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gimp/app/gui/info-window.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-projection.h"
#include "core/gimpunit.h"
#include "file/file-utils.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "widgets/gimpviewabledialog.h"
#include "info-dialog.h"
#include "info-window.h"
#include "gimp-intl.h"
#define MAX_BUF 256
typedef struct _InfoWinData InfoWinData;
struct _InfoWinData
{
GimpDisplay *gdisp;
gchar dimensions_str[MAX_BUF];
gchar real_dimensions_str[MAX_BUF];
gchar scale_str[MAX_BUF];
gchar color_type_str[MAX_BUF];
gchar visual_class_str[MAX_BUF];
gchar visual_depth_str[MAX_BUF];
gchar resolution_str[MAX_BUF];
const gchar *unit_str;
GtkWidget *pos_labels[4];
GtkWidget *unit_labels[2];
GtkWidget *rgb_labels[3];
GtkWidget *hsv_labels[3];
GtkWidget *alpha_label;
gboolean showing_extended;
};
/* The different classes of visuals */
static const gchar *visual_classes[] =
{
N_("Static Gray"),
N_("Grayscale"),
N_("Static Color"),
N_("Pseudo Color"),
N_("True Color"),
N_("Direct Color"),
};
static void
info_window_close_callback (GtkWidget *widget,
gpointer data)
{
info_dialog_popdown ((InfoDialog *) data);
}
static void
info_window_page_switch (GtkWidget *widget,
GtkNotebookPage *page,
gint page_num,
InfoDialog *info_win)
{
InfoWinData *iwd;
iwd = (InfoWinData *) info_win->user_data;
iwd->showing_extended = (page_num == 1);
}
/* displays information:
* cursor pos
* cursor pos in real units
* color under cursor
* Can't we find a better place for this than in the image window? (Ralf)
*/
static void
info_window_create_extended (InfoDialog *info_win,
Gimp *gimp)
{
GtkWidget *hbox;
GtkWidget *frame;
GtkWidget *hbox2;
GtkWidget *abox;
GtkWidget *table;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *image;
GtkWidget *sep;
InfoWinData *iwd;
gint i;
iwd = (InfoWinData *) info_win->user_data;
hbox = gtk_hbox_new (TRUE, 4);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
/* cursor information */
frame = gtk_frame_new (NULL);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
image = gtk_image_new_from_stock (GIMP_STOCK_TOOL_MOVE, GTK_ICON_SIZE_BUTTON);
gtk_frame_set_label_widget (GTK_FRAME (frame), image);
gtk_widget_show (image);
abox = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
gtk_container_set_border_width (GTK_CONTAINER (abox), 4);
gtk_container_add (GTK_CONTAINER (frame), abox);
gtk_widget_show (abox);
table = gtk_table_new (4, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 4);
gtk_container_add (GTK_CONTAINER (abox), table);
gtk_widget_show (table);
label = gtk_label_new (_("X:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Y:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
for (i = 0; i < 4; i++)
{
iwd->pos_labels[i] = label = gtk_label_new (_("N/A"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 1, 2, i, i + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
if (i & 1)
{
iwd->unit_labels[i/2] = label = gtk_label_new (NULL);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 2, 3, i, i + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
}
}
/* color information */
frame = gtk_frame_new (NULL);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
image = gtk_image_new_from_stock (GIMP_STOCK_TOOL_COLOR_PICKER,
GTK_ICON_SIZE_BUTTON);
gtk_frame_set_label_widget (GTK_FRAME (frame), image);
gtk_widget_show (image);
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
hbox2 = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox2, FALSE, FALSE, 0);
