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How to take a sub-screenshot

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Posted on by MrPython

Maybe you can't understand this subject because I'm not good at English.

I mean: Power Automate can take a screenshot of the whole screen, a window or UI element. But I want to take a screenshot for a rectangle area. The two coordinates represent the upper left and lower right corners of the area. How can I do?

给定左上和右下两点，在两点构成的矩形截图。

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Power Automate Desktop

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Lucas_Eduardo 62 on at

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Isn't it possible (Really don't know why). I've used Python's Pyautogui lib to make a script that does take screenshots based on X and Y because I couldn't figure it out in PAD. (I know that if you want to extract text with OCR you can delimit the area with X and Y.)

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MrPython 7 on at

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Do you mean: I should use python or other ways to do that?
Maybe I can use the Windows screenshot tool(win+shift+s). Do you know how to press the hold mouse and move it?

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Lucas_Eduardo 62 on at

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I've used Python because for me was the easier way.
The mouse functions have the option to press mouse button "down" and "up", you can invoke the screenshot tool, press mouse down, move the mouse, and press it up, but I'm not sure if it's going to work...

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Kaif_Siddique

2,108 Super User 2024 Season 1 on at

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Hi @MrPython ,

Use PowerSheell Script action to capture the sub screenshot.

Code:

$File = "Your File Path\screenshot.bmp"
Add-Type -AssemblyName System.Windows.Forms
Add-type -AssemblyName System.Drawing

# Gather Screen resolution information
$Screen = [System.Windows.Forms.SystemInformation]::VirtualScreen
$Width = $Screen.Width
$Height = $Screen.Height
$Left = $Screen.Left
$Top = $Screen.Top

# Set bounds
$bitmap = New-Object System.Drawing.Bitmap $Width, $Height

# Create Object
$graphic = [System.Drawing.Graphics]::FromImage($bitmap)

# Capture
$graphic.CopyFromScreen(0, 200, 400, 0, $bitmap.Size) ### ($Left,$Top,$Right,$Bottom) - Change the coordinates as per requirements.

# Save
$bitmap.Save($File)

If I have answered your question, please mark my post as Solved.
If you like my response, please give it a Thumbs Up.

Regards

Kaif

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MrPython 7 on at

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That's great! But I want to copy the image to the clipboard. How to do that?

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MrPython 7 on at

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I can't find the function to press mouse button. Please tell me where is it. You can give me a screenshot. Thank you.

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Ezhilvannan_V 178 on at

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python script:

import os
import sys
from PIL import *
from PIL import ImageEnhance , Image,ImageOps
import PIL.Image
def image_1_function(file_path):
upper_height = 4
buttom_height = 561
left_side_width= 465
right_side_width= 1425
input_image = Image.open(file_path)
enhancer_object = ImageEnhance.Sharpness(input_image)
enhanced_image = enhancer_object.enhance(1.7)
width_resized, height_resized = enhanced_image.size
crop_size = (left_side_width, upper_height ,right_side_width, buttom_height)
cropped = enhanced_image.crop(crop_size)
cropped.save(os.path.splitext(file_path)[0]+"2"+os.path.splitext(file_path)[1])
if __name__=="__main__":
file_path=sys.argv[1]
image_1_function(file_path)

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