app, plug-ins: move file-gih-load from the file-gih plug-in to the core

(cherry picked from commit 52adaa1963)
This commit is contained in:
Michael Natterer
2019-02-19 23:27:28 +01:00
parent 45d3a054a4
commit 088418e004
6 changed files with 449 additions and 417 deletions

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@ -18,5 +18,7 @@ libappfile_data_a_SOURCES = \
file-data.h \ file-data.h \
file-data-gbr.c \ file-data-gbr.c \
file-data-gbr.h \ file-data-gbr.h \
file-data-gih.c \
file-data-gih.h \
file-data-pat.c \ file-data-pat.c \
file-data-pat.h file-data-pat.h

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@ -0,0 +1,343 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpbase/gimpparasiteio.h"
#include "libgimpcolor/gimpcolor.h"
#include "core/core-types.h"
#include "core/gimp.h"
#include "core/gimpbrushpipe.h"
#include "core/gimpbrushpipe-load.h"
#include "core/gimpbrush-private.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimplayer-new.h"
#include "core/gimpparamspecs.h"
#include "core/gimptempbuf.h"
#include "pdb/gimpprocedure.h"
#include "file-data-gbr.h"
#include "file-data-gih.h"
#include "gimp-intl.h"
/* local function prototypes */
static GimpImage * file_gih_pipe_to_image (Gimp *gimp,
GimpBrushPipe *pipe);
static GimpBrushPipe * file_gih_image_to_pipe (GimpImage *image,
GimpDrawable *drawable,
const gchar *name,
gdouble spacing);
/* public functions */
GimpValueArray *
file_gih_load_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
GimpValueArray *return_vals;
GimpImage *image = NULL;
const gchar *uri;
GFile *file;
GInputStream *input;
GError *my_error = NULL;
gimp_set_busy (gimp);
uri = g_value_get_string (gimp_value_array_index (args, 1));
file = g_file_new_for_uri (uri);
input = G_INPUT_STREAM (g_file_read (file, NULL, &my_error));
if (input)
{
GList *list = gimp_brush_pipe_load (context, file, input, error);
if (list)
{
GimpBrushPipe *pipe = list->data;
g_list_free (list);
image = file_gih_pipe_to_image (gimp, pipe);
g_object_unref (pipe);
}
g_object_unref (input);
}
else
{
g_propagate_prefixed_error (error, my_error,
_("Could not open '%s' for reading: "),
gimp_file_get_utf8_name (file));
}
g_object_unref (file);
return_vals = gimp_procedure_get_return_values (procedure, image != NULL,
error ? *error : NULL);
if (image)
gimp_value_set_image (gimp_value_array_index (return_vals, 1), image);
gimp_unset_busy (gimp);
return return_vals;
}
GimpValueArray *
file_gih_save_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
GimpValueArray *return_vals;
GimpImage *image;
GimpDrawable *drawable;
GimpBrushPipe *pipe;
const gchar *uri;
const gchar *name;
GFile *file;
gint spacing;
gboolean success;
gimp_set_busy (gimp);
image = gimp_value_get_image (gimp_value_array_index (args, 1), gimp);
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 2), gimp);
uri = g_value_get_string (gimp_value_array_index (args, 3));
spacing = g_value_get_int (gimp_value_array_index (args, 5));
name = g_value_get_string (gimp_value_array_index (args, 6));
file = g_file_new_for_uri (uri);
pipe = file_gih_image_to_pipe (image, drawable, name, spacing);
gimp_data_set_file (GIMP_DATA (pipe), file, TRUE, TRUE);
success = gimp_data_save (GIMP_DATA (pipe), error);
g_object_unref (pipe);
g_object_unref (file);
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
gimp_unset_busy (gimp);
return return_vals;
}
/* private functions */
static GimpImage *
file_gih_pipe_to_image (Gimp *gimp,
GimpBrushPipe *pipe)
{
GimpImage *image;
const gchar *name;
GimpImageBaseType base_type;
GimpParasite *parasite;
gint i;
if (gimp_brush_get_pixmap (pipe->current))
base_type = GIMP_RGB;
else
base_type = GIMP_GRAY;
name = gimp_object_get_name (pipe);
image = gimp_image_new (gimp, 1, 1, base_type,
GIMP_PRECISION_U8_GAMMA);
parasite = gimp_parasite_new ("gimp-brush-pipe-name",
GIMP_PARASITE_PERSISTENT,
strlen (name) + 1, name);
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
for (i = 0; i < pipe->n_brushes; i++)
{
GimpLayer *layer;
layer = file_gbr_brush_to_layer (image, pipe->brushes[i]);
gimp_image_add_layer (image, layer, NULL, i, FALSE);
}
if (pipe->params)
{
GimpPixPipeParams params;
gchar *paramstring;
/* Since we do not (yet) load the pipe as described in the
* header, but use one layer per brush, we have to alter the
* paramstring before attaching it as a parasite.
