ImFont: remove SetGlyphVisible()

Which was never marked public. Added by d284a6cff. (#2149, #515)
Making room by removing stuff that are inconvenient to implement in our scaling system.
If you were using this function please post an issue to report it.

imgui.h

@@ -3498,7 +3498,6 @@ struct ImFont
     IMGUI_API void              GrowIndex(int new_size);
     IMGUI_API void              AddGlyph(const ImFontConfig* src_cfg, ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x);
     IMGUI_API void              AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true); // Makes 'dst' character/glyph points to 'src' character/glyph. Currently needs to be called AFTER fonts have been built.
-    IMGUI_API void              SetGlyphVisible(ImWchar c, bool visible);
     IMGUI_API bool              IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last);
 };
 

imgui_draw.cpp

@@ -3770,8 +3770,10 @@ void ImFont::BuildLookupTable()
     }
 
     // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons)
-    SetGlyphVisible((ImWchar)' ', false);
-    SetGlyphVisible((ImWchar)'\t', false);
+    if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)' '))
+        glyph->Visible = false;
+    if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)'\t'))
+        glyph->Visible = false;
 
     // Setup Fallback character
     const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' };
@@ -3827,12 +3829,6 @@ bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last)
     return true;
 }
 
-void ImFont::SetGlyphVisible(ImWchar c, bool visible)
-{
-    if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c))
-        glyph->Visible = visible ? 1 : 0;
-}
-
 void ImFont::GrowIndex(int new_size)
 {
     IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);