summaryrefslogtreecommitdiffstats
path: root/tools/ota/convert-to-bmp.py
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tools/ota/convert-to-bmp.py79
1 files changed, 0 insertions, 79 deletions
diff --git a/tools/ota/convert-to-bmp.py b/tools/ota/convert-to-bmp.py
deleted file mode 100644
index 446c09da8..000000000
--- a/tools/ota/convert-to-bmp.py
+++ /dev/null
@@ -1,79 +0,0 @@
-#!/usr/bin/python2.4
-
-"""A simple script to convert asset images to BMP files, that supports
-RGBA image."""
-
-import struct
-import Image
-import sys
-
-infile = sys.argv[1]
-outfile = sys.argv[2]
-
-if not outfile.endswith(".bmp"):
- print >> sys.stderr, "Warning: I'm expecting to write BMP files."
-
-im = Image.open(infile)
-if im.mode == 'RGB':
- im.save(outfile)
-elif im.mode == 'RGBA':
- # Python Imaging Library doesn't write RGBA BMP files, so we roll
- # our own.
-
- BMP_HEADER_FMT = ("<" # little-endian
- "H" # signature
- "L" # file size
- "HH" # reserved (set to 0)
- "L" # offset to start of bitmap data)
- )
-
- BITMAPINFO_HEADER_FMT= ("<" # little-endian
- "L" # size of this struct
- "L" # width
- "L" # height
- "H" # planes (set to 1)
- "H" # bit count
- "L" # compression (set to 0 for minui)
- "L" # size of image data (0 if uncompressed)
- "L" # x pixels per meter (1)
- "L" # y pixels per meter (1)
- "L" # colors used (0)
- "L" # important colors (0)
- )
-
- fileheadersize = struct.calcsize(BMP_HEADER_FMT)
- infoheadersize = struct.calcsize(BITMAPINFO_HEADER_FMT)
-
- header = struct.pack(BMP_HEADER_FMT,
- 0x4d42, # "BM" in little-endian
- (fileheadersize + infoheadersize +
- im.size[0] * im.size[1] * 4),
- 0, 0,
- fileheadersize + infoheadersize)
-
- info = struct.pack(BITMAPINFO_HEADER_FMT,
- infoheadersize,
- im.size[0],
- im.size[1],
- 1,
- 32,
- 0,
- 0,
- 1,
- 1,
- 0,
- 0)
-
- f = open(outfile, "wb")
- f.write(header)
- f.write(info)
- data = im.tostring()
- for j in range(im.size[1]-1, -1, -1): # rows bottom-to-top
- for i in range(j*im.size[0]*4, (j+1)*im.size[0]*4, 4):
- f.write(data[i+2]) # B
- f.write(data[i+1]) # G
- f.write(data[i+0]) # R
- f.write(data[i+3]) # A
- f.close()
-else:
- print >> sys.stderr, "Don't know how to handle image mode '%s'." % (im.mode,)