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displayImage.py
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displayImage.py
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import sys
import cv2
import numpy as np
from displayParameters import *
def generateImage(mazeData, path_list=None):
m, n = len(mazeData), len(mazeData[0])
adjustedBoxWidth = adjustBoxWidth(n, m)
width = (adjustedBoxWidth * n) + (2*margin)
height = (adjustedBoxWidth * m) + (2*margin)
maze = np.zeros((height,width,3),np.uint8)
pathFrame = []
# Margin
maze = drawBoundary(width,height,maze)
# Source Box data
s_x = None
s_y = None
s_floor = None
s_loki = None
to_animate = False
x, y = margin, margin
for row in mazeData:
wall = -1
top_floor = -1
floor = -1
top_floor = (top_floor+1)%2
for value in row:
if value == '1':
wall = (wall+1)%2
img = cv2.imread(f"img/walls/{wall}.png")
img = cv2.resize(img,(adjustedBoxWidth,adjustedBoxWidth))
maze[y:(y+adjustedBoxWidth),x:(x+adjustedBoxWidth),:] = img
elif value == '0' or value == 'P' or value == 'p':
floor = (floor+1)%2
img = cv2.imread(f"img/floor/{top_floor}{floor}.png")
img = cv2.resize(img,(adjustedBoxWidth,adjustedBoxWidth))
maze[y:(y+adjustedBoxWidth),x:(x+adjustedBoxWidth),:] = img
if value == 'P' or value == 'p':
to_animate = True
pathFrame.append(((int(x+(adjustedBoxWidth/2))),(int(y+(adjustedBoxWidth/2)))))
elif value == 'S' or value == 's':
s_img = cv2.imread("img/loki3_transparent_resized.png")
s_img = cv2.resize(s_img,(adjustedBoxWidth,adjustedBoxWidth))
floor = (floor+1)%2
l_img = cv2.imread(f"img/floor/{top_floor}{floor}.png")
l_img = cv2.resize(l_img,(adjustedBoxWidth,adjustedBoxWidth))
#For animation purpose (maze without loki image)---v
s_x = x
s_y = y
s_floor = l_img.copy()
s_loki = s_img.copy()
#--------------------------------------------------^
img = addObject(l_img,s_img,10)
maze[y:(y+adjustedBoxWidth),x:(x+adjustedBoxWidth),:] = img
elif value == 'D' or value == 'd':
s_img = cv2.imread("img/tessract.png")
s_img = cv2.resize(s_img,(adjustedBoxWidth,adjustedBoxWidth))
floor = (floor+1)%2
l_img = cv2.imread(f"img/floor/{top_floor}{floor}.png")
l_img = cv2.resize(l_img,(adjustedBoxWidth,adjustedBoxWidth))
img = addObject(l_img,s_img,25)
maze[y:(y+adjustedBoxWidth),x:(x+adjustedBoxWidth),:] = img
x += adjustedBoxWidth
x = margin
y += (adjustedBoxWidth)
maze2 = maze.copy()
if s_x is not None and s_y is not None:
maze2[s_y:(s_y+adjustedBoxWidth),s_x:(s_x+adjustedBoxWidth),:] = s_floor
####################################################################################
if to_animate:
animate(maze2, s_loki, path_list, steps, adjustedBoxWidth)
####################################################################################
else:
return maze, maze2, s_loki, adjustedBoxWidth
def adjustBoxWidth(width, height):
if width >= 95 or height >= 67:
return int(boxWidth/2.2)
elif width >= 67 or height >= 50:
return int(boxWidth/1.78)
elif width >= 50 or height >= 39:
return int(boxWidth/1.6666)
else:
return boxWidth
def drawBoundary(width,height,maze):
left = cv2.imread("img/boundary/0.png")
length = (left.shape[0]//left.shape[1])*10
left = cv2.resize(left,(margin,length))
top = cv2.rotate(left,cv2.ROTATE_90_CLOCKWISE)
bottom = cv2.rotate(left,cv2.ROTATE_90_COUNTERCLOCKWISE)
