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Gimp/plug-ins/common/align_layers.c
Michael Natterer b10adabb5e Added parent window API to the GimpProgress interface and to the libgimp 
2005-09-09  Michael Natterer  <mitch@gimp.org>

	Added parent window API to the GimpProgress interface and to
	the libgimp progress stuff. Might look strange, but does
	the right thing in almost all cases (image window, file dialog,
	script-fu dialog etc). Fixes bug #62988.

	* app/core/gimpprogress.[ch]: added GimpProgress::get_window()
	which should return a toplevel window ID if the progress is in a
	window that wants to be the transient parent of plug-in dialogs.

	* app/widgets/gimpwidgets-utils.[ch] (gimp_window_get_native): new
	function which returns the window handle of a GtkWindow's GdkWindow.

	* app/widgets/gimpfiledialog.c: implement ::get_window().

	* app/display/gimpdisplay.[ch]: ditto. Removed window handle API.

	* app/gui/gui-vtable.c: changed accordingly.

	* libgimpbase/gimpbaseenums.[ch] (enum GimpProgressCommand):
	added GIMP_PROGRESS_COMMAND_GET_WINDOW.

	* app/plug-in/plug-in-progress.[ch] (plug_in_progress_get_window):
	new function. Also renamed some functions to match the
	GimpProgress interface, and not the legacy PDB procedure names.

	* tools/pdbgen/pdb/progress.pdb
	* app/core/gimppdbprogress.c: implement get_window() on both
	sides of the wire, keeping backward compatibility (hopefully).

	* libgimp/gimpprogress.[ch]: deprecated gimp_progress_install()
	and added gimp_progress_install_vtable() which takes a vtable with
	padding to be extensible. Added get_window() vtable entry and
	dispatch it accordingly. Also added pulse() which was implemented
	in a hackish way before. Everything is of course backward
	compatible.

	* libgimp/gimpprogressbar.c: inmplement the get_window() stuff
	so a plug-in dialog containing a progress can be the transient
	parent of another dialog in another plug-in.

	* libgimp/gimpui.[ch] (gimp_ui_get_progress_window): new function
	which returns a foreign GdkWindow of this plug-ins progress
	window.

	Renamed gimp_window_set_transient_for_default_display() to
	gimp_window_set_transient() and make it use the progress' window
	handle instead of the display's (which is the right thing to do in
	almost all cases).

	* libgimp/gimp.def
	* libgimp/gimpui.def: add the new functions.

	* tools/pdbgen/enums.pl
	* app/pdb/internal_procs.c
	* app/pdb/progress_cmds.c
	* libgimp/gimpprogress_pdb.[ch]: regenerated.

	* libgimp/gimpexport.c
	* plug-ins/*/*.c: follow API change.
2005-09-09 18:07:31 +00:00

