pax/booru-viewer
1
0
Fork 0
Code Issues Releases 18 Activity

grid: store source pixmap for lossless re-scaling

Browse Source 
set_pixmap now keeps the original pixmap alongside the scaled display
copy. Used by live thumbnail resize in settings — re-scales from the
source instead of the already-scaled pixmap, preventing quality
degradation when changing sizes up and down.
This commit is contained in:
pax 2026-04-11 22:26:28 -05:00
parent d895c28608
commit 9592830e67
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
booru_viewer/gui/grid.py
View File

@ -74,6 +74,7 @@ class ThumbnailWidget(QWidget):
super().__init__(parent) super().__init__(parent)
self.index = index self.index = index
self._pixmap: QPixmap | None = None self._pixmap: QPixmap | None = None
self._source_pixmap: QPixmap | None = None # original, for re-scaling on size change
self._selected = False self._selected = False
self._multi_selected = False self._multi_selected = False
self._bookmarked = False self._bookmarked = False
@ -97,6 +98,7 @@ class ThumbnailWidget(QWidget):
self.setMouseTracking(True) self.setMouseTracking(True)
def set_pixmap(self, pixmap: QPixmap) -> None: def set_pixmap(self, pixmap: QPixmap) -> None:
self._source_pixmap = pixmap
self._pixmap = pixmap.scaled( self._pixmap = pixmap.scaled(
THUMB_SIZE - 4, THUMB_SIZE - 4, THUMB_SIZE - 4, THUMB_SIZE - 4,
Qt.AspectRatioMode.KeepAspectRatio, Qt.AspectRatioMode.KeepAspectRatio,