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| from typing import Literal | |
| def calculage_img_tokens( | |
| width, | |
| height, | |
| mode: Literal["low", "high", "auto"] = "auto", | |
| base_tokens: int = 85, # openai default - https://openai.com/pricing | |
| ): | |
| if mode == "low": | |
| return base_tokens | |
| elif mode == "high" or mode == "auto": | |
| resized_width, resized_height = resize_image_high_res( | |
| width=width, height=height | |
| ) | |
| tiles_needed_high_res = calculate_tiles_needed(resized_width, resized_height) | |
| tile_tokens = (base_tokens * 2) * tiles_needed_high_res | |
| total_tokens = base_tokens + tile_tokens | |
| return total_tokens | |
| def resize_image_high_res(width, height): | |
| # Maximum dimensions for high res mode | |
| max_short_side = 768 | |
| max_long_side = 2000 | |
| # Determine the longer and shorter sides | |
| longer_side = max(width, height) | |
| shorter_side = min(width, height) | |
| # Calculate the aspect ratio | |
| aspect_ratio = longer_side / shorter_side | |
| # Resize based on the short side being 768px | |
| if width <= height: # Portrait or square | |
| resized_width = max_short_side | |
| resized_height = int(resized_width * aspect_ratio) | |
| # if the long side exceeds the limit after resizing, adjust both sides accordingly | |
| if resized_height > max_long_side: | |
| resized_height = max_long_side | |
| resized_width = int(resized_height / aspect_ratio) | |
| else: # Landscape | |
| resized_height = max_short_side | |
| resized_width = int(resized_height * aspect_ratio) | |
| # if the long side exceeds the limit after resizing, adjust both sides accordingly | |
| if resized_width > max_long_side: | |
| resized_width = max_long_side | |
| resized_height = int(resized_width / aspect_ratio) | |
| return resized_width, resized_height | |
| # Test the function with the given example | |
| def calculate_tiles_needed( | |
| resized_width, resized_height, tile_width=512, tile_height=512 | |
| ): | |
| tiles_across = (resized_width + tile_width - 1) // tile_width | |
| tiles_down = (resized_height + tile_height - 1) // tile_height | |
| total_tiles = tiles_across * tiles_down | |
| return total_tiles | |
| # Test high res mode with 1875 x 768 image | |
| resized_width_high_res = 1875 | |
| resized_height_high_res = 768 | |
| tiles_needed_high_res = calculate_tiles_needed( | |
| resized_width_high_res, resized_height_high_res | |
| ) | |
| print( | |
| f"Tiles needed for high res image ({resized_width_high_res}x{resized_height_high_res}): {tiles_needed_high_res}" | |
| ) | |
| # If you had the original size and needed to resize and then calculate tiles: | |
| original_size = (10000, 4096) | |
| resized_size_high_res = resize_image_high_res(*original_size) | |
| print(f"Resized dimensions in high res mode: {resized_size_high_res}") | |
| tiles_needed = calculate_tiles_needed(*resized_size_high_res) | |
| print(f"Tiles needed for high res image {resized_size_high_res}: {tiles_needed}") | |