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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_context.h"
#include "BKE_global.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_view2d.h"
/* *************************************************** */
/* CURRENT FRAME DRAWING */
/* Draw current frame number in a little green box beside the current frame indicator */
static void draw_cfra_number (View2D *v2d, float cfra, short time)
{
float xscale, yscale, yspace, ypixels, x;
short slen;
char str[32];
/* because the frame number text is subject to the same scaling as the contents of the view */
UI_view2d_getscale(v2d, &xscale, &yscale);
glScalef(1.0/xscale, 1.0, 1.0);
if (time)
sprintf(str, " %.2f", FRA2TIME(CFRA));
else
sprintf(str, " %d", CFRA);
slen= UI_GetStringWidth(G.font, str, 0);
/* get starting coordinates for drawing */
x= cfra * xscale;
/* draw green box around/behind text */
UI_ThemeColor(TH_CFRAME);
UI_ThemeColorShadeAlpha(TH_CFRAME, 0, -100);
glRectf(x, 0, x+slen, 15);
/* draw current frame number - black text */
UI_ThemeColor(TH_TEXT);
ui_rasterpos_safe(x-5, 17, 1.0);
UI_DrawString(G.fonts, str, 0);
/* restore view transform */
glScalef(xscale, yscale, 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(v2d, vec[0], (flag & DRAWCFRA_UNIT_SECONDS));
}
}
/* *************************************************** */
/* PREVIEW RANGE 'CURTAINS' */
/* 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, PSFRA, v2d->cur.ymax);
glRectf(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);
}
}
/* *************************************************** */
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