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app: in file-psd, make layer-group saving more Photoshop-like 

Tweak the layer group saving code so that the saved PSDs match
Photoshop-produced PSDs a bit more closely.  For the most part, it
doesn't seem to matter much, but it does somewhat improve
compatibility with other programs that read PSDs.
This commit is contained in:
Ell 2017-10-09 10:42:28 -04:00
parent 9e015f4b7d
commit adff950d58
1 changed files with 19 additions and 19 deletions
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38
plug-ins/file-psd/psd-save.c
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@ -137,7 +137,8 @@ static PSD_Image_Data PSDImageData;
/* Declare some local functions.
*/
static const gchar * psd_lmode_layer (gint32 idLayer);
static const gchar * psd_lmode_layer (gint32 idLayer,
gboolean section_divider);
static void reshuffle_cmap_write (guchar *mapGimp);
@ -202,7 +203,8 @@ static PSD_Layer * image_get_all_layers (gint32 imageID,
gint *n_layers);
static const gchar *
psd_lmode_layer (gint32 idLayer)
psd_lmode_layer (gint32 idLayer,
gboolean section_divider)
{
LayerModeInfo mode_info;
@ -214,7 +216,7 @@ psd_lmode_layer (gint32 idLayer)
/* pass-through groups use normal mode in their layer record; the
* pass-through mode is specified in their section divider resource.
*/
if (mode_info.mode == GIMP_LAYER_MODE_PASS_THROUGH)
if (mode_info.mode == GIMP_LAYER_MODE_PASS_THROUGH && ! section_divider)
mode_info.mode = GIMP_LAYER_MODE_NORMAL;
return gimp_to_psd_blend_mode (&mode_info);
@ -993,7 +995,7 @@ save_layer_and_mask (FILE *fd,
xfwrite (fd, "8BIM", 4, "blend mode signature");
blendMode = psd_lmode_layer (PSDImageData.lLayers[i].id);
blendMode = psd_lmode_layer (PSDImageData.lLayers[i].id, FALSE);
IFDBG printf ("\t\tBlend mode: %s\n", blendMode);
xfwrite (fd, blendMode, 4, "blend mode key");
@ -1007,6 +1009,7 @@ save_layer_and_mask (FILE *fd,
flags = 0;
if (gimp_layer_get_lock_alpha (PSDImageData.lLayers[i].id)) flags |= 1;
if (! gimp_item_get_visible (PSDImageData.lLayers[i].id)) flags |= 2;
if (PSDImageData.lLayers[i].type != PSD_LAYER_TYPE_LAYER) flags |= 0x18;
IFDBG printf ("\t\tFlags: %u\n", flags);
write_gchar (fd, flags, "Flags");
@ -1047,7 +1050,10 @@ save_layer_and_mask (FILE *fd,
write_gint32 (fd, 0, "Layer blending size");
IFDBG printf ("\t\tLayer blending size: %d\n", 0);
layerName = gimp_item_get_name (PSDImageData.lLayers[i].id);
if (PSDImageData.lLayers[i].type != PSD_LAYER_TYPE_GROUP_END)
layerName = gimp_item_get_name (PSDImageData.lLayers[i].id);
else
layerName = g_strdup ("</Layer group>");
write_pascalstring (fd, layerName, 4, "layer name");
IFDBG printf ("\t\tLayer name: %s\n", layerName);
@ -1055,6 +1061,8 @@ save_layer_and_mask (FILE *fd,
/* Unicode layer name */
write_datablock_luni(fd, layerName, "luni extra data block");
g_free (layerName);
/* Layer color tag */
xfwrite (fd, "8BIMlclr", 8, "sheet color signature");
write_gint32 (fd, 8, "sheet color size");
@ -1068,31 +1076,23 @@ save_layer_and_mask (FILE *fd,
/* Group layer section divider */
if (PSDImageData.lLayers[i].type != PSD_LAYER_TYPE_LAYER)
{
gint32 size;
gint32 type;
gboolean pass_through;
gint32 size;
gint32 type;
size = 4;
size = 12;
if (PSDImageData.lLayers[i].type == PSD_LAYER_TYPE_GROUP_START)
type = 1;
else
type = 3;
/* pass-through groups use normal mode in their layer record; the
* pass-through mode is specified in their section divider resource.
*/
pass_through = gimp_layer_get_mode (PSDImageData.lLayers[i].id) ==
GIMP_LAYER_MODE_PASS_THROUGH;
if (pass_through)
size += 8;
blendMode = psd_lmode_layer (PSDImageData.lLayers[i].id, TRUE);
xfwrite (fd, "8BIMlsct", 8, "section divider");
write_gint32 (fd, size, "section divider size");
write_gint32 (fd, type, "section divider type");
if (pass_through)
xfwrite (fd, "8BIMpass", 8, "section divider blend mode");
xfwrite (fd, "8BIM", 4, "section divider blend mode signature");
xfwrite (fd, blendMode, 4, "section divider blend mode key");
}
/* Write real length for: Extra data */