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gimp/plug-ins/common/tileit.c

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for the GIMP.
*
* Tileit - This plugin will take an image an make repeated
* copies of it the stepping is 1/(2**n); 1<=n<=6
*
* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* A fair proprotion of this code was taken from the Whirl plug-in
* which was copyrighted by Federico Mena Quintero (as below).
*
* Whirl plug-in --- distort an image into a whirlpool
* Copyright (C) 1997 Federico Mena Quintero
*
*/
/* Change log:-
* 0.2 Added new functions to allow "editing" of the tile patten.
*
* 0.1 First version released.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gtk/gtk.h"
#include "libgimp/gimp.h"
/***** Magic numbers *****/
#define PREVIEW_SIZE 128
#define SCALE_WIDTH 80
#define ENTRY_WIDTH 25
/* Even more stuff from Quartics plugins */
#define CHECK_SIZE 8
#define CHECK_DARK ((int) (1.0 / 3.0 * 255))
#define CHECK_LIGHT ((int) (2.0 / 3.0 * 255))
#define MAX_SEGS 6
#define TRUE 1
#define FALSE 0
#define PREVIEW_MASK GDK_EXPOSURE_MASK | \
GDK_BUTTON_PRESS_MASK | \
GDK_BUTTON_MOTION_MASK
/* Variables set in dialog box */
typedef struct data {
gint numtiles;
} TileItVals;
typedef struct {
GtkWidget *preview;
guchar preview_row[PREVIEW_SIZE * 4];
gint run;
guchar * pv_cache;
gint img_bpp;
} TileItInterface;
static TileItInterface tint =
{
NULL, /* Preview */
{'4','u'}, /* Preview_row */
FALSE, /* run */
NULL,
4 /* bpp of drawable */
};
GDrawable *tileitdrawable;
static gint tile_width, tile_height;
static GTile *the_tile = NULL;
static gint img_width, img_height,img_bpp;
static void query (void);
static void run (gchar *name,
gint nparams,
GParam *param,
gint *nreturn_vals,
GParam **return_vals);
/* static void check (GDrawable * drawable); */
static gint tileit_dialog (void);
static void tileit_close_callback (GtkWidget *widget, gpointer data);
static void tileit_ok_callback (GtkWidget *widget, gpointer data);
static void tileit_scale_update (GtkAdjustment *adjustment, gint *size_val);
static void tileit_entry_update(GtkWidget *widget, gint *value);
static void tileit_exp_update(GtkWidget *widget, gpointer value);
static void tileit_exp_update_f(GtkWidget *widget, gpointer value);
static void tileit_reset(GtkWidget *widget, gpointer value);
static void tileit_toggle_update(GtkWidget *widget, gpointer data);
static void tileit_hvtoggle_update(GtkWidget *widget, gpointer data);
static void do_tiles(void);
static gint tiles_xy(gint width, gint height,gint x,gint y,gint *nx,gint *ny);
static void all_update(void);
static void alt_update(void);
static void explict_update(gint);
static void dialog_update_preview(void);
static void cache_preview(void);
static gint tileit_preview_expose ( GtkWidget *widget,GdkEvent *event );
static gint tileit_preview_events ( GtkWidget *widget,GdkEvent *event );
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
/* Values when first invoked */
static TileItVals itvals =
{
2
};
/* Structures for call backs... */
/* The "explict tile" & family */
typedef enum {
ALL,
ALT,
EXPLICT
} AppliedTo;
typedef struct {
AppliedTo type;
gint x; /* X - pos of tile */
gint y; /* Y - pos of tile */
GtkWidget *r_label; /* row label */
GtkWidget *r_entry; /* row entry */
GtkWidget *c_label; /* column label */
GtkWidget *c_entry; /* column entry */
GtkWidget *applybut; /* The apply button */
} Exp_Call;
Exp_Call exp_call = {
ALL,
-1,
-1,
NULL,
NULL,
NULL,
NULL,
NULL,
};
/* The reset button needs to know some toggle widgets.. */
typedef struct {
GtkWidget *htoggle;
GtkWidget *vtoggle;
} Reset_Call;
Reset_Call res_call = {
NULL,
NULL,
};
/* 2D - Array that holds the actions for each tile */
/* Action type on cell */
#define HORIZONTAL 0x1
#define VERTICAL 0x2
gint tileactions[MAX_SEGS][MAX_SEGS];
/* What actions buttons toggled */
gint do_horz = FALSE;
