File size: 7,784 Bytes
9e554cf
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
from PIL import Image
import numpy as np

from modules import scripts_postprocessing, shared
import gradio as gr

from modules.ui_components import FormRow, ToolButton
from modules.ui import switch_values_symbol

upscale_cache = {}


class ScriptPostprocessingUpscale(scripts_postprocessing.ScriptPostprocessing):
    name = "Upscale"
    order = 1000

    def ui(self):
        selected_tab = gr.State(value=0)

        with gr.Column():
            with FormRow():
                with gr.Tabs(elem_id="extras_resize_mode"):
                    with gr.TabItem('Scale by', elem_id="extras_scale_by_tab") as tab_scale_by:
                        upscaling_resize = gr.Slider(minimum=1.0, maximum=8.0, step=0.05, label="Resize", value=4, elem_id="extras_upscaling_resize")

                    with gr.TabItem('Scale to', elem_id="extras_scale_to_tab") as tab_scale_to:
                        with FormRow():
                            with gr.Column(elem_id="upscaling_column_size", scale=4):
                                upscaling_resize_w = gr.Slider(minimum=64, maximum=2048, step=8, label="Width", value=512, elem_id="extras_upscaling_resize_w")
                                upscaling_resize_h = gr.Slider(minimum=64, maximum=2048, step=8, label="Height", value=512, elem_id="extras_upscaling_resize_h")
                            with gr.Column(elem_id="upscaling_dimensions_row", scale=1, elem_classes="dimensions-tools"):
                                upscaling_res_switch_btn = ToolButton(value=switch_values_symbol, elem_id="upscaling_res_switch_btn", tooltip="Switch width/height")
                                upscaling_crop = gr.Checkbox(label='Crop to fit', value=True, elem_id="extras_upscaling_crop")

            with FormRow():
                extras_upscaler_1 = gr.Dropdown(label='Upscaler 1', elem_id="extras_upscaler_1", choices=[x.name for x in shared.sd_upscalers], value=shared.sd_upscalers[0].name)

            with FormRow():
                extras_upscaler_2 = gr.Dropdown(label='Upscaler 2', elem_id="extras_upscaler_2", choices=[x.name for x in shared.sd_upscalers], value=shared.sd_upscalers[0].name)
                extras_upscaler_2_visibility = gr.Slider(minimum=0.0, maximum=1.0, step=0.001, label="Upscaler 2 visibility", value=0.0, elem_id="extras_upscaler_2_visibility")

        upscaling_res_switch_btn.click(lambda w, h: (h, w), inputs=[upscaling_resize_w, upscaling_resize_h], outputs=[upscaling_resize_w, upscaling_resize_h], show_progress=False)
        tab_scale_by.select(fn=lambda: 0, inputs=[], outputs=[selected_tab])
        tab_scale_to.select(fn=lambda: 1, inputs=[], outputs=[selected_tab])

        return {
            "upscale_mode": selected_tab,
            "upscale_by": upscaling_resize,
            "upscale_to_width": upscaling_resize_w,
            "upscale_to_height": upscaling_resize_h,
            "upscale_crop": upscaling_crop,
            "upscaler_1_name": extras_upscaler_1,
            "upscaler_2_name": extras_upscaler_2,
            "upscaler_2_visibility": extras_upscaler_2_visibility,
        }

    def upscale(self, image, info, upscaler, upscale_mode, upscale_by,  upscale_to_width, upscale_to_height, upscale_crop):
        if upscale_mode == 1:
            upscale_by = max(upscale_to_width/image.width, upscale_to_height/image.height)
            info["Postprocess upscale to"] = f"{upscale_to_width}x{upscale_to_height}"
        else:
            info["Postprocess upscale by"] = upscale_by

        cache_key = (hash(np.array(image.getdata()).tobytes()), upscaler.name, upscale_mode, upscale_by,  upscale_to_width, upscale_to_height, upscale_crop)
        cached_image = upscale_cache.pop(cache_key, None)

        if cached_image is not None:
            image = cached_image
        else:
            image = upscaler.scaler.upscale(image, upscale_by, upscaler.data_path)

