- Skalierung gemacht
This commit is contained in:
Michael Stangl
+118
-29
@@ -21,19 +21,34 @@ def create_picture_frame( config ):
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params = dict()
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params['width'] = config.get('globals', 'width')
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params['height'] = config.get('globals', 'height')
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params['background'] = config.get('globals', 'background')
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#echo '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">'
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begintpl = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<svg
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="1.1"
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width="${width}"
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height="${height}"
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>
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="1.1"
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width="${width}"
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height="${height}"
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>
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'''
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imagetpl = ''' <image width="${width}" height="${height}"
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xlink:href="file://${background}">
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</image>
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'''
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svgbegin = Template( begintpl ).substitute(params)
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# falls ein Hintergrundbild verwendet werden soll, dann das genauso gross
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# machen...
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try:
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background = config.get('globals', 'background')
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font_path = os.path.expandvars(os.path.join('$PICCREATE_BACKGROUNDS', background ))
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params['background'] = os.path.normpath(font_path)
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svgbegin = svgbegin + Template( imagetpl ).substitute(params)
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except ConfigParser.NoOptionError:
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# dann eben kein Hintergrundbild
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pass
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svgend = '</svg>'
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return svgbegin, svgend
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@@ -41,13 +56,76 @@ def write_font_line( content, font, params ):
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''' erzeugt den SVG Teil des Bildes aus Einzelkomponenten
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'''
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w = Word(content, font, params)
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return w.GetSVG()
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wordsvg = w.GetSVG()
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# falls das Wort nun skaliert werden soll
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if params.has_key('scale'):
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params['xscale'] = params['scale']
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params['yscale'] = params['scale']
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if not params.has_key('xscale'):
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params['xscale'] = 1.0
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if not params.has_key('yscale'):
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params['yscale'] = 1.0
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pic_width = float(params['width'])
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pic_height = float(params['height'])
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if params.has_key('autoscale'):
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wordlength = w.calc_length()
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wordheight = w.calc_height()
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#print wordlength, wordheight
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#print pic_width, pic_height
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fw = pic_width / wordlength
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fh = pic_height / wordheight
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#print fw, fh
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if fw < fh: scale_faktor = fw
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else: scale_faktor = fh
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params['xscale'] = scale_faktor
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params['yscale'] = scale_faktor
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else:
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scale_faktor = 1.0
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# berechne immer den richtigen Startpunkt, je nach Bündigkeit
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if params.has_key('align'):
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xstart = float(params['x'])
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if params['align'] == 'left':
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x = xstart
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elif params['align'] == 'center':
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word_length = w.calc_length()
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x = xstart * scale_faktor + (pic_width - word_length * scale_faktor)/2.0
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else:
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word_length = w.calc_length()
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x = xstart * scale_faktor + pic_width - word_length * scale_faktor
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params['xstart'] = x
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else:
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params['xstart'] = params['x']
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if params.has_key('yalign'):
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ystart = float(params['y'])
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if params['yalign'] == 'top':
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y = 0.0
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elif params['yalign'] == 'center':
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word_height = w.calc_height()
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y = ystart * scale_faktor + (pic_height - word_height * scale_faktor)/2.0
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elif params['yalign'] == 'bottom':
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y = ystart * scale_faktor + pic_height - word_height * scale_faktor
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else:
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y = ystart
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params['ystart'] = y
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else:
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params['ystart'] = params['y']
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scalebegin = '''<g transform="translate($xstart,$ystart) scale(${xscale},${yscale})">
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'''
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scaleend = ''' </g>'''
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svg = Template( scalebegin ).substitute(params) + wordsvg + scaleend
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return svg
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def write_random_font_line( config, fontinfos, data ):
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''' erzeugt den SVG Teil des Bildes aus einem Hintergrundbild und
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mehreren in Einzelbereichen zufällig platzierten Einzelbildern '''
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# TODO Bild aus Zufallspositionen von Einzelkomponenten
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pass
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return
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class Word:
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"""Berechnet die x/y Daten jedes Buchstabn zu einem Wort bzw. mehreren
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@@ -59,22 +137,23 @@ class Word:
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def __repr__(self):
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return self.line
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def calc_length(self):
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deltax= 0.0
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glyph_space = float(self.params['glyph_space'])
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deltax = 0.0
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for c in self.line:
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g = self.font.GlyphGet(c)
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deltax = g.GetLength() + deltax
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deltax = g.GetLength() + deltax + glyph_space
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return deltax
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def calc_height(self):
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max_y = 0.0
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for c in self.line:
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g = self.font.GlyphGet(c)
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new_y = g.GetHeight()
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if new_y > max_y:
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max_y = new_y
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return max_y
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def GetSVG(self):
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params = self.params
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# berechne immer den richtigen Startpunkt, je nach Bündigkeit
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if params['align'] == 'left':
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x = float(params['x'])
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elif params['align'] == 'center':
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word_length = self.calc_length()
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x = float(params['x'] + (params['length'] - word_length)/2.0)
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else:
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word_length = self.calc_length()
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x = float(params['x'] + word_length - params['length'])
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x = float(params['x'])
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y = params['y']
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glyph_space = float(params['glyph_space'])
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@@ -91,7 +170,7 @@ class Word:
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# diese durch den aktuellen Zählerstand ersetzen
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if params['counter_replace']:
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xn = g.GetAttribute('npattern')
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for i in range(1,int(xn)+1):
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for i in range(1, int(xn)+1):
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counter = counter + 1
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content['x'+str(i)] = counter
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svgstr = svgstr + g.GetSVG(content)
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@@ -110,7 +189,7 @@ class Glyph:
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def GetLength(self):
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return float(self.GetAttribute('xstep'))
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def GetHeight(self):
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return float(self.GetAttribute('ystep'))
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return float(self.GetAttribute('ymax'))
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def GetSVG(self, content):
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t = Template(self.template)
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svg = t.substitute(content)
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@@ -177,8 +256,8 @@ def create_picture(config, fontinfos, data, pic_path):
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svgstr = ''
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begin, end = create_picture_frame( config )
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svgstr = svgstr + begin
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picbegin, picend = create_picture_frame( config )
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svgstr = svgstr + picbegin
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# gehe alle Zeilen die im Bild enthalten sein müssen durch
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lines = config.get('globals', 'lines').split(',')
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@@ -201,16 +280,26 @@ def create_picture(config, fontinfos, data, pic_path):
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font = fontinfos[fontname]
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# hol dir die Eckdaten für die Zeile
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# x, y, align, length
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params = dict(config.items(linename))
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# x, y, align, width, height
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lineparams = dict(config.items(linename))
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picstr = write_font_line( content, font, params )
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# falls nix angegeben, dann aus hol defaults aus globalen daten
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if not lineparams.has_key('width'):
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lineparams['width'] = config.get('globals', 'width')
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if not lineparams.has_key('height'):
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lineparams['height'] = config.get('globals', 'height')
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if not lineparams.has_key('x'):
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lineparams['x'] = 0.0
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if not lineparams.has_key('y'):
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lineparams['y'] = 0.0
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picstr = write_font_line( content, font, lineparams )
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if picstr: svgstr = svgstr + picstr
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randstr = write_random_font_line( content, font, params)
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randstr = write_random_font_line( content, font, lineparams)
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if randstr: svgstr = svgstr + randstr
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svgstr = svgstr + end
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svgstr = svgstr + picend
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if options.dry:
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print svgstr
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