gint do_vert = FALSE;
gint opacity = 100;
/* Stuff for the preview bit */
static gint sel_x1, sel_y1, sel_x2, sel_y2;
static gint sel_width, sel_height;
static gint preview_width, preview_height;
static gint has_alpha;
MAIN ()
static void
query ()
{
static GParamDef args[] =
{
{ PARAM_INT32, "run_mode", "Interactive, non-interactive" },
{ PARAM_IMAGE, "image", "Input image (unused)" },
{ PARAM_DRAWABLE, "drawable", "Input drawable" },
{ PARAM_INT32, "number_of_tiles", "Number of tiles to make" }
};
static GParamDef *return_vals = NULL;
static int nargs = sizeof (args) / sizeof (args[0]);
static int nreturn_vals = 0;
gimp_install_procedure ("plug_in_small_tiles",
"Tiles image into smaller versions of the orginal",
"More here later",
"Andy Thomas",
"Andy Thomas",
"1997",
"<Image>/Filters/Map/Small Tiles",
"RGB*, GRAY*",
PROC_PLUG_IN,
nargs, nreturn_vals,
args, return_vals);
}
static void
run (gchar *name,
gint nparams,
GParam *param,
gint *nreturn_vals,
GParam **return_vals)
{
static GParam values[1];
GDrawable *drawable;
GRunModeType run_mode;
GStatusType status = STATUS_SUCCESS;
int pwidth, pheight;
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
tileitdrawable =
drawable =
gimp_drawable_get (param[2].data.d_drawable);
tile_width = gimp_tile_width();
tile_height = gimp_tile_height();
gimp_drawable_mask_bounds(drawable->id, &sel_x1, &sel_y1, &sel_x2, &sel_y2);
sel_width = sel_x2 - sel_x1;
sel_height = sel_y2 - sel_y1;
/* Calculate preview size */
if (sel_width > sel_height) {
pwidth = MIN(sel_width, PREVIEW_SIZE);
pheight = sel_height * pwidth / sel_width;
} else {
pheight = MIN(sel_height, PREVIEW_SIZE);
pwidth = sel_width * pheight / sel_height;
}
preview_width = MAX(pwidth, 2); /* Min size is 2 */
preview_height = MAX(pheight, 2);
switch (run_mode)
{
case RUN_INTERACTIVE:
gimp_get_data ("plug_in_tileit", &itvals);
if (! tileit_dialog())
{
gimp_drawable_detach (drawable);
return;
}
break;
case RUN_NONINTERACTIVE:
if (nparams != 4)
status = STATUS_CALLING_ERROR;
if (status == STATUS_SUCCESS)
{
itvals.numtiles = param[3].data.d_int32;
}
break;
case RUN_WITH_LAST_VALS:
gimp_get_data ("plug_in_tileit", &itvals);
break;
default:
break;
}
if (gimp_drawable_color (drawable->id) || gimp_drawable_gray (drawable->id))
{
/* Set the tile cache size */
gimp_tile_cache_ntiles((drawable->width + gimp_tile_width() - 1) / gimp_tile_width());
gimp_progress_init ("Tiling ...");
do_tiles();
if (run_mode != RUN_NONINTERACTIVE)
gimp_displays_flush ();
if (run_mode == RUN_INTERACTIVE)
gimp_set_data ("plug_in_tileit", &itvals, sizeof (TileItVals));
}
else
{
status = STATUS_EXECUTION_ERROR;
}
values[0].data.d_status = status;
gimp_drawable_detach (drawable);
}
/* Build the dialog up. This was the hard part! */
static gint
tileit_dialog ()
{
GtkWidget *dlg;
GtkWidget *button;
GtkWidget *frame;
GtkWidget *xframe;
GtkWidget *table;
GtkWidget *table2;
GtkWidget *table3;
GtkWidget *table4;
GtkWidget *label;
GtkWidget *entry;
GtkWidget *slider;
GtkObject *size_data;
GtkObject *op_data;
GtkWidget *toggle;
GSList *orientation_group = NULL;
guchar *color_cube;
gchar **argv;
gint argc;
char buf[256];
argc = 1;
argv = g_new (gchar *, 1);
argv[0] = g_strdup ("tileit");
gtk_init (&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
/* Get the stuff for the preview window...*/
gtk_preview_set_gamma(gimp_gamma());
gtk_preview_set_install_cmap(gimp_install_cmap());
color_cube = gimp_color_cube();
gtk_preview_set_color_cube(color_cube[0], color_cube[1], color_cube[2], color_cube[3]);
gtk_widget_set_default_visual(gtk_preview_get_visual());
gtk_widget_set_default_colormap(gtk_preview_get_cmap());
cache_preview(); /* Get the preview image and store it also set has_alpha */
/* Start buildng the dialog up */
dlg = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (dlg), "TileIt");
gtk_window_position (GTK_WINDOW (dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect (GTK_OBJECT (dlg), "destroy",
