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gimp/app/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 "appenv.h"
#include "actionarea.h"
#include "colormaps.h"
#include "info_dialog.h"
#include "info_window.h"
#include "gdisplay.h"
#include "gximage.h"
#include "interface.h"
#include "scroll.h"
#include "libgimp/gimpintl.h"
#include "libgimp/gimpunit.h"
#include "pixmaps/dropper.xpm"
#define MAX_BUF 256
typedef struct _InfoWinData InfoWinData;
struct _InfoWinData
{
char dimensions_str[MAX_BUF];
char scale_str[MAX_BUF];
char color_type_str[MAX_BUF];
char visual_class_str[MAX_BUF];
char visual_depth_str[MAX_BUF];
char shades_str[MAX_BUF];
char resolution_str[MAX_BUF];
char unit_str[MAX_BUF];
void *gdisp_ptr; /* I'a not happy 'bout this one */
GtkWidget *labelBvalue;
GtkWidget *labelGvalue;
GtkWidget *labelRvalue;
GtkWidget *labelAvalue;
gboolean showingPreview;
};
/* The different classes of visuals */
static char *visual_classes[] =
{
N_("Static Gray"),
N_("Grayscale"),
N_("Static Color"),
N_("Pseudo Color"),
N_("True Color"),
N_("Direct Color"),
};
static void
get_shades (GDisplay *gdisp,
char *buf)
{
g_snprintf (buf, MAX_BUF, "Using GdkRgb - we'll get back to you");
#if 0
GtkPreviewInfo *info;
info = gtk_preview_get_info ();
switch (gimage_base_type (gdisp->gimage))
{
case GRAY:
g_snprintf (buf, MAX_BUF, "%d", info->ngray_shades);
break;
case RGB:
switch (gdisp->depth)
{
case 8 :
g_snprintf (buf, MAX_BUF, "%d / %d / %d",
info->nred_shades,
info->ngreen_shades,
info->nblue_shades);
break;
case 15 : case 16 :
g_snprintf (buf, MAX_BUF, "%d / %d / %d",
(1 << (8 - info->visual->red_prec)),
(1 << (8 - info->visual->green_prec)),
(1 << (8 - info->visual->blue_prec)));
break;
case 24 :
g_snprintf (buf, MAX_BUF, "256 / 256 / 256");
break;
}
break;
case INDEXED:
g_snprintf (buf, MAX_BUF, "%d", gdisp->gimage->num_cols);
break;
}
#endif
}
static void
info_window_close_callback (GtkWidget *widget,
gpointer client_data)
{
info_dialog_popdown ((InfoDialog *) client_data);
}
static void
info_window_page_switch (GtkWidget *widget,
GtkNotebookPage *page,
gint page_num)
{
InfoDialog *info_win;
InfoWinData *iwd;
info_win = (InfoDialog *)gtk_object_get_user_data(GTK_OBJECT (widget));
iwd = (InfoWinData *)info_win->user_data;
/* Only deal with the second page */
if(page_num != 1)
{
iwd->showingPreview = FALSE;
return;
}
iwd->showingPreview = TRUE;
}
static void
info_window_image_preview_book(InfoDialog *info_win)
{
GtkWidget *hbox1;
GtkWidget *frame;
GtkWidget *alignment;
GtkWidget *table2;
GtkWidget *labelBvalue;
GtkWidget *labelGvalue;
GtkWidget *labelRvalue;
GtkWidget *labelAvalue;
GtkWidget *labelB;
GtkWidget *labelG;
GtkWidget *labelR;
GtkWidget *labelA;
GtkWidget *pixmapwid;
GdkPixmap *pixmap;
GdkBitmap *mask;
GtkStyle *style;
InfoWinData *iwd;
iwd = (InfoWinData *)info_win->user_data;
hbox1 = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox1);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_widget_show (alignment);
frame = gtk_frame_new(NULL);
gtk_widget_show (frame);
gtk_box_pack_start (GTK_BOX (hbox1), alignment, TRUE, TRUE, 0);
table2 = gtk_table_new (5, 2, TRUE);
gtk_container_border_width (GTK_CONTAINER (table2), 2);
gtk_widget_show (table2);
gtk_container_add (GTK_CONTAINER (frame), table2);
gtk_container_add (GTK_CONTAINER (alignment), frame);
labelAvalue = gtk_label_new ("N/A");
gtk_widget_show (labelAvalue);
gtk_table_attach (GTK_TABLE (table2), labelAvalue, 1, 2, 4, 5,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelBvalue = gtk_label_new ("N/A");
gtk_widget_show (labelBvalue);
