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  • Committer: Bazaar Package Importer
  • Author(s): Dirk Eddelbuettel
  • Date: 2010-11-03 11:35:46 UTC
  • mfrom: (1.3.7 upstream)
  • Revision ID: james.westby@ubuntu.com-20101103113546-a7fi7jdxdebp0tw1
Tags: 2.20.1-1
* New upstream release

* debian/control: Set (Build-)Depends: to current R version
* debian/control: Set Standards-Version: to current version 

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man/cairoFormatStrideForWidth.Rd
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within cairo. Typical usage will be of the form:}
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\usage{cairoFormatStrideForWidth(format, width)}
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\arguments{
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\item{\verb{format}}{[\verb{\link{CairoFormat}}]  A \verb{\link{CairoFormat}} value}
 
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\item{\verb{format}}{[\code{\link{CairoFormat}}]  A \code{\link{CairoFormat}} value}
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\item{\verb{width}}{[integer]  The desired width of an image surface to be created.}
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}
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\details{\preformatted{int stride;
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unsigned char *data;
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  cairo_surface_t   *surface;
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stride = cairo_format_stride_for_width (format, width);
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data = malloc (stride * height);
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surface = cairo_image_surface_create_for_data (data, format,
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                                          width, height);
 
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\details{\preformatted{
 
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stride <- format$strideForWidth(width)
 
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data <- raw(stride * height)
 
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surface <- cairoImageSurfaceCreateForData(data, format, width, height, stride)
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}  
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  Since  1.6}
 
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  Since 1.6}
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\value{[integer]  the appropriate stride to use given the desired
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format and width.}
 
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format and width, or -1 if either the format is invalid or the width
 
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too large.}
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\author{Derived by RGtkGen from GTK+ documentation}
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\keyword{internal}