519 lines
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/* align_layers.c
* Author: Shuji Narazaki <narazaki@InetQ.or.jp>
* Version: 0.26
*
* Copyright (C) 1997-1998 Shuji Narazaki <narazaki@InetQ.or.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-align-layers"
#define PLUG_IN_BINARY "align_layers"
#define SCALE_WIDTH 150
enum
{
H_NONE,
H_COLLECT,
LEFT2RIGHT,
RIGHT2LEFT,
SNAP2HGRID
};
enum
{
H_BASE_LEFT,
H_BASE_CENTER,
H_BASE_RIGHT
};
enum
{
V_NONE,
V_COLLECT,
TOP2BOTTOM,
BOTTOM2TOP,
SNAP2VGRID
};
enum
{
V_BASE_TOP,
V_BASE_CENTER,
V_BASE_BOTTOM
};
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static GimpPDBStatusType align_layers (gint32 image_id);
static void align_layers_get_align_offsets (gint32 drawable_id,
gint *x,
gint *y);
static gint align_layers_dialog (void);
GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
/* dialog variables */
typedef struct
{
gint h_style;
gint h_base;
gint v_style;
gint v_base;
gboolean ignore_bottom;
gboolean base_is_bottom_layer;
gint grid_size;
} ValueType;
static ValueType VALS =
{
H_NONE,
H_BASE_LEFT,
V_NONE,
V_BASE_TOP,
TRUE,
FALSE,
10
};
MAIN ()
static void
query (void)
{
static GimpParamDef args [] =
{
{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive"},
{ GIMP_PDB_IMAGE, "image", "Input image"},
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable (not used)"},
{ GIMP_PDB_INT32, "link-after-alignment", "Link the visible layers after alignment"},
{ GIMP_PDB_INT32, "use-bottom", "use the bottom layer as the base of alignment"}
};
gimp_install_procedure (PLUG_IN_PROC,
"Align visible layers",
"Align visible layers",
"Shuji Narazaki <narazaki@InetQ.or.jp>",
"Shuji Narazaki",
"1997",
N_("Align _Visible Layers..."),
"RGB*,GRAY*,INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Layer");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_EXECUTION_ERROR;
GimpRunMode run_mode;
gint image_id, layer_num;
run_mode = param[0].data.d_int32;
image_id = param[1].data.d_int32;
INIT_I18N ();
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
switch ( run_mode )
{
case GIMP_RUN_INTERACTIVE:
gimp_image_get_layers (image_id, &layer_num);
if (layer_num < 2)
{
g_message (_("There are not enough layers to align."));
return;
}
gimp_get_data (PLUG_IN_PROC, &VALS);
if (! align_layers_dialog ())
return;
break;
case GIMP_RUN_NONINTERACTIVE:
break;
case GIMP_RUN_WITH_LAST_VALS:
gimp_get_data (PLUG_IN_PROC, &VALS);
break;
}
status = align_layers (image_id);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
if (run_mode == GIMP_RUN_INTERACTIVE && status == GIMP_PDB_SUCCESS)
gimp_set_data (PLUG_IN_PROC, &VALS, sizeof (ValueType));
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
}
static GimpPDBStatusType
align_layers (gint32 image_id)
{
gint layer_num = 0;
gint visible_layer_num = 0;
gint *layers = NULL;
gint index;
gint vindex;
gint step_x = 0;
gint step_y = 0;
gint x = 0;
gint y = 0;
gint orig_x = 0;
gint orig_y = 0;
gint offset_x = 0;
gint offset_y = 0;
gint base_x = 0;
gint base_y = 0;
gint bg_index = 0;
layers = gimp_image_get_layers (image_id, &layer_num);
bg_index = layer_num - 1;
for (index = 0; index < layer_num; index++)
{
if (gimp_drawable_get_visible (layers[index]))
visible_layer_num++;
}
if (VALS.ignore_bottom)
{
layer_num--;
if (gimp_drawable_get_visible (layers[bg_index]))
visible_layer_num--;
}
if (0 < visible_layer_num)
{
gint min_x = G_MAXINT;
gint min_y = G_MAXINT;
gint max_x = G_MININT;
gint max_y = G_MININT;
/* 0 is the top layer */
for (index = 0; index < layer_num; index++)
{
if (gimp_drawable_get_visible (layers[index]))
{
gimp_drawable_offsets (layers[index], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[index], &offset_x,
&offset_y);
orig_x += offset_x;
orig_y += offset_y;
if ( orig_x < min_x ) min_x = orig_x;
if ( max_x < orig_x ) max_x = orig_x;
if ( orig_y < min_y ) min_y = orig_y;
if ( max_y < orig_y ) max_y = orig_y;
}
}
if (VALS.base_is_bottom_layer)
{
gimp_drawable_offsets (layers[bg_index], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[bg_index], &offset_x,
&offset_y);
orig_x += offset_x;
orig_y += offset_y;
base_x = min_x = orig_x;
base_y = min_y = orig_y;
}
if (visible_layer_num > 1)
{
step_x = (max_x - min_x) / (visible_layer_num - 1);
step_y = (max_y - min_y) / (visible_layer_num - 1);
}
if ( (VALS.h_style == LEFT2RIGHT) || (VALS.h_style == RIGHT2LEFT))
base_x = min_x;
if ( (VALS.v_style == TOP2BOTTOM) || (VALS.v_style == BOTTOM2TOP))
base_y = min_y;
}
gimp_image_undo_group_start (image_id);
for (vindex = -1, index = 0; index < layer_num; index++)
{
if (gimp_drawable_get_visible (layers[index]))
vindex++;
else
continue;
gimp_drawable_offsets (layers[index], &orig_x, &orig_y);