gtk_table_attach (GTK_TABLE (table2), labelBvalue, 1, 2, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelGvalue = gtk_label_new ("N/A");
gtk_widget_show (labelGvalue);
gtk_table_attach (GTK_TABLE (table2), labelGvalue, 1, 2, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelRvalue = gtk_label_new ("N/A");
gtk_widget_show (labelRvalue);
gtk_table_attach (GTK_TABLE (table2), labelRvalue, 1, 2, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelA = gtk_label_new ("A:");
gtk_widget_show (labelA);
gtk_table_attach (GTK_TABLE (table2), labelA, 0, 1, 4, 5,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelB = gtk_label_new ("B:");
gtk_widget_show (labelB);
gtk_table_attach (GTK_TABLE (table2), labelB, 0, 1, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelG = gtk_label_new ("G:");
gtk_widget_show (labelG);
gtk_table_attach (GTK_TABLE (table2), labelG, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
labelR = gtk_label_new ("R:");
gtk_widget_show (labelR);
gtk_table_attach (GTK_TABLE (table2), labelR, 0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_realize(info_win->shell);
style = gtk_widget_get_style (info_win->shell);
pixmap = gdk_pixmap_create_from_xpm_d (info_win->shell->window, &mask,
&style->bg[GTK_STATE_NORMAL],
dropper_xpm);
pixmapwid = gtk_pixmap_new (pixmap, mask);
gtk_misc_set_alignment (GTK_MISC (pixmapwid), 0.2, 0.2);
gtk_table_attach (GTK_TABLE (table2), pixmapwid, 0, 2, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (pixmapwid);
gtk_notebook_append_page(GTK_NOTEBOOK(info_win->info_notebook),
hbox1,
gtk_label_new (_("Extended")));
/* Set back to first page */
gtk_notebook_set_page(GTK_NOTEBOOK(info_win->info_notebook),0);
gtk_object_set_user_data(GTK_OBJECT (info_win->info_notebook),
(gpointer)info_win);
gtk_signal_connect (GTK_OBJECT (info_win->info_notebook), "switch_page",
GTK_SIGNAL_FUNC (info_window_page_switch), NULL);
iwd->labelBvalue = labelBvalue;
iwd->labelGvalue = labelGvalue;
iwd->labelRvalue = labelRvalue;
iwd->labelAvalue = labelAvalue;
}
/* displays information:
* image name
* image width, height
* zoom ratio
* image color type
* Display info:
* visual class
* visual depth
* shades of color/gray
*/
static ActionAreaItem action_items[] =
{
{ N_("Close"), info_window_close_callback, NULL, NULL },
};
InfoDialog *
info_window_create (void *gdisp_ptr)
{
InfoDialog *info_win;
GDisplay *gdisp;
InfoWinData *iwd;
char * title, * title_buf;
int type;
gdisp = (GDisplay *) gdisp_ptr;
title = g_basename (gimage_filename (gdisp->gimage));
type = gimage_base_type (gdisp->gimage);
/* create the info dialog */
title_buf = g_strdup_printf (_("%s: Window Info"), title);
info_win = info_dialog_notebook_new (title_buf,
gimp_standard_help_func,
"dialogs/info_window.html");
g_free (title_buf);
iwd = g_new (InfoWinData, 1);
info_win->user_data = iwd;
iwd->dimensions_str[0] = '\0';
iwd->resolution_str[0] = '\0';
iwd->unit_str[0] = '\0';
iwd->scale_str[0] = '\0';
iwd->color_type_str[0] = '\0';
iwd->visual_class_str[0] = '\0';
iwd->visual_depth_str[0] = '\0';
iwd->shades_str[0] = '\0';
iwd->showingPreview = FALSE;
/* add the information fields */
info_dialog_add_label (info_win, _("Dimensions (w x h):"),
iwd->dimensions_str);
info_dialog_add_label (info_win, _("Resolution:"),
iwd->resolution_str);
info_dialog_add_label (info_win, _("Unit:"),
iwd->unit_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);
if (type == RGB)
info_dialog_add_label (info_win, _("Shades of Color:"),
iwd->shades_str);
else if (type == INDEXED)
info_dialog_add_label (info_win, _("Shades:"),
