X-Git-Url: https://git.mdrn.pl/audio.git/blobdiff_plain/db4b95766ce00690d38bff256d77fed006abc54d..d5f57479d0929fe75aee4203ec875d1510f2e4c0:/src/youtube/thumbnail.py?ds=sidebyside diff --git a/src/youtube/thumbnail.py b/src/youtube/thumbnail.py index 8eb7973..e40b552 100644 --- a/src/youtube/thumbnail.py +++ b/src/youtube/thumbnail.py @@ -22,7 +22,7 @@ def split_to_lines(text, draw, font, max_width): yield current -def draw_box(img, d, context, get_font_path): +def draw_box(img, d, context, get_font_path, scale): newimg = Image.new( 'RGBA', ( @@ -35,7 +35,7 @@ def draw_box(img, d, context, get_font_path): cursor = 0 for item in d['items']: if item.get('vskip'): - cursor += item['vskip'] + cursor += int(round(item['vskip'] * scale)) text = item['text'].format(**context) if not text: continue @@ -43,7 +43,7 @@ def draw_box(img, d, context, get_font_path): text = text.upper() font = ImageFont.truetype( get_font_path(item['font-family']), - item['font-size'], + int(round(item['font-size'] * scale)), layout_engine=ImageFont.LAYOUT_BASIC ) max_width = item.get('max-width', newimg.size[0]) @@ -53,16 +53,25 @@ def draw_box(img, d, context, get_font_path): if cursor + realheight > newimg.size[1]: return False draw.text((0, cursor), line, font=font, fill=item.get('color')) - cursor += item['line-height'] + cursor += int(round(item['line-height'] * scale)) img.paste(newimg, (d.get('x', 0), d.get('y', 0)), newimg) return True +def draw_box_with_scaling(img, d, context, get_font_path): + scale = 1.0 + while scale > 0: + if draw_box(img, d, context, get_font_path, scale): + return True + scale -= 0.05 + + + def create_thumbnail(background_path, defn, context, get_font_path): img = Image.open(background_path) d = yaml.load(defn) for boxdef in d['boxes']: - if not draw_box(img, boxdef, context, get_font_path): + if not draw_box_with_scaling(img, boxdef, context, get_font_path): raise ValueError() return img