diff options
Diffstat (limited to 'source/blender/editors/animation/anim_draw.c')
| -rw-r--r-- | source/blender/editors/animation/anim_draw.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c new file mode 100644 index 00000000000..e2bc73847c0 --- /dev/null +++ b/source/blender/editors/animation/anim_draw.c @@ -0,0 +1,174 @@ +/** + * $Id$ + * + * ***** 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); + } +} + +/* *************************************************** */ |