iwd->shades_str);
else if (type == GRAY)
info_dialog_add_label (info_win, _("Shades of Gray:"),
iwd->shades_str);
/* update the fields */
info_window_update (info_win, gdisp_ptr);
/* Add extra tabs */
info_window_image_preview_book(info_win);
/* Create the action area */
action_items[0].user_data = info_win;
build_action_area (GTK_DIALOG (info_win->shell), action_items, 1, 0);
return info_win;
}
void
info_window_update_RGB (InfoDialog *info_win,
void *gdisp_ptr,
gdouble tx,
gdouble ty)
{
GDisplay *gdisp;
InfoWinData *iwd;
char buff[5];
guchar *color;
gint has_alpha;
gint sample_type;
if(!info_win)
return;
gdisp = (GDisplay *) gdisp_ptr;
iwd = (InfoWinData *) info_win->user_data;
if(!iwd || iwd->showingPreview == FALSE)
return;
/* gimage_active_drawable (gdisp->gimage) */
if (!(color = gimp_image_get_color_at(gdisp->gimage, tx, ty))
|| (tx < 0.0 && ty < 0.0))
{
g_snprintf(buff,5,"%4s","N/A");
gtk_label_set_text(GTK_LABEL(iwd->labelBvalue),buff);
gtk_label_set_text(GTK_LABEL(iwd->labelGvalue),buff);
gtk_label_set_text(GTK_LABEL(iwd->labelRvalue),buff);
gtk_label_set_text(GTK_LABEL(iwd->labelAvalue),buff);
return;
}
g_snprintf(buff,5,"%4d",(gint)color[BLUE_PIX]);
gtk_label_set_text(GTK_LABEL(iwd->labelBvalue),buff);
g_snprintf(buff,5,"%4d",(gint)color[GREEN_PIX]);
gtk_label_set_text(GTK_LABEL(iwd->labelGvalue),buff);
g_snprintf(buff,5,"%4d",(gint)color[RED_PIX]);
gtk_label_set_text(GTK_LABEL(iwd->labelRvalue),buff);
sample_type = gimp_image_composite_type (gdisp->gimage);
has_alpha = TYPE_HAS_ALPHA (sample_type);
if(has_alpha)
g_snprintf(buff,5,"%4d",(gint)color[ALPHA_PIX]);
else
g_snprintf(buff,5,"%4s","N/A");
gtk_label_set_text(GTK_LABEL(iwd->labelAvalue),buff);
g_free(color);
}
void
info_window_free (InfoDialog *info_win)
{
g_free (info_win->user_data);
info_dialog_free (info_win);
}
void
info_window_update (InfoDialog *info_win,
void *gdisp_ptr)
{
GDisplay *gdisp;
InfoWinData *iwd;
int type;
gdouble unit_factor;
gint unit_digits;
gchar format_buf[32];
gdisp = (GDisplay *) gdisp_ptr;
iwd = (InfoWinData *) info_win->user_data;
/* width and height */
unit_factor = gimp_unit_get_factor (gdisp->gimage->unit);
unit_digits = gimp_unit_get_digits (gdisp->gimage->unit);
g_snprintf (format_buf, sizeof (format_buf),
"%%d x %%d pixels (%%.%df x %%.%df %s)",
unit_digits + 1, unit_digits + 1,
gimp_unit_get_symbol (gdisp->gimage->unit));
g_snprintf (iwd->dimensions_str, MAX_BUF, format_buf,
(int) gdisp->gimage->width,
(int) gdisp->gimage->height,
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);
/* image unit */
g_snprintf (iwd->unit_str, MAX_BUF, "%s",
gimp_unit_get_plural (gdisp->gimage->unit));
/* user zoom ratio */
g_snprintf (iwd->scale_str, MAX_BUF, "%d:%d",
SCALEDEST (gdisp), SCALESRC (gdisp));
type = gimage_base_type (gdisp->gimage);
/* color type */
if (type == RGB)
g_snprintf (iwd->color_type_str, MAX_BUF, "%s", _("RGB Color"));
else if (type == GRAY)
g_snprintf (iwd->color_type_str, MAX_BUF, "%s", _("Grayscale"));
else if (type == INDEXED)
g_snprintf (iwd->color_type_str, MAX_BUF, "%s", _("Indexed Color"));
/* visual class */
if (type == RGB ||
type == INDEXED)
g_snprintf (iwd->visual_class_str, MAX_BUF, "%s", visual_classes[g_visual->type]);
else if (type == GRAY)
g_snprintf (iwd->visual_class_str, MAX_BUF, "%s", visual_classes[g_visual->type]);
/* visual depth */
g_snprintf (iwd->visual_depth_str, MAX_BUF, "%d", gdisp->depth);
/* pure color shades */
get_shades (gdisp, iwd->shades_str);
info_dialog_update (info_win);
}
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