572 lines
18 KiB
C
572 lines
18 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikacolor/pikacolor.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "libpikabase/pikabase.h"
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#include "display-types.h"
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#include "config/pikadisplayconfig.h"
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#include "gegl/pika-babl.h"
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#include "core/pikacontainer.h"
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#include "core/pikadrawable.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-color-profile.h"
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#include "core/pikaitem.h"
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#include "pikadisplay.h"
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#include "pikadisplayshell.h"
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#include "pikadisplayshell-title.h"
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#include "pikastatusbar.h"
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#include "about.h"
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#include "pika-intl.h"
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#define MAX_TITLE_BUF 512
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static gboolean pika_display_shell_update_title_idle (gpointer data);
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static gint pika_display_shell_format_title (PikaDisplayShell *display,
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gchar *title,
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gint title_len,
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const gchar *format);
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/* public functions */
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void
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pika_display_shell_title_update (PikaDisplayShell *shell)
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{
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g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
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if (shell->title_idle_id)
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g_source_remove (shell->title_idle_id);
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shell->title_idle_id = g_idle_add (pika_display_shell_update_title_idle,
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shell);
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}
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/* private functions */
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static gboolean
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pika_display_shell_update_title_idle (gpointer data)
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{
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PikaDisplayShell *shell = PIKA_DISPLAY_SHELL (data);
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shell->title_idle_id = 0;
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if (pika_display_get_image (shell->display))
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{
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PikaDisplayConfig *config = shell->display->config;
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gchar title[MAX_TITLE_BUF];
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gchar status[MAX_TITLE_BUF];
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gint len;
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/* format the title */
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len = pika_display_shell_format_title (shell, title, sizeof (title),
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config->image_title_format);
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if (len) /* U+2013 EN DASH */
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len += g_strlcpy (title + len, " \342\200\223 ", sizeof (title) - len);
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g_strlcpy (title + len, PIKA_ACRONYM, sizeof (title) - len);
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/* format the statusbar */
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pika_display_shell_format_title (shell, status, sizeof (status),
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config->image_status_format);
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g_object_set (shell,
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"title", title,
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"status", status,
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NULL);
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}
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else
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{
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g_object_set (shell,
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"title", PIKA_NAME,
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"status", " ",
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NULL);
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}
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return FALSE;
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}
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static const gchar *
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pika_display_shell_title_image_type (PikaImage *image)
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{
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const gchar *name = "";
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pika_enum_get_value (PIKA_TYPE_IMAGE_BASE_TYPE,
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pika_image_get_base_type (image), NULL, NULL, &name, NULL);
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return name;
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}
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static const gchar *
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pika_display_shell_title_image_precision (PikaImage *image)
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{
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const gchar *name = "";
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pika_enum_get_value (PIKA_TYPE_PRECISION,
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pika_image_get_precision (image), NULL, NULL, &name, NULL);
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return name;
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}
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static gint print (gchar *buf,
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gint len,
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gint start,
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const gchar *fmt,
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...) G_GNUC_PRINTF (4, 5);
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static gint
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print (gchar *buf,
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gint len,
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gint start,
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const gchar *fmt,
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...)
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{
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va_list args;
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gint printed;
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va_start (args, fmt);
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printed = g_vsnprintf (buf + start, len - start, fmt, args);
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if (printed < 0)
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printed = len - start;
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va_end (args);
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return printed;
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}
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static gint
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pika_display_shell_format_title (PikaDisplayShell *shell,
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gchar *title,
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gint title_len,
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const gchar *format)
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{
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PikaImage *image;
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PikaDrawable *drawable = NULL;
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GList *drawables;
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gint num, denom;
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gint i = 0;
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g_return_val_if_fail (PIKA_IS_DISPLAY_SHELL (shell), 0);
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image = pika_display_get_image (shell->display);
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if (! image)
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{
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title[0] = '\n';
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return 0;
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}
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/* PIKA window title only take single selected layer into account so
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* far (not sure how we could have multi-layer concept there, except
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* wanting never-ending window titles!).
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* When multiple drawables are selected, we just display nothing.
