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authorSam Atkins <atkinssj@serenityos.org>2022-11-04 17:19:11 +0000
committerLinus Groh <mail@linusgroh.de>2023-01-05 17:42:31 +0100
commit76047d19326ee546fce548c40383cfabf4536da0 (patch)
tree15aff2e4ef9749ac29352da1772bd537299b01eb /Userland/Libraries/LibWeb/Layout/LineBuilder.cpp
parent700ba0007f9cbb8632836ecb0ef6498603d3b957 (diff)
downloadserenity-76047d19326ee546fce548c40383cfabf4536da0.zip
LibWeb: Convert InlineLevelIterator/LineBox/LineBuilder to new px units
Diffstat (limited to 'Userland/Libraries/LibWeb/Layout/LineBuilder.cpp')
-rw-r--r--Userland/Libraries/LibWeb/Layout/LineBuilder.cpp68
1 files changed, 34 insertions, 34 deletions
diff --git a/Userland/Libraries/LibWeb/Layout/LineBuilder.cpp b/Userland/Libraries/LibWeb/Layout/LineBuilder.cpp
index bc430f0c69..8808991502 100644
--- a/Userland/Libraries/LibWeb/Layout/LineBuilder.cpp
+++ b/Userland/Libraries/LibWeb/Layout/LineBuilder.cpp
@@ -24,7 +24,7 @@ LineBuilder::~LineBuilder()
update_last_line();
}
-void LineBuilder::break_line(Optional<float> next_item_width)
+void LineBuilder::break_line(Optional<CSSPixels> next_item_width)
{
update_last_line();
size_t break_count = 0;
@@ -51,7 +51,7 @@ void LineBuilder::begin_new_line(bool increment_y, bool is_first_break_in_sequen
// This means we're trying to squeeze past intruding floats.
// Scan 1px at a time until we find a Y value where a new line can fit.
// FIXME: This is super dumb and inefficient.
- float candidate_y = m_current_y + 1;
+ CSSPixels candidate_y = m_current_y + 1;
while (true) {
if (m_context.can_fit_new_line_at_y(candidate_y))
break;
@@ -73,7 +73,7 @@ LineBox& LineBuilder::ensure_last_line_box()
return line_boxes.last();
}
-void LineBuilder::append_box(Box const& box, float leading_size, float trailing_size, float leading_margin, float trailing_margin)
+void LineBuilder::append_box(Box const& box, CSSPixels leading_size, CSSPixels trailing_size, CSSPixels leading_margin, CSSPixels trailing_margin)
{
auto& box_state = m_layout_state.get_mutable(box);
auto& line_box = ensure_last_line_box();
@@ -86,21 +86,21 @@ void LineBuilder::append_box(Box const& box, float leading_size, float trailing_
};
}
-void LineBuilder::append_text_chunk(TextNode const& text_node, size_t offset_in_node, size_t length_in_node, float leading_size, float trailing_size, float leading_margin, float trailing_margin, float content_width, float content_height)
+void LineBuilder::append_text_chunk(TextNode const& text_node, size_t offset_in_node, size_t length_in_node, CSSPixels leading_size, CSSPixels trailing_size, CSSPixels leading_margin, CSSPixels trailing_margin, CSSPixels content_width, CSSPixels content_height)
{
ensure_last_line_box().add_fragment(text_node, offset_in_node, length_in_node, leading_size, trailing_size, leading_margin, trailing_margin, content_width, content_height, 0, 0);
m_max_height_on_current_line = max(m_max_height_on_current_line, content_height);
}
-float LineBuilder::y_for_float_to_be_inserted_here(Box const& box)
+CSSPixels LineBuilder::y_for_float_to_be_inserted_here(Box const& box)
{
auto const& box_state = m_layout_state.get(box);
- auto const width = box_state.margin_box_width();
- auto const height = box_state.margin_box_height();
+ CSSPixels const width = box_state.margin_box_width();
+ CSSPixels const height = box_state.margin_box_height();
- float candidate_y = m_current_y;
+ CSSPixels candidate_y = m_current_y;
- float current_line_width = ensure_last_line_box().width();
+ CSSPixels current_line_width = ensure_last_line_box().width();
// If there's already inline content on the current line, check if the new float can fit
// alongside the content. If not, place it on the next line.
