Update
svn: r2946
This commit is contained in:
Alex Roitman
parent
171e888544
commit
23acb22c05
@ -73,14 +73,15 @@ def cm2u(cm):
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# Spacing in points (distance between the bottoms of two adjacent lines)
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_LINE_SPACING = 20
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# An inch for each margin so far (should use styles later)
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_LEFT_MARGIN = cm2u(2.54)
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_RIGHT_MARGIN = cm2u(2.54)
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_TOP_MARGIN = cm2u(2.54)
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_BOTTOM_MARGIN = cm2u(2.54)
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# Default font
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_FONT_SIZE = 12
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_FONT_NAME = 'Serif'
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# Font constants -- specific for gnome-print
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_FONT_SANS_SERIF = "Serif"
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_FONT_SERIF = "Sans"
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_FONT_MONOSPACE = "Monospace"
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_FONT_BOLD = "Bold"
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_FONT_ITALIC = "Italic"
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_FONT_BOLD_ITALIC = "Bold Italic"
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_FONT_REGULAR = "Regular"
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#------------------------------------------------------------------------
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#
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@ -93,15 +94,15 @@ class LPRDoc(BaseDoc.BaseDoc):
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def open(self,filename):
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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.__in_paragraph=0
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self.__page_count=0
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self.__page_open=0
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self.__in_table = 0
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self.__in_cell = 0
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self.__in_paragraph = 0
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self.__page_count = 0
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self.__page_open = 0
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self.__paragraph_data=""
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self.__cell_data=""
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self.__table_data=[]
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self.__paragraph_data = ""
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self.__cell_data = ""
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self.__table_data = []
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#create main variables for this print job
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self.__job = gnomeprint.Job(gnomeprint.config_default())
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@ -109,20 +110,37 @@ class LPRDoc(BaseDoc.BaseDoc):
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#find out what the width and height of the page is
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__width, __height = gnomeprint.job_get_page_size_from_config(self.__job.get_config())
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self.__left_margin = _LEFT_MARGIN
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self.__right_margin = __width - _RIGHT_MARGIN
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self.__top_margin = __height - _TOP_MARGIN
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self.__bottom_margin = _BOTTOM_MARGIN
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#set what fonts we will use
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self.__regular_font=gnomeprint.font_find_closest(
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"%s Regular" % _FONT_NAME, _FONT_SIZE)
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self.__bold_font=gnomeprint.font_find_closest(
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"%s Bold" % _FONT_NAME, _FONT_SIZE)
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self.__font=self.__regular_font
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self.__left_margin = cm2u(self.get_left_margin())
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self.__right_margin = __width - cm2u(self.get_right_margin())
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self.__top_margin = __height - cm2u(self.get_top_margin())
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self.__bottom_margin = cm2u(self.get_bottom_margin())
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self.start_page(self)
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def find_font_from_fontstyle(self,fontstyle):
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"""
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"""
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if fontstyle.get_type_face() == BaseDoc.FONT_SANS_SERIF:
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face = _FONT_SANS_SERIF
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elif fontstyle.get_type_face() == BaseDoc.FONT_SERIF:
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face = _FONT_SERIF
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elif fontstyle.get_type_face() == BaseDoc.FONT_MONOSPACE:
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face = _FONT_MONOSPACE
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if fontstyle.get_bold():
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modifier = _FONT_BOLD
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if fontstyle.get_italic():
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modifier = _FONT_BOLD_ITALIC
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elif fontstyle.get_italic():
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modifier = _FONT_ITALIC
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else:
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modifier = _FONT_REGULAR
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size = fontstyle.get_size()
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return gnomeprint.font_find_closest("%s %s" % (face, modifier),size)
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def close(self):
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"""Clean up and close the document"""
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#print "close doc"
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@ -154,7 +172,6 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__y=self.__top_margin
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self.__pc.beginpage(str(self.__page_count))
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self.__pc.setfont(self.__font)
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self.__pc.moveto(self.__x, self.__y)
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def end_page(self):
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@ -170,8 +187,12 @@ class LPRDoc(BaseDoc.BaseDoc):
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We assume a linebreak at the end of each paragraph."""
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#print "start paragraph"
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#set paragraph variables so we know that we are in a paragraph
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self.__in_paragraph=1
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self.__paragraph_data=""
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self.__in_paragraph = 1
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self.__paragraph_data = ""
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if self.__in_table:
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self.__paragrapgh_styles[self.rownum][self.cellnum] = self.style_list[style_name]
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else:
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self.__paragraph_style = self.style_list[style_name]
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def end_paragraph(self):
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"""End the current paragraph"""
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@ -179,24 +200,33 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__in_paragraph=0
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#print text in paragraph if any data exists
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if len(self.__paragraph_data) > 0:
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fontstyle = self.__paragraph_style.get_font()
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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self.__pc.moveto(self.__x, self.__y)
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self.__x, self.__y=self.__print_text(self.__paragraph_data,
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self.__x, self.__y,
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self.__left_margin,
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self.__right_margin)
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self.__right_margin,
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fontstyle)
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self.__paragraph_data=""
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self.__y=self.__advance_line(self.__y)
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#### FIXME BEGIN #########
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# The following two functions don't work at the moment. The problem is
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# in that the writing is deferred when in tables and/or paragraphs.
