def TraceImage(path, outPen, threshold=.2, blur=None, invert=False, turd=2, tolerance=0.2, offset=None):
potrace = getExternalToolPath(os.path.dirname(__file__), "potrace")
mkbitmap = getExternalToolPath(os.path.dirname(__file__), "mkbitmap")
if isinstance(path, ImageObject):
image = path
else:
image = ImageObject(path)
x, y = image.offset()
w, h = image.size()
imagePath = tempfile.mktemp(".bmp")
bitmapPath = tempfile.mktemp(".pgm")
svgPath = tempfile.mktemp(".svg")
saveImageAsBitmap(image, imagePath)
assert mkbitmap is not None
cmds = [mkbitmap, "-x", "-t", str(threshold)]
if blur:
cmds.extend(["-b", str(blur)])
if invert:
cmds.extend(["-i"])
cmds.extend([
# "-g",
# "-1",
"-o",
bitmapPath,
imagePath
])
log = executeExternalProcess(cmds)
if log != ('', ''):
print(log)
assert potrace is not None
cmds = [potrace, "-s"]
cmds.extend(["-t", str(turd)])
cmds.extend(["-O", str(tolerance)])
cmds.extend(["-o", svgPath, bitmapPath])
log = executeExternalProcess(cmds)
if log != ('', ''):
print(log)
importSVGWithPen(svgPath, outPen, (x, y, w, h), offset)
os.remove(imagePath)
os.remove(svgPath)
os.remove(bitmapPath)
def TraceImage(path, outPen, threshold=.2, blur=None, invert=False, turd=2, tolerance=0.2, offset=None):
potrace = getExternalToolPath(os.path.dirname(__file__), "potrace")
mkbitmap = getExternalToolPath(os.path.dirname(__file__), "mkbitmap")
if isinstance(path, ImageObject):
image = path
else:
image = ImageObject(path)
x, y = image.offset()
w, h = image.size()
imagePath = tempfile.mktemp(".bmp")
bitmapPath = tempfile.mktemp(".pgm")
svgPath = tempfile.mktemp(".svg")
saveImageAsBitmap(image, imagePath)
assert mkbitmap is not None
cmds = [mkbitmap, "-x", "-t", str(threshold)]
if blur:
cmds.extend(["-b", str(blur)])
if invert:
cmds.extend(["-i"])
cmds.extend([
# "-g",
# "-1",
"-o",
bitmapPath,
imagePath
])
log = executeExternalProcess(cmds)
if log != ('', ''):
print(log)
assert potrace is not None
cmds = [potrace, "-s"]
cmds.extend(["-t", str(turd)])
cmds.extend(["-O", str(tolerance)])
cmds.extend(["-o", svgPath, bitmapPath])
log = executeExternalProcess(cmds)
if log != ('', ''):
print(log)
importSVGWithPen(svgPath, outPen, (x, y, w, h), offset)
os.remove(imagePath)
os.remove(svgPath)
os.remove(bitmapPath)
def generateGif(sourcePaths, destPath, delays):
gifsiclePath = getExternalToolPath(os.path.dirname(__file__), "gifsicle")
assert gifsiclePath is not None
cmds = [
# gifsicle path
gifsiclePath,
# optimize level
# "-O3",
# ignore warnings
"-w",
# force to 256 colors
"--colors",
"256",
# make it loop
"--loop",
]
# add source paths with delay for each frame
for i, inputPath in enumerate(sourcePaths):
cmds += [
# add the frame duration
"--delay",
"%i" % delays[i],
# add the input gif for each frame
inputPath
]
cmds += [
# output path
"--output",
destPath
]
executeExternalProcess(cmds)
# remove the temp input gifs
for inputPath in sourcePaths:
os.remove(inputPath)
def generateGif(sourcePaths, destPath, delays):
gifsiclePath = getExternalToolPath(os.path.dirname(__file__), "gifsicle")
assert gifsiclePath is not None
cmds = [
# gifsicle path
gifsiclePath,
# optimize level
# "-O3",
# ignore warnings
"-w",
# force to 256 colors
"--colors", "256",
# make it loop
"--loop",
]
# add source paths with delay for each frame
for i, inputPath in enumerate(sourcePaths):
cmds += [
# add the frame duration
"--delay", "%i" % delays[i],
# add the input gif for each frame
inputPath
]
cmds += [
# output path
"--output",
destPath
]
executeExternalProcess(cmds)
# remove the temp input gifs
for inputPath in sourcePaths:
os.remove(inputPath)
def generateMP4(imageTemplate, mp4path, frameRate, codec="libx264"):
ffmpegPath = getExternalToolPath(os.path.dirname(__file__), "ffmpeg")
assert ffmpegPath is not None
cmds = [
# ffmpeg path
ffmpegPath,
"-y", # overwrite existing files
"-loglevel", "16", # 'error, 16' Show all errors, including ones which can be recovered from.
