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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/gimpgradient-save.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/gimpgradient-save.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/app/core/gimpgradient-save.c b/app/core/gimpgradient-save.c new file mode 100644 index 0000000..deca2d2 --- /dev/null +++ b/app/core/gimpgradient-save.c @@ -0,0 +1,221 @@ +/* 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-types.h" + +#include "gimpgradient.h" +#include "gimpgradient-save.h" + +#include "gimp-intl.h" + + +gboolean +gimp_gradient_save (GimpData *data, + GOutputStream *output, + GError **error) +{ + GimpGradient *gradient = GIMP_GRADIENT (data); + GString *string; + GimpGradientSegment *seg; + gint num_segments; + + /* File format is: + * + * GIMP Gradient + * Name: name + * number_of_segments + * left middle right r0 g0 b0 a0 r1 g1 b1 a1 type coloring left_color_type + * left middle right r0 g0 b0 a0 r1 g1 b1 a1 type coloring right_color_type + * ... + */ + + string = g_string_new ("GIMP Gradient\n"); + + g_string_append_printf (string, "Name: %s\n", + gimp_object_get_name (gradient)); + + /* Count number of segments */ + num_segments = 0; + seg = gradient->segments; + + while (seg) + { + num_segments++; + seg = seg->next; + } + + /* Write rest of file */ + g_string_append_printf (string, "%d\n", num_segments); + + for (seg = gradient->segments; seg; seg = seg->next) + { + gchar buf[11][G_ASCII_DTOSTR_BUF_SIZE]; + + g_ascii_dtostr (buf[0], G_ASCII_DTOSTR_BUF_SIZE, seg->left); + g_ascii_dtostr (buf[1], G_ASCII_DTOSTR_BUF_SIZE, seg->middle); + g_ascii_dtostr (buf[2], G_ASCII_DTOSTR_BUF_SIZE, seg->right); + g_ascii_dtostr (buf[3], G_ASCII_DTOSTR_BUF_SIZE, seg->left_color.r); + g_ascii_dtostr (buf[4], G_ASCII_DTOSTR_BUF_SIZE, seg->left_color.g); + g_ascii_dtostr (buf[5], G_ASCII_DTOSTR_BUF_SIZE, seg->left_color.b); + g_ascii_dtostr (buf[6], G_ASCII_DTOSTR_BUF_SIZE, seg->left_color.a); + g_ascii_dtostr (buf[7], G_ASCII_DTOSTR_BUF_SIZE, seg->right_color.r); + g_ascii_dtostr (buf[8], G_ASCII_DTOSTR_BUF_SIZE, seg->right_color.g); + g_ascii_dtostr (buf[9], G_ASCII_DTOSTR_BUF_SIZE, seg->right_color.b); + g_ascii_dtostr (buf[10], G_ASCII_DTOSTR_BUF_SIZE, seg->right_color.a); + + g_string_append_printf (string, + "%s %s %s %s %s %s %s %s %s %s %s %d %d %d %d\n", + buf[0], buf[1], buf[2], /* left, middle, right */ + buf[3], buf[4], buf[5], buf[6], /* left color */ + buf[7], buf[8], buf[9], buf[10], /* right color */ + (gint) seg->type, + (gint) seg->color, + (gint) seg->left_color_type, + (gint) seg->right_color_type); + } + + if (! g_output_stream_write_all (output, string->str, string->len, + NULL, NULL, error)) + { + g_string_free (string, TRUE); + + return FALSE; + } + + g_string_free (string, TRUE); + + return TRUE; +} + +gboolean +gimp_gradient_save_pov (GimpGradient *gradient, + GFile *file, + GError **error) +{ + GOutputStream *output; + GString *string; + GimpGradientSegment *seg; + gchar buf[G_ASCII_DTOSTR_BUF_SIZE]; + gchar