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Rename variable, since alpha channel is not dropped

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This commit is contained in:
Andrew Murray 2024-09-21 15:54:27 +10:00
parent a988750595
commit 83c7043471
1 changed files with 2 additions and 3 deletions
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5
src/_webp.c
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@ -89,8 +89,6 @@ HandleMuxError(WebPMuxError err, char *chunk) {
static int
import_frame_libwebp(WebPPicture *frame, Imaging im) {
int drop_alpha = strcmp(im->mode, "RGBA");
if (strcmp(im->mode, "RGBA") && strcmp(im->mode, "RGB") &&
strcmp(im->mode, "RGBX")) {
PyErr_SetString(PyExc_ValueError, "unsupported image mode");
@ -106,10 +104,11 @@ import_frame_libwebp(WebPPicture *frame, Imaging im) {
return -2;
}
int ignore_fourth_channel = strcmp(im->mode, "RGBA");
for (int y = 0; y < im->ysize; ++y) {
UINT8 *src = (UINT8 *)im->image32[y];
UINT32 *dst = frame->argb + frame->argb_stride * y;
if (drop_alpha) {
if (ignore_fourth_channel) {
for (int x = 0; x < im->xsize; ++x) {
dst[x] =
((UINT32)(src[x * 4 + 2]) | ((UINT32)(src[x * 4 + 1]) << 8) |