Spaces:
Runtime error
Runtime error
File size: 3,124 Bytes
002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 002247f af2e4f1 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
import gradio as gr
import csv
from io import StringIO
from PIL import Image
import numpy as np
import base64
# Define the annotation types
ANNOTATION_TYPES = ['rect', 'circle']
# Define the Annotation class
class Annotation:
def __init__(self, x, y, width, height, annotation_type):
self.x = x
self.y = y
self.width = width
self.height = height
self.type = annotation_type
# Define the Gradio interface
def annotate_images(images):
# Define the canvas size
canvas_size = (600, 600)
# Define the initial state
state = {
'image': None,
'annotations': [],
'annotation_type': ANNOTATION_TYPES[0],
'start_point': None
}
# Define the canvas drawing function
def draw_canvas(canvas, image_data, annotations):
# Convert the image data to a PIL Image object
image = Image.fromarray(image_data)
# Resize the image to fit the canvas
image = image.resize(canvas_size)
# Draw the image on the canvas
canvas.draw_image(image, (canvas_size[0]/2, canvas_size[1]/2))
# Draw the annotations on the canvas
for annotation in annotations:
x, y, width, height = annotation.x, annotation.y, annotation.width, annotation.height
if annotation.type == 'rect':
canvas.draw_rect(x, y, width, height, stroke_color='red')
elif annotation.type == 'circle':
radius = np.sqrt(np.power(width, 2) + np.power(height, 2)) / 2
center_x, center_y = x + width / 2, y + height / 2
canvas.draw_circle(center_x, center_y, radius, stroke_color='red')
# Define the canvas mousedown event handler
def canvas_mousedown(canvas, x, y):
state['start_point'] = (x, y)
# Define the canvas mousemove event handler
def canvas_mousemove(canvas, x, y):
if state['start_point'] is not None:
start_x, start_y = state['start_point']
end_x, end_y = x, y
annotation_type = state['annotation_type']
draw_annotation(canvas, start_x, start_y, end_x, end_y, annotation_type)
# Define the canvas mouseup event handler
def canvas_mouseup(canvas, x, y):
if state['start_point'] is not None:
start_x, start_y = state['start_point']
end_x, end_y = x, y
annotation_type = state['annotation_type']
add_annotation(start_x, start_y, end_x, end_y, annotation_type)
state['start_point'] = None
# Define the add annotation function
def add_annotation(start_x, start_y, end_x, end_y, annotation_type):
# Calculate the width and height of the annotation
width = np.abs(start_x - end_x)
height = np.abs(start_y - end_y)
# Create the annotation object
annotation = Annotation(start_x, start_y, width, height, annotation_type)
# Add the annotation to the array
state['annotations'].append(annotation)
# Redraw the canvas
draw_canvas(canvas, state['image'], state['annotations'])
#
|