From eef4d1ced12119af1a8137adb1d5c1ce4d95da0f Mon Sep 17 00:00:00 2001 From: Andrew Murray Date: Sun, 9 Oct 2022 08:48:07 +1100 Subject: [PATCH] Moved mode check outside of loops --- src/libImaging/Paste.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/libImaging/Paste.c b/src/libImaging/Paste.c index fafd8141edf..acf5202e50c 100644 --- a/src/libImaging/Paste.c +++ b/src/libImaging/Paste.c @@ -432,18 +432,18 @@ fill_mask_L( } } else { + int alpha_channel = strcmp(imOut->mode, "RGBa") == 0 || + strcmp(imOut->mode, "RGBA") == 0 || + strcmp(imOut->mode, "La") == 0 || + strcmp(imOut->mode, "LA") == 0 || + strcmp(imOut->mode, "PA") == 0; for (y = 0; y < ysize; y++) { UINT8 *out = (UINT8 *)imOut->image[y + dy] + dx * pixelsize; UINT8 *mask = (UINT8 *)imMask->image[y + sy] + sx; for (x = 0; x < xsize; x++) { for (i = 0; i < pixelsize; i++) { UINT8 channel_mask = *mask; - if ((strcmp(imOut->mode, "RGBa") == 0 || - strcmp(imOut->mode, "RGBA") == 0 || - strcmp(imOut->mode, "La") == 0 || - strcmp(imOut->mode, "LA") == 0 || - strcmp(imOut->mode, "PA") == 0) && - i != 3 && channel_mask != 0) { + if (alpha_channel && i != 3 && channel_mask != 0) { channel_mask = 255 - (255 - channel_mask) * (1 - (255 - out[3]) / 255); }