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-rw-r--r--app/file-data/file-data-pat.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/app/file-data/file-data-pat.c b/app/file-data/file-data-pat.c
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+++ b/app/file-data/file-data-pat.c
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+/* 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "core/core-types.h"
+
+#include "gegl/gimp-babl.h"
+
+#include "core/gimp.h"
+#include "core/gimpdrawable.h"
+#include "core/gimpimage.h"
+#include "core/gimplayer-new.h"
+#include "core/gimpparamspecs.h"
+#include "core/gimppattern.h"
+#include "core/gimppattern-load.h"
+#include "core/gimptempbuf.h"
+
+#include "pdb/gimpprocedure.h"
+
+#include "file-data-pat.h"
+
+#include "gimp-intl.h"
+
+
+/* local function prototypes */
+
+static GimpImage * file_pat_pattern_to_image (Gimp *gimp,
+ GimpPattern *pattern);
+static GimpPattern * file_pat_image_to_pattern (GimpImage *image,
+ GimpDrawable *drawable,
+ const gchar *name);
+
+
+/* public functions */
+
+GimpValueArray *
+file_pat_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_pattern_load (context, file, input, error);
+
+ if (list)
+ {
+ GimpPattern *pattern = list->data;
+
+ g_list_free (list);
+
+ image = file_pat_pattern_to_image (gimp, pattern);
+ g_object_unref (pattern);
+ }
+
+ 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_pat_save_invoker (GimpProcedure *procedure,
+ Gimp *gimp,
+ GimpContext *context,
+ GimpProgress *progress,
+ const GimpValueArray *args,
+ GError **error)
+{
+ GimpValueArray *return_vals;
+ GimpImage *image;
+ GimpDrawable *drawable;
+ GimpPattern *pattern;
+ const gchar *uri;
+ const gchar *name;
+ GFile *file;
+ 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));
+ name = g_value_get_string (gimp_value_array_index (args, 5));
+
+ file = g_file_new_for_uri (uri);
+
+ pattern = file_pat_image_to_pattern (image, drawable, name);
+
+ gimp_data_set_file (GIMP_DATA (pattern), file, TRUE, TRUE);
+
+ success = gimp_data_save (GIMP_DATA (pattern), error);
+
+ g_object_unref (pattern);
+ 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_pat_pattern_to_image (Gimp *gimp,
+ GimpPattern *pattern)
+{
+ GimpImage *image;
+ GimpLayer *layer;
+ const Babl *format;
+ const gchar *name;
+ GimpImageBaseType base_type;
+ gboolean alpha;
+ gint width;
+ gint height;
+ GimpTempBuf *mask = gimp_pattern_get_mask (pattern);
+ GeglBuffer *buffer;
+ GimpParasite *parasite;
+
+ format = gimp_temp_buf_get_format (mask);
+
+ switch (babl_format_get_bytes_per_pixel (format))
+ {
+ case 1:
+ base_type = GIMP_GRAY;
+ alpha = FALSE;
+ break;
+
+ case 2:
+ base_type = GIMP_GRAY;
+ alpha = TRUE;
+ break;
+
+ case 3:
+ base_type = GIMP_RGB;
+ alpha = FALSE;
+ break;
+
+ case 4:
+ base_type = GIMP_RGB;
+ alpha = TRUE;
+ break;
+
+ default:
+ g_return_val_if_reached (NULL);
+ }
+
+ name = gimp_object_get_name (pattern);
+ width = gimp_temp_buf_get_width (mask);
+ height = gimp_temp_buf_get_height (mask);
+
+ image = gimp_image_new (gimp, width, height, base_type,
+ GIMP_PRECISION_U8_GAMMA);
+
+ parasite = gimp_parasite_new ("gimp-pattern-name",
+ GIMP_PARASITE_PERSISTENT,
+ strlen (name) + 1, name);
+ gimp_image_parasite_attach (image, parasite, FALSE);
+ gimp_parasite_free (parasite);
+
+ format = gimp_image_get_layer_format (image, alpha);
+
+ layer = gimp_layer_new (image, width, height, format, name,
+ 1.0, GIMP_LAYER_MODE_NORMAL);
+ gimp_image_add_layer (image, layer, NULL, 0, FALSE);
+
+ buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer));
+
+ gegl_buffer_set (buffer, GEGL_RECTANGLE (0, 0, width, height), 0,
+ NULL,
+ gimp_temp_buf_get_data (mask), GEGL_AUTO_ROWSTRIDE);
+
+ return image;
+}
+
+static GimpPattern *
+file_pat_image_to_pattern (GimpImage *image,
+ GimpDrawable *drawable,
+ const gchar *name)
+{
+ GimpPattern *pattern;
+ const Babl *format;
+ gint width;
+ gint height;
+
+ format = gimp_babl_format (gimp_drawable_is_gray (drawable) ?
+ GIMP_GRAY : GIMP_RGB,
+ GIMP_PRECISION_U8_GAMMA,
+ gimp_drawable_has_alpha (drawable));
+
+ width = gimp_item_get_width (GIMP_ITEM (drawable));
+ height = gimp_item_get_height (GIMP_ITEM (drawable));
+
+ pattern = g_object_new (GIMP_TYPE_PATTERN,
+ "name", name,
+ "mime-type", "image/x-gimp-pat",
+ NULL);
+
+ pattern->mask = gimp_temp_buf_new (width, height, format);
+
+ gegl_buffer_get (gimp_drawable_get_buffer (drawable),
+ GEGL_RECTANGLE (0, 0, width, height), 1.0,
+ format, gimp_temp_buf_get_data (pattern->mask),
+ GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+ return pattern;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 14:36:02 +0000