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version 1.12, 1997/03/26 14:43:20 version 1.13, 1997/03/28 19:21:31
Line 12 Line 12
   
 <H4>Translated from French by Ethan Munson</H4>  <H4>Translated from French by Ethan Munson</H4>
   
 <H4>Version of March 26, 1997</H4>  <H4>Version of March 28, 1997</H4>
   
 <P>&copy; 1996 INRIA  <P>&copy; 1996 INRIA
   
Line 144 Line 144
       <LI><SMALL><A href="#sectd42253">Underlining</A></SMALL>        <LI><SMALL><A href="#sectd42253">Underlining</A></SMALL>
       </UL>        </UL>
     <LI><A href="#sectc4226">Stacking order</A>      <LI><A href="#sectc4226">Stacking order</A>
     <LI><A href="#sectc4227">Line Style</A>      <LI><A href="#sectc4227">Line style</A>
     <LI><A href="#sectc4228">Line thickness</A>      <LI><A href="#sectc4228">Line thickness</A>
     <LI><A href="#sectc4229">Fill pattern</A>      <LI><A href="#sectc4229">Fill pattern</A>
     <LI><A href="#sectc4230">Colors</A>      <LI><A href="#sectc4230">Colors</A>
       <LI><A href="#sectc4230a">Background color and border</A>
       <LI><A href="#sectc4230b">Background pictures</A>
     <LI><A href="#sectc4231">Presentation box content</A>      <LI><A href="#sectc4231">Presentation box content</A>
     <LI><A href="#sectc4232">Presentation box creation</A>      <LI><A href="#sectc4232">Presentation box creation</A>
     <LI><A href="#sectc4233">Page layout</A>      <LI><A href="#sectc4233">Page layout</A>
Line 1978  exceptions are indicated by a name.  The Line 1980  exceptions are indicated by a name.  The
      ExcValue      ='NoCut' / 'NoCreate' /       ExcValue      ='NoCut' / 'NoCreate' /
                     'NoHMove' / 'NoVMove' / 'NoMove' /                      'NoHMove' / 'NoVMove' / 'NoMove' /
                     'NoHResize' / 'NoVResize' / 'NoResize' /                      'NoHResize' / 'NoVResize' / 'NoResize' /
                       'MoveResize' /
                     'NewWidth' / 'NewHeight' /                      'NewWidth' / 'NewHeight' /
                     'NewHPos' / 'NewVPos' /                      'NewHPos' / 'NewVPos' /
                     'Invisible' / 'NoSelect' /                      'Invisible' / 'NoSelect' /
Line 1992  The following are the available exceptio Line 1995  The following are the available exceptio
 <DL>  <DL>
 <DT><TT>NoCut</TT></DT>  <DT><TT>NoCut</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be destroyed by the editor.  which this exception is applied cannot be deleted by the editor.
 </DD>  </DD>
 <DT><TT>NoCreate</TT></DT>  <DT><TT>NoCreate</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be created by ordinary commands for  which this exception is applied cannot be created by ordinary commands for
 creating new elements.  These elements are usually created by special actions  creating new elements.  These elements are usually created by special actions
 associated with otherexceptions.  associated with other exceptions.
 </DD>  </DD>
 <DT><TT>NoHMove</TT></DT>  <DT><TT>NoHMove</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be moved horizontally with the mouse.  which this exception is applied cannot be moved horizontally with the
   mouse.  Their children elements cannot be moved either.
 </DD>  </DD>
 <DT><TT>NoVMove</TT></DT>  <DT><TT>NoVMove</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be moved vertically with the mouse.  which this exception is applied cannot be moved vertically with the
   mouse.  Their children elements cannot be moved either.
 </DD>  </DD>
 <DT><TT>NoMove</TT></DT>  <DT><TT>NoMove</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be moved in any direction with the  which this exception is applied cannot be moved in any direction with the
 mouse.  mouse.  Their children elements cannot be moved either.
 </DD>  </DD>
 <DT><TT>NoHResize</TT></DT>  <DT><TT>NoHResize</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be resized horizontally with the mouse.  which this exception is applied cannot be resized horizontally with the
   mouse.  Their children elements cannot be resized either.
 </DD>  </DD>
 <DT><TT>NoVResize</TT></DT>  <DT><TT>NoVResize</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be resized vertically with the mouse.  which this exception is applied cannot be resized vertically with the
   mouse.  Their children elements cannot be resized either.
 </DD>  </DD>
 <DT><TT>NoResize</TT></DT>  <DT><TT>NoResize</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
 which this exception is applied cannot be resized in any direction with the  which this exception is applied cannot be resized in any direction with the
