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brightnesscontrast.py
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brightnesscontrast.py
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import laserengrave
from PIL import Image, ImageFile, ImageFilter, ImageEnhance, ImagePath, ImageDraw, ImageOps, ImageTk, ImageChops
from subprocess import Popen, PIPE
import sys
from tkinter import filedialog, Tk, Button, Canvas, Label, IntVar, StringVar, DoubleVar, Checkbutton, Entry
import tkinter
# import gmic
#
# an image viewer
LASERMIN = 6
LASERMAX = 100
MAXSPEED = 4000
MINSPEED = 1300
CONTOURSPEED = 1000
IMAGEWIDTHMM = 150
IMAGEHEIGHTMM = 0
PASSESPERXMM = 8
PASSESPERYMM = 8
PLOTCONTOUR = 0
PAINTING = 0
PRINTRASTER = 1
EQUALIZE = 0
AUTOCONTRAST = 0
EDGEENHANCE = 0
EDGEENHANCEMORE = 0
FINDEDGES = 0
OBJECTWIDTH = 200
OBJECTHEIGHT = 200
XOFFSET = 0.0
CHKXCENTER = 0
YOFFSET = 0.0
CHKYCENTER = 0
class UI(tkinter.Frame):
def __init__(self, master, brightness=1, contrast=1, sharpness=1):
tkinter.Frame.__init__(self, master)
self.brightness_var = DoubleVar()
self.contrast_var = DoubleVar()
self.sharpness_var = DoubleVar()
self.painting_var = IntVar()
self.unsharp_var = IntVar()
self.edgeenhance_var = IntVar()
self.edgeenhancemore_var = IntVar()
self.findedges_var = IntVar()
self.show_dithered_var = IntVar()
self.plot_contour_var = IntVar()
self.x_center_var = IntVar()
self.y_center_var = IntVar()
self.print_raster_var = IntVar()
self.equalize_var = IntVar()
self.autocontrast_var = IntVar()
self.imagewidthmm_var = StringVar()
self.imageheightmm_var = StringVar()
self.objectwidthmm_var = StringVar()
self.objectheightmm_var = StringVar()
self.passperxmm_var = StringVar()
self.passperymm_var = StringVar()
self.minspeed_var = StringVar()
self.maxspeed_var = StringVar()
self.posx = 1500/2
self.posy = 900/2
self.scan_markx = 0
self.scan_marky = 0
self.scan_dx = 0
self.scan_dy = 0
global IMAGEHEIGHTMM
'''This class configures and populates the toplevel window.
top is the toplevel containing window.'''
_bgcolor = '#d9d9d9' # X11 color: 'gray85'
_fgcolor = '#000000' # X11 color: 'black'
_compcolor = '#d9d9d9' # X11 color: 'gray85'
_ana1color = '#d9d9d9' # X11 color: 'gray85'
_ana2color = '#ececec' # Closest X11 color: 'gray92'
self.Frame1 = tkinter.Frame(
width=250, height=900, bg="", colormap="new")
self.Frame1.place(relx=0.005, rely=0.01, relheight=0.95)
self.filename = tkinter.filedialog.askopenfilename(
initialdir="./", title="Select file", filetypes=(("image files", "*.jpg *.png"), ("all files", "*.*")))
self.image = Image.open(self.filename).convert("L")
# self.image = self.image.Image.crop(self.image.Image.getbox())
# painting_cmd = ["gmic", self.filename, "fx_painting",
# "8,0.4,0,0,0,0", "output", "painting.jpg"]
# p = Popen(painting_cmd)
# p.communicate()
self.painting = Image.open("painting.jpg").convert("L")
self.Frame1.configure(relief='groove')
self.Frame1.configure(borderwidth="2")
self.Frame1.configure(relief="groove")
self.Frame1.configure(background="#d9d9d9")
self.Frame1.pack(side=tkinter.LEFT)
self.canvas = tkinter.Canvas(
self, width=1500, height=900)
self.backdrop = ImageTk.PhotoImage(self.image)
self.canvas.create_image(
1500/2, 900/2, image=self.backdrop, anchor=tkinter.CENTER)
self.canvas.pack(side=tkinter.LEFT)
self.canvas.bind("<ButtonPress-1>", self.scroll_start)
self.canvas.bind("<ButtonRelease-1>", self.scroll_end)
# self.canvas.place(x=205, y=1,width=1500, height=900)
scale_brightness = tkinter.Scale(self.Frame1, orient=tkinter.HORIZONTAL, from_=0, to=3,
resolution=0.01, command=self.redraw,
