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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008, Blender Foundation
* This is a new part of Blender
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mask/mask_editaction.c
* \ingroup edgpencil
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "DNA_mask_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_fcurve.h"
#include "BKE_mask.h"
#include "ED_anim_api.h"
#include "ED_keyframes_edit.h"
/* ***************************************** */
/* NOTE ABOUT THIS FILE:
* This file contains code for editing Grease Pencil data in the Action Editor
* as a 'keyframes', so that a user can adjust the timing of Grease Pencil drawings.
* Therefore, this file mostly contains functions for selecting Grease-Pencil frames.
*/
/* ***************************************** */
/* Generics - Loopers */
/* Loops over the gp-frames for a gp-layer, and applies the given callback */
short ED_masklayer_frames_looper(MaskLayer *masklay, Scene *scene, short (*masklay_shape_cb)(MaskLayerShape *, Scene *))
{
MaskLayerShape *masklay_shape;
/* error checker */
if (masklay == NULL)
return 0;
/* do loop */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
/* execute callback */
if (masklay_shape_cb(masklay_shape, scene))
return 1;
}
/* nothing to return */
return 0;
}
/* ****************************************** */
/* Data Conversion Tools */
/* make a listing all the gp-frames in a layer as cfraelems */
void ED_masklayer_make_cfra_list(MaskLayer *masklay, ListBase *elems, short onlysel)
{
MaskLayerShape *masklay_shape;
CfraElem *ce;
/* error checking */
if (ELEM(NULL, masklay, elems))
return;
/* loop through gp-frames, adding */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
if ((onlysel == 0) || (masklay_shape->flag & MASK_SHAPE_SELECT)) {
ce = MEM_callocN(sizeof(CfraElem), "CfraElem");
ce->cfra = (float)masklay_shape->frame;
ce->sel = (masklay_shape->flag & MASK_SHAPE_SELECT) ? 1 : 0;
BLI_addtail(elems, ce);
}
}
}
/* ***************************************** */
/* Selection Tools */
/* check if one of the frames in this layer is selected */
short ED_masklayer_frame_select_check(MaskLayer *masklay)
{
MaskLayerShape *masklay_shape;
/* error checking */
if (masklay == NULL)
return 0;
/* stop at the first one found */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
if (masklay_shape->flag & MASK_SHAPE_SELECT)
return 1;
}
/* not found */
return 0;
}
/* helper function - select gp-frame based on SELECT_* mode */
static void masklayshape_select(MaskLayerShape *masklay_shape, short select_mode)
{
if (masklay_shape == NULL)
return;
switch (select_mode) {
case SELECT_ADD:
masklay_shape->flag |= MASK_SHAPE_SELECT;
break;
case SELECT_SUBTRACT:
masklay_shape->flag &= ~MASK_SHAPE_SELECT;
break;
case SELECT_INVERT:
masklay_shape->flag ^= MASK_SHAPE_SELECT;
break;
}
}
/* set all/none/invert select (like above, but with SELECT_* modes) */
void ED_mask_select_frames(MaskLayer *masklay, short select_mode)
{
MaskLayerShape *masklay_shape;
/* error checking */
if (masklay == NULL)
return;
/* handle according to mode */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
masklayshape_select(masklay_shape, select_mode);
}
}
/* set all/none/invert select */
void ED_masklayer_frame_select_set(MaskLayer *masklay, short mode)
{
/* error checking */
if (masklay == NULL)
return;
/* now call the standard function */
ED_mask_select_frames(masklay, mode);
}
/* select the frame in this layer that occurs on this frame (there should only be one at most) */
void ED_mask_select_frame(MaskLayer *masklay, int selx, short select_mode)
{
MaskLayerShape *masklay_shape;
if (masklay == NULL)
return;
/* search through frames for a match */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
/* there should only be one frame with this frame-number */
if (masklay_shape->frame == selx) {
masklayshape_select(masklay_shape, select_mode);
break;
}
}
}
/* select the frames in this layer that occur within the bounds specified */
void ED_masklayer_frames_select_border(MaskLayer *masklay, float min, float max, short select_mode)
{
MaskLayerShape *masklay_shape;
if (masklay == NULL)
return;
/* only select those frames which are in bounds */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape->next) {
if (IN_RANGE(masklay_shape->frame, min, max))
masklayshape_select(masklay_shape, select_mode);
}
}
/* ***************************************** */
/* Frame Editing Tools */
/* Delete selected frames */
void ED_masklayer_frames_delete(MaskLayer *masklay)
{
MaskLayerShape *masklay_shape, *masklay_shape_next;
/* error checking */
if (masklay == NULL)
return;
/* check for frames to delete */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = masklay_shape_next) {
masklay_shape_next = masklay_shape->next;
if (masklay_shape->flag & MASK_SHAPE_SELECT)
BKE_mask_layer_shape_unlink(masklay, masklay_shape);
}
}
/* Duplicate selected frames from given gp-layer */
void ED_masklayer_frames_duplicate(MaskLayer *masklay)
{
MaskLayerShape *masklay_shape, *gpfn;
/* error checking */
if (masklay == NULL)
return;
/* duplicate selected frames */
for (masklay_shape = masklay->splines_shapes.first; masklay_shape; masklay_shape = gpfn) {
gpfn = masklay_shape->next;
/* duplicate this frame */
if (masklay_shape->flag & MASK_SHAPE_SELECT) {
MaskLayerShape *mask_shape_dupe;
/* duplicate frame, and deselect self */
mask_shape_dupe = BKE_mask_layer_shape_duplicate(masklay_shape);
masklay_shape->flag &= ~MASK_SHAPE_SELECT;
// XXX - how to handle duplicate frames?
BLI_insertlinkafter(&masklay->splines_shapes, masklay_shape, mask_shape_dupe);
}
}
}
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