(GtkSignalFunc) tileit_close_callback,
NULL);
/* Action area */
button = gtk_button_new_with_label ("OK");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) tileit_ok_callback,
dlg);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_grab_default (button);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Cancel");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) gtk_widget_destroy,
GTK_OBJECT (dlg));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_show (button);
/* Start building the frame for the preview area */
frame = gtk_frame_new ("preview");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), 1);
table = gtk_table_new (6, 6, FALSE);
gtk_container_border_width (GTK_CONTAINER (table), 1);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), frame, TRUE, TRUE, 0);
tint.preview = gtk_preview_new(GTK_PREVIEW_COLOR);
gtk_widget_set_events( GTK_WIDGET(tint.preview), PREVIEW_MASK );
gtk_signal_connect_after( GTK_OBJECT(tint.preview), "expose_event",
(GtkSignalFunc) tileit_preview_expose,
NULL);
gtk_signal_connect( GTK_OBJECT(tint.preview), "event",
(GtkSignalFunc) tileit_preview_events,
NULL);
gtk_preview_size(GTK_PREVIEW(tint.preview), preview_width, preview_height);
xframe = gtk_frame_new(NULL);
gtk_frame_set_shadow_type (GTK_FRAME (xframe), GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(xframe), tint.preview);
gtk_widget_show(xframe);
gtk_table_attach(GTK_TABLE(table), xframe, 0, 1, 0, 2, GTK_EXPAND , GTK_EXPAND, 0, 0);
gtk_widget_show(frame);
gtk_widget_show(table);
gtk_container_add(GTK_CONTAINER(frame), xframe);
/* Area for buttons etc */
/* This was built up incrementally... shows does'nt it */
frame = gtk_frame_new("Flipping");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), 1);
table2 = gtk_table_new (7, 7, FALSE);
gtk_container_border_width (GTK_CONTAINER (table2), 1);
gtk_container_add (GTK_CONTAINER (frame), table2);
toggle = gtk_check_button_new_with_label ("Horizontal");
gtk_table_attach (GTK_TABLE (table2), toggle, 0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) tileit_hvtoggle_update,
&do_horz);
gtk_widget_show (toggle);
res_call.htoggle = toggle;
toggle = gtk_check_button_new_with_label ("Vertical");
gtk_table_attach (GTK_TABLE (table2), toggle, 1, 2, 1, 2, GTK_EXPAND , GTK_EXPAND , 0, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) tileit_hvtoggle_update,
&do_vert);
gtk_widget_show (toggle);
res_call.vtoggle = toggle;
xframe = gtk_frame_new("Applied to tile");
gtk_frame_set_shadow_type (GTK_FRAME (xframe), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (xframe), 10);
gtk_table_attach (GTK_TABLE (table2), xframe, 0, 2, 2, 3, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show(xframe);
/* Table for the inner widgets..*/
table4 = gtk_table_new (6, 6, FALSE);
gtk_container_border_width (GTK_CONTAINER (table4), 10);
gtk_container_add (GTK_CONTAINER (xframe), table4);
gtk_widget_show(table4);
toggle = gtk_radio_button_new_with_label (orientation_group,"All tiles");
orientation_group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_table_attach (GTK_TABLE (table4), toggle, 0, 3, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) tileit_toggle_update,
(gpointer)ALL);
gtk_widget_show (toggle);
toggle = gtk_radio_button_new_with_label (orientation_group,"Alternate tiles");
orientation_group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_table_attach (GTK_TABLE (table4), toggle, 0, 3, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) tileit_toggle_update,
(gpointer)ALT);
gtk_widget_show (toggle);
toggle = gtk_radio_button_new_with_label (orientation_group,"Explict tile");
orientation_group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_table_attach (GTK_TABLE (table4), toggle, 0, 1, 2, 3, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show (toggle);