length=256, variable=self.brightness_var)
scale_brightness.set(brightness)
scale_brightness.bind("<ButtonRelease-1>", self.redraw)
scale_contrast = tkinter.Scale(self.Frame1, orient=tkinter.HORIZONTAL, from_=0, to=2,
resolution=0.01, command=self.redraw,
length=256, variable=self.contrast_var)
scale_contrast.set(contrast)
scale_contrast.bind("<ButtonRelease-1>", self.redraw)
scale_sharpness = tkinter.Scale(self.Frame1, orient=tkinter.HORIZONTAL, from_=0, to=3,
resolution=0.05, command=self.redraw,
length=256, variable=self.sharpness_var)
scale_sharpness.set(1)
scale_sharpness.bind("<ButtonRelease-1>", self.redraw)
chk_plot_contour = Checkbutton(
self.Frame1, text='Plot Contour', variable=self.plot_contour_var, command=self.test_plot_contour)
chk_print_raster = Checkbutton(
self.Frame1, text='Raster Print', variable=self.print_raster_var, command=self.test_print_raster)
chk_painting = Checkbutton(
self.Frame1, text='Painting effect', variable=self.painting_var, command=self.redraw)
chk_autocontrast = Checkbutton(
self.Frame1, text='Autocontrast', variable=self.autocontrast_var, command=self.redraw)
chk_equalize = Checkbutton(
self.Frame1, text='Equalize', variable=self.equalize_var, command=self.redraw)
chk_unsharp = Checkbutton(
self.Frame1, text='Unsharp Mask', variable=self.unsharp_var, command=self.redraw)
chk_findedges = Checkbutton(
self.Frame1, text='Find Edges', variable=self.findedges_var, command=self.redraw)
chk_edgeenhance = Checkbutton(
self.Frame1, text='Edge Enhance', variable=self.edgeenhance_var, command=self.redraw)
chk_edgeenhancemore = Checkbutton(
self.Frame1, text='Enhance More', variable=self.edgeenhancemore_var, command=self.redraw)
chk_show_dithered = Checkbutton(
self.Frame1, text='Show dithered', variable=self.show_dithered_var, command=self.redraw, anchor="w")
chk_center_x = Checkbutton(
self.Frame1, text='Center image on X', variable=self.x_center_var, command=self.test_center)
chk_center_y = Checkbutton(
self.Frame1, text='Center image on Y', variable=self.y_center_var, command=self.test_center)
loadImage = Button(
self.Frame1, text="Load Image", command=self.loadImage)
exportGcode = Button(
self.Frame1, text="Export Gcode", command=self.gcode)
r = 0
scale_contrast.grid(row=r, columnspan=2)
r += 1
scale_brightness.grid(row=r, columnspan=2)
r += 1
scale_sharpness.grid(row=r, columnspan=2)
r += 1
chk_autocontrast.grid(row=r, column=0, sticky=tkinter.W)
chk_equalize.grid(row=r, column=1, sticky=tkinter.W)
r += 1
chk_unsharp.grid(row=r, column=0, sticky=tkinter.W)
chk_painting.grid(row=r, column=1, sticky=tkinter.W)
r += 1
chk_edgeenhance.grid(row=r, column=0, sticky=tkinter.W)
chk_edgeenhancemore.grid(row=r, column=1, sticky=tkinter.W)
r += 1
chk_findedges.grid(row=r, column=0, sticky=tkinter.W)
chk_show_dithered.grid(row=r, column=1, sticky=tkinter.W)
r += 1
chk_plot_contour.grid(row=r, column=0, sticky=tkinter.W)
chk_print_raster.grid(row=r, column=1, sticky=tkinter.W)
r += 1
chk_center_x.grid(row=r, column=0, sticky=tkinter.W)
chk_center_y.grid(row=r, column=1, sticky=tkinter.W)
r += 1
self.width_entry = Entry(
self.Frame1, textvariable=self.imagewidthmm_var, state=tkinter.NORMAL)
self.maxspeed_entry = Entry(
self.Frame1, textvariable=self.maxspeed_var, state=tkinter.NORMAL)
self.minspeed_entry = Entry(
self.Frame1, textvariable=self.minspeed_var, state=tkinter.NORMAL)
self.height_entry = Entry(
self.Frame1, textvariable=self.imageheightmm_var)
self.objheight_entry = Entry(
self.Frame1, textvariable=self.objectheightmm_var)
self.objwidth_entry = Entry(
self.Frame1, textvariable=self.objectwidthmm_var, state=tkinter.NORMAL)
