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Diffstat (limited to 'docs/examples/keeps_and_breaks/pagelevel4.fo')
| -rw-r--r-- | docs/examples/keeps_and_breaks/pagelevel4.fo | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/docs/examples/keeps_and_breaks/pagelevel4.fo b/docs/examples/keeps_and_breaks/pagelevel4.fo deleted file mode 100644 index cd7f454a9..000000000 --- a/docs/examples/keeps_and_breaks/pagelevel4.fo +++ /dev/null @@ -1,291 +0,0 @@ -<?xml version="1.0" encoding="utf-8"?> - -<!-- -This file addresses breaks in page context, with a -2-column layout. ---> - -<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> - <fo:layout-master-set> - <!-- layout for all pages --> - <fo:simple-page-master master-name="all" - page-height="29.7cm" - page-width="21cm" - margin-top="1cm" - margin-bottom="2cm" - margin-left="2.5cm" - margin-right="2.5cm"> - <fo:region-body - margin-top="3cm" margin-bottom="2cm" - column-count="2" column-gap="0.25in"/> - <fo:region-before extent="3cm"/> - <fo:region-after extent="2cm"/> - </fo:simple-page-master> - </fo:layout-master-set> - - <fo:page-sequence master-reference="all"> - <fo:static-content flow-name="xsl-region-after"> - <fo:block font-size="10pt" text-align="start" - border-style="solid" border-color="blue" border-width="0.5pt" - space-before.optimum="6pt"> - Text excerpt from XSL Candidate Recommendation, 21 Nov 2000. - </fo:block> - </fo:static-content> - - <fo:flow flow-name="xsl-region-body"> - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep and break conditions apply to a class of areas, which are typically -page-reference-areas, column-areas, and line-areas. The appropriate class -for a given condition is referred to as a context and an area in this -class is a context-area. As defined in Section 6.4.1, page-reference-areas -are areas generated by an fo:page-sequence using the specifications in a -fo:page-master, and column-areas are normal-flow-reference-areas generated -from a region-body, or region-reference-areas generated from other types -of region-master. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -A keep or break condition is an open statement about a formatting object -and the tree relationships of the areas it generates with the relevant -context-areas. These tree relationships are defined mainly in terms of -leading or trailing areas. If A is a descendant of P, then A is defined -to be leading in P if A has no preceding sibling which is a normal area, -nor does any of its ancestor areas up to but not including P. Similarly, -A is defined to be trailing in P if A has no following sibling which is -a normal area, nor does any of its ancestor areas up to but not including P. -For any given formatting object, the next formatting object in the flow is -the first formatting object following (in the pre-order traversal order) -which generates and returns normal areas. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Break conditions are either break-before or break-before conditions. -A break-before condition is satisfied if the first area generated and -returned by the formatting object is leading within a context-area. A -break-before condition depends on the next formatting object in the flow; -it is satisfied if either there is no such next formatting object, or -if the first normal area generated and returned by that formatting -object is leading in a context-area. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt" - color="blue" - break-before="even-page"> -This is a block with a <fo:inline font-style="italic">break-before="even-page" -</fo:inline> break condition. This condition is satisfied if the -first normal area generated by this FO is leading in an even-page -context. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Break conditions are imposed by the break-before and break-before -properties. A refined value of page for these traits imposes a break -condition with a context consisting of the page-reference-areas; a -value of even-page or odd-page imposes a break condition with a -context of even-numbered page-reference-areas or odd-numbered page -reference-areas, respectively; a value of column imposes a break -condition with a context of column-areas. A value of auto in a -break-before or break-before trait imposes no break condition. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep conditions are either keep-with-previous, keep-with-next, or -keep-together conditions. A keep-with-previous condition on an -object is satisfied if the first area generated and returned by -the formatting object is not leading within a context-area, or -if there are no preceding areas in a post-order traversal of the -area tree. A keep-with-next condition is satisfied if the last -area generated and returned by the formatting object is not -trailing within a context-area, or if there are no following -areas in a pre-order traversal of the area tree. A keep-together -condition is satisfied if all areas generated and returned by -the formatting object are descendants of a single context-area. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt" - color="blue" - break-before="even-page"> -This is a block with a <fo:inline font-style="italic">break-before="even-page" -</fo:inline> break condition. This condition is satisfied if the -first normal area generated by this FO is leading in an even-page -context. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep conditions are imposed by the "within-page", "within-column", -and "within-line" components of the "keep-with-previous", -"keep-with-next", and "keep-together" properties. The refined value -of each component specifies the strength of the keep condition -imposed, with higher numbers being stronger than lower numbers and -the value always being stronger than all numeric values. A component -with value auto does not impose a keep condition. A "within-page" -component imposes a keep-condition with context consisting of the -page-reference-areas; "within-column", with context consisting of -the column-areas; and "within-line" with context consisting of the -line-areas. