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blender-archive/source/blender/include/BSE_time.h
Joshua Leung 8b4b8d4dd2 == Preview Range ==
Preview Range is a useful tool for animating (espcially on longer timelines). It allows you to only run through a limited set of frames to quickly preview the timing of a section of movement without going through the whole timeline. It means you don't have to set/reset start/end frame for rendering everytime you wish to only preview a region of frames.

Hi Ton,

Attached is a patch (I know you've already got lots of them in the tracker ;-) ) for a feature that I've sometimes wanted. It seems that this sort of thing is supported in other packages, but I can't be sure.

Note: I may have left in a few bits and pieces I didn't mean to in the patch (this is off a source tree which had quite a few revisions in it, all of which was experimental)



== Preview Range ==
Preview range is useful for animating (espcially on longer timelines). It allows you to only run through a limited set of frames to quickly preview the timing of a section of movement without going through the whole timeline. It means you don't have to set/reset start/end frame for rendering everytime you wish to only preview a region of frames.

* 'Ctrl P' in Action/NLA/Timeline sets preview range. Click+drag to form selection-box defining region of frames to preview
* 'Alt P' in Action/NLA/Timeline to clear preview range
* 'Pre' button beside Start/End fields in timeline toggles whether start/end fields refer to scene or preview
* 'Ctrl Rightarrow' and 'Ctrl Leftarrow' jump to start/end of preview region when it is set
* 'S' and 'E' set the start/end frames of preview region when it is set (just like normally) in Timeline only
* In Action/NLA editors, frames out of preview region are now drawn darkened when preview-region is set


See the following page for more info later:
http://wiki.blender.org/index.php/User:Aligorith/Preview_Range
2007-03-19 07:32:36 +00:00

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/**
* $Id:
*
* ***** BEGIN GPL/BL DUAL 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 opt ion) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef BSE_TIME_H
#define BSE_TIME_H
struct ListBase;
struct View2D;
/* ******** Markers - General Api ********* */
void add_marker(int frame);
void duplicate_marker(void);
void remove_marker(void);
void rename_marker(void);
void transform_markers(int mode, int smode);
void borderselect_markers(void);
void deselect_markers(short test, short sel);
struct TimeMarker *find_nearest_marker(int clip_y);
void nextprev_marker(short dir);
void get_minmax_markers(short sel, float *first, float *last);
int find_nearest_marker_time(float dx);
void add_marker_to_cfra_elem(struct ListBase *lb, struct TimeMarker *marker, short only_sel);
void make_marker_cfra_list(struct ListBase *lb, short only_sel);
void draw_markers_timespace(void);
/* ******** Animation - Preview Range ************* */
void anim_previewrange_set(void);
void anim_previewrange_clear(void);
void draw_anim_preview_timespace(void);
/* *********** TimeLine Specific ***************/
void timeline_frame_to_center(void);
void nextprev_timeline_key(short dir);
#endif