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Improve text rendering for SVG reports (#0001072).

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svn: r8553
This commit is contained in:
Brian Matherly 2007-06-15 04:07:41 +00:00
parent 9347d4c6ff
commit eb5135310f
2 changed files with 62 additions and 55 deletions
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3
ChangeLog
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@ -1,3 +1,6 @@
2007-06-14 Brian Matherly <brian@gramps-project.org>
* src/docgen/SvgDrawDoc.py: improve text rendering (#0001072)
2007-06-13 Alex Roitman <shura@gramps-project.org>
* src/ViewManager.py: Enable recent files.
* src/DisplayState.py (RecentDocsMenu.load): work out directories;

114
src/docgen/SvgDrawDoc.py
View File

@ -27,6 +27,7 @@
#
#-------------------------------------------------------------------------
from gettext import gettext as _
import StringIO
#-------------------------------------------------------------------------
#
@ -50,7 +51,7 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
self.filename = None
self.level = 0
self.time = "0000-00-00T00:00:00"
self.page = 0
self.page = 0
def open(self,filename):
if filename[-4:] != ".svg":
@ -62,7 +63,7 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
pass
def start_page(self):
self.page = self.page + 1
self.page = self.page + 1
if self.page != 1:
name = "%s-%d.svg" % (self.root,self.page)
else:
@ -74,6 +75,8 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
raise Errors.ReportError(_("Could not create %s") % name, msg)
except:
raise Errors.ReportError(_("Could not create %s") % name)
self.t = StringIO.StringIO()
self.f.write('<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n')
self.f.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" ')
@ -90,43 +93,44 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
size = font.get_size()
width = 0
height = 0
for line in text:
width = max(width,self.string_width(font,line))
height += size
# rangle = -((pi/180.0) * angle)
centerx,centery = units((x+self.paper.get_left_margin(),y+self.paper.get_top_margin()))
centerx,centery = units(( x+self.paper.get_left_margin(),
y+self.paper.get_top_margin() ))
xpos = (centerx - (width/2.0))
ypos = (centery - (height/2.0))
yh = 0
self.t.write('<text ')
self.t.write('x="%4.2f" y="%4.2f" ' % (xpos,ypos))
self.t.write('transform="rotate(%d %4.2f %4.2f)" ' % (angle,centerx,centery))
self.t.write('style="fill:#%02x%02x%02x; '% font.get_color())
if font.get_bold():
self.t.write('font-weight:"bold";')
if font.get_italic():
self.t.write('font-style:"italic";')
self.t.write('font-size:%d; ' % size)
if font.get_type_face() == BaseDoc.FONT_SANS_SERIF:
self.t.write('font-family:sans-serif;')
else:
self.t.write('font-family:serif;')
self.t.write('">')
for line in text:
xw = self.string_width(font,line)
xpos = (centerx - (xw/2.0))
ypos = (centery)
xd = 0
yd = yh
# xd = yh * sin(-rangle)
# yd = yh * cos(-rangle)
self.f.write('<text ')
self.f.write('x="%4.2f" y="%4.2f" ' % (xpos+xd,ypos+yd))
# self.f.write('transform="rotate(%d) ' % angle)
# self.f.write(' translate(%.8f,%.8f)" ' % (-xpos,-ypos))
self.f.write('style="fill:#%02x%02x%02x; '% font.get_color())
if font.get_bold():
self.f.write('font-weight:"bold";')
if font.get_italic():
self.f.write('font-style:"italic";')
self.f.write('font-size:%d; ' % size)
if font.get_type_face() == BaseDoc.FONT_SANS_SERIF:
self.f.write('font-family:sans-serif;')
else:
self.f.write('font-family:serif;')
self.f.write('">')
self.f.write(line)
self.f.write('</text>\n')
yh += size
# Center this line relative to the rest of the text
linex = xpos + (width - self.string_width(font,line) ) / 2
self.t.write('<tspan x="%4.2f" dy="%d">' % (linex,size))
self.t.write(line)
self.t.write('</tspan>')
self.t.write('</text>\n')
def end_page(self):
# Print the text last for each page so that it is rendered on top of
# other graphic elements.
self.f.write(self.t.getvalue())
self.t.close()
self.f.write('</svg>\n')
self.f.close()
@ -193,22 +197,22 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
ystart = center - (fs/2.0) * nlines
for i in range(nlines):
ypos = ystart + (i * fs)
self.f.write('<text ')
self.f.write('x="%4.2fcm" ' % (x+mar))
self.f.write('y="%4.2fcm" ' % ypos)
self.f.write('style="fill:#%02x%02x%02x; '% font.get_color())
self.t.write('<text ')
self.t.write('x="%4.2fcm" ' % (x+mar))
self.t.write('y="%4.2fcm" ' % ypos)
self.t.write('style="fill:#%02x%02x%02x; '% font.get_color())
if font.get_bold():
self.f.write(' font-weight:"bold";')
self.t.write(' font-weight:"bold";')
if font.get_italic():
self.f.write(' font-style:"italic";')
self.f.write(' font-size:%d;' % font_size)
self.t.write(' font-style:"italic";')
self.t.write(' font-size:%d;' % font_size)
if font.get_type_face() == BaseDoc.FONT_SANS_SERIF:
self.f.write(' font-family:sans-serif;')
self.t.write(' font-family:sans-serif;')
else:
self.f.write(' font-family:serif;')
self.f.write('">')
self.t.write(' font-family:serif;')
self.t.write('">')
self.f.write(lines[i])
self.f.write('</text>\n')
self.t.write('</text>\n')
def draw_text(self,style,text,x,y):
x = x + self.paper.get_left_margin()
@ -222,22 +226,22 @@ class SvgDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
font = p.get_font()
font_size = font.get_size()
fs = (font_size/28.35) * 1.2
self.f.write('<text ')
self.f.write('x="%4.2fcm" ' % x)
self.f.write('y="%4.2fcm" ' % (y+fs))
self.f.write('style="fill:#%02x%02x%02x;'% font.get_color())
self.t.write('<text ')
self.t.write('x="%4.2fcm" ' % x)
self.t.write('y="%4.2fcm" ' % (y+fs))
self.t.write('style="fill:#%02x%02x%02x;'% font.get_color())
if font.get_bold():
self.f.write('font-weight:bold;')
self.t.write('font-weight:bold;')
if font.get_italic():
self.f.write('font-style:italic;')
self.f.write('font-size:%d; ' % font_size)
self.t.write('font-style:italic;')
self.t.write('font-size:%d; ' % font_size)
if font.get_type_face() == BaseDoc.FONT_SANS_SERIF:
self.f.write('font-family:sans-serif;')
self.t.write('font-family:sans-serif;')
else:
self.f.write('font-family:serif;')
self.f.write('">')
self.f.write(text)
self.f.write('</text>\n')
self.t.write('font-family:serif;')
self.t.write('">')
self.t.write(text)
self.t.write('</text>\n')
def center_text(self, style, text, x, y):
style_sheet = self.get_style_sheet()