*
* (this comment copied over from file-gih, whatever "as
* described in the header" means) -- mitch
*/
gimp_pixpipe_params_init (&params);
gimp_pixpipe_params_parse (pipe->params, &params);
params.cellwidth = gimp_image_get_width (image);
params.cellheight = gimp_image_get_height (image);
params.cols = 1;
params.rows = 1;
paramstring = gimp_pixpipe_params_build (&params);
if (paramstring)
{
parasite = gimp_parasite_new ("gimp-brush-pipe-parameters",
GIMP_PARASITE_PERSISTENT,
strlen (paramstring) + 1,
paramstring);
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
g_free (paramstring);
}
}
return image;
}
static GimpBrushPipe *
file_gih_image_to_pipe (GimpImage *image,
GimpDrawable *drawable,
const gchar *name,
gdouble spacing)
{
#if 0
GimpBrush *brush;
GeglBuffer *buffer;
GimpTempBuf *mask;
GimpTempBuf *pixmap = NULL;
gint width;
gint height;
buffer = gimp_drawable_get_buffer (drawable);
width = gimp_item_get_width (GIMP_ITEM (drawable));
height = gimp_item_get_height (GIMP_ITEM (drawable));
brush = g_object_new (GIMP_TYPE_BRUSH,
"name", name,
"mime-type", "image/x-gimp-gih",
"spacing", spacing,
NULL);
mask = gimp_temp_buf_new (width, height, babl_format ("Y u8"));
if (gimp_drawable_is_gray (drawable))
{
guchar *m = gimp_temp_buf_get_data (mask);
gint i;
if (gimp_drawable_has_alpha (drawable))
{
GeglBufferIterator *iter;
GimpRGB white;
gimp_rgba_set_uchar (&white, 255, 255, 255, 255);
iter = gegl_buffer_iterator_new (buffer, NULL, 0,
babl_format ("Y'A u8"),
GEGL_ACCESS_READ, GEGL_ABYSS_NONE,
1);
while (gegl_buffer_iterator_next (iter))
{
guint8 *data = (guint8 *) iter->items[0].data;
gint j;
for (j = 0; j < iter->length; j++)
{
GimpRGB gray;
gint x, y;
gint dest;
gimp_rgba_set_uchar (&gray,
data[0], data[0], data[0],
data[1]);
gimp_rgb_composite (&gray, &white,
GIMP_RGB_COMPOSITE_BEHIND);
x = iter->items[0].roi.x + j % iter->items[0].roi.width;
y = iter->items[0].roi.y + j / iter->items[0].roi.width;
dest = y * width + x;
gimp_rgba_get_uchar (&gray, &m[dest], NULL, NULL, NULL);
data += 2;
}
}
}
else
{
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, width, height), 1.0,
babl_format ("Y' u8"), m,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
/* invert */
for (i = 0; i < width * height; i++)
m[i] = 255 - m[i];
}
else
{
pixmap = gimp_temp_buf_new (width, height, babl_format ("R'G'B' u8"));
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, width, height), 1.0,
babl_format ("R'G'B' u8"),
gimp_temp_buf_get_data (pixmap),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, width, height), 1.0,
babl_format ("A u8"),
gimp_temp_buf_get_data (mask),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
brush->priv->mask = mask;
brush->priv->pixmap = pixmap;
return brush;
#endif
return NULL;
}

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@ -0,0 +1,37 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FILE_DATA_GIH_H__
#define __FILE_DATA_GIH_H__
GimpValueArray * file_gih_load_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error);
GimpValueArray * file_gih_save_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error);
#endif /* __FILE_DATA_GIH_H__ */

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@ -32,6 +32,7 @@
#include "file-data.h" #include "file-data.h"
#include "file-data-gbr.h" #include "file-data-gbr.h"
#include "file-data-gih.h"
#include "file-data-pat.h" #include "file-data-pat.h"
#include "gimp-intl.h" #include "gimp-intl.h"
