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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /plug-ins/gimpressionist/paper.c
parentInitial commit. (diff)
downloadgimp-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--plug-ins/gimpressionist/paper.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/plug-ins/gimpressionist/paper.c b/plug-ins/gimpressionist/paper.c
new file mode 100644
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+++ b/plug-ins/gimpressionist/paper.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 <string.h>
+
+#include <gtk/gtk.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "gimpressionist.h"
+#include "ppmtool.h"
+#include "paper.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+
+static GtkWidget *paper_preview = NULL;
+static GtkWidget *paper_invert = NULL;
+static GtkWidget *paper_list = NULL;
+static GtkObject *paper_relief_adjust = NULL;
+static GtkObject *paper_scale_adjust = NULL;
+static GtkWidget *paper_overlay = NULL;
+
+static void paper_update_preview (void)
+{
+ gint i, j;
+ guchar *buf, *paper_preview_buffer;
+ gdouble sc;
+ ppm_t p = {0, 0, NULL};
+
+ ppm_load (pcvals.selected_paper, &p);
+ sc = p.width > p.height ? p.width : p.height;
+ sc = 100.0 / sc;
+ resize (&p, p.width*sc,p.height*sc);
+
+ paper_preview_buffer = g_new0 (guchar, 100*100);
+
+ for (i = 0, buf = paper_preview_buffer; i < 100; i++, buf += 100)
+ {
+ gint k = i * p.width * 3;
+
+ if (i < p.height)
+ {
+ for (j = 0; j < p.width; j++)
+ buf[j] = p.col[k + j * 3];
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_invert)))
+ for (j = 0; j < p.width; j++)
+ buf[j] = 255 - buf[j];
+ }
+ }
+ gimp_preview_area_draw (GIMP_PREVIEW_AREA (paper_preview),
+ 0, 0, 100, 100,
+ GIMP_GRAY_IMAGE,
+ paper_preview_buffer,
+ 100);
+
+ ppm_kill (&p);
+ g_free (paper_preview_buffer);
+
+ gtk_widget_queue_draw (paper_preview);
+}
+
+static void
+paper_select (GtkTreeSelection *selection,
+ gpointer data)
+{
+ GtkTreeIter iter;
+ GtkTreeModel *model;
+
+ if (gtk_tree_selection_get_selected (selection, &model, &iter))
+ {
+ gchar *paper;
+
+ gtk_tree_model_get (model, &iter, 0, &paper, -1);
+
+ if (paper)
+ {
+ gchar *fname = g_build_filename ("Paper", paper, NULL);
+
+ g_strlcpy (pcvals.selected_paper,
+ fname, sizeof (pcvals.selected_paper));
+
+ paper_update_preview ();
+
+ g_free (fname);
+ g_free (paper);
+ }
+ }
+}
+
+void
+paper_restore (void)
+{
+ reselect (paper_list, pcvals.selected_paper);
+ gtk_adjustment_set_value (GTK_ADJUSTMENT (paper_relief_adjust), pcvals.paper_relief);
+ gtk_adjustment_set_value (GTK_ADJUSTMENT (paper_scale_adjust), pcvals.paper_scale);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (paper_invert), pcvals.paper_invert);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (paper_overlay), pcvals.paper_overlay);
+}
+
+void
+paper_store (void)
+{
+ pcvals.paper_invert = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_invert));
+ pcvals.paper_overlay = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_overlay));
+}
+
+void
+create_paperpage (GtkNotebook *notebook)
+{
+ GtkWidget *box1, *thispage, *box2;
+ GtkWidget *label, *tmpw, *table;
+ GtkWidget *view;
+ GtkWidget *frame;
+ GtkTreeSelection *selection;
+ GtkTreeIter iter;
+ GtkListStore *paper_store_list;
+
+ label = gtk_label_new_with_mnemonic (_("P_aper"));
+
+ thispage = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (thispage), 12);
+ gtk_widget_show (thispage);
+
+ box1 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
+ gtk_box_pack_start (GTK_BOX (thispage), box1, TRUE, TRUE, 0);
+ gtk_widget_show (box1);
+
+ paper_list = view = create_one_column_list (box1, paper_select);
+ paper_store_list =
+ GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+
+ box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, FALSE, 0);
+ gtk_widget_show (box2);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ gtk_box_pack_start (GTK_BOX (box2), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ paper_preview = tmpw = gimp_preview_area_new ();
+ gtk_widget_set_size_request (tmpw, 100, 100);
+ gtk_container_add (GTK_CONTAINER (frame), tmpw);
+ gtk_widget_show (tmpw);
+
+ paper_invert = tmpw = gtk_check_button_new_with_mnemonic ( _("_Invert"));
+ gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw), FALSE);
+ gtk_widget_show (tmpw);
+ g_signal_connect_swapped (tmpw, "clicked",
+ G_CALLBACK (paper_select), selection);
+ gimp_help_set_help_data (tmpw, _("Inverts the Papers texture"), NULL);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
+ pcvals.paper_invert);
+
+ paper_overlay = tmpw = gtk_check_button_new_with_mnemonic ( _("O_verlay"));
+ gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw), FALSE);
+ gtk_widget_show (tmpw);
+ gimp_help_set_help_data
+ (tmpw, _("Applies the paper as it is (without embossing it)"), NULL);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
+ pcvals.paper_overlay);
+
+ table = gtk_table_new (2, 3, FALSE);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 6);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 6);
+ gtk_box_pack_start (GTK_BOX (thispage), table, FALSE, FALSE, 0);
+ gtk_widget_show (table);
+
+ paper_scale_adjust =
+ gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
+ _("Scale:"),
+ 150, -1, pcvals.paper_scale,
+ 3.0, 150.0, 1.0, 10.0, 1,
+ TRUE, 0, 0,
+ _("Specifies the scale of the texture (in percent of original file)"),
+ NULL);
+ g_signal_connect (paper_scale_adjust, "value-changed",
+ G_CALLBACK (gimp_double_adjustment_update),
+ &pcvals.paper_scale);
+
+ paper_relief_adjust =
+ gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
+ _("Relief:"),
+ 150, -1, pcvals.paper_relief,
+ 0.0, 100.0, 1.0, 10.0, 1,
+ TRUE, 0, 0,
+ _("Specifies the amount of embossing to apply to the image (in percent)"),
+ NULL);
+ g_signal_connect (paper_relief_adjust, "value-changed",
+ G_CALLBACK (gimp_double_adjustment_update),
+ &pcvals.paper_relief);
+
+
+ if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (paper_store_list), &iter))
+ gtk_tree_selection_select_iter (selection, &iter);
+
+ paper_select (selection, NULL);
+ readdirintolist ("Paper", view, pcvals.selected_paper);
+ gtk_notebook_append_page_menu (notebook, thispage, label, NULL);
+}