mirror of https://github.com/GNOME/gimp.git
1296 lines
42 KiB
C
1296 lines
42 KiB
C
/* vpropagate.c -- This is a plug-in for GIMP (1.0's API)
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* Author: Shuji Narazaki <narazaki@InetQ.or.jp>
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* Time-stamp: <2000-01-09 15:50:46 yasuhiro>
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* Version: 0.89a
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*
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* Copyright (C) 1996-1997 Shuji Narazaki <narazaki@InetQ.or.jp>
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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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/* memo
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the initial value of each pixel is the value of the pixel itself.
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To determine whether it is an isolated local peak point, use:
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(self == min && (! modified_flag)) ; modified_flag holds history of update
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In other word, pixel itself is not a neighbor of it.
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*/
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/*
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in response to bug #156545, after lengthy discussion, the meanings
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of "dilate" and "erode" are being swapped -- 19 May 2006.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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#include "libgimp/stdplugins-intl.h"
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#define VPROPAGATE_PROC "plug-in-vpropagate"
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#define ERODE_PROC "plug-in-erode"
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#define DILATE_PROC "plug-in-dilate"
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#define PLUG_IN_BINARY "value-propagate"
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#define PLUG_IN_IMAGE_TYPES "RGB*, GRAY*"
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#define VP_RGB (1 << 0)
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#define VP_GRAY (1 << 1)
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#define VP_WITH_ALPHA (1 << 2)
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#define VP_WO_ALPHA (1 << 3)
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#define num_direction 4
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#define Right2Left 0
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#define Bottom2Top 1
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#define Left2Right 2
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#define Top2Bottom 3
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static GimpPDBStatusType value_propagate (GimpDrawable *drawable);
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static void value_propagate_body (GimpDrawable *drawable,
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GimpPreview *preview);
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static gboolean vpropagate_dialog (GimpDrawable *drawable);
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static void prepare_row (GimpPixelRgn *pixel_rgn,
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guchar *data,
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gint x,
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gint y,
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gint w);
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static void vpropagate_toggle_button_update (GtkWidget *widget,
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gpointer data);
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static GtkWidget * gtk_table_add_toggle (GtkWidget *table,
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const gchar *name,
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gint x1,
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gint x2,
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gint y,
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GCallback update,
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gint *value);
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static int value_difference_check (guchar *, guchar *, int);
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static void set_value (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void initialize_white (GimpImageBaseType,
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int, guchar *, guchar *,
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void **);
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static void propagate_white (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void initialize_black (GimpImageBaseType,
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int, guchar *, guchar *,
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void **);
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static void propagate_black (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void initialize_middle (GimpImageBaseType,
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int, guchar *, guchar *,
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void **);
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static void propagate_middle (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void set_middle_to_peak (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void set_foreground_to_peak (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void initialize_foreground (GimpImageBaseType,
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int, guchar *, guchar *,
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void **);
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static void initialize_background (GimpImageBaseType,
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int, guchar *, guchar *,
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void **);
