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LibPDF: Render cubic bezier curves

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The implementation of bezier curves already exists on Gfx, so
implementing the PDF rendering of this command is trivial.
This commit is contained in:
Rodrigo Tobar 2022-11-21 13:19:26 +08:00 • committed by Andreas Kling
parent fe5c823989
commit e58165ed7a
1 changed files with 34 additions and 3 deletions
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37
Userland/Libraries/LibPDF/Renderer.cpp
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@ -225,9 +225,40 @@ RENDERER_HANDLER(path_line)
return {}; return {};
} }
RENDERER_TODO(path_cubic_bezier_curve) RENDERER_HANDLER(path_cubic_bezier_curve)
RENDERER_TODO(path_cubic_bezier_curve_no_first_control) {
RENDERER_TODO(path_cubic_bezier_curve_no_second_control) VERIFY(args.size() == 6);
m_current_path.cubic_bezier_curve_to(
map(args[0].to_float(), args[1].to_float()),
map(args[2].to_float(), args[3].to_float()),
map(args[4].to_float(), args[5].to_float()));
return {};
}
RENDERER_HANDLER(path_cubic_bezier_curve_no_first_control)
{
VERIFY(args.size() == 4);
VERIFY(!m_current_path.segments().is_empty());
auto current_point = m_current_path.segments().rbegin()->point();
m_current_path.cubic_bezier_curve_to(
current_point,
map(args[0].to_float(), args[1].to_float()),
map(args[2].to_float(), args[3].to_float()));
return {};
}
RENDERER_HANDLER(path_cubic_bezier_curve_no_second_control)
{
VERIFY(args.size() == 4);
VERIFY(!m_current_path.segments().is_empty());
auto first_control_point = map(args[0].to_float(), args[1].to_float());
auto second_control_point = map(args[2].to_float(), args[3].to_float());
m_current_path.cubic_bezier_curve_to(
first_control_point,
second_control_point,
second_control_point);
return {};
}
RENDERER_HANDLER(path_close) RENDERER_HANDLER(path_close)
{ {