mirror of https://github.com/GNOME/gimp.git
1140 lines
30 KiB
C
1140 lines
30 KiB
C
/* The GIMP -- an image manipulation program
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "apptypes.h"
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#include "context_manager.h"
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#include "gimage.h"
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#include "gimpcontainer.h"
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#include "gimpcontext.h"
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#include "gimpdatafactory.h"
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#include "gimpgradient.h"
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#include "gimpimage.h"
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#include "gimppalette.h"
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#include "gradient_select.h"
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#include "palette.h"
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#include "palette_import.h"
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#include "paletteP.h"
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#include "pixel_region.h"
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#include "temp_buf.h"
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#include "pdb/procedural_db.h"
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#include "libgimp/gimpintl.h"
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#define IMPORT_PREVIEW_WIDTH 80
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#define IMPORT_PREVIEW_HEIGHT 80
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#define MAX_IMAGE_COLORS (10000 * 2)
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typedef enum
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{
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GRAD_IMPORT = 0,
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IMAGE_IMPORT = 1,
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INDEXED_IMPORT = 2
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} ImportType;
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typedef struct _ImportDialog ImportDialog;
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struct _ImportDialog
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{
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GtkWidget *dialog;
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GtkWidget *preview;
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GtkWidget *entry;
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GtkWidget *select_area;
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GtkWidget *select;
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GtkWidget *image_list;
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GtkWidget *image_menu_item_image;
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GtkWidget *image_menu_item_indexed;
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GtkWidget *image_menu_item_gradient;
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GtkWidget *optionmenu1_menu;
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GtkWidget *type_option;
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GtkWidget *threshold_scale;
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GtkWidget *threshold_text;
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GtkAdjustment *threshold;
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GtkAdjustment *sample;
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ImportType import_type;
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GimpImage *gimage;
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};
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static ImportDialog *import_dialog = NULL;
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/*****************************************************************************/
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/* palette import dialog functions *****************************************/
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/* functions to create & update the import dialog's gradient selection *****/
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static void
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palette_import_select_grad_callback (GtkWidget *widget,
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gpointer data)
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{
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/* Popup grad edit box .... */
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gradient_dialog_create ();
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}
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static void
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palette_import_fill_grad_preview (GtkWidget *preview,
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GimpGradient *gradient)
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{
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guchar buffer[3*IMPORT_PREVIEW_WIDTH];
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gint loop;
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guchar *p = buffer;
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gdouble dx, cur_x;
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GimpRGB color;
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dx = 1.0/ (IMPORT_PREVIEW_WIDTH - 1);
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cur_x = 0;
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for (loop = 0 ; loop < IMPORT_PREVIEW_WIDTH; loop++)
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{
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gimp_gradient_get_color_at (gradient, cur_x, &color);
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*p++ = (guchar) (color.r * 255.999);
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*p++ = (guchar) (color.g * 255.999);
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*p++ = (guchar) (color.b * 255.999);
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cur_x += dx;
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}
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for (loop = 0 ; loop < IMPORT_PREVIEW_HEIGHT; loop++)
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{
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gtk_preview_draw_row (GTK_PREVIEW (preview), buffer, 0, loop,
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IMPORT_PREVIEW_WIDTH);
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}
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gtk_widget_draw (preview, NULL);
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}
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static void
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palette_import_gradient_update (GimpContext *context,
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GimpGradient *gradient,
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gpointer data)
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{
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if (import_dialog && import_dialog->import_type == GRAD_IMPORT)
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{
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/* redraw gradient */
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palette_import_fill_grad_preview (import_dialog->preview, gradient);
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gtk_entry_set_text (GTK_ENTRY (import_dialog->entry),
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GIMP_OBJECT (gradient)->name);
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}
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}
