mirror of https://github.com/GNOME/gimp.git
268 lines
6.6 KiB
C
268 lines
6.6 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include "gdk/gdkkeysyms.h"
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#include "appenv.h"
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#include "cursorutil.h"
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#include "drawable.h"
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#include "flip_tool.h"
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#include "gdisplay.h"
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#include "gimage_mask.h"
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#include "temp_buf.h"
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#include "tool_options_ui.h"
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#include "transform_core.h"
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#include "undo.h"
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#include "gimage.h"
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#include "libgimp/gimpintl.h"
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#include "tile_manager_pvt.h" /* ick. */
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#define FLIP_INFO 0
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/* the flip structures */
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typedef struct _FlipOptions FlipOptions;
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struct _FlipOptions
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{
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ToolOptions tool_options;
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ToolType type;
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ToolType type_d;
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GtkWidget *type_w[2];
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};
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static FlipOptions *flip_options = NULL;
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/* functions */
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static void
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flip_options_reset (void)
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{
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FlipOptions *options = flip_options;
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->type_w[options->type_d]), TRUE);
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}
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static FlipOptions *
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flip_options_new (void)
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{
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FlipOptions *options;
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GtkWidget *vbox;
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GtkWidget *frame;
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gchar* type_label[2] = { N_("Horizontal"), N_("Vertical") };
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gint type_value[2] = { FLIP_HORZ, FLIP_VERT };
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/* the new flip tool options structure */
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options = (FlipOptions *) g_malloc (sizeof (FlipOptions));
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tool_options_init ((ToolOptions *) options,
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N_("Flip Tool Options"),
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flip_options_reset);
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options->type = options->type_d = FLIP_HORZ;
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/* the main vbox */
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vbox = options->tool_options.main_vbox;
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/* tool toggle */
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frame = tool_options_radio_buttons_new (N_("Tool Toggle"),
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&options->type,
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options->type_w,
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type_label,
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type_value,
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2);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->type_w[options->type_d]), TRUE);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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return options;
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}
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static void
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flip_modifier_key_func (Tool *tool,
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GdkEventKey *kevent,
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gpointer gdisp_ptr)
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{
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switch (kevent->keyval)
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{
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case GDK_Alt_L: case GDK_Alt_R:
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break;
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case GDK_Shift_L: case GDK_Shift_R:
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break;
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case GDK_Control_L: case GDK_Control_R:
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if (flip_options->type == FLIP_HORZ)
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flip_options->type_w[FLIP_VERT]), TRUE);
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else
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flip_options->type_w[FLIP_HORZ]), TRUE);
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break;
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}
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}
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void *
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flip_tool_transform (Tool *tool,
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gpointer gdisp_ptr,
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int state)
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{
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TransformCore * transform_core;
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GDisplay *gdisp;
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transform_core = (TransformCore *) tool->private;
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gdisp = (GDisplay *) gdisp_ptr;
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switch (state)
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{
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case INIT :
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transform_info = NULL;
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break;
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case MOTION :
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break;
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case RECALC :
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break;
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case FINISH :
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/* transform_core->trans_info[FLIP] *= -1.0;*/
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return flip_tool_flip (gdisp->gimage, gimage_active_drawable (gdisp->gimage),
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transform_core->original, transform_core->trans_info[FLIP],
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flip_options->type);
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break;
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}
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return NULL;
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}
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static void
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flip_cursor_update (Tool *tool,
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GdkEventMotion *mevent,
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gpointer gdisp_ptr)
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{
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GDisplay *gdisp;
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Layer *layer;
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GdkCursorType ctype = GDK_TOP_LEFT_ARROW;
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gdisp = (GDisplay *) gdisp_ptr;
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if ((layer = gimage_get_active_layer (gdisp->gimage)))
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{
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int x, y, off_x, off_y;
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drawable_offsets (GIMP_DRAWABLE(layer), &off_x, &off_y);
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gdisplay_untransform_coords (gdisp, (double) mevent->x,
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(double) mevent->y,
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&x, &y, TRUE, FALSE);
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if (x >= off_x && y >= off_y &&
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x < (off_x + drawable_width (GIMP_DRAWABLE(layer))) &&
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y < (off_y + drawable_height (GIMP_DRAWABLE(layer))))
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{
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/* Is there a selected region? If so, is cursor inside? */
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if (gimage_mask_is_empty (gdisp->gimage) || gimage_mask_value (gdisp->gimage, x, y))
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{
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if (flip_options->type == FLIP_HORZ)
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ctype = GDK_SB_H_DOUBLE_ARROW;
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else
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ctype = GDK_SB_V_DOUBLE_ARROW;
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}
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}
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}
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gdisplay_install_tool_cursor (gdisp, ctype);
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}
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Tool *
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tools_new_flip ()
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{
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Tool * tool;
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TransformCore * private;
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/* The tool options */
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if (! flip_options)
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{
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flip_options = flip_options_new ();
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tools_register (FLIP, (ToolOptions *) flip_options);
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}
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tool = transform_core_new (FLIP, NON_INTERACTIVE);
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private = tool->private;
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private->trans_func = flip_tool_transform;
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tool->modifier_key_func = flip_modifier_key_func;
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tool->cursor_update_func = flip_cursor_update;
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private->trans_info[FLIP_INFO] = -1.0;
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return tool;
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}
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void
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tools_free_flip_tool (Tool *tool)
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{
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transform_core_free (tool);
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}
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TileManager *
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flip_tool_flip (GImage *gimage,
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GimpDrawable *drawable,
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TileManager *orig,
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int flip,
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FlipType type)
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{
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TileManager *new;
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PixelRegion srcPR, destPR;
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int i;
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if (!orig)
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return NULL;
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if (flip > 0)
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{
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new = tile_manager_new (orig->width, orig->height, orig->bpp);
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pixel_region_init (&srcPR, orig, 0, 0, orig->width, orig->height, FALSE);
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pixel_region_init (&destPR, new, 0, 0, orig->width, orig->height, TRUE);
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copy_region (&srcPR, &destPR);
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new->x = orig->x;
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new->y = orig->y;
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}
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else
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{
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new = tile_manager_new (orig->width, orig->height, orig->bpp);
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new->x = orig->x;
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new->y = orig->y;
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if (type == FLIP_HORZ)
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for (i = 0; i < orig->width; i++)
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{
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pixel_region_init (&srcPR, orig, i, 0, 1, orig->height, FALSE);
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pixel_region_init (&destPR, new, (orig->width - i - 1), 0, 1, orig->height, TRUE);
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copy_region (&srcPR, &destPR);
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}
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else
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for (i = 0; i < orig->height; i++)
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{
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pixel_region_init (&srcPR, orig, 0, i, orig->width, 1, FALSE);
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pixel_region_init (&destPR, new, 0, (orig->height - i - 1), orig->width, 1, TRUE);
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copy_region (&srcPR, &destPR);
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}
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}
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return new;
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}
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