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app: use cached fishes in lch chroma mode

This commit is contained in:
Øyvind Kolås 2017-01-13 17:51:13 +01:00
parent de7ceeb041
commit acd20fb55b
1 changed files with 32 additions and 17 deletions
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49
app/operations/layer-modes/gimpoperationlchchroma.c
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@ -87,7 +87,8 @@ gimp_operation_lch_chroma_process (GeglOperation *operation,
}
static void
chroma_pre_process (const Babl *format,
chroma_pre_process (const Babl *from_fish,
const Babl *to_fish,
const gfloat *in,
const gfloat *layer,
gfloat *out,
@ -96,8 +97,8 @@ chroma_pre_process (const Babl *format,
gfloat tmp[4 * samples], *layer_lab = tmp;
gint i;
babl_process (babl_fish (format, "CIE Lab alpha float"), in, out, samples);
babl_process (babl_fish (format, "CIE Lab alpha float"), layer, layer_lab, samples);
babl_process (from_fish, in, out, samples);
babl_process (from_fish, layer, layer_lab, samples);
for (i = 0; i < samples; ++i)
{
@ -118,24 +119,22 @@ chroma_pre_process (const Babl *format,
}
}
babl_process (babl_fish ("CIE Lab alpha float", format), out, out, samples);
babl_process (to_fish, out, out, samples);
}
static void
chroma_post_process (const gfloat *in,
const gfloat *layer,
const gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples)
gimp_operation_layer_composite (const gfloat *in,
const gfloat *layer,
const gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples)
{
while (samples--)
{
gfloat comp_alpha = layer[ALPHA] * opacity;
if (mask)
comp_alpha *= *mask++;
if (comp_alpha != 0.0f)
{
out[RED] = out[RED] * comp_alpha + in[RED] * (1.0f - comp_alpha);
@ -145,7 +144,6 @@ chroma_post_process (const gfloat *in,
else
{
gint b;
for (b = RED; b < ALPHA; b++)
{
out[b] = in[b];
@ -170,8 +168,16 @@ gimp_operation_lch_chroma_process_pixels_linear (gfloat *in,
const GeglRectangle *roi,
gint level)
{
chroma_pre_process (babl_format ("RGBA float"), in, layer, out, samples);
chroma_post_process (in, layer, mask, out, opacity, samples);
static const Babl *from_fish;
static const Babl *to_fish;
if (!from_fish)
from_fish = babl_fish ("RGBA float", "CIE Lab alpha float");
if (!to_fish)
to_fish = babl_fish ("CIE Lab alpha float", "RGBA float");
chroma_pre_process (from_fish, to_fish, in, layer, out, samples);
gimp_operation_layer_composite (in, layer, mask, out, opacity, samples);
return TRUE;
}
@ -186,8 +192,17 @@ gimp_operation_lch_chroma_process_pixels (gfloat *in,
const GeglRectangle *roi,
gint level)
{
chroma_pre_process (babl_format ("R'G'B'A float"), in, layer, out, samples);
chroma_post_process (in, layer, mask, out, opacity, samples);
static const Babl *from_fish = NULL;
static const Babl *to_fish = NULL;
if (!from_fish)
from_fish = babl_fish ("R'G'B'A float", "CIE Lab alpha float");
if (!to_fish)
to_fish = babl_fish ("CIE Lab alpha float", "R'G'B'A float");
chroma_pre_process (from_fish, to_fish, in, layer, out, samples);
gimp_operation_layer_composite (in, layer, mask, out, opacity, samples);
return TRUE;
}