Class: Glimmer::LibUI::ControlProxy::PathProxy
Overview
Proxy for LibUI path objects
Follows the Proxy Design Pattern
Constant Summary
BOOLEAN_PROPERTIES, KEYWORD_ALIASES, STRING_PROPERTIES, TransformProxy
Instance Attribute Summary
#args, #block, #content_added, #keyword, #libui, #parent_proxy
Instance Method Summary
collapse
Methods included from Parent
#children, #post_initialize_child
#apply_transform, #post_initialize_child, #transform, #undo_transform
#append_properties, #append_property, #can_handle_listener?, constant_symbol, #content, control_proxies, create, #custom_listener_name_aliases, #custom_listener_names, #default_destroy, #deregister_all_custom_listeners, #deregister_custom_listeners, descendant_keyword_constant_map, #destroy_child, #enabled, exists?, #handle_custom_listener, #handle_listener, #has_custom_listener?, image_proxies, keyword, #libui_api_keyword, #listeners, #listeners_for, main_window_proxy, map_descendant_keyword_constants_for, menu_proxies, #method_missing, new_control, #notify_custom_listeners, #post_initialize_child, reset_descendant_keyword_constant_map, #respond_to?, #respond_to_libui?, #send_to_libui, #visible, widget_proxy_class, #window_proxy
#data_bind, #data_bind_read, #data_bind_write, #data_binding_model_attribute_observer_registrations
Constructor Details
#initialize(keyword, parent, args, &block) ⇒ PathProxy
Returns a new instance of PathProxy.
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 37
def initialize(keyword, parent, args, &block)
@keyword = keyword
@parent_proxy = parent
@args = args
@block = block
post_add_content if @block.nil?
end
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Instance Method Details
#draw(area_draw_params) ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 53
def draw(area_draw_params)
build_control
children.dup.each {|child| child.draw(area_draw_params)}
::LibUI.draw_path_end(@libui)
::LibUI.draw_fill(area_draw_params[:context], @libui, fill_draw_brush.to_ptr) unless fill.empty?
::LibUI.draw_stroke(area_draw_params[:context], @libui, stroke_draw_brush, draw_stroke_params) unless stroke.empty?
::LibUI.draw_free_path(@libui)
end
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#draw_fill_mode ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 62
def draw_fill_mode
@args[0].is_a?(Integer) ? @args[0] : @args[0].to_s == 'alternate' ? 1 : 0
end
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#draw_line_cap ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 136
def draw_line_cap
Glimmer::LibUI.enum_symbol_to_value(:draw_line_cap, @stroke && @stroke[:cap])
end
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#draw_line_join ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 140
def draw_line_join
Glimmer::LibUI.enum_symbol_to_value(:draw_line_join, @stroke && @stroke[:join])
end
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#draw_stroke_params ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 124
def draw_stroke_params
@draw_stroke_params ||= ::LibUI::FFI::DrawStrokeParams.malloc
@draw_stroke_params.Cap = draw_line_cap @draw_stroke_params.Join = draw_line_join @draw_stroke_params.Thickness = @stroke[:thickness] || 1
@draw_stroke_params.MiterLimit = @stroke[:miter_limit] || 10 @draw_stroke_params.Dashes = @stroke[:dashes].to_a.pack('d*')
@draw_stroke_params.NumDashes = @stroke[:dashes].to_a.count
@draw_stroke_params.DashPhase = @stroke[:dash_phase] || 0
@draw_stroke_params
end
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#fill(*args) ⇒ Object
Also known as:
fill=, set_fill
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 66
def fill(*args)
args = args.first if args.size == 1 && (args.first.is_a?(Array) || args.first.is_a?(Hash) || args.first.is_a?(String) || args.first.is_a?(Symbol))
if args.empty?
@fill ||= {}
else
new_color = Glimmer::LibUI.interpret_color(args)
if new_color != @fill
@fill_observer&.unobserve(@fill, attribute_writer_type: [:attribute=, :set_attribute]) if @fill
@fill = new_color
request_auto_redraw
end
end
@fill.tap do
@fill_observer ||= Glimmer::DataBinding::Observer.proc do
request_auto_redraw
end
@fill_observer.observe(@fill, attribute_writer_type: [:attribute=, :set_attribute])
end
end
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#fill_draw_brush ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 89
def fill_draw_brush
@fill_draw_brush ||= ::LibUI::FFI::DrawBrush.malloc
init_draw_brush(@fill_draw_brush, @fill)
@fill_draw_brush
end
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#post_add_content ⇒ Object
#redraw ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 151
def redraw
@parent_proxy&.redraw
end
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#request_auto_redraw ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 155
def request_auto_redraw
@parent_proxy&.request_auto_redraw
end
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#stroke(*args) ⇒ Object
Also known as:
stroke=, set_stroke
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 95
def stroke(*args)
args = args.first if args.size == 1 && (args.first.is_a?(Array) || args.first.is_a?(Hash) || args.first.is_a?(String) || args.first.is_a?(Symbol))
if args.empty?
@stroke ||= {}
else
new_color = Glimmer::LibUI.interpret_color(args)
if new_color != @stroke
@stroke_observer&.unobserve(@stroke, attribute_writer_type: [:attribute=, :set_attribute]) if @stroke
@stroke = Glimmer::LibUI.interpret_color(args)
request_auto_redraw
end
end
@stroke.tap do
@stroke_observer ||= Glimmer::DataBinding::Observer.proc do
request_auto_redraw
end
@stroke_observer.observe(@stroke, attribute_writer_type: [:attribute=, :set_attribute])
end
end
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#stroke_draw_brush ⇒ Object
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# File 'lib/glimmer/libui/control_proxy/path_proxy.rb', line 118
def stroke_draw_brush
@stroke_draw_brush ||= ::LibUI::FFI::DrawBrush.malloc
init_draw_brush(@stroke_draw_brush, @stroke)
@stroke_draw_brush
end
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