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Updated BGRA comments

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This commit is contained in:
Andrew Murray 2022-04-02 22:00:49 +11:00
parent e500dcfb97
commit 29c122fe5d
1 changed files with 4 additions and 4 deletions
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8
src/libImaging/Unpack.c
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@ -705,7 +705,7 @@ ImagingUnpackBGR15(UINT8 *out, const UINT8 *in, int pixels) {
void
ImagingUnpackBGRA15(UINT8 *out, const UINT8 *in, int pixels) {
int i, pixel;
/* RGB, reversed bytes, 5/5/5/1 bits per pixel */
/* RGB, rearranged channels, 5/5/5/1 bits per pixel */
for (i = 0; i < pixels; i++) {
pixel = in[0] + (in[1] << 8);
out[B] = (pixel & 31) * 255 / 31;
@ -1056,7 +1056,7 @@ unpackABGR(UINT8 *_out, const UINT8 *in, int pixels) {
static void
unpackBGRA(UINT8 *_out, const UINT8 *in, int pixels) {
int i;
/* RGBA, reversed bytes */
/* RGBA, rearranged channels */
for (i = 0; i < pixels; i++) {
UINT32 iv = MAKE_UINT32(in[2], in[1], in[0], in[3]);
memcpy(_out, &iv, sizeof(iv));
@ -1068,7 +1068,7 @@ unpackBGRA(UINT8 *_out, const UINT8 *in, int pixels) {
static void
unpackBGRA16L(UINT8 *_out, const UINT8 *in, int pixels) {
int i;
/* 16-bit RGBA, little-endian order, reversed words */
/* 16-bit RGBA, little-endian order, rearranged channels */
for (i = 0; i < pixels; i++) {
UINT32 iv = MAKE_UINT32(in[5], in[3], in[1], in[7]);
memcpy(_out, &iv, sizeof(iv));
@ -1080,7 +1080,7 @@ unpackBGRA16L(UINT8 *_out, const UINT8 *in, int pixels) {
static void
unpackBGRA16B(UINT8 *_out, const UINT8 *in, int pixels) {
int i;
/* 16-bit RGBA, big-endian order, reversed words */
/* 16-bit RGBA, big-endian order, rearranged channels */
for (i = 0; i < pixels; i++) {
UINT32 iv = MAKE_UINT32(in[4], in[2], in[0], in[6]);
memcpy(_out, &iv, sizeof(iv));