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# Paragraph text is accumulated, so afterwards, when it's tim to write,
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# one would need some pointers as to when to change the font (and where
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# to change it back
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#===========================
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def start_bold(self):
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"""Bold face"""
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#print "start bold"
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self.__font=self.__bold_font
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self.__pc.setfont(self.__font)
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pass
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def end_bold(self):
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"""End bold face"""
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#print "end bold"
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self.__font=self.__regular_font
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self.__pc.setfont(self.__font)
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pass
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#==========================
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#### FIXME END #########
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def start_superscript(self):
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pass
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@ -224,6 +254,8 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__in_table=1
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self.__tbl_style = self.table_styles[style_name]
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self.__ncols = self.__tbl_style.get_columns()
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self.rownum = -1
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self.__paragrapgh_styles = [[None] * self.__ncols]
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table_width = (self.__right_margin - self.__left_margin) * \
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self.__tbl_style.get_width() / 100.0
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self.cell_widths = [0] * self.__ncols
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@ -245,6 +277,9 @@ class LPRDoc(BaseDoc.BaseDoc):
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#print "start row"
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#reset this state, so we can get data from user
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self.__row_data=[]
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self.rownum = self.rownum + 1
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self.cellnum = -1
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self.__paragrapgh_styles.append([None] * self.__ncols)
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def end_row(self):
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"""End the row (new line)"""
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@ -260,6 +295,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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#reset this state
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self.__in_cell=1
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self.__cell_data=""
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self.cellnum = self.cellnum + span
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def end_cell(self):
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"""Prepares for next cell"""
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@ -295,19 +331,29 @@ class LPRDoc(BaseDoc.BaseDoc):
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pass
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def draw_box(self,style,text,x,y):
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box_style = self.draw_styles[style]
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para_style = box_style.get_paragraph_style()
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fontstyle = para_style.get_font()
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#assuming that we start drawing box from current position
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__width=x-self.__x
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__height=y-self.__y
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self.__pc.rect_stroked(self.__x, self.__y)
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if text != None:
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__text_width=self.__get_text_width(text)
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__text_width=self.__get_text_width(text,fontstyle)
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#try to center text in box
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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self.__pc.moveto(self.__x+(__width/2)-(__text_width/2),
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self.__y+(__height/2))
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self.__pc.show(text)
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def write_at (self, style, text, x, y):
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box_style = self.draw_styles[style]
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para_style = box_style.get_paragraph_style()
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fontstyle = para_style.get_font()
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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self.__pc.moveto(x, y)
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self.__pc.show(text)
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@ -316,16 +362,26 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__pc.lineto(x2, y2)
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def draw_text(self,style,text,x1,y1):
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box_style = self.draw_styles[style]
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para_style = box_style.get_paragraph_style()
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fontstyle = para_style.get_font()
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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self.__pc.moveto(x1,y1)
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self.__pc.show(text)
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def center_text(self,style,text,x1,y1):
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box_style = self.draw_styles[style]
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para_style = box_style.get_paragraph_style()
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fontstyle = para_style.get_font()
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#not sure how x1, y1 fit into this
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#should we assume x1 y1 is the starting location
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#and that the right margin is the right edge?
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__width=self.get_text_width(text)
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__center=self.__right_margin-self.__left_margin
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__center-=__width/2
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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self.__pc.moveto(__center, self.__y)
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self.__pc.show(text)
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@ -364,16 +420,17 @@ class LPRDoc(BaseDoc.BaseDoc):
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return y - _LINE_SPACING
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#function to determine the width of text
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def __text_width(self, text):
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return self.__font.get_width_utf8(text)
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def __text_width(self, text, fontstyle):
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font = self.find_font_from_fontstyle(fontstyle)
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return font.get_width_utf8(text)
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#this function tells us the minimum size that a column can be
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#by returning the width of the largest word in the text
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def __min_column_size (self, text):
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def __min_column_size (self, text,fontstyle):
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__textlist=string.split(text, " ")
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__max_word_size=0
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for __word in __textlist:
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__length=self.__text_width(__word+" "*3)
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__length=self.__text_width(__word+" "*3,fontstyle)
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if __length > __max_word_size:
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__max_word_size=__length
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@ -381,16 +438,16 @@ class LPRDoc(BaseDoc.BaseDoc):
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#function to fund out the height of the text between left_margin
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# and right_margin -- kinda like __print_text, but without printing.