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*/
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drawables = pika_image_get_selected_drawables (image);
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if (g_list_length (drawables) == 1)
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drawable = drawables->data;
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g_list_free (drawables);
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pika_zoom_model_get_fraction (shell->zoom, &num, &denom);
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while (i < title_len && *format)
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{
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switch (*format)
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{
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case '%':
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format++;
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switch (*format)
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{
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case 0:
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/* format string ends within %-sequence, print literal '%' */
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case '%':
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title[i++] = '%';
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break;
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case 'f': /* base filename */
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i += print (title, title_len, i, "%s",
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pika_image_get_display_name (image));
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break;
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case 'F': /* full filename */
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i += print (title, title_len, i, "%s",
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pika_image_get_display_path (image));
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break;
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case 'p': /* PDB id */
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i += print (title, title_len, i, "%d", pika_image_get_id (image));
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break;
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case 'i': /* instance */
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i += print (title, title_len, i, "%d",
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pika_display_get_instance (shell->display));
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break;
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case 't': /* image type */
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i += print (title, title_len, i, "%s %s",
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pika_display_shell_title_image_type (image),
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pika_display_shell_title_image_precision (image));
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break;
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case 'T': /* drawable type */
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if (drawable)
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{
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const Babl *format = pika_drawable_get_format (drawable);
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i += print (title, title_len, i, "%s",
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pika_babl_format_get_description (format));
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}
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break;
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case 's': /* user source zoom factor */
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i += print (title, title_len, i, "%d", denom);
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break;
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case 'd': /* user destination zoom factor */
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i += print (title, title_len, i, "%d", num);
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break;
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case 'z': /* user zoom factor (percentage) */
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{
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gdouble scale = pika_zoom_model_get_factor (shell->zoom);
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i += print (title, title_len, i,
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scale >= 0.15 ? "%.0f" : "%.2f", 100.0 * scale);
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}
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break;
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case 'D': /* dirty flag */
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if (format[1] == 0)
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{
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/* format string ends within %D-sequence, print literal '%D' */
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i += print (title, title_len, i, "%%D");
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break;
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}
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if (pika_image_is_dirty (image))
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title[i++] = format[1];
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format++;
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break;
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case 'C': /* clean flag */
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if (format[1] == 0)
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{
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/* format string ends within %C-sequence, print literal '%C' */
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i += print (title, title_len, i, "%%C");
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break;
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}
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if (! pika_image_is_dirty (image))
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title[i++] = format[1];
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format++;
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break;
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case 'B': /* dirty flag (long) */
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if (pika_image_is_dirty (image))
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i += print (title, title_len, i, "%s", _("(modified)"));
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break;
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case 'A': /* clean flag (long) */
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if (! pika_image_is_dirty (image))
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i += print (title, title_len, i, "%s", _("(clean)"));
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break;
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case 'N': /* not-exported flag */
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if (format[1] == 0)
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{
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/* format string ends within %E-sequence, print literal '%E' */
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i += print (title, title_len, i, "%%N");
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break;
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}
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if (pika_image_is_export_dirty (image))
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title[i++] = format[1];
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format++;
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break;
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case 'E': /* exported flag */
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if (format[1] == 0)
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{
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/* format string ends within %E-sequence, print literal '%E' */
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i += print (title, title_len, i, "%%E");
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break;
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}
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if (! pika_image_is_export_dirty (image))
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title[i++] = format[1];
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format++;
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break;
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case 'm': /* memory used by image */
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{
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PikaObject *object = PIKA_OBJECT (image);
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gchar *str;
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str = g_format_size (pika_object_get_memsize (object, NULL));