self.passperx_entry = Entry(
self.Frame1, textvariable=self.passperxmm_var)
self.passpery_entry = Entry(
self.Frame1, textvariable=self.passperymm_var)
self.maxspeed_entry.insert(0, MAXSPEED)
self.minspeed_entry.insert(0, MINSPEED)
self.passperx_entry.insert(0, PASSESPERXMM)
self.passpery_entry.insert(0, PASSESPERYMM)
self.objwidth_entry.insert(0, OBJECTWIDTH)
self.objheight_entry.insert(0, OBJECTHEIGHT)
self.objheight_entry.bind("<Return>", self.test_obj)
self.objheight_entry.bind("<FocusOut>", self.test_obj)
self.objwidth_entry.bind("<Return>", self.test_obj)
self.objheight_entry.bind("<FocusOut>", self.test_obj)
self.minspeed_entry.bind("<Return>", self.test_speed)
self.minspeed_entry.bind("<FocusOut>", self.test_speed)
self.maxspeed_entry.bind("<Return>", self.test_speed)
self.maxspeed_entry.bind("<FocusOut>", self.test_speed)
self.passperx_entry.bind("<Return>", self.redraw)
self.passperx_entry.bind("<FocusOut>", self.redraw)
self.passpery_entry.bind("<Return>", self.redraw)
self.passpery_entry.bind("<FocusOut>", self.redraw)
self.height_entry.bind("<Return>", self.redraw)
self.height_entry.bind("<FocusOut>", self.redraw)
self.width_entry.insert(0, str(IMAGEWIDTHMM))
IMAGEHEIGHTMM = int(IMAGEWIDTHMM*self.image.size[1]/self.image.size[0])
self.height_entry.insert(0, str(IMAGEHEIGHTMM))
self.width_entry.bind("<Return>", self.redraw)
self.width_entry.bind("<FocusOut>", self.redraw)
Label(self.Frame1, text="Width(mm)").grid(row=r, sticky=tkinter.E)
self.width_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Height(mm)").grid(row=r, sticky=tkinter.E)
self.height_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="X pass/mm").grid(row=r, sticky=tkinter.E)
self.passperx_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Y pass/mm").grid(row=r, sticky=tkinter.E)
self.passpery_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Maximum Speed (mm/s)").grid(row=r, sticky=tkinter.E)
self.maxspeed_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Minimum Speed (mm/s) ").grid(row=r, sticky=tkinter.E)
self.minspeed_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Object width (mm)").grid(
row=r, sticky=tkinter.E)
self.objwidth_entry.grid(row=r, column=1)
r += 1
Label(self.Frame1, text="Object height (mm)").grid(
row=r, sticky=tkinter.E)
self.objheight_entry.grid(row=r, column=1)
r += 1
loadImage.grid(row=r, columnspan=2, sticky=tkinter.E)
r += 1
exportGcode.grid(row=r, columnspan=2, sticky=tkinter.E)
def scroll_start(self, event):
self.scan_markx = int(event.x)
self.scan_marky = int(event.y)
def scroll_end(self, event):
self.scan_dx = int(event.x)-self.scan_markx
self.scan_dy = int(event.y)-self.scan_marky
self.redraw()
self.scan_dy = 0
self.scan_dx = 0
def test_plot_contour(self):
global PLOTCONTOUR
PLOTCONTOUR = self.plot_contour_var.get()
def test_print_raster(self):
global PRINTRASTER
PRINTRASTER = self.print_raster_var.get()
def test_center(self):
global CHKXCENTER
global CHKYCENTER
CHKXCENTER = self.x_center_var.get()
CHKYCENTER = self.y_center_var.get()
print("center horizontal:"+str(CHKXCENTER))
print("center vertical:"+str(CHKYCENTER))
def test_obj(self, event):
global OBJECTHEIGHT
global OBJECTWIDTH
OBJECTWIDTH = int(self.objectwidthmm_var.get())
OBJECTHEIGHT = int(self.objectheightmm_var.get())
print("Object size set to "+str(OBJECTWIDTH)+"x"+str(OBJECTHEIGHT)+" mm")
def test_speed(self, event):
global MAXSPEED
global MINSPEED
MAXSPEED = int(self.maxspeed_var.get())
MINSPEED = int(self.minspeed_var.get())
print("minspeed set to "+str(MINSPEED)+" mm/s")
print("maxspeed set to "+str(MAXSPEED)+" mm/s")
