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Add new feature to blend between old and new images over a configurable amount of time. #1

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Add new feature to blend between old and new images over a configurable amount of time. #1

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6d1ce99
Add blending feature by changing transparency over a period
bfayers Jan 12, 2023
ede8034
actually use blend time variable
bfayers Jan 13, 2023
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45 changes: 37 additions & 8 deletions epic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
# Settings
check_delay = 120 #minutes
rotate_delay = 20 #seconds
enable_blending = True #True/False
blending_duration = 5 #second - how long to spend blending between 2 images

# Set up the drawing window
screen = pygame.display.set_mode([480,480], pygame.FULLSCREEN)
Expand Down Expand Up @@ -64,7 +66,31 @@ def save_photos(imageurls):
counter+=1
print("photos saved")

def rotate_photos(num_photos, rotate_delay):
def blend_between_photos(old_image, new_image, target_duration):
print("Attempting to blend between old and new images")

transparency = 0
#Place the old image down first
screen.blit(old_image, (0,0))
#Set the new image to be completely transparent
new_image.set_alpha(transparency)
screen.blit(new_image, (0,0))
pygame.display.flip()

while transparency < 255:
#Update transparency for new image
transparency += 1
new_image.set_alpha(transparency)

#Place both images down, old one first, new one with adjusted transparency second.
screen.blit(old_image, (0,0))
screen.blit(new_image, (0,0))
pygame.display.flip()
#Delay the loop to blend over the target duration (in seconds)
time.sleep(target_duration/255)


def rotate_photos(num_photos, rotate_delay, blend_enabled=False, blend_time=5):
counter=0
while counter<num_photos:
# First check if anyone's tried to quit the app while we've been rotating
Expand All @@ -73,12 +99,15 @@ def rotate_photos(num_photos, rotate_delay):
pygame.quit()

# Create a surface object and draw image on it.
image = pygame.image.load(r"./"+str(counter)+".jpg")

# Display image
screen.blit(image, (0,0))
pygame.display.flip()

new_image = pygame.image.load(r"./"+str(counter)+".jpg")
if counter > 1 and blend_enabled:
old_image = pygame.image.load(r"./"+str(counter-1)+".jpg")
blend_between_photos(old_image, new_image, blend_time)
else:
# Display image
screen.blit(new_image, (0,0))
pygame.display.flip()

counter+=1

# How many seconds to wait between changing images
Expand Down Expand Up @@ -123,7 +152,7 @@ def rotate_photos(num_photos, rotate_delay):
print("No new images")

# Show each photo in order.
rotate_photos(num_photos, rotate_delay)
rotate_photos(num_photos, rotate_delay, enable_blending, blending_duration)

# Done! Time to quit.
pygame.quit()
Expand Down