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LibWeb: Add CSSPixels::nearest_value_for(FloatingPoint)

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This is intended to annotate conversions from unknown floating-point
values to CSSPixels, and make it more obvious the fp value will be
rounded to the nearest fixed-point value.
This commit is contained in:
MacDue 2023-08-26 15:57:31 +01:00 • committed by Alexander Kalenik
parent 360c0eb509
commit 71baa8c31a
28 changed files with 120 additions and 112 deletions
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8
Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
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@ -258,8 +258,8 @@ void PaintableBox::paint(PaintContext& context, PaintPhase phase) const
auto size_text_rect = border_rect;
size_text_rect.set_y(border_rect.y() + border_rect.height());
size_text_rect.set_top(size_text_rect.top());
size_text_rect.set_width(CSSPixels(font.width(size_text)) + 4);
size_text_rect.set_height(CSSPixels(font.pixel_size()) + 4);
size_text_rect.set_width(CSSPixels::nearest_value_for(font.width(size_text)) + 4);
size_text_rect.set_height(CSSPixels::nearest_value_for(font.pixel_size()) + 4);
auto size_text_device_rect = context.enclosing_device_rect(size_text_rect).to_type<int>();
context.painter().fill_rect(size_text_device_rect, context.palette().color(Gfx::ColorRole::Tooltip));
context.painter().draw_rect(size_text_device_rect, context.palette().threed_shadow1());
@ -503,7 +503,7 @@ static void paint_cursor_if_needed(PaintContext& context, Layout::TextNode const
auto fragment_rect = fragment.absolute_rect();
CSSPixelRect cursor_rect {
fragment_rect.x() + CSSPixels(text_node.font().width(fragment.text().substring_view(0, text_node.browsing_context().cursor_position().offset() - fragment.start()))),
fragment_rect.x() + CSSPixels::nearest_value_for(text_node.font().width(fragment.text().substring_view(0, text_node.browsing_context().cursor_position().offset() - fragment.start()))),
fragment_rect.top(),
1,
fragment_rect.height()
@ -518,7 +518,7 @@ static void paint_text_decoration(PaintContext& context, Gfx::Painter& painter,
{
auto& font = fragment.layout_node().font();
auto fragment_box = fragment.absolute_rect();
CSSPixels glyph_height = CSSPixels(font.pixel_size());
CSSPixels glyph_height = CSSPixels::nearest_value_for(font.pixel_size());
auto baseline = fragment_box.height() / 2 - (glyph_height + 4) / 2 + glyph_height;
auto line_color = text_node.computed_values().text_decoration_color();