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static void propagate_a_color (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void propagate_opaque (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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static void propagate_transparent (GimpImageBaseType,
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int, guchar *, guchar *, guchar *,
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void *);
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const GimpPlugInInfo PLUG_IN_INFO =
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{
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NULL, /* init_proc */
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NULL, /* quit_proc */
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query, /* query_proc */
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run, /* run_proc */
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};
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#define SCALE_WIDTH 100
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#define PROPAGATING_VALUE (1 << 0)
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#define PROPAGATING_ALPHA (1 << 1)
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/* parameters */
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typedef struct
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{
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gint propagate_mode;
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gint propagating_channel;
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gdouble propagating_rate;
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gint direction_mask;
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gint lower_limit;
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gint upper_limit;
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} VPValueType;
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static VPValueType vpvals =
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{
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0, /* propagate_mode */
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3, /* PROPAGATING_VALUE + PROPAGATING_ALPHA */
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1.0, /* [0.0:1.0] */
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15, /* propagate to all 4 directions */
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0, /* lower_limit */
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255 /* upper_limit */
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};
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/* dialog variables */
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static gint propagate_alpha;
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static gint propagate_value;
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static gint direction_mask_vec[4];
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static gint channel_mask[] = { 1, 1, 1 };
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static gint peak_max = 1;
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static gint peak_min = 1;
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static gint peak_includes_equals = 1;
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static guchar fore[3];
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static GtkWidget *preview;
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typedef struct
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{
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gint applicable_image_type;
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gchar *name;
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void (*initializer) (GimpImageBaseType, gint, guchar *, guchar *, gpointer *);
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void (*updater) (GimpImageBaseType, gint, guchar *, guchar *, guchar *, gpointer);
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void (*finalizer) (GimpImageBaseType, gint, guchar *, guchar *, guchar *, gpointer);
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} ModeParam;
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#define num_mode 8
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static ModeParam modes[num_mode] =
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{
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("More _white (larger value)"),
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initialize_white, propagate_white, set_value },
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("More blac_k (smaller value)"),
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initialize_black, propagate_black, set_value },
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("_Middle value to peaks"),
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initialize_middle, propagate_middle, set_middle_to_peak },
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("_Foreground to peaks"),
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initialize_middle, propagate_middle, set_foreground_to_peak },
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{ VP_RGB | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("O_nly foreground"),
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initialize_foreground, propagate_a_color, set_value },
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{ VP_RGB | VP_WITH_ALPHA | VP_WO_ALPHA,
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N_("Only b_ackground"),
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initialize_background, propagate_a_color, set_value },
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA,
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N_("Mor_e opaque"),
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NULL, propagate_opaque, set_value },
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{ VP_RGB | VP_GRAY | VP_WITH_ALPHA,
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N_("More t_ransparent"),
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NULL, propagate_transparent, set_value },
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};
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MAIN ()
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static void
