mirror of https://github.com/GNOME/gimp.git
plug-ins: Export PSD with paths
Ports PSD path export from file-tiff-save.c so that paths are carried over in PSD project files as well.
This commit is contained in:
Alx Sa
parent
b3332bb900
commit
697b41dc45
|
|
@ -145,6 +145,9 @@ static void save_resources (GOutputStream *output,
|
|||
gboolean export_cmyk,
|
||||
gboolean export_duotone);
|
||||
|
||||
static void save_paths (GOutputStream *output,
|
||||
GimpImage *image);
|
||||
|
||||
static void save_layer_and_mask (GOutputStream *output,
|
||||
GimpImage *image,
|
||||
gboolean export_cmyk);
|
||||
|
|
@ -153,6 +156,9 @@ static void save_data (GOutputStream *output,
|
|||
GimpImage *image,
|
||||
gboolean export_cmyk);
|
||||
|
||||
static void double_to_psd_fixed (gdouble value,
|
||||
gchar *target);
|
||||
|
||||
static void xfwrite (GOutputStream *output,
|
||||
gconstpointer buf,
|
||||
gsize len,
|
||||
|
|
@ -844,6 +850,9 @@ save_resources (GOutputStream *output,
|
|||
(int) sizeof (gint16));
|
||||
}
|
||||
|
||||
/* --------------- Write paths ------------------- */
|
||||
save_paths (output, image);
|
||||
|
||||
/* --------------- Write resolution data ------------------- */
|
||||
{
|
||||
gdouble xres = 0, yres = 0;
|
||||
|
|
@ -1066,6 +1075,169 @@ get_compress_channel_data (guchar *channel_data,
|
|||
return len;
|
||||
}
|
||||
|
||||
/* Ported /from plug-ins/file-tiff/file-tiff-save.c */
|
||||
static void
|
||||
double_to_psd_fixed (gdouble value,
|
||||
gchar *target)
|
||||
{
|
||||
gdouble in, frac;
|
||||
gint i, f;
|
||||
|
||||
frac = modf (value, &in);
|
||||
if (frac < 0)
|
||||
{
|
||||
in -= 1;
|
||||
frac += 1;
|
||||
}
|
||||
|
||||
i = (gint) CLAMP (in, -16, 15);
|
||||
f = CLAMP ((gint) (frac * 0xFFFFFF), 0, 0xFFFFFF);
|
||||
|
||||
target[0] = i & 0xFF;
|
||||
target[1] = (f >> 16) & 0xFF;
|
||||
target[2] = (f >> 8) & 0xFF;
|
||||
target[3] = f & 0xFF;
|
||||
}
|
||||
|
||||
/* Ported from /plug-ins/file-tiff/file-tiff-save.c */
|
||||
static void
|
||||
save_paths (GOutputStream *output,
|
||||
GimpImage *image)
|
||||
{
|
||||
gshort id = 0x07D0; /* Photoshop paths have IDs >= 2000 */
|
||||
gdouble width = gimp_image_get_width (image);
|
||||
gdouble height = gimp_image_get_height (image);
|
||||
GList *vectors;
|
||||
GList *iter;
|
||||
gint v;
|
||||
gint num_strokes;
|
||||
gint *strokes;
|
||||
gint s;
|
||||
|
||||
vectors = gimp_image_list_vectors (image);
|
||||
|
||||
if (! vectors)
|
||||
return;
|
||||
|
||||
/* Only up to 997 paths supported */
|
||||
for (iter = vectors, v = 0;
|
||||
iter && v <= 997;
|
||||
iter = g_list_next (iter), v++)
|
||||
{
|
||||
GString *data;
|
||||
gchar *name, *nameend;
|
||||
gsize len;
|
||||
gint lenpos;
|
||||
gchar pointrecord[26] = { 0, };
|
||||
gchar *tmpname;
|
||||
GError *err = NULL;
|
||||
|
||||
data = g_string_new ("8BIM");
|
||||
g_string_append_c (data, id / 256);
|
||||
g_string_append_c (data, id % 256);
|
||||
|
||||
/*
|
||||
* - use iso8859-1 if possible
|
||||
* - otherwise use UTF-8, prepended with \xef\xbb\xbf (Byte-Order-Mark)
|
||||
*/
|
||||
name = gimp_item_get_name (iter->data);
|
||||
tmpname = g_convert (name, -1, "iso8859-1", "utf-8", NULL, &len, &err);
|
||||
|
||||
