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/**
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include <stdio.h>
#include "DNA_action_types.h"
#include "DNA_curve_types.h"
#include "DNA_ipo_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BKE_action.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_ipo.h"
#include "BKE_object.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "ED_anim_api.h"
#include "ED_util.h"
#include "WM_api.h"
#include "WM_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_text.h"
#include "UI_view2d.h"
/* XXX */
extern void ui_rasterpos_safe(float x, float y, float aspect);
/* *************************************************** */
/* CURRENT FRAME DRAWING */
/* Draw current frame number in a little green box beside the current frame indicator */
static void draw_cfra_number (Scene *scene, View2D *v2d, float cfra, short time)
{
float xscale, yscale, x, y;
char str[32];
short slen;
/* because the frame number text is subject to the same scaling as the contents of the view */
UI_view2d_getscale(v2d, &xscale, &yscale);
glScalef(1.0f/xscale, 1.0f, 1.0f);
if (time)
sprintf(str, " %.2f", FRA2TIME(CFRA));
else
sprintf(str, " %d", CFRA);
slen= (short)UI_GetStringWidth(G.font, str, 0) - 1;
/* get starting coordinates for drawing */
x= cfra * xscale;
y= 18;
/* draw green box around/behind text */
UI_ThemeColorShadeAlpha(TH_CFRAME, 0, -100);
glRectf(x, y, x+slen, y+15);
/* draw current frame number - black text */
UI_ThemeColor(TH_TEXT);
ui_rasterpos_safe(x-5, y+3, 1.0f);
UI_DrawString(G.fonts, str, 0); // XXX may need to be updated for font stuff
/* restore view transform */
glScalef(xscale, 1.0, 1.0);
}
/* General call for drawing current frame indicator in a */
void ANIM_draw_cfra (const bContext *C, View2D *v2d, short flag)
{
Scene *scene= CTX_data_scene(C);
float vec[2];
/* Draw a light green line to indicate current frame */
vec[0]= (float)(scene->r.cfra * scene->r.framelen);
UI_ThemeColor(TH_CFRAME);
glLineWidth(2.0);
glBegin(GL_LINE_STRIP);
vec[1]= v2d->cur.ymin;
glVertex2fv(vec);
vec[1]= v2d->cur.ymax;
glVertex2fv(vec);
glEnd();
/* Draw dark green line if slow-parenting/time-offset is enabled */
if (flag & DRAWCFRA_SHOW_TIMEOFS) {
Object *ob= (scene->basact) ? (scene->basact->object) : 0;
if ((ob) && (ob->ipoflag & OB_OFFS_OB) && (give_timeoffset(ob)!=0.0)) {
vec[0]-= give_timeoffset(ob); /* could avoid calling twice */
UI_ThemeColorShade(TH_CFRAME, -30);
glBegin(GL_LINE_STRIP);
/*vec[1]= v2d->cur.ymax;*/ // this is set already. this line is only included
glVertex2fv(vec);
vec[1]= v2d->cur.ymin;
glVertex2fv(vec);
glEnd();
}
}
glLineWidth(1.0);
/* Draw current frame number in a little box */
if (flag & DRAWCFRA_SHOW_NUMBOX) {
UI_view2d_view_orthoSpecial(C, v2d, 1);
draw_cfra_number(scene, v2d, vec[0], (flag & DRAWCFRA_UNIT_SECONDS));
}
}
/* *************************************************** */
/* PREVIEW RANGE 'CURTAINS' */
/* Note: 'Preview Range' tools are defined in anim_ops.c */
/* Draw preview range 'curtains' for highlighting where the animation data is */
void ANIM_draw_previewrange (const bContext *C, View2D *v2d)
{
Scene *scene= CTX_data_scene(C);
/* only draw this if preview range is set */
if (scene->r.psfra) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glColor4f(0.0f, 0.0f, 0.0f, 0.4f);
/* only draw two separate 'curtains' if there's no overlap between them */
