From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/core/gimpbrushgenerated-load.c | 284 +++++++++++++++++++++++++++++++++++++ 1 file changed, 284 insertions(+) create mode 100644 app/core/gimpbrushgenerated-load.c (limited to 'app/core/gimpbrushgenerated-load.c') diff --git a/app/core/gimpbrushgenerated-load.c b/app/core/gimpbrushgenerated-load.c new file mode 100644 index 0000000..a526ae6 --- /dev/null +++ b/app/core/gimpbrushgenerated-load.c @@ -0,0 +1,284 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimp_brush_generated module Copyright 1998 Jay Cox + * + * 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 . + */ + +#include "config.h" + +#include + +#include +#include + +#include "libgimpbase/gimpbase.h" + +#include "core-types.h" + +#include "gimp-utils.h" +#include "gimpbrushgenerated.h" +#include "gimpbrushgenerated-load.h" + +#include "gimp-intl.h" + + +GList * +gimp_brush_generated_load (GimpContext *context, + GFile *file, + GInputStream *input, + GError **error) +{ + GimpBrush *brush; + GDataInputStream *data_input; + gchar *string; + gsize string_len; + gint linenum; + gchar *name = NULL; + GimpBrushGeneratedShape shape = GIMP_BRUSH_GENERATED_CIRCLE; + gboolean have_shape = FALSE; + gint spikes = 2; + gdouble spacing; + gdouble radius; + gdouble hardness; + gdouble aspect_ratio; + gdouble angle; + + 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); + + data_input = g_data_input_stream_new (input); + + /* make sure the file we are reading is the right type */ + linenum = 1; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + + if (! g_str_has_prefix (string, "GIMP-VBR")) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Not a GIMP brush file.")); + g_free (string); + goto failed; + } + + g_free (string); + + /* make sure we are reading a compatible version */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + + if (! g_str_has_prefix (string, "1.0")) + { + if (! g_str_has_prefix (string, "1.5")) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Unknown GIMP brush version.")); + g_free (string); + goto failed; + } + else + { + have_shape = TRUE; + } + } + + g_free (string); + + /* read name */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + + g_strstrip (string); + + /* the empty string is not an allowed name */ + if (strlen (string) < 1) + { + name = g_strdup (_("Untitled")); + } + else + { + name = gimp_any_to_utf8 (string, -1, + _("Invalid UTF-8 string in brush file '%s'."), + gimp_file_get_utf8_name (file)); + } + + g_free (string); + + if (have_shape) + { + GEnumClass *enum_class; + GEnumValue *shape_val; + + enum_class = g_type_class_peek (GIMP_TYPE_BRUSH_GENERATED_SHAPE); + + /* read shape */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + + g_strstrip (string); + shape_val = g_enum_get_value_by_nick (enum_class, string); + + if (! shape_val) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Unknown GIMP brush shape.")); + g_free (string); + goto failed; + } + + g_free (string); + + shape = shape_val->value; + } + + /* read brush spacing */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtod (string, NULL, &spacing)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush spacing.")); + g_free (string); + goto failed; + } + g_free (string); + + + /* read brush radius */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtod (string, NULL, &radius)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush radius.")); + g_free (string); + goto failed; + } + g_free (string); + + if (have_shape) + { + /* read number of spikes */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtoi (string, NULL, 10, &spikes) || + spikes < 2 || spikes > 20) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush spike count.")); + g_free (string); + goto failed; + } + g_free (string); + } + + /* read brush hardness */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtod (string, NULL, &hardness)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush hardness.")); + g_free (string); + goto failed; + } + g_free (string); + + /* read brush aspect_ratio */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtod (string, NULL, &aspect_ratio)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush aspect ratio.")); + g_free (string); + goto failed; + } + g_free (string); + + /* read brush angle */ + linenum++; + string_len = 256; + string = gimp_data_input_stream_read_line_always (data_input, &string_len, + NULL, error); + if (! string) + goto failed; + if (! gimp_ascii_strtod (string, NULL, &angle)) + { + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ, + _("Invalid brush angle.")); + g_free (string); + goto failed; + } + g_free (string); + + g_object_unref (data_input); + + brush = GIMP_BRUSH (gimp_brush_generated_new (name, shape, radius, spikes, + hardness, aspect_ratio, angle)); + g_free (name); + + gimp_brush_set_spacing (brush, spacing); + + return g_list_prepend (NULL, brush); + + failed: + + g_object_unref (data_input); + + if (name) + g_free (name); + + g_prefix_error (error, _("In line %d of brush file: "), linenum); + + return NULL; +} -- cgit v1.2.3