1 files changed, 52 insertions, 0 deletions
diff --git a/fedora_business_cards/export.py b/fedora_business_cards/export.py
new file mode 100644
index 0000000..d4b6c37
--- /dev/null
+++ b/fedora_business_cards/export.py
@@ -0,0 +1,52 @@
+###
+# fedora-business-cards - for rendering Fedora contributor business cards
+# Copyright (C) 2008  Ian Weller <ianweller@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+###
+
+"""
+Functions to export cards from SVGs.
+"""
+
+# Thanks much to Jef Spaleta for this code.
+
+import rsvg
+import cairo
+
+if not cairo.HAS_PDF_SURFACE:
+    raise SystemExit('cairo was not compiled with PDF support')
+if not cairo.HAS_PNG_FUNCTIONS:
+    raise SystemExit('cairo was not compiled with PNG support')
+
+
+def svg_to_pdf_png(pdfname, pngname, xmlstring, dpi=300):
+    """
+    Export an SVG to both a PDF and PNG.
+      pngname = location of PNG file to export to
+      pdfname = location of pdf file to export to
+      xmlstring = the SVG XML to export
+      dpi = DPI to export PNG with (default: 300)
+    """
+    svg = rsvg.Handle(data=xmlstring)
+    pdffile = file(pdfname, 'w')
+    width = int(svg.props.width/90.*dpi)
+    height = int(svg.props.height/90.*dpi)
+    surface = cairo.PDFSurface(pdffile, width, height)
+    ctx = cairo.Context(surface)
+    svg.render_cairo(ctx)
+    surface.write_to_png(pngname)
+    surface.finish()
+    pdffile.close()