if (tmpname && err == NULL)
|
||||
{
|
||||
g_string_append_c (data, MIN (len, 255));
|
||||
g_string_append_len (data, tmpname, MIN (len, 255));
|
||||
g_free (tmpname);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* conversion failed, we fall back to UTF-8 */
|
||||
len = g_utf8_strlen (name, 255 - 3); /* need three marker-bytes */
|
||||
|
||||
nameend = g_utf8_offset_to_pointer (name, len);
|
||||
len = nameend - name; /* in bytes */
|
||||
g_assert (len + 3 <= 255);
|
||||
|
||||
g_string_append_c (data, len + 3);
|
||||
g_string_append_len (data, "\xEF\xBB\xBF", 3); /* Unicode 0xfeff */
|
||||
g_string_append_len (data, name, len);
|
||||
|
||||
if (tmpname)
|
||||
g_free (tmpname);
|
||||
}
|
||||
|
||||
if (data->len % 2) /* padding to even size */
|
||||
g_string_append_c (data, 0);
|
||||
g_free (name);
|
||||
|
||||
lenpos = data->len;
|
||||
g_string_append_len (data, "\0\0\0\0", 4); /* will be filled in later */
|
||||
len = data->len; /* to calculate the data size later */
|
||||
|
||||
pointrecord[1] = 6; /* fill rule record */
|
||||
g_string_append_len (data, pointrecord, 26);
|
||||
|
||||
strokes = gimp_vectors_get_strokes (iter->data, &num_strokes);
|
||||
|
||||
for (s = 0; s < num_strokes; s++)
|
||||
{
|
||||
GimpVectorsStrokeType type;
|
||||
gdouble *points;
|
||||
gint num_points;
|
||||
gboolean closed;
|
||||
gint p = 0;
|
||||
|
||||
type = gimp_vectors_stroke_get_points (iter->data, strokes[s],
|
||||
&num_points, &points, &closed);
|
||||
|
||||
if (type != GIMP_VECTORS_STROKE_TYPE_BEZIER ||
|
||||
num_points > 65535 ||
|
||||
num_points % 6)
|
||||
{
|
||||
g_printerr ("psd-save: unsupported stroke type: "
|
||||
"%d (%d points)\n", type, num_points);
|
||||
continue;
|
||||
}
|
||||
|
||||
memset (pointrecord, 0, 26);
|
||||
pointrecord[1] = closed ? 0 : 3;
|
||||
pointrecord[2] = (num_points / 6) / 256;
|
||||
pointrecord[3] = (num_points / 6) % 256;
|
||||
g_string_append_len (data, pointrecord, 26);
|
||||
|
||||
for (p = 0; p < num_points; p += 6)
|
||||
{
|
||||
pointrecord[1] = closed ? 2 : 5;
|
||||
|
||||
double_to_psd_fixed (points[p+1] / height, pointrecord + 2);
|
||||
double_to_psd_fixed (points[p+0] / width, pointrecord + 6);
|
||||
double_to_psd_fixed (points[p+3] / height, pointrecord + 10);
|
||||
double_to_psd_fixed (points[p+2] / width, pointrecord + 14);
|
||||
double_to_psd_fixed (points[p+5] / height, pointrecord + 18);
|
||||
double_to_psd_fixed (points[p+4] / width, pointrecord + 22);
|
||||
|
||||
g_string_append_len (data, pointrecord, 26);
|
||||
}
|
||||
}
|
||||
|
||||
g_free (strokes);
|
||||
|
||||
/* fix up the length */
|
||||
|
||||
len = data->len - len;
|
||||
data->str[lenpos + 0] = (len & 0xFF000000) >> 24;
|
||||
data->str[lenpos + 1] = (len & 0x00FF0000) >> 16;
|
||||
data->str[lenpos + 2] = (len & 0x0000FF00) >> 8;
|
||||
data->str[lenpos + 3] = (len & 0x000000FF) >> 0;
|
||||
|
||||
xfwrite (output, data->str, data->len, "path resources data");
|
||||
g_string_free (data, TRUE);
|
||||
id += 0x01;
|
||||
}
|
||||
|
||||
g_list_free (vectors);
|
||||
}
|
||||
|
||||
static void
|
||||
save_layer_and_mask (GOutputStream *output,
|
||||
GimpImage *image,
|
||||
|
|
|
|||
Loading…
Reference in New Issue