LibWeb: Compute the final border-style property before painting

Instead of doing a CSS property lookup for the line style of each
border edge during paint, we now cache the final CSS::LineStyle to use
in the Layout::BorderData.
This commit is contained in:
Andreas Kling 2020-12-04 16:11:55 +01:00
parent 88ca932fac
commit 2cbbab8f73
Notes: sideshowbarker 2024-07-19 01:03:46 +09:00
7 changed files with 82 additions and 50 deletions

View file

@ -33,66 +33,53 @@
namespace Web::Layout {
void Box::paint_border(PaintContext& context, Edge edge, const Gfx::FloatRect& rect, CSS::PropertyID style_property_id, const BorderData& border_data)
void Box::paint_border(PaintContext& context, Edge edge, const Gfx::FloatRect& rect, const BorderData& border_data)
{
float width = border_data.width;
if (width <= 0)
return;
auto color = border_data.color;
auto border_style = specified_style().property(style_property_id);
auto border_style = border_data.line_style;
int int_width = max((int)width, 1);
auto first_point_for_edge = [](Edge edge, const Gfx::FloatRect& rect) {
struct Points {
Gfx::FloatPoint p1;
Gfx::FloatPoint p2;
};
auto points_for_edge = [](Edge edge, const Gfx::FloatRect& rect) -> Points {
switch (edge) {
case Edge::Top:
return rect.top_left();
return { rect.top_left(), rect.top_right() };
case Edge::Right:
return rect.top_right();
return { rect.top_right(), rect.bottom_right() };
case Edge::Bottom:
return rect.bottom_left();
case Edge::Left:
default:
return rect.top_left();
return { rect.bottom_left(), rect.bottom_right() };
default: // Edge::Left
return { rect.top_left(), rect.bottom_left() };
}
};
auto second_point_for_edge = [](Edge edge, const Gfx::FloatRect& rect) {
switch (edge) {
case Edge::Top:
return rect.top_right();
case Edge::Right:
return rect.bottom_right();
case Edge::Bottom:
return rect.bottom_right();
case Edge::Left:
default:
return rect.bottom_left();
}
};
auto [p1, p2] = points_for_edge(edge, rect);
auto p1 = first_point_for_edge(edge, rect);
auto p2 = second_point_for_edge(edge, rect);
if (border_style.has_value() && border_style.value()->to_string() == "inset") {
if (border_style == CSS::LineStyle::Inset) {
auto top_left_color = Color::from_rgb(0x5a5a5a);
auto bottom_right_color = Color::from_rgb(0x888888);
color = (edge == Edge::Left || edge == Edge::Top) ? top_left_color : bottom_right_color;
} else if (border_style.has_value() && border_style.value()->to_string() == "outset") {
} else if (border_style == CSS::LineStyle::Outset) {
auto top_left_color = Color::from_rgb(0x888888);
auto bottom_right_color = Color::from_rgb(0x5a5a5a);
color = (edge == Edge::Left || edge == Edge::Top) ? top_left_color : bottom_right_color;
}
auto line_style = Gfx::Painter::LineStyle::Solid;
if (border_style.has_value()) {
if (border_style.value()->to_string() == "dotted")
line_style = Gfx::Painter::LineStyle::Dotted;
if (border_style.value()->to_string() == "dashed")
line_style = Gfx::Painter::LineStyle::Dashed;
}
auto gfx_line_style = Gfx::Painter::LineStyle::Solid;
if (border_style == CSS::LineStyle::Dotted)
gfx_line_style = Gfx::Painter::LineStyle::Dotted;
if (border_style == CSS::LineStyle::Dashed)
gfx_line_style = Gfx::Painter::LineStyle::Dashed;
if (line_style != Gfx::Painter::LineStyle::Solid) {
if (gfx_line_style != Gfx::Painter::LineStyle::Solid) {
switch (edge) {
case Edge::Top:
p1.move_by(int_width / 2, int_width / 2);
@ -111,12 +98,12 @@ void Box::paint_border(PaintContext& context, Edge edge, const Gfx::FloatRect& r
p2.move_by(int_width / 2, -int_width / 2);
break;
}
context.painter().draw_line({ (int)p1.x(), (int)p1.y() }, { (int)p2.x(), (int)p2.y() }, color, int_width, line_style);
context.painter().draw_line({ (int)p1.x(), (int)p1.y() }, { (int)p2.x(), (int)p2.y() }, color, int_width, gfx_line_style);
return;
}
auto draw_line = [&](auto& p1, auto& p2) {
context.painter().draw_line({ (int)p1.x(), (int)p1.y() }, { (int)p2.x(), (int)p2.y() }, color, 1, line_style);
context.painter().draw_line({ (int)p1.x(), (int)p1.y() }, { (int)p2.x(), (int)p2.y() }, color, 1, gfx_line_style);
};
float p1_step = 0;
@ -200,10 +187,10 @@ void Box::paint(PaintContext& context, PaintPhase phase)
bordered_rect.set_y(padded_rect.y() - box_model().border.top.to_px(*this));
bordered_rect.set_height(padded_rect.height() + box_model().border.top.to_px(*this) + box_model().border.bottom.to_px(*this));
paint_border(context, Edge::Left, bordered_rect, CSS::PropertyID::BorderLeftStyle, style().border_left());
paint_border(context, Edge::Right, bordered_rect, CSS::PropertyID::BorderRightStyle, style().border_right());
paint_border(context, Edge::Top, bordered_rect, CSS::PropertyID::BorderTopStyle, style().border_top());
paint_border(context, Edge::Bottom, bordered_rect, CSS::PropertyID::BorderBottomStyle, style().border_bottom());
paint_border(context, Edge::Left, bordered_rect, style().border_left());
paint_border(context, Edge::Right, bordered_rect, style().border_right());
paint_border(context, Edge::Top, bordered_rect, style().border_top());
paint_border(context, Edge::Bottom, bordered_rect, style().border_bottom());
}
Layout::NodeWithStyleAndBoxModelMetrics::paint(context, phase);