LibGfx: Make both BilevelImage[get,set]_bit() inline methods

Makes JBIG2's composite_bilevel_image() drop from 25% to 18% in
profiles.

Author: LucasChollet

Userland/Libraries/LibGfx/ImageFormats/BilevelImage.cpp

@@ -25,32 +25,6 @@ ErrorOr<NonnullOwnPtr<BilevelImage>> BilevelImage::create_from_byte_buffer(ByteB
     return adopt_nonnull_own_or_enomem(new (nothrow) BilevelImage(move(bitmap), width, height, pitch));
 }
 
-bool BilevelImage::get_bit(size_t x, size_t y) const
-{
-    VERIFY(x < m_width);
-    VERIFY(y < m_height);
-    size_t byte_offset = x / 8;
-    size_t bit_offset = x % 8;
-    u8 byte = m_bits[y * m_pitch + byte_offset];
-    byte = (byte >> (8 - 1 - bit_offset)) & 1;
-    return byte != 0;
-}
-
-void BilevelImage::set_bit(size_t x, size_t y, bool b)
-{
-    VERIFY(x < m_width);
-    VERIFY(y < m_height);
-    size_t byte_offset = x / 8;
-    size_t bit_offset = x % 8;
-    u8 byte = m_bits[y * m_pitch + byte_offset];
-    u8 mask = 1u << (8 - 1 - bit_offset);
-    if (b)
-        byte |= mask;
-    else
-        byte &= ~mask;
-    m_bits[y * m_pitch + byte_offset] = byte;
-}
-
 void BilevelImage::fill(bool b)
 {
     u8 fill_byte = b ? 0xff : 0;

Userland/Libraries/LibGfx/ImageFormats/BilevelImage.h

@@ -31,8 +31,32 @@ class BilevelImage {
     static ErrorOr<NonnullOwnPtr<BilevelImage>> create_from_byte_buffer(ByteBuffer bitmap, size_t width, size_t height);
     static ErrorOr<NonnullOwnPtr<BilevelImage>> create_from_bitmap(Gfx::Bitmap const& bitmap, DitheringAlgorithm dithering_algorithm);
 
-    bool get_bit(size_t x, size_t y) const;
-    void set_bit(size_t x, size_t y, bool b);
+    ALWAYS_INLINE bool get_bit(size_t x, size_t y) const
+    {
+        VERIFY(x < m_width);
+        VERIFY(y < m_height);
+        size_t byte_offset = x / 8;
+        size_t bit_offset = x % 8;
+        u8 byte = m_bits[y * m_pitch + byte_offset];
+        byte = (byte >> (8 - 1 - bit_offset)) & 1;
+        return byte != 0;
+    }
+
+    ALWAYS_INLINE void set_bit(size_t x, size_t y, bool b)
+    {
+        VERIFY(x < m_width);
+        VERIFY(y < m_height);
+        size_t byte_offset = x / 8;
+        size_t bit_offset = x % 8;
+        u8 byte = m_bits[y * m_pitch + byte_offset];
+        u8 mask = 1u << (8 - 1 - bit_offset);
+        if (b)
+            byte |= mask;
+        else
+            byte &= ~mask;
+        m_bits[y * m_pitch + byte_offset] = byte;
+    }
+
     void fill(bool b);
 
     ErrorOr<NonnullOwnPtr<BilevelImage>> subbitmap(Gfx::IntRect const& rect) const;