diff --git a/ewol/resource/Colored3DObject.cpp b/ewol/resource/Colored3DObject.cpp
index c161e649..f317f167 100644
--- a/ewol/resource/Colored3DObject.cpp
+++ b/ewol/resource/Colored3DObject.cpp
@@ -165,23 +165,23 @@ void ewol::resource::Colored3DObject::drawSphere(float _radius,
 	int i, j;
 	std::vector<vec3> EwolVertices;
 	for(i = 0; i <= _lats; i++) {
-		btScalar lat0 = SIMD_PI * (-btScalar(0.5) + (btScalar) (i - 1) / _lats);
+		btScalar lat0 = M_PI * (-0.5f + float(i - 1) / _lats);
 		btScalar z0  = _radius*sin(lat0);
 		btScalar zr0 = _radius*cos(lat0);
 		
-		btScalar lat1 = SIMD_PI * (-btScalar(0.5) + (btScalar) i / _lats);
+		btScalar lat1 = M_PI * (-0.5f + float(i) / _lats);
 		btScalar z1 = _radius*sin(lat1);
 		btScalar zr1 = _radius*cos(lat1);
 		
 		//glBegin(GL_QUAD_STRIP);
 		for(j = 0; j < _longs; j++) {
-			btScalar lng = 2 * SIMD_PI * (btScalar) (j - 1) / _longs;
+			btScalar lng = 2.0f * M_PI * float(j - 1) / _longs;
 			btScalar x = cos(lng);
 			btScalar y = sin(lng);
 			vec3 v1 = vec3(x * zr1, y * zr1, z1);
 			vec3 v4 = vec3(x * zr0, y * zr0, z0);
 			
-			lng = 2 * SIMD_PI * (btScalar) (j) / _longs;
+			lng = 2 * M_PI * float(j) / _longs;
 			x = cos(lng);
 			y = sin(lng);
 			vec3 v2 = vec3(x * zr1, y * zr1, z1);
diff --git a/ewol/resource/FontFreeType.cpp b/ewol/resource/FontFreeType.cpp
index 6f8f4d97..b1e14ed5 100644
--- a/ewol/resource/FontFreeType.cpp
+++ b/ewol/resource/FontFreeType.cpp
@@ -202,8 +202,8 @@ bool ewol::resource::FontFreeType::drawGlyph(egami::Image& _imageOut,
 	}
 	// draw it on the output Image :
 	etk::Color<> tlpppp(0xFF, 0xFF, 0xFF, 0x00);
-	for(int32_t jjj=0; jjj < slot->bitmap.rows;jjj++) {
-		for(int32_t iii=0; iii < slot->bitmap.width; iii++){
+	for(size_t jjj=0; jjj < slot->bitmap.rows;jjj++) {
+		for(size_t iii=0; iii < slot->bitmap.width; iii++){
 			tlpppp = _imageOut.get(ivec2(_glyphPosition.x()+iii, _glyphPosition.y()+jjj));
 			uint8_t valueColor = slot->bitmap.buffer[iii + slot->bitmap.width*jjj];
 			// set only alpha :
@@ -265,8 +265,8 @@ bool ewol::resource::FontFreeType::drawGlyph(egami::ImageMono& _imageOut,
 	// resize output image :
 	_imageOut.resize(ivec2(slot->bitmap.width+2*_borderSize, slot->bitmap.rows+2*_borderSize), 0);
 	
-	for(int32_t jjj=0; jjj < slot->bitmap.rows;jjj++) {
-		for(int32_t iii=0; iii < slot->bitmap.width; iii++){
+	for(size_t jjj=0; jjj < slot->bitmap.rows;jjj++) {
+		for(size_t iii=0; iii < slot->bitmap.width; iii++){
 			uint8_t valueColor = slot->bitmap.buffer[iii + slot->bitmap.width*jjj];
 			// real set of color
 			_imageOut.set(ivec2(_borderSize+iii, _borderSize+jjj), valueColor );