SF.net SVN: matplotlib:[8102] trunk/matplotlib/lib/matplotlib

[<lee...@us...>]

Revision: 8102
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8102&view=rev
Author:   leejjoon
Date:     2010-01-29 16:22:51 +0000 (Fri, 29 Jan 2010)

Log Message:
-----------
fix some issues in the bbox after the postscript distiller is run

Modified Paths:
--------------
    trunk/matplotlib/lib/matplotlib/backends/backend_ps.py
    trunk/matplotlib/lib/matplotlib/font_manager.py

Modified: trunk/matplotlib/lib/matplotlib/backends/backend_ps.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_ps.py	2010-01-29 15:27:54 UTC (rev 8101)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_ps.py	2010-01-29 16:22:51 UTC (rev 8102)
@@ -1383,14 +1383,17 @@
     This yields smaller files without illegal encapsulated postscript
     operators. The output is low-level, converting text to outlines.
     """
-    paper = '-sPAPERSIZE=%s'% ptype
+
+    paper_option = "-sPAPERSIZE=%s" % ptype
+    
     psfile = tmpfile + '.ps'
     outfile = tmpfile + '.output'
     dpi = rcParams['ps.distiller.res']
     if sys.platform == 'win32': gs_exe = 'gswin32c'
     else: gs_exe = 'gs'
+
     command = '%s -dBATCH -dNOPAUSE -r%d -sDEVICE=pswrite %s -sOutputFile="%s" \
-                "%s" > "%s"'% (gs_exe, dpi, paper, psfile, tmpfile, outfile)
+                "%s" > "%s"'% (gs_exe, dpi, paper_option, psfile, tmpfile, outfile)
     verbose.report(command, 'debug')
     exit_status = os.system(command)
     fh = file(outfile)
@@ -1403,14 +1406,14 @@
     shutil.move(psfile, tmpfile)
 
 
+    # While it is best if above steps preserve the original bounding
+    # box, it does not seems to be the case. pstoeps not only convert
+    # the input to eps format, but also restores the original bbox.
 
-    # Since the the paper size is set to the figure size for eps
-    # output (in '_print_figure_tex'), pstoeps call is not required.
+    if eps:
+        pstoeps(tmpfile, bbox)
 
-    #if eps:
-    #    pstoeps(tmpfile, bbox)
 
-
 def xpdf_distill(tmpfile, eps=False, ptype='letter', bbox=None):
     """
     Use ghostscript's ps2pdf and xpdf's/poppler's pdftops to distill a file.
@@ -1421,9 +1424,13 @@
     pdffile = tmpfile + '.pdf'
     psfile = tmpfile + '.ps'
     outfile = tmpfile + '.output'
+
+    if eps: paper_option = "-dEPSCrop"
+    else: paper_option = "-sPAPERSIZE=%s" % ptype
+    
     command = 'ps2pdf -dAutoFilterColorImages=false \
--sColorImageFilter=FlateEncode -sPAPERSIZE=%s "%s" "%s" > "%s"'% \
-(ptype, tmpfile, pdffile, outfile)
+-sColorImageFilter=FlateEncode %s "%s" "%s" > "%s"'% \
+(paper_option, tmpfile, pdffile, outfile)
     if sys.platform == 'win32': command = command.replace('=', '#')
     verbose.report(command, 'debug')
     exit_status = os.system(command)
@@ -1445,17 +1452,37 @@
     os.remove(outfile)
     os.remove(tmpfile)
     shutil.move(psfile, tmpfile)
+
+
+    # Similar to the gs_distillier case, ps2pdf does not seem to
+    # preserve the bbox of the original file (at least w/ gs
+    # 8.61). Thus, the original bbox need to be resotred.
+
     if eps:
         pstoeps(tmpfile, bbox)
     for fname in glob.glob(tmpfile+'.*'):
         os.remove(fname)
 
 
+def get_bbox_header(l, b, r, t):
+    """
+    return a postscript header stringfor the given bbox (l, b, r, t)
+    """
+
+    bbox_info = '%%%%BoundingBox: %d %d %d %d' % (l, b, npy.ceil(r), npy.ceil(t))
+    hires_bbox_info = '%%%%HiResBoundingBox: %.6f %.6f %.6f %.6f' % (l, b, r, t)
+
+    return '\n'.join([bbox_info, hires_bbox_info])
+
+
+# get_bbox is deprecated. I don't see any reason to use ghostscript to
+# find the bounding box, as the required bounding box is alread known.
 def get_bbox(tmpfile, bbox):
     """
     Use ghostscript's bbox device to find the center of the bounding box. Return
     an appropriately sized bbox centered around that point. A bit of a hack.
     """
+
     outfile = tmpfile + '.output'
     if sys.platform == 'win32': gs_exe = 'gswin32c'
     else: gs_exe = 'gs'
@@ -1497,7 +1524,7 @@
     """
     Convert the postscript to encapsulated postscript.
     """
-    bbox_info = get_bbox(tmpfile, bbox)
+    bbox_info = get_bbox_header(*bbox)
 
     epsfile = tmpfile + '.eps'
     epsh = file(epsfile, 'w')
@@ -1552,6 +1579,7 @@
     shutil.move(epsfile, tmpfile)
 
 
+
 class FigureManagerPS(FigureManagerBase):
     pass
 

Modified: trunk/matplotlib/lib/matplotlib/font_manager.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/font_manager.py	2010-01-29 15:27:54 UTC (rev 8101)
+++ trunk/matplotlib/lib/matplotlib/font_manager.py	2010-01-29 16:22:51 UTC (rev 8102)
@@ -1204,7 +1204,6 @@
         for font in fontlist:
             if (directory is not None and
                 os.path.commonprefix([font.fname, directory]) != directory):
-                print directory, font.fname, os.path.commonprefix([font.fname, directory])
                 continue
             # Matching family should have highest priority, so it is multiplied
             # by 10.0


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