHSL(colorFromValues(0.8, 0.8, 0.8, 1.0));
+    definition->foam_material->reflection = 0.1;
+    definition->foam_material->shininess = 1.5;
 
-    WaterDefinitionClass.validate(definition);
+    definition->validate();
 }
diff --git a/src/rendering/water/wat_render.cpp b/src/rendering/water/wat_render.cpp
index dce4c96..f86260a 100644
--- a/src/rendering/water/wat_render.cpp
+++ b/src/rendering/water/wat_render.cpp
@@ -3,6 +3,8 @@
 #include <cmath>
 #include "../tools.h"
 #include "../renderer.h"
+#include "WaterDefinition.h"
+#include "SurfaceMaterial.h"
 #include "NoiseGenerator.h"
 #include "terrain/public.h"
 
@@ -143,7 +145,7 @@ static inline Color _getFoamMask(Renderer* renderer, WaterDefinition* definition
     foam_factor = (foam_factor - (1.0 - definition->foam_coverage)) * definition->foam_coverage;
 
     /* TODO Re-use base lighting status */
-    result = renderer->applyLightingToSurface(renderer, location, normal, &definition->foam_material);
+    result = renderer->applyLightingToSurface(renderer, location, normal, definition->foam_material);
     result.r *= 2.0;
     result.g *= 2.0;
     result.b *= 2.0;
@@ -260,7 +262,7 @@ static WaterResult _realGetResult(Renderer* renderer, double x, double z)
     }
     else
     {
-        Color depth_color = definition->depth_color;
+        Color depth_color = *definition->depth_color;
         refracted = renderer->rayWalking(renderer, location, _refractRay(look_direction, normal), 1, 0, 1, 1);
         depth = v3Norm(v3Sub(location, refracted.hit_location));
         colorLimitPower(&depth_color, colorGetPower(&refracted.hit_color));
@@ -279,7 +281,7 @@ static WaterResult _realGetResult(Renderer* renderer, double x, double z)
     }
 
     /* Lighting from environment */
-    color = renderer->applyLightingToSurface(renderer, location, normal, &definition->material);
+    color = renderer->applyLightingToSurface(renderer, location, normal, definition->material);
 
     color.r += result.reflected.r * definition->reflection + result.refracted.r * definition->transparency;
     color.g += result.reflected.g * definition->reflection + result.refracted.g * definition->transparency;
@@ -292,7 +294,7 @@ static WaterResult _realGetResult(Renderer* renderer, double x, double z)
     /* Bring color to the camera */
     color = renderer->applyMediumTraversal(location, color);
 
-    result.base = definition->material._rgb;
+    result.base = definition->material->_rgb;
     result.final = color;
 
     return result;
@@ -304,7 +306,7 @@ static WaterRenderer* _createRenderer()
     WaterRenderer* result;
 
     result = new WaterRenderer;
-    result->definition = (WaterDefinition*)WaterDefinitionClass.create();
+    result->definition = new WaterDefinition(NULL);
 
     result->getHeightInfo = _fakeGetHeightInfo;
     result->getHeight = _fakeGetHeight;
@@ -315,13 +317,13 @@ static WaterRenderer* _createRenderer()
 
 static void _deleteRenderer(WaterRenderer* renderer)
 {
-    WaterDefinitionClass.destroy(renderer->definition);
+    delete renderer->definition;
     delete renderer;
 }
 
 static void _bindRenderer(Renderer* renderer, WaterDefinition* definition)
 {
-    WaterDefinitionClass.copy(definition, renderer->water->definition);
+    definition->copy(renderer->water->definition);
 
