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plug-ins: Import legacy PSD Outer Glow

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This patch adds support for loading and
applying active legacy Outer Glow
layer styles in PSD images. It uses
gegl:dropshadow with certain preset values
to replicate the Photoshop filter.
This commit is contained in:
Alx Sa 2025-11-28 04:22:33 +00:00
parent 046c8f2745
commit 993d8b7e4f
2 changed files with 60 additions and 16 deletions
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39
plug-ins/file-psd/psd-layer-res-load.c
View file

@ -802,18 +802,18 @@ load_resource_lrfx (const PSDlayerres *res_a,
else
shadow = &ls_a->isdw;
if (psd_read (input, &shadow->size, 4, error) < 4 ||
psd_read (input, &shadow->ver, 4, error) < 4 ||
psd_read (input, &temp, 16, error) < 2 ||
psd_read (input, &shadow->color[0], 2, error) < 2 ||
psd_read (input, &shadow->color[1], 2, error) < 2 ||
psd_read (input, &shadow->color[2], 2, error) < 2 ||
psd_read (input, &shadow->color[3], 2, error) < 2 ||
psd_read (input, &shadow->color[4], 2, error) < 2 ||
psd_read (input, &bim, 4, error) < 4 ||
psd_read (input, &shadow->blendsig, 4, error) < 4 ||
psd_read (input, &shadow->effecton, 1, error) < 1 ||
psd_read (input, &shadow->anglefx, 1, error) < 1 ||
if (psd_read (input, &shadow->size, 4, error) < 4 ||
psd_read (input, &shadow->ver, 4, error) < 4 ||
psd_read (input, &temp, 16, error) < 16 ||
psd_read (input, &shadow->color[0], 2, error) < 2 ||
psd_read (input, &shadow->color[1], 2, error) < 2 ||
psd_read (input, &shadow->color[2], 2, error) < 2 ||
psd_read (input, &shadow->color[3], 2, error) < 2 ||
psd_read (input, &shadow->color[4], 2, error) < 2 ||
psd_read (input, &bim, 4, error) < 4 ||
psd_read (input, &shadow->blendsig, 4, error) < 4 ||
psd_read (input, &shadow->effecton, 1, error) < 1 ||
psd_read (input, &shadow->anglefx, 1, error) < 1 ||
psd_read (input, &shadow->opacity, 1, error) < 1)
{
psd_set_error (error);
@ -845,18 +845,19 @@ load_resource_lrfx (const PSDlayerres *res_a,
}
else if (memcmp (effectname, "oglw", 4) == 0)
{
gchar bim[4];
guint16 temp[4];
if (psd_read (input, &ls_a->oglw.size, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.ver, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.blur, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.intensity, 4, error) < 4 ||
psd_read (input, &temp, 8, error) < 8 ||
psd_read (input, &ls_a->oglw.color[0], 2, error) < 2 ||
psd_read (input, &ls_a->oglw.color[1], 2, error) < 2 ||
psd_read (input, &ls_a->oglw.color[2], 2, error) < 2 ||
psd_read (input, &ls_a->oglw.color[3], 2, error) < 2 ||
psd_read (input, &ls_a->oglw.color[4], 2, error) < 2 ||
psd_read (input, &bim, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.blendsig, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.effect, 4, error) < 4 ||
psd_read (input, &ls_a->oglw.effecton, 1, error) < 1 ||
psd_read (input, &ls_a->oglw.opacity, 1, error) < 1)
{
@ -864,7 +865,13 @@ load_resource_lrfx (const PSDlayerres *res_a,
return -1;
}
ls_a->oglw.size = GUINT32_TO_BE (ls_a->oglw.size);
ls_a->oglw.size = GUINT32_TO_BE (ls_a->oglw.size);
ls_a->oglw.ver = GUINT32_TO_BE (ls_a->oglw.ver);
ls_a->oglw.blur = FIXED_TO_FLOAT (GUINT16_TO_BE (temp[0]),
GUINT16_TO_BE (temp[1]));
ls_a->oglw.intensity = FIXED_TO_FLOAT (GUINT16_TO_BE (temp[2]),
GUINT16_TO_BE (temp[3]));
if (ls_a->oglw.size == 42)
{
if (psd_read (input, &ls_a->oglw.natcolor[0], 2, error) < 2 ||

37
plug-ins/file-psd/psd-load.c
View file

@ -2796,6 +2796,43 @@ add_legacy_layer_effects (GimpLayer *layer,
g_object_unref (color);
}
if (lyr_a->layer_styles->oglw.effecton == 1)
{
PSDLayerStyleGlow oglw;
GimpLayerMode mode;
GimpDrawableFilter *filter;
GeglColor *color = gegl_color_new ("none");
gdouble blur;
oglw = lyr_a->layer_styles->oglw;
blur = (oglw.blur / 250.0) * 100.0;
if (oglw.ver == 0)
convert_legacy_psd_color (color, oglw.color, space, ibm_pc_format);
else if (oglw.ver == 2)
convert_legacy_psd_color (color, oglw.natcolor, space, ibm_pc_format);
convert_psd_mode (oglw.blendsig, &mode);
filter = gimp_drawable_append_new_filter (GIMP_DRAWABLE (layer),
"gegl:dropshadow",
/* TODO: Translate after string freeze */
"Outer Glow (imported)",
GIMP_LAYER_MODE_REPLACE,
1.0,
"x", 0,
"y", 0,
"radius", blur,
"grow-radius", blur,
"color", color,
"opacity", oglw.opacity / 255.0,
NULL);
g_object_unref (filter);
g_object_unref (color);
}
if (lyr_a->layer_styles->isdw.effecton == 1)
{
PSDLayerStyleShadow isdw;