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new placeholder thumbnail generation

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This commit is contained in:
Til Schmitter 2026-05-08 01:08:46 +02:00
parent 18dc743151
commit f0406ab472
4 changed files with 59 additions and 12 deletions
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2
copyparty/httpcli.py
View file

@ -5282,7 +5282,7 @@ class HttpCli(object):
# chrome cannot handle more than ~2000 unique SVGs
# so url-param "raster" returns a png/webp instead
# (useragent-sniffing kinshi due to caching proxies)
mime, ico = self.conn.hsrv.ico.get(txt, not small, "raster" in self.uparam)
mime, ico = self.conn.hsrv.ico.get(txt, not small, "raster" in self.uparam, self.uparam.get('a'))
lm = formatdate(self.E.t0)
self.reply(ico, mime=mime, headers={"Last-Modified": lm})

65
copyparty/ico.py
View file

@ -15,7 +15,7 @@ class Ico(object):
def __init__(self, args: argparse.Namespace) -> None:
self.args = args
def get(self, ext: str, as_thumb: bool, chrome: bool) -> tuple[str, bytes]:
def get(self, ext: str, as_thumb: bool, chrome: bool, accent: str) -> tuple[str, bytes]:
"""placeholder to make thumbnails not break"""
bext = ext.encode("ascii", "replace")
@ -24,7 +24,7 @@ class Ico(object):
if PY2:
zb = [ord(x) for x in zb] # type: ignore
c1 = colorsys.hsv_to_rgb(zb[0] / 256.0, 1, 0.3)
c1 = colorsys.hsv_to_rgb(zb[0] / 256.0, 1, 1)
c2 = colorsys.hsv_to_rgb(zb[0] / 256.0, 0.5 if HAVE_PILF else 1, 0.9)
ci = [int(x * 255) for x in list(c1) + list(c2)]
c = "".join(["%02x" % (x,) for x in ci])
@ -90,14 +90,14 @@ class Ico(object):
img.save(buf, format="PNG", compress_level=1)
return "image/png", buf.getvalue()
svg = """\
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" viewBox="0 0 100 {}" xmlns="http://www.w3.org/2000/svg"><g>
<rect width="100%" height="100%" fill="#{}" />
<text x="50%" y="{}" dominant-baseline="middle" text-anchor="middle" xml:space="preserve"
fill="#{}" font-family="monospace" font-size="14px" style="letter-spacing:.5px">{}</text>
</g></svg>
"""
# svg = """\
# <?xml version="1.0" encoding="UTF-8"?>
# <svg version="1.1" viewBox="0 0 100 {}" xmlns="http://www.w3.org/2000/svg"><g>
# <rect width="100%" height="100%" fill="#{}" />
# <text x="50%" y="{}" dominant-baseline="middle" text-anchor="middle" xml:space="preserve"
# fill="#{}" font-family="monospace" font-size="14px" style="letter-spacing:.5px">{}</text>
# </g></svg>
# """
txt = html_escape(ext, True)
if "\n" in txt:
@ -107,8 +107,51 @@ class Ico(object):
zs = '<tspan x="50%%" dy="1.2em">%s</tspan>'
txt = "".join([zs % (x,) for x in lines])
else:
y = "50%"
y = "55%"
svg = svg.format(h, c[:6], y, c[6:], txt)
if(len(ext) > 3):
fontsz = 12 / len(ext) * 3
else:
fontsz = 12
svg = """\
<?xml version="1.0" encoding="UTF-8"?>
<svg
viewBox="0 0 48 48"
version="1.1"
xmlns="http://www.w3.org/2000/svg">
<path
fill="#{}aa"
d="m 28.22643,3.6905246 0.0063,10.1096644 a 1.6331061,1.6331061 44.698111 0 0 1.649296,1.632007 l 9.339558,-0.09259 z"/>
<path
class="a"
d="M39.5,15.5h-9a2,2,0,0,1-2-2v-9h-18a2,2,0,0,0-2,2v35a2,2,0,0,0,2,2h27a2,2,0,0,0,2-2Z"
id="path1"
stroke-width="1" fill="none" stroke="{}" stroke-linecap="round" stroke-linejoin="round" />
<line
class="a"
x1="28.5"
y1="4.5"
x2="39.5"
y2="15.5"
stroke-width="1" fill="none" stroke="{}" stroke-linecap="round" stroke-linejoin="round" />
<text
font-size="{}px" dominant-baseline="middle" text-anchor="middle" xml:space="preserve"
fill="{}" font-family="monospace" style="letter-spacing:.5px"
x="50%" y="{}">{}</text>
</svg>
"""
svg = svg.format(c[:6], accent, accent, fontsz, accent, y, txt)
if(txt == 'folder'):
svg = """\
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" width="100%" height="100%" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<path fill-rule="evenodd" clip-rule="evenodd" d="M3 7C3 5.89543 3.89543 5 5 5L8.67157 5C9.20201 5 9.71071 5.21071 10.0858 5.58579L10.9142 6.41421C11.2893 6.78929 11.798 7 12.3284 7H19C20.1046 7 21 7.89543 21 9V17C21 18.1046 20.1046 19 19 19H5C3.89543 19 3 18.1046 3 17V7Z" fill="{}"/>
</svg>
"""
svg = svg.format(accent)
return "image/svg+xml", svg.encode("utf-8")

1
copyparty/web/browser.css
View file

@ -956,6 +956,7 @@ tr.play td:nth-child(1) a {
}
#ggrid>a img {
z-index: 1;
background: var(--bg);
border-radius: 5px;
border-radius: calc(var(--radius) / 3 * 2);
max-width: 10em;

3
copyparty/web/browser.js
View file

@ -6447,6 +6447,9 @@ var thegrid = (function () {
if (CHROME)
ihref += "&raster";
var accent = getComputedStyle(document.body).getPropertyValue('--a');
ihref += '&a=' + accent;
html.push('<a href="' + ohref + '" ref="' + ref +
'" class="' + ac + '" ttt="' + esc(name) + '">' +
'<div class="imgcontainer">' +