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diff --git a/lib/gs/src/gstk_image.erl b/lib/gs/src/gstk_image.erl
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-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% ------------------------------------------------------------
-%% Basic Image Type
-%% ------------------------------------------------------------
-
--module(gstk_image).
--compile([{nowarn_deprecated_function,{gs,pair,2}}]).
-
-%%-----------------------------------------------------------------------------
-%% BITMAP OPTIONS
-%%
-%% Attributes:
-%% anchor n|w|e|s|nw|sw|ne|se|center
-%% bg Color
-%% bitmap String
-%% coords [{X,Y}]
-%% data Data
-%% fg Color
-%%
-%% Attributes for gifs only:
-%% pix_val {{X,Y},Color}|{{{X1,Y1},{X2,Y2}},Color]
-%% save String
-%% refresh
-%%
-%% Commands:
-%% lower
-%% move {Dx, Dy}
-%% raise
-%% scale {Xo, Yo, Sx, Sy}
-%% setfocus Bool
-%%
-%% Events:
-%% buttonpress [Bool | {Bool, Data}]
-%% buttonrelease [Bool | {Bool, Data}]
-%% enter [Bool | {Bool, Data}]
-%% keypress [Bool | {Bool, Data}]
-%% keyrelease [Bool | {Bool, Data}]
-%% leave [Bool | {Bool, Data}]
-%% motion [Bool | {Bool, Data}]
-%%
-%% Read Options:
-%% pix_val {X,Y}
-%% children
-%% id
-%% parent
-%% type
-%%
-%% Not Implemented:
-%%
-
--export([create/3, config/3, read/3, delete/2, destroy/3, event/5,
- option/5,read_option/5]).
-
--include("gstk.hrl").
-
-%%------------------------------------------------------------------------------
-%% MANDATORY INTERFACE FUNCTIONS
-%%------------------------------------------------------------------------------
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : create/7
-%% Purpose : Create a widget of the type defined in this module.
-%% Args : DB - The Database
-%% Objmod - An atom, this module
-%% Objtype - An atom, the logical widget type
-%% Owner - Pid of the creator
-%% Name - An atom naming the widget
-%% Parent - Gsid of the parent
-%% Opts - A list of options for configuring the widget
-%%
-%% Return : [Gsid_of_new_widget | {bad_result, Reason}]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-create(DB, Gstkid, Opts) ->
- case pickout_type(Opts) of
- bitmap ->
- create(bitmap,DB, Gstkid, Opts);
- _gif -> %%Default gif
- create(gif,DB, Gstkid, Opts)
- end.
-
-create(gif,DB, Gstkid, Opts) ->
- case pickout_coords(Opts, []) of
- {error, Error} ->
- {bad_result, Error};
- {Coords, NewOpts} ->
- CCmd = "image create photo",
- case tcl2erl:ret_atom(CCmd) of
- Photo_item when is_atom(Photo_item) ->
- #gstkid{parent=Parent,owner=Owner,id=Id}=Gstkid,
- Pgstkid = gstk_db:lookup_gstkid(DB, Parent, Owner),
- SO = Pgstkid#gstkid.widget_data,
- CanvasTkW = SO#so.object,
- Photo_item_s = atom_to_list(Photo_item),
- gstk_db:insert_opt(DB,Id,gs:pair(coords,Opts)),
- Ngstkid=Gstkid#gstkid{widget=CanvasTkW,
- widget_data={Photo_item_s,unknown}},
- gstk_db:update_widget(DB,Ngstkid),
- MCmd = [CanvasTkW," create image ",Coords," -image ",
- Photo_item_s," -anchor nw"],
