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gimp/app/widgets/gimpcolormapeditor.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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __GNUC__
#warning GTK_DISABLE_DEPRECATED
#endif
#undef GTK_DISABLE_DEPRECATED
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#ifdef __GNUC__
#warning FIXME #include "display/display-types.h"
#endif
#include "display/display-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-colormap.h"
#include "core/gimpmarshal.h"
#include "display/gimpdisplayshell-render.h"
#include "gimpcolormapeditor.h"
#include "gimpdnd.h"
#include "gimpmenufactory.h"
#include "gimpuimanager.h"
#include "gimp-intl.h"
/* Add these features:
*
* load/save colormaps
* requantize
* add color--by clicking in the checked region
* all changes need to flush colormap lookup cache
*/
enum
{
SELECTED,
LAST_SIGNAL
};
#define HAVE_COLORMAP(gimage) \
(gimage != NULL && \
gimp_image_base_type (gimage) == GIMP_INDEXED && \
gimp_image_get_colormap (gimage) != NULL)
static void gimp_colormap_editor_class_init (GimpColormapEditorClass *klass);
static void gimp_colormap_editor_init (GimpColormapEditor *colormap_editor);
static GObject * gimp_colormap_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_colormap_editor_destroy (GtkObject *object);
static void gimp_colormap_editor_unmap (GtkWidget *widget);
static void gimp_colormap_editor_set_image (GimpImageEditor *editor,
GimpImage *gimage);
static void gimp_colormap_editor_draw (GimpColormapEditor *editor);
static void gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
gint col);
static void gimp_colormap_editor_clear (GimpColormapEditor *editor,
gint start_row);
static void gimp_colormap_editor_update_entries (GimpColormapEditor *editor);
static void gimp_colormap_editor_set_index (GimpColormapEditor *editor,
gint i);
static void gimp_colormap_preview_size_allocate (GtkWidget *widget,
GtkAllocation *allocation,
GimpColormapEditor *editor);
static gboolean
gimp_colormap_preview_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpColormapEditor *editor);
static void gimp_colormap_preview_drag_color (GtkWidget *widget,
GimpRGB *color,
gpointer data);
static void gimp_colormap_preview_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data);
static void gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
GimpColormapEditor *editor);
static void gimp_colormap_hex_entry_activate (GtkEntry *entry,
GimpColormapEditor *editor);
static gboolean gimp_colormap_hex_entry_focus_out (GtkEntry *entry,
GdkEvent *event,
GimpColormapEditor *editor);
static void gimp_colormap_image_mode_changed (GimpImage *gimage,
GimpColormapEditor *editor);
static void gimp_colormap_image_colormap_changed (GimpImage *gimage,
gint ncol,
GimpColormapEditor *editor);
static guint editor_signals[LAST_SIGNAL] = { 0 };
static GimpImageEditorClass *parent_class = NULL;
GType
gimp_colormap_editor_get_type (void)
{
static GType type = 0;
if (! type)
{
static const GTypeInfo info =
{
sizeof (GimpColormapEditorClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_colormap_editor_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpColormapEditor),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_colormap_editor_init,
};
type = g_type_register_static (GIMP_TYPE_IMAGE_EDITOR,
"GimpColormapEditor",
&info, 0);
}
return type;
}
static void
gimp_colormap_editor_class_init (GimpColormapEditorClass* klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
editor_signals[SELECTED] =
g_signal_new ("selected",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpColormapEditorClass, selected),
NULL, NULL,
gimp_marshal_VOID__FLAGS,
G_TYPE_NONE, 1,
GDK_TYPE_MODIFIER_TYPE);