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/* functions to create & update the import dialog's image selection ********/
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static void
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palette_import_gimlist_cb (gpointer im,
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gpointer data)
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{
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GSList **l;
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l = (GSList**) data;
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*l = g_slist_prepend (*l, im);
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}
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static void
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palette_import_gimlist_indexed_cb (gpointer im,
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gpointer data)
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{
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GimpImage *gimage = GIMP_IMAGE (im);
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GSList **l;
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if (gimp_image_base_type (gimage) == INDEXED)
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{
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l = (GSList**) data;
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*l = g_slist_prepend (*l, im);
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}
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}
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static void
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palette_import_update_image_preview (GimpImage *gimage)
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{
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TempBuf *preview_buf;
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gchar *src;
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gchar *buf;
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gint x, y, has_alpha;
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gint sel_width, sel_height;
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gint pwidth, pheight;
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import_dialog->gimage = gimage;
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/* Calculate preview size */
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sel_width = gimage->width;
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sel_height = gimage->height;
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if (sel_width > sel_height)
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{
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pwidth = MIN (sel_width, IMPORT_PREVIEW_WIDTH);
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pheight = sel_height * pwidth / sel_width;
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}
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else
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{
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pheight = MIN (sel_height, IMPORT_PREVIEW_HEIGHT);
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pwidth = sel_width * pheight / sel_height;
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}
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/* Min size is 2 */
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preview_buf = gimp_viewable_get_new_preview (GIMP_VIEWABLE (gimage),
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MAX (pwidth, 2),
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MAX (pheight, 2));
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gtk_preview_size (GTK_PREVIEW (import_dialog->preview),
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preview_buf->width,
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preview_buf->height);
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buf = g_new (gchar, IMPORT_PREVIEW_WIDTH * 3);
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src = (gchar *) temp_buf_data (preview_buf);
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has_alpha = (preview_buf->bytes == 2 || preview_buf->bytes == 4);
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for (y = 0; y <preview_buf->height ; y++)
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{
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if (preview_buf->bytes == (1+has_alpha))
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for (x = 0; x < preview_buf->width; x++)
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{
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buf[x*3+0] = src[x];
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buf[x*3+1] = src[x];
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buf[x*3+2] = src[x];
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}
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else
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for (x = 0; x < preview_buf->width; x++)
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{
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gint stride = 3 + has_alpha;
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buf[x*3+0] = src[x*stride+0];
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buf[x*3+1] = src[x*stride+1];
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buf[x*3+2] = src[x*stride+2];
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}
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gtk_preview_draw_row (GTK_PREVIEW (import_dialog->preview),
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(guchar *)buf, 0, y, preview_buf->width);
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src += preview_buf->width * preview_buf->bytes;
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}
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g_free (buf);
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temp_buf_free (preview_buf);
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gtk_widget_hide (import_dialog->preview);
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gtk_widget_draw (import_dialog->preview, NULL);
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gtk_widget_show (import_dialog->preview);
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}
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static void
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palette_import_image_sel_callback (GtkWidget *widget,
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gpointer data)
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{
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GimpImage *gimage;
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gchar *lab;
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gimage = GIMP_IMAGE (data);
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palette_import_update_image_preview (gimage);
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lab = g_strdup_printf ("%s-%d",
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g_basename (gimp_image_filename (import_dialog->gimage)),
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pdb_image_to_id (import_dialog->gimage));
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gtk_entry_set_text (GTK_ENTRY (import_dialog->entry), lab);
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g_free (lab);
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}
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static void
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palette_import_image_menu_add (GimpImage *gimage)
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{
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GtkWidget *menuitem;
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gchar *lab;