def gcode(self):
saveas = tkinter.filedialog.asksaveasfilename(initialdir="w:/",
filetypes=[("LinuxCNC", "*.ngc")])
print("exporting Gcode")
XOFFSET = float(CHKXCENTER*(OBJECTWIDTH-IMAGEWIDTHMM))/2
print("xoffset="+str(XOFFSET))
laserengrave.OutputRaster(im2, saveas, LASERMIN, LASERMAX, MAXSPEED, MINSPEED,
CONTOURSPEED, IMAGEWIDTHMM, IMAGEHEIGHTMM, PASSESPERXMM, PASSESPERYMM, XOFFSET, 0.0)
print("finished Gcode export")
def redraw(self, event=None):
global im2
global IMAGEWIDTHMM
global IMAGEHEIGHTMM
global PASSESPERYMM
global PASSESPERXMM
self.posx += self.scan_dx
self.posy += self.scan_dy
new_width = int(self.imagewidthmm_var.get())
new_height = int(self.imageheightmm_var.get())
PASSESPERXMM = float(self.passperxmm_var.get())
PASSESPERYMM = float(self.passperymm_var.get())
im2 = self.image
if self.painting_var.get():
im2 = self.painting
if new_width != IMAGEWIDTHMM:
IMAGEWIDTHMM = new_width
IMAGEHEIGHTMM = int(
IMAGEWIDTHMM*im2.size[1]/im2.size[0])
self.height_entry.delete(0, 'end')
self.height_entry.insert(0, str(IMAGEHEIGHTMM))
elif new_height != IMAGEHEIGHTMM:
IMAGEHEIGHTMM = new_height
IMAGEWIDTHMM = int(
IMAGEHEIGHTMM*im2.size[0]/im2.size[1])
self.width_entry.delete(0, 'end')
self.width_entry.insert(0, str(IMAGEWIDTHMM))
im2 = ImageEnhance.Brightness(im2)
im2 = im2.enhance(self.brightness_var.get())
im2 = ImageEnhance.Contrast(im2)
im2 = im2.enhance(self.contrast_var.get())
im2 = ImageEnhance.Sharpness(im2)
im2 = im2.enhance(self.sharpness_var.get())
if self.equalize_var.get():
im2 = ImageOps.equalize(im2)
if self.autocontrast_var.get():
im2 = ImageOps.autocontrast(im2)
if self.unsharp_var.get():
im2 = im2.filter(ImageFilter.UnsharpMask(
radius=2, percent=350, threshold=3))
if self.edgeenhancemore_var.get():
im2 = im2.filter(ImageFilter.EDGE_ENHANCE_MORE)
elif self.edgeenhance_var.get():
im2 = im2.filter(ImageFilter.EDGE_ENHANCE)
new_size = (int(IMAGEWIDTHMM*PASSESPERXMM),
int(im2.size[1]*IMAGEWIDTHMM*PASSESPERYMM/im2.size[0]))
im2 = im2.resize(new_size)
new_size2 = (int(new_size[0]*PASSESPERYMM /
PASSESPERXMM), int(new_size[1]))
if self.findedges_var.get():
im3 = im2
im2 = im2.filter(ImageFilter.FIND_EDGES)
im2 = ImageOps.invert(im2)
# im2 = ImageChops.darker(im2, im3)
# im2 = Image.blend(im2, im3, 0.5)
im2 = ImageChops.add_modulo(im2, im3)
if self.show_dithered_var.get():
im2 = im2.convert("1")
show_im2 = im2.resize(new_size2)
self.overlay = ImageTk.PhotoImage(show_im2)
txt = self.filename
txt += "\nSize: "+str(im2.size[0])+" x "+str(im2.size[1])+"\n"
txt += "Width: "+str(IMAGEWIDTHMM)+" mm\n"
txt += "Height: "+str(IMAGEHEIGHTMM)+" mm\n"
# update canvas
self.canvas.delete("all")
self.canvas.create_image(
self.posx, self.posy, image=self.overlay, anchor=tkinter.CENTER)
self.canvas.create_text(
25, 20, justify=tkinter.LEFT, anchor=tkinter.NW, text=txt, fill="#F2F")
def loadImage(self):
self.filename = tkinter.filedialog.askopenfilename(
initialdir="./", title="Select file", filetypes=(("image files", "*.jpg *.png"), ("all files", "*.*")))
self.image = Image.open(self.filename).convert("L")
# painting_cmd = ["gmic", self.filename, "fx_painting",
# "8,0.4,0,0,0,0", "output", "painting.jpg"]
# p = Popen(painting_cmd)
# p.communicate()
self.painting = Image.open("painting.jpg").convert("L")
self.redraw(self)
# ---------------------------------------------------------------------
# --------------------------------------------------------------------
# main
root = tkinter.Tk()
root.title("LinuxCNC Laser")
UI(root).pack()
root.mainloop()
print(PLOTCONTOUR, PRINTRASTER)
print(PASSESPERXMM, PASSESPERYMM)