File size: 6,727 Bytes
58d0adc
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
import streamlit as st
# wide layout
st.set_page_config(layout="wide")

from streamlit_drawable_canvas import st_canvas
from PIL import Image
from typing import Union
import random
import numpy as np
import os
import time

from models import make_image_controlnet, make_inpainting
from preprocessing import preprocess_seg_mask, get_image, get_mask
from explanation import make_inpainting_explanation, make_regeneration_explanation, make_segmentation_explanation



def on_upload() -> None:
    """Upload image to the canvas."""
    if 'input_image' in st.session_state and st.session_state['input_image'] is not None:
        image = Image.open(st.session_state['input_image']).convert('RGB')
        st.session_state['initial_image'] = image
        if 'seg' in st.session_state:
            del st.session_state['seg']
        if 'unique_colors' in st.session_state:
            del st.session_state['unique_colors']
        if 'output_image' in st.session_state:
            del st.session_state['output_image']

def make_image_row(image_0, image_1):
    col_0, col_1 = st.columns(2)
    with col_0:
        st.image(image_0, use_column_width=True)
    with col_1:
        st.image(image_1, use_column_width=True)

def check_reset_state() -> bool:
    """Check whether the UI elements need to be reset"""
    if ('reset_canvas' in st.session_state and st.session_state['reset_canvas']):
        st.session_state['reset_canvas'] = False
        return True
    st.session_state['reset_canvas'] = False
    return False


def move_image(source: Union[str, Image.Image],
               dest: str,
               rerun: bool = True,
               remove_state: bool = True) -> None:
    """Move image from source to destination."""
    source_image = source if isinstance(source, Image.Image) else st.session_state[source]

    if remove_state:
        st.session_state['reset_canvas'] = True
        if 'seg' in st.session_state:
            del st.session_state['seg']
        if 'unique_colors' in st.session_state:
            del st.session_state['unique_colors']

    st.session_state[dest] = source_image
    if rerun:
        st.experimental_rerun()


def on_change_radio() -> None:
    """Reset the UI elements when the radio button is changed."""
    st.session_state['reset_canvas'] = True


def make_canvas_dict(canvas_color, brush, paint_mode, _reset_state):
    canvas_dict = {
        'fill_color': canvas_color,
        'stroke_color': canvas_color,
        'background_color': "#FFFFFF",
        'background_image': st.session_state['initial_image'] if 'initial_image' in st.session_state else None,
        'stroke_width': brush,
        'initial_drawing': {'version': '4.4.0', 'objects': []} if _reset_state else None,
        'update_streamlit': True,
        'height': 512,
        'width': 512,
        'drawing_mode': paint_mode,
        'key': "canvas",
    }
    return canvas_dict


def make_prompt_row():
    col_0_0, col_0_1 = st.columns(2)
    with col_0_0:
        st.text_input(label="Positive prompt", 
                     value="a realistic photograph of a room, high resolution",
                     key='positive_prompt')
    with col_0_1:
        st.text_input(label="Negative prompt", 
                     value="watermark, banner, logo, watermark, contactinfo, text, deformed, blurry, blur, lowres", 
                     key='negative_prompt')

def make_sidebar():
    with st.sidebar:
        input_image = st.file_uploader("Upload Image", 
                                     type=["png", "jpg"], 
                                     key='input_image', 
                                     on_change=on_upload)
        generation_mode = 'Inpainting'
        paint_mode = 'freedraw'
        brush = 30 if paint_mode == "freedraw" else 5
        color_chooser = "#000000"
    return input_image, generation_mode, brush, color_chooser, paint_mode



def make_output_image():
    if 'output_image' in st.session_state:
        output_image = st.session_state['output_image']
        if isinstance(output_image, np.ndarray):
            output_image = Image.fromarray(output_image)
        if isinstance(output_image, Image.Image):
            output_image = output_image.resize((512, 512))
    else:
        output_image = Image.new('RGB', (512, 512), (255, 255, 255))

    st.write("#### Output image")
    st.image(output_image, width=512)
    if st.button("Move to input image"):
        move_image('output_image', 'initial_image', remove_state=True, rerun=True)

def make_editing_canvas(canvas_color, brush, _reset_state, generation_mode, paint_mode):
    st.write("#### Input image")
    canvas_dict = make_canvas_dict(
        canvas_color=canvas_color,
        paint_mode=paint_mode,
        brush=brush,
        _reset_state=_reset_state
    )

    if generation_mode == "Segmentation":
        canvas = st_canvas(**canvas_dict)
    elif generation_mode == "Inpainting":
        image = get_image()  # Assuming this function exists in your preprocessing module
        canvas = st_canvas(**canvas_dict)

        if st.button("Generate images", key='generate_button'):
            canvas_mask = canvas.image_data
            if not isinstance(canvas_mask, np.ndarray):
                canvas_mask = np.array(canvas_mask)
            mask = get_mask(canvas_mask)  # Assuming this function exists in your preprocessing module

            with st.spinner(text="Generating new images"):
                print("Making image")
                result_image = make_inpainting(
                    positive_prompt=st.session_state['positive_prompt'],
                    image=Image.fromarray(image),
                    mask_image=mask,
                    negative_prompt=st.session_state['negative_prompt'],
                )
                if isinstance(result_image, np.ndarray):
                    result_image = Image.fromarray(result_image)
                st.session_state['output_image'] = result_image

def main():
    st.write("## Virtual Staging")

    input_image, generation_mode, brush, color_chooser, paint_mode = make_sidebar()

    if not ('initial_image' in st.session_state and st.session_state['initial_image'] is not None):
        st.write("Please upload an image to begin")
    else:
        make_prompt_row()
        _reset_state = check_reset_state()

        col1, col2 = st.columns(2)
        with col1:
            make_editing_canvas(
                canvas_color=color_chooser,
                brush=brush,
                _reset_state=_reset_state,
                generation_mode=generation_mode,
                paint_mode=paint_mode
            )

        with col2:
            make_output_image()

if __name__ == "__main__":
    main()