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1 %% xypdf-f.tex from $Id: xypdf-f.doc,v $ |
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2 %% |
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3 %% Xy-pic ``Frame extension'' PDF backend support. |
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4 %% Copyright (c) 1999-1999 Ross Moore <ross@mpce.mq.edu.au> |
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5 %% |
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6 %% This file is part of the Xy-pic package for graphs and diagrams in TeX. |
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7 %% See the companion README and INSTALL files for further information. |
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8 %% Copyright (c) 1991-1999 Kristoffer H. Rose <krisrose@brics.dk> |
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9 %% |
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10 %% The Xy-pic package is free software; you can redistribute it and/or modify |
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11 %% it under the terms of the GNU General Public License as published by the |
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12 %% Free Software Foundation; either version 2 of the License, or (at your |
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13 %% option) any later version. |
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14 %% |
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15 %% The Xy-pic package is distributed in the hope that it will be useful, but |
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16 %% WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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17 %% or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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18 %% for more details. |
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19 %% |
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20 %% You should have received a copy of the GNU General Public License along |
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21 %% with this package; if not, write to the Free Software Foundation, Inc., |
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22 %% 675 Mass Ave, Cambridge, MA 02139, USA. |
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23 %% |
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24 %% As a special exception, you may use this file and all files derived |
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25 %% from it without restrictions. This special exception was added with |
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26 %% version 3.7 of Xy-pic. |
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27 %% |
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28 \expandafter\ifx\csname xypdf-floaded\endcsname\empty |
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29 \message{not reloaded}\endinput \fi |
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30 \expandafter\let\csname xypdf-floaded\endcsname=\empty \xycatcodes |
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31 \xydef@\installPDFframes@{% |
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32 \let\framed@body@@=\xyPDFframed@body@ |
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33 \let\circled@x@@=\xyPDFcircled@x@ |
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34 \let\ellipsed@x@@=\xyPDFellipsed@x@ |
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35 \installPDFfills@ |
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36 \xyuncatcodes} |
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37 \xydef@\UsePDFframes{\installPDFframes@} |
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38 \xydef@\NoPDFframes{\UnloadFrames@} |
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39 \xydef@\xyPDFframed@body@{\DN@{\framed@body@}% |
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40 \ifx\framehfill\frm@solidh@@ |
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41 \DN@{\xyPDFframed@oval@\xyPDFoval@Special}% |
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42 \else\ifdim\R@=\z@\else |
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43 \ifx\framehfill\frm@dashh@@ |
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44 \DN@{\xyPDFframed@oval@\xyPDFdashoval@Special}% |
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45 \else\ifx\framehfill\frm@doth@@ |
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46 \DN@{\xyPDFframed@oval@\xyPDFdotoval@Special}% |
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47 \fi\fi |
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48 \fi\fi \next@ } |
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49 \xydef@\xyPDFframed@oval@#1{\vglue\U@c |
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50 \hbox{\hglue\L@c\xypdfoval@#1\hglue\R@c}\vglue\D@c} |
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51 \xydef@\xyPDFcircled@x@{\DN@{\xyPDFcircled@x@@\xyPDFcirc@Special}% |
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52 \ifx\framehfill\frm@doth@@ |
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53 \DN@{\xyPDFcircled@x@@\xyPDFdotcirc@Special}% |
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54 \else\ifx\framehfill\frm@dashh@@ |
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55 \DN@{\xyPDFcircled@x@@\xyPDFdashcirc@Special}% |
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56 \fi\fi \next@ } |
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57 \xydef@\xyPDFcircled@x@@#1{\vglue2\R@ |
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58 \hbox{\hglue2\R@\xypdfcircle@#1\hglue2\R@}% |
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59 \vglue2\R@} |
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60 \xydef@\xyPDFellipsed@x@#1#2{% |
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61 \DN@{\xyPDFellipsed@x@@\xyPDFcirc@Special}% |
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62 \ifx\framehfill\frm@doth@@ |
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63 \DN@{\xyPDFellipsed@x@@\xyPDFdotcirc@Special}% |
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64 \else\ifx\framehfill\frm@dashh@@ |
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65 \DN@{\xyPDFellipsed@x@@\xyPDFdashcirc@Special}% |
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66 \fi\fi \next@{#1}{#2}} |