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def __text_height(self, text, width):
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def __text_height(self, text, width, fontstyle):
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nlines = 1
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if width < self.__text_width(text):
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if width < self.__text_width(text,fontstyle):
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#divide up text and print
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textlist = string.split(text)
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text = ""
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for element in textlist:
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if self.__text_width(text + element + " ") < width:
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if self.__text_width(text + element + " ",fontstyle) < width:
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text = text + element + " "
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else:
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#__text contains as many words as this __width allows
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@ -403,13 +460,14 @@ class LPRDoc(BaseDoc.BaseDoc):
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return nlines * _LINE_SPACING
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def __print_text(self, text, x, y, left_margin, right_margin):
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def __print_text(self, text, x, y, left_margin, right_margin,fontstyle):
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__width=right_margin-left_margin
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self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
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#all text will fit within the width provided
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if __width >= self.__text_width(text):
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if __width >= self.__text_width(text,fontstyle):
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self.__pc.moveto(left_margin, y)
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x=left_margin+self.__text_width(text)
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x=left_margin+self.__text_width(text,fontstyle)
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self.__pc.show(text)
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y=self.__advance_line(y)
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else:
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@ -417,7 +475,7 @@ class LPRDoc(BaseDoc.BaseDoc):
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__textlist=string.split(text, " ")
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__text=""
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for __element in __textlist:
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if self.__text_width(__text+__element+" ") < __width:
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if self.__text_width(__text+__element+" ",fontstyle) < __width:
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__text=__text+__element+" "
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else:
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#__text contains as many words as this __width allows
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@ -451,11 +509,15 @@ class LPRDoc(BaseDoc.BaseDoc):
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__row = self.__table_data[__row_num][:]
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#do calcs on each __row and keep track on max length of each column
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for __col in range(self.__ncols):
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__min = self.__min_column_size(__row[__col]+" "*3)
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fontstyle = self.__paragrapgh_styles[__row_num][__col].get_font()
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__min = self.__min_column_size(__row[__col]+" "*3,fontstyle)
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if __min < __min_col_size[__col]:
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__min_col_size[__col] = __min
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__max = self.__text_height(__row[__col], self.cell_widths[__col])
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__max = self.__text_height(__row[__col],
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self.cell_widths[__col],
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fontstyle)
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if __max > __max_vspace[__row_num]:
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__max_vspace[__row_num] = __max
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@ -469,40 +531,6 @@ class LPRDoc(BaseDoc.BaseDoc):
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#is table width larger than the width of the paper?
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if __min_table_width > (self.__right_margin - self.__left_margin):
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print "Table does not fit onto the page.\n"
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#BILLY:
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# I have commented this block since the table width is now determined
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# from the start_table's style argument. Here we only detect if we
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# have minimum column sizes exceeding the page width -- should not
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# happen really. If it does, there's no good way to fix it,
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# so I'm not even attempting. It's like fitting table
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# with three cells, each containing a word occupying the whole line.
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#
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# #figure out the largest our table can be to fit on a page
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# __width=self.__right_margin - self.__left_margin
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# #find out how much larger our table is than what is allowed
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# __extra_length=__min_table_width - __width
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# #for each column, substract the extra width off so that
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# #each column gets deduced a width determined by its
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# #size compared to the other columns
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# #(larger columns get more taken off, smaller columns get
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# # less width taken off)
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#
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# __temp = 0
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# while __extra_length > 1:
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# print "Extra length:", __extra_length
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# for __col in range(self.__ncols):
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# if __extra_length<=1: break
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# if __max_col_size[__col] > __min_col_size[__col]:
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# __temp = self.cell_widths[__col] \
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# - (self.cell_widths[__col]/__min_table_width) \
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# * __extra_length
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# if __temp >= __min_col_size[__col]:
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# __max_col_size[__col]=__temp
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#
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# __min_table_width=0
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# for __value in __max_col_size:
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# __min_table_width+=__value
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# __extra_length=__min_table_width - __width
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#for now we will assume left justification of tables
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#output data in table
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@ -518,9 +546,12 @@ class LPRDoc(BaseDoc.BaseDoc):
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__min_y=self.__y
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for __col in range(self.__ncols):
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fontstyle = self.__paragrapgh_styles[__row_num][__col].get_font()
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__nothing, __y=self.__print_text(__row[__col],
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self.__x, self.__y,
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__x, __x+self.cell_widths[__col])
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__x, __x+self.cell_widths[__col],
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fontstyle)
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__x=__x+self.cell_widths[__col] # set up margin for this row
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if __y < __min_y: # if we go below current lowest
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@ -528,12 +559,6 @@ class LPRDoc(BaseDoc.BaseDoc):
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self.__y=__min_y #reset so that we do not overwrite
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#see if we are about to go off the page, if so, create new page
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#if self.__y < self.__bottom_margin:
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# self.end_page()
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# self.start_page()
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# __min_y=self.__y
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#function to print text to a printer
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def __do_print(self,dialog, job):
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__pc = gnomeprint.Context(dialog.get_config())
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@ -576,6 +601,6 @@ Plugins.register_text_doc(
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classref=LPRDoc,
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table=1,
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paper=1,
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style=0,
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style=1,
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ext=""
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)
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