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lab= g_strdup_printf ("%s-%d",
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g_basename (gimp_image_filename (gimage)),
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pdb_image_to_id (gimage));
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menuitem = gtk_menu_item_new_with_label (lab);
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g_free (lab);
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gtk_widget_show (menuitem);
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gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
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GTK_SIGNAL_FUNC (palette_import_image_sel_callback),
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gimage);
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gtk_menu_append (GTK_MENU (import_dialog->optionmenu1_menu), menuitem);
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}
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/* Last Param gives us control over what goes in the menu on a delete oper */
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static void
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palette_import_image_menu_activate (gint redo,
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ImportType type,
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GimpImage *del_image)
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{
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GSList *list = NULL;
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gint num_images;
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GimpImage *last_img = NULL;
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GimpImage *first_img = NULL;
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gint act_num = -1;
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gint count = 0;
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gchar *lab;
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if (! import_dialog)
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return;
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if (import_dialog->import_type == type && !redo)
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return;
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/* Destroy existing widget if necessary */
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if (import_dialog->image_list)
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{
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if (redo) /* Preserve settings in this case */
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last_img = import_dialog->gimage;
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gtk_widget_hide (import_dialog->image_list);
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gtk_widget_destroy (import_dialog->image_list);
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import_dialog->image_list = NULL;
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}
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import_dialog->import_type= type;
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/* Get list of images */
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if (import_dialog->import_type == INDEXED_IMPORT)
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{
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gimp_container_foreach (image_context,
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palette_import_gimlist_indexed_cb,
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&list);
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}
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else
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{
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gimp_container_foreach (image_context,
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palette_import_gimlist_cb,
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&list);
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}
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num_images = g_slist_length (list);
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if (num_images)
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{
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GtkWidget *optionmenu1;
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GtkWidget *optionmenu1_menu;
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gint i;
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import_dialog->image_list = optionmenu1 = gtk_option_menu_new ();
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gtk_widget_set_usize (optionmenu1, IMPORT_PREVIEW_WIDTH, -1);
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import_dialog->optionmenu1_menu = optionmenu1_menu = gtk_menu_new ();
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for (i = 0; i < num_images; i++, list = g_slist_next (list))
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{
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if (GIMP_IMAGE (list->data) != del_image)
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{
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if (first_img == NULL)
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first_img = GIMP_IMAGE (list->data);
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palette_import_image_menu_add (GIMP_IMAGE (list->data));
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if (last_img == GIMP_IMAGE (list->data))
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act_num = count;
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else
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count++;
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}
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}
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gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu1),
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optionmenu1_menu);
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gtk_widget_hide (import_dialog->select);
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gtk_box_pack_start (GTK_BOX (import_dialog->select_area),
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optionmenu1, FALSE, FALSE, 0);
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if(last_img != NULL && last_img != del_image)
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palette_import_update_image_preview (last_img);
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else if (first_img != NULL)
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palette_import_update_image_preview (first_img);
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gtk_widget_show (optionmenu1);
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/* reset to last one */
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if (redo && act_num >= 0)
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{
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gchar *lab;
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lab = g_strdup_printf ("%s-%d",
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g_basename (gimp_image_filename (import_dialog->gimage)),
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pdb_image_to_id (import_dialog->gimage));
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gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu1), act_num);
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gtk_entry_set_text (GTK_ENTRY (import_dialog->entry), lab);
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g_free (lab);
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}
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}
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g_slist_free (list);
