ImFont: simpler constructor.

imgui_draw.cpp

@@ -3685,21 +3685,8 @@ void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
 
 ImFont::ImFont()
 {
-    FontSize = 0.0f;
-    FallbackAdvanceX = 0.0f;
-    FallbackChar = 0;
-    EllipsisChar = 0;
-    EllipsisWidth = EllipsisCharStep = 0.0f;
-    EllipsisCharCount = 0;
-    FallbackGlyph = NULL;
-    ContainerAtlas = NULL;
-    ConfigData = NULL;
-    ConfigDataCount = 0;
-    DirtyLookupTables = false;
+    memset(this, 0, sizeof(*this));
     Scale = 1.0f;
-    Ascent = Descent = 0.0f;
-    MetricsTotalSurface = 0;
-    memset(Used8kPagesMap, 0, sizeof(Used8kPagesMap));
 }
 
 ImFont::~ImFont()