Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 230 insertions, 0 deletions

diff --git a/app/core/gimppalettemru.c b/app/core/gimppalettemru.c
new file mode 100644
index 0000000..f68c469
--- /dev/null
+++ b/app/core/gimppalettemru.c
@@ -0,0 +1,230 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppalettemru.c
+ * Copyright (C) 2014 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "core-types.h"
+
+#include "gimppalettemru.h"
+
+#include "gimp-intl.h"
+
+
+#define MAX_N_COLORS 256
+#define RGBA_EPSILON 1e-4
+
+enum
+{
+  COLOR_HISTORY = 1
+};
+
+
+G_DEFINE_TYPE (GimpPaletteMru, gimp_palette_mru, GIMP_TYPE_PALETTE)
+
+#define parent_class gimp_palette_mru_parent_class
+
+
+static void
+gimp_palette_mru_class_init (GimpPaletteMruClass *klass)
+{
+}
+
+static void
+gimp_palette_mru_init (GimpPaletteMru *palette)
+{
+}
+
+
+/*  public functions  */
+
+GimpData *
+gimp_palette_mru_new (const gchar *name)
+{
+  GimpPaletteMru *palette;
+
+  g_return_val_if_fail (name != NULL, NULL);
+  g_return_val_if_fail (*name != '\0', NULL);
+
+  palette = g_object_new (GIMP_TYPE_PALETTE_MRU,
+                          "name",      name,
+                          "mime-type", "application/x-gimp-palette",
+                          NULL);
+
+  return GIMP_DATA (palette);
+}
+
+void
+gimp_palette_mru_load (GimpPaletteMru *mru,
+                       GFile          *file)
+{
+  GimpPalette *palette;
+  GScanner    *scanner;
+  GTokenType   token;
+
+  g_return_if_fail (GIMP_IS_PALETTE_MRU (mru));
+  g_return_if_fail (G_IS_FILE (file));
+
+  palette = GIMP_PALETTE (mru);
+
+  scanner = gimp_scanner_new_gfile (file, NULL);
+  if (! scanner)
+    return;
+
+  g_scanner_scope_add_symbol (scanner, 0, "color-history",
+                              GINT_TO_POINTER (COLOR_HISTORY));
+
+  token = G_TOKEN_LEFT_PAREN;
+
+  while (g_scanner_peek_next_token (scanner) == token)
+    {
+      token = g_scanner_get_next_token (scanner);
+
+      switch (token)
+        {
+        case G_TOKEN_LEFT_PAREN:
+          token = G_TOKEN_SYMBOL;
+          break;
+
+        case G_TOKEN_SYMBOL:
+          if (scanner->value.v_symbol == GINT_TO_POINTER (COLOR_HISTORY))
+            {
+              while (g_scanner_peek_next_token (scanner) == G_TOKEN_LEFT_PAREN)
+                {
+                  GimpRGB color;
+
+                  if (! gimp_scanner_parse_color (scanner, &color))
+                    goto end;
+
+                  gimp_palette_add_entry (palette, -1,
+                                          _("History Color"), &color);
+
+                  if (gimp_palette_get_n_colors (palette) == MAX_N_COLORS)
+                    goto end;
+                }
+            }
+          token = G_TOKEN_RIGHT_PAREN;
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          token = G_TOKEN_LEFT_PAREN;
+          break;
+
+        default: /* do nothing */
+          break;
+        }
+    }
+
+ end:
+  gimp_scanner_destroy (scanner);
+}
+
+void
+gimp_palette_mru_save (GimpPaletteMru *mru,
+                       GFile          *file)
+{
+  GimpPalette      *palette;
+  GimpConfigWriter *writer;
+  GList            *list;
+
+  g_return_if_fail (GIMP_IS_PALETTE_MRU (mru));
+  g_return_if_fail (G_IS_FILE (file));
+
+  writer = gimp_config_writer_new_gfile (file,
+                                         TRUE,
+                                         "GIMP colorrc\n\n"
+                                         "This file holds a list of "
+                                         "recently used colors.",
+                                         NULL);
+  if (! writer)
+    return;
+
+  palette = GIMP_PALETTE (mru);
+
+  gimp_config_writer_open (writer, "color-history");
+
+  for (list = palette->colors; list; list = g_list_next (list))
+    {
+      GimpPaletteEntry *entry = list->data;
+      gchar             buf[4][G_ASCII_DTOSTR_BUF_SIZE];
+
+      g_ascii_dtostr (buf[0], G_ASCII_DTOSTR_BUF_SIZE, entry->color.r);
+      g_ascii_dtostr (buf[1], G_ASCII_DTOSTR_BUF_SIZE, entry->color.g);
+      g_ascii_dtostr (buf[2], G_ASCII_DTOSTR_BUF_SIZE, entry->color.b);
+      g_ascii_dtostr (buf[3], G_ASCII_DTOSTR_BUF_SIZE, entry->color.a);
+
+      gimp_config_writer_open (writer, "color-rgba");
+      gimp_config_writer_printf (writer, "%s %s %s %s",
+                                 buf[0], buf[1], buf[2], buf[3]);
+      gimp_config_writer_close (writer);
+    }
+
+  gimp_config_writer_close (writer);
+
+  gimp_config_writer_finish (writer, "end of colorrc", NULL);
+}
+
+void
+gimp_palette_mru_add (GimpPaletteMru *mru,
+                      const GimpRGB  *color)
+{
+  GimpPalette *palette;
+  GList       *list;
+
+  g_return_if_fail (GIMP_IS_PALETTE_MRU (mru));
+  g_return_if_fail (color != NULL);
+
+  palette = GIMP_PALETTE (mru);
+
+  /*  is the added color already there?  */
+  for (list = gimp_palette_get_colors (palette);
+       list;
+       list = g_list_next (list))
+    {
+      GimpPaletteEntry *entry = list->data;
+
+      if (gimp_rgba_distance (&entry->color, color) < RGBA_EPSILON)
+        {
+          gimp_palette_move_entry (palette, entry, 0);
+
+          /*  Even though they are nearly the same color, let's make them
+           *  exactly equal.
+           */
+          gimp_palette_set_entry_color (palette, 0, color);
+
+          return;
+        }
+    }
+
+  if (gimp_palette_get_n_colors (palette) == MAX_N_COLORS)
+    {
+      gimp_palette_delete_entry (palette,
+                                 gimp_palette_get_entry (palette,
+                                                         MAX_N_COLORS - 1));
+    }
+
+  gimp_palette_add_entry (palette, 0, _("History Color"), color);
+}