/usr/lib/python2.6/site-packages/tablib/packages/xlwt
Edit: /usr/lib/python2.6/site-packages/tablib/packages/xlwt/Bitmap.pyc (7723B)
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f S( sú Calculate the vertices that define the position of the image as required by
the OBJ record.
+------------+------------+
| A | B |
+-----+------------+------------+
| |(x1,y1) | |
| 1 |(A1)._______|______ |
| | | | |
| | | | |
+-----+----| BITMAP |-----+
| | | | |
| 2 | |______________. |
| | | (B2)|
| | | (x2,y2)|
+---- +------------+------------+
Example of a bitmap that covers some of the area from cell A1 to cell B2.
Based on the width and height of the bitmap we need to calculate 8 vars:
col_start, row_start, col_end, row_end, x1, y1, x2, y2.
The width and height of the cells are also variable and have to be taken into
account.
The values of col_start and row_start are passed in from the calling
function. The values of col_end and row_end are calculated by subtracting
the width and height of the bitmap from the width and height of the
underlying cells.
The vertices are expressed as a percentage of the underlying cell width as
follows (rhs values are in pixels):
x1 = X / W *1024
y1 = Y / H *256
x2 = (X-1) / W *1024
y2 = (Y-1) / H *256
Where: X is distance from the left side of the underlying cell
Y is distance from the top of the underlying cell
W is the width of the cell
H is the height of the cell
Note: the SDK incorrectly states that the height should be expressed as a
percentage of 1024.
col_start - Col containing upper left corner of object
row_start - Row containing top left corner of object
x1 - Distance to left side of object
y1 - Distance to top of object
width - Width of image frame
height - Height of image frame
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t sizeR R t planest bitcountt compressiont header( ( s; /tmp/pip-build-lt8jXN/tablib/tablib/packages/xlwt/Bitmap.pyt _process_bitmap¼ sD
t ImDataBmpRecordc B s e Z d Z d „ Z RS( i c C sc t i | ƒ t | ƒ \ | _ | _ | _ } d } d } | i } t d | | | ƒ | | _ d S( s¡ Insert a 24bit bitmap image in a worksheet. The main record required is
IMDATA but it must be proceeded by a OBJ record to define its position.
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