Style Definitions and Assignments
Utility functions for declaring and setting styles
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a list of style assignments
a list of style definitions
a logical: should warnings be printed?
There are two main components to specifying output formats: style definitions and style assignments. The definition has the specific components (such as a table cell) and their format values (e.g. boxed with solid black lines). The function
getStyleDefs can fetch the pre-existing styles in the package. These can be modified and new definitions can be added. The function
setStyledefs “registers” the style changes with the package. When
odfWeave is called, these definitions are written to the style sections of the XML files. See the example below.
There is a second mechanism to assign styles to specific output elements. The functions
setStyles can be used to tell
odfWeave which style definition to use for a particular output.
For example, the
output elements control how R code and command–line output look. To change either of these, an existing definition can be assigned to these entries and reset using
setStyles(currentStyles). Unlike the style definitions, the style assignments can be modified throughout the R code.
setImageDefs can be used to
specifiy the type of plot device and it's arguments.
will return a list with elements
a character string for the image type (this is also used to set the file extension). Possible values are "png", "jpeg", "bmp", or "eps" (OpenOffice does not accept pdf or svg graphics)
a character string for the device that should be used to generate the graphics. Some systems may not have png or jpeg devices setup, so
capabilitiesis used to make that determination by default
the height for the image file. For "png", "bmp" and "jpeg" devices, this is in pixels, but for others it is in inches
the height of the image, in inches, as shown in OpenOffice
Since these functions can be called from within code chunks, graphical parameters can be changes during the Sweave process.
The get functions return named lists.
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