object_class->constructor = gimp_colormap_editor_constructor;
gtk_object_class->destroy = gimp_colormap_editor_destroy;
widget_class->unmap = gimp_colormap_editor_unmap;
image_editor_class->set_image = gimp_colormap_editor_set_image;
klass->selected = NULL;
}
static void
gimp_colormap_editor_init (GimpColormapEditor *editor)
{
GtkWidget *frame;
GtkWidget *table;
editor->col_index = 0;
editor->dnd_col_index = 0;
editor->xn = 0;
editor->yn = 0;
editor->cellsize = 0;
/* The palette frame */
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
editor->palette = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_widget_set_size_request (editor->palette, -1, 60);
gtk_preview_set_expand (GTK_PREVIEW (editor->palette), TRUE);
gtk_widget_add_events (editor->palette, GDK_BUTTON_PRESS_MASK);
gtk_container_add (GTK_CONTAINER (frame), editor->palette);
gtk_widget_show (editor->palette);
g_signal_connect_after (editor->palette, "size_allocate",
G_CALLBACK (gimp_colormap_preview_size_allocate),
editor);
g_signal_connect (editor->palette, "button_press_event",
G_CALLBACK (gimp_colormap_preview_button_press),
editor);
gimp_dnd_color_source_add (editor->palette, gimp_colormap_preview_drag_color,
editor);
gimp_dnd_color_dest_add (editor->palette, gimp_colormap_preview_drop_color,
editor);
/* Some helpful hints */
table = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_box_pack_end (GTK_BOX (editor), table, FALSE, FALSE, 0);
gtk_widget_show (table);
editor->index_spinbutton =
gimp_spin_button_new ((GtkObject **) &editor->index_adjustment,
0, 0, 0, 1, 10, 10, 1.0, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Color index:"), 0.0, 0.5,
editor->index_spinbutton, 1, TRUE);
g_signal_connect (editor->index_adjustment, "value_changed",
G_CALLBACK (gimp_colormap_adjustment_changed),
editor);
editor->color_entry = gtk_entry_new ();
gtk_entry_set_width_chars (GTK_ENTRY (editor->color_entry), 8);
gtk_entry_set_max_length (GTK_ENTRY (editor->color_entry), 6);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("HTML notation:"), 0.0, 0.5,
editor->color_entry, 1, TRUE);
g_signal_connect (editor->color_entry, "activate",
G_CALLBACK (gimp_colormap_hex_entry_activate),
editor);
g_signal_connect (editor->color_entry, "focus_out_event",
G_CALLBACK (gimp_colormap_hex_entry_focus_out),
editor);
}
static GObject *
gimp_colormap_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpColormapEditor *editor;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_COLORMAP_EDITOR (object);
editor->edit_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap-editor",
"colormap-editor-edit-color",
NULL);
editor->add_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap-editor",
"colormap-editor-add-color-from-fg",
"colormap-editor-add-color-from-bg",
GDK_CONTROL_MASK,
NULL);
return object;
}
static void
gimp_colormap_editor_destroy (GtkObject *object)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
if (editor->color_dialog)
{
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_colormap_editor_unmap (GtkWidget *widget)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (widget);
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static void
gimp_colormap_editor_set_image (GimpImageEditor *image_editor,
GimpImage *gimage)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (image_editor);
if (image_editor->gimage)
{
g_signal_handlers_disconnect_by_func (image_editor->gimage,
gimp_colormap_image_mode_changed,
editor);
g_signal_handlers_disconnect_by_func (image_editor->gimage,
gimp_colormap_image_colormap_changed,
editor);
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
if (! HAVE_COLORMAP (gimage))
{
editor->index_adjustment->upper = 0;
gtk_adjustment_changed (editor->index_adjustment);
