fix

[librarian.git] / librarian / cover.py

diff --git a/librarian/cover.py b/librarian/cover.py
index e34ce62..8e61fe3 100644 (file)
--- a/librarian/cover.py
+++ b/librarian/cover.py
@@ -13,6 +13,7 @@ class Cover(object):
     background_color = '#fff'
     background_img = None
 
     background_color = '#fff'
     background_img = None
 

+    author_align = 'c'

     author_top = 100
     author_margin_left = 20
     author_margin_right = 20
     author_top = 100
     author_margin_left = 20
     author_margin_right = 20


@@ -20,7 +21,9 @@ class Cover(object):
     author_color = '#000'
     author_shadow = None
     author_font = None
     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_top = 100
     title_margin_left = 20
     title_margin_right = 20


@@ -28,6 +31,7 @@ class Cover(object):
     title_color = '#000'
     title_shadow = None
     title_font = None
     title_color = '#000'
     title_shadow = None
     title_font = None

+    title_wrap = True

 
     logo_bottom = None
     logo_width = None
 
     logo_bottom = None
     logo_width = None


@@ -45,27 +49,60 @@ class Cover(object):
         'PNG': 'image/png',
         }
 
         '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
 
     @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:
         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
             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 shadow_color:
             shadow_img = shadow_img.filter(ImageFilter.BLUR)
             img.paste(shadow_img, None, shadow_img)


@@ -88,7 +125,10 @@ class Cover(object):
 
         if self.background_img:
             background = Image.open(self.background_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
             del background
 
         # WL logo


@@ -98,11 +138,13 @@ class Cover(object):
             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)
             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
                     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)
         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)
 
                     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)
 


@@ -115,7 +157,7 @@ class Cover(object):
         return self.exts[self.format]
 
     def save(self, *args, **kwargs):
         return self.exts[self.format]
 
     def save(self, *args, **kwargs):

-        return self.image().save(*args, format=self.format, **kwargs)
+        return self.image().save(format=self.format, *args, **kwargs)

 
 
 
 
 
 


@@ -124,8 +166,8 @@ class VirtualoCover(Cover):
     height = 730
     author_top = 73
     title_top = 73
     height = 730
     author_top = 73
     title_top = 73

-    logo_bottom = 0
-    logo_width = 300
+    logo_bottom = 25
+    logo_width = 250

 
 
 class PrestigioCover(Cover):
 
 
 class PrestigioCover(Cover):


@@ -173,3 +215,53 @@ class BookotekaCover(Cover):
     title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 140)
 
     format = 'PNG'
     title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 140)
 
     format = 'PNG'

+
+
+class GandalfCover(Cover):
+    width = 600
+    height = 730
+    background_img = get_resource('res/cover-gandalf.png')
+    author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 30)
+    title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 40)
+    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 = 'JPEG'
+
+    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