LibGfx: Remove various unused Font APIs

Author: https://github.com/awesomekling
Commit: https://github.com/LadybirdBrowser/ladybird/commit/eccfdede10
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/42

Userland/Libraries/LibGfx/Font/Font.h

@@ -172,35 +172,21 @@ public:
     virtual float glyph_left_bearing(u32 code_point) const = 0;
     virtual float glyph_width(u32 code_point) const = 0;
     virtual float glyph_or_emoji_width(Utf8CodePointIterator&) const = 0;
-    virtual float glyph_or_emoji_width(Utf32CodePointIterator&) const = 0;
     virtual float glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_point) const = 0;
     virtual int x_height() const = 0;
     virtual float preferred_line_height() const = 0;
 
-    virtual u8 min_glyph_width() const = 0;
-    virtual u8 max_glyph_width() const = 0;
-    virtual u8 glyph_fixed_width() const = 0;
-
     virtual u8 baseline() const = 0;
-    virtual u8 mean_line() const = 0;
 
     virtual float width(StringView) const = 0;
     virtual float width(Utf8View const&) const = 0;
-    virtual float width(Utf32View const&) const = 0;
-
-    virtual int width_rounded_up(StringView) const = 0;
 
     virtual String name() const = 0;
 
-    virtual bool is_fixed_width() const = 0;
-
-    virtual size_t glyph_count() const = 0;
-
     virtual String family() const = 0;
     virtual String variant() const = 0;
 
     virtual String qualified_name() const = 0;
-    virtual String human_readable_name() const = 0;
 
     virtual NonnullRefPtr<Font> with_size(float point_size) const = 0;
 

Userland/Libraries/LibGfx/Font/ScaledFont.cpp

@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <AK/Utf32View.h>
 #include <AK/Utf8View.h>
 #include <LibGfx/Font/Emoji.h>
 #include <LibGfx/Font/ScaledFont.h>
@@ -35,14 +34,8 @@ ScaledFont::ScaledFont(NonnullRefPtr<VectorFont> font, float point_width, float
     };
 }
 
-int ScaledFont::width_rounded_up(StringView view) const
-{
-    return static_cast<int>(ceilf(width(view)));
-}
-
 float ScaledFont::width(StringView view) const { return unicode_view_width(Utf8View(view)); }
 float ScaledFont::width(Utf8View const& view) const { return unicode_view_width(view); }
-float ScaledFont::width(Utf32View const& view) const { return unicode_view_width(view); }
 
 template<typename T>
 ALWAYS_INLINE float ScaledFont::unicode_view_width(T const& view) const
@@ -128,11 +121,6 @@ float ScaledFont::glyph_or_emoji_width(Utf8CodePointIterator& it) const
     return glyph_or_emoji_width_impl(*this, it);
 }
 
-float ScaledFont::glyph_or_emoji_width(Utf32CodePointIterator& it) const
-{
-    return glyph_or_emoji_width_impl(*this, it);
-}
-
 float ScaledFont::glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_point) const
 {
     if (left_code_point == 0 || right_code_point == 0)
@@ -146,11 +134,6 @@ float ScaledFont::glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_
     return m_font->glyphs_horizontal_kerning(left_glyph_id, right_glyph_id, m_x_scale);
 }
 
-u8 ScaledFont::glyph_fixed_width() const
-{
-    return glyph_metrics(glyph_id_for_code_point(' ')).advance_width;
-}
-
 NonnullRefPtr<ScaledFont> ScaledFont::scaled_with_size(float point_size) const
 {
     if (point_size == m_point_height && point_size == m_point_width)

Userland/Libraries/LibGfx/Font/ScaledFont.h

@@ -47,26 +47,16 @@ public:
     virtual bool contains_glyph(u32 code_point) const override { return m_font->glyph_id_for_code_point(code_point) > 0; }
     virtual float glyph_width(u32 code_point) const override;
     virtual float glyph_or_emoji_width(Utf8CodePointIterator&) const override;
-    virtual float glyph_or_emoji_width(Utf32CodePointIterator&) const override;
     virtual float glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_point) const override;
     virtual float preferred_line_height() const override { return metrics().height() + metrics().line_gap; }
-    virtual int x_height() const override { return m_point_height; }      // FIXME: Read from font
+    virtual int x_height() const override { return m_point_height; } // FIXME: Read from font
-    virtual u8 min_glyph_width() const override { return 1; }             // FIXME: Read from font
-    virtual u8 max_glyph_width() const override { return m_point_width; } // FIXME: Read from font
-    virtual u8 glyph_fixed_width() const override;
     virtual u8 baseline() const override { return m_point_height; }  // FIXME: Read from font
-    virtual u8 mean_line() const override { return m_point_height; } // FIXME: Read from font
     virtual float width(StringView) const override;
     virtual float width(Utf8View const&) const override;
-    virtual float width(Utf32View const&) const override;
-    virtual int width_rounded_up(StringView) const override;
     virtual String name() const override { return MUST(String::formatted("{} {}", family(), variant())); }
-    virtual bool is_fixed_width() const override { return m_font->is_fixed_width(); }
-    virtual size_t glyph_count() const override { return m_font->glyph_count(); }
     virtual String family() const override { return m_font->family(); }
     virtual String variant() const override { return m_font->variant(); }
     virtual String qualified_name() const override { return MUST(String::formatted("{} {} {} {}", family(), presentation_size(), weight(), slope())); }
-    virtual String human_readable_name() const override { return MUST(String::formatted("{} {} {}", family(), variant(), presentation_size())); }
 
     virtual NonnullRefPtr<ScaledFont> scaled_with_size(float point_size) const;
     virtual NonnullRefPtr<Font> with_size(float point_size) const override;