background_color = '#fff'
background_img = None
+ author_align = 'c'
author_top = 100
author_margin_left = 20
author_margin_right = 20
author_color = '#000'
author_shadow = None
author_font = None
+ author_wrap = True
+ title_align = 'c'
title_top = 100
title_margin_left = 20
title_margin_right = 20
title_color = '#000'
title_shadow = None
title_font = None
+ title_wrap = True
logo_bottom = None
logo_width = None
'PNG': 'image/png',
}
+ @staticmethod
+ def person_shortener(text):
+ yield text
+ chunks = text.split()
+ n_chunks = len(chunks)
+ # make initials from given names, starting from last
+ for i in range(n_chunks - 2, -1, -1):
+ chunks[i] = chunks[i][0] + '.'
+ yield " ".join(chunks)
+ # remove given names initials, starting from last
+ while len(chunks) > 2:
+ del chunks[1]
+ yield " ".join(chunks)
+
+ @staticmethod
+ def title_shortener(text):
+ yield text
+ chunks = text.split()
+ n_chunks = len(chunks)
+ # remove words, starting from last one
+ while len(chunks) > 1:
+ del chunks[-1]
+ yield " ".join(chunks) + u'…'
@staticmethod
- def draw_centered_text(text, img, font, margin_left, width, pos_y, lineskip, color, shadow_color):
+ def draw_text(text, img, font, align, shortener, margin_left, width, pos_y, lineskip, color, shadow_color):
if shadow_color:
shadow_img = Image.new('RGBA', img.size)
shadow_draw = ImageDraw.Draw(shadow_img)
text_img = Image.new('RGBA', img.size)
text_draw = ImageDraw.Draw(text_img)
while text:
- line = text
- while text_draw.textsize(line, font=font)[0] > width:
- try:
- line, ext = line.rsplit(' ', 1)
- except:
- break
- pos_x = margin_left + (width - text_draw.textsize(line, font=font)[0]) / 2
+ if shortener:
+ for line in shortener(text):
+ if text_draw.textsize(line, font=font)[0] <= width:
+ break
+ text = ''
+ else:
+ line = text
+ while text_draw.textsize(line, font=font)[0] > width:
+ try:
+ line, ext = line.rsplit(' ', 1)
+ except:
+ break
+ text = text[len(line)+1:]
+ pos_x = margin_left
+ if align == 'c':
+ pos_x += (width - text_draw.textsize(line, font=font)[0]) / 2
+ elif align == 'r':
+ pos_x += (width - text_draw.textsize(line, font=font)[0])
if shadow_color:
shadow_draw.text((pos_x + 3, pos_y + 3), line, font=font, fill=shadow_color)
text_draw.text((pos_x, pos_y), line, font=font, fill=color)
pos_y += lineskip
- text = text[len(line)+1:]
if shadow_color:
shadow_img = shadow_img.filter(ImageFilter.BLUR)
img.paste(shadow_img, None, shadow_img)
if self.background_img:
background = Image.open(self.background_img)
- img.paste(background, None, background)
+ try:
+ img.paste(background, None, background)
+ except ValueError, e:
+ img.paste(background)
del background
# WL logo
img.paste(logo, ((self.width - self.logo_width) / 2, img.size[1] - logo.size[1] - self.logo_bottom))
author_font = self.author_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 30)
- title_y = self.draw_centered_text(self.pretty_author(), img, author_font,
+ author_shortener = None if self.author_wrap else self.person_shortener
+ title_y = self.draw_text(self.pretty_author(), img, author_font, self.author_align, author_shortener,
self.author_margin_left, self.width - self.author_margin_left - self.author_margin_right, self.author_top,
self.author_lineskip, self.author_color, self.author_shadow) + self.title_top
+ title_shortener = None if self.title_wrap else self.title_shortener
title_font = self.title_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 40)
- self.draw_centered_text(self.pretty_title(), img, title_font,
+ self.draw_text(self.pretty_title(), img, title_font, self.title_align, title_shortener,
self.title_margin_left, self.width - self.title_margin_left - self.title_margin_right, title_y,
self.title_lineskip, self.title_color, self.title_shadow)
logo_bottom = 25
logo_width = 250
format = 'PNG'
+
+
+class ArtaTechCover(Cover):
+ width = 600
+ height = 800
+ background_img = get_resource('res/cover-arta-tech.jpg')
+ author_top = 132
+ author_margin_left = 235
+ author_margin_right = 23
+ author_align = 'r'
+ author_font = ImageFont.truetype(get_resource('fonts/DroidSans.ttf'), 32)
+ author_color = '#555555'
+ author_wrap = False
+ title_top = 17
+ title_margin_right = 21
+ title_margin_left = 60
+ title_align = 'r'
+ title_font = ImageFont.truetype(get_resource('fonts/EBGaramond-Regular.ttf'), 42)
+ title_color = '#222222'
+ title_wrap = False
+ format = 'PNG'
+
+ def pretty_author(self):
+ return self.author.upper()
+
+
+def ImageCover(img):
+ """ a class factory for simple image covers """
+ img = Image.open(img)
+
+ class ImgCover(Cover):
+ def image(self):
+ return img
+
+ @property
+ def format(self):
+ return self.image().format
+
+ return ImgCover
fnp / librarian.git / blobdiff