Box.h 1.4 KB

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  1. /*
  2. * Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <AK/OwnPtr.h>
  8. #include <LibGfx/Rect.h>
  9. #include <LibWeb/Layout/Node.h>
  10. namespace Web::Layout {
  11. struct LineBoxFragmentCoordinate {
  12. size_t line_box_index { 0 };
  13. size_t fragment_index { 0 };
  14. };
  15. class Box : public NodeWithStyleAndBoxModelMetrics {
  16. public:
  17. Painting::PaintableBox const* paint_box() const;
  18. virtual void set_needs_display() override;
  19. bool is_body() const;
  20. virtual Optional<float> intrinsic_width() const { return {}; }
  21. virtual Optional<float> intrinsic_height() const { return {}; }
  22. virtual Optional<float> intrinsic_aspect_ratio() const { return {}; }
  23. bool has_intrinsic_width() const { return intrinsic_width().has_value(); }
  24. bool has_intrinsic_height() const { return intrinsic_height().has_value(); }
  25. bool has_intrinsic_aspect_ratio() const { return intrinsic_aspect_ratio().has_value(); }
  26. virtual ~Box() override;
  27. virtual void did_set_rect() { }
  28. virtual RefPtr<Painting::Paintable> create_paintable() const override;
  29. protected:
  30. Box(DOM::Document&, DOM::Node*, NonnullRefPtr<CSS::StyleProperties>);
  31. Box(DOM::Document&, DOM::Node*, CSS::ComputedValues);
  32. private:
  33. virtual bool is_box() const final { return true; }
  34. };
  35. template<>
  36. inline bool Node::fast_is<Box>() const { return is_box(); }
  37. }