right = cv2.rotate(left,cv2.ROTATE_180)
# Drawing left & right boundary
n = (height//length)+1
overflowy = int(((height/length)-(height//length))*length)
y=0
for i in range(n):
if i == n-1:
maze[y:(y+overflowy),0:margin,:] = left[0:overflowy,0:margin,:]
maze[y:(y+overflowy),(width-margin):width,:] = right[0:overflowy,0:margin,:]
else:
maze[y:(y+length),0:margin,:] = left
maze[y:(y+length),(width-margin):width,:] = right
y = y+length
# Drawing top & bottom boundary
offset = margin*.8
n = ((width-(2*offset))//length)+1
overflowx = int((((width-(2*offset))/length)-((width-(2*offset))//length))*length)
x=int(offset)
for i in range(int(n)):
if i == n-1:
maze[0:margin,x:(x+overflowx),:] = top[0:margin,0:overflowx,:]
maze[(height-margin):height,x:(x+overflowx),:] = bottom[0:margin,0:overflowx,:]
else:
maze[0:margin,x:(x+length),:] = top
maze[(height-margin):height,x:(x+length),:] = bottom
x = x+length
return maze
def addObject(background,logo,threshold):
height, width, channels = logo.shape
roi = background[0:height,0:width]
logoGray = cv2.cvtColor(logo,cv2.COLOR_BGR2GRAY)
ret, mask = cv2.threshold(logoGray,threshold,255,cv2.THRESH_BINARY)
mask_inv = cv2.bitwise_not(mask)
bg = cv2.bitwise_and(roi,roi,mask=mask_inv)
fg = cv2.bitwise_and(logo,logo,mask=mask)
img = cv2.add(bg,fg)
background[0:height,0:width] = img
return background
def animate(maze, loki, path, steps, adjustedBoxWidth):
path = calculatePoints(path, adjustedBoxWidth)
depth = margin-2
width = (adjustedBoxWidth>>1)+depth
floki = np.zeros((loki.shape[0]+(depth<<1), loki.shape[1]+(depth<<1), 3), np.uint8)
floki[depth:(depth+loki.shape[0]), depth:(depth+loki.shape[1]), :] = loki
for dir, point, dst in path:
shift = (dst*adjustedBoxWidth)//steps
x, y = point
for i in range(steps):
if dir == 'left':
x = x-shift
if dir == 'right':
x = x+shift
if dir == 'up':
y = y-shift
elif dir == 'down':
y = y+shift
#################################
roi = maze[(y-width):(y+width), (x-width):(x+width), :]
result = addObject(roi.copy(),floki,10)
cv2.line(maze, point, (x,y), (245,117,170), 2)
fmaze = maze.copy()
fmaze[(y-width):(y+width), (x-width):(x+width), :] = result
#################################
cv2.imshow("TREASURE HUNTER",fmaze)
k = cv2.waitKey(13)
if k == ord('q'):
cv2.destroyAllWindows()
return
elif k == ord(' '):
l = cv2.waitKey(0)
if l == ord('q'):
cv2.destroyAllWindows()
return
elif l == ord(' '):
pass
cv2.waitKey(0)
cv2.destroyAllWindows()
def calculatePoints(path, adjustedBoxWidth):
points = []
for i,point in enumerate(path):
x = margin + (point[0]*adjustedBoxWidth) + (adjustedBoxWidth>>1)
y = margin + (point[1]*adjustedBoxWidth) + (adjustedBoxWidth>>1)
if i<len(path)-1:
diff_x = point[0]-path[i+1][0]
diff_y = point[1]-path[i+1][1]
if diff_x<0 and diff_y==0: #right
points.append(("right",(x,y),(-diff_x)))
elif diff_x>0 and diff_y==0: #left
points.append(("left",(x,y),diff_x))
elif diff_x==0 and diff_y>0: #up
points.append(("up",(x,y),diff_y))
elif diff_x==0 and diff_y<0: #down
points.append(("down",(x,y),(-diff_y)))
return points
if __name__ == "__main__":
if len(sys.argv) < 2:
print("\nWARNING!!! Please mention Maze File Name")
else:
img = generateImage(sys.argv)
cv2.namedWindow("TREASURE HUNTER")
cv2.imshow("TREASURE HUNTER",img)
cv2.waitKey(0)