gtk_widget_show (hbox2);
/* RGB */
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 4);
gtk_box_pack_start (GTK_BOX (hbox2), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* Red */
label = gtk_label_new (_("R:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* Green */
label = gtk_label_new (_("G:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* Blue */
label = gtk_label_new (_("B:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
for (i = 0; i < 3; i++)
{
iwd->rgb_labels[i] = label = gtk_label_new (_("N/A"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 1, 2, i, i + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
}
/* HSV */
sep = gtk_vseparator_new ();
gtk_box_pack_start (GTK_BOX (hbox2), sep, FALSE, FALSE, 4);
gtk_widget_show (sep);
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 4);
gtk_box_pack_end (GTK_BOX (hbox2), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* Hue */
label = gtk_label_new (_("H:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* Saturation */
label = gtk_label_new (_("S:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* Value */
label = gtk_label_new (_("V:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
for (i = 0; i < 3; i++)
{
iwd->hsv_labels[i] = label = gtk_label_new (_("N/A"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 1, 2, i, i + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (label);
}
/* Alpha */
hbox2 = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox2, FALSE, FALSE, 0);
gtk_widget_show (hbox2);
label = gtk_label_new (_("A:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, FALSE, 0);
gtk_widget_show (label);
iwd->alpha_label = label = gtk_label_new (_("N/A"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gtk_notebook_append_page (GTK_NOTEBOOK (info_win->info_notebook),
hbox, gtk_label_new (_("Extended")));
gtk_widget_show (hbox);
/* Set back to first page */
gtk_notebook_set_current_page (GTK_NOTEBOOK (info_win->info_notebook), 0);
g_signal_connect (info_win->info_notebook, "switch_page",
G_CALLBACK (info_window_page_switch),
info_win);
}
InfoDialog *
info_window_create (GimpDisplay *gdisp)
{
InfoDialog *info_win;
InfoWinData *iwd;
gint type;
type = gimp_image_base_type (gdisp->gimage);
info_win = info_dialog_notebook_new (GIMP_VIEWABLE (gdisp->gimage),
_("Info Window"), "info_window",
GIMP_STOCK_INFO,
_("Image Information"),
gimp_standard_help_func,
"dialogs/info_window.html");
gimp_dialog_create_action_area (GIMP_DIALOG (info_win->shell),
GTK_STOCK_CLOSE, info_window_close_callback,
info_win, NULL, NULL, TRUE, TRUE,
NULL);
iwd = g_new0 (InfoWinData, 1);
iwd->gdisp = gdisp;
info_win->user_data = iwd;
/* add the information fields */
info_dialog_add_label (info_win, _("Dimensions (W x H):"),
iwd->dimensions_str);
info_dialog_add_label (info_win, '\0',
iwd->real_dimensions_str);
info_dialog_add_label (info_win, _("Resolution:"),
iwd->resolution_str);
info_dialog_add_label (info_win, _("Scale Ratio:"),
iwd->scale_str);
info_dialog_add_label (info_win, _("Display Type:"),
iwd->color_type_str);
info_dialog_add_label (info_win, _("Visual Class:"),
iwd->visual_class_str);
info_dialog_add_label (info_win, _("Visual Depth:"),
iwd->visual_depth_str);
/* Add extra tabs */
info_window_create_extended (info_win, gdisp->gimage->gimp);
/* update the fields */
info_window_update (gdisp);
return info_win;
}
static InfoDialog *info_window_auto = NULL;
static void
info_window_change_display (GimpContext *context,
