import math import os from collections import namedtuple import re import numpy as np from PIL import Image, ImageFont, ImageDraw, PngImagePlugin from fonts.ttf import Roboto import string import modules.shared from modules.shared import opts LANCZOS = (Image.Resampling.LANCZOS if hasattr(Image, 'Resampling') else Image.LANCZOS) def image_grid(imgs, batch_size=1, rows=None): if rows is None: if opts.n_rows > 0: rows = opts.n_rows elif opts.n_rows == 0: rows = batch_size else: rows = math.sqrt(len(imgs)) rows = round(rows) cols = math.ceil(len(imgs) / rows) w, h = imgs[0].size grid = Image.new('RGB', size=(cols * w, rows * h), color='black') for i, img in enumerate(imgs): grid.paste(img, box=(i % cols * w, i // cols * h)) return grid Grid = namedtuple("Grid", ["tiles", "tile_w", "tile_h", "image_w", "image_h", "overlap"]) def split_grid(image, tile_w=512, tile_h=512, overlap=64): w = image.width h = image.height non_overlap_width = tile_w - overlap non_overlap_height = tile_h - overlap cols = math.ceil((w - overlap) / non_overlap_width) rows = math.ceil((h - overlap) / non_overlap_height) dx = (w - tile_w) / (cols-1) if cols > 1 else 0 dy = (h - tile_h) / (rows-1) if rows > 1 else 0 grid = Grid([], tile_w, tile_h, w, h, overlap) for row in range(rows): row_images = [] y = int(row * dy) if y + tile_h >= h: y = h - tile_h for col in range(cols): x = int(col * dx) if x+tile_w >= w: x = w - tile_w tile = image.crop((x, y, x + tile_w, y + tile_h)) row_images.append([x, tile_w, tile]) grid.tiles.append([y, tile_h, row_images]) return grid def combine_grid(grid): def make_mask_image(r): r = r * 255 / grid.overlap r = r.astype(np.uint8) return Image.fromarray(r, 'L') mask_w = make_mask_image(np.arange(grid.overlap, dtype=np.float32).reshape((1, grid.overlap)).repeat(grid.tile_h, axis=0)) mask_h = make_mask_image(np.arange(grid.overlap, dtype=np.float32).reshape((grid.overlap, 1)).repeat(grid.image_w, axis=1)) combined_image = Image.new("RGB", (grid.image_w, grid.image_h)) for y, h, row in grid.tiles: combined_row = Image.new("RGB", (grid.image_w, h)) for x, w, tile in row: if x == 0: combined_row.paste(tile, (0, 0)) continue combined_row.paste(tile.crop((0, 0, grid.overlap, h)), (x, 0), mask=mask_w) combined_row.paste(tile.crop((grid.overlap, 0, w, h)), (x + grid.overlap, 0)) if y == 0: combined_image.paste(combined_row, (0, 0)) continue combined_image.paste(combined_row.crop((0, 0, combined_row.width, grid.overlap)), (0, y), mask=mask_h) combined_image.paste(combined_row.crop((0, grid.overlap, combined_row.width, h)), (0, y + grid.overlap)) return combined_image class GridAnnotation: def __init__(self, text='', is_active=True): self.text = text self.is_active = is_active self.size = None def draw_grid_annotations(im, width, height, hor_texts, ver_texts): def wrap(drawing, text, font, line_length): lines = [''] for word in text.split(): line = f'{lines[-1]} {word}'.strip() if drawing.textlength(line, font=font) <= line_length: lines[-1] = line else: lines.append(word) return lines def draw_texts(drawing, draw_x, draw_y, lines): for i, line in enumerate(lines): drawing.multiline_text((draw_x, draw_y + line.size[1] / 2), line.text, font=fnt, fill=color_active if line.is_active else color_inactive, anchor="mm", align="center") if not line.is_active: drawing.line((draw_x - line.size[0]//2, draw_y + line.size[1]//2, draw_x + line.size[0]//2, draw_y + line.size[1]//2), fill=color_inactive, width=4) draw_y += line.size[1] + line_spacing fontsize = (width + height) // 25 line_spacing = fontsize // 2 fnt = ImageFont.truetype(opts.font or Roboto, fontsize) color_active = (0, 0, 0) color_inactive = (153, 153, 153) pad_left = 0 if sum([sum([len(line.text) for line in lines]) for lines in ver_texts]) == 0 else width * 3 // 4 cols = im.width // width rows = im.height // height assert cols == len(hor_texts), f'bad number of horizontal texts: {len(hor_texts)}; must be {cols}' assert rows == len(ver_texts), f'bad number of vertical texts: {len(ver_texts)}; must be {rows}' calc_img = Image.new("RGB", (1, 1), "white") calc_d = ImageDraw.Draw(calc_img) for texts, allowed_width in zip(hor_texts + ver_texts, [width] * len(hor_texts) + [pad_left] * len(ver_texts)): items = [] + texts texts.clear() for line in items: wrapped = wrap(calc_d, line.text, fnt, allowed_width) texts += [GridAnnotation(x, line.is_active) for x in wrapped] for line in texts: bbox = calc_d.multiline_textbbox((0, 0), line.text, font=fnt) line.size = (bbox[2] - bbox[0], bbox[3] - bbox[1]) hor_text_heights = [sum([line.size[1] + line_spacing for line in lines]) - line_spacing for lines in hor_texts] ver_text_heights = [sum([line.size[1] + line_spacing for line in lines]) - line_spacing * len(lines) for lines in ver_texts] pad_top = max(hor_text_heights) + line_spacing * 2 result = Image.new("RGB", (im.width + pad_left, im.height + pad_top), "white") result.paste(im, (pad_left, pad_top)) d = ImageDraw.Draw(result) for col in range(cols): x = pad_left + width * col + width / 2 y = pad_top / 2 - hor_text_heights[col] / 2 draw_texts(d, x, y, hor_texts[col]) for row in range(rows): x = pad_left / 2 y = pad_top + height * row + height / 2 - ver_text_heights[row] / 2 draw_texts(d, x, y, ver_texts[row]) return result def draw_prompt_matrix(im, width, height, all_prompts): prompts = all_prompts[1:] boundary = math.ceil(len(prompts) / 2) prompts_horiz = prompts[:boundary] prompts_vert = prompts[boundary:] hor_texts = [[GridAnnotation(x, is_active=pos & (1 << i) != 0) for i, x in enumerate(prompts_horiz)] for pos in range(1 << len(prompts_horiz))] ver_texts = [[GridAnnotation(x, is_active=pos & (1 << i) != 0) for i, x in enumerate(prompts_vert)] for pos in range(1 << len(prompts_vert))] return draw_grid_annotations(im, width, height, hor_texts, ver_texts) def resize_image(resize_mode, im, width, height): if resize_mode == 0: res = im.resize((width, height), resample=LANCZOS) elif resize_mode == 1: ratio = width / height src_ratio = im.width / im.height src_w = width if ratio > src_ratio else im.width * height // im.height src_h = height if ratio <= src_ratio else im.height * width // im.width resized = im.resize((src_w, src_h), resample=LANCZOS) res = Image.new("RGB", (width, height)) res.paste(resized, box=(width // 2 - src_w // 2, height // 2 - src_h // 2)) else: ratio = width / height src_ratio = im.width / im.height src_w = width if ratio < src_ratio else im.width * height // im.height src_h = height if ratio >= src_ratio else im.height * width // im.width resized = im.resize((src_w, src_h), resample=LANCZOS) res = Image.new("RGB", (width, height)) res.paste(resized, box=(width // 2 - src_w // 2, height // 2 - src_h // 2)) if ratio < src_ratio: fill_height = height // 2 - src_h // 2 res.paste(resized.resize((width, fill_height), box=(0, 0, width, 0)), box=(0, 0)) res.paste(resized.resize((width, fill_height), box=(0, resized.height, width, resized.height)), box=(0, fill_height + src_h)) elif ratio > src_ratio: fill_width = width // 2 - src_w // 2 res.paste(resized.resize((fill_width, height), box=(0, 0, 0, height)), box=(0, 0)) res.paste(resized.resize((fill_width, height), box=(resized.width, 0, resized.width, height)), box=(fill_width + src_w, 0)) return res invalid_filename_chars = '<>:"/\\|?*\n' re_nonletters = re.compile(r'[\s'+string.punctuation+']+') def sanitize_filename_part(text): return text.replace(' ', '_').translate({ord(x): '' for x in invalid_filename_chars})[:128] def save_image(image, path, basename, seed=None, prompt=None, extension='png', info=None, short_filename=False, no_prompt=False): # would be better to add this as an argument in future, but will do for now is_a_grid = basename != "" if short_filename or prompt is None or seed is None: file_decoration = "" elif opts.save_to_dirs: file_decoration = f"-{seed}" else: file_decoration = f"-{seed}-{sanitize_filename_part(prompt)[:128]}" if extension == 'png' and opts.enable_pnginfo and info is not None: pnginfo = PngImagePlugin.PngInfo() pnginfo.add_text("parameters", info) else: pnginfo = None save_to_dirs = (is_a_grid and opts.grid_save_to_dirs) or (not is_a_grid and opts.save_to_dirs) if save_to_dirs and not no_prompt: words = [x for x in re_nonletters.split(prompt or "") if len(x)>0] if len(words) == 0: words = ["empty"] dirname = " ".join(words[0:opts.save_to_dirs_prompt_len]).strip() path = os.path.join(path, dirname) os.makedirs(path, exist_ok=True) filecount = len([x for x in os.listdir(path) if os.path.splitext(x)[1] == '.' + extension]) fullfn = "a.png" fullfn_without_extension = "a" for i in range(500): fn = f"{filecount+i:05}" if basename == '' else f"{basename}-{filecount+i:04}" fullfn = os.path.join(path, f"{fn}{file_decoration}.{extension}") fullfn_without_extension = os.path.join(path, f"{fn}{file_decoration}") if not os.path.exists(fullfn): break image.save(fullfn, quality=opts.jpeg_quality, pnginfo=pnginfo) target_side_length = 4000 oversize = image.width > target_side_length or image.height > target_side_length if opts.export_for_4chan and (oversize or os.stat(fullfn).st_size > 4 * 1024 * 1024): ratio = image.width / image.height if oversize and ratio > 1: image = image.resize((target_side_length, image.height * target_side_length // image.width), LANCZOS) elif oversize: image = image.resize((image.width * target_side_length // image.height, target_side_length), LANCZOS) image.save(f"{fullfn_without_extension}.jpg", quality=opts.jpeg_quality, pnginfo=pnginfo) if opts.save_txt and info is not None: with open(f"{fullfn_without_extension}.txt", "w", encoding="utf8") as file: file.write(info + "\n") class Upscaler: name = "Lanczos" def do_upscale(self, img): return img def upscale(self, img, w, h): for i in range(3): if img.width >= w and img.height >= h: break img = self.do_upscale(img) if img.width != w or img.height != h: img = img.resize((w, h), resample=LANCZOS) return img class UpscalerNone(Upscaler): name = "None" def upscale(self, img, w, h): return img modules.shared.sd_upscalers.append(UpscalerNone()) modules.shared.sd_upscalers.append(Upscaler())