if (PSFRA < PEFRA) {
glRectf(v2d->cur.xmin, v2d->cur.ymin, (float)PSFRA, v2d->cur.ymax);
glRectf((float)PEFRA, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
else {
glRectf(v2d->cur.xmin, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
glDisable(GL_BLEND);
}
}
/* *************************************************** */
/* KEYFRAME DRAWING UTILITIES */
/* Obtain the Object providing NLA-scaling for the given channel (if applicable) */
Object *ANIM_nla_mapping_get(bAnimContext *ac, bAnimListElem *ale)
{
/* sanity checks */
if (ac == NULL)
return NULL;
/* handling depends on the type of animation-context we've got */
if (ELEM(ac->datatype, ANIMCONT_ACTION, ANIMCONT_IPO)) {
/* Action Editor (action mode) or Ipo Editor (ipo mode):
* Only use if editor is not pinned, and active object has action
*/
if (ac->obact && ac->obact->action) {
/* Action Editor */
if (ac->datatype == ANIMCONT_ACTION) {
SpaceAction *saction= (SpaceAction *)ac->sa->spacedata.first;
if (saction->pin == 0)
return ac->obact;
}
/* IPO Editor */
else if (ac->datatype == ANIMCONT_IPO) {
SpaceIpo *sipo= (SpaceIpo *)ac->sa->spacedata.first;
if (sipo->pin == 0)
return ac->obact;
}
}
}
else if ((ac->datatype == ANIMCONT_DOPESHEET) && (ale)) {
/* Dopesheet:
* Only if channel is available, and is owned by an Object with an Action
*/
if ((ale->id) && (GS(ale->id->name) == ID_OB)) {
Object *ob= (Object *)ale->id;
if (ob->action)
return ob;
}
}
/* no appropriate object found */
return NULL;
}
/* Set/clear temporary mapping of coordinates from 'local-action' time to 'global-nla-scaled' time
* - the old mapping is stored in a static var, but that shouldn't be too bad as UI drawing
* (where this is called) is single-threaded anyway
*/
// XXX was called: map_active_strip()
void ANIM_nla_mapping_draw(gla2DDrawInfo *di, Object *ob, short restore)
{
static rctf stored;
if (restore) {
/* restore un-mapped coordinates */
gla2DSetMap(di, &stored);
}
else {
/* set mapped coordinates */
rctf map;
gla2DGetMap(di, &stored);
map= stored;
map.xmin= get_action_frame(ob, map.xmin);
map.xmax= get_action_frame(ob, map.xmax);
if (map.xmin == map.xmax) map.xmax += 1.0f;
gla2DSetMap(di, &map);
}
}
/* Apply/Unapply NLA mapping to all keyframes in the nominated IPO block
* - restore = whether to map points back to ipo-time
* - only_keys = whether to only adjust the location of the center point of beztriples
*/
// was called actstrip_map_ipo_keys()
void ANIM_nla_mapping_apply(Object *ob, Ipo *ipo, short restore, short only_keys)
{
IpoCurve *icu;
BezTriple *bezt;
int a;
if (ipo==NULL) return;
/* loop through all ipo curves, adjusting the times of the selected keys */
for (icu= ipo->curve.first; icu; icu= icu->next) {
for (a=0, bezt=icu->bezt; a<icu->totvert; a++, bezt++) {
/* are the times being adjusted for editing, or has editing finished */
if (restore) {
if (only_keys == 0) {
bezt->vec[0][0]= get_action_frame(ob, bezt->vec[0][0]);
bezt->vec[2][0]= get_action_frame(ob, bezt->vec[2][0]);
}
bezt->vec[1][0]= get_action_frame(ob, bezt->vec[1][0]);
}
else {
if (only_keys == 0) {
bezt->vec[0][0]= get_action_frame_inv(ob, bezt->vec[0][0]);
bezt->vec[2][0]= get_action_frame_inv(ob, bezt->vec[2][0]);
}
bezt->vec[1][0]= get_action_frame_inv(ob, bezt->vec[1][0]);
}
}
}
}
/* *************************************************** */
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