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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) (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joshua Leung (full recode)
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ED_keyframes_draw.h
* \ingroup editors
*/
#ifndef __ED_KEYFRAMES_DRAW_H__
#define __ED_KEYFRAMES_DRAW_H__
struct bAnimContext;
struct AnimData;
struct FCurve;
struct bDopeSheet;
struct bAction;
struct bActionGroup;
struct Object;
struct ListBase;
struct bGPDlayer;
struct MaskLayer;
struct Scene;
struct View2D;
struct DLRBT_Tree;
/* ****************************** Base Structs ****************************** */
/* Keyframe Column Struct */
typedef struct ActKeyColumn {
/* ListBase linkage */
struct ActKeyColumn *next, *prev;
/* sorting-tree linkage */
struct ActKeyColumn *left, *right; /* 'children' of this node, less than and greater than it (respectively) */
struct ActKeyColumn *parent; /* parent of this node in the tree */
char tree_col; /* DLRB_BLACK or DLRB_RED */
/* keyframe info */
char key_type; /* eBezTripe_KeyframeType */
short sel;
float cfra;
/* only while drawing - used to determine if long-keyframe needs to be drawn */
short modified;
short totcurve;
} ActKeyColumn;
/* 'Long Keyframe' Struct */
typedef struct ActKeyBlock {
/* ListBase linkage */
struct ActKeyBlock *next, *prev;
/* sorting-tree linkage */
struct ActKeyBlock *left, *right; /* 'children' of this node, less than and greater than it (respectively) */
struct ActKeyBlock *parent; /* parent of this node in the tree */
char tree_col; /* DLRB_BLACK or DLRB_RED */
/* key-block info */
char sel;
short handle_type;
float val;
float start, end;
/* only while drawing - used to determine if block needs to be drawn */
short modified;
short totcurve;
} ActKeyBlock;
/* *********************** Keyframe Drawing ****************************** */
/* options for keyframe shape drawing */
typedef enum eKeyframeShapeDrawOpts {
/* only the border */
KEYFRAME_SHAPE_FRAME = 0,
/* only the inside filling */
KEYFRAME_SHAPE_INSIDE,
/* the whole thing */
KEYFRAME_SHAPE_BOTH
} eKeyframeShapeDrawOpts;
/* draw simple diamond-shape keyframe (with OpenGL) */
void draw_keyframe_shape(float x, float y, float xscale, float hsize, short sel, short key_type, short mode, float alpha);
/* ******************************* Methods ****************************** */
/* Channel Drawing ------------------ */
/* F-Curve */
void draw_fcurve_channel(struct View2D *v2d, struct AnimData *adt, struct FCurve *fcu, float ypos);
/* Action Group Summary */
void draw_agroup_channel(struct View2D *v2d, struct AnimData *adt, struct bActionGroup *agrp, float ypos);
/* Action Summary */
void draw_action_channel(struct View2D *v2d, struct AnimData *adt, struct bAction *act, float ypos);
/* Object Summary */
void draw_object_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Object *ob, float ypos);
/* Scene Summary */
void draw_scene_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Scene *sce, float ypos);
/* DopeSheet Summary */
void draw_summary_channel(struct View2D *v2d, struct bAnimContext *ac, float ypos);
/* Grease Pencil datablock summary */
void draw_gpencil_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPdata *gpd, float ypos);
/* Grease Pencil Layer */
void draw_gpl_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPDlayer *gpl, float ypos);
/* Mask Layer */
void draw_masklay_channel(struct View2D *v2d, struct bDopeSheet *ads, struct MaskLayer *masklay, float ypos);
/* Keydata Generation --------------- */
/* F-Curve */
void fcurve_to_keylist(struct AnimData *adt, struct FCurve *fcu, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* Action Group */
void agroup_to_keylist(struct AnimData *adt, struct bActionGroup *agrp, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* Action */
void action_to_keylist(struct AnimData *adt, struct bAction *act, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* Object */
void ob_to_keylist(struct bDopeSheet *ads, struct Object *ob, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* Scene */
void scene_to_keylist(struct bDopeSheet *ads, struct Scene *sce, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* DopeSheet Summary */
void summary_to_keylist(struct bAnimContext *ac, struct DLRBT_Tree *keys, struct DLRBT_Tree *blocks);
/* Grease Pencil datablock summary */
void gpencil_to_keylist(struct bDopeSheet *ads, struct bGPdata *gpd, struct DLRBT_Tree *keys);
/* Grease Pencil Layer */
void gpl_to_keylist(struct bDopeSheet *ads, struct bGPDlayer *gpl, struct DLRBT_Tree *keys);
/* Mask */
void mask_to_keylist(struct bDopeSheet *UNUSED(ads), struct MaskLayer *masklay, struct DLRBT_Tree *keys);
/* ActKeyColumn API ---------------- */
/* Comparator callback used for ActKeyColumns and cframe float-value pointer */
short compare_ak_cfraPtr(void *node, void *data);
/* Comparator callback used for ActKeyBlocks and cframe float-value pointer */
short compare_ab_cfraPtr(void *node, void *data);
/* Checks if ActKeyBlock can be used (i.e. drawn/used to detect "holds") */
bool actkeyblock_is_valid(ActKeyBlock *ab, struct DLRBT_Tree *keys);
#endif /* __ED_KEYFRAMES_DRAW_H__ */
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