     renderer->water->getHeightInfo = _realGetHeightInfo;
     renderer->water->getHeight = _realGetHeight;
diff --git a/src/system/PictureFile.cpp b/src/system/PictureFile.cpp
index 4db268d..322b566 100644
--- a/src/system/PictureFile.cpp
+++ b/src/system/PictureFile.cpp
@@ -17,9 +17,7 @@ int systemSavePictureFile(const char* filepath, PictureCallbackSavePixel callbac
     {
         for (int x = 0; x < width; x++)
         {
-            Color pixel = callback_pixel(data, x, y);
-            QColor pixelconv = QColor::fromRgbF(pixel.r, pixel.g, pixel.b, pixel.a);
-            result.setPixel(x, height - 1 - y, pixelconv.rgba());
+            result.setPixel(x, height - 1 - y, callback_pixel(data, x, y));
         }
     }
 
diff --git a/src/system/PictureFile.h b/src/system/PictureFile.h
index 86dee6f..367d906 100644
--- a/src/system/PictureFile.h
+++ b/src/system/PictureFile.h
@@ -19,17 +19,8 @@ public:
 
 // Transitional C-API
 
-#ifndef TYPEDEF_COLOR
-typedef struct
-{
-    double r;
-    double g;
-    double b;
-    double a;
-} Color;
-#endif
-
-typedef Color (*PictureCallbackSavePixel)(void* data, int x, int y);
+// Les pixels doivent être fournis en RGBA
+typedef unsigned int (*PictureCallbackSavePixel)(void* data, int x, int y);
 SYSTEMSHARED_EXPORT int systemSavePictureFile(const char* filepath, PictureCallbackSavePixel callback_pixel, void* data, int width, int height);
 
 #endif // PICTUREFILE_H
diff --git a/src/tests/Bruneton_Test.cpp b/src/tests/Bruneton_Test.cpp
index afd4c81..4cd16e4 100644
--- a/src/tests/Bruneton_Test.cpp
+++ b/src/tests/Bruneton_Test.cpp
@@ -28,7 +28,7 @@ TEST(Bruneton, AerialPerspective1)
 
     RenderParams params = {renderer->render_width, renderer->render_height, 1, 1};
     renderSetParams(renderer->render_area, params);
-    renderSetBackgroundColor(renderer->render_area, &COLOR_BLACK);
+    renderSetBackgroundColor(renderer->render_area, COLOR_BLACK);
     renderClear(renderer->render_area);
 
     renderer->pushQuad(renderer, v3(50.0, -10.0, -50.0), v3(1.0, -10.0, -50.0), v3(1.0, -10.0, 50.0), v3(50.0, -10.0, 50.0), _postProcessFragment, NULL);
@@ -63,7 +63,7 @@ TEST(Bruneton, AerialPerspective2)
 
     RenderParams params = {renderer->render_width, renderer->render_height, 1, 1};
     renderSetParams(renderer->render_area, params);
-    renderSetBackgroundColor(renderer->render_area, &COLOR_BLACK);
+    renderSetBackgroundColor(renderer->render_area, COLOR_BLACK);
     renderClear(renderer->render_area);
 
     renderer->pushQuad(renderer, v3(50.0, -10.0, -50.0), v3(1.0, -10.0, -50.0), v3(1.0, -10.0, 50.0), v3(50.0, -10.0, 50.0), _postProcessFragment, NULL);
diff --git a/src/tests/Render_Test.cpp b/src/tests/Render_Test.cpp
index 17c005a..ac3e8ce 100644
--- a/src/tests/Render_Test.cpp
+++ b/src/tests/Render_Test.cpp
@@ -45,7 +45,7 @@ TEST(Render, quad)
     RenderParams params = {renderer->render_width, renderer->render_height, 1, 1};
     renderSetParams(renderer->render_area, params);
 
-    renderSetBackgroundColor(renderer->render_area, &COLOR_BLUE);
+    renderSetBackgroundColor(renderer->render_area, COLOR_BLUE);
     renderClear(renderer->render_area);
 
     renderer->pushQuad(renderer, v3(-1.0, 0.0, 1.0), v3(-1.0, 0.0, -1.0), v3(1.0, 0.0, -1.0), v3(1.0, 0.0, 1.0), _postProcessFragment, NULL);