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CairoDoc.py, GtkPrint.py and PdfDoc.py cleanup.

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svn: r9028
This commit is contained in:
Zsolt Foldvari 2007-09-28 21:57:08 +00:00
parent d502801584
commit 6736044628
4 changed files with 52 additions and 37 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2007-09-28 Zsolt Foldvari <zfoldvar@users.sourceforge.net>
* src/docgen/CairoDoc.py:
* src/docgen/GtkPrint.py:
* src/docgen/PdfDoc.py:
Cleanup.
2007-09-28 Tobias Gehrig <tobias@gehrignet.de>
* src/DataViews/_PedigreeView.py: use subsection thumbnails
* src/DataViews/_RelationView.py: use subsection thumbnails

31
src/docgen/CairoDoc.py
View File

@ -1078,6 +1078,7 @@ class CairoDoc(BaseDoc.BaseDoc, BaseDoc.TextDoc, BaseDoc.DrawDoc):
self._doc = GtkDocDocument()
self._active_element = self._doc
self._pages = []
self._elements_to_paginate = []
def close(self):
self.run()
@ -1268,25 +1269,23 @@ class CairoDoc(BaseDoc.BaseDoc, BaseDoc.TextDoc, BaseDoc.DrawDoc):
"""
raise NotImplementedError
def setup_paginate(self):
"""Setup initial variables for pagination.
"""
# get all document level elements and beging a new page
self.elements_to_paginate = self._doc.get_children()[:]
self._pages = [GtkDocDocument(),]
self.available_height = self.page_height
def paginate(self, layout, dpi_x, dpi_y):
def paginate(self, layout, page_width, page_height, dpi_x, dpi_y):
"""Paginate the meta document in chunks.
Only one document level element is handled at one run.
"""
# if first time run than initialize the variables
if not self._elements_to_paginate:
self._elements_to_paginate = self._doc.get_children()[:]
self._pages.append(GtkDocDocument())
self._available_height = page_height
# try to fit the next element to current page, divide it if needed
elem = self.elements_to_paginate.pop(0)
elem = self._elements_to_paginate.pop(0)
(e1, e2), e1_h = elem.divide(layout,
self.page_width,
self.available_height,
page_width,
self._available_height,
dpi_x,
dpi_y)
@ -1296,17 +1295,17 @@ class CairoDoc(BaseDoc.BaseDoc, BaseDoc.TextDoc, BaseDoc.DrawDoc):
# if elem was divided remember the second half to be processed
if e2 is not None:
self.elements_to_paginate.insert(0, e2)
self._elements_to_paginate.insert(0, e2)
# calculate how much space left on current page
self.available_height -= e1_h
self._available_height -= e1_h
# start new page if needed
if (e1 is None) or (e2 is not None):
self._pages.append(GtkDocDocument())
self.available_height = self.page_height
self._available_height = page_height
return len(self.elements_to_paginate) == 0
return len(self._elements_to_paginate) == 0
def draw_page(self, page_nr, cr, layout, width, height, dpi_x, dpi_y):
"""Draw a page on a Cairo context.

31
src/docgen/GtkPrint.py
View File

@ -1,7 +1,7 @@
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007 Donald N. Allingham
# Copyright (C) 2007 Zsolt Foldvari
#
# 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
@ -549,21 +549,22 @@ class GtkPrint(CairoDoc):
def on_begin_print(self, operation, context):
"""Setup environment for printing.
"""
# get page size
# get data from print context
self.page_width = round(context.get_width())
self.page_height = round(context.get_height())
# initialize pagination
self.setup_paginate()
def on_paginate(self, operation, context):
"""Paginate the whole document in chunks.
"""
layout = context.create_pango_layout()
dpi_x = context.get_dpi_x()
dpi_y = context.get_dpi_y()
finished = self.paginate(layout, dpi_x, dpi_y)
finished = self.paginate(layout,
self.page_width,
self.page_height,
dpi_x,
dpi_y)
# update page number
operation.set_n_pages(len(self._pages))
@ -578,12 +579,16 @@ class GtkPrint(CairoDoc):
"""
cr = context.get_cairo_context()
layout = context.create_pango_layout()
width = round(context.get_width())
height = round(context.get_height())
dpi_x = context.get_dpi_x()
dpi_y = context.get_dpi_y()
self.draw_page(page_nr, cr, layout, width, height, dpi_x, dpi_y)
self.draw_page(page_nr,
cr,
layout,
self.page_width,
self.page_height,
dpi_x,
dpi_y)
def on_preview(self, operation, preview, context, parent):
"""Implement custom print preview functionality.
@ -608,6 +613,6 @@ class GtkPrint(CairoDoc):
# Register the document generator with the GRAMPS plugin system
#
#------------------------------------------------------------------------
register_text_doc(_('Print... (Gtk+)'), GtkPrint, 1, 1, 1, "", None)
register_draw_doc(_('Print... (Gtk+)'), GtkPrint, 1, 1, "", None)
register_book_doc(_('Print... (Gtk+)'), GtkPrint, 1, 1, 1, "", None)
register_text_doc(_('Print...'), GtkPrint, 1, 1, 1, "", None)
register_draw_doc(_('Print...'), GtkPrint, 1, 1, "", None)
register_book_doc(_('Print...'), GtkPrint, 1, 1, 1, "", None)

21
src/docgen/PdfDoc.py
View File

@ -1,7 +1,7 @@
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007 Donald N. Allingham
# Copyright (C) 2007 Zsolt Foldvari
#
# 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
@ -98,9 +98,6 @@ class PdfDoc(CairoDoc):
self.page_width = round(context.get_width())
self.page_height = round(context.get_height())
# initialize pagination
self.setup_paginate()
def on_paginate(self, operation, context):
"""Paginate the whole document in chunks.
"""
@ -108,7 +105,11 @@ class PdfDoc(CairoDoc):
dpi_x = context.get_dpi_x()
dpi_y = context.get_dpi_y()
finished = self.paginate(layout, dpi_x, dpi_y)
finished = self.paginate(layout,
self.page_width,
self.page_height,
dpi_x,
dpi_y)
# update page number
operation.set_n_pages(len(self._pages))
@ -126,12 +127,16 @@ class PdfDoc(CairoDoc):
"""
cr = context.get_cairo_context()
layout = context.create_pango_layout()
width = context.get_width()
height = context.get_height()
dpi_x = context.get_dpi_x()
dpi_y = context.get_dpi_y()
self.draw_page(page_nr, cr, layout, width, height, dpi_x, dpi_y)
self.draw_page(page_nr,
cr,
layout,
self.page_width,
self.page_height,
dpi_x,
dpi_y)
#------------------------------------------------------------------------
#