"-r", str(frameRate), # frame rate
"-i", imageTemplate, # input sequence
"-c:v", codec, # codec
"-crf", "20", # Constant Rate Factor
"-pix_fmt", "yuv420p", # pixel format
mp4path, # output path
]
executeExternalProcess(cmds)
def _explodeGif(path):
gifsiclePath = getExternalToolPath(os.path.dirname(__file__), "gifsicle")
if isinstance(path, AppKit.NSURL):
path = path.path()
destRoot = tempfile.mkdtemp()
cmds = [
gifsiclePath,
# explode
"--explode",
# source path
path
]
executeExternalProcess(cmds, cwd=destRoot)
files = os.listdir(destRoot)
_explodedGifCache[path] = dict(
source=destRoot,
fileNames=files,
)
def _explodeGif(path):
gifsiclePath = getExternalToolPath(os.path.dirname(__file__), "gifsicle")
if isinstance(path, AppKit.NSURL):
path = path.path()
destRoot = tempfile.mkdtemp()
cmds = [
gifsiclePath,
# explode
"--explode",
# source path
path
]
executeExternalProcess(cmds, cwd=destRoot)
files = os.listdir(destRoot)
_explodedGifCache[path] = dict(
source=destRoot,
fileNames=files,
)
def generateMP4(imageTemplate, mp4path, frameRate):
ffmpegPath = getExternalToolPath(os.path.dirname(__file__), "ffmpeg")
assert ffmpegPath is not None
cmds = [
# ffmpeg path
ffmpegPath,
"-y", # overwrite existing files
"-loglevel",
"16", # 'error, 16' Show all errors, including ones which can be recovered from.
"-r",
str(frameRate), # frame rate
"-i",
imageTemplate, # input sequence
"-c:v",
"libx264", # codec
"-crf",
"20", # Constant Rate Factor
"-pix_fmt",
"yuv420p", # pixel format
mp4path, # output path
]
executeExternalProcess(cmds)
from drawBot.context.baseContext import BezierPath
from drawBot.context import subscribeContext
from drawBot.misc import getExternalToolPath
from mojo.events import addObserver
from mojo.extensions import getExtensionDefault
from drawBotController import DrawBotController
import glyphContext
# add drawBot to the sys path
sys.path.append(os.path.dirname(__file__))
# set the gifsicle tool as executable
gifsicle = getExternalToolPath(
os.path.join(os.path.dirname(__file__), "drawBot", "context", "tools"),
"gifsicle")
potrace = getExternalToolPath(
os.path.join(os.path.dirname(__file__), "drawBot", "context", "tools"),
"potrace")
mkbitmap = getExternalToolPath(
os.path.join(os.path.dirname(__file__), "drawBot", "context", "tools"),
"mkbitmap")
os.chmod(gifsicle, 0o0755)
os.chmod(potrace, 0o0755)
os.chmod(mkbitmap, 0o0755)
# add a drawGlyph callback
def drawGlyph(glyph):
if hasattr(glyph, "getRepresentation"):