- case gstk_canvas:make_command(NewOpts, Ngstkid,
- CanvasTkW, MCmd, DB) of
- {error,Reason} -> {error,Reason};
- Cmd when is_list(Cmd) ->
- case tcl2erl:ret_int(Cmd) of
- Item when is_integer(Item) ->
- %% buu, not nice
- G2 = gstk_db:lookup_gstkid(DB,Id),
- NewWidget = {Photo_item_s,Item},
- NewGstkid = G2#gstkid{widget_data=NewWidget},
- gstk_db:insert_widget(DB, NewGstkid),
- NewGstkid;
- Bad_result ->
- {error,Bad_result}
- end
- end;
- Bad_result ->
- {error,Bad_result}
- end
- end;
-
-create(bitmap,DB, Gstkid, Opts) ->
- case pickout_coords(Opts, []) of
- {error, Error} ->
- {bad_result, Error};
- {Coords, NewOpts} ->
- #gstkid{parent=Parent,owner=Owner,id=Id}=Gstkid,
- Pgstkid = gstk_db:lookup_gstkid(DB, Parent, Owner),
- SO = Pgstkid#gstkid.widget_data,
- CanvasTkW = SO#so.object,
- gstk_db:insert_opt(DB,Id,gs:pair(coords,Opts)),
- Ngstkid=Gstkid#gstkid{widget=CanvasTkW, widget_data=no_item},
- gstk_db:update_widget(DB,Ngstkid),
- MCmd = [CanvasTkW," create bi ", Coords],
- gstk_canvas:mk_cmd_and_call(NewOpts,Ngstkid, CanvasTkW, MCmd,DB)
- end.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : config/3
-%% Purpose : Configure a widget of the type defined in this module.
-%% Args : DB - The Database
-%% Gstkid - The gstkid of the widget
-%% Opts - A list of options for configuring the widget
-%%
-%% Return : [true | {bad_result, Reason}]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-config(DB, Gstkid, Opts) ->
- {Canvas, Item} = get_widget(Gstkid),
- AItem = gstk:to_ascii(Item),
- SCmd = [Canvas, " itemconf ", AItem],
- gstk_canvas:mk_cmd_and_exec(Opts, Gstkid, Canvas, AItem, SCmd, DB).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : read/3
-%% Purpose : Read one option from a widget
-%% Args : DB - The Database
-%% Gstkid - The gstkid of the widget
-%% Opt - An option to read
-%%
-%% Return : [OptionValue | {bad_result, Reason}]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-read(DB, Gstkid, Opt) ->
- {_, Item} = get_widget(Gstkid),
- gstk_generic:read_option(DB,Gstkid,Opt,[gstk:to_ascii(Item)]).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : delete/2
-%% Purpose : Delete widget from databas and return tkwidget to destroy
-%% Args : DB - The Database
-%% Gstkid - The gstkid of the widget
-%%
-%% Return : TkWidget to destroy | {Parent, Objmod, Args}.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-delete(DB, Gstkid) ->
- gstk_db:delete_widget(DB, Gstkid),
- #gstkid{parent=P,id=ID}=Gstkid,
- {Canvas, Item} = get_widget(Gstkid),
- {P, ID, gstk_image, [Canvas, Item]}.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : destroy/3
-%% Purpose : Destroy a widget
-%% Args : DB - The Database
-%% Canvas - The canvas tk widget
-%% Item - The item number to destroy
-%%
-%% Return : [true | {bad_result, Reason}]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-destroy(_DB, Canvas, Item) ->
- gstk:exec([Canvas, " delete ", gstk:to_ascii(Item)]).
-
-
-event(DB, Gstkid, Etype, Edata, Args) ->
- gstk_generic:event(DB, Gstkid, Etype, Edata, Args).
