* src/docgen/LPRDoc.py: Set and maintain self.brand_new_page.
Use constant factor for line spacing for given font size. svn: r2989
This commit is contained in:
Alex Roitman
@@ -1,3 +1,7 @@
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2004-03-09 Alex Roitman <shura@alex.neuro.umn.edu>
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* src/docgen/LPRDoc.py: Set and maintain self.brand_new_page.
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Use constant factor for line spacing for given font size.
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2004-03-08 Don Allingham <dallingham@users.sourceforge.net>
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* src/EditPerson.py: TreeView enhancements
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* src/PeopleModel.py: TreeView enhancements
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@@ -64,8 +64,9 @@ if gnomeprint.Context.__dict__.has_key('grestore'):
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else:
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support_photos = 0
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print "LPRDoc: Photos and rotated text (used in TimeChart)"
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print "are not supported for direct priting."
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print "Get gnome-python from CVS or wait for the next gnome-python release."
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print " are not supported for direct priting."
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print " Get gnome-python from CVS"
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print " or wait for the next gnome-python release."
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### end FIXME ###
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#------------------------------------------------------------------------
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@@ -92,45 +93,24 @@ _SUPER_ELEVATION_FRACTION = 0.3
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# Number of points to subtract to get the superscrip size
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_SUPER_SIZE_REDUCTION = 2
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# Factor which multiplies the font size to get line spacing for the font
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_EXTRA_SPACING_FACTOR = 1.1
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# Font constants -- specific for gnome-print
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_TTF_FREEFONT = ( ( 'FreeSerif Medium',
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'FreeSerif Bold',
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'FreeSerif Italic',
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'FreeSerif BoldItalic' ),
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( 'FreeSans Medium',
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'FreeSans Bold',
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'FreeSans Oblique',
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'FreeSans BoldOblique'),
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( 'FreeMono Medium',
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'FreeMono Bold',
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'FreeMono Oblique',
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'FreeMono BoldOblique')
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_TTF_FREEFONT = (
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('FreeSerif Medium','FreeSerif Bold','FreeSerif Italic','FreeSerif BoldItalic' ),
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('FreeSans Medium','FreeSans Bold','FreeSans Oblique','FreeSans BoldOblique'),
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('FreeMono Medium','FreeMono Bold','FreeMono Oblique','FreeMono BoldOblique')
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)
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_MS_TTFONT = ( ( 'Times New Roman Regular',
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'Times New Roman Bold',
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'Times New Roman Italic',
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'Times New Roman Bold Italic' ),
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( 'Arial Regular',
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'Arial Bold',
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'Arial Italic',
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'Arial Bold Italic'),
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( 'Courier New Regular',
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'Courier New Bold',
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'Courier New Italic',
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'Courier New Bold Italic')
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_MS_TTFONT = (
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('Times New Roman Regular','Times New Roman Bold','Times New Roman Italic','Times New Roman Bold Italic' ),
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('Arial Regular','Arial Bold','Arial Italic','Arial Bold Italic'),
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('Courier New Regular','Courier New Bold','Courier New Italic','Courier New Bold Italic')
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)
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_GNOME_FONT = ( ( 'Serif Regular',
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'Serif Bold',
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'Serif Italic',
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'Serif Bold Italic' ),
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( 'Sans Regular',
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'Sans Bold',
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'Sans Italic',
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'Sans Bold Italic'),
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( 'Monospace Regular',
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'Monospace New Bold',
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'Monospace New Italic',
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'Monospace New Bold Italic')
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_GNOME_FONT = (
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('Serif Regular','Serif Bold','Serif Italic','Serif Bold Italic' ),
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('Sans Regular','Sans Bold','Sans Italic','Sans Bold Italic'),
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('Monospace Regular','Monospace New Bold','Monospace New Italic','Monospace New Bold Italic')
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)
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# Search for ttf-freefont first
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@@ -142,7 +122,7 @@ for family in _TTF_FREEFONT:
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break
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if ttf_not_found:
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print "Free true type fonts not found."
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print "LPRDoc: Free true type fonts not found."
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# Search for MS ttfs
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ms_not_found = 0
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for family in _MS_TTFONT:
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@@ -151,16 +131,18 @@ if ttf_not_found:
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ms_not_found = 1
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break
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if ms_not_found:
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print "Microsoft true type fonts not found."
