240 lines
7.6 KiB
Python
240 lines
7.6 KiB
Python
#!/usr/bin/python3
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from renderlib import *
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from schedulelib import *
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from easing import *
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from xml.sax.saxutils import escape as xmlescape
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from PIL import ImageFont
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# URL to Schedule-XML
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scheduleUrl = "https://cfp.ctbk.de/fsck-2025/schedule/export/schedule.xml"
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def introFrames(args):
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frames = 1 * fps
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for _ in range(0, frames):
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yield (
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("title", "style", "opacity", 0),
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("persons", "style", "opacity", 0),
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("glogo", "style", "opacity", 0),
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("sparkle", "style", "opacity", 0),
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)
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# fade in logo
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frames = 3 * fps
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for i in range(0, frames):
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# source: matrix(0.66093871,0,0,0.66093871,325.49887,111.96043)
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# target: matrix(1, 0, 0, 1, 0, 0)
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size = 0.66 + easeInOutQuad(i, 0.0, 1.0 - 0.66, frames)
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posx = easeInOutQuad(frames - i, 0.0, 325.49887, frames)
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posy = easeInOutQuad(frames - i, 0.0, 111.96043, frames)
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yield (
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(
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"glogo",
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"attr",
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"transform",
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# the easing function can’t handle easing from larger to smaller, so use this hacky workaround
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f"translate(0,{easeInQuad(frames - i, 0.0, 200.0, frames)})",
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),
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("glogo", "style", "opacity", easeOutQuad(i, 0, 1, frames)),
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# scale in the fsck text banner behind the foreground elements
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# target size is 5.414656 in both x and y
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(
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"fsck-banner",
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"attr",
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"transform",
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f"matrix({size:.4f},0,0,{size:.4f},{posx:.4f},{posy:.4f})",
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),
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("title", "style", "opacity", 0),
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("persons", "style", "opacity", 0),
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("sparkle", "style", "opacity", 0),
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)
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frames = 1 * fps
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for i in range(0, frames):
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yield (
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("glogo", "style", "opacity", 1),
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("title", "style", "opacity", 0),
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("persons", "style", "opacity", 0),
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("sparkle", "style", "opacity", 0),
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)
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# fade in title and persons
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frames = 3 * fps
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intermediate = (frames * 1) // 3
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for i in range(0, intermediate):
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yield (
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("title", "style", "opacity", easeOutQuad(i, 0, 1, frames)),
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("persons", "style", "opacity", 0),
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("glogo", "style", "opacity", 1),
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(
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"sparkle",
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"style",
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"opacity",
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easeOutQuad(min(i * 2, intermediate), 0, 1, intermediate),
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),
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(
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"sparkle",
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"attr",
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"transform",
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f"translate({-463.66869 + easeLinear(i, 0.0, 378.32308 + 463.66869, frames)}, 0)",
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),
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)
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for i in range(intermediate, frames):
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yield (
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("title", "style", "opacity", easeOutQuad(i, 0, 1, frames)),
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(
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"persons",
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"style",
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"opacity",
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easeOutQuad(i - intermediate, 0, 1, frames - intermediate),
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),
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("glogo", "style", "opacity", 1),
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(
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"sparkle",
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"style",
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"opacity",
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easeInQuad(
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i - intermediate,
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1,
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-1,
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frames - intermediate,
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),
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),
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(
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"sparkle",
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"attr",
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"transform",
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f"translate({-463.66869 + easeLinear(i, 0.0, 378.32308 + 463.66869, frames)}, 0)",
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),
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)
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# show whole image for 5 seconds
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frames = 5 * fps
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for i in range(0, frames):
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yield (
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("title", "style", "opacity", 1),
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("persons", "style", "opacity", 1),
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("glogo", "style", "opacity", 1),
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("sparkle", "style", "opacity", 0),
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)
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# fade out image and text
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frames = 1 * fps
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for i in range(0, frames):
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yield (
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("title", "style", "opacity", easeOutQuad(i, 1, -1, frames)),
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("persons", "style", "opacity", easeOutQuad(i, 1, -1, frames)),
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("glogo", "style", "opacity", easeOutQuad(i, 1, -1, frames)),
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("sparkle", "style", "opacity", 0),
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)
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def outroFrames(args):
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frames = 3 * fps
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for i in range(0, frames):
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yield (
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("cc-text", "style", "opacity", 1),
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("logo", "style", "opacity", 1),
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)
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# fadeout outro graphics
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frames = 3 * fps
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for i in range(0, frames):
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yield (
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("cc-text", "style", "opacity", easeOutQuad(i, 1, -1, frames)),
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("logo", "style", "opacity", easeOutQuad(i, 1, -1, frames)),
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)
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def debug():
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render(
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["intro.svg", "intro.flac"],
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"../intro.ts",
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introFrames,
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{
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"$title": "Long Long Long title is LONG ",
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"$personnames": "Long Name of Dr. Dr. Prof. Dr. Long Long",
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},
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)
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# render('outro.svg',
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# '../outro.mkv',
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# outroFrames
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# )
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def fit_text(string: str, max_width: int, font: ImageFont) -> list[str]:
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"""Break text into array of strings which fit certain a width (in pixels) for the specified font."""
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split_line = [x.strip() for x in string.split()]
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lines = []
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w = 0
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line = []
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for word in split_line:
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new_line = line + [word.rstrip(":")]
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w = font.getlength(" ".join(new_line))
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if w > max_width:
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lines.append(" ".join(line))
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line = []
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line.append(word.rstrip(":"))
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if word.endswith(":"):
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lines.append(" ".join(line))
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line = []
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if line:
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lines.append(" ".join(line))
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return lines
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def tasks(queue, args, idlist, skiplist):
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font = ImageFont.truetype(
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"../DIN1451Mittelschrift.ttf", size=74.6667, encoding="unic"
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)
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# iterate over all events extracted from the schedule xml-export
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for event in events(scheduleUrl):
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# if event["room"] not in ("Medientheater", "Vortragssaal", "Blauer Salon"):
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# print("skipping room %s (%s)" % (event["room"], event["title"]))
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# continue
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# if event["day"] not in ("0", "1", "2", "3", "4"):
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# print("skipping day %s" % (event["day"]))
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# continue
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if not (idlist == []):
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if 000000 in idlist:
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print("skipping id (%s [%s])" % (event["title"], event["id"]))
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continue
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if int(event["id"]) not in idlist:
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print("skipping id (%s [%s])" % (event["title"], event["id"]))
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continue
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# generate a task description and put it into the queue
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title_segments = fit_text(xmlescape(event["title"]), 1920, font)
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title = "".join(
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f'<tspan dy="1.1em" x="964.69553">{el}</tspan>' for el in title_segments
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)
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queue.put(
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Rendertask(
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infile=["intro.svg", "intro.flac"],
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outfile=str(event["id"]) + ".ts",
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sequence=introFrames,
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parameters={
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"$title": title,
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"$personnames": xmlescape(event["personnames"]),
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},
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)
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)
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# # place a task for the outro into the queue
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# if not "out" in skiplist:
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# queue.put(
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# Rendertask(infile="outro.svg", outfile="outro.ts", sequence=outroFrames)
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# )
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# if not "pause" in skiplist:
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# # place the pause-sequence into the queue
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# queue.put(
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# Rendertask(infile="pause.svg", outfile="pause.ts", sequence=pauseFrames)
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# )
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