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-rw-r--r--scripts/pybootchartgui/pybootchartgui/batch.py46
1 files changed, 46 insertions, 0 deletions
diff --git a/scripts/pybootchartgui/pybootchartgui/batch.py b/scripts/pybootchartgui/pybootchartgui/batch.py
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1# This file is part of pybootchartgui.
2
3# pybootchartgui is free software: you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation, either version 3 of the License, or
6# (at your option) any later version.
7
8# pybootchartgui is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
12
13# You should have received a copy of the GNU General Public License
14# along with pybootchartgui. If not, see <http://www.gnu.org/licenses/>.
15
16import cairo
17from . import draw
18from .draw import RenderOptions
19
20def render(writer, trace, app_options, filename):
21 handlers = {
22 "png": (lambda w, h: cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h), \
23 lambda sfc: sfc.write_to_png(filename)),
24 "pdf": (lambda w, h: cairo.PDFSurface(filename, w, h), lambda sfc: 0),
25 "svg": (lambda w, h: cairo.SVGSurface(filename, w, h), lambda sfc: 0)
26 }
27
28 if app_options.format is None:
29 fmt = filename.rsplit('.', 1)[1]
30 else:
31 fmt = app_options.format
32
33 if not (fmt in handlers):
34 writer.error ("Unknown format '%s'." % fmt)
35 return 10
36
37 make_surface, write_surface = handlers[fmt]
38 options = RenderOptions (app_options)
39 (w, h) = draw.extents (options, 1.0, trace)
40 w = max (w, draw.MIN_IMG_W)
41 surface = make_surface (w, h)
42 ctx = cairo.Context (surface)
43 draw.render (ctx, options, 1.0, trace)
44 write_surface (surface)
45 writer.status ("bootchart written to '%s'" % filename)
46