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -The area tree is constrained to satisfy all break conditions imposed. -Each keep condition must also be satisfied, except when this would -cause a break condition or a stronger keep condition to fail to be -satisfied. If not all of a set of keep conditions of equal strength -can be satisfied, then some maximal satisfiable subset of conditions -of that strength must be satisfied (together with all break conditions -and maximal subsets of stronger keep conditions, if any). - </fo:block> - - <fo:block span="all"> - <fo:leader leader-pattern="rule" - rule-thickness="2.0pt" - leader-length="14cm" - space-before.optimum="0pt" - space-after.optimum="12pt" - start-indent="1cm" - end-indent="1cm" - background-color="blue" - color="yellow"/> - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep and break conditions apply to a class of areas, which are typically -page-reference-areas, column-areas, and line-areas. The appropriate class -for a given condition is referred to as a context and an area in this -class is a context-area. As defined in Section 6.4.1, page-reference-areas -are areas generated by an fo:page-sequence using the specifications in a -fo:page-master, and column-areas are normal-flow-reference-areas generated -from a region-body, or region-reference-areas generated from other types -of region-master. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -A keep or break condition is an open statement about a formatting object -and the tree relationships of the areas it generates with the relevant -context-areas. These tree relationships are defined mainly in terms of -leading or trailing areas. If A is a descendant of P, then A is defined -to be leading in P if A has no preceding sibling which is a normal area, -nor does any of its ancestor areas up to but not including P. Similarly, -A is defined to be trailing in P if A has no following sibling which is -a normal area, nor does any of its ancestor areas up to but not including P. -For any given formatting object, the next formatting object in the flow is -the first formatting object following (in the pre-order traversal order) -which generates and returns normal areas. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt" - color="blue" - break-before="odd-page"> -This is a block with a <fo:inline font-style="italic">break-before="odd-page" -</fo:inline> break condition. This condition is satisfied if the -first normal area generated by this FO is leading in an odd-page -context. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Break conditions are either break-before or break-before conditions. -A break-before condition is satisfied if the first area generated and -returned by the formatting object is leading within a context-area. A -break-before condition depends on the next formatting object in the flow; -it is satisfied if either there is no such next formatting object, or -if the first normal area generated and returned by that formatting -object is leading in a context-area. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Break conditions are imposed by the break-before and break-before -properties. A refined value of page for these traits imposes a break -condition with a context consisting of the page-reference-areas; a -value of even-page or odd-page imposes a break condition with a -context of even-numbered page-reference-areas or odd-numbered page -reference-areas, respectively; a value of column imposes a break -condition with a context of column-areas. A value of auto in a -break-before or break-before trait imposes no break condition. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep conditions are either keep-with-previous, keep-with-next, or -keep-together conditions. A keep-with-previous condition on an -object is satisfied if the first area generated and returned by -the formatting object is not leading within a context-area, or -if there are no preceding areas in a post-order traversal of the -area tree. A keep-with-next condition is satisfied if the last -area generated and returned by the formatting object is not -trailing within a context-area, or if there are no following -areas in a pre-order traversal of the area tree. A keep-together -condition is satisfied if all areas generated and returned by -the formatting object are descendants of a single context-area. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -Keep conditions are imposed by the "within-page", "within-column", -and "within-line" components of the "keep-with-previous", -"keep-with-next", and "keep-together" properties. The refined value -of each component specifies the strength of the keep condition -imposed, with higher numbers being stronger than lower numbers and -the value always being stronger than all numeric values. A component -with value auto does not impose a keep condition. A "within-page" -component imposes a keep-condition with context consisting of the -page-reference-areas; "within-column", with context consisting of -the column-areas; and "within-line" with context consisting of the -line-areas. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt" - color="blue" - break-before="odd-page"> -This is a block with a <fo:inline font-style="italic">break-before="odd-page" -</fo:inline> break condition. This condition is satisfied if the -first normal area generated by this FO is leading in an odd-page -context. - </fo:block> - - <fo:block - font-size="14pt" font-family="sans-serif" - line-height="18pt" space-after.optimum="15pt"> -The area tree is constrained to satisfy all break conditions imposed. -Each keep condition must also be satisfied, except when this would -cause a break condition or a stronger keep condition to fail to be -satisfied. If not all of a set of keep conditions of equal strength -can be satisfied, then some maximal satisfiable subset of conditions -of that strength must be satisfied (together with all break conditions -and maximal subsets of stronger keep conditions, if any). - </fo:block> - - </fo:flow> - </fo:page-sequence> -</fo:root> - |