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(* Graph viewer
* Copyright (C) 2010 Jérôme Vouillon
* Laboratoire PPS - CNRS Université Paris Diderot
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
module F (M : sig
type color
type font
type text
val white : color
type ctx
val save : ctx -> unit
val restore : ctx -> unit
val scale : ctx -> sx:float -> sy:float -> unit
val translate : ctx -> tx:float -> ty:float -> unit
val begin_path : ctx -> unit
val close_path : ctx -> unit
val move_to : ctx -> x:float -> y:float -> unit
val line_to : ctx -> x:float -> y:float -> unit
val curve_to :
ctx -> x1:float -> y1:float -> x2:float -> y2:float -> x3:float -> y3:float -> unit
val arc :
ctx -> xc:float -> yc:float -> radius:float -> angle1:float -> angle2:float -> unit
val rectangle : ctx -> x:float -> y:float -> width:float -> height:float -> unit
val fill : ctx -> color -> unit
val stroke : ctx -> color -> unit
val clip : ctx -> unit
val draw_text :
ctx -> float -> float -> text -> font -> color option -> color option -> unit
type window
type drawable
type pixmap
val get_drawable : window -> drawable
val make_pixmap : window -> int -> int -> pixmap
val drawable_of_pixmap : pixmap -> drawable
val get_context : pixmap -> ctx
val put_pixmap :
dst:drawable
-> x:int
-> y:int
-> xsrc:int
-> ysrc:int
-> width:int
-> height:int
-> pixmap
-> unit
(****)
type rectangle =
{ x : int
; y : int
; width : int
; height : int
}
val compute_extents :
ctx
-> (color, font, text) Scene.element array
-> (float * float * float * float) array
end) : sig
type pixmap
val make_pixmap : unit -> pixmap
val invalidate_pixmap : pixmap -> unit
type st =
{ mutable bboxes : (float * float * float * float) array
; scene : (M.color, M.font, M.text) Scene.element array
; mutable zoom_factor : float
; st_x : float
; st_y : float
; st_width : float
; st_height : float
; st_pixmap : pixmap
}
val redraw :
st
-> float
-> float
-> float
-> M.window
-> M.rectangle
-> int
-> int
-> int
-> int
-> unit
end
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