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lab = g_strdup_printf ("%s-%d",
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g_basename (gimp_image_filename (import_dialog->gimage)),
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pdb_image_to_id (import_dialog->gimage));
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gtk_entry_set_text (GTK_ENTRY (import_dialog->entry), lab);
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g_free (lab);
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}
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/* the import source menu item callbacks ***********************************/
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static void
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palette_import_grad_callback (GtkWidget *widget,
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gpointer data)
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{
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if (import_dialog)
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{
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GimpGradient *gradient;
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gradient = gimp_context_get_gradient (gimp_context_get_user ());
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import_dialog->import_type = GRAD_IMPORT;
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if (import_dialog->image_list)
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{
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gtk_widget_hide (import_dialog->image_list);
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gtk_widget_destroy (import_dialog->image_list);
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import_dialog->image_list = NULL;
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}
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gtk_widget_show (import_dialog->select);
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palette_import_fill_grad_preview (import_dialog->preview, gradient);
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gtk_entry_set_text (GTK_ENTRY (import_dialog->entry),
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GIMP_OBJECT (gradient)->name);
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gtk_widget_set_sensitive (import_dialog->threshold_scale, FALSE);
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gtk_widget_set_sensitive (import_dialog->threshold_text, FALSE);
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}
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}
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static void
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palette_import_image_callback (GtkWidget *widget,
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gpointer data)
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{
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palette_import_image_menu_activate (FALSE, IMAGE_IMPORT, NULL);
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gtk_widget_set_sensitive (import_dialog->threshold_scale, TRUE);
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gtk_widget_set_sensitive (import_dialog->threshold_text, TRUE);
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}
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static void
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palette_import_indexed_callback (GtkWidget *widget,
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gpointer data)
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{
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palette_import_image_menu_activate (FALSE, INDEXED_IMPORT, NULL);
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gtk_widget_set_sensitive (import_dialog->threshold_scale, FALSE);
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gtk_widget_set_sensitive (import_dialog->threshold_text, FALSE);
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}
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/* functions & callbacks to keep the import dialog uptodate ****************/
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static gint
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palette_import_image_count (ImportType type)
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{
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GSList *list = NULL;
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gint num_images = 0;
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if (type == INDEXED_IMPORT)
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{
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gimp_container_foreach (image_context,
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palette_import_gimlist_indexed_cb,
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&list);
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}
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else
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{
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gimp_container_foreach (image_context,
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palette_import_gimlist_cb,
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&list);
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}
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num_images = g_slist_length (list);
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g_slist_free (list);
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return num_images;
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}
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static void
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palette_import_image_new (GimpContainer *container,
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GimpImage *gimage,
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gpointer data)
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{
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if (! import_dialog)
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return;
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if (! GTK_WIDGET_IS_SENSITIVE (import_dialog->image_menu_item_image))
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{
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gtk_widget_set_sensitive (import_dialog->image_menu_item_image, TRUE);
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return;
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}
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if (! GTK_WIDGET_IS_SENSITIVE (import_dialog->image_menu_item_indexed) &&
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gimp_image_base_type(gimage) == INDEXED)
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{
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gtk_widget_set_sensitive (import_dialog->image_menu_item_indexed, TRUE);
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return;
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}
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/* Now fill in the names if image menu shown */
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if (import_dialog->import_type == IMAGE_IMPORT ||
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import_dialog->import_type == INDEXED_IMPORT)
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{
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palette_import_image_menu_activate (TRUE, import_dialog->import_type,
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NULL);
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}
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}
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static void
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palette_import_image_destroyed (GimpContainer *container,
