mirror of
https://github.com/Xtao-Labs/iShotaBot.git
synced 2024-11-30 19:30:41 +00:00
311 lines
12 KiB
Python
311 lines
12 KiB
Python
from io import BytesIO
|
|
from os import sep
|
|
from typing import Tuple, Union, Literal, Optional
|
|
from pathlib import Path
|
|
from PIL import Image, ImageDraw, ImageFont
|
|
|
|
|
|
class ImageUtil:
|
|
"""
|
|
:说明: `ImageUtil`
|
|
> 图片处理工具类
|
|
> Author: HibiKier
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
width: int,
|
|
height: int,
|
|
paste_image_width: int = 0,
|
|
paste_image_height: int = 0,
|
|
color: Union[str, Tuple[int, int, int], Tuple[int, int, int, int]] = None,
|
|
image_mode: Literal[
|
|
"CMYK", "HSV", "LAB", "RGB", "RGBA", "RGBX", "YCbCr"
|
|
] = "RGBA",
|
|
font_size: int = 10,
|
|
background: Union[Optional[str], BytesIO, Path] = None,
|
|
font: str = "sarasa-mono-sc-semibold.ttf",
|
|
ratio: float = 1,
|
|
is_alpha: bool = False,
|
|
plain_text: Optional[str] = None,
|
|
font_color: Optional[Tuple[int, int, int]] = None,
|
|
) -> None:
|
|
"""
|
|
:说明: `__init__`
|
|
> 创建图片处理对象
|
|
:参数:
|
|
* `width: int`: 图片宽度
|
|
* `height: int`: 图片高度
|
|
:可选参数:
|
|
* `paste_image_width: int = 0`: 当图片做为背景图时，设置贴图的宽度，用于贴图自动换行
|
|
* `paste_image_height: int = 0`: 当图片做为背景图时，设置贴图的高度，用于贴图自动换行
|
|
* `color: Union[str, Tuple[int, int, int], Tuple[int, int, int, int]] = None`: 生成图片的颜色
|
|
* `image_mode: Literal["CMYK", "HSV", "LAB", "RGB", "RGBA", "RGBX", "YCbCr"] = "RGBA"`: 图片类型
|
|
* `font_size: int = 10`: 字体大小
|
|
* `background: Union[Optional[str], BytesIO, Path] = None`: 背景图片路径
|
|
* `font: str = "sarasa-mono-sc-semibold.ttf"`: 字体路径
|
|
* `ratio: float = 1`: 图片缩放比例
|
|
* `is_alpha: bool = False`: 是否使用透明度
|
|
* `plain_text: Optional[str] = None`: 纯文本内容
|
|
* `font_color: Optional[Tuple[int, int, int]] = None`: 字体颜色
|
|
:错误:
|
|
- `ValueError`: image_mode 不在范围内
|
|
"""
|
|
self.width = width
|
|
self.height = height
|
|
self.paste_image_width = paste_image_width
|
|
self.paste_image_height = paste_image_height
|
|
self.current_width = 0
|
|
self.current_height = 0
|
|
self.font = ImageFont.truetype(f"resources{sep}font{sep}{font}", font_size)
|
|
if image_mode not in ["CMYK", "HSV", "LAB", "RGB", "RGBA", "RGBX", "YCbCr"]:
|
|
raise ValueError(f"image_mode: {image_mode}错误")
|
|
if not color:
|
|
color = (255, 255, 255)
|
|
if not background:
|
|
if plain_text:
|
|
self.width = (
|
|
self.width
|
|
if self.width > self.font.getsize(plain_text)[0]
|
|
else self.font.getsize(plain_text)[1]
|
|
)
|
|
self.height = (
|
|
self.height
|
|
if self.height > self.font.getsize(plain_text)[1]
|
|
else self.font.getsize(plain_text)[1]
|
|
)
|
|
self.mark_image = Image.new(image_mode, (self.width, self.height), color)
|
|
self.mark_image.convert(image_mode)
|
|
else:
|
|
if not width and not height:
|
|
self.mark_image = Image.open(background)
|
|
width, height = self.mark_image.size
|
|
if ratio and ratio > 0 and ratio != 1:
|
|
self.width = int(ratio * width)
|
|
self.height = int(ratio * height)
|
|
self.mark_image = self.mark_image.resize(
|
|
(self.width, self.height), Image.ANTIALIAS
|
|
)
|
|
else:
|
|
self.width = width
|
|
self.height = height
|
|
else:
|
|
