Initial commit

timer_gif.R

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+# Libraries
+library(animation)
+library(dplyr)
+library(lubridate)
+library(ggplot2)
+
+# Blank ggplot theme
+blank_theme <- theme_bw() + 
+  theme(line = element_blank(), rect = element_blank(),
+        strip.text = element_blank(), axis.text = element_blank(),
+        plot.title = element_blank(), axis.title = element_blank(),
+        plot.margin = structure(c(0, 0, -1, -1), unit = "lines", 
+                                valid.unit = 3L, class = "unit"))
+
+# Create data frame of all the times to display
+df <- data_frame(timer = rev(format(seq(ymd_hms("2015-04-08 00:00:00"), 
+                                        ymd_hms("2015-04-08 00:00:00") + minutes(1), 
+                                        by="sec"), "%M:%S")))
+
+# Start recording
+ani.record(reset=TRUE)
+
+# Plot each time as text
+for (i in 1:nrow(df)) {
+  p <- ggplot(slice(df, i), aes(x=1, y=1, label=timer)) + 
+    geom_text(size=50, family="Source Sans Pro Light") + 
+    blank_theme
+  print(p)
+  ani.record()
+}
+
+# Save final animation
+# TODO: Looping doesn't work (maybe an ImageMagick/GIF problem though)
+saveGIF(ani.replay(), interval=1, movie.name="timer_r.gif", 
+        ani.width=600, ani.height=400, loop=1) 

timer_gif.py

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+#!/usr/bin/env python3
+# `brew install imagemagick --with-x11` to support `display` and `animate` commands
+# Verify x11 support with `convert --version`
+from wand.image import Image
+from wand.drawing import Drawing
+from wand.color import Color
+
+# Helpful links and documentation
+# http://docs.wand-py.org/en/0.4.0/guide/sequence.html
+# http://stackoverflow.com/questions/16544399/wand-python-multi-size-icon
+
+# TODO: Transparency doesn't work---previous images are overlaid and not antialiased
+# TODO: Make the gif not loop
+# MAYBE: Make font red for last 10ish seconds?
+
+# Timer settings
+filename = "timer_python.gif"
+bg_color = "white"
+seconds = 1 * 60
+
+# Generate time labels
+def nice_time(seconds):
+    m, s = divmod(seconds, 60)
+    # m can be subdivided to hours if needed:
+    # h, m = divmod(m, 60)
+    return("{0:02d}:{1:02d}".format(m, s))
+
+# from datetime import timedelta
+# lambda x: str(timedelta(seconds=x)) works great, but it doesn't let you
+# format the string however you want
+
+labels = list(map(nice_time, reversed(range(seconds + 1))))
+
+with Image() as gif:
+    for label in labels:
+        with Drawing() as draw:
+            draw.font = "SourceSansPro-Light.otf"
+            draw.font_size = 140
+            draw.text_alignment = "center"
+            draw.text_antialias = True
+
+            with Image(width=600, height=400, background=Color(bg_color)) as img:
+                x = int(img.width / 2)
+                y = int(img.height / 2)
+                draw.text(x, y, label)
+                draw.draw(img)
+                gif.sequence.append(img)
+
+    for frame in gif.sequence:
+        with frame:
+            frame.delay = 100  # Centiseconds
+
+    gif.save(filename=filename)