using_libqtile_images.py

using_libqtile_images.py

aa_svg = b"""
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 112 90">
  <path d="M68,87h-13l20-56h14l20,56h-13l-4-12h-20l-4,12zM75,65h14l-7-22l-7,22z
" fill="#2a376e"/>
  <path d="M15,87h-13l20-56h14l19,56h-12l-4-12h-21l-3,12zM22,65h14l-7-22l-7,22z" fill="#bf2426"/>
  <path d="M705,169c5,18,5,27-2,48l-58,172l-62-175c0,0,7-19,11-30c3,0,9,7,9,7c0,0-7-20-4-24l9-24l10,6c-2-6-5-19-5-19l9-28l10,5c0,0-7-19-5-22l24-63c20,47,36,98,54,147zM659,485c1,5,0,11-5,19c1,10,1,13-2,17c-3,3-6,4-10,4c1-3,1-7,0-8c-13-17-42-50-42-50h-15l-14,36l6,10c0,0,13,0,19,0c1,0,2,1,3,3v6c-1-1-3-2-4-3c-14,0-24,0-37,1l-4,2c-2-5,2-9,5-9c3,0,6,0,5-2c-1-3-2-4-5-7h-16c-16-46-33-92-47-139c6,0,14-3,14-3c0,0-16-6-20-15c-3-9-14-40-14-40c0,0,9-1,13-3c-5-4-18-8-20-14c-7-18-11-35-11-35c0,0,16-1,14-2c-9-4-21-16-21-16c0,0-11-31-11-31c1-1,16,0,16,0c-4-8-16-12-13-23c4-13,9-26,12-34l9,5c-1-5-4-23-4-23l12-35l9,7l-3-24l20-51l52,147l109,310zM475,476l-5-8l-6,8h-22l48-74l27,74h-14l-5-8l-5,8h-18z" fill="#2a376e" transform="scale(0.1)"/>
</svg>
"""

from libqtile.images import Img
import cairocffi
from tempfile import TemporaryDirectory
from os import path, chdir

def create_montage_image(*imgs):
    from subprocess import Popen, PIPE
    cmd = ['montage']
    for img in imgs:
        cmd.extend(['-label', img.label, img.path])
    # cmd.extend(['-font', 'Ubuntu', '-tile', '1x{}'.format(len(imgs)), '-geometry', '+16x16+1+1', '/tmp/out.png'])
    cmd.extend(['-font', 'Ubuntu', '-frame', '5', '-geometry', '200x200>+10+10', '/tmp/out.png'])
    print(cmd)
    p = Popen(cmd, stdout=PIPE, stderr=PIPE)
    stdout, stderr = p.communicate()
    print('stdout', stdout)
    print('stderr', stderr)
    print('retcoe', p.returncode)
    # run(cmd).check_returncode()

def save_images(*imgs):
    with TemporaryDirectory() as tdir:
        chdir(tdir)
        for idx, img in enumerate(imgs):
            base_path = path.join(tdir, img.name)
            # surf = cairocffi.SVGSurface(base_path + '.svg', img.width, img.height)
            surf = cairocffi.SVGSurface(base_path + '.svg', 200, 200)
            ctx = cairocffi.Context(surf)
            ctx.save()
            ctx.set_source(img.pattern)
            ctx.paint()
            ctx.restore()
            png_path = base_path + '.png'
            surf.write_to_png(png_path)
            surf.finish()
            img.path = png_path
        create_montage_image(*imgs)

nimgs = 0
def get_img(name='aa'):
    global nimgs
    img = Img(aa_svg, name=name+str(nimgs))
    nimgs += 1
    return img

img = get_img()
img.label = 'base ({}x{})'.format(*img.default_size)

img2 = get_img()
img2.scale(1.5, 0.5)
img2.label = 'img2.scale(1.5, 0.5)\n-> ({}x{})'.format(img2.width, img2.height)

img3 = get_img()
img3.scale(1.5, lock_aspect_ratio=True)
img3.label = 'img3.scale(1.5,\nlock_aspect_ratio=True)\n-> ({}x{})'.format(img3.width, img3.height)

img6 = get_img()
img6.scale(height_factor=1.5, lock_aspect_ratio=True)
img6.label = 'img6.scale(height_factor=1.5,\nlock_aspect_ratio=True)\n-> ({}x{})'.format(img6.width, img6.height)

img4 = get_img()
img4.resize(width=200)
img4.label = 'img4.resize(width=200)\n-> ({}x{})'.format(img4.width, img4.height)

img5 = get_img()
img5.resize(width=112, height=45)
img5.label = 'img5.resize(width=112, height=45)\n-> ({}x{})'.format(img5.width, img5.height)

img7 = get_img()
img7.resize(height=45)
img7.label = 'img7.resize(height=45)\n-> ({}x{})'.format(img7.width, img7.height)

# WIP
# img8 = get_img()
# img8.theta = 30.0
# img8.label = 'img8.theta = 30.0\n-> ({}x{})'.format(img8.width, img8.height)

save_images(img, img2, img3, img6, img4, img5, img7)