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LibWeb: Scale the font when painting the text on buttons

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Button text was staying the same size at all zoom levels. :^)
This commit is contained in:
Andreas Kling 2023-03-15 22:53:38 +01:00
parent 20132da88d
commit 5146b9b35e
4 changed files with 29 additions and 18 deletions
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17
Userland/Libraries/LibWeb/FontCache.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DeprecatedFlyString.h>
#include <LibGfx/Font/Font.h>
#include <LibWeb/FontCache.h>
@ -21,6 +22,22 @@ RefPtr<Gfx::Font const> FontCache::get(FontSelector const& font_selector) const
return nullptr;
}
NonnullRefPtr<Gfx::Font const> FontCache::scaled_font(Gfx::Font const& font, float scale_factor)
{
auto device_font_pt_size = font.point_size() * scale_factor;
FontSelector font_selector = { FlyString::from_deprecated_fly_string(font.family()).release_value_but_fixme_should_propagate_errors(), device_font_pt_size, font.weight(), font.width(), font.slope() };
if (auto cached_font = FontCache::the().get(font_selector)) {
return *cached_font;
}
if (auto font_with_device_pt_size = font.with_size(device_font_pt_size)) {
set(font_selector, *font_with_device_pt_size);
return font_with_device_pt_size.release_nonnull();
}
return font;
}
void FontCache::set(FontSelector const& font_selector, NonnullRefPtr<Gfx::Font const> font)
{
m_fonts.set(font_selector, move(font));