if (GTK_WIDGET_MAPPED (GTK_WIDGET (editor)))
gimp_colormap_editor_clear (editor, -1);
}
}
GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, gimage);
editor->col_index = 0;
editor->dnd_col_index = 0;
if (gimage)
{
g_signal_connect (gimage, "mode_changed",
G_CALLBACK (gimp_colormap_image_mode_changed),
editor);
g_signal_connect (gimage, "colormap_changed",
G_CALLBACK (gimp_colormap_image_colormap_changed),
editor);
if (HAVE_COLORMAP (gimage))
{
gimp_colormap_editor_draw (editor);
editor->index_adjustment->upper =
gimp_image_get_colormap_size (gimage) - 1;
gtk_adjustment_changed (editor->index_adjustment);
}
}
gimp_colormap_editor_update_entries (editor);
}
/* public functions */
GtkWidget *
gimp_colormap_editor_new (GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (GIMP_TYPE_COLORMAP_EDITOR,
"menu-factory", menu_factory,
"menu-identifier", "<ColormapEditor>",
"ui-path", "/colormap-editor-popup",
NULL);
}
void
gimp_colormap_editor_selected (GimpColormapEditor *editor,
GdkModifierType state)
{
g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
g_signal_emit (editor, editor_signals[SELECTED], 0, state);
}
gint
gimp_colormap_editor_col_index (GimpColormapEditor *editor)
{
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), 0);
return editor->col_index;
}
/* private functions */
#define MIN_CELL_SIZE 4
static void
gimp_colormap_editor_draw (GimpColormapEditor *editor)
{
GimpImage *gimage;
gint i, j, k, l, b;
gint col;
guchar *row;
gint cellsize, ncol, xn, yn, width, height;
GtkWidget *palette;
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
palette = editor->palette;
width = palette->allocation.width;
height = palette->allocation.height;
ncol = gimp_image_get_colormap_size (gimage);
if (! ncol)
{
gimp_colormap_editor_clear (editor, -1);
return;
}
cellsize = sqrt (width * height / ncol);
while (cellsize >= MIN_CELL_SIZE
&& (xn = width / cellsize) * (yn = height / cellsize) < ncol)
cellsize--;
if (cellsize < MIN_CELL_SIZE)
{
cellsize = MIN_CELL_SIZE;
xn = yn = ceil (sqrt (ncol));
}
yn = ((ncol + xn - 1) / xn);
/* We used to render just multiples of "cellsize" here, but the
* colormap as dockable looks better if it always fills the
* available allocation->width (which should always be larger than
* "xn * cellsize"). Defensively, we use MAX(width,xn*cellsize)
* below --Mitch
*
width = xn * cellsize;
height = yn * cellsize; */
editor->xn = xn;
editor->yn = yn;
editor->cellsize = cellsize;
row = g_new (guchar, MAX (width, xn * cellsize) * 3);
col = 0;
for (i = 0; i < yn; i++)
{
for (j = 0; j < xn && col < ncol; j++, col++)
{
for (k = 0; k < cellsize; k++)
for (b = 0; b < 3; b++)
row[(j * cellsize + k) * 3 + b] = gimage->cmap[col * 3 + b];
}
for (k = 0; k < cellsize; k++)
{
for (l = j * cellsize; l < width; l++)
for (b = 0; b < 3; b++)
row[l * 3 + b] = (((((i * cellsize + k) & 0x4) ?
(l) :
(l + 0x4)) & 0x4) ?
render_blend_light_check[0] :
render_blend_dark_check[0]);
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row, 0,
i * cellsize + k,
width);
}
}
gimp_colormap_editor_clear (editor, yn * cellsize);
gimp_colormap_editor_draw_cell (editor, editor->col_index);
g_free (row);
gtk_widget_queue_draw (palette);
}
static void
gimp_colormap_editor_draw_cell (GimpColormapEditor *editor,
gint col)
{
GimpImage *gimage;
guchar *row;
gint cellsize, x, y, k;
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
cellsize = editor->cellsize;
row = g_new (guchar, cellsize * 3);
x = (col % editor->xn) * cellsize;
y = (col / editor->xn) * cellsize;
if (col == editor->col_index)
{
for(k = 0; k < cellsize; k++)
row[k*3] = row[k*3+1] = row[k*3+2] = (k & 1) * 255;
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row, x, y, cellsize);