align_layers_get_align_offsets (layers[index], &offset_x, &offset_y);
switch (VALS.h_style)
{
case H_NONE:
x = orig_x;
break;
case H_COLLECT:
x = base_x - offset_x;
break;
case LEFT2RIGHT:
x = (base_x + vindex * step_x) - offset_x;
break;
case RIGHT2LEFT:
x = (base_x + (visible_layer_num - vindex - 1) * step_x) - offset_x;
break;
case SNAP2HGRID:
x = VALS.grid_size
* (int) ((orig_x + offset_x + VALS.grid_size /2) / VALS.grid_size)
- offset_x;
break;
}
switch (VALS.v_style)
{
case V_NONE:
y = orig_y;
break;
case V_COLLECT:
y = base_y - offset_y;
break;
case TOP2BOTTOM:
y = (base_y + vindex * step_y) - offset_y;
break;
case BOTTOM2TOP:
y = (base_y + (visible_layer_num - vindex - 1) * step_y) - offset_y;
break;
case SNAP2VGRID:
y = VALS.grid_size
* (int) ((orig_y + offset_y + VALS.grid_size / 2) / VALS.grid_size)
- offset_y;
break;
}
gimp_layer_set_offsets (layers[index], x, y);
}
gimp_image_undo_group_end (image_id);
return GIMP_PDB_SUCCESS;
}
static void
align_layers_get_align_offsets (gint32 drawable_id,
gint *x,
gint *y)
{
GimpDrawable *layer = gimp_drawable_get (drawable_id);
switch (VALS.h_base)
{
case H_BASE_LEFT:
*x = 0;
break;
case H_BASE_CENTER:
*x = layer->width / 2;
break;
case H_BASE_RIGHT:
*x = layer->width;
break;
default:
*x = 0;
break;
}
switch (VALS.v_base)
{
case V_BASE_TOP:
*y = 0;
break;
case V_BASE_CENTER:
*y = layer->height / 2;
break;
case V_BASE_BOTTOM:
*y = layer->height;
break;
default:
*y = 0;
break;
}
gimp_drawable_detach (layer);
}
static int
align_layers_dialog (void)
{
GtkWidget *dialog;
GtkWidget *table;
GtkWidget *combo;
GtkWidget *toggle;
GtkObject *adj;
gboolean run;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
dialog = gimp_dialog_new (_("Align Visible Layers"), PLUG_IN_BINARY,
NULL, 0,
gimp_standard_help_func, PLUG_IN_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));
table = gtk_table_new (7, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), table,
FALSE, FALSE, 0);
gtk_widget_show (table);
combo = gimp_int_combo_box_new (_("None"), H_NONE,
_("Collect"), H_COLLECT,
_("Fill (left to right)"), LEFT2RIGHT,
_("Fill (right to left)"), RIGHT2LEFT,
_("Snap to grid"), SNAP2HGRID,
NULL);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo), VALS.h_style);
g_signal_connect (combo, "changed",
G_CALLBACK (gimp_int_combo_box_get_active),
&VALS.h_style);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("_Horizontal style:"), 0.0, 0.5,
combo, 2, FALSE);
combo = gimp_int_combo_box_new (_("Left edge"), H_BASE_LEFT,
_("Center"), H_BASE_CENTER,
_("Right edge"), H_BASE_RIGHT,
NULL);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo), VALS.h_base);
g_signal_connect (combo, "changed",
G_CALLBACK (gimp_int_combo_box_get_active),
&VALS.h_base);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Ho_rizontal base:"), 0.0, 0.5,
combo, 2, FALSE);
combo = gimp_int_combo_box_new (_("None"), V_NONE,
_("Collect"), V_COLLECT,
_("Fill (top to bottom)"), TOP2BOTTOM,
_("Fill (bottom to top)"), BOTTOM2TOP,
_("Snap to grid"), SNAP2VGRID,
NULL);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo), VALS.v_style);
g_signal_connect (combo, "changed",
G_CALLBACK (gimp_int_combo_box_get_active),
&VALS.v_style);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("_Vertical style:"), 0.0, 0.5,
combo, 2, FALSE);
combo = gimp_int_combo_box_new (_("Top edge"), V_BASE_TOP,
_("Center"), V_BASE_CENTER,
_("Bottom edge"), V_BASE_BOTTOM,
NULL);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo), VALS.v_base);
g_signal_connect (combo, "changed",
G_CALLBACK (gimp_int_combo_box_get_active),
&VALS.v_base);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 3,
_("Ver_tical base:"), 0.0, 0.5,
combo, 2, FALSE);
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 4,
_("_Grid size:"), SCALE_WIDTH, 0,
VALS.grid_size, 0, 200, 1, 10, 0,
TRUE, 0, 0,
NULL, NULL);
g_signal_connect (adj, "value-changed",
G_CALLBACK (gimp_int_adjustment_update),
&VALS.grid_size);
toggle = gtk_check_button_new_with_mnemonic
(_("_Ignore the bottom layer even if visible"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), VALS.ignore_bottom);
gtk_table_attach_defaults (GTK_TABLE (table), toggle, 0, 3, 5, 6);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&VALS.ignore_bottom);
toggle = gtk_check_button_new_with_mnemonic
(_("_Use the (invisible) bottom layer as the base"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
VALS.base_is_bottom_layer);
gtk_table_attach_defaults (GTK_TABLE (table), toggle, 0, 3, 6, 7);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&VALS.base_is_bottom_layer);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
return run;
}
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