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GimpImage *gimage,
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gpointer data)
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{
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if (! import_dialog)
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return;
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if (palette_import_image_count (import_dialog->import_type) <= 1)
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{
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/* Back to gradient type */
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gtk_option_menu_set_history (GTK_OPTION_MENU (import_dialog->type_option), 0);
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palette_import_grad_callback (NULL, NULL);
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if (import_dialog->image_menu_item_image)
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gtk_widget_set_sensitive (import_dialog->image_menu_item_image, FALSE);
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return;
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}
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if (import_dialog->import_type == IMAGE_IMPORT ||
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import_dialog->import_type == INDEXED_IMPORT)
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{
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palette_import_image_menu_activate (TRUE, import_dialog->import_type,
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gimage);
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}
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}
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void
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palette_import_image_renamed (GimpImage* gimage)
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{
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/* Now fill in the names if image menu shown */
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if (import_dialog &&
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(import_dialog->import_type == IMAGE_IMPORT ||
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import_dialog->import_type == INDEXED_IMPORT))
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{
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palette_import_image_menu_activate (TRUE, import_dialog->import_type,
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NULL);
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}
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}
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|
|
|
/* create a palette from a gradient ****************************************/
|
|
|
|
static void
|
|
palette_import_create_from_grad (gchar *name)
|
|
{
|
|
GimpPalette *palette;
|
|
GimpGradient *gradient;
|
|
|
|
gradient = gimp_context_get_gradient (gimp_context_get_user ());
|
|
|
|
if (gradient)
|
|
{
|
|
/* Add names to entry */
|
|
gdouble dx, cur_x;
|
|
GimpRGB color;
|
|
gint sample_sz;
|
|
gint loop;
|
|
|
|
palette = GIMP_PALETTE (gimp_palette_new (name));
|
|
|
|
sample_sz = (gint) import_dialog->sample->value;
|
|
|
|
dx = 1.0 / (sample_sz - 1);
|
|
cur_x = 0;
|
|
|
|
for (loop = 0; loop < sample_sz; loop++)
|
|
{
|
|
gimp_gradient_get_color_at (gradient, cur_x, &color);
|
|
|
|
cur_x += dx;
|
|
gimp_palette_add_entry (palette, NULL, &color);
|
|
}
|
|
|
|
gimp_container_add (global_palette_factory->container,
|
|
GIMP_OBJECT (palette));
|
|
}
|
|
}
|
|
|
|
/* create a palette from a non-indexed image *******************************/
|
|
|
|
typedef struct _ImgColors ImgColors;
|
|
|
|
struct _ImgColors
|
|
{
|
|
guint count;
|
|
guint r_adj;
|
|
guint g_adj;
|
|
guint b_adj;
|
|
guchar r;
|
|
guchar g;
|
|
guchar b;
|
|
};
|
|
|
|
static gint count_color_entries = 0;
|
|
|
|
static GHashTable *
|
|
palette_import_store_colors (GHashTable *h_array,
|
|
guchar *colors,
|
|
guchar *colors_real,
|
|
gint sample_sz)
|
|
{
|
|
gpointer found_color = NULL;
|
|
ImgColors *new_color;
|
|
guint key_colors = colors[0] * 256 * 256 + colors[1] * 256 + colors[2];
|
|
|
|
if (h_array == NULL)
|
|
{
|
|
h_array = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
count_color_entries = 0;
|
|
}
|
|
else
|
|
{
|
|
found_color = g_hash_table_lookup (h_array, (gpointer) key_colors);
|
|
}
|
|
|
|
if (found_color == NULL)
|
|
{
|
|
if (count_color_entries > MAX_IMAGE_COLORS)
|
|
{
|
|
/* Don't add any more new ones */
|
|
return h_array;
|
|
}
|
|
|
|
count_color_entries++;
|
|
|
|
new_color = g_new (ImgColors, 1);
|
|
|
|
new_color->count = 1;
|
|
new_color->r_adj = 0;
|
|
new_color->g_adj = 0;
|
|
new_color->b_adj = 0;
|
|
new_color->r = colors[0];
|
|
new_color->g = colors[1];
|
|
new_color->b = colors[2];
|
|
|
|
g_hash_table_insert (h_array, (gpointer) key_colors, new_color);
|
|
}
|
|
else
|
|
{
|
|
new_color = (ImgColors *) found_color;
|
|
if(new_color->count < (G_MAXINT - 1))
|
|
new_color->count++;
|
|
|
|
/* Now do the adjustments ...*/
|
|
new_color->r_adj += (colors_real[0] - colors[0]);
|
|
new_color->g_adj += (colors_real[1] - colors[1]);
|
|
new_color->b_adj += (colors_real[2] - colors[2]);
|
|
|
|
/* Boundary conditions */
|
|
if(new_color->r_adj > (G_MAXINT - 255))
|
|
new_color->r_adj /= new_color->count;
|
|
|
|
if(new_color->g_adj > (G_MAXINT - 255))
|
|
new_color->g_adj /= new_color->count;
|
|
|
|
if(new_color->b_adj > (G_MAXINT - 255))
|
|
new_color->b_adj /= new_color->count;
|
|
}
|
|
|
|
return h_array;
|
|
}
|
|
|
|
static void
|
|
palette_import_create_sorted_list (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
GSList **sorted_list = (GSList**) user_data;
|
|
ImgColors *color_tab = (ImgColors *) value;
|
|
|
|
*sorted_list = g_slist_prepend (*sorted_list, color_tab);
|
|
}
|
|
|
|
static gint
|
|
palette_import_sort_colors (gconstpointer a,
|
|
gconstpointer b)
|
|
{
|
|
ImgColors *s1 = (ImgColors *) a;
|
|
ImgColors *s2 = (ImgColors *) b;
|
|
|
|
if(s1->count > s2->count)
|
|
return -1;
|
|
if(s1->count < s2->count)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
palette_import_create_image_palette (gpointer data,
|
|
gpointer user_data)
|
|
{
|
|
GimpPalette *palette;
|
|
ImgColors *color_tab;
|
|
gint sample_sz;
|
|
gchar *lab;
|
|
GimpRGB color;
|
|
|
|
palette = (GimpPalette *) user_data;
|
|
color_tab = (ImgColors *) data;
|
|
|
|
sample_sz = (gint) import_dialog->sample->value;
|
|
|
|
if (palette->n_colors >= sample_sz)
|
|
return;
|
|
|
|
lab = g_strdup_printf ("%s (occurs %u)", _("Untitled"), color_tab->count);
|
|
|
|
/* Adjust the colors to the mean of the the sample */
|
|
gimp_rgba_set_uchar
|
|
(&color,
|
|
(guchar) color_tab->r + (color_tab->r_adj / color_tab->count),
|
|
(guchar) color_tab->g + (color_tab->g_adj / color_tab->count),
|
|
(guchar) color_tab->b + (color_tab->b_adj / color_tab->count),
|
|
255);
|
|
|
|
gimp_palette_add_entry (palette, lab, &color);
|
|
|
|
g_free (lab);
|
|
}
|
|
|
|
static gboolean
|
|
palette_import_color_print_remove (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
g_free (value);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
palette_import_image_make_palette (GHashTable *h_array,
|
|
guchar *name)
|
|
{
|
|
GimpPalette *palette;
|
|
GSList *sorted_list = NULL;
|
|
|
|
g_hash_table_foreach (h_array, palette_import_create_sorted_list,
|
|
&sorted_list);
|
|
sorted_list = g_slist_sort (sorted_list, palette_import_sort_colors);
|
|
|
|
palette = GIMP_PALETTE (gimp_palette_new (name));
|
|
|
|
g_slist_foreach (sorted_list, palette_import_create_image_palette, palette);
|
|
|
|
/* Free up used memory
|
|
* Note the same structure is on both the hash list and the sorted
|
|
* list. So only delete it once.
