72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
from PyQt5.QtCore import Qt, QSize, QTimer, QPropertyAnimation, QPointF, pyqtProperty, QByteArray, QBuffer
|
|
from PyQt5.QtGui import QPixmap, QColor, QPainter, QPainterPath
|
|
from PyQt5.QtWidgets import QWidget
|
|
|
|
from ..ui.Icon import Icon
|
|
|
|
class CAvatar(QWidget):
|
|
Circle = 0 # 圆形
|
|
Rectangle = 1 # 圆角矩形
|
|
|
|
def __init__(self, parent=None, shape=Circle, size=QSize(64, 64)):
|
|
super().__init__(parent)
|
|
self.shape = shape
|
|
self._pixmap = QPixmap() # 原始图片
|
|
self.pixmap = QPixmap() # 缩放后的图片
|
|
self.setFixedSize(size)
|
|
|
|
# 设置默认头像
|
|
self.setBytes(QPixmap(Icon.Default_avatar_path))
|
|
|
|
def paintEvent(self, event):
|
|
"""绘制头像"""
|
|
painter = QPainter(self)
|
|
painter.setRenderHint(QPainter.Antialiasing, True)
|
|
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
|
|
|
|
# 创建裁剪路径
|
|
path = QPainterPath()
|
|
rect = self.rect()
|
|
if self.shape == self.Circle:
|
|
# 圆形
|
|
path.addEllipse(rect)
|
|
else:
|
|
# 圆角矩形
|
|
path.addRoundedRect(rect, 4, 4)
|
|
|
|
# 应用裁剪
|
|
painter.setClipPath(path)
|
|
|
|
# 绘制图片
|
|
if not self.pixmap.isNull():
|
|
painter.drawPixmap(rect, self.pixmap)
|
|
|
|
def setBytes(self, img_bytes):
|
|
"""设置头像数据
|
|
Args:
|
|
img_bytes: 可以是 bytes 类型的图片数据，也可以是 QPixmap 对象
|
|
"""
|
|
if isinstance(img_bytes, QPixmap):
|
|
self._pixmap = img_bytes
|
|
elif isinstance(img_bytes, bytes):
|
|
self._pixmap = QPixmap()
|
|
if img_bytes[:4] == b'\x89PNG':
|
|
self._pixmap.loadFromData(img_bytes, 'PNG')
|
|
else:
|
|
self._pixmap.loadFromData(img_bytes, 'JPEG')
|
|
|
|
if self._pixmap.isNull():
|
|
self._pixmap = QPixmap(Icon.Default_avatar_path)
|
|
|
|
# 缩放图片
|
|
self._resizePixmap()
|
|
|
|
def _resizePixmap(self):
|
|
"""缩放图片以适应控件大小"""
|
|
if not self._pixmap.isNull():
|
|
self.pixmap = self._pixmap.scaled(
|
|
self.size(),
|
|
Qt.KeepAspectRatio,
|
|
Qt.SmoothTransformation
|
|
)
|
|
self.update() |