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LibWeb: Implement very naive layout of <path> within <svg>

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This commit is contained in:
Andreas Kling 2021-09-18 00:06:16 +02:00
parent 7ac889e533
commit 684f7cca9f
1 changed files with 21 additions and 1 deletions
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22
Userland/Libraries/LibWeb/Layout/SVGFormattingContext.cpp
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@ -6,6 +6,7 @@
#include <AK/Format.h> #include <AK/Format.h>
#include <LibWeb/Layout/SVGFormattingContext.h> #include <LibWeb/Layout/SVGFormattingContext.h>
#include <LibWeb/Layout/SVGPathBox.h>
#include <LibWeb/Layout/SVGSVGBox.h> #include <LibWeb/Layout/SVGSVGBox.h>
namespace Web::Layout { namespace Web::Layout {
@ -19,8 +20,27 @@ SVGFormattingContext::~SVGFormattingContext()
{ {
} }
void SVGFormattingContext::run(Box&, LayoutMode) void SVGFormattingContext::run(Box& box, LayoutMode)
{ {
// FIXME: This formatting context is basically a total hack.
// It works by computing the united bounding box of all <path>'s
// within an <svg>, and using that as the size of this box.
Gfx::FloatRect total_bounding_box;
box.for_each_in_subtree_of_type<SVGBox>([&](auto& descendant) {
if (is<SVGPathBox>(descendant)) {
auto& path_box = static_cast<SVGPathBox&>(descendant);
auto& path = path_box.dom_node().get_path();
path_box.set_size(path.bounding_box().size());
total_bounding_box = total_bounding_box.united(path.bounding_box());
}
return IterationDecision::Continue;
});
box.set_size(total_bounding_box.size());
} }
} }