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Fix extra qpainter end() call

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Kovid Goyal 2023-09-06 11:59:36 +05:30
parent 705c174271
commit 5082280c0e
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1 changed files with 24 additions and 27 deletions
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51
src/calibre/gui2/widgets.py
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@ -371,36 +371,33 @@ class ImageView(QWidget, ImageDropMixin):
pmap = self._pixmap pmap = self._pixmap
p = QPainter(self) p = QPainter(self)
p.setRenderHints(QPainter.RenderHint.Antialiasing | QPainter.RenderHint.SmoothPixmapTransform) p.setRenderHints(QPainter.RenderHint.Antialiasing | QPainter.RenderHint.SmoothPixmapTransform)
try: if pmap.isNull():
if pmap.isNull(): if self.draw_empty_border:
if self.draw_empty_border:
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
p.drawRect(self.rect())
p.end()
return
w, h = pmap.width(), pmap.height()
ow, oh = w, h
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(int(nw*pmap.devicePixelRatio()), int(nh*pmap.devicePixelRatio()), Qt.AspectRatioMode.IgnoreAspectRatio,
Qt.TransformationMode.SmoothTransformation)
w, h = int(pmap.width()/pmap.devicePixelRatio()), int(pmap.height()/pmap.devicePixelRatio())
x = int(abs(cw - w)/2)
y = int(abs(ch - h)/2)
target = QRect(x, y, w, h)
p.drawPixmap(target, pmap)
if self.draw_border:
pen = QPen() pen = QPen()
pen.setWidth(self.BORDER_WIDTH) pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen) p.setPen(pen)
p.drawRect(target) p.drawRect(self.rect())
if self.show_size: p.end()
draw_size(p, target, ow, oh) return
finally: w, h = pmap.width(), pmap.height()
p.end() ow, oh = w, h
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(int(nw*pmap.devicePixelRatio()), int(nh*pmap.devicePixelRatio()), Qt.AspectRatioMode.IgnoreAspectRatio,
Qt.TransformationMode.SmoothTransformation)
w, h = int(pmap.width()/pmap.devicePixelRatio()), int(pmap.height()/pmap.devicePixelRatio())
x = int(abs(cw - w)/2)
y = int(abs(ch - h)/2)
target = QRect(x, y, w, h)
p.drawPixmap(target, pmap)
if self.draw_border:
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
p.drawRect(target)
if self.show_size:
draw_size(p, target, ow, oh)
# }}} # }}}