 mouse.  mouse.  Their children elements cannot be resized either.
   </DD>
   <DT><TT>MoveResize</TT></DT>
   <DD>This exception can only be applied to element types.  Elements of a type to
   which this exception is applied can be moved and resized in any direction
   with the mouse, even if one of their ancestor element has an exception that
   prevents moving or resizing.  Their children elements can also be resized or
   moved.
 </DD>  </DD>
 <DT><TT>NoSelect</TT></DT>  <DT><TT>NoSelect</TT></DT>
 <DD>This exception can only be applied to element types.  Elements of a type to  <DD>This exception can only be applied to element types.  Elements of a type to
Line 2450  well as for the objects which they conta Line 2464  well as for the objects which they conta
 <P>  <P>
 Corresponding to each element of the document is a box,  which is the  Corresponding to each element of the document is a box,  which is the
 rectangle enclosing the element on the display device (screen or sheet of  rectangle enclosing the element on the display device (screen or sheet of
 paper);  the outline of this rectangle is normally not visible. The sides of  paper);  the outline of this rectangle is not visible, except when a
   <A href="#sectc4230a"><TT>ShowBox</TT> rule</A> applies to the element. The
   sides of
 the box are parallel to the sides of the screen or the sheet of paper.  By way  the box are parallel to the sides of the screen or the sheet of paper.  By way
 of example, a box is associated with a character string, a line of text, a  of example, a box is associated with a character string, a line of text, a
 page, a paragraph, a title, a mathematical formula, or a table cell.</P>  page, a paragraph, a title, a mathematical formula, or a table cell.</P>
Line 4144  are displayed or printed, Line 4160  are displayed or printed,
 <LI>for presentation boxes only, the contents of the box.  <LI>for presentation boxes only, the contents of the box.
 </UL>  </UL>
 <P>  <P>
 The <A name="presfunct">presentation functions</A>are:</P>  The <A name="presfunct">presentation functions</A> are:</P>
 <UL>  <UL>
 <LI>the creation of a presentation box  <LI>the creation of a presentation box
 <LI>the line-breaking or page-breaking style,  <LI>the line-breaking or page-breaking style,
 <LI>the copying of another box.  <LI>the copying of another box,
   <LI>the display of the box background and border,
   <LI>the display of a background picture and its aspect.
 </UL>  </UL>
 <P>  <P>
 For each box and each view, every presentation parameter is defined once and  For each box and each view, every presentation parameter is defined once and
Line 4159  many presentation boxes.  Another elemen Line 4177  many presentation boxes.  Another elemen
 functions.</P>  functions.</P>
 <P>  <P>
 Each rule defining a presentation parameter begins with a keyword followed by  Each rule defining a presentation parameter begins with a keyword followed by
 a colon. the keyword indicates the parameter which is the subject of the rule.  a colon.  The keyword indicates the parameter which is the subject of the rule.
 After the keyword and the colon, the remainder of the rule varies.  All rules  After the keyword and the colon, the remainder of the rule varies.  All rules
 are terminated by a semicolon.</P>  are terminated by a semicolon.</P>
 <PRE>  <PRE>
Line 4194  are terminated by a semicolon.</P> Line 4212  are terminated by a semicolon.</P>
                 'LineWeight' ':'    DistanceInherit /                  'LineWeight' ':'    DistanceInherit /
                 'FillPattern' ':'   NameInherit /                  'FillPattern' ':'   NameInherit /
                 'Background' ':'    NameInherit /                  'Background' ':'    NameInherit /
                 'Foreground' ':'    NameInherit .                  'Foreground' ':'    NameInherit /
                 'Content' ':'       VarConst .                  'Content' ':'       VarConst .
      PresFunc = Creation '(' BoxID ')' /       PresFunc = Creation '(' BoxID ')' /
                 'Line' /                  'Line' /
                 'NoLine' /                  'NoLine' /
                 'Page' '(' BoxID ')' /                  'Page' '(' BoxID ')' /
                 'Copy' '(' BoxTypeToCopy ')' .                  'Copy' '(' BoxTypeToCopy ')' /
                   'ShowBox' /
                   'BackgroundPicture' ':' FileName /
                   'PictureMode' ':'   PictMode /
 </PRE>  </PRE>
 </DIV>  </DIV>
   