if (current_line_width > 0 && (current_line_width + width) > m_available_width_for_current_line)
@@ -110,8 +110,8 @@ float LineBuilder::y_for_float_to_be_inserted_here(Box const& box)
// FIXME: This is super dumb, we move 1px downwards per iteration and stop
// when we find an Y value where we don't collide with other floats.
while (true) {
- auto space_at_y_top = m_context.available_space_for_line(candidate_y).value();
- auto space_at_y_bottom = m_context.available_space_for_line(candidate_y + height).value();
+ auto space_at_y_top = m_context.available_space_for_line(candidate_y);
+ auto space_at_y_bottom = m_context.available_space_for_line(candidate_y + height);
if (width > space_at_y_top || width > space_at_y_bottom) {
if (!m_context.any_floats_intrude_at_y(candidate_y) && !m_context.any_floats_intrude_at_y(candidate_y + height)) {
return candidate_y;
@@ -123,9 +123,9 @@ float LineBuilder::y_for_float_to_be_inserted_here(Box const& box)
}
}
-bool LineBuilder::should_break(float next_item_width)
+bool LineBuilder::should_break(CSSPixels next_item_width)
{
- if (!isfinite(m_available_width_for_current_line))
+ if (!isfinite(m_available_width_for_current_line.value()))
return false;
auto const& line_boxes = m_containing_block_state.line_boxes;
@@ -154,11 +154,11 @@ void LineBuilder::update_last_line()
auto text_align = m_context.containing_block().computed_values().text_align();
auto current_line_height = max(m_max_height_on_current_line, m_context.containing_block().line_height());
- float x_offset_top = m_context.leftmost_x_offset_at(m_current_y).value();
- float x_offset_bottom = m_context.leftmost_x_offset_at(m_current_y + current_line_height - 1).value();
- float x_offset = max(x_offset_top, x_offset_bottom);
+ CSSPixels x_offset_top = m_context.leftmost_x_offset_at(m_current_y);
+ CSSPixels x_offset_bottom = m_context.leftmost_x_offset_at(m_current_y + current_line_height - 1);
+ CSSPixels x_offset = max(x_offset_top, x_offset_bottom);
- float excess_horizontal_space = m_available_width_for_current_line - line_box.width();
+ CSSPixels excess_horizontal_space = m_available_width_for_current_line - line_box.width();
switch (text_align) {
case CSS::TextAlign::Center:
@@ -185,7 +185,7 @@ void LineBuilder::update_last_line()
}();
auto line_box_baseline = [&] {
- float line_box_baseline = strut_baseline;
+ CSSPixels line_box_baseline = strut_baseline;
for (auto& fragment : line_box.fragments()) {
auto const& font = fragment.layout_node().font();
auto const line_height = fragment.layout_node().line_height();
@@ -196,7 +196,7 @@ void LineBuilder::update_last_line()
// The CSS specification calls this AD (A+D, Ascent + Descent).