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print "Using Gnome standard fonts."
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print "Non-ascii characters will appear garbled in the output."
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print "INSTALL Free true type fonts from http://www.nongnu.org/freefont/"
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print " Microsoft true type fonts not found."
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print " Using Gnome standard fonts."
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print " Non-ascii characters will appear garbled in the output."
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print " INSTALL Free true type fonts"
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print " from http://www.nongnu.org/freefont/"
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_FONT_SET = _GNOME_FONT
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else:
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print "Found Microsoft true type fonts. Will use them for now."
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print "These fonts are not free. "
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print "We would advise you to switch to Free true type fonts"
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print "INSTALL Free true type fonts from http://www.nongnu.org/freefont/"
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print " Found Microsoft true type fonts. Will use them for now."
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print " These fonts are not free. "
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print " You are advised to switch to Free true type fonts"
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print " INSTALL Free true type fonts"
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print " from http://www.nongnu.org/freefont/"
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_FONT_SET = _MS_TTFONT
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else:
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_FONT_SET = _TTF_FREEFONT
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@@ -178,7 +160,7 @@ _MONO = "Mono"
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#------------------------------------------------------------------------
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def cm2u(cm):
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"""
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Convert cm to gnome-print units
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Convert cm to gnome-print units.
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"""
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return cm * 72.0 / 2.54
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@@ -293,19 +275,19 @@ class GnomePrintParagraph:
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def get_fontstyle(self):
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"""
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Return fontstyle for the paragraph
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Return fontstyle for the paragraph.
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"""
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return self.fontstyle
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def get_alignment(self):
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"""
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Return requested alignment of the paragraph
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Return requested alignment of the paragraph.
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"""
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return self.style.get_alignment()
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def get_min_width(self):
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"""
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Determine the minimal width of the paragraph (longest word)
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Determine the minimal width of the paragraph (longest word).
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"""
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max_word_size = 0
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@@ -412,12 +394,13 @@ class GnomePrintParagraph:
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end_word = len(textlist)
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self.lines.append((start_piece,start_word,end_piece,end_word,avail_width))
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self.height = nlines * self.fontstyle.get_size() \
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self.height = nlines * self.fontstyle.get_size() * _EXTRA_SPACING_FACTOR \
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+ 2 * cm2u(self.style.get_padding())
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def get_lines(self):
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"""
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Return a list of assemlbed lines for the paragraph.
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Each element is a tuple corresponding to the line's contents:
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(start_piece,start_word,end_piece,end_word,avail_width)
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"""
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@@ -501,7 +484,7 @@ class GnomePrintPhoto:
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#
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#------------------------------------------------------------------------
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class LPRDoc(BaseDoc.BaseDoc):
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"""Gnome-print document interface class. Derived from BaseDoc"""
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"""Gnome-print document interface class. Derived from BaseDoc."""
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#------------------------------------------------------------------------
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#
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@@ -509,13 +492,13 @@ class LPRDoc(BaseDoc.BaseDoc):
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#
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#------------------------------------------------------------------------
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def open(self,filename):
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"""Sets up initialization"""
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"""Sets up initialization."""
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#set up variables needed to keep track of which state we are in
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self.__in_table = 0
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self.__in_cell = 0
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self.__page_count = 0
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self.__page_open = 0
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self.brand_new_page = 0
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self.paragraph = None
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self.__cell_data = []
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self.__table_data = []
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@@ -536,7 +519,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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def close(self):
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"""Clean up and close the document"""
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"""Clean up and close the document."""
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#gracefully end page before we close the doc if a page is open
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if self.__page_open:
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self.end_page()
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@@ -545,7 +528,10 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__show_print_dialog()
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def start_page(self,orientation=None):
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"""Create a new page"""
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"""Create a new page."""
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# Don't start new page if it is just started
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if self.brand_new_page:
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return
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#reset variables dealing with opening a page
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if (self.__page_open):
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self.end_page()
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@@ -557,18 +543,19 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__pc.beginpage(str(self.__page_count))
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self.__pc.moveto(self.__x, self.__y)
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self.brand_new_page = 1
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def end_page(self):
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"""Close the current page"""
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"""Close the current page."""