Line 5550  the reverse).</P> Line 5571  the reverse).</P>
 </DIV>  </DIV>
   
 <DIV class="subsection">  <DIV class="subsection">
 <H3><A name=sectc4227>Line Style</A></H3>  <H3><A name=sectc4227>Line style</A></H3>
   
 <P>  <P>
 The <TT>LineStyle</TT> rule determines the style of line which should be used  The <TT>LineStyle</TT> rule determines the style of line which should be used
 to draw all the elements contained in the box.  The line style can be  to draw all the elements contained in the box and the box itself, if it has
   a <A href="#sectc4230a"><TT>ShowBox</TT> rule</A>.  The line style can be
 indicated by a name (<TT>Solid</TT>, <TT>Dashed</TT>, <TT>Dotted</TT>) or it  indicated by a name (<TT>Solid</TT>, <TT>Dashed</TT>, <TT>Dotted</TT>) or it
 can be inherited.  Only elements of the graphic base type are affected by this  can be inherited.  All elements of the graphic base type are affected by this
 rule, but it can be attached to any box and transmitted by inheritance to the  rule, but it can be attached to any box and transmitted by inheritance to the
 graphic elements.</P>  graphic elements.  The border of elements having a
 <P>  <A href="#sectc4230a"><TT>ShowBox</TT> rule</A>
   is drawn according to the line style specified by this rule.<P>
 Only identical inheritance is allowed: the box takes the same line style as  Only identical inheritance is allowed: the box takes the same line style as
 the box from which it inherits.  This is indicated by an equals sign after the  the box from which it inherits.  This is indicated by an equals sign after the
 kinship specification.</P>  kinship specification.</P>
Line 5601  in the same way as <A href="#sectd42221" Line 5624  in the same way as <A href="#sectd42221"
                  'LineWeight' ':' DistOrInherit                   'LineWeight' ':' DistOrInherit
 </PRE>  </PRE>
 <P>  <P>
 Only elements of the graphic base type are affected by this rule, but it can  All elements of the graphic base type are affected by this rule, but it can
 be attached to any box and transmitted by inheritance to the graphic  be attached to any box and transmitted by inheritance to the graphic
 elements.</P>  elements. The border of element having a <A href="#sectc4230a"><TT>ShowBox</TT>
   rule</A> is also drawn according to the thickness specified by this rule.</P>
 <BLOCKQUOTE class="example">  <BLOCKQUOTE class="example">
 <P>  <P>
 <STRONG>Example:</STRONG></P>  <STRONG>Example:</STRONG></P>
Line 5628  and the elements composing figures are g Line 5652  and the elements composing figures are g
 <P>  <P>
 The <TT>FillPattern</TT> rule determines the pattern used to fill closed  The <TT>FillPattern</TT> rule determines the pattern used to fill closed
 graphical elements (circles, rectangles, etc.) which appear in the box.  This  graphical elements (circles, rectangles, etc.) which appear in the box.  This
   rule also specifies the pattern used to fill the box associated with
   elements having a <A href="#sectc4230a"><TT>ShowBox</TT> rule<A>.  This
 pattern can be indicated by a named constant or by inheritance.  The named  pattern can be indicated by a named constant or by inheritance.  The named
 constant identifies one of the patterns available in Thot.  The names of the  constant identifies one of the patterns available in Thot.  The names of the
 available patterns are: nopattern, foregroundcolor, backgroundcolor, gray1,  available patterns are: nopattern, foregroundcolor, backgroundcolor, gray1,
Line 5679  and the elements composing figures are g Line 5705  and the elements composing figures are g
   