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query (void)
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{
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static const GimpParamDef args[] =
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{
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{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" },
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{ GIMP_PDB_IMAGE, "image", "Input image (not used)" },
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{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" },
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{ GIMP_PDB_INT32, "propagate-mode", "propagate 0:white, 1:black, 2:middle value 3:foreground to peak, 4:foreground, 5:background, 6:opaque, 7:transparent" },
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{ GIMP_PDB_INT32, "propagating-channel", "channels which values are propagated" },
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{ GIMP_PDB_FLOAT, "propagating-rate", "0.0 <= propagatating_rate <= 1.0" },
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{ GIMP_PDB_INT32, "direction-mask", "0 <= direction-mask <= 15" },
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{ GIMP_PDB_INT32, "lower-limit", "0 <= lower-limit <= 255" },
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{ GIMP_PDB_INT32, "upper-limit", "0 <= upper-limit <= 255" }
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};
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gimp_install_procedure (VPROPAGATE_PROC,
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N_("Propagate certain colors to neighboring pixels"),
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"Propagate values of the layer",
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"Shuji Narazaki (narazaki@InetQ.or.jp)",
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"Shuji Narazaki",
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"1996-1997",
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N_("_Value Propagate..."),
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PLUG_IN_IMAGE_TYPES,
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_install_procedure (ERODE_PROC,
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N_("Shrink lighter areas of the image"),
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"Erode image",
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"Shuji Narazaki (narazaki@InetQ.or.jp)",
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"Shuji Narazaki",
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"1996-1997",
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N_("E_rode"),
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PLUG_IN_IMAGE_TYPES,
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_install_procedure (DILATE_PROC,
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N_("Grow lighter areas of the image"),
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"Dilate image",
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"Shuji Narazaki (narazaki@InetQ.or.jp)",
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"Shuji Narazaki",
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"1996-1997",
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N_("_Dilate"),
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PLUG_IN_IMAGE_TYPES,
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_plugin_menu_register (VPROPAGATE_PROC, "<Image>/Filters/Distorts");
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gimp_plugin_menu_register (ERODE_PROC, "<Image>/Filters/Generic");
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gimp_plugin_menu_register (DILATE_PROC, "<Image>/Filters/Generic");
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}
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static void
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run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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{
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static GimpParam values[1];
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GimpRunMode run_mode;
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GimpDrawable *drawable;
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run_mode = param[0].data.d_int32;
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drawable = gimp_drawable_get (param[2].data.d_int32);
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INIT_I18N ();
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = status;
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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if (strcmp (name, VPROPAGATE_PROC) == 0)
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{
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gimp_get_data (VPROPAGATE_PROC, &vpvals);
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/* building the values of dialog variables from vpvals. */
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propagate_alpha =
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(vpvals.propagating_channel & PROPAGATING_ALPHA) ? TRUE : FALSE;
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propagate_value =
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(vpvals.propagating_channel & PROPAGATING_VALUE) ? TRUE : FALSE;
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{
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gint i;
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for (i = 0; i < 4; i++)
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direction_mask_vec[i] =
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(vpvals.direction_mask & (1 << i)) ? TRUE : FALSE;
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}
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if (! vpropagate_dialog (drawable))
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return;
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}
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else if (strcmp (name, ERODE_PROC) == 0 ||
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strcmp (name, DILATE_PROC) == 0)