if (!(cellsize & 1))
for (k = 0; k < cellsize; k++)
row[k*3] = row[k*3+1] = row[k*3+2] = ((x+y+1) & 1) * 255;
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
x, y+cellsize-1, cellsize);
row[0]=row[1]=row[2]=255;
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
= 255 * (cellsize & 1);
for (k = 1; k < cellsize - 1; k++)
{
row[k*3] = gimage->cmap[col * 3];
row[k*3+1] = gimage->cmap[col * 3 + 1];
row[k*3+2] = gimage->cmap[col * 3 + 2];
}
for (k = 1; k < cellsize - 1; k+=2)
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
x, y+k, cellsize);
row[0] = row[1] = row[2] = 0;
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
= 255 * ((cellsize+1) & 1);
for (k = 2; k < cellsize - 1; k += 2)
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
x, y+k, cellsize);
}
else
{
for (k = 0; k < cellsize; k++)
{
row[k*3] = gimage->cmap[col * 3];
row[k*3+1] = gimage->cmap[col * 3 + 1];
row[k*3+2] = gimage->cmap[col * 3 + 2];
}
for (k = 0; k < cellsize; k++)
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
x, y+k, cellsize);
}
gtk_widget_queue_draw_area (editor->palette,
x, y,
cellsize, cellsize);
}
static void
gimp_colormap_editor_clear (GimpColormapEditor *editor,
gint start_row)
{
gint i, j;
gint offset;
gint width, height;
guchar *row = NULL;
GtkWidget *palette;
palette = editor->palette;
width = palette->allocation.width;
height = palette->allocation.height;
if (start_row < 0)
start_row = 0;
if (start_row >= height)
return;
if (width > 0)
row = g_new (guchar, width * 3);
if (start_row & 0x3)
{
offset = (start_row & 0x4) ? 0x4 : 0x0;
for (j = 0; j < width; j++)
{
row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] =
((j + offset) & 0x4) ?
render_blend_dark_check[0] : render_blend_light_check[0];
}
for (j = 0; j < (4 - (start_row & 0x3)) && start_row + j < height; j++)
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
0, start_row + j, width);
start_row += (4 - (start_row & 0x3));
}
for (i = start_row; i < height; i += 4)
{
offset = (i & 0x4) ? 0x4 : 0x0;
for (j = 0; j < width; j++)
{
row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] =
((j + offset) & 0x4) ?
render_blend_dark_check[0] : render_blend_light_check[0];
}
for (j = 0; j < 4 && i + j < height; j++)
gtk_preview_draw_row (GTK_PREVIEW (editor->palette), row,
0, i + j, width);
}
if (width > 0)
g_free (row);
gtk_widget_queue_draw (palette);
}
static void
gimp_colormap_editor_update_entries (GimpColormapEditor *editor)
{
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (! HAVE_COLORMAP (gimage))
{
gtk_widget_set_sensitive (editor->index_spinbutton, FALSE);
gtk_widget_set_sensitive (editor->color_entry, FALSE);
gtk_adjustment_set_value (editor->index_adjustment, 0);
gtk_entry_set_text (GTK_ENTRY (editor->color_entry), "");
}
else
{
gchar *string;
guchar *col;
gtk_adjustment_set_value (editor->index_adjustment, editor->col_index);
col = &gimage->cmap[editor->col_index * 3];
string = g_strdup_printf ("%02x%02x%02x", col[0], col[1], col[2]);
gtk_entry_set_text (GTK_ENTRY (editor->color_entry), string);
g_free (string);
gtk_widget_set_sensitive (editor->index_spinbutton, TRUE);
gtk_widget_set_sensitive (editor->color_entry, TRUE);
}
}
static void
gimp_colormap_editor_set_index (GimpColormapEditor *editor,
gint i)
{
if (i != editor->col_index)
{
gint old = editor->col_index;
editor->col_index = i;
editor->dnd_col_index = i;
gimp_colormap_editor_draw_cell (editor, old);
gimp_colormap_editor_draw_cell (editor, i);
gimp_colormap_editor_update_entries (editor);
}
}
static void
gimp_colormap_preview_size_allocate (GtkWidget *widget,
GtkAllocation *alloc,
GimpColormapEditor *editor)
{
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (HAVE_COLORMAP (gimage))
