Platform: fix verbose log for app-specified DPI scaling.

It was printing 0 before, which isn't correct. Also why not print both
values? Printing just the first one would hide issues where the second
is accidentally 0 or some other wrong value.

doc/changelog.dox

@@ -261,6 +261,9 @@ See also:
     propagate errors when delegating to
     @ref Text::AbstractFontConverter::exportFontToSingleData() /
     @ref Text::AbstractFontConverter::exportGlyphCacheToSingleData()
+-   Fixed @ref Platform::GlfwApplication, @ref Platform::Sdl2Application and
+    @ref Platform::EmscriptenApplication to correctly print app-specified DPI
+    scaling in its verbose output
 
 @subsection changelog-latest-deprecated Deprecated APIs
 

src/Magnum/Platform/EmscriptenApplication.cpp

@@ -286,10 +286,10 @@ Vector2 EmscriptenApplication::dpiScaling(const Configuration& configuration) co
     /* Use values from the configuration only if not overriden on command line.
        In any case explicit scaling has a precedence before the policy. */
     if(!_commandLineDpiScaling.isZero()) {
-        Debug{verbose} << "Platform::EmscriptenApplication: user-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::EmscriptenApplication: user-defined DPI scaling" << _commandLineDpiScaling;
         return _commandLineDpiScaling;
     } else if(!configuration.dpiScaling().isZero()) {
-        Debug{verbose} << "Platform::EmscriptenApplication: app-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::EmscriptenApplication: app-defined DPI scaling" << configuration.dpiScaling();
         return configuration.dpiScaling();
     }
 

src/Magnum/Platform/GlfwApplication.cpp

@@ -151,12 +151,12 @@ Vector2 GlfwApplication::dpiScaling(const Configuration& configuration) {
        before the policy. */
     Implementation::GlfwDpiScalingPolicy dpiScalingPolicy{};
     if(!_commandLineDpiScaling.isZero()) {
-        Debug{verbose} << "Platform::GlfwApplication: user-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::GlfwApplication: user-defined DPI scaling" << _commandLineDpiScaling;
         return _commandLineDpiScaling;
     } else if(_commandLineDpiScalingPolicy != Implementation::GlfwDpiScalingPolicy::Default) {
         dpiScalingPolicy = _commandLineDpiScalingPolicy;
     } else if(!configuration.dpiScaling().isZero()) {
-        Debug{verbose} << "Platform::GlfwApplication: app-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::GlfwApplication: app-defined DPI scaling" << configuration.dpiScaling();
         return configuration.dpiScaling();
     } else {
         dpiScalingPolicy = configuration.dpiScalingPolicy();

src/Magnum/Platform/Sdl2Application.cpp

@@ -211,12 +211,12 @@ Vector2 Sdl2Application::dpiScaling(const Configuration& configuration) {
        before the policy. */
     Implementation::Sdl2DpiScalingPolicy dpiScalingPolicy{};
     if(!_commandLineDpiScaling.isZero()) {
-        Debug{verbose} << "Platform::Sdl2Application: user-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::Sdl2Application: user-defined DPI scaling" << _commandLineDpiScaling;
         return _commandLineDpiScaling;
     } else if(_commandLineDpiScalingPolicy != Implementation::Sdl2DpiScalingPolicy::Default) {
         dpiScalingPolicy = _commandLineDpiScalingPolicy;
     } else if(!configuration.dpiScaling().isZero()) {
-        Debug{verbose} << "Platform::Sdl2Application: app-defined DPI scaling" << _commandLineDpiScaling.x();
+        Debug{verbose} << "Platform::Sdl2Application: app-defined DPI scaling" << configuration.dpiScaling();
         return configuration.dpiScaling();
     } else {
         dpiScalingPolicy = configuration.dpiScalingPolicy();