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if (self.__page_open):
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self.__page_open = 0
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self.__pc.showpage()
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self.__y -= self.top_margin + _LINE_SPACING
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self.brand_new_page = 0
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def page_break(self):
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"Forces a page break, creating a new page"
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"Forces a page break, creating a new page."
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# If we're already at the very top, relax and do nothing
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if self.__y != self.top_margin:
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if not self.brand_new_page:
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self.end_page()
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self.start_page()
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@@ -579,13 +566,14 @@ class LPRDoc(BaseDoc.BaseDoc):
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#------------------------------------------------------------------------
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def line_break(self):
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"Forces a line break within a paragraph"
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"Forces a line break within a paragraph."
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# Add previously held text to the paragraph,
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# then add line break directive,
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# then start accumulating further text
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append_to_paragraph(self.paragraph,self.__paragraph_directive,self.__paragraph_text)
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self.paragraph.add_piece(_LINE_BREAK,"")
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self.__paragraph_text = ""
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self.brand_new_page = 0
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def start_paragraph(self,style_name,leader=None):
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"""Paragraphs handling - A Gramps paragraph is any
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@@ -597,9 +585,10 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__paragraph_text = ""
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if leader:
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self.__paragraph_text += leader + " "
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self.brand_new_page = 0
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def end_paragraph(self):
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"""End the current paragraph"""
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"""End the current paragraph."""
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# Add current text/directive to paragraoh,
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# then either add paragrah to the list of cell's paragraphs
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# or print it right away if not in cell
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@@ -613,31 +602,36 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__x, self.__y,
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self.right_margin - self.left_margin)
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self.paragraph = None
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self.brand_new_page = 0
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def start_bold(self):
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"""Bold face"""
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"""Bold face."""
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append_to_paragraph(self.paragraph,self.__paragraph_directive,self.__paragraph_text)
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self.__paragraph_directive = _BOLD
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self.__paragraph_text = ""
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self.brand_new_page = 0
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def end_bold(self):
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"""End bold face"""
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"""End bold face."""
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append_to_paragraph(self.paragraph,self.__paragraph_directive,self.__paragraph_text)
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self.__paragraph_directive = ""
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self.__paragraph_text = ""
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self.brand_new_page = 0
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def start_superscript(self):
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append_to_paragraph(self.paragraph,self.__paragraph_directive,self.__paragraph_text)
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self.__paragraph_directive = _SUPER
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self.__paragraph_text = ""
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self.brand_new_page = 0
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def end_superscript(self):
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append_to_paragraph(self.paragraph,self.__paragraph_directive,self.__paragraph_text)
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self.__paragraph_directive = ""
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self.__paragraph_text = ""
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self.brand_new_page = 0
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def start_table(self,name,style_name):
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"""Begin new table"""
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"""Begin new table."""
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# initialize table, compute its width, find number of columns
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self.__table_data = []
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self.__in_table = 1
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@@ -648,16 +642,18 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__tbl_style.get_width() / 100.0
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self.__cell_widths = []
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self.__cell_styles = []
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self.brand_new_page = 0
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def end_table(self):
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"""Close the table environment"""
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"""Close the table environment."""
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# output table contents
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self.__output_table()
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self.__in_table = 0
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self.__y = self.__advance_line(self.__y)
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self.brand_new_page = 0
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def start_row(self):
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"""Begin a new row"""
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"""Begin a new row."""
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# Initialize row, compute cell widths
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self.__row_data = []
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self.rownum = self.rownum + 1
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@@ -668,15 +664,18 @@ class LPRDoc(BaseDoc.BaseDoc):
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for cell in range(self.__ncols):
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self.__cell_widths[self.rownum][cell] = self.__table_width * \
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self.__tbl_style.get_column_width(cell) / 100.0
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self.brand_new_page = 0
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def end_row(self):
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"""End the row (new line)"""
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"""End the row (new line)."""
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# add row data to the data we have for the current table
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self.__table_data.append(self.__row_data)
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self.brand_new_page = 0
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def start_cell(self,style_name,span=1):
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"""Add an entry to the table."""
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# Initialize a cell, take care of span>1 cases
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self.brand_new_page = 0
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self.__in_cell = 1
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self.__cell_data = []
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self.cellnum = self.cellnum + self.__span
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@@ -689,13 +688,14 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__cell_widths[self.rownum][self.cellnum + __extra_cell] = 0
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def end_cell(self):
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"""Prepares for next cell"""
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"""Prepares for next cell."""
