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This commit is contained in:
hugovk 2016-01-06 12:07:40 +02:00
parent 517cbbff08
commit 9dd68bb0be
1 changed files with 10 additions and 4 deletions
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14
PIL/DdsImagePlugin.py
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@ -61,7 +61,8 @@ DDS_LUMINANCEA = DDPF_LUMINANCE | DDPF_ALPHAPIXELS
DDS_ALPHA = DDPF_ALPHA
DDS_PAL8 = DDPF_PALETTEINDEXED8
DDS_HEADER_FLAGS_TEXTURE = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT
DDS_HEADER_FLAGS_TEXTURE = (DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH |
DDSD_PIXELFORMAT)
DDS_HEADER_FLAGS_MIPMAP = DDSD_MIPMAPCOUNT
DDS_HEADER_FLAGS_VOLUME = DDSD_DEPTH
DDS_HEADER_FLAGS_PITCH = DDSD_PITCH
@ -102,9 +103,11 @@ def decode565(bits):
def _c2a(a, b):
return (2 * a + b) // 3
def _c2b(a, b):
return (a + b) // 2
def _c3(a, b):
return (2 * b + a) // 3
@ -175,7 +178,8 @@ def dxt5(data, width, height):
for y in range(0, height, 4):
for x in range(0, width, 4):
a0, a1, ac0, ac1, c0, c1, code = struct.unpack("<2BHI2HI", data.read(16))
a0, a1, ac0, ac1, c0, c1, code = struct.unpack("<2BHI2HI",
data.read(16))
r0, g0, b0 = decode565(c0)
r1, g1, b1 = decode565(c1)
@ -221,7 +225,8 @@ class DdsImageFile(ImageFile.ImageFile):
# pixel format
pfsize, pfflags = struct.unpack("<2I", header.read(8))
fourcc = header.read(4)
bitcount, rmask, gmask, bmask, amask = struct.unpack("<5I", header.read(20))
bitcount, rmask, gmask, bmask, amask = struct.unpack("<5I",
header.read(20))
self.tile = [
("raw", (0, 0) + self.size, 0, (self.mode, 0, 1))
@ -234,7 +239,8 @@ class DdsImageFile(ImageFile.ImageFile):
self.pixel_format = "DXT5"
codec = dxt5
else:
raise NotImplementedError("Unimplemented pixel format %r" % (fourcc))
raise NotImplementedError("Unimplemented pixel format %r" %
(fourcc))
decoded_data = codec(self.fp, self.width, self.height)