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Fix tga files with image ID field

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This commit is contained in:
Alexey Buzanov 2014-08-19 17:53:51 +04:00
parent 735d45b175
commit 1bd4919a35
1 changed files with 7 additions and 6 deletions
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13
PIL/TgaImagePlugin.py
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@ -19,6 +19,7 @@
__version__ = "0.3"
import os
from PIL import Image, ImageFile, ImagePalette, _binary
@ -42,9 +43,6 @@ MODES = {
}
def _accept(prefix):
return prefix[0:1] == b"\0"
##
# Image plugin for Targa files.
@ -58,7 +56,7 @@ class TgaImageFile(ImageFile.ImageFile):
# process header
s = self.fp.read(18)
id = i8(s[0])
idlen = i8(s[0])
colormaptype = i8(s[1])
imagetype = i8(s[2])
@ -70,7 +68,7 @@ class TgaImageFile(ImageFile.ImageFile):
self.size = i16(s[12:]), i16(s[14:])
# validate header fields
if id != 0 or colormaptype not in (0, 1) or\
if colormaptype not in (0, 1) or\
self.size[0] <= 0 or self.size[1] <= 0 or\
depth not in (1, 8, 16, 24, 32):
raise SyntaxError("not a TGA file")
@ -103,6 +101,9 @@ class TgaImageFile(ImageFile.ImageFile):
if imagetype & 8:
self.info["compression"] = "tga_rle"
if idlen:
self.fp.seek(idlen, os.SEEK_CUR)
if colormaptype:
# read palette
start, size, mapdepth = i16(s[3:]), i16(s[5:]), i16(s[7:])
@ -191,7 +192,7 @@ def _save(im, fp, filename, check=0):
# --------------------------------------------------------------------
# Registry
Image.register_open("TGA", TgaImageFile, _accept)
Image.register_open("TGA", TgaImageFile)
Image.register_save("TGA", _save)
Image.register_extension("TGA", ".tga")