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app: Use pixel_region_has_alpha()

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For increased readability.
This commit is contained in:
Martin Nordholts 2011-09-07 16:00:48 +02:00
parent 7a2208d1bd
commit 50acd95e9d
5 changed files with 10 additions and 7 deletions
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2
app/base/color-balance.c
View file

@ -180,7 +180,7 @@ color_balance (ColorBalance *cb,
h = srcPR->h;
src = srcPR->data;
dest = destPR->data;
alpha = (srcPR->bytes == 4) ? TRUE : FALSE;
alpha = pixel_region_has_alpha (srcPR);
while (h--)
{

2
app/base/colorize.c
View file

@ -92,7 +92,7 @@ colorize (Colorize *colorize,
h = srcPR->h;
src = srcPR->data;
dest = destPR->data;
alpha = (srcPR->bytes == 4) ? TRUE : FALSE;
alpha = pixel_region_has_alpha (srcPR);
while (h--)
{

9
app/base/desaturate.c
View file

@ -51,15 +51,18 @@ desaturate_region (GimpDesaturateMode *mode,
switch (*mode)
{
case GIMP_DESATURATE_LIGHTNESS:
desaturate_region_lightness (srcPR, destPR, srcPR->bytes == 4);
desaturate_region_lightness (srcPR, destPR,
pixel_region_has_alpha (srcPR));
break;
case GIMP_DESATURATE_LUMINOSITY:
desaturate_region_luminosity (srcPR, destPR, srcPR->bytes == 4);
desaturate_region_luminosity (srcPR, destPR,
pixel_region_has_alpha (srcPR));
break;
case GIMP_DESATURATE_AVERAGE:
desaturate_region_average (srcPR, destPR, srcPR->bytes == 4);
desaturate_region_average (srcPR, destPR,
pixel_region_has_alpha (srcPR));
break;
}
}

2
app/base/hue-saturation.c
View file

@ -116,7 +116,7 @@ hue_saturation (HueSaturation *hs,
h = srcPR->h;
src = srcPR->data;
dest = destPR->data;
alpha = (srcPR->bytes == 4) ? TRUE : FALSE;
alpha = pixel_region_has_alpha (srcPR);
while (h--)
{

2
app/base/threshold.c
View file

@ -40,7 +40,7 @@ threshold (Threshold *tr,
h = srcPR->h;
src = srcPR->data;
dest = destPR->data;
has_alpha = (srcPR->bytes == 2 || srcPR->bytes == 4);
has_alpha = pixel_region_has_alpha (srcPR);
alpha = has_alpha ? srcPR->bytes - 1 : srcPR->bytes;
while (h--)