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{
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vpvals.propagating_channel = PROPAGATING_VALUE;
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vpvals.propagating_rate = 1.0;
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vpvals.direction_mask = 15;
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vpvals.lower_limit = 0;
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vpvals.upper_limit = 255;
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if (strcmp (name, ERODE_PROC) == 0)
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vpvals.propagate_mode = 1;
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else if (strcmp (name, DILATE_PROC) == 0)
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vpvals.propagate_mode = 0;
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}
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break;
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case GIMP_RUN_NONINTERACTIVE:
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if (strcmp (name, VPROPAGATE_PROC) == 0)
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{
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vpvals.propagate_mode = param[3].data.d_int32;
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vpvals.propagating_channel = param[4].data.d_int32;
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vpvals.propagating_rate = param[5].data.d_float;
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vpvals.direction_mask = param[6].data.d_int32;
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vpvals.lower_limit = param[7].data.d_int32;
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vpvals.upper_limit = param[8].data.d_int32;
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}
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else if (strcmp (name, ERODE_PROC) == 0 ||
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strcmp (name, DILATE_PROC) == 0)
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{
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vpvals.propagating_channel = PROPAGATING_VALUE;
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vpvals.propagating_rate = 1.0;
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vpvals.direction_mask = 15;
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vpvals.lower_limit = 0;
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vpvals.upper_limit = 255;
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if (strcmp (name, ERODE_PROC) == 0)
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vpvals.propagate_mode = 1;
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else if (strcmp (name, DILATE_PROC) == 0)
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vpvals.propagate_mode = 0;
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}
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break;
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case GIMP_RUN_WITH_LAST_VALS:
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gimp_get_data (name, &vpvals);
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break;
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}
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status = value_propagate (drawable);
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if (status == GIMP_PDB_SUCCESS)
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{
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if (run_mode != GIMP_RUN_NONINTERACTIVE)
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gimp_displays_flush ();
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if (run_mode == GIMP_RUN_INTERACTIVE)
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gimp_set_data (name, &vpvals, sizeof (VPValueType));
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}
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = status;
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}
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/* registered function entry */
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static GimpPDBStatusType
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value_propagate (GimpDrawable *drawable)
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{
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/* check the validness of parameters */
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if (!(vpvals.propagating_channel & (PROPAGATING_VALUE | PROPAGATING_ALPHA)))
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{
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/* gimp_message ("No channel selected."); */
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return GIMP_PDB_EXECUTION_ERROR;
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}
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if (vpvals.direction_mask == 0)
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{
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/* gimp_message ("No direction selected."); */
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return GIMP_PDB_EXECUTION_ERROR;
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}
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if ((vpvals.lower_limit < 0) || (255 < vpvals.lower_limit) ||
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(vpvals.upper_limit < 0) || (255 < vpvals.lower_limit) ||
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(vpvals.upper_limit < vpvals.lower_limit))
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{
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/* gimp_message ("Limit values are not valid."); */
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return GIMP_PDB_EXECUTION_ERROR;
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}
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value_propagate_body (drawable, NULL);
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return GIMP_PDB_SUCCESS;
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}
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static void
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value_propagate_body (GimpDrawable *drawable,
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GimpPreview *preview)
