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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimpmybrush-load.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/core/gimpmybrush-load.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/app/core/gimpmybrush-load.c b/app/core/gimpmybrush-load.c new file mode 100644 index 0000000..1dbb9f5 --- /dev/null +++ b/app/core/gimpmybrush-load.c @@ -0,0 +1,153 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpmybrush-load.c + * + * 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 <mypaint-brush.h> + +#include "libgimpbase/gimpbase.h" + +#include "core-types.h" + +#include "gimpmybrush.h" +#include "gimpmybrush-load.h" +#include "gimpmybrush-private.h" + +#include "gimp-intl.h" + + +/* public functions */ + +GList * +gimp_mybrush_load (GimpContext *context, + GFile *file, + GInputStream *input, + GError **error) +{ + GimpMybrush *brush = NULL; + MyPaintBrush *mypaint_brush; + GdkPixbuf *pixbuf; + GFileInfo *info; + guint64 size; + guchar *buffer; + gchar *path; + gchar *basename; + gchar *preview_filename; + gchar *p; + + g_return_val_if_fail (G_IS_FILE (file), NULL); + g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL); + g_return_val_if_fail (error == NULL || *error == NULL, NULL); + + info = g_file_query_info (file, + G_FILE_ATTRIBUTE_STANDARD_SIZE, + G_FILE_QUERY_INFO_NONE, + NULL, error); + if (! info) + return NULL; + + size = g_file_info_get_attribute_uint64 (info, + G_FILE_ATTRIBUTE_STANDARD_SIZE); + g_object_unref (info); + + if (size > 32768) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("MyPaint brush file is unreasonably large, skipping.")); + return NULL; + } + + buffer = g_new0 (guchar, size + 1); + + if (! g_input_stream_read_all (input, buffer, size, NULL, NULL, error)) + { + g_free (buffer); + return NULL; + } + + mypaint_brush = mypaint_brush_new (); + mypaint_brush_from_defaults (mypaint_brush); + + if (! mypaint_brush_from_string (mypaint_brush, (const gchar *) buffer)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Failed to deserialize MyPaint brush.")); + mypaint_brush_unref (mypaint_brush); + g_free (buffer); + return NULL; + } + + path = g_file_get_path (file); + basename = g_strndup (path, strlen (path) - 4); + g_free (path); + + preview_filename = g_strconcat (basename, "_prev.png", NULL); + g_free (basename); + + pixbuf = gdk_pixbuf_new_from_file_at_size (preview_filename, + 48, 48, error); + g_free (preview_filename); + + basename = g_path_get_basename (gimp_file_get_utf8_name (file)); + + basename[strlen (basename) - 4] = '\0'; + for (p = basename; *p; p++) + if (*p == '_' || *p == '-') + *p = ' '; + + brush = g_object_new (GIMP_TYPE_MYBRUSH, + "name", basename, + "mime-type", "image/x-gimp-myb", + "icon-pixbuf", pixbuf, + NULL); + + g_free (basename); + + if (pixbuf) + g_object_unref (pixbuf); + + brush->priv->brush_json = (gchar *) buffer; + + brush->priv->radius = + mypaint_brush_get_base_value (mypaint_brush, + MYPAINT_BRUSH_SETTING_RADIUS_LOGARITHMIC); + + brush->priv->opaque = + mypaint_brush_get_base_value (mypaint_brush, + MYPAINT_BRUSH_SETTING_OPAQUE); + + brush->priv->hardness = + mypaint_brush_get_base_value (mypaint_brush, + MYPAINT_BRUSH_SETTING_HARDNESS); + + brush->priv->eraser = + mypaint_brush_get_base_value (mypaint_brush, + MYPAINT_BRUSH_SETTING_ERASER) > 0.5f; + + brush->priv->offset_by_random = + mypaint_brush_get_base_value (mypaint_brush, + MYPAINT_BRUSH_SETTING_OFFSET_BY_RANDOM); + + mypaint_brush_unref (mypaint_brush); + + return g_list_prepend (NULL, brush); +} |