add C API and docs for popplerload
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@ -2,7 +2,7 @@
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- add vips_reduce*() ... a fast path for bicubic downsize
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- vips_resize() and vips_similarity use it when they can
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- bicubic is better on 32-bit int images
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- add popplerload
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- add popplerload for PDF rendering
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27/1/16 started 8.2.3
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- fix a crash with SPARC byte-order labq vips images
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@ -2846,3 +2846,40 @@ vips_matload( const char *filename, VipsImage **out, ... )
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return( result );
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}
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/**
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* vips_popplerload:
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* @filename: file to load
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* @out: output image
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @page: %gint, load this page, numbered from zero
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* @dpi: %gdouble, render at this DPI
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*
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* Render a PDF file into a VIPS image.
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*
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* Use @page to select a page to render, numbering from zero.
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*
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* Use @dpi to set the rendering resolution. The default is 72.
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*
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* This function only reads the image header and does not render any pixel
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* data. Rendering only occurs when pixels are accessed.
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*
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* See also: vips_image_new_from_file().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_popplerload( const char *filename, VipsImage **out, ... )
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{
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va_list ap;
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int result;
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va_start( ap, out );
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result = vips_call_split( "popplerload", ap, filename, out );
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va_end( ap );
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return( result );
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}
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@ -490,6 +490,9 @@ int vips_radload( const char *filename, VipsImage **out, ... )
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int vips_radsave( VipsImage *in, const char *filename, ... )
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__attribute__((sentinel));
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int vips_popplerload( const char *filename, VipsImage **out, ... )
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__attribute__((sentinel));
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/**
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* VipsForeignDzLayout:
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* @VIPS_FOREIGN_DZ_LAYOUT_DZ: use DeepZoom directory layout
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