-
-%%------------------------------------------------------------------------------
-%% MANDATORY FUNCTIONS
-%%------------------------------------------------------------------------------
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : option/5
-%% Purpose : Take care of options
-%% Args : Option - An option tuple
-%% Gstkid - The gstkid of the widget
-%% MainW - The main tk-widget
-%% Canvas - The canvas tk-widget
-%% DB - The Database
-%%
-%% Return : A tuple {OptionType, OptionCmd}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-option(Option, Gstkid, _Canvas, _DB, _AItem) ->
- case Option of
- {bitmap, Bitmap} ->
- BF = re:replace(Bitmap, [92,92], "/", [global,{return,list}]),
- {s, [" -bi @", BF]};
- {load_gif, File} ->
- F2 = re:replace(File, [92,92], "/", [global,{return,list}]),
- {Photo_item, _item} = Gstkid#gstkid.widget_data,
- {c,[Photo_item, " configure -file ", gstk:to_ascii(F2)]};
- {pix_val, {Coords,Color}} ->
- {Photo_item, _item} = Gstkid#gstkid.widget_data,
- {c, [Photo_item, " put ", gstk:to_color(Color), " -to ",
- coords(Coords)]};
- {save_gif, Name} ->
- {Photo_item, _item} = Gstkid#gstkid.widget_data,
- {c, [Photo_item, " write ", gstk:to_ascii(Name)]};
- {fg, Color} -> {s, [" -fo ", gstk:to_color(Color)]};
- {bg, Color} -> {s, [" -ba ", gstk:to_color(Color)]};
- {anchor, How} -> {s, [" -anchor ", gstk:to_ascii(How)]};
- _ -> invalid_option
- end.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Function : read_option/5
-%% Return : The value of the option or invalid_option
-%% [OptionValue | {bad_result, Reason}]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-read_option(Option, Gstkid, Canvas, _DB, AItem) ->
- case Option of
- anchor -> tcl2erl:ret_atom([Canvas," itemcget ",AItem," -anchor"]);
- bg -> tcl2erl:ret_color([Canvas, " itemcget ", AItem, " -ba"]);
- bitmap -> tcl2erl:ret_file([Canvas, " itemcget ", AItem, " -bi"]);
- fg -> tcl2erl:ret_color([Canvas, " itemcget ", AItem, " -fo"]);
- {pix_val,{X,Y}} ->
- {Photo_item, _item} = Gstkid#gstkid.widget_data,
- ret_photo_color([Photo_item," get ",coords({X,Y})]);
- _ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
- end.
-
-ret_photo_color(Cmd) ->
- case gstk:call(Cmd) of
- {result,Str} ->
- {ok, [R,G,B],[]} = io_lib:fread("~d ~d ~d", Str),
- {R,G,B};
- Bad_result -> Bad_result
- end.
-
-
-%%------------------------------------------------------------------------------
-%% PRIMITIVES
-%%------------------------------------------------------------------------------
-get_widget(#gstkid{widget=Canvas,widget_data={_Photo_item,Item}}) ->
- {Canvas,Item};
-get_widget(#gstkid{widget=Canvas,widget_data=Item}) ->
- {Canvas,Item}.
-
-pickout_coords([{coords,Coords} | Rest], Opts) when length(Coords) == 1 ->
- case coords(Coords) of
- invalid ->
- {error, "An image must have two coordinates"};
- RealCoords ->
- {RealCoords, lists:append(Rest, Opts)}
- end;
-pickout_coords([Opt | Rest], Opts) ->
- pickout_coords(Rest, [Opt|Opts]);
-pickout_coords([], _Opts) ->
- {error, "An image must have two coordinates"}.
-
-coords({X,Y}) when is_number(X),is_number(Y) ->
- [gstk:to_ascii(X), " ", gstk:to_ascii(Y), " "];
-coords([{X,Y} | R]) when is_number(X),is_number(Y) ->
- [gstk:to_ascii(X), " ", gstk:to_ascii(Y), " ", coords(R)];
-coords({{X1,Y1},{X2,Y2}}) when is_number(X1),is_number(Y1),is_number(X2),is_number(Y2) ->
- [gstk:to_ascii(X1), " ", gstk:to_ascii(Y1)," ",
- gstk:to_ascii(X2), " ", gstk:to_ascii(Y2)];
-coords([_]) -> %% not a pair
- invalid;
-coords([]) ->
- [].
-
-
-pickout_type([{bitmap,_Str}|_Options]) ->
- bitmap;
-pickout_type([{gif,_Str}|_Options]) ->
- gif;
-pickout_type([]) ->
- none;
-pickout_type([_|Tail]) ->
- pickout_type(Tail).
-
-%% ----- Done -----
-
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