/usr/share/texlive/texmf-dist/metapost/metauml/util_picture.mp is in texlive-metapost 2015.20160320-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 | % MetaUtil, an easier MetaPost life
% Copyright (C) 2005 Ovidiu Gheorghies
%
% 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 General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; if not, write to the Free Software
% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if known _util_picture_mp:
expandafter endinput
fi;
_util_picture_mp:=1;
% Sadly, this copy of the macro is needed to prevent multiple file loads being shown by MetaPost.
% The guard values (such as _metauml_mp) do ensure that the file isn't loaded multiple times,
% but this macro makes sure that MetaPost won't try to load the file and display a message for that.
def inputonce text libraryFile=
if not known scantokens ("_" & str libraryFile & "_mp"):
%includeonce% show "Loading " & str libraryFile;
scantokens ("input " & str libraryFile);
else:
%includeonce% show str libraryFile & " already loaded.";
fi;
enddef;
inputonce util_log;
inputonce util_margins;
if not known _n_cur_:input boxes;fi;
vardef FontInfo@#(expr tname, tscale)=
attributes(@#);
var(string) className;
var(string) name;
var(numeric) scale;
@#className := "FontInfo";
@#name := tname;
@#scale := tscale;
enddef;
vardef FontInfoCopy@#(text fontInfo)=
FontInfo@#(fontInfo.name, fontInfo.scale);
@#ignoreNegativeBase := fontInfo.ignoreNegativeBase;
enddef;
vardef FontInfo_toString@#=
save ret; string ret;
ret := "FontInfo(" & (str @#) & "): {" & (@#name) & ", " & (decimal @#scale) & "}";
ret
enddef;
log "()()() Creating iFont";
FontInfo.iFont(defaultfont, defaultscale);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% PICTURE %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
vardef PictureInfo@#(expr pleft, pright, ptop, pbottom)(text pfont)=
attributes(@#);
var(string) className;
@#className := "PictureInfo";
var(color) borderColor;
var(numeric) boxed;
%% Used to set the base of a text to the natural base of the letters.
%% If set to '1', 'y' and 'a' will have the same base line, the tail
%% of 'y' being rendered below that line
%%
var(numeric) ignoreNegativeBase;
%% If these attributes are set to -1, the height and width of the
%% Picture object is deduced from the dimensions of the contained
%% object (picture or text). If one of these parameters is set to
%% a positive value, then the given value is used, regardless of the
%% size of the contents.
%%
var(numeric) fixedWidth, fixedHeight;
%% Controls how the contents of the picture is to be alligned relatively
%% to the picture margins. Can be one of "left", "centered", defaults to
%% "left". The "centered" setting is useful for Picture-s whose fixedWidth
%% is set to a given value.
%%
var(string) halign, valign;
@#boxed := 0;
@#borderColor := blue;
@#ignoreNegativeBase := 0;
@#fixedWidth := -1;
@#fixedHeight := -1;
@#halign := "left";
@#valign := "bottom";
Margins.@#(pleft, pright, ptop, pbottom);
FontInfoCopy.@#iFont(pfont);
enddef;
vardef PictureInfoCopy@#(text src)=
PictureInfo@#(src.left, src.right, src.top, src.bottom)(src.iFont);
@#boxed := src.boxed;
@#borderColor := src.borderColor;
@#ignoreNegativeBase := src.ignoreNegativeBase;
@#fixedWidth := src.fixedWidth;
@#fixedHeight := src.fixedHeight;
@#halign := src.halign;
@#valign := src.valign;
enddef;
vardef PictureInfo_toString@#=
save ret; string ret;
ret := "PictureInfo(" & (str @#) & "): {" & (decimal @#left) & ", " & (decimal @#right) & ", " & (decimal @#top) & ", " & (decimal @#bottom) & "}" & " boxed: " & (decimal @#boxed);
ret := ret & " Font: " & toString(@#iFont);
ret
enddef;
PictureInfo.iPict(2, 2, 2, 2)(iFont);
PictureInfoCopy.iPictBoxed(iPict);
iPictBoxed.boxed := 1;
%%
%% Contructs a Picture object by wrapping around the
%% low-level picture thePict.
