display() function of pixel class added

scifir · Aug 12, 2024 · 5fda0e3 · 5fda0e3
1 parent 9c8622a
commit 5fda0e3
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Showing 3 changed files with 16 additions and 3 deletions.
diff --git a/special_units/pixel.cpp b/special_units/pixel.cpp
@@ -170,6 +170,13 @@ namespace scifir
 		return scalar_unit(value, { dimension(dimension::PIXEL, prefix::NONE, dimension::NUMERATOR) });
 	}
 
+	string pixel::display(int number_of_decimals) const
+	{
+		ostringstream output;
+		output << display_float(value,number_of_decimals) << " px";
+		return output.str();
+	}
+
 	void pixel::initialize_from_string(const string& init_pixel)
 	{
 		if (init_pixel.substr(init_pixel.length() - 3,3) == " px")
@@ -188,9 +195,7 @@ namespace scifir
 
 	string to_string(const pixel& x)
 	{
-		ostringstream output;
-		output << display_float(x.get_value()) << " px";
-		return output.str();
+		return x.display();
 	}
 
 	bool is_pixel(const string& init_pixel)

diff --git a/special_units/pixel.hpp b/special_units/pixel.hpp
@@ -127,6 +127,8 @@ namespace scifir
 
 			scalar_unit to_scalar_unit() const;
 
+			string display(int number_of_decimals = 2) const;
+
 		private:
 			float value;
 

diff --git a/tests/special_units/test_pixel.cpp b/tests/special_units/test_pixel.cpp
@@ -172,6 +172,12 @@ TEST_CASE("pixel class") {
         CHECK(bool(a.to_scalar_unit() == scalar_unit("40 px")));
     }
 
+    SECTION("display() function of pixel class")
+    {
+        pixel a(5.0f);
+        CHECK(a.display() == "5 px");
+    }
+
     SECTION("to_string() function of pixel class")
     {
         pixel a(3.0f);