mirror of
https://github.com/fergalmoran/ladybird.git
synced 2026-01-06 16:45:03 +00:00
This class supported the binary bitmap font file format in SerenityOS, and isn't something we need in Ladybird.
41 lines
1.2 KiB
C++
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;
|
|
}
|
|
|
|
}
|