|
|
*/
|
|
g_hash_table_freeze (h_array);
|
|
g_hash_table_foreach_remove (h_array,
|
|
palette_import_color_print_remove, NULL);
|
|
g_hash_table_thaw (h_array);
|
|
g_hash_table_destroy (h_array);
|
|
g_slist_free (sorted_list);
|
|
|
|
gimp_container_add (global_palette_factory->container, GIMP_OBJECT (palette));
|
|
}
|
|
|
|
static void
|
|
palette_import_create_from_image (GImage *gimage,
|
|
gchar *pname)
|
|
{
|
|
PixelRegion imagePR;
|
|
guchar *image_data;
|
|
guchar *idata;
|
|
guchar rgb[MAX_CHANNELS];
|
|
guchar rgb_real[MAX_CHANNELS];
|
|
gint has_alpha, indexed;
|
|
gint width, height;
|
|
gint bytes, alpha;
|
|
gint i, j;
|
|
void *pr;
|
|
gint d_type;
|
|
GHashTable *store_array = NULL;
|
|
gint sample_sz;
|
|
gint threshold = 1;
|
|
|
|
sample_sz = (gint) import_dialog->sample->value;
|
|
|
|
if (gimage == NULL)
|
|
return;
|
|
|
|
/* Get the image information */
|
|
bytes = gimp_image_composite_bytes (gimage);
|
|
d_type = gimp_image_composite_type (gimage);
|
|
has_alpha = (d_type == RGBA_GIMAGE ||
|
|
d_type == GRAYA_GIMAGE ||
|
|
d_type == INDEXEDA_GIMAGE);
|
|
indexed = d_type == INDEXEDA_GIMAGE || d_type == INDEXED_GIMAGE;
|
|
width = gimage->width;
|
|
height = gimage->height;
|
|
pixel_region_init (&imagePR, gimp_image_composite (gimage), 0, 0,
|
|
width, height, FALSE);
|
|
|
|
alpha = bytes - 1;
|
|
|
|
threshold = (gint) import_dialog->threshold->value;
|
|
|
|
if(threshold < 1)
|
|
threshold = 1;
|
|
|
|
/* iterate over the entire image */
|
|
for (pr = pixel_regions_register (1, &imagePR);
|
|
pr != NULL;
|
|
pr = pixel_regions_process (pr))
|
|
{
|
|
image_data = imagePR.data;
|
|
|
|
for (i = 0; i < imagePR.h; i++)
|
|
{
|
|
idata = image_data;
|
|
|
|
for (j = 0; j < imagePR.w; j++)
|
|
{
|
|
/* Get the rgb values for the color */
|
|
gimp_image_get_color (gimage, d_type, rgb, idata);
|
|
memcpy (rgb_real, rgb, MAX_CHANNELS); /* Structure copy */
|
|
|
|
rgb[0] = (rgb[0] / threshold) * threshold;
|
|
rgb[1] = (rgb[1] / threshold) * threshold;
|
|
rgb[2] = (rgb[2] / threshold) * threshold;
|
|
|
|
store_array =
|
|
palette_import_store_colors (store_array, rgb, rgb_real,
|
|
sample_sz);
|
|
|
|
idata += bytes;
|
|
}
|
|
|
|
image_data += imagePR.rowstride;
|
|
}
|
|
}
|
|
|
|
/* Make palette from the store_array */
|
|
palette_import_image_make_palette (store_array, pname);
|
|
}
|
|
|
|
/* create a palette from an indexed image **********************************/
|
|
|
|
static void
|
|
palette_import_create_from_indexed (GImage *gimage,
|
|
gchar *pname)
|
|
{
|
|
GimpPalette *palette;
|
|
gint samples;
|
|
gint count;
|
|
GimpRGB color;
|
|
|
|
samples = (gint) import_dialog->sample->value;
|
|
|
|
if (gimage == NULL)
|
|
return;
|
|
|
|
if (gimp_image_base_type (gimage) != INDEXED)
|
|
return;
|
|
|
|
palette = GIMP_PALETTE (gimp_palette_new (pname));
|
|
|
|
for (count= 0; count < samples && count < gimage->num_cols; ++count)
|
|
{
|
|
gimp_rgba_set_uchar (&color,
|
|
gimage->cmap[count*3],
|
|
gimage->cmap[count*3+1],
|
|
gimage->cmap[count*3+2],
|
|
255);
|
|
|
|
gimp_palette_add_entry (palette, NULL, &color);
|
|
}
|
|
|
|
gimp_container_add (global_palette_factory->container, GIMP_OBJECT (palette));
|
|
}
|
|
|
|
/* the palette import action area callbacks ********************************/
|
|
|
|
static void
|
|
palette_import_close_callback (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
gtk_widget_destroy (import_dialog->dialog);
|
|
g_free (import_dialog);
|
|
import_dialog = NULL;
|
|
}
|
|
|
|
static void
|
|
palette_import_import_callback (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
gchar *pname;
|
|
|
|
if (! import_dialog)
|
|
return;
|
|
|
|
pname = gtk_entry_get_text (GTK_ENTRY (import_dialog->entry));
|
|
if (!pname || !strlen (pname))
|
|
pname = g_strdup ("tmp");
|
|
else
|
|
pname = g_strdup (pname);
|
|
|
|
switch (import_dialog->import_type)
|
|
{
|
|
case GRAD_IMPORT:
|
|
palette_import_create_from_grad (pname);