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# append the cell text to the row data
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self.__in_cell = 0
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self.__row_data.append(self.__cell_data)
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self.brand_new_page = 0
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def add_photo(self,name,pos,x,y):
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"""Add photo to report"""
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"""Add photo to report."""
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photo = GnomePrintPhoto(name,pos,x,y)
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if self.__in_cell:
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@@ -706,6 +706,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__x, self.__y = self.write_photo(photo,
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self.__x, self.__y,
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self.right_margin - self.left_margin)
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self.brand_new_page = 0
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def write_photo(self,photo,x,y,width):
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"""
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@@ -716,6 +717,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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width - allocated width
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"""
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self.brand_new_page = 0
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# FIXME -- remove when gnome-python is released and hits every distro
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if not support_photos:
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return (x,y)
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@@ -751,6 +753,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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def write_text(self,text):
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"""Add the text to the paragraph"""
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self.brand_new_page = 0
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# Take care of superscript tags
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super_count = text.count('<super>')
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for num in range(super_count):
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@@ -769,6 +772,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__paragraph_text = self.__paragraph_text + text
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def write_note(self,text,format,style_name):
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self.brand_new_page = 0
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if format == 1:
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for line in text.split('\n'):
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self.start_paragraph(style_name)
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@@ -785,8 +789,9 @@ class LPRDoc(BaseDoc.BaseDoc):
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#function to help us advance a line
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def __advance_line(self,y,paragraph=None):
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self.brand_new_page = 0
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if paragraph:
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spacing = paragraph.fontstyle.get_size()
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spacing = paragraph.fontstyle.get_size() * _EXTRA_SPACING_FACTOR
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else:
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spacing = _LINE_SPACING
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new_y = y - spacing
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@@ -807,6 +812,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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width - allocated width
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"""
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self.brand_new_page = 0
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if not paragraph.get_piece_list():
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return (x,y)
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@@ -821,7 +827,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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no_space = 0
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first = 1
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if y - paragraph.fontstyle.get_size() < self.bottom_margin:
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if y - paragraph.fontstyle.get_size() * _EXTRA_SPACING_FACTOR < self.bottom_margin:
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self.end_page()
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self.start_page()
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x = left_margin
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@@ -841,13 +847,13 @@ class LPRDoc(BaseDoc.BaseDoc):
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elif paragraph.get_alignment() == BaseDoc.PARA_ALIGN_LEFT:
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pass
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elif paragraph.get_alignment() == BaseDoc.PARA_ALIGN_JUSTIFY:
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print "Paragraph justification not supported."
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print "Falling back to left-justified mode."
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print "LPRDoc: Paragraph justification not supported."
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print " Falling back to left-justified mode."
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if first:
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first = 0
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x = x + cm2u(paragraph.style.get_first_indent())
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y = y - paragraph.fontstyle.get_size()
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y = y - paragraph.fontstyle.get_size() * _EXTRA_SPACING_FACTOR
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# Loop over pieces that constitute the line
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for piece_num in range(start_piece,end_piece+1):
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@@ -903,7 +909,8 @@ class LPRDoc(BaseDoc.BaseDoc):
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return (x,y)
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def __output_table(self):
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"""do calcs on data in table and output data in a formatted way"""
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"""Do calcs on data in table and output data in a formatted way."""
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self.brand_new_page = 0
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__min_col_size = [0] * self.__ncols
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__max_vspace = [0] * len(self.__table_data)
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@@ -933,7 +940,7 @@ class LPRDoc(BaseDoc.BaseDoc):
|
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__min_table_width = __min_table_width + __size
|
||||
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||||
if __min_table_width > (self.right_margin - self.left_margin):
|
||||
print "Table does not fit onto the page.\n"
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||||
print "LPRDoc: Table does not fit onto the page."