@ -197,6 +198,70 @@ file_data_init (Gimp *gimp)
gimp_plug_in_manager_add_procedure (gimp->plug_in_manager, proc); gimp_plug_in_manager_add_procedure (gimp->plug_in_manager, proc);
g_object_unref (procedure); g_object_unref (procedure);
/* file-gih-load */
file = g_file_new_for_path ("file-gih-load");
procedure = gimp_plug_in_procedure_new (GIMP_PLUGIN, file);
g_object_unref (file);
procedure->proc_type = GIMP_INTERNAL;
procedure->marshal_func = file_gih_load_invoker;
proc = GIMP_PLUG_IN_PROCEDURE (procedure);
proc->menu_label = g_strdup (N_("GIMP brush (animated)"));
gimp_plug_in_procedure_set_icon (proc, GIMP_ICON_TYPE_ICON_NAME,
(const guint8 *) "gimp-brush",
strlen ("gimp-brush") + 1);
gimp_plug_in_procedure_set_image_types (proc, NULL);
gimp_plug_in_procedure_set_file_proc (proc, "gih", "", "");
gimp_plug_in_procedure_set_mime_types (proc, "image/gimp-x-gih");
gimp_plug_in_procedure_set_handles_uri (proc);
gimp_object_set_static_name (GIMP_OBJECT (procedure), "file-gih-load");
gimp_procedure_set_static_strings (procedure,
"file-gih-load",
"Loads GIMP animated brushes",
"This procedure loads a GIMP brush "
"pipe as an image.",
"Jens Lautenbacher, Sven Neumann, "
"Michael Natterer",
"Jens Lautenbacher, Sven Neumann, "
"Michael Natterer",
"1995-2019",
NULL);
gimp_procedure_add_argument (procedure,
gimp_param_spec_int32 ("dummy-param",
"Dummy Param",
"Dummy parameter",
G_MININT32, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
gimp_param_spec_string ("uri",
"URI",
"The URI of the file "
"to load",
TRUE, FALSE, TRUE,
NULL,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
gimp_param_spec_string ("raw-uri",
"Raw URI",
"The URI of the file "
"to load",
TRUE, FALSE, TRUE,
NULL,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_image_id ("image",
"Image",
"Output image",
gimp, FALSE,
GIMP_PARAM_READWRITE));
gimp_plug_in_manager_add_procedure (gimp->plug_in_manager, proc);
g_object_unref (procedure);
/* file-pat-load */ /* file-pat-load */
file = g_file_new_for_path ("file-pat-load"); file = g_file_new_for_path ("file-pat-load");
procedure = gimp_plug_in_procedure_new (GIMP_PLUGIN, file); procedure = gimp_plug_in_procedure_new (GIMP_PLUGIN, file);

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@ -53,7 +53,6 @@
#include "libgimp/stdplugins-intl.h" #include "libgimp/stdplugins-intl.h"
#define LOAD_PROC "file-gih-load"
#define SAVE_PROC "file-gih-save" #define SAVE_PROC "file-gih-save"
#define PLUG_IN_BINARY "file-gih" #define PLUG_IN_BINARY "file-gih"
#define PLUG_IN_ROLE "gimp-file-gih" #define PLUG_IN_ROLE "gimp-file-gih"
@ -96,12 +95,6 @@ static void run (const gchar *name,
gint *nreturn_vals, gint *nreturn_vals,
GimpParam **return_vals); GimpParam **return_vals);
static gint32 gih_load_image (GFile *file,
GError **error);
static gboolean gih_load_one_brush (GInputStream *input,
gint32 image_ID,
GError **error);
static gboolean gih_save_dialog (gint32 image_ID); static gboolean gih_save_dialog (gint32 image_ID);
static gboolean gih_save_one_brush (GOutputStream *output, static gboolean gih_save_one_brush (GOutputStream *output,
gint32 drawable_ID, gint32 drawable_ID,
@ -169,36 +162,6 @@ query (void)
{ GIMP_PDB_STRINGARRAY, "sel", "Selection modes" } { GIMP_PDB_STRINGARRAY, "sel", "Selection modes" }
}; };
static const GimpParamDef gih_load_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_STRING, "uri", "The name of the file to load" },
{ GIMP_PDB_STRING, "raw-uri", "The name of the file to load" }