gimp_colormap_editor_draw (editor);
else
gimp_colormap_editor_clear (editor, -1);
}
static gboolean
gimp_colormap_preview_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpColormapEditor *editor)
{
GimpImage *gimage;
guint col;
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (! HAVE_COLORMAP (gimage))
return TRUE;
if (!(bevent->y < editor->cellsize * editor->yn
&& bevent->x < editor->cellsize * editor->xn))
return TRUE;
col = (editor->xn * ((gint) bevent->y / editor->cellsize) +
((gint) bevent->x / editor->cellsize));
if (col >= gimp_image_get_colormap_size (gimage))
return TRUE;
switch (bevent->button)
{
case 1:
gimp_colormap_editor_set_index (editor, col);
gimp_colormap_editor_selected (editor, bevent->state);
if (bevent->type == GDK_2BUTTON_PRESS)
{
GtkAction *action;
action = gimp_ui_manager_find_action (GIMP_EDITOR (editor)->ui_manager,
"colormap-editor",
"colormap-editor-edit-color");
if (action)
gtk_action_activate (action);
}
return TRUE;
case 2:
editor->dnd_col_index = col;
break;
case 3:
gimp_colormap_editor_set_index (editor, col);
gimp_editor_popup_menu (GIMP_EDITOR (editor), NULL, NULL);
return TRUE;
default:
break;
}
return FALSE;
}
static void
gimp_colormap_preview_drag_color (GtkWidget *widget,
GimpRGB *color,
gpointer data)
{
GimpColormapEditor *editor;
GimpImage *gimage;
editor = GIMP_COLORMAP_EDITOR (data);
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (HAVE_COLORMAP (gimage))
gimp_image_get_colormap_entry (gimage, editor->dnd_col_index, color);
}
static void
gimp_colormap_preview_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data)
{
GimpColormapEditor *editor;
GimpImage *gimage;
editor = GIMP_COLORMAP_EDITOR (data);
gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (HAVE_COLORMAP (gimage) && gimp_image_get_colormap_size (gimage) < 256)
{
gimp_image_add_colormap_entry (gimage, color);
}
}
static void
gimp_colormap_adjustment_changed (GtkAdjustment *adjustment,
GimpColormapEditor *editor)
{
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (HAVE_COLORMAP (gimage))
{
gimp_colormap_editor_set_index (editor, adjustment->value + 0.5);
gimp_colormap_editor_update_entries (editor);
}
}
static void
gimp_colormap_hex_entry_activate (GtkEntry *entry,
GimpColormapEditor *editor)
{
GimpImage *gimage = GIMP_IMAGE_EDITOR (editor)->gimage;
if (gimage)
{
const gchar *s;
gulong i;
s = gtk_entry_get_text (entry);
if (sscanf (s, "%lx", &i))
{
GimpRGB color;
guchar r, g, b;
r = (i & 0xFF0000) >> 16;
g = (i & 0x00FF00) >> 8;
b = (i & 0x0000FF);
gimp_rgb_set_uchar (&color, r, g, b);
gimp_image_set_colormap_entry (gimage, editor->col_index, &color,
TRUE);
gimp_image_flush (gimage);
}
}
}
static gboolean
gimp_colormap_hex_entry_focus_out (GtkEntry *entry,
GdkEvent *event,
GimpColormapEditor *editor)
{
gimp_colormap_hex_entry_activate (entry, editor);
return FALSE;
}
static void
gimp_colormap_image_mode_changed (GimpImage *gimage,
GimpColormapEditor *editor)
{
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
gimp_colormap_image_colormap_changed (gimage, -1, editor);
}
static void
gimp_colormap_image_colormap_changed (GimpImage *gimage,
gint ncol,
GimpColormapEditor *editor)
{
if (HAVE_COLORMAP (gimage))
{
if (ncol < 0)
{
gimp_colormap_editor_draw (editor);
}
else
{
gimp_colormap_editor_draw_cell (editor, ncol);
}
if (editor->index_adjustment->upper !=
(gimp_image_get_colormap_size (gimage) - 1))
{
editor->index_adjustment->upper =
gimp_image_get_colormap_size (gimage) - 1;
gtk_adjustment_changed (editor->index_adjustment);
}
}
else
{
gimp_colormap_editor_clear (editor, -1);
}
if (ncol == editor->col_index || ncol == -1)
gimp_colormap_editor_update_entries (editor);
}
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