 <P>  <P>
 The <TT>Foreground</TT> and <TT>Background</TT> rules determine the foreground  The <TT>Foreground</TT> and <TT>Background</TT> rules determine the foreground
 and background colors of the base elements which appear in the box. These  and background colors of the base elements which appear in the box. They also
 colors cancan be specified with a named constant or by inheritance. The named  control the color of boxes associated with elements having a
   <A href="#sectc4230a"><TT>ShowBox</TT> rule</A>.  These
   colors can be specified with a named constant or by inheritance.  The named
 constants specify one of the available colors in Thot.  The available color  constants specify one of the available colors in Thot.  The available color
 names can be found in the file <TT>thot.color</TT>.</P>  names can be found in the file <TT>thot.color</TT>.</P>
 <P>  <P>
 In contrast to the preceding rules, the color rules affect all base elements  The color rules affect the same way all base elements and elements having a
 the same way, no matter what their type (text, graphics, pictures, symbols),  <A href="#sectc4230a"><TT>ShowBox</TT> rule</A>,
 but they only affect base elements.  The color rules can nevertheless be  no matter what their type (text, graphics, pictures,
 associated with any box and can be transmitted to the base elements by  symbols).  The color rules can be associated with any box and can be
 inheritance.  Like the preceding rules, only inheritance of the same value is  transmitted by inheritance to the base elements or the elements having
 allowed.</P>  a <A href="#sectc4230a"><TT>ShowBox</TT> rule</A>.  Like the preceding rules,
   only inheritance of the same value is allowed.</P>
 <PRE>  <PRE>
                  'Foreground' ':' NameInherit                   'Foreground' ':' NameInherit
                  'Background' ':' NameInherit                   'Background' ':' NameInherit
Line 5722  and the elements composing figures are g Line 5751  and the elements composing figures are g
 </DIV>  </DIV>
   
 <DIV class="subsection">  <DIV class="subsection">
   <H3><A name=sectc4230a>Background color and border</A></H3>
   
   <P>
   Boxes associated with structural elements are normally not visible, but it
   is possible to draw their border and/or to paint their area when it is needed.
   This is achieved by associating the <TT>ShowBox</TT> rule with the concerned
   element.  This rule has no parameter and no value. It is simply written
   <TT>Showbox;</TT>. It is not inherited nor transmitted to any other element.
   It applies only to the element with which it is associated.</P>
   <PRE>
                    'ShowBox'
   </PRE>
   <P>
   When an element has a <TT>ShowBox</TT> rule, the border is drawn only if
   the <TT>LineWeight</TT> rule that applies to that element has a non-zero
   value (this value can be inherited).  The color, style and thickness of the
   border are defined by the <TT>Foreground</TT>, <TT>LineStyle</TT>, and
   <TT>LineWeight</TT> rules that apply to the element.</P>
   <P>
   When an element has a <TT>ShowBox</TT> rule, the background of this element
   is paint only if the value of the <TT>FillPattern</TT> rule that applies to
   that element is not <TT>nopattern</TT>.  The pattern and color(s) of the
   background are defined by the <TT>FillPattern</TT>, <TT>Background</TT>, and
   <TT>Foreground</TT> rules that apply to the element.</P>
   </DIV>
   
   <DIV class="subsection">
   <H3><A name=sectc4230b>Background pictures</A></H3>
   
   <P>
   The <TT>BackgroundPicture</TT> rule allows to display a picture as the
   background of an element.  It has a single parameter, the file name of the
   picture.  This is a string delimited by single quotes.  If the first
   character in this string is '/', it is considered as an absolute path,
   otherwise the file is searched for along the schema directory
   path.  This file may contain a picture in any format accepted by
   Thot (xbm, xpm, gif, jpeg, png, etc.)</P>
   <P>
   The <TT>BackgroundPicture</TT> and <TT>PictureMode</TT> rules apply only to
   the element with which they are associated.  They are not inherited nor
   transmitted to children elements.</P>
   <P>
   The background picture has not always the same size as the element's box.
   There are diffrent ways to fill the element box with the picture.  This is
   specified by the <TT>PictureMode</TT> rule, which should be associated to
   the same element.  This rule may take one of the following values:</P>
   <DL>
   <DT><TT>NormalSize</TT>
   <DD>The picture is centered in the box, and clipped if it is too large.
   
   <DT><TT>Scale</TT>
   <DD>The picture is zoomed to fit the box size.
   
   <DT><TT>RepeatX</TT>
   <DD>The picture is repeated horizontally to fit the box width.
   