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{
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GimpImageBaseType dtype;
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ModeParam operation;
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GimpPixelRgn srcRgn, destRgn;
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guchar *here, *best, *dest;
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guchar *dest_row, *prev_row, *cur_row, *next_row;
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guchar *pr, *cr, *nr, *swap;
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gint width, height, bytes, index;
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gint begx, begy, endx, endy, x, y, dx;
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gint left_index, right_index, up_index, down_index;
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gpointer tmp;
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GimpRGB foreground;
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/* calculate neighbors' indexes */
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left_index = (vpvals.direction_mask & (1 << Left2Right)) ? -1 : 0;
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right_index = (vpvals.direction_mask & (1 << Right2Left)) ? 1 : 0;
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up_index = (vpvals.direction_mask & (1 << Top2Bottom)) ? -1 : 0;
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down_index = (vpvals.direction_mask & (1 << Bottom2Top)) ? 1 : 0;
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operation = modes[vpvals.propagate_mode];
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tmp = NULL;
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dtype = gimp_drawable_type (drawable->drawable_id);
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bytes = drawable->bpp;
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/* Here I use the algorithm of blur.c . */
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if (preview)
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{
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gimp_preview_get_position (preview, &begx, &begy);
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gimp_preview_get_size (preview, &width, &height);
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endx = begx + width;
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endy = begy + height;
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}
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else
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{
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gimp_drawable_mask_bounds (drawable->drawable_id,
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&begx, &begy, &endx, &endy);
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width = endx - begx;
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height = endy - begy;
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}
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gimp_tile_cache_ntiles (2 * ((width) / gimp_tile_width () + 1));
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prev_row = g_new (guchar, (width + 2) * bytes);
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cur_row = g_new (guchar, (width + 2) * bytes);
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next_row = g_new (guchar, (width + 2) * bytes);
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dest_row = g_new (guchar, width * bytes);
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gimp_pixel_rgn_init (&srcRgn, drawable,
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begx, begy, width, height,
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FALSE, FALSE);
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gimp_pixel_rgn_init (&destRgn, drawable,
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begx, begy, width, height,
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(preview == NULL), TRUE);
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pr = prev_row + bytes;
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cr = cur_row + bytes;
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nr = next_row + bytes;
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prepare_row (&srcRgn, pr, begx, (0 < begy) ? begy : begy - 1, endx-begx);
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prepare_row (&srcRgn, cr, begx, begy, endx-begx);
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best = g_new (guchar, bytes);
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if (!preview)
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gimp_progress_init (_("Value Propagate"));
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gimp_context_get_foreground (&foreground);
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gimp_rgb_get_uchar (&foreground, fore+0, fore+1, fore+2);
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/* start real job */
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for (y = begy ; y < endy ; y++)
|
|
{
|
|
prepare_row (&srcRgn, nr, begx, ((y+1) < endy) ? y+1 : endy, endx-begx);
|
|
|
|
for (index = 0; index < (endx - begx) * bytes; index++)
|
|
dest_row[index] = cr[index];
|
|
|
|
for (x = 0 ; x < endx - begx; x++)
|
|
{
|
|
dest = dest_row + (x * bytes);
|
|
here = cr + (x * bytes);
|
|
|
|
/* *** copy source value to best value holder *** */
|
|
memcpy (best, here, bytes);
|
|
|
|
if (operation.initializer)
|
|
(* operation.initializer)(dtype, bytes, best, here, &tmp);
|
|
|
|
/* *** gather neighbors' values: loop-unfolded version *** */
|
|
if (up_index == -1)
|
|
for (dx = left_index ; dx <= right_index ; dx++)
|
|
(* operation.updater)(dtype, bytes, here, pr+((x+dx)*bytes), best, tmp);
|
|
for (dx = left_index ; dx <= right_index ; dx++)
|
|
if (dx != 0)
|
|
(* operation.updater)(dtype, bytes, here, cr+((x+dx)*bytes), best, tmp);
|
|
if (down_index == 1)
|
|
for (dx = left_index ; dx <= right_index ; dx++)
|
|
(* operation.updater)(dtype, bytes, here, nr+((x+dx)*bytes), best, tmp);
|
|
/* *** store it to dest_row*** */
|
|
(* operation.finalizer)(dtype, bytes, best, here, dest, tmp);
