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| from PySide6.QtCore import QPointF
from PySide6.QtGui import Qt, QFont, QColor, QPainterPath, QPolygonF, QBrush, QPixmap
from PySide6.QtWidgets import QGraphicsDropShadowEffect, QGraphicsPolygonItem
from PySide6.QtWidgets import QGraphicsRectItem, QGraphicsSimpleTextItem, QGraphicsPixmapItem
class TextInfo:
def __init__(self, params):
self.content = params.get('content', '默认文字')
self.size = params.get('size', 40)
self.gap = self.size // 10
self.ziti = params.get('ziti', '黑体')
self.border = params.get('border', '圆角')
self.align = params.get('align', '居中')
self.bold = params.get('bold', True)
self.italic = params.get('italic', True)
self.triangle = params.get('triangle', False)
self.color = params.get('color', '#000000')
self.shadow = params.get('shadow', '#ffffff')
self.background = params.get('background', '#00000000')
self.image = params.get('image', None)
class TextRect(QGraphicsRectItem):
def __init__(self, text, text_info):
super().__init__()
self.setPen(Qt.NoPen)
self.text_item = QGraphicsSimpleTextItem(text)
self.text_item.setBrush(QColor(text_info.color))
shadow_effect = QGraphicsDropShadowEffect()
shadow_effect.setBlurRadius(8)
shadow_effect.setColor(QColor(text_info.shadow))
shadow_effect.setOffset(3, 3)
self.text_item.setGraphicsEffect(shadow_effect)
font = QFont(text_info.ziti, text_info.size)
font.setBold(text_info.bold)
font.setItalic(text_info.italic)
self.text_item.setFont(font)
self.text_item.setParentItem(self)
def offset(self, x, y):
self.text_item.setPos(x, y)
def width(self):
return self.text_item.boundingRect().width()
def height(self):
return self.text_item.boundingRect().height()
class PatchText(QGraphicsRectItem):
def __init__(self, params):
super().__init__()
self.setPen(Qt.NoPen)
self.text_info = TextInfo(params)
self.setBrush(QColor(self.text_info.background))
self.text_line_list = []
w, h = 0, self.text_info.gap * 2
for line in self.text_info.content.split('\n'):
if not line:
line = ' ' * 4
text_line = TextRect(line, self.text_info)
w = max(w, text_line.width() + self.text_info.gap * 8)
h += text_line.height() + self.text_info.gap
self.text_line_list.append(text_line)
text_line.setParentItem(self)
x, y = self.text_info.gap * 4, self.text_info.gap * 2
for text_line in self.text_line_list:
if self.text_info.align == '居中':
x = (w - text_line.width()) // 2
if self.text_info.align == '右对齐':
x = w - text_line.width() - self.text_info.gap * 4
text_line.setRect(0, y, w, text_line.height())
text_line.offset(x, y)
y += text_line.height() + self.text_info.gap
h = h + self.text_info.gap * 2
self.setRect(0, 0, w, h)
if self.text_info.triangle:
side = self.text_info.gap * 10
triangle = QGraphicsPolygonItem()
triangle.setPen(Qt.NoPen)
points = QPolygonF([
QPointF(w - side * 2, h),
QPointF(w - side, h),
QPointF(w - side * 1.5, h + side * 0.5)
])
triangle.setPolygon(points)
triangle.setBrush(QBrush(QColor(self.text_info.background)))
triangle.setParentItem(self)
if self.text_info.image:
pixmap = QGraphicsPixmapItem()
pixmap.setZValue(-1)
pixmap.setPixmap(QPixmap(self.text_info.image))
pixmap.setParentItem(self)
x, y = (w - pixmap.boundingRect().width()) // 2, (h - pixmap.boundingRect().height()) // 2
pixmap.setPos(x, y)
xx = x * -1 if x < 0 else 0
yy = y * -1 if y < 0 else 0
self.setRect(0, 0, w + xx * 2, h + yy * 2)
self.setPos(xx, yy)
def paint(self, painter, option, widget=None):
if self.text_info.border != '圆角':
super().paint(painter, option, widget)
return
radius = self.text_info.gap * 4
painter.save()
path = QPainterPath()
path.addRoundedRect(self.rect(), radius, radius)
if self.brush().style() != Qt.NoBrush:
painter.fillPath(path, self.brush())
if self.pen().style() != Qt.NoPen:
painter.setPen(self.pen())
painter.drawPath(path)
painter.restore()
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