|
|
break;
|
|
case IMAGE_IMPORT:
|
|
palette_import_create_from_image (import_dialog->gimage, pname);
|
|
break;
|
|
case INDEXED_IMPORT:
|
|
palette_import_create_from_indexed (import_dialog->gimage, pname);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
palette_import_close_callback (NULL, NULL);
|
|
}
|
|
|
|
/* the palette import dialog constructor ***********************************/
|
|
|
|
static ImportDialog *
|
|
palette_import_dialog_new (void)
|
|
{
|
|
GtkWidget *dialog;
|
|
GtkWidget *hbox;
|
|
GtkWidget *frame;
|
|
GtkWidget *vbox;
|
|
GtkWidget *table;
|
|
GtkWidget *label;
|
|
GtkWidget *spinbutton;
|
|
GtkWidget *button;
|
|
GtkWidget *entry;
|
|
GtkWidget *optionmenu;
|
|
GtkWidget *optionmenu_menu;
|
|
GtkWidget *menuitem;
|
|
GtkWidget *image;
|
|
GtkWidget *hscale;
|
|
|
|
import_dialog = g_new (ImportDialog, 1);
|
|
import_dialog->image_list = NULL;
|
|
import_dialog->gimage = NULL;
|
|
|
|
import_dialog->dialog = dialog =
|
|
gimp_dialog_new (_("Import Palette"), "import_palette",
|
|
gimp_standard_help_func,
|
|
"dialogs/palette_editor/import_palette.html",
|
|
GTK_WIN_POS_NONE,
|
|
FALSE, TRUE, FALSE,
|
|
|
|
_("Import"), palette_import_import_callback,
|
|
import_dialog, NULL, NULL, FALSE, FALSE,
|
|
_("Close"), palette_import_close_callback,
|
|
import_dialog, NULL, NULL, TRUE, TRUE,
|
|
|
|
NULL);
|
|
|
|
/* The main hbox */
|
|
hbox = gtk_hbox_new (FALSE, 4);
|
|
gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
|
|
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), hbox);
|
|
gtk_widget_show (hbox);
|
|
|
|
/* The "Import" frame */
|
|
frame = gtk_frame_new (_("Import"));
|
|
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
vbox = gtk_vbox_new (FALSE, 2);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
|
|
gtk_container_add (GTK_CONTAINER (frame), vbox);
|
|
gtk_widget_show (vbox);
|
|
|
|
table = gtk_table_new (4, 2, FALSE);
|
|
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
|
|
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
|
|
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
|
|
gtk_widget_show (table);
|
|
|
|
/* The source's name */
|
|
label = gtk_label_new (_("Name:"));
|
|
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, 0, 0);
|
|
gtk_widget_show (label);
|
|
|
|
entry = import_dialog->entry = gtk_entry_new ();
|
|
gtk_table_attach_defaults (GTK_TABLE (table), entry, 1, 2, 0, 1);
|
|
{
|
|
GimpGradient* gradient;
|
|
|
|
gradient = gimp_context_get_gradient (gimp_context_get_current ());
|
|
gtk_entry_set_text (GTK_ENTRY (entry),
|
|
gradient ? GIMP_OBJECT (gradient)->name : _("new_import"));
|
|
}
|
|
gtk_widget_show (entry);
|
|
|
|
/* The source type */
|
|
label = gtk_label_new (_("Source:"));
|
|
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, 0, 0);
|
|
gtk_widget_show (label);
|
|
|
|
optionmenu = import_dialog->type_option = gtk_option_menu_new ();
|
|
optionmenu_menu = gtk_menu_new ();
|
|
gtk_table_attach_defaults (GTK_TABLE (table), optionmenu, 1, 2, 1, 2);
|
|
menuitem = import_dialog->image_menu_item_gradient =
|
|
gtk_menu_item_new_with_label (_("Gradient"));
|
|
gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
|
|
GTK_SIGNAL_FUNC (palette_import_grad_callback),
|
|
NULL);
|
|
gtk_menu_append (GTK_MENU (optionmenu_menu), menuitem);
|
|
gtk_widget_show (menuitem);
|
|
|
|
menuitem = import_dialog->image_menu_item_image =
|
|
gtk_menu_item_new_with_label (_("Image"));
|
|
gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
|
|
GTK_SIGNAL_FUNC (palette_import_image_callback),
|
|
import_dialog);
|
|
gtk_menu_append (GTK_MENU (optionmenu_menu), menuitem);
|
|
gtk_widget_show (menuitem);
|
|
gtk_widget_set_sensitive (menuitem,
|
|
palette_import_image_count (IMAGE_IMPORT) > 0);
|
|
|
|
menuitem = import_dialog->image_menu_item_indexed =
|
|
gtk_menu_item_new_with_label (_("Indexed Palette"));
|
|
gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
