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gimp/app/tools/gimpfliptool.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpdrawable.h"
#include "core/gimpdrawable-transform.h"
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "core/gimptoolinfo.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "gimpfliptool.h"
#include "tool_options.h"
#include "path_transform.h"
#include "libgimp/gimpintl.h"
/* FIXME: Lame - 1 hacks abound since the code assumes certain values for
* the ORIENTATION_FOO constants.
*/
typedef struct _FlipOptions FlipOptions;
struct _FlipOptions
{
GimpToolOptions tool_options;
InternalOrientationType type;
InternalOrientationType type_d;
GtkWidget *type_w[2];
};
/* local function prototypes */
static void gimp_flip_tool_class_init (GimpFlipToolClass *klass);
static void gimp_flip_tool_init (GimpFlipTool *flip_tool);
static void gimp_flip_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_flip_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static TileManager * gimp_flip_tool_transform (GimpTransformTool *tool,
GimpDisplay *gdisp,
TransformState state);
static GimpToolOptions * flip_options_new (GimpToolInfo *tool_info);
static void flip_options_reset (GimpToolOptions *tool_options);
static GimpTransformToolClass *parent_class = NULL;
/* public functions */
void
gimp_flip_tool_register (Gimp *gimp,
GimpToolRegisterCallback callback)
{
(* callback) (gimp,
GIMP_TYPE_FLIP_TOOL,
flip_options_new,
FALSE,
"gimp:flip_tool",
_("Flip Tool"),
_("Flip the layer or selection"),
N_("/Tools/Transform Tools/Flip"), "<shift>F",
NULL, "tools/flip.html",
GIMP_STOCK_TOOL_FLIP);
}
GType
gimp_flip_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpFlipToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_flip_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpFlipTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_flip_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_TRANSFORM_TOOL,
"GimpFlipTool",
&tool_info, 0);
}
return tool_type;
}
/* private functions */
static void
gimp_flip_tool_class_init (GimpFlipToolClass *klass)
{
GimpToolClass *tool_class;
GimpDrawToolClass *draw_class;
GimpTransformToolClass *trans_class;
tool_class = GIMP_TOOL_CLASS (klass);
draw_class = GIMP_DRAW_TOOL_CLASS (klass);
trans_class = GIMP_TRANSFORM_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->modifier_key = gimp_flip_tool_modifier_key;
tool_class->cursor_update = gimp_flip_tool_cursor_update;
draw_class->draw = NULL;
trans_class->transform = gimp_flip_tool_transform;
}
static void
gimp_flip_tool_init (GimpFlipTool *flip_tool)
{
GimpTool *tool;
GimpTransformTool *transform_tool;
tool = GIMP_TOOL (flip_tool);
transform_tool = GIMP_TRANSFORM_TOOL (flip_tool);
tool->tool_cursor = GIMP_FLIP_HORIZONTAL_TOOL_CURSOR;
tool->toggle_cursor = GIMP_FLIP_VERTICAL_TOOL_CURSOR;
tool->auto_snap_to = FALSE; /* Don't snap to guides */
transform_tool->use_grid = FALSE;
}
static void
gimp_flip_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
FlipOptions *options;
options = (FlipOptions *) tool->tool_info->tool_options;
if (key == GDK_CONTROL_MASK)
{
switch (options->type)
{
case ORIENTATION_HORIZONTAL:
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (options->type_w[ORIENTATION_VERTICAL - 1]),
TRUE);
break;
case ORIENTATION_VERTICAL:
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (options->type_w[ORIENTATION_HORIZONTAL - 1]),
TRUE);
break;
default:
break;
}
}
}
static void
gimp_flip_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpDisplayShell *shell;
GimpDrawable *drawable;
GdkCursorType ctype = GIMP_BAD_CURSOR;
GimpToolCursorType tool_cursor = GIMP_FLIP_HORIZONTAL_TOOL_CURSOR;
FlipOptions *options;
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
options = (FlipOptions *) tool->tool_info->tool_options;
if ((drawable = gimp_image_active_drawable (gdisp->gimage)))
{
gint off_x, off_y;
gimp_drawable_offsets (drawable, &off_x, &off_y);
if (coords->x >= off_x &&
coords->y >= off_y &&
coords->x < (off_x + gimp_drawable_width (drawable)) &&
coords->y < (off_y + gimp_drawable_height (drawable)))
{
/* Is there a selected region? If so, is cursor inside? */
if (gimage_mask_is_empty (gdisp->gimage) ||
gimage_mask_value (gdisp->gimage, coords->x, coords->y))
{
if (options->type == ORIENTATION_HORIZONTAL)
ctype = GDK_SB_H_DOUBLE_ARROW;
else
ctype = GDK_SB_V_DOUBLE_ARROW;
}
}
}
if (options->type == ORIENTATION_HORIZONTAL)
tool_cursor = GIMP_FLIP_HORIZONTAL_TOOL_CURSOR;
else
tool_cursor = GIMP_FLIP_VERTICAL_TOOL_CURSOR;
gimp_display_shell_install_tool_cursor (shell,
ctype,
tool_cursor,
GIMP_CURSOR_MODIFIER_NONE);
}
static TileManager *
gimp_flip_tool_transform (GimpTransformTool *trans_tool,
GimpDisplay *gdisp,
TransformState state)
{
FlipOptions *options;
options = (FlipOptions *) GIMP_TOOL (trans_tool)->tool_info->tool_options;
switch (state)
{
case TRANSFORM_INIT:
transform_info = NULL;
break;
case TRANSFORM_MOTION:
break;
case TRANSFORM_RECALC:
break;
case TRANSFORM_FINISH:
return gimp_drawable_transform_tiles_flip (gimp_image_active_drawable (gdisp->gimage),
trans_tool->original,
options->type);
break;
}
return NULL;
}
/* tool options stuff */
static GimpToolOptions *
flip_options_new (GimpToolInfo *tool_info)
{
FlipOptions *options;
GtkWidget *vbox;
GtkWidget *frame;
options = g_new0 (FlipOptions, 1);
tool_options_init ((GimpToolOptions *) options, tool_info);
((GimpToolOptions *) options)->reset_func = flip_options_reset;
options->type = options->type_d = ORIENTATION_HORIZONTAL;
/* the main vbox */
vbox = options->tool_options.main_vbox;
/* tool toggle */
frame = gimp_radio_group_new2 (TRUE, _("Tool Toggle"),
G_CALLBACK (gimp_radio_button_update),
&options->type,
GINT_TO_POINTER (options->type),
_("Horizontal"),
GINT_TO_POINTER (ORIENTATION_HORIZONTAL),
&options->type_w[0],
_("Vertical"),
GINT_TO_POINTER (ORIENTATION_VERTICAL),
&options->type_w[1],
NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
return (GimpToolOptions *) options;
}
static void
flip_options_reset (GimpToolOptions *tool_options)
{
FlipOptions *options;
options = (FlipOptions *) tool_options;
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (options->type_w[options->type_d - 1]), TRUE);
}
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