self.mark_image = Image.open(background).resize(
|
|
(self.width, self.height), Image.Resampling.LANCZOS
|
|
)
|
|
if is_alpha:
|
|
array = self.mark_image.load()
|
|
for i in range(width):
|
|
for j in range(height):
|
|
pos = array[i, j] # type: ignore
|
|
is_edit = sum([1 for x in pos[0:3] if x > 240]) == 3
|
|
if is_edit:
|
|
array[i, j] = (255, 255, 255, 0) # type: ignore
|
|
self.draw = ImageDraw.Draw(self.mark_image)
|
|
self.size = self.width, self.height
|
|
if plain_text:
|
|
fill = font_color if font_color else (0, 0, 0)
|
|
self.text((0, 0), plain_text, fill)
|
|
|
|
def text(
|
|
self,
|
|
pos: Tuple[int, int],
|
|
text: str,
|
|
fill: Tuple[int, int, int] = (0, 0, 0),
|
|
center_type: Literal["center", "by_height", "by_width"] = None,
|
|
):
|
|
"""
|
|
:说明: `text`
|
|
> 在图片上添加文本
|
|
:参数:
|
|
* `pos: Tuple[int, int]`: 文本位置
|
|
* `text: str`: 文本内容
|
|
:可选参数:
|
|
* `fill: Tuple[int, int, int] = (0, 0, 0)`: 文本颜色
|
|
* `center_type: Literal["center", "by_height", "by_width"] = None`: 文本居中方式
|
|
:错误:
|
|
* `ValueError`: 当 `center_type` 不为 `center`, `by_height`, `by_width` 时
|
|
"""
|
|
if center_type:
|
|
if center_type not in ["center", "by_height", "by_width"]:
|
|
raise ValueError(
|
|
"center_type must be 'center', 'by_width' or 'by_height'"
|
|
)
|
|
width, height = self.width, self.height
|
|
text_widht, text_height = self.getsize(text)
|
|
if center_type == "center":
|
|
width = int((width - text_widht) / 2)
|
|
height = int((height - text_height) / 2)
|
|
elif center_type == "by_width":
|
|
width = int((width - text_widht) / 2)
|
|
height = pos[1]
|
|
elif center_type == "by_height":
|
|
height = int((height - text_height) / 2)
|
|
width = pos[0]
|
|
pos = (width, height)
|
|
self.draw.text(pos, text, fill=fill, font=self.font)
|
|
|
|
def paste(
|
|
self,
|
|
img: Union["ImageUtil", Image.Image],
|
|
pos: Tuple[int, int] = None,
|
|
alpha: bool = False,
|
|
center_type: Literal["center", "by_height", "by_width"] = None,
|
|
):
|
|
"""
|
|
:说明: `paste`
|
|
> 在图片上添加图片
|
|
:参数:
|
|
* `img: ImageUtil`: 图片对象
|
|
:可选参数:
|
|
* `pos: Tuple[int, int] = None`: 图片位置
|
|
* `alpha: bool = False`: 是否使用透明度
|
|
* `center_type: Literal["center", "by_height", "by_width"] = None`: 图片居中方式
|
|
:错误:
|
|
- `ValueError`: 当 `center_type` 不为 `center`, `by_height`, `by_width` 时
|
|
"""
|
|
if center_type:
|
|
if center_type not in ["center", "by_height", "by_width"]:
|
|
raise ValueError(
|
|
"center_type must be 'center', 'by_width' or 'by_height'"
|
|
)
|
|
width, height = 0, 0
|
|
if not pos:
|
|
pos = (0, 0)
|
|
if center_type == "center":
|
|
width = int((self.width - img.width) / 2)
|
|
height = int((self.height - img.height) / 2)
|
|
elif center_type == "by_width":
|
|
width = int((self.width - img.width) / 2)
|
|
height = pos[1]
|
|
elif center_type == "by_height":
|
|
width = pos[0]
|
|
height = int((self.height - img.height) / 2)
|
|
pos = (width, height)
|
|
if isinstance(img, ImageUtil):
|
|
img = img.mark_image
|
|
if self.current_width == self.width:
|
|
self.current_width = 0
|
|
self.current_height += self.paste_image_height
|
|
if not pos:
|
|
pos = (self.current_width, self.current_height)
|
|
if alpha:
|
