Files
ladybird/Userland/Libraries/LibGfx/Font/Font.cpp
Andreas Kling 04a6e2f83d LibWeb: Remove Gfx::BitmapFont
This class supported the binary bitmap font file format in SerenityOS,
and isn't something we need in Ladybird.
2024-06-04 18:45:30 +02:00

41 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Font/Font.h>
#include <LibGfx/Font/FontDatabase.h>
namespace Gfx {
GlyphRasterPosition GlyphRasterPosition::get_nearest_fit_for(FloatPoint position)
{
constexpr auto subpixel_divisions = GlyphSubpixelOffset::subpixel_divisions();
auto fit = [](float pos, int& blit_pos, u8& subpixel_offset) {
blit_pos = floorf(pos);
subpixel_offset = round_to<u8>((pos - blit_pos) * subpixel_divisions);
if (subpixel_offset >= subpixel_divisions) {
blit_pos += 1;
subpixel_offset = 0;
}
};
int blit_x, blit_y;
u8 subpixel_x, subpixel_y;
fit(position.x(), blit_x, subpixel_x);
fit(position.y(), blit_y, subpixel_y);
return GlyphRasterPosition { { blit_x, blit_y }, { subpixel_x, subpixel_y } };
}
Font const& Font::bold_variant() const
{
if (m_bold_variant)
return *m_bold_variant;
m_bold_variant = Gfx::FontDatabase::the().get(family(), point_size(), 700, Gfx::FontWidth::Normal, 0);
if (!m_bold_variant)
m_bold_variant = this;
return *m_bold_variant;
}
}