color_buf[4][G_ASCII_DTOSTR_BUF_SIZE]; + GError *my_error = NULL; + + g_return_val_if_fail (GIMP_IS_GRADIENT (gradient), FALSE); + g_return_val_if_fail (G_IS_FILE (file), FALSE); + g_return_val_if_fail (error == NULL || *error == NULL, FALSE); + + output = G_OUTPUT_STREAM (g_file_replace (file, + NULL, FALSE, G_FILE_CREATE_NONE, + NULL, error)); + if (! output) + return FALSE; + + string = g_string_new ("/* color_map file created by GIMP */\n" + "/* https://www.gimp.org/ */\n" + "color_map {\n"); + + for (seg = gradient->segments; seg; seg = seg->next) + { + /* Left */ + g_ascii_dtostr (buf, G_ASCII_DTOSTR_BUF_SIZE, + seg->left); + g_ascii_dtostr (color_buf[0], G_ASCII_DTOSTR_BUF_SIZE, + seg->left_color.r); + g_ascii_dtostr (color_buf[1], G_ASCII_DTOSTR_BUF_SIZE, + seg->left_color.g); + g_ascii_dtostr (color_buf[2], G_ASCII_DTOSTR_BUF_SIZE, + seg->left_color.b); + g_ascii_dtostr (color_buf[3], G_ASCII_DTOSTR_BUF_SIZE, + 1.0 - seg->left_color.a); + + g_string_append_printf (string, + "\t[%s color rgbt <%s, %s, %s, %s>]\n", + buf, + color_buf[0], color_buf[1], + color_buf[2], color_buf[3]); + + /* Middle */ + g_ascii_dtostr (buf, G_ASCII_DTOSTR_BUF_SIZE, + seg->middle); + g_ascii_dtostr (color_buf[0], G_ASCII_DTOSTR_BUF_SIZE, + (seg->left_color.r + seg->right_color.r) / 2.0); + g_ascii_dtostr (color_buf[1], G_ASCII_DTOSTR_BUF_SIZE, + (seg->left_color.g + seg->right_color.g) / 2.0); + g_ascii_dtostr (color_buf[2], G_ASCII_DTOSTR_BUF_SIZE, + (seg->left_color.b + seg->right_color.b) / 2.0); + g_ascii_dtostr (color_buf[3], G_ASCII_DTOSTR_BUF_SIZE, + 1.0 - (seg->left_color.a + seg->right_color.a) / 2.0); + + g_string_append_printf (string, + "\t[%s color rgbt <%s, %s, %s, %s>]\n", + buf, + color_buf[0], color_buf[1], + color_buf[2], color_buf[3]); + + /* Right */ + g_ascii_dtostr (buf, G_ASCII_DTOSTR_BUF_SIZE, + seg->right); + g_ascii_dtostr (color_buf[0], G_ASCII_DTOSTR_BUF_SIZE, + seg->right_color.r); + g_ascii_dtostr (color_buf[1], G_ASCII_DTOSTR_BUF_SIZE, + seg->right_color.g); + g_ascii_dtostr (color_buf[2], G_ASCII_DTOSTR_BUF_SIZE, + seg->right_color.b); + g_ascii_dtostr (color_buf[3], G_ASCII_DTOSTR_BUF_SIZE, + 1.0 - seg->right_color.a); + + g_string_append_printf (string, + "\t[%s color rgbt <%s, %s, %s, %s>]\n", + buf, + color_buf[0], color_buf[1], + color_buf[2], color_buf[3]); + } + + g_string_append_printf (string, "} /* color_map */\n"); + + if (! g_output_stream_write_all (output, string->str, string->len, + NULL, NULL, &my_error)) + { + GCancellable *cancellable = g_cancellable_new (); + + g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_WRITE, + _("Writing POV file '%s' failed: %s"), + gimp_file_get_utf8_name (file), + my_error->message); + g_clear_error (&my_error); + g_string_free (string, TRUE); + + /* Cancel the overwrite initiated by g_file_replace(). */ + g_cancellable_cancel (cancellable); + g_output_stream_close (output, cancellable, NULL); + g_object_unref (cancellable); + g_object_unref (output); + + return FALSE; + } + + g_string_free (string, TRUE); + g_object_unref (output); + + return TRUE; +} |