/* Table for the stuff next to the explict button */
table3 = gtk_table_new (6, 6, FALSE);
gtk_container_border_width (GTK_CONTAINER (table3), 0);
gtk_container_add (GTK_CONTAINER (xframe), table3);
label = gtk_label_new ("Row");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_widget_show(label);
gtk_table_attach (GTK_TABLE (table3), label, 0 , 1, 0, 1, GTK_FILL | GTK_EXPAND , GTK_FILL, 1, 1);
gtk_widget_set_sensitive(label,FALSE);
exp_call.r_label = label;
entry = gtk_entry_new();
gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
sprintf(buf, "%.1d", 2);
gtk_entry_set_text(GTK_ENTRY(entry), buf);
gtk_widget_show (entry);
gtk_table_attach (GTK_TABLE (table3), entry, 2 , 3, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_set_sensitive(entry,FALSE);
gtk_signal_connect(GTK_OBJECT(entry), "changed",
(GtkSignalFunc) tileit_exp_update_f,
&exp_call);
exp_call.r_entry = entry;
label = gtk_label_new ("Column");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_widget_show(label);
gtk_table_attach (GTK_TABLE (table3), label, 0 , 1, 1, 2, GTK_FILL , GTK_FILL, 1, 1);
gtk_widget_set_sensitive(label,FALSE);
exp_call.c_label = label;
entry = gtk_entry_new();
gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
sprintf(buf, "%.1d", 2);
gtk_entry_set_text(GTK_ENTRY(entry), buf);
gtk_widget_show (entry);
gtk_widget_set_sensitive(entry,FALSE);
gtk_table_attach (GTK_TABLE (table3), entry, 2 , 3, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_signal_connect(GTK_OBJECT(entry), "changed",
(GtkSignalFunc) tileit_exp_update_f,
&exp_call);
exp_call.c_entry = entry;
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) tileit_toggle_update,
(gpointer)EXPLICT);
button = gtk_button_new_with_label ("Apply");
gtk_widget_set_sensitive(button,FALSE);
gtk_table_attach (GTK_TABLE (table3), button, 3, 4, 0, 3, 0, 0, 1, 1);
gtk_widget_show (button);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) tileit_exp_update,
(gpointer)&exp_call);
exp_call.applybut = button;
/* Widget for selecting the Opacity */
sprintf(buf,"Opacity: ");
label = gtk_label_new (buf);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table4), label, 0, 1, 3, 4, 0, 0, 0, 0);
gtk_widget_show (label);
op_data = gtk_adjustment_new (100, 0, 100, 1, 1, 0);
slider = gtk_hscale_new (GTK_ADJUSTMENT (op_data));
gtk_widget_set_usize (slider, SCALE_WIDTH, 0);
gtk_table_attach (GTK_TABLE (table4), slider, 1,3 , 3, 4, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_LEFT);
gtk_scale_set_digits (GTK_SCALE (slider), 0);
gtk_range_set_update_policy (GTK_RANGE (slider),GTK_UPDATE_CONTINUOUS );
gtk_signal_connect (GTK_OBJECT (op_data), "value_changed",
(GtkSignalFunc) tileit_scale_update,
&opacity);
if(!has_alpha)
gtk_widget_set_sensitive(slider,FALSE);
gtk_widget_show (slider);
entry = gtk_entry_new();
gtk_object_set_user_data(GTK_OBJECT(entry), op_data);
gtk_object_set_user_data(op_data, entry);
gtk_widget_set_usize(entry, 3*ENTRY_WIDTH/2, 0);
sprintf(buf, "%.1d", opacity);
gtk_entry_set_text(GTK_ENTRY(entry), buf);
gtk_signal_connect(GTK_OBJECT(entry), "changed",
(GtkSignalFunc) tileit_entry_update,
&opacity);
gtk_table_attach(GTK_TABLE(table4), entry, 3, 4, 3, 4, GTK_FILL, GTK_FILL, 0, 0);
if(!has_alpha)
gtk_widget_set_sensitive(entry,FALSE);
gtk_widget_show(entry);
gtk_widget_show(table3);
gtk_table_attach (GTK_TABLE (table4), table3, 1, 2, 2, 3, GTK_FILL , GTK_FILL, 0, 0);
button = gtk_button_new_with_label ("Reset");
gtk_table_attach (GTK_TABLE (table2), button, 0, 2, 5, 6, 0 , 0, 0, 0);
gtk_widget_show (button);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) tileit_reset,
(gpointer)&res_call);
gtk_widget_show(frame);
gtk_widget_show(table2);
gtk_table_attach(GTK_TABLE(table), frame, 1, 2, 0, 2, GTK_EXPAND , GTK_EXPAND, 0, 0);
/* Lower frame saying howmany segments */
frame = gtk_frame_new ("Segment Setting");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), 1);