};
static const GimpParamDef gih_load_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Output image" }
};
gimp_install_procedure (LOAD_PROC,
"loads images in GIMP brush pipe format",
"This plug-in loads a GIMP brush pipe as an image.",
"Jens Lautenbacher, Sven Neumann",
"Jens Lautenbacher, Sven Neumann",
"2000",
N_("GIMP brush (animated)"),
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (gih_load_args),
G_N_ELEMENTS (gih_load_return_vals),
gih_load_args, gih_load_return_vals);
gimp_plugin_icon_register (LOAD_PROC, GIMP_ICON_TYPE_ICON_NAME,
(const guint8 *) GIMP_ICON_BRUSH);
gimp_register_file_handler_mime (LOAD_PROC, "image/x-gimp-gih");
gimp_register_file_handler_uri (LOAD_PROC);
gimp_register_magic_load_handler (LOAD_PROC, "gih", "", "");
gimp_install_procedure (SAVE_PROC, gimp_install_procedure (SAVE_PROC,
"exports images in GIMP brush pipe format", "exports images in GIMP brush pipe format",
"This plug-in exports an image in the GIMP brush pipe " "This plug-in exports an image in the GIMP brush pipe "
@ -250,23 +213,7 @@ run (const gchar *name,
values[0].type = GIMP_PDB_STATUS; values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (strcmp (name, LOAD_PROC) == 0) if (strcmp (name, SAVE_PROC) == 0)
{
image_ID = gih_load_image (g_file_new_for_uri (param[1].data.d_string),
&error);
if (image_ID != -1)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
}
else if (strcmp (name, SAVE_PROC) == 0)
{ {
GFile *file; GFile *file;
GimpParasite *name_parasite; GimpParasite *name_parasite;
@ -445,369 +392,6 @@ run (const gchar *name,
} }
/* load routines */
static gboolean
gih_load_one_brush (GInputStream *input,
gint32 image_ID,
GError **error)
{
gchar *name = NULL;
GimpBrushHeader bh;
guchar *brush_buf = NULL;
gint32 layer_ID;
gsize size;
GimpImageType image_type;
gint width, height;
gint new_width, new_height;
gsize bytes_read;
if (! g_input_stream_read_all (input, &bh, sizeof (bh),
&bytes_read, NULL, error) ||
bytes_read != sizeof (bh))
{
return FALSE;
}
/* rearrange the bytes in each unsigned int */
bh.header_size = g_ntohl (bh.header_size);
bh.version = g_ntohl (bh.version);
bh.width = g_ntohl (bh.width);
bh.height = g_ntohl (bh.height);
bh.bytes = g_ntohl (bh.bytes);
bh.magic_number = g_ntohl (bh.magic_number);
bh.spacing = g_ntohl (bh.spacing);
/* Sanitize values */
if ((bh.width == 0) || (bh.width > GIMP_BRUSH_MAX_SIZE) ||
(bh.height == 0) || (bh.height > GIMP_BRUSH_MAX_SIZE) ||
((bh.bytes != 1) && (bh.bytes != 4)) ||
(G_MAXSIZE / bh.width / bh.height / bh.bytes < 1))
{
return FALSE;
}
if ((bh.magic_number != GIMP_BRUSH_MAGIC ||
bh.version != 2) ||
bh.header_size <= sizeof (bh))
{
return FALSE;
}
if ((size = (bh.header_size - sizeof (bh))) > 0)
{
if (size > GIMP_BRUSH_MAX_NAME)
{
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Brush name is too long: %lu"),
(gulong) size);
return FALSE;
}
name = g_new0 (gchar, size + 1);
if (! g_input_stream_read_all (input, name, size,
&bytes_read, NULL, error) ||
bytes_read != size)
{
g_free (name);
return FALSE;
}
}
else
{
name = g_strdup (_("Unnamed"));
}
/* Now there's just raw data left. */
size = (gsize) bh.width * bh.height * bh.bytes;
brush_buf = g_malloc (size);
if (! g_input_stream_read_all (input, brush_buf, size,
&bytes_read, NULL, error) ||
bytes_read != size)
{
g_free (brush_buf);
g_free (name);
return FALSE;
}
if (bh.bytes == 1)
{
GimpPatternHeader ph;
/* For backwards-compatibility, check if a pattern follows.
