Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-09 03:04:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

Forgot this in the last commit

Browse Source
This commit is contained in:
Kovid Goyal 2016-05-04 19:13:54 +05:30
parent 4521ac2e58
commit 54a7d72b17
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/calibre/utils/img.py
View File

@ -23,6 +23,19 @@ def get_exe_path(name):
return name return name
return os.path.join(base, name) return os.path.join(base, name)
_qimage_pixel_map = None
def get_pixel_map():
' Get the order of pixels in QImage (RGBA or BGRA usually) '
global _qimage_pixel_map
if _qimage_pixel_map is None:
i = QImage(1, 1, QImage.Format_ARGB32)
i.fill(QColor(0, 1, 2, 3))
raw = bytearray(i.constBits().asstring(4))
_qimage_pixel_map = {c:raw.index(x) for c, x in zip('RGBA', b'\x00\x01\x02\x03')}
_qimage_pixel_map = ''.join(sorted(_qimage_pixel_map, key=_qimage_pixel_map.get))
return _qimage_pixel_map
def image_from_data(data): def image_from_data(data):
if isinstance(data, QImage): if isinstance(data, QImage):
return data return data