def write_secondary_postScript(primitive, functionName, writefile):
'''
takes a primitive, a description string. converts it to js readable data
input: primitive ( a joined list with raw commands )
input: the name of the current function. (each graphical element)
input: writefile, is the file we are writing to.
output: straight to file.
i'm not sure what is up with the coordinate system, it's not something i've
been able to find any useful information on. Applying assumptions seems a little
zealous. It seems like, if a primitive doesn't havea a fillColour, that unmodified
point coordinates are ok.
'''
global dashModeOn
global dashParameters
global strokeWidth
global currentColour
# subdivide into function lines.
primitive = regex_plotListString(primitive)
writefile.write("\nfunction " + functionName + "(){\n")
writefile.write(indent + "var point = new Point(0, " + rectHeight + ");\n")
# each time this function is called, it means a new path primitive is
# being requested. each primitive only has one path
writefile.write(indent + "var path = new Path();\n")
for instruction in primitive:
instruction = instruction.rstrip()
if instruction.startswith("[] 0.0 d"):
dashModeOn = False
continue
if instruction.endswith(" d"):
dashModeOn = True
dashParameters = parse_dash_params(instruction)
lineToWrite = indent + "path.dashArray = " + dashParameters + ";\n"
writefile.write(lineToWrite)
continue
if instruction.endswith(" m"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.moveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
continue
if instruction.endswith(" cm"):
# print(indent + instruction + " (store some data, no idea)")
continue
if instruction.endswith("l"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.lineTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
continue
if instruction.endswith("c"):
lineArray = instruction.split()
coordinates = convert_to_curve_parameters(lineArray)
lineToWrite = indent + "path.cubicCurveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
continue
# stroke information
if instruction.endswith("w"):
strokeWidth = instruction.split()[0]
lineToWrite = indent + "path.strokeWidth = " + strokeWidth + ";\n"
writefile.write(lineToWrite)
continue
if instruction.endswith("S"):
lineToWrite = indent + "path.strokeColor = " + currentColour + ";\n"
writefile.write(lineToWrite)
continue
if instruction.endswith("J"):
print(indent + instruction + " (a line cap)")
continue
if instruction.endswith("j"):
print(indent + instruction + " (a line join)")
continue
if instruction.endswith("M"):
lineArray = instruction.split()
lineToWrite = indent + "path.miterLimit = " + lineArray[0] + ";\n"
print(lineToWrite)
continue
# fixing
if instruction.endswith(" g") or instruction.endswith(" rg"):
currentColour = parse_colour_line(instruction)
continue
if instruction.endswith("f"):
print("found fill colour for primitive: " + currentColour)
lineToWrite = indent + "path.fillColor = " + currentColour + ";\n"
writefile.write(lineToWrite)
continue
# stroke closing
if instruction.endswith("h"):
lineToWrite = indent + "path.closePath();\n"
writefile.write(lineToWrite)
continue
print("if you see this, time to support extra commands")
print(instruction + "####")
writefile.write("}\n")
writefile.write(functionName + "();\n")
return
def write_primary_postScript(primitive, functionName, writefile):
'''
takes a primitive, a description string. converts it to js readable data
input: primitive ( a joined list with raw commands )
input: the name of the current function. (each graphical element)
input: writefile, is the file we are writing to.
output: straight to file.
This function is distinct from the write_secondary_postScript function because
it has to deal with multiple paths per shape, combining both functions into one
is the end goal and they share a lot of similar variable names and strategies.
'''