|
try:
|
|
self.mark_image.paste(img, pos, img)
|
|
except ValueError:
|
|
img = img.convert("RGBA")
|
|
self.mark_image.paste(img, pos, img)
|
|
else:
|
|
self.mark_image.paste(img, pos)
|
|
self.current_width += self.paste_image_width
|
|
|
|
def getsize(self, msg: str) -> Tuple[int, int]:
|
|
"""
|
|
:说明: `getsize`
|
|
> 获取文本大小
|
|
:参数:
|
|
* `msg: str`: 文本内容
|
|
:返回:
|
|
- `Tuple[int, int]`: 文本大小
|
|
"""
|
|
return self.font.getsize(msg)
|
|
|
|
def point(self, pos: Tuple[int, int], fill: Tuple[int, int, int] = (0, 0, 0)):
|
|
"""
|
|
:说明: `point`
|
|
> 绘制单独的像素点
|
|
:参数:
|
|
* `pos: Tuple[int, int]`: 像素点位置
|
|
:可选参数:
|
|
* `fill: Tuple[int, int, int] = (0, 0, 0)`: 像素点颜色
|
|
"""
|
|
self.draw.point(pos, fill=fill)
|
|
|
|
def ellipse(
|
|
self,
|
|
pos: Tuple[int, int, int, int],
|
|
fill: Optional[Tuple[int, int, int]] = None,
|
|
outline: Optional[Tuple[int, int, int]] = None,
|
|
width: int = 1,
|
|
):
|
|
"""
|
|
:说明: `ellipse`
|
|
> 绘制描边
|
|
:参数:
|
|
* `pos: Tuple[int, int, int, int]`: 坐标范围[x1, y1, x2, y2]
|
|
:可选参数:
|
|
* `fill: Optional[Tuple[int, int, int]] = None`: 填充颜色
|
|
* `outline: Optional[Tuple[int, int, int]] = None`: 描边颜色
|
|
* `width: int = 1`: 描边宽度
|
|
"""
|
|
self.draw.ellipse(pos, fill, outline, width)
|
|
|
|
def save(self, path: Union[str, Path]):
|
|
"""
|
|
:说明: `save`
|
|
> 保存图片
|
|
:参数:
|
|
* `path: Union[str, Path]`: 保存路径
|
|
"""
|
|
if isinstance(path, Path):
|
|
path = path.absolute()
|
|
self.mark_image.save(path)
|
|
|
|
def convert(
|
|
self,
|
|
image_mode: Literal[
|
|
"CMYK", "HSV", "LAB", "RGB", "RGBA", "RGBX", "YCbCr"
|
|
] = "RGBA",
|
|
):
|
|
"""
|
|
:说明: `convert`
|
|
> 转换图片类型
|
|
:可选参数:
|
|
* `image_mode:Literal["CMYK", "HSV", "LAB", "RGB", "RGBA", "RGBX", "YCbCr"] = "RGBA"`: 转换后的图片类型
|
|
"""
|
|
self.mark_image = self.mark_image.convert(image_mode)
|
|
|
|
def circle(self):
|
|
"""
|
|
:说明: `circle`
|
|
> 转换图片为圆形
|
|
"""
|
|
self.convert("RGBA")
|
|
r2 = min(self.width, self.height)
|
|
if self.width != self.height:
|
|
self.resize(width=r2, height=r2)
|
|
r3 = int(r2 / 2)
|
|
imb = Image.new("RGBA", (r3 * 2, r3 * 2), (255, 255, 255, 0))
|
|
pim_a = self.mark_image.load() # 像素的访问对象
|
|
pim_b = imb.load()
|
|
r = float(r2 / 2)
|
|
for i in range(r2):
|
|
for j in range(r2):
|
|
lx = abs(i - r) # 到圆心距离的横坐标
|
|
ly = abs(j - r) # 到圆心距离的纵坐标
|
|
length = (pow(lx, 2) + pow(ly, 2)) ** 0.5 # 三角函数 半径
|
|
if length < r3:
|
|
pim_b[i - (r - r3), j - (r - r3)] = pim_a[i, j] # type: ignore
|
|
self.mark_image = imb
|
|
|
|
def resize(self, ratio: float = 0, width: int = 0, height: int = 0):
|
|
"""
|
|
:说明: `resize`
|
|
> 图片缩放
|
|
:可选参数:
|
|
* `ratio: float = 0`: 缩放比例
|
|
* `width: int = 0`: 缩放后的宽度
|
|
* `height: int = 0`: 缩放后的高度
|
|
:异常:
|
|
- `Exception`: 缺少参数
|
|
"""
|
|
if not width and not height and not ratio:
|
|
raise Exception("缺少参数...")
|
|
if not width and not height and ratio:
|
|
width = int(self.width * ratio)
|
|
height = int(self.height * ratio)
|
|
self.mark_image = self.mark_image.resize((width, height), Image.ANTIALIAS)
|
|
self.width, self.height = self.mark_image.size
|
|
self.size = self.width, self.height
|
|
self.draw = ImageDraw.Draw(self.mark_image)
|