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67 \xydef@\xyPDFellipsed@x@@#1#2#3{\vglue #3\vglue #3\relax |
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68 \hbox{\L@c = #2\relax \R@c=\L@c \D@c = #3\relax \U@c=\D@c |
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69 \hglue#2\hglue#2\relax\xypdfellipse@#1\hglue#2\hglue#2\relax}% |
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70 \vglue #3\vglue #3\relax} |
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71 \xydef@\xyPDFdashhfill@{{\SemiDirectionChar=95 \Direction=3072 \xyPDFdash@}} |
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72 \xydef@\xyPDFdashvfill@{{\SemiDirection=31 \Direction=1023 \xyPDFdash@}} |
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73 \xydef@\xypdfoval@#1{% |
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74 \dimen@=\L@c \advance\dimen@\R@c |
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75 \dimen@ii=\U@c \advance\dimen@ii\D@c |
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76 \ifdim\dimen@ii<\dimen@ \relax \dimen@=\dimen@ii\fi \divide\dimen@\tw@ |
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77 \ifdim\R@>\dimen@ \relax \R@=\dimen@ \fi |
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78 \D@c=-\D@c \L@c=-\L@c |
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79 \edef\tmp@{\expandafter\removePT@\the\R@ |
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80 \space\expandafter\removePT@\the\R@c |
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81 \space\expandafter\removePT@\the\D@c |
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82 \space\expandafter\removePT@\the\L@c |
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83 \space\expandafter\removePT@\the\U@c }% |
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84 \expandafter#1\expandafter{\tmp@}} |
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85 \xydef@\xypdfcircle@#1{\dimen@=\R@ |
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86 \edef\tmp@{\expandafter\removePT@\the\dimen@}% |
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87 \expandafter#1\expandafter{\tmp@}} |
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88 \xydef@\xypdfellipse@#1{\edef\tmp@{% |
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89 \expandafter\removePT@\the\U@c \space |
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90 \expandafter\removePT@\the\D@c \space |
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91 \expandafter\removePT@\the\L@c \space |
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92 \expandafter\removePT@\the\R@c }% |
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93 \expandafter#1\expandafter{\tmp@}} |
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94 \xydef@\xyPDFoval@Special#1{\PDFmacro@{#1 ov}}%%%%<<<---- here |
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95 \xydef@\xyPDFcirc@Special#1{\PDFmacro@{#1 ox}}%%%%<<<---- here |
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96 \xydef@\xyPDFdotcirc@Special#1{\PDFmacro@{#1 ot}}%%%%<<<---- here |
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97 \xydef@\xyPDFdashcirc@Special#1{\PDFmacro@{#1 od}}%%%%<<<---- here |
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98 \xydef@\xyPDFdotoval@Special#1{\PDFmacro@{#1 vt}}%%%%<<<---- here |
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99 \xydef@\xyPDFdashoval@Special#1{\PDFmacro@{#1 vd}}%%%%<<<---- here |
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100 \xydef@\xyPDFfilledRegion#1#2{\setboxz@h{\lower\D@c\vbox{% |
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101 \vglue\U@c\hbox{#1#2\empty\hglue\L@c\hglue\R@c}\vglue\D@c}}% |
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102 \ht\z@=\z@ \dp\z@=\z@ \wd\z@=\z@ \boxz@} |
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103 \xydef@\filledRectangle@PDF{% |
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104 \xyPDFfilledRegion{\xypdfoval@\xyPDFfilloval@Special}} |
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105 \xydef@\filledCircle@PDF#1{{\R@c=\R@ \L@c=\R@ \U@c=\R@ \D@c=\R@ |
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106 \xyPDFfilledRegion{\xypdfcircle@\xyPDFfillcirc@Special}#1}} |
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107 \xydef@\filledEllipse@PDF{% |
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108 \xyPDFfilledRegion{\xypdfellipse@\xyPDFfillellipse@Special}} |
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109 \xydef@\filledOval@PDF{% |
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110 \xyPDFfilledRegion{\xypdfoval@\xyPDFfilloval@Special}} |
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111 \xydef@\frame@emph@PDF#1{\filled@{#1}\relax} |
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112 \xydef@\installPDFfills@{% |
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113 \let\frame@emph@@=\frame@emph@PDF |
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114 \let\filledRectangle@@=\filledRectangle@PDF |
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115 \let\filledOval@@=\filledOval@PDF |
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116 \let\filledCircle@@=\filledCircle@PDF |
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117 \let\filledEllipse@@=\filledEllipse@PDF |
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118 } |
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119 \xydef@\xyPDFfilloval@Special#1#2{% |
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120 \ifx#2\relax\PDFmacro@{#1 sfo}%%%%%<<<---- here |
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121 \else\PDFmacro@{#1 fo}\fi}%%%%<<<---- here |
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122 \xydef@\xyPDFfillcirc@Special#1#2{% |
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123 \ifx#2\relax\PDFmacro@{#1 sfc}%%%%%<<<---- here |
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124 \else\PDFmacro@{#1 fc}\fi}%%%%<<<---- here |
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125 \xydef@\xyPDFfillellipse@Special#1#2{% |
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126 \ifx#2\relax\PDFmacro@{#1 sfe}%%%%%<<<---- here |
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127 \else\PDFmacro@{#1 fe}\fi}%%%%<<<---- here |
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128 \endinput |