table = gtk_table_new (5, 5, FALSE);
gtk_container_border_width (GTK_CONTAINER (table), 1);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), frame, TRUE, TRUE, 0);
sprintf(buf,"1/(%d**n) ",2);
label = gtk_label_new (buf);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2, GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show (label);
size_data = gtk_adjustment_new (itvals.numtiles, 2, MAX_SEGS, 1, 1, 0);
slider = gtk_hscale_new (GTK_ADJUSTMENT (size_data));
gtk_widget_set_usize (slider, SCALE_WIDTH, 0);
gtk_table_attach (GTK_TABLE (table), slider, 2,3 , 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_LEFT);
gtk_scale_set_digits (GTK_SCALE (slider), 0);
gtk_range_set_update_policy (GTK_RANGE (slider),GTK_UPDATE_CONTINUOUS );
gtk_signal_connect (GTK_OBJECT (size_data), "value_changed",
(GtkSignalFunc) tileit_scale_update,
&itvals.numtiles);
gtk_widget_show (slider);
entry = gtk_entry_new();
gtk_object_set_user_data(GTK_OBJECT(entry), size_data);
gtk_object_set_user_data(size_data, entry);
gtk_widget_set_usize(entry, ENTRY_WIDTH, 0);
sprintf(buf, "%.1d", itvals.numtiles);
gtk_entry_set_text(GTK_ENTRY(entry), buf);
gtk_signal_connect(GTK_OBJECT(entry), "changed",
(GtkSignalFunc) tileit_entry_update,
&itvals.numtiles);
gtk_table_attach(GTK_TABLE(table), entry, 3, 4, 1, 2, GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show(entry);
gtk_widget_show(frame);
gtk_widget_show(table);
gtk_widget_show(tint.preview);
gtk_widget_show (dlg);
dialog_update_preview();
gtk_main ();
gdk_flush ();
return tint.run;
}
static void
tileit_close_callback (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
static void
tileit_ok_callback (GtkWidget *widget,
gpointer data)
{
tint.run = TRUE;
gtk_widget_destroy (GTK_WIDGET (data));
}
static void
tileit_hvtoggle_update(GtkWidget *widget,
gpointer data)
{
int *toggle_val;
toggle_val = (int *) data;
if (GTK_TOGGLE_BUTTON (widget)->active)
{
/* Only do for event that sets a toggle button to true */
/* This will break if any more toggles are added? */
*toggle_val = TRUE;
}
else
*toggle_val = FALSE;
switch(exp_call.type)
{
case ALL:
/* Clear current settings */
memset(tileactions,0,sizeof(tileactions));
all_update();
break;
case ALT:
/* Clear current settings */
memset(tileactions,0,sizeof(tileactions));
alt_update();
break;
case EXPLICT:
break;
}
dialog_update_preview();
}
static void
draw_explict_sel(void)
{
if(exp_call.type == EXPLICT)
{
gdouble x,y;
gdouble width = (gdouble)preview_width/(gdouble)itvals.numtiles;
gdouble height = (gdouble)preview_height/(gdouble)itvals.numtiles;
x = width*(exp_call.x - 1);
y = height*(exp_call.y - 1);
gdk_gc_set_function ( tint.preview->style->black_gc, GDK_INVERT);
gdk_draw_rectangle(tint.preview->window,
tint.preview->style->black_gc,
0,
(gint)x,
(gint)y,
(gint)width,
(gint)height);
gdk_draw_rectangle(tint.preview->window,
tint.preview->style->black_gc,
0,
(gint)x+1,
(gint)y+1,
(gint)width-2,
(gint)height-2);
gdk_draw_rectangle(tint.preview->window,
tint.preview->style->black_gc,
0,
(gint)x+2,
(gint)y+2,
(gint)width-4,
(gint)height-4);
gdk_gc_set_function ( tint.preview->style->black_gc, GDK_COPY);
}
}
static gint
tileit_preview_expose( GtkWidget *widget,
GdkEvent *event )
{
draw_explict_sel();
return FALSE;
}
static void
exp_need_update(gint nx, gint ny)
{
gchar buf[256];
if (nx <= 0 || nx > itvals.numtiles || ny <= 0 || ny > itvals.numtiles)
return;
if( nx != exp_call.x ||
ny != exp_call.y )
{
draw_explict_sel(); /* Clear old 'un */
exp_call.x = nx;
exp_call.y = ny;
draw_explict_sel();
sprintf(buf,"%d",nx);
gtk_signal_handler_block_by_data(GTK_OBJECT(exp_call.c_entry),&exp_call);
gtk_entry_set_text(GTK_ENTRY(exp_call.c_entry), buf);
gtk_signal_handler_unblock_by_data(GTK_OBJECT(exp_call.c_entry), &exp_call);
sprintf(buf,"%d",ny);
gtk_signal_handler_block_by_data(GTK_OBJECT(exp_call.r_entry),&exp_call);
