deferred class EV_DRAWABLE General cluster: interface description: "Abstraction for objects onto which graphical primitives may be applied. Note: When line style is dashed and line width is bigger than one, lines are not guaranteed to be dashed on all platforms. All drawing operations are performed in the current oreground color unless otherwise stated. i.e. `clear_rectangle' uses the current background color." keywords: "figure, primitive, drawing, line, point, ellipse" Ancestors EV_COLORIZABLE* EV_DRAWABLE_CONSTANTS EV_FONTABLE* Queries background_color: EV_COLOR clip_area: EV_RECTANGLE dashed_line_style: BOOLEAN data: ANY drawing_mode: INTEGER_32 font: EV_FONT foreground_color: EV_COLOR height: INTEGER_32 is_destroyed: BOOLEAN line_width: INTEGER_32 sub_pixmap (area: EV_RECTANGLE): EV_PIXMAP tile: EV_PIXMAP valid_drawing_mode (a_mode: INTEGER_32): BOOLEAN width: INTEGER_32 Commands clear clear_rectangle (x, y, a_width, a_height: INTEGER_32) copy (other: [like Current] EV_DRAWABLE) destroy disable_dashed_line_style draw_arc (x, y, a_bounding_width, a_bounding_height: INTEGER_32; a_start_angle, an_aperture: REAL_32) draw_ellipse (x, y, a_bounding_width, a_bounding_height: INTEGER_32) draw_ellipsed_text (x, y: INTEGER_32; a_text: STRING_GENERAL; clipping_width: INTEGER_32) draw_ellipsed_text_top_left (x, y: INTEGER_32; a_text: STRING_GENERAL; clipping_width: INTEGER_32) draw_pie_slice (x, y, a_bounding_width, a_bounding_height: INTEGER_32; a_start_angle, an_aperture: REAL_32) draw_pixmap (x, y: INTEGER_32; a_pixmap: EV_PIXMAP) draw_point (x, y: INTEGER_32) draw_polyline (points: ARRAY [EV_COORDINATE]; is_closed: BOOLEAN) draw_rectangle (x, y, a_width, a_height: INTEGER_32) draw_segment (x1, y1, x2, y2: INTEGER_32) draw_straight_line (x1, y1, x2, y2: INTEGER_32) draw_sub_pixmap (x, y: INTEGER_32; a_pixmap: EV_PIXMAP; area: EV_RECTANGLE) draw_text (x, y: INTEGER_32; a_text: STRING_GENERAL) draw_text_top_left (x, y: INTEGER_32; a_text: STRING_GENERAL) enable_dashed_line_style fill_ellipse (x, y, a_bounding_width, a_bounding_height: INTEGER_32) fill_pie_slice (x, y, a_bounding_width, a_bounding_height: INTEGER_32; a_start_angle, an_aperture: REAL_32) fill_polygon (points: ARRAY [EV_COORDINATE]) fill_rectangle (x, y, a_width, a_height: INTEGER_32) remove_clip_area remove_clipping remove_tile set_and_mode set_background_color (a_color: [like background_color] EV_COLOR) set_clip_area (an_area: EV_RECTANGLE) set_clip_region (a_region: EV_REGION) set_copy_mode set_data (some_data: [like data] ANY) set_default_colors set_drawing_mode (a_mode: INTEGER_32) set_font (a_font: EV_FONT) set_foreground_color (a_color: [like foreground_color] EV_COLOR) set_invert_mode set_line_width (a_width: INTEGER_32) set_or_mode set_tile (a_pixmap: EV_PIXMAP) set_xor_mode Constraints line width positive or zero drawing mode valid