# global dashModeOn
# global dashParameters
# global strokeWidth
global currentColour
# subdivide into function lines.
primitive = regex_plotListString(primitive)
# transverse the primitive
for instruction in primitive:
print(instruction)
if instruction.endswith(" m"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.moveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
print(lineToWrite)
continue
if instruction.endswith("l"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.lineTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
continue
if instruction.endswith("c"):
lineArray = instruction.split()
coordinates = convert_to_curve_parameters(lineArray)
lineToWrite = indent + "path.cubicCurveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
continue
if instruction.endswith(" g") or instruction.endswith(" rg"):
currentColour = parse_colour_line(instruction)
continue
if instruction.endswith("f"):
print("found fill colour for primitive: " + currentColour)
lineToWrite = indent + "path.fillColor = " + currentColour + ";\n"
writefile.write(lineToWrite)
continue
# stroke closing
if instruction.endswith("h"):
lineToWrite = indent + "path.closePath();\n"
writefile.write(lineToWrite)
continue
print(instruction + "### uncaught" )
return
def write_primitive_postScript(primitive, functionName, writefile):
global dashModeOn
global dashParameters
global strokeWidth
print("function " + functionName + "(){\n")
print(indent + "var point = new Point(0, " + rectHeight + ");\n")
# each time this function is called, it means a new path primitive is
# being requested. each primitive only has one path
print(indent + "var path = new Path();\n")
for instruction in primitive:
if instruction.startswith("[] 0.0 d"):
dashModeOn = False
continue
if instruction.endswith("d"):
dashModeOn = True
dashParameters = parse_dash_params(instruction)
lineToWrite = indent + "path.dashArray = " + dashParameters + ";\n"
print(lineToWrite)
continue
if instruction.endswith(" m"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.moveTo(" + coordinates + ");\n"
print(lineToWrite)
continue
if instruction.endswith(" cm"):
print(indent + instruction + " (store some data, no idea)")
continue
if instruction.endswith("l"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + "path.lineTo(" + coordinates + ");\n"
print(lineToWrite)
continue
if instruction.endswith("c"):
lineArray = instruction.split()
coordinates = convert_to_curve_parameters(lineArray)
lineToWrite = indent + "path.cubicCurveTo(" + coordinates + ");\n"
print(lineToWrite)
continue
# stroke information
if instruction.endswith("w"):
strokeWidth = instruction.split()[0]
lineToWrite = indent + "path.strokeWidth = " + strokeWidth + ";\n"
print(lineToWrite)
continue
if instruction.endswith("S"):
lineToWrite = indent + "path.strokeColor = " + currentColour + ";\n"
print(lineToWrite)
continue
if instruction.endswith("J"):
print(indent + instruction + " (a line cap)")
continue
if instruction.endswith("j"):
print(indent + instruction + " (a line join)")
continue
if instruction.endswith("M"):
lineArray = instruction.split()
# print(indent + instruction + " (set miter limit)")
lineToWrite = indent + "path.miterLimit = " + lineArray[0] + ";\n"
print(lineToWrite)
continue
# stroke closing
if instruction.endswith("h"):
lineToWrite = indent + "path.closePath();\n"
print(lineToWrite)
continue
print("if you see this, time to support extra commands")
print(instruction)
print("\n}")
print(functionName + "();\n")
return
def write_postscript_functions(newPath, functionName, writefile):
'''
Create separated functions for each path/compound path, probably a backwards way..
input: parsed List of path commands for each glyph ( one glyph may contain 1 or more paths)
output: adds functions to the currently open file.
This function should be extended to deal with line objects that have width and stroke properties.
'''
writefile.write("function " + functionName + "(){\n")
numPaths = 0
lineCounter = 0
pathNames = []
indent = " "
# start writing this path (newPath) to the open file.
writefile.write(indent + "var point = new Point(0, " + rectHeight + ");\n")
for line in newPath:
# find a colour for this path.
if line.endswith(" g") or line.endswith(" rg"):
print("found colour information: " + line)
global currentColour
currentColour = parse_colour_line(line)
continue
# deals with the first new path creation.
pathname = "path" + str(numPaths)
if lineCounter == 0:
lineToPrint = indent + "var " + pathname + " = new Path();\n"
pathNames.append(pathname)
writefile.write(lineToPrint)
# catches the moveTo and lineTo strings.
lineArray = line.split()
foundChar = lineArray[-1]
if foundChar in ['m', 'l']:
coordinates = pointify_coordinates(lineArray[0:2])
command = set_command_value(foundChar)
# print(str(lineCounter) + "/" + str(len(newPath)))
if lineCounter >= len(newPath)-2:
break
else:
lineToPrint = indent + pathname + command + coordinates + ");\n"
lineCounter += 1
writefile.write(lineToPrint)
continue
# catches the cubicCurveTo string.
if foundChar == 'c':
command = set_command_value(foundChar)
coordinates = convert_to_curve_parameters(lineArray)
lineToPrint = indent + pathname + command + coordinates + ");\n"
lineCounter += 1
writefile.write(lineToPrint)