|
|
}
|
|
|
|
/* now store destline to destRgn */
|
|
gimp_pixel_rgn_set_row (&destRgn, dest_row, begx, y, endx - begx);
|
|
|
|
/* shift the row pointers */
|
|
swap = pr;
|
|
pr = cr;
|
|
cr = nr;
|
|
nr = swap;
|
|
|
|
|
|
if (((y % 16) == 0) && !preview)
|
|
gimp_progress_update ((gdouble) y / (gdouble) (endy - begy));
|
|
}
|
|
|
|
if (preview)
|
|
{
|
|
gimp_drawable_preview_draw_region (GIMP_DRAWABLE_PREVIEW (preview),
|
|
&destRgn);
|
|
}
|
|
else
|
|
{
|
|
/* update the region */
|
|
gimp_progress_update (1.0);
|
|
gimp_drawable_flush (drawable);
|
|
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
|
|
gimp_drawable_update (drawable->drawable_id, begx, begy, endx-begx, endy-begy);
|
|
}
|
|
}
|
|
|
|
static void
|
|
prepare_row (GimpPixelRgn *pixel_rgn,
|
|
guchar *data,
|
|
gint x,
|
|
gint y,
|
|
gint w)
|
|
{
|
|
gint b;
|
|
|
|
if (y <= 0)
|
|
gimp_pixel_rgn_get_row (pixel_rgn, data, x, (y + 1), w);
|
|
else if (y >= pixel_rgn->h)
|
|
gimp_pixel_rgn_get_row (pixel_rgn, data, x, (y - 1), w);
|
|
else
|
|
gimp_pixel_rgn_get_row (pixel_rgn, data, x, y, w);
|
|
|
|
/* Fill in edge pixels */
|
|
for (b = 0; b < pixel_rgn->bpp; b++)
|
|
{
|
|
data[-(gint)pixel_rgn->bpp + b] = data[b];
|
|
data[w * pixel_rgn->bpp + b] = data[(w - 1) * pixel_rgn->bpp + b];
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_value (GimpImageBaseType dtype,
|
|
gint bytes,
|
|
guchar *best,
|
|
guchar *here,
|
|
guchar *dest,
|
|
void *tmp)
|
|
{
|
|
gint value_chs = 0;
|
|
gint alpha = 0;
|
|
gint ch;
|
|
|
|
switch (dtype)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
value_chs = 3;
|
|
break;
|
|
case GIMP_RGBA_IMAGE:
|
|
value_chs = 3;
|
|
alpha = 3;
|
|
break;
|
|
case GIMP_GRAY_IMAGE:
|
|
value_chs = 1;
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
value_chs = 1;
|
|
alpha = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
for (ch = 0; ch < value_chs; ch++)
|
|
{
|
|
if (vpvals.propagating_channel & PROPAGATING_VALUE) /* value channel */
|
|
*dest++ = (guchar)(vpvals.propagating_rate * best[ch]
|
|
+ (1.0 - vpvals.propagating_rate) * here[ch]);
|
|
else
|
|
*dest++ = here[ch];
|
|
}
|
|
if (alpha)
|
|
{
|
|
if (vpvals.propagating_channel & PROPAGATING_ALPHA) /* alpha channel */
|
|
*dest++ = (guchar)(vpvals.propagating_rate * best[alpha]
|
|
+ (1.0 - vpvals.propagating_rate) * here[alpha]);
|
|
else
|
|
*dest++ = here[alpha];
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
value_difference_check (guchar *pos1,
|
|
guchar *pos2,
|
|
gint ch)
|
|
{
|
|
gint index;
|
|
int diff;
|
|
|
|
for (index = 0 ; index < ch; index++)
|
|
if (channel_mask[index] != 0)
|
|
{
|
|
diff = abs(pos1[index] - pos2[index]);
|
|
if (! ((vpvals.lower_limit <= diff) && (diff <= vpvals.upper_limit)))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* mothods for each mode */
|
|
static void
|
|
initialize_white (GimpImageBaseType dtype,
|
|
gint bytes,
|
|
guchar *best,
|
|
guchar *here,
|
|
void **tmp)
|
|
{
|
|
|
|
switch (dtype)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
if (*tmp == NULL)
|
|
*tmp = (void *) g_new (gfloat, 1);
|
|
**(float **)tmp = channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2];
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
propagate_white (GimpImageBaseType dtype,
|
|
gint bytes,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
float v_here;
|
|
|
|
switch (dtype)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
v_here = channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2];
|
|
if (*(float *)tmp < v_here && value_difference_check(orig, here, 3))
|
|
{
|
|
*(float *)tmp = v_here;
|
|
memcpy(best, here, 3 * sizeof(guchar)); /* alpha channel holds old value */
|
|
}
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
if (*best < *here && value_difference_check(orig, here, 1))
|
|
*best = *here;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
initialize_black (GimpImageBaseType dtype,
|
|
gint channels,
|
|
guchar *best,
|
|
guchar *here,
|
|
void **tmp)
|
|
{
|
|
switch (dtype)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
if (*tmp == NULL)
|
|
*tmp = (void *) g_new (gfloat, 1);
|
|
**(float **)tmp = (channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2]);
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
propagate_black (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
float v_here;
|
|
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
v_here = (channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2]);
|
|
if (v_here < *(float *)tmp && value_difference_check(orig, here, 3))
|
|
{
|
|
*(float *)tmp = v_here;
|
|
memcpy (best, here, 3 * sizeof(guchar)); /* alpha channel holds old value */
|
|
}
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
if (*here < *best && value_difference_check(orig, here, 1))
|
|
*best = *here;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
gshort min_modified;
|
|
gshort max_modified;
|
|
glong original_value;
|
|
glong minv;
|
|
guchar min[3];
|
|
glong maxv;
|
|
guchar max[3];
|
|
} MiddlePacket;
|
|
|
|
static void
|
|
initialize_middle (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *best,
|
|
guchar *here,
|
|
void **tmp)
|
|
{
|
|
int index;
|
|
MiddlePacket *data;
|
|
|
|
if (*tmp == NULL)
|
|
*tmp = (void *) g_new (MiddlePacket, 1);
|
|
data = (MiddlePacket *)*tmp;
|
|
for (index = 0; index < channels; index++)
|
|
data->min[index] = data->max[index] = here[index];
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
data->original_value = (channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2]);
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
data->original_value = *here;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
data->minv = data->maxv = data->original_value;
|
|
data->min_modified = data->max_modified = 0;
|
|
}
|
|
|
|
static void
|
|
propagate_middle (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
float v_here;
|
|
MiddlePacket *data;
|
|
|
|
data = (MiddlePacket *)tmp;
|
|
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
v_here = (channel_mask[0] * here[0] * here[0]
|
|
+ channel_mask[1] * here[1] * here[1]
|
|
+ channel_mask[2] * here[2] * here[2]);
|
|
if ((v_here <= data->minv) && value_difference_check(orig, here, 3))