|
|
GTK_SIGNAL_FUNC (palette_import_indexed_callback),
|
|
import_dialog);
|
|
gtk_menu_append (GTK_MENU (optionmenu_menu), menuitem);
|
|
gtk_widget_show (menuitem);
|
|
gtk_widget_set_sensitive (menuitem,
|
|
palette_import_image_count (INDEXED_IMPORT) > 0);
|
|
|
|
gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu), optionmenu_menu);
|
|
gtk_widget_show (optionmenu);
|
|
|
|
/* The sample size */
|
|
label = gtk_label_new (_("Sample Size:"));
|
|
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, 0, 0);
|
|
gtk_widget_show (label);
|
|
|
|
import_dialog->sample =
|
|
GTK_ADJUSTMENT(gtk_adjustment_new (256, 2, 10000, 1, 10, 10));
|
|
spinbutton = gtk_spin_button_new (import_dialog->sample, 1, 0);
|
|
gtk_table_attach_defaults (GTK_TABLE (table), spinbutton, 1, 2, 2, 3);
|
|
gtk_widget_show (spinbutton);
|
|
|
|
/* The interval */
|
|
label = import_dialog->threshold_text = gtk_label_new (_("Interval:"));
|
|
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
|
|
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
|
|
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
|
|
gtk_widget_set_sensitive(label, FALSE);
|
|
gtk_widget_show (label);
|
|
|
|
import_dialog->threshold =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (1, 1, 128, 1, 1, 1));
|
|
hscale = import_dialog->threshold_scale =
|
|
gtk_hscale_new (import_dialog->threshold);
|
|
gtk_scale_set_value_pos (GTK_SCALE (hscale), GTK_POS_TOP);
|
|
gtk_scale_set_digits (GTK_SCALE (hscale), 0);
|
|
gtk_table_attach_defaults (GTK_TABLE (table), hscale, 1, 2, 3, 4);
|
|
gtk_widget_set_sensitive (hscale, FALSE);
|
|
gtk_widget_show (hscale);
|
|
|
|
/* The preview frame */
|
|
frame = gtk_frame_new (_("Preview"));
|
|
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
vbox = import_dialog->select_area = gtk_vbox_new (FALSE, 2);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
|
|
gtk_container_add (GTK_CONTAINER (frame), vbox);
|
|
gtk_widget_show (vbox);
|
|
|
|
image = import_dialog->preview = gtk_preview_new (GTK_PREVIEW_COLOR);
|
|
gtk_preview_set_dither (GTK_PREVIEW (image), GDK_RGB_DITHER_MAX);
|
|
gtk_preview_size (GTK_PREVIEW (image),
|
|
IMPORT_PREVIEW_WIDTH, IMPORT_PREVIEW_HEIGHT);
|
|
gtk_widget_set_usize (image, IMPORT_PREVIEW_WIDTH, IMPORT_PREVIEW_HEIGHT);
|
|
gtk_box_pack_start (GTK_BOX (vbox), image, FALSE, FALSE, 0);
|
|
gtk_widget_show (image);
|
|
|
|
button = import_dialog->select = gtk_button_new_with_label (_("Select"));
|
|
GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
|
|
gtk_signal_connect (GTK_OBJECT (button), "clicked",
|
|
GTK_SIGNAL_FUNC (palette_import_select_grad_callback),
|
|
image);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
gtk_widget_show (button);
|
|
|
|
/* Fill with the selected gradient */
|
|
palette_import_fill_grad_preview
|
|
(image, gimp_context_get_gradient (gimp_context_get_user ()));
|
|
import_dialog->import_type = GRAD_IMPORT;
|
|
gtk_signal_connect (GTK_OBJECT (gimp_context_get_user ()), "gradient_changed",
|
|
GTK_SIGNAL_FUNC (palette_import_gradient_update),
|
|
NULL);
|
|
|
|
/* keep the dialog up-to-date */
|
|
gtk_signal_connect (GTK_OBJECT (image_context), "add",
|
|
GTK_SIGNAL_FUNC (palette_import_image_new),
|
|
NULL);
|
|
gtk_signal_connect (GTK_OBJECT (image_context), "remove",
|
|
GTK_SIGNAL_FUNC (palette_import_image_destroyed),
|
|
NULL);
|
|
|
|
return import_dialog;
|
|
}
|
|
|
|
void
|
|
palette_import_dialog_show (void)
|
|
{
|
|
if (! import_dialog)
|
|
palette_import_dialog_new ();
|
|
|
|
if (! GTK_WIDGET_VISIBLE (import_dialog->dialog))
|
|
{
|
|
gtk_widget_show (import_dialog->dialog);
|
|
}
|
|
else if (import_dialog->dialog->window)
|
|
{
|
|
gdk_window_raise (import_dialog->dialog->window);
|
|
}
|
|
}
|
|
|
|
void
|
|
palette_import_dialog_destroy (void)
|
|
{
|
|
if (import_dialog)
|
|
{
|
|
gtk_widget_destroy (import_dialog->dialog);
|
|
g_free (import_dialog);
|
|
import_dialog = NULL;
|
|
}
|
|
}
|