* The obsolete .gpb format did it this way.
*/
if (g_input_stream_read_all (input, &ph, sizeof (GimpPatternHeader),
&bytes_read, NULL, error) &&
bytes_read == sizeof (GimpPatternHeader))
{
/* rearrange the bytes in each unsigned int */
ph.header_size = g_ntohl (ph.header_size);
ph.version = g_ntohl (ph.version);
ph.width = g_ntohl (ph.width);
ph.height = g_ntohl (ph.height);
ph.bytes = g_ntohl (ph.bytes);
ph.magic_number = g_ntohl (ph.magic_number);
if (ph.magic_number == GIMP_PATTERN_MAGIC &&
ph.version == 1 &&
ph.header_size > sizeof (GimpPatternHeader) &&
ph.bytes == 3 &&
ph.width == bh.width &&
ph.height == bh.height &&
g_input_stream_skip (input,
ph.header_size - sizeof (GimpPatternHeader),
NULL, NULL) ==
ph.header_size - sizeof (GimpPatternHeader))
{
guchar *plain_brush = brush_buf;
gint i;
bh.bytes = 4;
brush_buf = g_malloc ((gsize) bh.width * bh.height * 4);
for (i = 0; i < ph.width * ph.height; i++)
{
if (! g_input_stream_read_all (input,
brush_buf + i * 4, 3,
&bytes_read, NULL, error) ||
bytes_read != 3)
{
g_free (name);
g_free (plain_brush);
g_free (brush_buf);
return FALSE;
}
brush_buf[i * 4 + 3] = plain_brush[i];
}
g_free (plain_brush);
}
else if (! g_seekable_seek (G_SEEKABLE (input),
- sizeof (GimpPatternHeader), G_SEEK_CUR,
NULL, NULL))
{
g_message (_("GIMP brush file appears to be corrupted."));
g_free (name);
g_free (brush_buf);
return FALSE;
}
}
}
/*
* Create a new layer of the proper size.
*/
switch (bh.bytes)
{
case 1:
image_type = GIMP_GRAY_IMAGE;
break;
case 4:
image_type = GIMP_RGBA_IMAGE;
if (gimp_image_base_type (image_ID) == GIMP_GRAY)
gimp_image_convert_rgb (image_ID);
break;
default:
g_message ("Unsupported brush depth: %d\n"
"GIMP Brushes must be GRAY or RGBA\n",
bh.bytes);
g_free (name);
return FALSE;
}
new_width = width = gimp_image_width (image_ID);
new_height = height = gimp_image_height (image_ID);
if (bh.width > width || bh.height > height)
{
new_width = MAX (width, bh.width);
new_height = MAX (height, bh.height);
gimp_image_resize (image_ID,
new_width, new_height,
(new_width - width) / 2, (new_height - height) / 2);
}
layer_ID = gimp_layer_new (image_ID, name,
bh.width, bh.height,
image_type,
100,
gimp_image_get_default_new_layer_mode (image_ID));
g_free (name);
if (layer_ID != -1)
{
GeglBuffer *buffer;
gint i;
gimp_image_insert_layer (image_ID, layer_ID, -1, num_layers++);
gimp_layer_set_offsets (layer_ID,
(new_width - bh.width) / 2,
(new_height - bh.height) / 2);
buffer = gimp_drawable_get_buffer (layer_ID);
/* invert */
if (image_type == GIMP_GRAY_IMAGE)
for (i = 0; i < bh.width * bh.height; i++)
brush_buf[i] = 255 - brush_buf[i];
gegl_buffer_set (buffer, GEGL_RECTANGLE (0, 0, bh.width, bh.height), 0,
NULL, brush_buf, GEGL_AUTO_ROWSTRIDE);
g_object_unref (buffer);
}
g_free (brush_buf);
return TRUE;
}
static gint32
gih_load_image (GFile *file,
GError **error)
{
GInputStream *input;
gint i;
gint32 image_ID;
GString *buffer;
gchar c;
gchar *name = NULL;
gint num_of_brushes = 0;
gchar *paramstring;
GimpParasite *name_parasite;