|
|
{
|
|
data->minv = v_here;
|
|
memcpy (data->min, here, 3*sizeof(guchar));
|
|
data->min_modified = 1;
|
|
}
|
|
if (data->maxv <= v_here && value_difference_check(orig, here, 3))
|
|
{
|
|
data->maxv = v_here;
|
|
memcpy (data->max, here, 3*sizeof(guchar));
|
|
data->max_modified = 1;
|
|
}
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
if ((*here <= data->min[0]) && value_difference_check(orig, here, 1))
|
|
{
|
|
data->min[0] = *here;
|
|
data->min_modified = 1;
|
|
}
|
|
if ((data->max[0] <= *here) && value_difference_check(orig, here, 1))
|
|
{
|
|
data->max[0] = *here;
|
|
data->max_modified = 1;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_middle_to_peak (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *here,
|
|
guchar *best,
|
|
guchar *dest,
|
|
void *tmp)
|
|
{
|
|
gint value_chs = 0;
|
|
gint alpha = 0;
|
|
gint ch;
|
|
MiddlePacket *data;
|
|
|
|
data = (MiddlePacket *)tmp;
|
|
if (! ((peak_min & (data->minv == data->original_value))
|
|
|| (peak_max & (data->maxv == data->original_value))))
|
|
return;
|
|
if ((! peak_includes_equals)
|
|
&& ((peak_min & (! data->min_modified))
|
|
|| (peak_max & (! data->max_modified))))
|
|
return;
|
|
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
value_chs = 3;
|
|
break;
|
|
case GIMP_RGBA_IMAGE:
|
|
value_chs = 3;
|
|
alpha = 3;
|
|
break;
|
|
case GIMP_GRAY_IMAGE:
|
|
value_chs = 1;
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
value_chs = 1;
|
|
alpha = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
for (ch = 0; ch < value_chs; ch++)
|
|
{
|
|
if (vpvals.propagating_channel & PROPAGATING_VALUE) /* value channel */
|
|
*dest++ = (guchar)(vpvals.propagating_rate * 0.5 * (data->min[ch] + data->max[ch])
|
|
+ (1.0 - vpvals.propagating_rate) * here[ch]);
|
|
else
|
|
*dest++ = here[ch];
|
|
}
|
|
if (alpha)
|
|
{
|
|
if (vpvals.propagating_channel & PROPAGATING_ALPHA) /* alpha channel */
|
|
*dest++ = (guchar)(vpvals.propagating_rate * best[alpha]
|
|
+ (1.0 - vpvals.propagating_rate) * here[alpha]);
|
|
else
|
|
*dest++ = here[alpha];
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_foreground_to_peak (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *here,
|
|
guchar *best,
|
|
guchar *dest,
|
|
void *tmp)
|
|
{
|
|
gint value_chs = 0;
|
|
gint alpha = 0;
|
|
gint ch;
|
|
MiddlePacket *data;
|
|
|
|
data = (MiddlePacket *)tmp;
|
|
if (! ((peak_min & (data->minv == data->original_value))
|
|
|| (peak_max & (data->maxv == data->original_value))))
|
|
return;
|
|
if (peak_includes_equals
|
|
&& ((peak_min & (! data->min_modified))
|
|
|| (peak_max & (! data->max_modified))))
|
|
return;
|
|
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
value_chs = 3;
|
|
break;
|
|
case GIMP_RGBA_IMAGE:
|
|
value_chs = 3;
|
|
alpha = 3;
|
|
break;
|
|
case GIMP_GRAY_IMAGE:
|
|
value_chs = 1;
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
value_chs = 1;
|
|
alpha = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
for (ch = 0; ch < value_chs; ch++)
|
|
{
|
|
if (vpvals.propagating_channel & PROPAGATING_VALUE) /* value channel */
|
|
*dest++ = (guchar)(vpvals.propagating_rate*fore[ch]
|
|
+ (1.0 - vpvals.propagating_rate)*here[ch]);
|
|
else
|
|
*dest++ = here[ch];
|
|
}
|
|
}
|
|
|
|
static void
|
|
initialize_foreground (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *here,
|
|
guchar *best,
|
|
void **tmp)
|
|
{
|
|
GimpRGB foreground;
|
|
guchar *ch;
|
|
|
|
if (*tmp == NULL)
|
|
{
|
|
*tmp = (void *) g_new (guchar, 3);
|
|
ch = (guchar *)*tmp;
|
|
gimp_context_get_foreground (&foreground);
|
|
gimp_rgb_get_uchar (&foreground, &ch[0], &ch[1], &ch[2]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
initialize_background (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *here,
|
|
guchar *best,
|
|
void **tmp)
|
|
{
|
|
GimpRGB background;
|
|
guchar *ch;
|
|
|
|
if (*tmp == NULL)
|
|
{
|
|
*tmp = (void *) g_new (guchar, 3);
|
|
ch = (guchar *)*tmp;
|
|
gimp_context_get_background (&background);
|
|
gimp_rgb_get_uchar (&background, &ch[0], &ch[1], &ch[2]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
propagate_a_color (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
guchar *fg = (guchar *)tmp;
|
|
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGB_IMAGE:
|
|
case GIMP_RGBA_IMAGE:
|
|
if (here[0] == fg[0] && here[1] == fg[1] && here[2] == fg[2] &&
|
|
value_difference_check(orig, here, 3))
|
|
{
|
|
memcpy (best, here, 3 * sizeof(guchar)); /* alpha channel holds old value */
|
|
}
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
case GIMP_GRAY_IMAGE:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
propagate_opaque (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGBA_IMAGE:
|
|
if (best[3] < here[3] && value_difference_check(orig, here, 3))
|
|
memcpy(best, here, channels * sizeof(guchar));
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
if (best[1] < here[1] && value_difference_check(orig, here, 1))
|
|
memcpy(best, here, channels * sizeof(guchar));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
propagate_transparent (GimpImageBaseType image_type,
|
|
gint channels,
|
|
guchar *orig,
|
|
guchar *here,
|
|
guchar *best,
|
|
void *tmp)
|
|
{
|
|
switch (image_type)
|
|
{
|
|
case GIMP_RGBA_IMAGE:
|
|
if (here[3] < best[3] && value_difference_check(orig, here, 3))
|
|
memcpy(best, here, channels * sizeof(guchar));
|
|
break;
|
|
case GIMP_GRAYA_IMAGE:
|
|
if (here[1] < best[1] && value_difference_check(orig, here, 1))
|
|
memcpy(best, here, channels * sizeof(guchar));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* dialog stuff */
|
|
|
|
static gboolean
|
|
vpropagate_dialog (GimpDrawable *drawable)
|
|
{
|
|
GtkWidget *dialog;
|
|
GtkWidget *main_vbox;
|
|
GtkWidget *hbox;
|
|
GtkWidget *frame;
|
|
GtkWidget *table;
|
|
GtkWidget *toggle_vbox;
|
|
GtkWidget *button;
|
|
GtkObject *adj;
|
|
GSList *group = NULL;
|
|
gint index = 0;
|
|
gboolean run;
|
|
|
|
gimp_ui_init (PLUG_IN_BINARY, FALSE);
|
|
|
|
dialog = gimp_dialog_new (_("Value Propagate"), PLUG_IN_BINARY,
|
|
NULL, 0,
|
|
gimp_standard_help_func, VPROPAGATE_PROC,
|
|
|
|
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
|
|
GTK_STOCK_OK, GTK_RESPONSE_OK,
|
|
|
|
NULL);
|
|