gtk_entry_set_text(GTK_ENTRY(exp_call.r_entry), buf);
gtk_signal_handler_unblock_by_data(GTK_OBJECT(exp_call.r_entry), &exp_call);
}
}
static gint
tileit_preview_events ( GtkWidget *widget,
GdkEvent *event )
{
GdkEventButton *bevent;
GdkEventMotion *mevent;
gint nx,ny;
gint twidth = preview_width/itvals.numtiles;
gint theight = preview_height/itvals.numtiles;
switch (event->type)
{
case GDK_EXPOSE:
break;
case GDK_BUTTON_PRESS:
bevent = (GdkEventButton *) event;
nx = bevent->x/twidth + 1;
ny = bevent->y/theight + 1;
exp_need_update(nx,ny);
break;
case GDK_MOTION_NOTIFY:
mevent = (GdkEventMotion *) event;
if ( !mevent->state )
break;
if(mevent->x < 0 || mevent->y < 0)
break;
nx = mevent->x/twidth + 1;
ny = mevent->y/theight + 1;
exp_need_update(nx,ny);
break;
default:
break;
}
return FALSE;
}
static void
explict_update(gint settile)
{
int x,y;
/* Make sure bounds are OK */
y = atoi(gtk_entry_get_text(GTK_ENTRY(exp_call.r_entry)));
if(y > itvals.numtiles || y <= 0)
{
y = itvals.numtiles;
}
x = atoi(gtk_entry_get_text(GTK_ENTRY(exp_call.c_entry)));
if(x > itvals.numtiles || x <= 0)
{
x = itvals.numtiles;
}
/* Set it */
if(settile == TRUE)
tileactions[x-1][y-1] = (((do_horz)?HORIZONTAL:0)|((do_vert)?VERTICAL:0));
exp_call.x = x;
exp_call.y = y;
}
static void
all_update(void)
{
int x,y;
for(x = 0 ; x < MAX_SEGS; x++)
for(y = 0 ; y < MAX_SEGS; y++)
tileactions[x][y] |= (((do_horz)?HORIZONTAL:0)|((do_vert)?VERTICAL:0));
}
static void
alt_update(void)
{
int x,y;
for(x = 0 ; x < MAX_SEGS; x++)
for(y = 0 ; y < MAX_SEGS; y++)
if(!((x+y)%2))
tileactions[x][y] |=
(((do_horz)?HORIZONTAL:0)|((do_vert)?VERTICAL:0));
}
static void
tileit_toggle_update(GtkWidget *widget,
gpointer data)
{
AppliedTo type = (AppliedTo)data;
if (GTK_TOGGLE_BUTTON (widget)->active)
{
switch(type)
{
case ALL:
/* Clear current settings */
memset(tileactions,0,sizeof(tileactions));
all_update();
break;
case ALT:
/* Clear current settings */
memset(tileactions,0,sizeof(tileactions));
alt_update();
break;
case EXPLICT:
/* Make widget active */
gtk_widget_set_sensitive(exp_call.r_label,TRUE);
gtk_widget_set_sensitive(exp_call.r_entry,TRUE);
gtk_widget_set_sensitive(exp_call.c_label,TRUE);
gtk_widget_set_sensitive(exp_call.c_entry,TRUE);
gtk_widget_set_sensitive(exp_call.applybut,TRUE);
explict_update(FALSE);
break;
}
exp_call.type = type;
}
else
{
switch(type)
{
case ALL:
break;
case ALT:
break;
case EXPLICT:
gtk_widget_set_sensitive(exp_call.r_label,FALSE);
gtk_widget_set_sensitive(exp_call.r_entry,FALSE);
gtk_widget_set_sensitive(exp_call.c_label,FALSE);
gtk_widget_set_sensitive(exp_call.c_entry,FALSE);
gtk_widget_set_sensitive(exp_call.applybut,FALSE);
break;
}
}
dialog_update_preview();
}
static void
tileit_scale_update(GtkAdjustment *adjustment, gint *value)
{
GtkWidget *entry;
char buf[256];
if (*value != adjustment->value) {
*value = adjustment->value;
entry = gtk_object_get_user_data(GTK_OBJECT(adjustment));
sprintf(buf,"%d",*value);
gtk_signal_handler_block_by_data(GTK_OBJECT(entry), value);
gtk_entry_set_text(GTK_ENTRY(entry), buf);
gtk_signal_handler_unblock_by_data(GTK_OBJECT(entry), value);
dialog_update_preview();
}
}
static void
tileit_reset(GtkWidget *widget, gpointer data)
{
Reset_Call *r = (Reset_Call *)data;
memset(tileactions,0,sizeof(tileactions));
gtk_signal_handler_block_by_data(GTK_OBJECT(r->htoggle),&do_horz);
gtk_signal_handler_block_by_data(GTK_OBJECT(r->vtoggle),&do_vert);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(r->htoggle),FALSE);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(r->vtoggle),FALSE);
gtk_signal_handler_unblock_by_data(GTK_OBJECT(r->htoggle),&do_horz);
gtk_signal_handler_unblock_by_data(GTK_OBJECT(r->vtoggle),&do_vert);
do_horz = do_vert = FALSE;
dialog_update_preview();
}
/* Could avoid almost dup. functions by using a field in the data
* passed. Must still pass the data since used in sig blocking func.
