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raw2png: Handle r5g6b5 format.

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This commit is contained in:
José Fonseca
2008-07-20 09:27:27 +09:00
parent b1d6ff1afd
commit 939be248fe
1 changed files with 20 additions and 10 deletions
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30
bin/raw2png.py
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@@ -254,30 +254,40 @@ def yuv2rgb(y, u, v):
return r, g, b
def translate_rgba(data):
r, g, b, a = data
def translate_r5g6b5(data):
value, = struct.unpack_from("H", data)
r = ((value >> 11) & 0x1f)*0xff/0x1f
g = ((value >> 5) & 0x3f)*0xff/0x3f
b = ((value >> 0) & 0x1f)*0xff/0x1f
a = 255
return [[(r, g, b, a)]]
def translate_r8g8b8a8(data):
r, g, b, a = struct.unpack_from("BBBB", data)
return [[(r, g, b, a)]]
def translate_ycbcr(data):
y1, u, y2, v = data
y1, u, y2, v = struct.unpack_from("BBBB", data)
r1, g1, b1 = yuv2rgb(y1, u, v)
r2, g2, b2 = yuv2rgb(y1, u, v)
return [[(r1, g1, b1, 255), (r2, g2, b2, 255)]]
def translate_ycbcr_rev(data):
v, y2, u, y1 = data
v, y2, u, y1 = struct.unpack_from("BBBB", data)
r1, g1, b1 = yuv2rgb(y1, u, v)
r2, g2, b2 = yuv2rgb(y1, u, v)
return [[(r1, g1, b1, 255), (r2, g2, b2, 255)]]
translate = {
PIPE_FORMAT_A8R8G8B8_UNORM: (4, 1, 1, translate_rgba),
PIPE_FORMAT_X8R8G8B8_UNORM: (4, 1, 1, translate_rgba),
PIPE_FORMAT_B8G8R8A8_UNORM: (4, 1, 1, translate_rgba),
PIPE_FORMAT_B8G8R8X8_UNORM: (4, 1, 1, translate_rgba),
PIPE_FORMAT_A8B8G8R8_SNORM: (4, 1, 1, translate_rgba),
PIPE_FORMAT_A8R8G8B8_UNORM: (4, 1, 1, translate_r8g8b8a8),
PIPE_FORMAT_X8R8G8B8_UNORM: (4, 1, 1, translate_r8g8b8a8),
PIPE_FORMAT_B8G8R8A8_UNORM: (4, 1, 1, translate_r8g8b8a8),
PIPE_FORMAT_B8G8R8X8_UNORM: (4, 1, 1, translate_r8g8b8a8),
PIPE_FORMAT_A8B8G8R8_SNORM: (4, 1, 1, translate_r8g8b8a8),
PIPE_FORMAT_R5G6B5_UNORM: (2, 1, 1, translate_r5g6b5),
PIPE_FORMAT_YCBCR: (4, 2, 1, translate_ycbcr),
PIPE_FORMAT_YCBCR_REV: (4, 2, 1, translate_ycbcr_rev),
}
@@ -304,7 +314,7 @@ def process(infilename, outfilename):
return
for y in range(0, height, bheight):
for x in range(0, width, bwidth):
indata = map(ord, infile.read(4))
indata = infile.read(bsize)
outdata = translate_func(indata)
for j in range(bheight):
for i in range(bwidth):