Rename Image class to Label

tests/label_test/label_test.cpp

@@ -17,12 +17,12 @@
 
  */
 
-#include "graphics/Image.hpp"
+#include "graphics/Label.hpp"
 
 #include <gtest/gtest.h>
 
 #include <optional>
 
-TEST(basic_test, Image_smokeTest_succeeds) {
-    auto im = ptprnt::graphics::Image();
+TEST(basic_test, Label_smokeTest_succeeds) {
+    auto im = ptprnt::graphics::Label();
 }

tests/meson.build

@@ -1,5 +1,5 @@
 tests = [['bitmap_test', 'bitmap_test_exe', ptprnt_srcs + ['bitmap_test/bitmap_test.cpp']],
-         ['image_test', 'image_test_exe', ptprnt_srcs +['image_test/image_test.cpp']],
+         ['label_test', 'label_test_exe', ptprnt_srcs +['label_test/label_test.cpp']],
          ['monochrome_test', 'monochrome_test_exe', ptprnt_srcs +['monochrome_test/monochrome_test.cpp']]
         ]