*/
static void
tileit_exp_update(GtkWidget *widget, gpointer applied)
{
explict_update(TRUE);
dialog_update_preview();
}
static void
tileit_exp_update_f(GtkWidget *widget, gpointer applied)
{
explict_update(FALSE);
dialog_update_preview();
}
static void
tileit_entry_update(GtkWidget *widget, gint *value)
{
GtkAdjustment *adjustment;
gdouble new_value;
new_value = atoi(gtk_entry_get_text(GTK_ENTRY(widget)));
if (*value != new_value) {
adjustment = gtk_object_get_user_data(GTK_OBJECT(widget));
if ((new_value >= adjustment->lower) &&
(new_value <= adjustment->upper)) {
*value = new_value;
adjustment->value = new_value;
gtk_signal_emit_by_name(GTK_OBJECT(adjustment), "value_changed");
dialog_update_preview();
}
}
}
/* Cache the preview image - updates are a lot faster. */
/* The preview_cache will contain the small image */
static void
cache_preview()
{
GPixelRgn src_rgn;
int y,x;
guchar *src_rows;
guchar *p;
int isgrey = 0;
gimp_pixel_rgn_init(&src_rgn,tileitdrawable,sel_x1,sel_y1,sel_width,sel_height,FALSE,FALSE);
src_rows = g_new(guchar ,sel_width*4);
p = tint.pv_cache = g_new(guchar ,preview_width*preview_height*4);
img_width = gimp_drawable_width(tileitdrawable->id);
img_height = gimp_drawable_height(tileitdrawable->id);
tint.img_bpp = gimp_drawable_bpp(tileitdrawable->id);
has_alpha = gimp_drawable_has_alpha(tileitdrawable->id);
if(tint.img_bpp < 3)
{
tint.img_bpp = 3 + has_alpha;
}
switch ( gimp_drawable_type (tileitdrawable->id) )
{
case GRAYA_IMAGE:
case GRAY_IMAGE:
isgrey = 1;
break;
default:
isgrey = 0;
break;
}
for (y = 0; y < preview_height; y++) {
gimp_pixel_rgn_get_row(&src_rgn,
src_rows,
sel_x1,
sel_y1 + (y*sel_height)/preview_height,
sel_width);
for (x = 0; x < (preview_width); x ++) {
/* Get the pixels of each col */
int i;
for (i = 0 ; i < 3; i++ )
p[x*tint.img_bpp+i] = src_rows[((x*sel_width)/preview_width)*src_rgn.bpp +((isgrey)?0:i)];
if(has_alpha)
p[x*tint.img_bpp+3] = src_rows[((x*sel_width)/preview_width)*src_rgn.bpp + ((isgrey)?1:3)];
}
p += (preview_width*tint.img_bpp);
}
g_free(src_rows);
}
static void
tileit_get_pixel(int x, int y, guchar *pixel)
{
static gint row = -1;
static gint col = -1;
gint newcol, newrow;
gint newcoloff, newrowoff;
guchar *p;
int i;
if ((x < 0) || (x >= img_width) || (y < 0) || (y >= img_height)) {
pixel[0] = 0;
pixel[1] = 0;
pixel[2] = 0;
pixel[3] = 0;
return;
}
newcol = x / tile_width;
newcoloff = x % tile_width;
newrow = y / tile_height;
newrowoff = y % tile_height;
if ((col != newcol) || (row != newrow) || (the_tile == NULL)) {
if (the_tile != NULL)
gimp_tile_unref(the_tile, FALSE);
the_tile = gimp_drawable_get_tile(tileitdrawable, FALSE, newrow, newcol);
gimp_tile_ref(the_tile);
col = newcol;
row = newrow;
}
p = the_tile->data + the_tile->bpp * (the_tile->ewidth * newrowoff + newcoloff);
for (i = img_bpp; i; i--)
*pixel++ = *p++;
}
static void
do_tiles(void)
{
GPixelRgn dest_rgn;
gpointer pr;
gint progress, max_progress;
guchar *dest_row;
guchar *dest;
gint row, col;
guchar pixel[4];
int nc,nr;
int i;
/* Initialize pixel region */
gimp_pixel_rgn_init(&dest_rgn, tileitdrawable, sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
progress = 0;
max_progress = sel_width * sel_height;
img_bpp = gimp_drawable_bpp(tileitdrawable->id);
for (pr = gimp_pixel_rgns_register(1, &dest_rgn);
pr != NULL; pr = gimp_pixel_rgns_process(pr)) {
dest_row = dest_rgn.data;
for (row = dest_rgn.y; row < (dest_rgn.y + dest_rgn.h); row++) {