continue
# catches the closePath command.
if foundChar == 'h':
lineToPrint = indent + pathname + ".closePath();\n"
numPaths += 1
lineCounter += 1
writefile.write(lineToPrint)
if not lineCounter >= len(newPath)-2:
writefile.write("\n")
pathname = "path" + str(numPaths)
lineToPrint = indent + "var " + pathname + " = new Path();\n"
pathNames.append(pathname)
writefile.write(lineToPrint)
# deal with compoundpath
if len(pathNames) > 1:
paths = ", ".join(pathNames)
# use the autosorting function,
writefile.write("\n" + indent + "var unsortedPathList = [" + paths + "];\n")
writefile.write(indent + "unsortedPathList = remove_empty_paths(unsortedPathList);\n")
writefile.write(indent + "var sortedPathList = unsortedPathList.sort(sortOnBoundsSize);\n")
writefile.write(indent + "var compoundPath = new CompoundPath(sortedPathList);\n")
writefile.write(indent + "compoundPath.fillColor = " + currentColour + ";\n")
writefile.write(indent + "compoundPath.strokeColor = " + currentColour + ";\n")
else:
writefile.write(indent + "path0.fillColor = " + currentColour + ";\n")
writefile.write("}\n")
writefile.write(functionName+"();\n")
writefile.write("\n\n")
def write_primary_postScript(primitive, functionName, writefile):
'''
takes a primitive, a description string. converts it to js readable data
input: primitive ( a joined list with raw commands )
input: the name of the current function. (each graphical element)
input: writefile, is the file we are writing to.
output: straight to file.
This function is distinct from the write_secondary_postScript function because
it has to deal with multiple paths per shape, combining both functions into one
would be ideal as they share a lot of similarities.
Potentially i might be skipping a .closePath occasionally, [TODO] fix.
'''
# global dashModeOn
# global dashParameters
# global strokeWidth
global currentColour
# subdivide into function lines.
primitive = regex_plotListString(primitive)
writefile.write("\nfunction " + functionName + "(){\n")
writefile.write(indent + "var point = new Point(0, " + rectHeight + ");\n")
# each time this function is called, it means a new path primitive is
# being requested. each primitive only has one path
writefile.write(indent + "var path0 = new Path();\n")
# transverse the primitive
pathCounter = 0
commandCounter = -1
for instruction in primitive:
pathName = "path"+str(pathCounter)
commandCounter += 1
currentLine = commandCounter
totalLines = len(primitive)-1
if instruction.endswith(" m"):
# this avoids writing a hardware assuming moveTo.
if currentLine is not totalLines - 1:
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + pathName + ".moveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
# print(lineToWrite)
continue
if instruction.endswith("l"):
lineArray = instruction.split()
coordinates = pointify_coordinates(lineArray[0:2])
lineToWrite = indent + pathName + ".lineTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
# print(lineToWrite)
continue
if instruction.endswith("c"):
lineArray = instruction.split()
coordinates = convert_to_curve_parameters(lineArray)
lineToWrite = indent + pathName + ".cubicCurveTo(" + coordinates + ");\n"
writefile.write(lineToWrite)
# print(lineToWrite)
continue
if instruction.endswith(" g") or instruction.endswith(" rg"):
currentColour = parse_colour_line(instruction)
# print("currentColor: "+currentColour)
continue
# because fill is the last command of each 'filled' shape, we check how many
# paths the shape has, if more than one we add the compound function, and
# set the compound.fillColor instead.
if instruction.endswith("f"):
if pathCounter == 0:
print("found fill colour for shape: " + currentColour)
lineToWrite = indent + pathName + ".fillColor = " + currentColour + ";\n"
writefile.write(lineToWrite)
# print(lineToWrite)
continue
if pathCounter >= 1:
print(pathCounter+1)
pathList = ["path"+str(i) for i in range(pathCounter+1)]
pathListString = ", ".join(pathList)
lineToWrite = indent + "var unsortedList = [" + pathListString + "];\n"
writefile.write(lineToWrite)
lineToWrite = indent + "var sortedList = unsortedList.sort(sortOnBoundsSize);\n"
writefile.write(lineToWrite)
lineToWrite = indent + "var compoundPath = new CompoundPath(sortedList);\n"
writefile.write(lineToWrite)
lineToWrite = indent + "compoundPath.fillColor = " + currentColour + ";\n"
writefile.write(lineToWrite)
continue
# stroke closing
if instruction.endswith("h"):
if currentLine is totalLines-2:
continue
else:
lineToWrite = indent + pathName + ".closePath();\n"
writefile.write(lineToWrite)
pathCounter += 1
pathName = "path"+str(pathCounter)
writefile.write(indent + "var " + pathName + " = new Path();\n")
# print(lineToWrite)
continue
print(instruction + "### uncaught" )
writefile.write("\n}\n")
writefile.write(functionName + "();\n")
return