|
||||
|
||||
#for now we will assume left justification of tables
|
||||
#output data in table
|
||||
@@ -971,10 +978,12 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
#------------------------------------------------------------------------
|
||||
|
||||
def horizontal_line(self):
|
||||
self.brand_new_page = 0
|
||||
self.__pc.moveto(self.left_margin, self.__y)
|
||||
self.__pc.lineto(self.right_margin, self.__y)
|
||||
|
||||
def draw_path(self,style,path):
|
||||
self.brand_new_page = 0
|
||||
stype = self.draw_styles[style]
|
||||
color = [ val/255.0 for val in stype.get_fill_color()]
|
||||
|
||||
@@ -1008,6 +1017,7 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
def draw_box(self,style,text,x,y):
|
||||
#assuming that we start drawing box from current position
|
||||
|
||||
self.brand_new_page = 0
|
||||
x = self.left_margin + cm2u(x)
|
||||
y = self.top_margin - cm2u(y)
|
||||
|
||||
@@ -1023,16 +1033,17 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
if text:
|
||||
lines = text.split('\n')
|
||||
start_x = x + 0.5 * fontstyle.get_size()
|
||||
start_y = y - fontstyle.get_size()
|
||||
start_y = y - fontstyle.get_size() * _EXTRA_SPACING_FACTOR
|
||||
for line in lines:
|
||||
if not line.split():
|
||||
continue
|
||||
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
|
||||
self.__pc.moveto(start_x,start_y)
|
||||
self.__pc.show(line)
|
||||
start_y -= fontstyle.get_size()
|
||||
start_y -= fontstyle.get_size() * _EXTRA_SPACING_FACTOR
|
||||
|
||||
def write_at (self, style, text, x, y):
|
||||
self.brand_new_page = 0
|
||||
para_style = self.style_list[style]
|
||||
fontstyle = para_style.get_font()
|
||||
|
||||
@@ -1041,23 +1052,26 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
self.__pc.show(text)
|
||||
|
||||
def draw_bar(self, style, x1, y1, x2, y2):
|
||||
self.brand_new_page = 0
|
||||
self.__pc.moveto(x1, y1)
|
||||
self.__pc.lineto(x2, y2)
|
||||
|
||||
def draw_text(self,style,text,x,y):
|
||||
self.brand_new_page = 0
|
||||
box_style = self.draw_styles[style]
|
||||
para_name = box_style.get_paragraph_style()
|
||||
para_style = self.style_list[para_name]
|
||||
fontstyle = para_style.get_font()
|
||||
|
||||
start_x = self.left_margin + cm2u(x)
|
||||
start_y = self.top_margin - cm2u(y) - fontstyle.get_size()
|
||||
start_y = self.top_margin - cm2u(y) - fontstyle.get_size() * _EXTRA_SPACING_FACTOR
|
||||
|
||||
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
|
||||
self.__pc.moveto(start_x,start_y)
|
||||
self.__pc.show(text)
|
||||
|
||||
def center_text(self,style,text,x,y):
|
||||
self.brand_new_page = 0
|
||||
box_style = self.draw_styles[style]
|
||||
para_name = box_style.get_paragraph_style()
|
||||
para_style = self.style_list[para_name]
|
||||
@@ -1065,11 +1079,14 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
|
||||
width = get_text_width(text,fontstyle)
|
||||
start_x = self.left_margin + cm2u(x) - 0.5 * width
|
||||
start_y = self.top_margin - cm2u(y) \
|
||||
- fontstyle.get_size() * _EXTRA_SPACING_FACTOR
|
||||
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
|
||||
self.__pc.moveto(start_x, self.top_margin - cm2u(y) - fontstyle.get_size())
|
||||
self.__pc.moveto(start_x, start_y)
|
||||
self.__pc.show(text)
|
||||
|
||||
def rotate_text(self,style,text,x,y,angle):
|
||||
self.brand_new_page = 0
|
||||
# FIXME - remove when new gnome-python is in all distros
|
||||
if not support_photos:
|
||||
return
|
||||
@@ -1096,11 +1113,12 @@ class LPRDoc(BaseDoc.BaseDoc):
|
||||
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
|
||||
self.__pc.moveto(this_x,this_y)
|
||||
self.__pc.show(line)
|
||||
this_y -= size
|
||||
this_y -= size * _EXTRA_SPACING_FACTOR
|
||||
|
||||
self.__pc.grestore()
|
||||
|
||||
def draw_line(self,style,x1,y1,x2,y2):
|
||||
self.brand_new_page = 0
|
||||
x1 = cm2u(x1) + self.left_margin
|
||||
x2 = cm2u(x2) + self.left_margin
|
||||
y1 = self.top_margin - cm2u(y1)
|
||||
|
||||
Reference in New Issue
Block a user