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LibWeb: Implement background-position and background-origin :^)

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Sam Atkins 2021-11-15 19:15:14 +00:00 • committed by Andreas Kling
parent 16d9ae0f88
commit 80642b4f9d
1 changed files with 19 additions and 2 deletions
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21
Userland/Libraries/LibWeb/Painting/BackgroundPainting.cpp
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@ -60,8 +60,25 @@ void paint_background(PaintContext& context, Layout::NodeWithStyleAndBoxModelMet
// FIXME: Size
Gfx::IntRect image_rect { border_rect.x(), border_rect.y(), image.width(), image.height() };
// FIXME: Origin
// FIXME: Position
// Origin
auto background_positioning_area = get_box(layer.origin);
int space_x = background_positioning_area.width() - image_rect.width();
int space_y = background_positioning_area.height() - image_rect.height();
// Position
int offset_x = layer.position_offset_x.resolved_or_zero(layout_node, space_x).to_px(layout_node);
if (layer.position_edge_x == CSS::PositionEdge::Right) {
image_rect.set_right_without_resize(background_positioning_area.right() - offset_x);
} else {
image_rect.set_left(background_positioning_area.left() + offset_x);
}
int offset_y = layer.position_offset_y.resolved_or_zero(layout_node, space_y).to_px(layout_node);
if (layer.position_edge_y == CSS::PositionEdge::Bottom) {
image_rect.set_bottom_without_resize(background_positioning_area.bottom() - offset_y);
} else {
image_rect.set_top(background_positioning_area.top() + offset_y);
}
// Repetition
bool repeat_x = false;