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Fix high DPI rendering of emblems in the cover grid

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This commit is contained in:
Kovid Goyal 2016-08-25 10:15:40 +05:30
parent 5724e51fc0
commit b0d87f4263
1 changed files with 11 additions and 9 deletions
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20
src/calibre/gui2/library/alternate_views.py
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@ -19,7 +19,7 @@ from PyQt5.Qt import (
QMimeData, QUrl, QDrag, QPoint, QPainter, QRect, pyqtProperty, QEvent,
QPropertyAnimation, QEasingCurve, pyqtSlot, QHelpEvent, QAbstractItemView,
QStyleOptionViewItem, QToolTip, QByteArray, QBuffer, QBrush, qRed, qGreen,
qBlue, QItemSelectionModel)
qBlue, QItemSelectionModel, QIcon)
from calibre import fit_image, prints, prepare_string_for_xml, human_readable
from calibre.constants import DEBUG, config_dir
@ -420,11 +420,11 @@ class CoverDelegate(QStyledItemDelegate):
if raw_icon is not None:
ans = raw_icon.pixmap(sz, sz)
elif name == ':ondevice':
ans = QPixmap(I('ok.png')).scaled(sz, sz, transformMode=Qt.SmoothTransformation)
ans = QIcon(I('ok.png')).scaled(sz, sz)
elif name:
pmap = QPixmap(os.path.join(config_dir, 'cc_icons', name))
pmap = QIcon(os.path.join(config_dir, 'cc_icons', name)).pixmap(sz, sz)
if not pmap.isNull():
ans = pmap.scaled(sz, sz)
ans = pmap
cache[name] = ans
return ans
@ -513,7 +513,7 @@ class CoverDelegate(QStyledItemDelegate):
try:
p = self.on_device_emblem
except AttributeError:
p = self.on_device_emblem = QPixmap(I('ok.png')).scaled(48, 48, transformMode=Qt.SmoothTransformation)
p = self.on_device_emblem = QIcon(I('ok.png')).pixmap(48, 48)
self.paint_embossed_emblem(p, painter, orect, right_adjust, left=False)
finally:
painter.restore()
@ -542,21 +542,23 @@ class CoverDelegate(QStyledItemDelegate):
delta = 0 if i == 0 else self.emblem_size + self.MARGIN
grect.moveLeft(grect.left() + delta) if horizontal else grect.moveTop(grect.top() + delta)
rect = QRect(grect)
rect.setWidth(emblem.width()), rect.setHeight(emblem.height())
rect.setWidth(int(emblem.width() / emblem.devicePixelRatio())), rect.setHeight(int(emblem.height() / emblem.devicePixelRatio()))
painter.drawPixmap(rect, emblem)
finally:
painter.restore()
def paint_embossed_emblem(self, pixmap, painter, orect, right_adjust, left=True):
drect = QRect(orect)
pw = int(pixmap.width() / pixmap.devicePixelRatio())
ph = int(pixmap.height() / pixmap.devicePixelRatio())
if left:
drect.setLeft(drect.left() + right_adjust)
drect.setRight(drect.left() + pixmap.width())
drect.setRight(drect.left() + pw)
else:
drect.setRight(drect.right() - right_adjust)
drect.setLeft(drect.right() - pixmap.width() + 1)
drect.setLeft(drect.right() - pw + 1)
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - pixmap.height())
drect.setTop(drect.bottom() - ph)
painter.drawPixmap(drect, pixmap)
@pyqtSlot(QHelpEvent, QAbstractItemView, QStyleOptionViewItem, QModelIndex, result=bool)