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i += print (title, title_len, i, "%s", str);
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g_free (str);
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}
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break;
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case 'M': /* image size in megapixels */
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i += print (title, title_len, i, "%.1f",
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(gdouble) pika_image_get_width (image) *
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(gdouble) pika_image_get_height (image) / 1000000.0);
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break;
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case 'l': /* number of layers */
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i += print (title, title_len, i, "%d",
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pika_image_get_n_layers (image));
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break;
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case 'L': /* number of layers (long) */
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{
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gint num = pika_image_get_n_layers (image);
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i += print (title, title_len, i,
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ngettext ("%d layer", "%d layers", num), num);
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}
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break;
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case 'n': /* active drawable name */
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if (drawable)
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{
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gchar *desc;
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desc = pika_viewable_get_description (PIKA_VIEWABLE (drawable),
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NULL);
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i += print (title, title_len, i, "%s", desc);
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g_free (desc);
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}
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else
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{
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i += print (title, title_len, i, "%s", _("(none)"));
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}
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break;
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case 'P': /* active drawable PDB id */
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if (drawable)
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i += print (title, title_len, i, "%d",
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pika_item_get_id (PIKA_ITEM (drawable)));
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else
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i += print (title, title_len, i, "%s", _("(none)"));
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break;
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case 'W': /* width in real-world units */
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if (shell->unit != PIKA_UNIT_PIXEL)
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{
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gdouble xres;
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gdouble yres;
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gchar unit_format[8];
|
||
|
|
|
||
|
|
pika_image_get_resolution (image, &xres, &yres);
|
||
|
|
|
||
|
|
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
|
||
|
|
pika_unit_get_scaled_digits (shell->unit, xres));
|
||
|
|
i += print (title, title_len, i, unit_format,
|
||
|
|
pika_pixels_to_units (pika_image_get_width (image),
|
||
|
|
shell->unit, xres));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* else fallthru */
|
||
|
|
|
||
|
|
case 'w': /* width in pixels */
|
||
|
|
i += print (title, title_len, i, "%d",
|
||
|
|
pika_image_get_width (image));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'H': /* height in real-world units */
|
||
|
|
if (shell->unit != PIKA_UNIT_PIXEL)
|
||
|
|
{
|
||
|
|
gdouble xres;
|
||
|
|
gdouble yres;
|
||
|
|
gchar unit_format[8];
|
||
|
|
|
||
|
|
pika_image_get_resolution (image, &xres, &yres);
|
||
|
|
|
||
|
|
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
|
||
|
|
pika_unit_get_scaled_digits (shell->unit, yres));
|
||
|
|
i += print (title, title_len, i, unit_format,
|
||
|
|
pika_pixels_to_units (pika_image_get_height (image),
|
||
|
|
shell->unit, yres));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* else fallthru */
|
||
|
|
|
||
|
|
case 'h': /* height in pixels */
|
||
|
|
i += print (title, title_len, i, "%d",
|
||
|
|
pika_image_get_height (image));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'u': /* unit symbol */
|
||
|
|
i += print (title, title_len, i, "%s",
|
||
|
|
pika_unit_get_symbol (shell->unit));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'U': /* unit abbreviation */
|
||
|
|
i += print (title, title_len, i, "%s",
|
||
|
|
pika_unit_get_abbreviation (shell->unit));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'X': /* drawable width in real world units */
|
||
|
|
if (drawable && shell->unit != PIKA_UNIT_PIXEL)
|
||
|
|
{
|
||
|
|
gdouble xres;
|
||
|
|
gdouble yres;
|
||
|
|
gchar unit_format[8];
|
||
|
|
|
||
|
|
pika_image_get_resolution (image, &xres, &yres);
|
||
|
|
|
||
|
|
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
|
||
|
|
pika_unit_get_scaled_digits (shell->unit, xres));
|
||
|
|
i += print (title, title_len, i, unit_format,
|
||
|
|
pika_pixels_to_units (pika_item_get_width
|
||
|
|
(PIKA_ITEM (drawable)),
|
||
|
|
shell->unit, xres));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* else fallthru */
|
||
|
|
|
||
|
|
case 'x': /* drawable width in pixels */
|
||
|
|
if (drawable)
|
||
|
|
i += print (title, title_len, i, "%d",
|
||
|
|
pika_item_get_width (PIKA_ITEM (drawable)));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'Y': /* drawable height in real world units */
|
||
|
|
if (drawable && shell->unit != PIKA_UNIT_PIXEL)
|
||
|
|
{
|
||
|
|
gdouble xres;
|
||
|
|
gdouble yres;
|
||
|
|
gchar unit_format[8];
|
||
|
|
|
||
|
|
pika_image_get_resolution (image, &xres, &yres);
|
||
|
|
|
||
|
|
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
|
||
|
|
pika_unit_get_scaled_digits (shell->unit, yres));
|
||
|
|
i += print (title, title_len, i, unit_format,
|
||
|
|
pika_pixels_to_units (pika_item_get_height
|
||
|
|
(PIKA_ITEM (drawable)),
|
||
|
|
shell->unit, yres));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* else fallthru */
|
||
|
|
|
||
|
|
case 'y': /* drawable height in pixels */
|
||
|
|
if (drawable)
|
||
|
|
i += print (title, title_len, i, "%d",
|
||
|
|
pika_item_get_height (PIKA_ITEM (drawable)));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'o': /* image's color profile name */
|
||
|
|
{
|
||
|
|
PikaColorManaged *managed = PIKA_COLOR_MANAGED (image);
|
||
|
|
PikaColorProfile *profile;
|
||
|
|
|
||
|
|
profile = pika_color_managed_get_color_profile (managed);
|
||
|
|
|
||
|
|
i += print (title, title_len, i, "%s",
|
||
|
|
pika_color_profile_get_label (profile));
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'e': /* display's offsets in pixels */
|
||
|
|
{
|
||
|
|
gdouble scale = pika_zoom_model_get_factor (shell->zoom);
|
||
|
|
gdouble offset_x = shell->offset_x / scale;
|
||
|
|
gdouble offset_y = shell->offset_y / scale;
|
||
|
|
|
||
|
|
i += print (title, title_len, i,
|
||
|
|
scale >= 0.15 ? "%.0fx%.0f" : "%.2fx%.2f",
|
||
|
|
offset_x, offset_y);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'r': /* view rotation angle in degrees */
|
||
|
|
{
|
||
|
|
i += print (title, title_len, i, "%.1f", shell->rotate_angle);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '\xc3': /* utf-8 extended char */
|
||
|
|
{
|
||
|
|
format ++;
|
||
|
|
switch (*format)
|
||
|
|
{
|
||
|
|
case '\xbe':
|
||
|
|
/* line actually written at 23:55 on an Easter Sunday */
|
||
|
|
i += print (title, title_len, i, "42");
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
/* in the case of an unhandled utf-8 extended char format
|
||
|
|
* leave the format string parsing as it was
|
||
|
|
*/
|
||
|
|
format--;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
/* Other cool things to be added:
|
||
|
|
* %r = xresolution
|
||
|
|
* %R = yresolution
|
||
|
|
* %ø = image's fractal dimension
|
||
|
|
* %þ = the answer to everything - (implemented)
|
||
|
|
*/
|
||
|
|
|
||
|
|
default:
|
||
|
|
/* format string contains unknown %-sequence, print it literally */
|
||
|
|
i += print (title, title_len, i, "%%%c", *format);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
title[i++] = *format;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
format++;
|
||
|
|
}
|
||
|
|
|
||
|
|
title[MIN (i, title_len - 1)] = '\0';
|
||
|
|
|
||
|
|
return i;
|
||
|
|
}
|
