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remove unpackers with identical output

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Andrew Murray 2024-06-29 14:23:41 +10:00 committed by Yay295
parent ad7ecd4680
commit fe661d5f14
1 changed files with 3 additions and 33 deletions
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36
src/libImaging/Unpack.c
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@ -883,36 +883,6 @@ ImagingUnpackBGR565(UINT8 *out, const UINT8 *in, const int pixels) {
}
}
void
ImagingUnpackRGB4B(UINT8 *out, const UINT8 *in, int pixels) {
int i, pixel;
/* RGB, 4 bits per pixel, little-endian */
for (i = 0; i < pixels; i++) {
pixel = in[0] + (in[1] << 8);
out[R] = (pixel & 15) * 17;
out[G] = ((pixel >> 4) & 15) * 17;
out[B] = ((pixel >> 8) & 15) * 17;
out[A] = 255;
out += 4;
in += 2;
}
}
void
ImagingUnpackRGBA4B(UINT8 *out, const UINT8 *in, int pixels) {
int i, pixel;
/* RGBA, 4 bits per pixel, little-endian */
for (i = 0; i < pixels; i++) {
pixel = in[0] + (in[1] << 8);
out[R] = (pixel & 15) * 17;
out[G] = ((pixel >> 4) & 15) * 17;
out[B] = ((pixel >> 8) & 15) * 17;
out[A] = ((pixel >> 12) & 15) * 17;
out += 4;
in += 2;
}
}
static void
ImagingUnpackXBGR4(UINT8 *out, const UINT8 *in, const int pixels) {
/* XBGR, 4 bits per pixel, little-endian */
@ -1791,7 +1761,7 @@ static struct {
{"RGB", "RGB;565", 16, ImagingUnpackRGB565},
{"RGB", "BGR;16", 16, ImagingUnpackBGR16},
{"RGB", "BGR;565", 16, ImagingUnpackBGR565},
{"RGB", "RGB;4B", 16, ImagingUnpackRGB4B},
{"RGB", "RGB;4B", 16, ImagingUnpackXBGR4},
{"RGB", "XBGR;4", 16, ImagingUnpackXBGR4},
{"RGB", "ABGR;4", 16, ImagingUnpackABGR4},
{"RGB", "BGR;5", 16, ImagingUnpackBGR15}, /* compat */
@ -1843,7 +1813,7 @@ static struct {
{"RGBA", "RGBA;15", 16, ImagingUnpackRGBA15},
{"RGBA", "BGRA;15", 16, ImagingUnpackBGRA15},
{"RGBA", "BGRA;15Z", 16, ImagingUnpackBGRA15Z},
{"RGBA", "RGBA;4B", 16, ImagingUnpackRGBA4B},
{"RGBA", "RGBA;4B", 16, ImagingUnpackABGR4},
{"RGBA", "ABGR;4", 16, ImagingUnpackABGR4},
{"RGBA", "RGBA;16L", 64, unpackRGBA16L},
{"RGBA", "RGBA;16B", 64, unpackRGBA16B},
@ -1912,7 +1882,7 @@ static struct {
{"RGBX", "BGR;15", 16, ImagingUnpackBGR15},
{"RGBX", "XBGR;1555", 16, ImagingUnpackXBGR1555},
{"RGBX", "BGR;565", 16, ImagingUnpackBGR565},
{"RGBX", "RGB;4B", 16, ImagingUnpackRGB4B},
{"RGBX", "RGB;4B", 16, ImagingUnpackXBGR4},
{"RGBX", "XBGR;4", 16, ImagingUnpackXBGR4},
{"RGBX", "BGR;5", 16, ImagingUnpackBGR15}, /* compat */
{"RGBX", "RGBX", 32, copy4},