GimpDisplay *newdisp,
gpointer data)
{
GimpDisplay *gdisp = newdisp;
GimpDisplay *old_gdisp;
GimpImage *gimage;
InfoWinData *iwd;
iwd = (InfoWinData *) info_window_auto->user_data;
old_gdisp = (GimpDisplay *) iwd->gdisp;
if (!info_window_auto || gdisp == old_gdisp || !gdisp)
return;
gimage = gdisp->gimage;
if (gimage && gimp_container_have (context->gimp->images,
GIMP_OBJECT (gimage)))
{
iwd->gdisp = gdisp;
info_window_update (gdisp);
}
}
void
info_window_follow_auto (Gimp *gimp)
{
GimpContext *context;
GimpDisplay *gdisp;
g_return_if_fail (GIMP_IS_GIMP (gimp));
context = gimp_get_user_context (gimp);
gdisp = gimp_context_get_display (context);
if (! gdisp)
return;
if (! info_window_auto)
{
info_window_auto = info_window_create (gdisp);
g_signal_connect (context, "display_changed",
G_CALLBACK (info_window_change_display),
NULL);
info_window_update (gdisp);
}
info_dialog_popup (info_window_auto);
}
/* Updates all extended information. */
void
info_window_update_extended (GimpDisplay *gdisp,
gdouble tx,
gdouble ty)
{
InfoWinData *iwd;
gdouble unit_factor;
gint unit_digits;
gchar format_buf[32];
gchar buf[32];
guchar *color;
GimpImageType sample_type;
InfoDialog *info_win;
gboolean force_update = FALSE;
gint i;
info_win = GIMP_DISPLAY_SHELL (gdisp->shell)->info_dialog;
if (! info_win && info_window_auto != NULL)
info_win = info_window_auto;
if (! info_win)
return;
iwd = (InfoWinData *) info_win->user_data;
if (iwd->gdisp != gdisp)
force_update = TRUE;
iwd->gdisp = gdisp;
if (force_update)
{
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (info_window_auto->shell),
GIMP_VIEWABLE (gdisp->gimage));
info_window_update (gdisp);
}
if (! iwd || ! iwd->showing_extended)
return;
/* fill in position information */
if (tx < 0.0 && ty < 0.0)
{
iwd->unit_str = NULL;
for (i = 0; i < 4; i++)
gtk_label_set_text (GTK_LABEL (iwd->pos_labels[i]), _("N/A"));
for (i = 0; i < 2; i++)
gtk_label_set_text (GTK_LABEL (iwd->unit_labels[i]), NULL);
}
else
{
/* width and height */
unit_factor = _gimp_unit_get_factor (gdisp->gimage->gimp,
gdisp->gimage->unit);
unit_digits = _gimp_unit_get_digits (gdisp->gimage->gimp,
gdisp->gimage->unit);
if (iwd->unit_str != _gimp_unit_get_abbreviation (gdisp->gimage->gimp,
gdisp->gimage->unit))
{
iwd->unit_str = _gimp_unit_get_abbreviation (gdisp->gimage->gimp,
gdisp->gimage->unit);
gtk_label_set_text (GTK_LABEL (iwd->unit_labels[0]), iwd->unit_str);
gtk_label_set_text (GTK_LABEL (iwd->unit_labels[1]), iwd->unit_str);
}
g_snprintf (format_buf, sizeof (format_buf),
"%%.%df", unit_digits);
g_snprintf (buf, sizeof (buf), "%d", (gint) tx);
gtk_label_set_text (GTK_LABEL (iwd->pos_labels[0]), buf);
g_snprintf (buf, sizeof (buf), format_buf,
tx * unit_factor / gdisp->gimage->xresolution);
gtk_label_set_text (GTK_LABEL (iwd->pos_labels[1]), buf);
g_snprintf (buf, sizeof (buf), "%d", (gint) ty);
gtk_label_set_text (GTK_LABEL (iwd->pos_labels[2]), buf);
g_snprintf (buf, sizeof (buf), format_buf,
ty * unit_factor / gdisp->gimage->yresolution);
gtk_label_set_text (GTK_LABEL (iwd->pos_labels[3]), buf);
}
/* fill in color information */
if (! (color = gimp_image_projection_get_color_at (gdisp->gimage, tx, ty))
|| (tx < 0.0 && ty < 0.0))
{
for (i = 0; i < 3; i++)
{
gtk_label_set_text (GTK_LABEL (iwd->rgb_labels[i]), _("N/A"));
gtk_label_set_text (GTK_LABEL (iwd->hsv_labels[i]), _("N/A"));
}
gtk_label_set_text (GTK_LABEL (iwd->alpha_label), _("N/A"));
}
else
{
GimpRGB rgb;
GimpHSV hsv;
sample_type = gimp_image_projection_type (gdisp->gimage);