   <DT><TT>RepeatY</TT>
   <DD>The picture is repeated vertically to fit the box height.
   
   <DT><TT>RepeatXY</TT>
   <DD>The picture is repeated both horizontally and vertically to fill the box.
   </DL>
   <P>
   If an element has a <TT>BackgroundPicture</TT> rule and no <TT>PictureMode</TT>
   rule, the <TT>NormalSize</TT> value is assumed.</P>
   <PRE>
                    'BackgroundPicture' ':' FileName /
                    'PictureMode' ':' PictMode .
    
         FileName = STRING .
         PictMode = 'NormalSize' / 'Scale' / 'RepeatXY' / 'RepeatX' / 'RepeatY' .
   </PRE>
   <P>
   The <TT>BackgroundPicture</TT> and <TT>PictureMode</TT> rules apply only to
   the element with which they are associated.  They are not inherited nor
   transmitted to children elements.</P>
   </DIV>
   
   <DIV class="subsection">
 <H3><A name=sectc4231>Presentation box content</A></H3>  <H3><A name=sectc4231>Presentation box content</A></H3>
   
 <P>  <P>
Line 8205  ExcValSeq      = ExcValue &lt; ',' ExcVa Line 8313  ExcValSeq      = ExcValue &lt; ',' ExcVa
 ExcValue       = 'NoCut' / 'NoCreate' /  ExcValue       = 'NoCut' / 'NoCreate' /
                  'NoHMove' / 'NoVMove' / 'NoMove' /                   'NoHMove' / 'NoVMove' / 'NoMove' /
                  'NoHResize' / 'NoVResize' / 'NoResize' /                   'NoHResize' / 'NoVResize' / 'NoResize' /
                    'MoveResize' /
                  'NewWidth' / 'NewHeight' /                   'NewWidth' / 'NewHeight' /
                  'NewHPos' / 'NewVPos' /                   'NewHPos' / 'NewVPos' /
                  'Invisible' / 'NoSelect' /                   'Invisible' / 'NoSelect' /
Line 8399  PresParam       = 'VertRef' ':' HorizPos Line 8508  PresParam       = 'VertRef' ':' HorizPos
                   'LineWeight' ':' DistOrInherit /                    'LineWeight' ':' DistOrInherit /
                   'FillPattern' ':' NameInherit /                    'FillPattern' ':' NameInherit /
                   'Background' ':' NameInherit /                    'Background' ':' NameInherit /
                   'Foreground' ':' NameInherit .                    'Foreground' ':' NameInherit /
                   'Content' ':' VarConst .                    'Content' ':' VarConst .
 PresFunc        = Creation '(' BoxID ')' /  PresFunc        = Creation '(' BoxID ')' /
                   'Line' /                    'Line' /
                   'NoLine' /                    'NoLine' /
                   'Page' '(' BoxID ')' /                    'Page' '(' BoxID ')' /
                   'Copy' '(' BoxTypeToCopy ')' .                    'Copy' '(' BoxTypeToCopy ')' /
                     'ShowBox' /
                     'BackgroundPicture' ':' FileName /
                     'PictureMode' ':' PictMode .
   
 BoxTypeToCopy   = BoxID [ ExtStruct ] /  BoxTypeToCopy   = BoxID [ ExtStruct ] /
                    ElemID [ ExtStruct ] .                     ElemID [ ExtStruct ] .
Line 8507  UnderLineInherit= Kinship '=' / Line 8619  UnderLineInherit= Kinship '=' /
                   'Overlined' / 'CrossedOut' .                    'Overlined' / 'CrossedOut' .
 ThicknessInherit= Kinship '=' / 'Thick' / 'Thin' .  ThicknessInherit= Kinship '=' / 'Thick' / 'Thin' .
   
   FileName =        STRING .
   PictMode =        'NormalSize' / 'Scale' /
                     'RepeatXY' / 'RepeatX' / 'RepeatY' .
   
 VarConst        = ConstID / ConstType ConstValue /  VarConst        = ConstID / ConstType ConstValue /
                   VarID / '(' FunctionSeq ')' /                    VarID / '(' FunctionSeq ')' /
                   ElemID .                    ElemID .
Removed from v.1.12  
changed lines
  Added in v.1.13

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