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Take ownership of image scaling

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This fixes the imposed border being mangled, and also allows
Konsole to present decent looking scaling since it no longer
has to scale.
This commit is contained in:
Jarrod Johnson
2025-05-15 10:00:03 -04:00
parent 08738713c9
commit ef46b6cabd
1 changed files with 14 additions and 3 deletions
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17
confluent_client/bin/nodeconsole
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@@ -213,19 +213,28 @@ def cursor_hide():
def cursor_show():
sys.stdout.write('\x1b[?25h')
def get_pix_dimensions(width, height):
cheight, cwidth, pixwidth, pixheight = sq.get_screengeom()
imgwidth = int(pixwidth / cwidth * width)
imgheight = int(pixheight / cheight * height)
return imgwidth, imgheight
def draw_text(text, width, height):
if Image:
maxfntsize = 256
nerr = Image.new(mode='RGB', size=(1024,768), color='green')
imgwidth, imgheight = get_px_dimensions(width, height)
nerr = Image.new(mode='RGB', size=(imgwidth, imgwidth), color='green')
nd = ImageDraw.Draw(nerr)
for txtpiece in text.split('\n'):
fntsize = 8
while nd.textlength(txtpiece, font_size=fntsize) < 896:
while nd.textlength(txtpiece, font_size=fntsize) < int(imgwidth * 0.90):
fntsize += 1
fntsize -= 1
if fntsize < maxfntsize:
maxfntsize = fntsize
nd.text((64, 64), text, font_size=maxfntsize)
hmargin = int(imgwidth * 0.05)
vmargin = int(imgheight * 0.10)
nd.text((hmargin, vmargin), text, font_size=maxfntsize)
outfile = io.BytesIO()
nerr.save(outfile, format='PNG')
data = base64.b64encode(outfile.getbuffer())
@@ -276,6 +285,8 @@ def kitty_draw(data, width, height):
except Exception as e:
errstr = 'Error rendering image:\n' + str(e)
return draw_text(errstr, width, height)
imgwidth, imgheight = get_pix_dimensions(width, height)
img = img.resize((imgwidth - 4, imgheight - 4))
nimg = Image.new(mode='RGB', size=(img.width + 4, img.height + 4), color='black')
nd = ImageDraw.Draw(nimg)
nd.rectangle((0, 0, nimg.width - 1, nimg.height -1), outline='white', width=1)