1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include <string.h>
21
22 #include <gtk/gtk.h>
23
24 #include <libgimp/gimp.h>
25 #include <libgimp/gimpui.h>
26
27 #include "gimpressionist.h"
28 #include "ppmtool.h"
29 #include "paper.h"
30
31 #include "libgimp/stdplugins-intl.h"
32
33
34 static GtkWidget *paper_preview = NULL;
35 static GtkWidget *paper_invert = NULL;
36 static GtkWidget *paper_list = NULL;
37 static GtkObject *paper_relief_adjust = NULL;
38 static GtkObject *paper_scale_adjust = NULL;
39 static GtkWidget *paper_overlay = NULL;
40
paper_update_preview(void)41 static void paper_update_preview (void)
42 {
43 gint i, j;
44 guchar *buf, *paper_preview_buffer;
45 gdouble sc;
46 ppm_t p = {0, 0, NULL};
47
48 ppm_load (pcvals.selected_paper, &p);
49 sc = p.width > p.height ? p.width : p.height;
50 sc = 100.0 / sc;
51 resize (&p, p.width*sc,p.height*sc);
52
53 paper_preview_buffer = g_new0 (guchar, 100*100);
54
55 for (i = 0, buf = paper_preview_buffer; i < 100; i++, buf += 100)
56 {
57 gint k = i * p.width * 3;
58
59 if (i < p.height)
60 {
61 for (j = 0; j < p.width; j++)
62 buf[j] = p.col[k + j * 3];
63 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_invert)))
64 for (j = 0; j < p.width; j++)
65 buf[j] = 255 - buf[j];
66 }
67 }
68 gimp_preview_area_draw (GIMP_PREVIEW_AREA (paper_preview),
69 0, 0, 100, 100,
70 GIMP_GRAY_IMAGE,
71 paper_preview_buffer,
72 100);
73
74 ppm_kill (&p);
75 g_free (paper_preview_buffer);
76
77 gtk_widget_queue_draw (paper_preview);
78 }
79
80 static void
paper_select(GtkTreeSelection * selection,gpointer data)81 paper_select (GtkTreeSelection *selection,
82 gpointer data)
83 {
84 GtkTreeIter iter;
85 GtkTreeModel *model;
86
87 if (gtk_tree_selection_get_selected (selection, &model, &iter))
88 {
89 gchar *paper;
90
91 gtk_tree_model_get (model, &iter, 0, &paper, -1);
92
93 if (paper)
94 {
95 gchar *fname = g_build_filename ("Paper", paper, NULL);
96
97 g_strlcpy (pcvals.selected_paper,
98 fname, sizeof (pcvals.selected_paper));
99
100 paper_update_preview ();
101
102 g_free (fname);
103 g_free (paper);
104 }
105 }
106 }
107
108 void
paper_restore(void)109 paper_restore (void)
110 {
111 reselect (paper_list, pcvals.selected_paper);
112 gtk_adjustment_set_value (GTK_ADJUSTMENT (paper_relief_adjust), pcvals.paper_relief);
113 gtk_adjustment_set_value (GTK_ADJUSTMENT (paper_scale_adjust), pcvals.paper_scale);
114 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (paper_invert), pcvals.paper_invert);
115 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (paper_overlay), pcvals.paper_overlay);
116 }
117
118 void
paper_store(void)119 paper_store (void)
120 {
121 pcvals.paper_invert = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_invert));
122 pcvals.paper_overlay = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (paper_overlay));
123 }
124
125 void
create_paperpage(GtkNotebook * notebook)126 create_paperpage (GtkNotebook *notebook)
127 {
128 GtkWidget *box1, *thispage, *box2;
129 GtkWidget *label, *tmpw, *table;
130 GtkWidget *view;
131 GtkWidget *frame;
132 GtkTreeSelection *selection;
133 GtkTreeIter iter;
134 GtkListStore *paper_store_list;
135
136 label = gtk_label_new_with_mnemonic (_("P_aper"));
137
138 thispage = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
139 gtk_container_set_border_width (GTK_CONTAINER (thispage), 12);
140 gtk_widget_show (thispage);
141
142 box1 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
143 gtk_box_pack_start (GTK_BOX (thispage), box1, TRUE, TRUE, 0);
144 gtk_widget_show (box1);
145
146 paper_list = view = create_one_column_list (box1, paper_select);
147 paper_store_list =
148 GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
149 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
150
151 box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
152 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, FALSE, 0);
153 gtk_widget_show (box2);
154
155 frame = gtk_frame_new (NULL);
156 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
157 gtk_box_pack_start (GTK_BOX (box2), frame, FALSE, FALSE, 0);
158 gtk_widget_show (frame);
159
160 paper_preview = tmpw = gimp_preview_area_new ();
161 gtk_widget_set_size_request (tmpw, 100, 100);
162 gtk_container_add (GTK_CONTAINER (frame), tmpw);
163 gtk_widget_show (tmpw);
164
165 paper_invert = tmpw = gtk_check_button_new_with_mnemonic ( _("_Invert"));
166 gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
167 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw), FALSE);
168 gtk_widget_show (tmpw);
169 g_signal_connect_swapped (tmpw, "clicked",
170 G_CALLBACK (paper_select), selection);
171 gimp_help_set_help_data (tmpw, _("Inverts the Papers texture"), NULL);
172 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
173 pcvals.paper_invert);
174
175 paper_overlay = tmpw = gtk_check_button_new_with_mnemonic ( _("O_verlay"));
176 gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
177 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw), FALSE);
178 gtk_widget_show (tmpw);
179 gimp_help_set_help_data
180 (tmpw, _("Applies the paper as it is (without embossing it)"), NULL);
181 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
182 pcvals.paper_overlay);
183
184 table = gtk_table_new (2, 3, FALSE);
185 gtk_table_set_col_spacings (GTK_TABLE (table), 6);
186 gtk_table_set_row_spacings (GTK_TABLE (table), 6);
187 gtk_box_pack_start (GTK_BOX (thispage), table, FALSE, FALSE, 0);
188 gtk_widget_show (table);
189
190 paper_scale_adjust =
191 gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
192 _("Scale:"),
193 150, -1, pcvals.paper_scale,
194 3.0, 150.0, 1.0, 10.0, 1,
195 TRUE, 0, 0,
196 _("Specifies the scale of the texture (in percent of original file)"),
197 NULL);
198 g_signal_connect (paper_scale_adjust, "value-changed",
199 G_CALLBACK (gimp_double_adjustment_update),
200 &pcvals.paper_scale);
201
202 paper_relief_adjust =
203 gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
204 _("Relief:"),
205 150, -1, pcvals.paper_relief,
206 0.0, 100.0, 1.0, 10.0, 1,
207 TRUE, 0, 0,
208 _("Specifies the amount of embossing to apply to the image (in percent)"),
209 NULL);
210 g_signal_connect (paper_relief_adjust, "value-changed",
211 G_CALLBACK (gimp_double_adjustment_update),
212 &pcvals.paper_relief);
213
214
215 if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (paper_store_list), &iter))
216 gtk_tree_selection_select_iter (selection, &iter);
217
218 paper_select (selection, NULL);
219 readdirintolist ("Paper", view, pcvals.selected_paper);
220 gtk_notebook_append_page_menu (notebook, thispage, label, NULL);
221 }
222