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 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 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 _writeDataToFile(self, data, path, options): # create a iconset folder iconsetPath = tempfile.mkdtemp(suffix=".iconset") try: # get the complete pdf pdfDocument = Quartz.PDFDocument.alloc().initWithData_(data) pageCount = pdfDocument.pageCount() # set the image resolution options["imageResolution"] = 72 # make a copy and alter the resolution options_2x = dict(options) options_2x["imageResolution"] = 144 # start loop over all pages for index in range(pageCount): # get the pdf page page = pdfDocument.pageAtIndex_(index) # get the pdf page, this acts also as pdf document... pageData = page.dataRepresentation() # extract the size of the page _, (w, h) = page.boundsForBox_(Quartz.kPDFDisplayBoxArtBox) w = int(round(w)) h = int(round(h)) # dont allow any other size, the command iconutil will not work otherwise if w not in self.allowedPageSizes or w != h: raise DrawBotError( "The .icns can not be build with the size '%sx%s'. Must be either: %s" % (w, h, ", ".join( ["%sx%s" % (i, i) for i in self.allowedPageSizes]))) # generate a 72 dpi png in the iconset path pngPath = os.path.join(iconsetPath, "icon_%sx%s.png" % (w, h)) super(ICNSContext, self)._writeDataToFile(pageData, pngPath, options) # generate a 144 dpi png in the iconset path pngPath_2x = os.path.join(iconsetPath, "*****@*****.**" % (w, h)) super(ICNSContext, self)._writeDataToFile(pageData, pngPath_2x, options_2x) # collect all iconutil commands cmds = [ "iconutil", "--convert", "icns", "--output", path, iconsetPath, ] # execute the commands stdout, stderr = executeExternalProcess(cmds) finally: # always remove the iconset shutil.rmtree(iconsetPath)
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)
def _writeDataToFile(self, data, path, options): # create a iconset folder iconsetPath = tempfile.mkdtemp(suffix=".iconset") try: # get the complete pdf pdfDocument = Quartz.PDFDocument.alloc().initWithData_(data) pageCount = pdfDocument.pageCount() # set the image resolution options["imageResolution"] = 72 # make a copy and alter the resolution options_2x = dict(options) options_2x["imageResolution"] = 144 # start loop over all pages for index in range(pageCount): # get the pdf page page = pdfDocument.pageAtIndex_(index) # get the pdf page, this acts also as pdf document... pageData = page.dataRepresentation() # extract the size of the page _, (w, h) = page.boundsForBox_(Quartz.kPDFDisplayBoxArtBox) w = int(round(w)) h = int(round(h)) # dont allow any other size, the command iconutil will not work otherwise if w not in self.allowedPageSizes or w != h: raise DrawBotError("The .icns can not be build with the size '%sx%s'. Must be either: %s" % (w, h, ", ".join(["%sx%s" % (i, i) for i in self.allowedPageSizes]))) # generate a 72 dpi png in the iconset path pngPath = os.path.join(iconsetPath, "icon_%sx%s.png" % (w, h)) super(ICNSContext, self)._writeDataToFile(pageData, pngPath, options) # generate a 144 dpi png in the iconset path pngPath_2x = os.path.join(iconsetPath, "*****@*****.**" % (w, h)) super(ICNSContext, self)._writeDataToFile(pageData, pngPath_2x, options_2x) # collect all iconutil commands cmds = [ "iconutil", "--convert", "icns", "--output", path, iconsetPath, ] # execute the commands stdout, stderr = executeExternalProcess(cmds) finally: # always remove the iconset shutil.rmtree(iconsetPath)