for (i = RED_PIX; i <= BLUE_PIX; i++)
{
g_snprintf (buf, sizeof (buf), "%d", (gint) color[i]);
gtk_label_set_text (GTK_LABEL (iwd->rgb_labels[i]), buf);
}
if (GIMP_IMAGE_TYPE_HAS_ALPHA (sample_type))
{
g_snprintf (buf, sizeof (buf), "%d (%d%%)",
(gint) color[ALPHA_PIX],
(gint) ((gdouble) color[ALPHA_PIX] / 2.55));
gtk_label_set_text (GTK_LABEL (iwd->alpha_label), buf);
}
else
{
gtk_label_set_text (GTK_LABEL (iwd->alpha_label), _("N/A"));
}
gimp_rgb_set_uchar (&rgb,
color[RED_PIX],
color[GREEN_PIX],
color[BLUE_PIX]);
gimp_rgb_to_hsv (&rgb, &hsv);
g_snprintf (buf, sizeof (buf), "%d", ROUND (hsv.h * 360.0));
gtk_label_set_text (GTK_LABEL (iwd->hsv_labels[0]), buf);
g_snprintf (buf, sizeof (buf), "%d", ROUND (hsv.s * 100.0));
gtk_label_set_text (GTK_LABEL (iwd->hsv_labels[1]), buf);
g_snprintf (buf, sizeof (buf), "%d", ROUND (hsv.v * 100.0));
gtk_label_set_text (GTK_LABEL (iwd->hsv_labels[2]), buf);
g_free (color);
}
}
void
info_window_free (InfoDialog *info_win)
{
InfoWinData *iwd;
if (! info_win && info_window_auto)
{
gtk_widget_set_sensitive (info_window_auto->vbox, FALSE);
return;
}
if (! info_win)
return;
iwd = (InfoWinData *) info_win->user_data;
g_free (iwd);
info_dialog_free (info_win);
}
void
info_window_update (GimpDisplay *gdisp)
{
GimpDisplayShell *shell;
InfoWinData *iwd;
gint type;
gdouble unit_factor;
gint unit_digits;
gchar format_buf[32];
InfoDialog *info_win;
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
info_win = shell->info_dialog;
if (! info_win && info_window_auto != NULL)
info_win = info_window_auto;
if (! info_win)
return;
iwd = (InfoWinData *) info_win->user_data;
if (info_window_auto)
gtk_widget_set_sensitive (info_window_auto->vbox, TRUE);
/* If doing info_window_auto then return if this display
* is not the one we are showing.
*/
if (info_window_auto && iwd->gdisp != gdisp)
return;
/* width and height */
unit_factor = _gimp_unit_get_factor (gdisp->gimage->gimp,
gdisp->gimage->unit);
unit_digits = _gimp_unit_get_digits (gdisp->gimage->gimp,
gdisp->gimage->unit);
g_snprintf (iwd->dimensions_str, MAX_BUF,
_("%d x %d pixels"),
(int) gdisp->gimage->width,
(int) gdisp->gimage->height);
g_snprintf (format_buf, sizeof (format_buf),
"%%.%df x %%.%df %s",
unit_digits + 1, unit_digits + 1,
_gimp_unit_get_plural (gdisp->gimage->gimp,
gdisp->gimage->unit));
g_snprintf (iwd->real_dimensions_str, MAX_BUF, format_buf,
gdisp->gimage->width * unit_factor / gdisp->gimage->xresolution,
gdisp->gimage->height * unit_factor / gdisp->gimage->yresolution);
/* image resolution */
g_snprintf (iwd->resolution_str, MAX_BUF, _("%g x %g dpi"),
gdisp->gimage->xresolution,
gdisp->gimage->yresolution);
/* user zoom ratio */
g_snprintf (iwd->scale_str, MAX_BUF, "%d:%d",
SCALEDEST (shell), SCALESRC (shell));
type = gimp_image_base_type (gdisp->gimage);
/* color type */
switch (type)
{
case GIMP_RGB:
g_snprintf (iwd->color_type_str, MAX_BUF, "%s", _("RGB Color"));
break;
case GIMP_GRAY:
g_snprintf (iwd->color_type_str, MAX_BUF, "%s", _("Grayscale"));
break;
case GIMP_INDEXED:
g_snprintf (iwd->color_type_str, MAX_BUF, "%s (%d %s)",
_("Indexed Color"), gdisp->gimage->num_cols, _("colors"));
break;
}
{
GdkVisual *visual;
visual = gdk_rgb_get_visual ();
/* visual class */
g_snprintf (iwd->visual_class_str, MAX_BUF, "%s",
gettext (visual_classes[visual->type]));
/* visual depth */
g_snprintf (iwd->visual_depth_str, MAX_BUF, "%d", visual->depth);
}
info_dialog_update (info_win);
}
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