        upscale_cache[cache_key] = image
        if len(upscale_cache) > shared.opts.upscaling_max_images_in_cache:
            upscale_cache.pop(next(iter(upscale_cache), None), None)

        if upscale_mode == 1 and upscale_crop:
            cropped = Image.new("RGB", (upscale_to_width, upscale_to_height))
            cropped.paste(image, box=(upscale_to_width // 2 - image.width // 2, upscale_to_height // 2 - image.height // 2))
            image = cropped
            info["Postprocess crop to"] = f"{image.width}x{image.height}"

        return image

    def process_firstpass(self, pp: scripts_postprocessing.PostprocessedImage, upscale_mode=1, upscale_by=2.0, upscale_to_width=None, upscale_to_height=None, upscale_crop=False, upscaler_1_name=None, upscaler_2_name=None, upscaler_2_visibility=0.0):
        if upscale_mode == 1:
            pp.shared.target_width = upscale_to_width
            pp.shared.target_height = upscale_to_height
        else:
            pp.shared.target_width = int(pp.image.width * upscale_by)
            pp.shared.target_height = int(pp.image.height * upscale_by)

    def process(self, pp: scripts_postprocessing.PostprocessedImage, upscale_mode=1, upscale_by=2.0, upscale_to_width=None, upscale_to_height=None, upscale_crop=False, upscaler_1_name=None, upscaler_2_name=None, upscaler_2_visibility=0.0):
        if upscaler_1_name == "None":
            upscaler_1_name = None

        upscaler1 = next(iter([x for x in shared.sd_upscalers if x.name == upscaler_1_name]), None)
        assert upscaler1 or (upscaler_1_name is None), f'could not find upscaler named {upscaler_1_name}'

        if not upscaler1:
            return

        if upscaler_2_name == "None":
            upscaler_2_name = None

        upscaler2 = next(iter([x for x in shared.sd_upscalers if x.name == upscaler_2_name and x.name != "None"]), None)
        assert upscaler2 or (upscaler_2_name is None), f'could not find upscaler named {upscaler_2_name}'

        upscaled_image = self.upscale(pp.image, pp.info, upscaler1, upscale_mode, upscale_by, upscale_to_width, upscale_to_height, upscale_crop)
        pp.info["Postprocess upscaler"] = upscaler1.name

        if upscaler2 and upscaler_2_visibility > 0:
            second_upscale = self.upscale(pp.image, pp.info, upscaler2, upscale_mode, upscale_by, upscale_to_width, upscale_to_height, upscale_crop)
            upscaled_image = Image.blend(upscaled_image, second_upscale, upscaler_2_visibility)

            pp.info["Postprocess upscaler 2"] = upscaler2.name

        pp.image = upscaled_image

    def image_changed(self):
        upscale_cache.clear()


class ScriptPostprocessingUpscaleSimple(ScriptPostprocessingUpscale):
    name = "Simple Upscale"
    order = 900

    def ui(self):
        with FormRow():
            upscaler_name = gr.Dropdown(label='Upscaler', choices=[x.name for x in shared.sd_upscalers], value=shared.sd_upscalers[0].name)
            upscale_by = gr.Slider(minimum=0.05, maximum=8.0, step=0.05, label="Upscale by", value=2)

        return {
            "upscale_by": upscale_by,
            "upscaler_name": upscaler_name,
        }

    def process_firstpass(self, pp: scripts_postprocessing.PostprocessedImage, upscale_by=2.0, upscaler_name=None):
        pp.shared.target_width = int(pp.image.width * upscale_by)
        pp.shared.target_height = int(pp.image.height * upscale_by)

    def process(self, pp: scripts_postprocessing.PostprocessedImage, upscale_by=2.0, upscaler_name=None):
        if upscaler_name is None or upscaler_name == "None":
            return

        upscaler1 = next(iter([x for x in shared.sd_upscalers if x.name == upscaler_name]), None)
        assert upscaler1, f'could not find upscaler named {upscaler_name}'

        pp.image = self.upscale(pp.image, pp.info, upscaler1, 0, upscale_by, 0, 0, False)
        pp.info["Postprocess upscaler"] = upscaler1.name