- float fragment_baseline = 0;
+ CSSPixels fragment_baseline = 0;
if (fragment.layout_node().is_text_node()) {
fragment_baseline = font_metrics.ascent + half_leading;
} else {
@@ -221,21 +221,21 @@ void LineBuilder::update_last_line()
auto strut_top = m_current_y;
auto strut_bottom = m_current_y + m_context.containing_block().line_height();
- float uppermost_box_top = strut_top;
- float lowermost_box_bottom = strut_bottom;
+ CSSPixels uppermost_box_top = strut_top;
+ CSSPixels lowermost_box_bottom = strut_bottom;
for (size_t i = 0; i < line_box.fragments().size(); ++i) {
auto& fragment = line_box.fragments()[i];
- float new_fragment_x = roundf(x_offset + fragment.offset().x().value());
- float new_fragment_y = 0;
+ CSSPixels new_fragment_x = round(x_offset + fragment.offset().x());
+ CSSPixels new_fragment_y = 0;
auto y_value_for_alignment = [&](CSS::VerticalAlign vertical_align) {
switch (vertical_align) {
case CSS::VerticalAlign::Baseline:
- return m_current_y + line_box_baseline - fragment.baseline().value() + fragment.border_box_top().value();
+ return m_current_y + line_box_baseline - fragment.baseline() + fragment.border_box_top();
case CSS::VerticalAlign::Top:
- return m_current_y + fragment.border_box_top().value();
+ return m_current_y + fragment.border_box_top();
case CSS::VerticalAlign::Middle:
case CSS::VerticalAlign::Bottom:
case CSS::VerticalAlign::Sub:
@@ -243,7 +243,7 @@ void LineBuilder::update_last_line()
case CSS::VerticalAlign::TextBottom:
case CSS::VerticalAlign::TextTop:
// FIXME: These are all 'baseline'
- return m_current_y + line_box_baseline - fragment.baseline().value() + fragment.border_box_top().value();
+ return m_current_y + line_box_baseline - fragment.baseline() + fragment.border_box_top();
}
VERIFY_NOT_REACHED();
};
@@ -258,23 +258,23 @@ void LineBuilder::update_last_line()
}
}
- fragment.set_offset({ new_fragment_x, floorf(new_fragment_y) });
+ fragment.set_offset({ new_fragment_x, floor(new_fragment_y) });
- float top_of_inline_box = 0;
- float bottom_of_inline_box = 0;
+ CSSPixels top_of_inline_box = 0;
+ CSSPixels bottom_of_inline_box = 0;
{
// FIXME: Support inline-table elements.
if (fragment.layout_node().is_replaced_box() || (fragment.layout_node().display().is_inline_outside() && !fragment.layout_node().display().is_flow_inside())) {
auto const& fragment_box_state = m_layout_state.get(static_cast<Box const&>(fragment.layout_node()));
- top_of_inline_box = (fragment.offset().y() - fragment_box_state.margin_box_top()).value();
- bottom_of_inline_box = (fragment.offset().y() + fragment_box_state.content_height() + fragment_box_state.margin_box_bottom()).value();
+ top_of_inline_box = (fragment.offset().y() - fragment_box_state.margin_box_top());
+ bottom_of_inline_box = (fragment.offset().y() + fragment_box_state.content_height() + fragment_box_state.margin_box_bottom());
} else {
auto font_metrics = fragment.layout_node().font().pixel_metrics();
auto typographic_height = font_metrics.ascent + font_metrics.descent;
auto leading = fragment.layout_node().line_height() - typographic_height;
auto half_leading = leading / 2;
- top_of_inline_box = (fragment.offset().y() + fragment.baseline() - font_metrics.ascent - half_leading).value();
- bottom_of_inline_box = (fragment.offset().y() + fragment.baseline() + font_metrics.descent + half_leading).value();
+ top_of_inline_box = (fragment.offset().y() + fragment.baseline() - font_metrics.ascent - half_leading);
+ bottom_of_inline_box = (fragment.offset().y() + fragment.baseline() + font_metrics.descent + half_leading);
}
if (auto length_percentage = fragment.layout_node().computed_values().vertical_align().template get_pointer<CSS::LengthPercentage>(); length_percentage && length_percentage->is_length())
bottom_of_inline_box += length_percentage->length().to_px(fragment.layout_node());
@@ -306,7 +306,7 @@ void LineBuilder::recalculate_available_space()
auto current_line_height = max(m_max_height_on_current_line, m_context.containing_block().line_height());
auto available_at_top_of_line_box = m_context.available_space_for_line(m_current_y);
auto available_at_bottom_of_line_box = m_context.available_space_for_line(m_current_y + current_line_height - 1);
- m_available_width_for_current_line = min(available_at_bottom_of_line_box, available_at_top_of_line_box).value();
+ m_available_width_for_current_line = min(available_at_bottom_of_line_box, available_at_top_of_line_box);
}
}