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LibWeb+LibGfx: Draw shadows for stroke joins and caps

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This commit is contained in:
Tim Ledbetter 2025-10-21 13:41:11 +01:00 • committed by Jelle Raaijmakers
commit 7db73118e9
Notes: github-actions[bot] 2025-10-21 16:56:30 +00:00
15 changed files with 257 additions and 8 deletions
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7
Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
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@ -373,8 +373,6 @@ void CanvasRenderingContext2D::stroke_internal(Gfx::Path const& path)
if (!painter)
return;
paint_shadow_for_stroke_internal(path);
auto& state = drawing_state();
auto line_cap = to_gfx_cap(state.line_cap);
@ -386,6 +384,7 @@ void CanvasRenderingContext2D::stroke_internal(Gfx::Path const& path)
for (auto const& dash : state.dash_list) {
dash_array.append(static_cast<float>(dash));
}
paint_shadow_for_stroke_internal(path, line_cap, line_join, dash_array);
painter->stroke_path(path, state.stroke_style.to_gfx_paint_style(), state.filter, state.line_width, state.global_alpha, state.current_compositing_and_blending_operator, line_cap, line_join, state.miter_limit, dash_array, state.line_dash_offset);
did_draw(path.bounding_box());
@ -1093,7 +1092,7 @@ void CanvasRenderingContext2D::paint_shadow_for_fill_internal(Gfx::Path const& p
did_draw(path.bounding_box());
}
void CanvasRenderingContext2D::paint_shadow_for_stroke_internal(Gfx::Path const& path)
void CanvasRenderingContext2D::paint_shadow_for_stroke_internal(Gfx::Path const& path, Gfx::Path::CapStyle line_cap, Gfx::Path::JoinStyle line_join, Vector<float> const& dash_array)
{
auto* painter = this->painter();
if (!painter)
@ -1123,7 +1122,7 @@ void CanvasRenderingContext2D::paint_shadow_for_stroke_internal(Gfx::Path const&
transform.translate(state.shadow_offset_x, state.shadow_offset_y);
transform.multiply(state.transform);
painter->set_transform(transform);
painter->stroke_path(path, state.shadow_color.with_opacity(alpha), state.line_width, state.shadow_blur, state.current_compositing_and_blending_operator);
painter->stroke_path(path, state.shadow_color.with_opacity(alpha), state.line_width, state.shadow_blur, state.current_compositing_and_blending_operator, line_cap, line_join, state.miter_limit, dash_array, state.line_dash_offset);
painter->restore();