diff --git a/ewol/compositing/Shaper.cpp b/ewol/compositing/Shaper.cpp
index 7a9e5f5f..ca48de6c 100644
--- a/ewol/compositing/Shaper.cpp
+++ b/ewol/compositing/Shaper.cpp
@@ -622,11 +622,38 @@ bool ewol::compositing::Shaper::hasSources() {
 const etk::Color<float>& ewol::compositing::Shaper::getColor(int32_t _id) {
 	static const etk::Color<float> errorValue(0,0,0,0);
 	if (m_colorProperty == nullptr) {
+		EWOL_WARNING("nullptr of m_colorProperty ==> return #0000 for id " << _id);
 		return errorValue;
 	}
 	return m_colorProperty->get(_id);
 }
 
+int32_t ewol::compositing::Shaper::requestColor(const std::string& _name) {
+	if (m_colorProperty == nullptr) {
+		EWOL_WARNING("nullptr of m_colorProperty ==> return -1 for name " << _name);
+		return -1;
+	}
+	return m_colorProperty->request(_name);
+}
+
+int32_t ewol::compositing::Shaper::requestConfig(const std::string& _name) {
+	if (m_config == nullptr) {
+		EWOL_WARNING("nullptr of m_config ==> return -1 for name " << _name);
+		return -1;
+	}
+	return m_config->request(_name);
+}
+
+double ewol::compositing::Shaper::getConfigNumber(int32_t _id) {
+	if (    _id == -1
+	     || m_config == nullptr) {
+		EWOL_WARNING("nullptr of m_config ==> return 0.0 for id " << _id);
+		return 0.0;
+	}
+	return m_config->getNumber(_id);
+}
+
+
 namespace etk {
 	template<> std::string to_string<ewol::compositing::Shaper>(const ewol::compositing::Shaper& _obj) {
 		return _obj.getSource();
@@ -641,5 +668,4 @@ namespace etk {
 	template<> bool from_string<ewol::compositing::Shaper>(ewol::compositing::Shaper& _variableRet, const std::u32string& _value) {
 		return from_string(_variableRet,  etk::to_string(_value));
 	}
-};
-
+};
\ No newline at end of file
diff --git a/ewol/compositing/Shaper.h b/ewol/compositing/Shaper.h
index fd70d786..df479184 100644
--- a/ewol/compositing/Shaper.h
+++ b/ewol/compositing/Shaper.h
@@ -231,12 +231,7 @@ namespace ewol {
 				 * @param[in] _name Name of the element requested
 				 * @return The Id of the color
 				 */
-				int32_t requestColor(const std::string& _name) {
-					if (m_colorProperty == nullptr) {
-						return -1;
-					}
-					return m_colorProperty->request(_name);
-				}
+				int32_t requestColor(const std::string& _name);
 				/**
 				 * @brief Get The color associated at an ID.
 				 * @param[in] _id Id of the color
@@ -249,24 +244,13 @@ namespace ewol {
 				 * @param[in] _name Name of the element requested
 				 * @return The Id of the element
 				 */
-				int32_t requestConfig(const std::string& _name) {
-					if (m_config == nullptr) {
-						return -1;
-					}
-					return m_config->request(_name);
-				}
+				int32_t requestConfig(const std::string& _name);
 				/**
 				 * @brief Get The number associated at an ID.
 				 * @param[in] _id Id of the parameter
 				 * @return the requested number.
 				 */
-				double getConfigNumber(int32_t _id) {
-					if (    _id == -1
-					     || m_config == nullptr) {
-						return 0.0;
-					}
-					return m_config->getNumber(_id);
-				}
+				double getConfigNumber(int32_t _id);
 			public:
 				/**
 				 * @brief Set activate state of the element