dest = dest_row;
for (col = dest_rgn.x; col < (dest_rgn.x + dest_rgn.w); col++)
{
int an_action;
an_action =
tiles_xy(sel_width,
sel_height,
col-sel_x1,row-sel_y1,
&nc,&nr);
tileit_get_pixel(nc+sel_x1,nr+sel_y1,pixel);
for (i = 0; i < img_bpp; i++)
*dest++ = pixel[i];
if(an_action && has_alpha)
{
dest--;
*dest = ((*dest)*opacity)/100;
dest++;
}
}
dest_row += dest_rgn.rowstride;
}
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update((double) progress / max_progress);
}
if (the_tile != NULL) {
gimp_tile_unref(the_tile, FALSE);
the_tile = NULL;
}
gimp_drawable_flush(tileitdrawable);
gimp_drawable_merge_shadow(tileitdrawable->id, TRUE);
gimp_drawable_update(tileitdrawable->id, sel_x1, sel_y1, sel_width, sel_height);
}
/* Get the xy pos and any action */
static gint
tiles_xy(gint width,
gint height,
gint x,
gint y,
gint *nx,
gint *ny)
{
gint px,py;
gint rnum,cnum;
gint actiontype;
gdouble rnd = 1 - (1.0/(gdouble)itvals.numtiles) +0.01;
rnum = y*itvals.numtiles/height;
py = (y*itvals.numtiles)%height;
px = (x*itvals.numtiles)%width;
cnum = x*itvals.numtiles/width;
if((actiontype = tileactions[cnum][rnum]))
{
if(actiontype & HORIZONTAL)
{
gdouble pyr;
pyr = height - y - 1 + rnd;
py = ((int)(pyr*(gdouble)itvals.numtiles))%height;
}
if(actiontype & VERTICAL)
{
gdouble pxr;
pxr = width - x - 1 + rnd;
px = ((int)(pxr*(gdouble)itvals.numtiles))%width;
}
}
*nx = px;
*ny = py;
return(actiontype);
}
/* Given a row then srink it down a bit */
static void
do_tiles_preview(guchar *dest_row,
guchar *src_rows,
gint width,
gint dh,
gint height,
gint bpp)
{
gint x;
gint i;
gint px,py;
gint rnum,cnum;
gint actiontype;
gdouble rnd = 1 - (1.0/(gdouble)itvals.numtiles) +0.01;
rnum = dh*itvals.numtiles/height;
for (x = 0; x < width; x ++)
{
py = (dh*itvals.numtiles)%height;
px = (x*itvals.numtiles)%width;
cnum = x*itvals.numtiles/width;
if((actiontype = tileactions[cnum][rnum]))
{
if(actiontype & HORIZONTAL)
{
gdouble pyr;
pyr = height - dh - 1 + rnd;
py = ((int)(pyr*(gdouble)itvals.numtiles))%height;
}
if(actiontype & VERTICAL)
{
gdouble pxr;
pxr = width - x - 1 + rnd;
px = ((int)(pxr*(gdouble)itvals.numtiles))%width;
}
}
for (i = 0 ; i < bpp; i++ )
dest_row[x*tint.img_bpp+i] =
src_rows[(px + (py*width))*bpp+i];
if(has_alpha && actiontype)
dest_row[x*tint.img_bpp + (bpp - 1)] =
(dest_row[x*tint.img_bpp + (bpp - 1)]*opacity)/100;
}
}
static void
dialog_update_preview(void)
{
int y;
gint check,check_0,check_1;
for (y = 0; y < preview_height; y++) {
if ((y / CHECK_SIZE) & 1) {
check_0 = CHECK_DARK;
check_1 = CHECK_LIGHT;
} else {
check_0 = CHECK_LIGHT;
check_1 = CHECK_DARK;
}
do_tiles_preview(tint.preview_row,
tint.pv_cache,
preview_width,
y,
preview_height,
tint.img_bpp);
if(tint.img_bpp > 3)
{
int i,j;
for (i = 0, j = 0 ; i < sizeof(tint.preview_row); i += 4, j += 3 )
{
gint alphaval;
if (((i/4) / CHECK_SIZE) & 1)
check = check_0;
else
check = check_1;
alphaval = tint.preview_row[i + 3];
tint.preview_row[j] =
check + (((tint.preview_row[i] - check)*alphaval)/255);
tint.preview_row[j + 1] =
check + (((tint.preview_row[i + 1] - check)*alphaval)/255);
tint.preview_row[j + 2] =
check + (((tint.preview_row[i + 2] - check)*alphaval)/255);
}
}
gtk_preview_draw_row(GTK_PREVIEW(tint.preview), tint.preview_row, 0, y, preview_width);
}
draw_explict_sel();
gtk_widget_draw(tint.preview, NULL);
gdk_flush();
}
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