|
|
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
|
|
GTK_RESPONSE_OK,
|
|
GTK_RESPONSE_CANCEL,
|
|
-1);
|
|
|
|
gimp_window_set_transient (GTK_WINDOW (dialog));
|
|
|
|
main_vbox = gtk_vbox_new (FALSE, 12);
|
|
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
|
|
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), main_vbox);
|
|
gtk_widget_show (main_vbox);
|
|
|
|
preview = gimp_drawable_preview_new (drawable, NULL);
|
|
gtk_box_pack_start (GTK_BOX (main_vbox), preview, TRUE, TRUE, 0);
|
|
gtk_widget_show (preview);
|
|
|
|
g_signal_connect_swapped (preview, "invalidated",
|
|
G_CALLBACK (value_propagate_body),
|
|
drawable);
|
|
|
|
hbox = gtk_hbox_new (FALSE, 12);
|
|
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
|
|
gtk_widget_show (hbox);
|
|
|
|
/* Propagate Mode */
|
|
frame = gimp_frame_new (_("Mode"));
|
|
gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
toggle_vbox = gtk_vbox_new (FALSE, 2);
|
|
gtk_container_add (GTK_CONTAINER (frame), toggle_vbox);
|
|
gtk_widget_show (toggle_vbox);
|
|
|
|
for (index = 0; index < num_mode; index++)
|
|
{
|
|
button =
|
|
gtk_radio_button_new_with_mnemonic (group,
|
|
gettext (modes[index].name));
|
|
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
|
|
gtk_box_pack_start (GTK_BOX (toggle_vbox), button, FALSE, FALSE, 0);
|
|
gtk_widget_show (button);
|
|
|
|
g_object_set_data (G_OBJECT (button), "gimp-item-data",
|
|
GINT_TO_POINTER (index));
|
|
|
|
g_signal_connect (button, "toggled",
|
|
G_CALLBACK (gimp_radio_button_update),
|
|
&vpvals.propagate_mode);
|
|
g_signal_connect_swapped (button, "toggled",
|
|
G_CALLBACK (gimp_preview_invalidate),
|
|
preview);
|
|
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
|
|
index == vpvals.propagate_mode);
|
|
}
|
|
|
|
/* Parameter settings */
|
|
frame = gimp_frame_new (_("Propagate"));
|
|
gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
table = gtk_table_new (8, 3, FALSE); /* 4 raw, 2 columns(name and value) */
|
|
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
|
|
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
|
|
gtk_table_set_row_spacing (GTK_TABLE (table), 2, 12);
|
|
gtk_table_set_row_spacing (GTK_TABLE (table), 5, 12);
|
|
gtk_container_add (GTK_CONTAINER (frame), table);
|
|
gtk_widget_show (table);
|
|
|
|
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
|
|
_("Lower t_hreshold:"), SCALE_WIDTH, 4,
|
|
vpvals.lower_limit, 0, 255, 1, 8, 0,
|
|
TRUE, 0, 0,
|
|
NULL, NULL);
|
|
g_signal_connect (adj, "value-changed",
|
|
G_CALLBACK (gimp_int_adjustment_update),
|
|
&vpvals.lower_limit);
|
|
g_signal_connect_swapped (adj, "value-changed",
|
|
G_CALLBACK (gimp_preview_invalidate),
|
|
preview);
|
|
|
|
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
|
|
_("_Upper threshold:"), SCALE_WIDTH, 4,
|
|
vpvals.upper_limit, 0, 255, 1, 8, 0,
|
|
TRUE, 0, 0,
|
|
NULL, NULL);
|
|
g_signal_connect (adj, "value-changed",
|
|
G_CALLBACK (gimp_int_adjustment_update),
|
|
&vpvals.upper_limit);
|
|
g_signal_connect_swapped (adj, "value-changed",
|
|
G_CALLBACK (gimp_preview_invalidate),
|
|
preview);
|
|
|
|
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
|
|
_("_Propagating rate:"), SCALE_WIDTH, 4,
|
|
vpvals.propagating_rate, 0, 1, 0.01, 0.1, 2,
|
|
TRUE, 0, 0,
|
|
NULL, NULL);
|
|
g_signal_connect (adj, "value-changed",
|
|
G_CALLBACK (gimp_double_adjustment_update),
|
|
&vpvals.propagating_rate);
|
|
g_signal_connect_swapped (adj, "value-changed",
|
|
G_CALLBACK (gimp_preview_invalidate),
|
|
preview);
|
|
|
|
gtk_table_add_toggle (table, _("To l_eft"), 0, 1, 4,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&direction_mask_vec[Right2Left]);
|
|
gtk_table_add_toggle (table, _("To _right"), 2, 3, 4,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&direction_mask_vec[Left2Right]);
|
|
gtk_table_add_toggle (table, _("To _top"), 1, 2, 3,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&direction_mask_vec[Bottom2Top]);
|
|
gtk_table_add_toggle (table, _("To _bottom"), 1, 2, 5,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&direction_mask_vec[Top2Bottom]);
|
|
|
|
if (gimp_drawable_has_alpha (drawable->drawable_id))
|
|
{
|
|
GtkWidget *toggle;
|
|
|
|
toggle =
|
|
gtk_table_add_toggle (table, _("Propagating _alpha channel"),
|
|
0, 3, 6,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&propagate_alpha);
|
|
|
|
if (gimp_layer_get_lock_alpha (drawable->drawable_id))
|
|
{
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), 0);
|
|
gtk_widget_set_sensitive (toggle, FALSE);
|
|
}
|
|
|
|
gtk_table_add_toggle (table, _("Propagating value channel"), 0, 3, 7,
|
|
G_CALLBACK (vpropagate_toggle_button_update),
|
|
&propagate_value);
|
|
}
|
|
|
|
gtk_widget_show (dialog);
|
|
|
|
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
|
|
|
|
if (run)
|
|
{
|
|
gint i, result;
|
|
|
|
for (i = result = 0; i < 4; i++)
|
|
result |= (direction_mask_vec[i] ? 1 : 0) << i;
|
|
vpvals.direction_mask = result;
|
|
|
|
vpvals.propagating_channel = ((propagate_alpha ? PROPAGATING_ALPHA : 0) |
|
|
(propagate_value ? PROPAGATING_VALUE : 0));
|
|
}
|
|
|
|
gtk_widget_destroy (dialog);
|
|
|
|
return run;
|
|
}
|
|
|
|
static void
|
|
vpropagate_toggle_button_update (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
gint i, result;
|
|
|
|
gimp_toggle_button_update (widget, data);
|
|
|
|
for (i = result = 0; i < 4; i++)
|
|
result |= (direction_mask_vec[i] ? 1 : 0) << i;
|
|
vpvals.direction_mask = result;
|
|
|
|
vpvals.propagating_channel = ((propagate_alpha ? PROPAGATING_ALPHA : 0) |
|
|
(propagate_value ? PROPAGATING_VALUE : 0));
|
|
gimp_preview_invalidate (GIMP_PREVIEW (preview));
|
|
}
|
|
|
|
static GtkWidget *
|
|
gtk_table_add_toggle (GtkWidget *table,
|
|
const gchar *name,
|
|
gint x1,
|
|
gint x2,
|
|
gint y,
|
|
GCallback update,
|
|
gint *value)
|
|
{
|
|
GtkWidget *toggle;
|
|
|
|
toggle = gtk_check_button_new_with_mnemonic(name);
|
|
gtk_table_attach (GTK_TABLE (table), toggle, x1, x2, y, y+1,
|
|
GTK_FILL|GTK_EXPAND, 0, 0, 0);
|
|
gtk_widget_show (toggle);
|
|
|
|
g_signal_connect (toggle, "toggled",
|
|
G_CALLBACK (update),
|
|
value);
|
|
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), *value);
|
|
|
|
return toggle;
|
|
}
|