%%
vardef EPicture@#(text iPict)(expr thePict) =
ObjectEquations(@#);
@#className := "Picture";
var(pair) contentShift;
var(picture) pict;
var(numeric) negativeBase;
var(string) contentAsString;
var(picture) contentAsPicture;
PictureInfoCopy.@#info(iPict);
if string thePict:
log "Picture " & (str @#) & " is a text";
@#contentAsString := thePict;
log @#contentAsString;
elseif picture thePict:
log "Picture " & (str @#) & " is a native pict";
@#contentAsPicture := thePict;
log @#contentAsPicture;
else:
log "Picture " & (str @#) & " [error]";
fi;
enddef;
%%
%% Contructs a Picture object by wrapping around the
%% low-level picture thePict.
%%
vardef Picture@#(expr thePict) =
EPicture@#(iPict)(thePict);
enddef;
%%
%% Lays out the Picture.
%%
vardef Picture_layout@# =
if @#layedout = 1:
log "Picture " & str @# & " already layed out.";
else:
log "Laying out " & (str @#);
@#layedout := 1;
if known @#contentAsPicture:
log "Content is known to be a picture";
@#pict = @#contentAsPicture;
elseif known @#contentAsString:
log "Content is known to be a string: " & @#contentAsString;
@#pict = @#contentAsString infont @#info.iFont.name scaled @#info.iFont.scale;
else:
log "Show unknown parameter type in picture layout";
2 = 3; % force an error
fi;
@#negativeBase = ypart llcorner @#pict;
if @#info.ignoreNegativeBase = 0:
negativeBaseAdjustement__ := 0;
else:
negativeBaseAdjustement__ := @#negativeBase;
fi;
if @#info.fixedWidth = -1:
@#width = pictWidth(@#pict) + @#info.left + @#info.right;
else:
@#width = @#info.fixedWidth;
fi;
if @#info.fixedHeight = -1:
@#height = pictHeight(@#pict) + @#info.top + @#info.bottom + negativeBaseAdjustement__;
else:
@#height = @#info.fixedHeight;
fi;
if @#info.halign = "left":
xdelta__ := @#info.left;
elseif @#info.halign = "center":
xdelta__ := (@#width-pictWidth(@#pict))/2;
else:
2 = 3; % throw exception illegal value for @#info.hallign
fi;
if @#info.valign = "bottom":
ydelta__ := @#info.bottom - @#negativeBase + negativeBaseAdjustement__;
elseif @#info.valign = "center":
ydelta__ := (@#height-pictHeight(@#pict))/2 - @#negativeBase + negativeBaseAdjustement__;
else:
2 = 3; % throw exception illegal value for @#info.vallign
fi;
@#contentShift = @#sw + (xdelta__, ydelta__);
fi;
enddef;
%%
%% Draws the Picture.
%%
vardef Picture_draw@# =
Picture_layout@#;
objectEnsurePositioning.@#;
draw @#pict shifted @#contentShift;
if (@#info.boxed = 1):
draw objectBox(@#) withcolor @#info.borderColor;
fi;
enddef;
vardef Picture_border@#=
objectBox(@#)
enddef;
vardef aitem(text pictInfo)(text thePict)(text equation)=
save obj;
EPicture.obj(pictInfo)(thePict);
equation;
drawObject(obj);
enddef;
vardef item@#(text iPict)(text thePict)(text equation)=
save itemName;
string itemName;
itemName := str @#;
log "Creating an item with name: '" & itemName & "'";
if itemName = "":
log "Name is empty, creating an anonymous item!";
aitem(iPict)(thePict)(equation);
else:
EPicture@#(iPict)(thePict);
equation;
drawObject(@#);
fi;
enddef;
|