GimpParasite *pipe_parasite;
gsize bytes_read;
gimp_progress_init_printf (_("Opening '%s'"),
g_file_get_parse_name (file));
input = G_INPUT_STREAM (g_file_read (file, NULL, error));
if (! input)
return -1;
/* The file format starts with a painfully simple text header */
/* get the name */
buffer = g_string_new (NULL);
while (g_input_stream_read_all (input, &c, 1,
&bytes_read, NULL, error) &&
bytes_read == 1 &&
c != '\n' &&
buffer->len < 1024)
{
g_string_append_c (buffer, c);
}
if (buffer->len > 0 && buffer->len < 1024)
name = buffer->str;
g_string_free (buffer, FALSE);
if (! name)
{
g_message ("Couldn't read name for brush pipe from '%s'",
g_file_get_parse_name (file));
g_object_unref (input);
return -1;
}
/* get the number of brushes */
buffer = g_string_new (NULL);
while (g_input_stream_read_all (input, &c, 1,
&bytes_read, NULL, error) &&
bytes_read == 1 &&
c != '\n' &&
buffer->len < 1024)
{
g_string_append_c (buffer, c);
}
if (buffer->len > 0 && buffer->len < 1024)
{
num_of_brushes = strtol (buffer->str, &paramstring, 10);
}
if (num_of_brushes < 1)
{
g_message ("Brush pipes should have at least one brush.");
g_object_unref (input);
g_free (name);
g_string_free (buffer, TRUE);
return -1;
}
image_ID = gimp_image_new (1, 1, GIMP_GRAY);
gimp_image_set_filename (image_ID, g_file_get_uri (file));
for (i = 0; i < num_of_brushes; i++)
{
if (! gih_load_one_brush (input, image_ID, error))
{
g_object_unref (input);
g_free (name);
g_string_free (buffer, TRUE);
return -1;
}
gimp_progress_update ((gdouble) i / (gdouble) num_of_brushes);
}
g_object_unref (input);
/* Attaching name as a parasite */
name_parasite = gimp_parasite_new ("gimp-brush-pipe-name",
GIMP_PARASITE_PERSISTENT,
strlen (name) + 1,
name);
gimp_image_attach_parasite (image_ID, name_parasite);
gimp_parasite_free (name_parasite);
while (*paramstring && g_ascii_isspace (*paramstring))
paramstring++;
/* Since we do not (yet) load the pipe as described in the header,
but use one layer per brush, we have to alter the paramstring
before attaching it as a parasite.
*/
if (*paramstring)
{
gimp_pixpipe_params_parse (paramstring, &gihparams);
gihparams.cellwidth = gimp_image_width (image_ID);
gihparams.cellheight = gimp_image_height (image_ID);
gihparams.cols = 1;
gihparams.rows = 1;
paramstring = gimp_pixpipe_params_build (&gihparams);
if (paramstring)
{
pipe_parasite = gimp_parasite_new ("gimp-brush-pipe-parameters",
GIMP_PARASITE_PERSISTENT,
strlen (paramstring) + 1,
paramstring);
gimp_image_attach_parasite (image_ID, pipe_parasite);
gimp_parasite_free (pipe_parasite);
g_free (paramstring);
}
}
g_string_free (buffer, TRUE);
gimp_progress_update (1.0);
return image_ID;
}
/* save routines */ /* save routines */
static void static void

View File

@ -276,6 +276,7 @@ app/file/file-save.c
app/file/file-utils.c app/file/file-utils.c
app/file-data/file-data-gbr.c app/file-data/file-data-gbr.c
app/file-data/file-data-gih.c
app/file-data/file-data-pat.c app/file-data/file-data-pat.c
app/file-data/file-data.c app/file-data/file-data.c