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drawseq.c

/**
 * $Id: drawseq.c,v 1.26 2004/12/02 18:12:18 ton Exp $
 *
 * ***** 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 option) 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef _WIN32
#include "BLI_winstuff.h"
#endif

#include <string.h>
#include <math.h>

#include "MEM_guardedalloc.h"

#include "BMF_Api.h"

#include "BLI_blenlib.h"
#include "BLI_arithb.h"

#include "IMB_imbuf_types.h"

#include "DNA_sequence_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_view2d_types.h"

#include "BKE_utildefines.h"
#include "BKE_global.h"
#include "BKE_plugin_types.h"

#include "BIF_gl.h"
#include "BIF_mywindow.h"
#include "BIF_screen.h"
#include "BIF_drawseq.h"
#include "BIF_editseq.h"
#include "BIF_drawimage.h"
#include "BIF_resources.h"
#include "BIF_space.h"
#include "BIF_interface.h"

#include "BSE_view.h"
#include "BSE_drawipo.h"
#include "BSE_sequence.h"
#include "BSE_seqaudio.h"

#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"

#include "blendef.h"    /* CFRA */
#include "mydevice.h"   /* REDRAWSEQ */

int no_rightbox=0, no_leftbox= 0;

static void EmbossBoxf(float x1, float y1, float x2, float y2, int sel, unsigned int dark, unsigned int light)
{

      if(sel) cpack(dark);
      else cpack(light);
      if(sel) glLineWidth(2.0);
      fdrawline(x1,  y2,  x2,  y2);       /* top */
      if(no_leftbox==0) fdrawline(x1,  y1,  x1,  y2); /* left */

      if(sel) glLineWidth(1.0);

      if(sel) cpack(light);
      else cpack(dark);
      fdrawline(x1,  y1,  x2,  y1); /* bottom */
      if(no_rightbox==0) fdrawline(x2,  y1,  x2,  y2);      /* right */

}

static char *give_seqname(Sequence *seq)
{
      if(seq->type==SEQ_META) {
            if(seq->name[2]) return seq->name+2;
            return "META";
      }
      else if(seq->type==SEQ_IMAGE) return "IMAGE";
      else if(seq->type==SEQ_SCENE) return "SCENE";
      else if(seq->type==SEQ_MOVIE) return "MOVIE";
      else if(seq->type==SEQ_SOUND) return "AUDIO";
      else if(seq->type<SEQ_EFFECT) return seq->strip->dir;
      else if(seq->type==SEQ_CROSS) return "CROSS";
      else if(seq->type==SEQ_GAMCROSS) return "GAMMA CROSS";
      else if(seq->type==SEQ_ADD) return "ADD";
      else if(seq->type==SEQ_SUB) return "SUB";
      else if(seq->type==SEQ_MUL) return "MUL";
      else if(seq->type==SEQ_ALPHAOVER) return "ALPHAOVER";
      else if(seq->type==SEQ_ALPHAUNDER) return "ALPHAUNDER";
      else if(seq->type==SEQ_OVERDROP) return "OVER DROP";
      else if(seq->type==SEQ_WIPE) return "WIPE";
      else if(seq->type==SEQ_GLOW) return "GLOW";
      else if(seq->type==SEQ_PLUGIN) {
            if(seq->plugin && seq->plugin->doit) return seq->plugin->pname;
            return "PLUGIN";
      }
      else return "EFFECT";

}
static void draw_cfra_seq(void)
{
      glColor3ub(0x30, 0x90, 0x50);
      glLineWidth(2.0);
      glBegin(GL_LINES);
      glVertex2f(G.scene->r.cfra, G.v2d->cur.ymin);
      glVertex2f(G.scene->r.cfra, G.v2d->cur.ymax);
      glEnd();
      glLineWidth(1.0);
}

static unsigned int seq_color(Sequence *seq)
{
      switch(seq->type) {
      case SEQ_META:
            return 0x509090;
      case SEQ_MOVIE:
            return 0x805040;
      case SEQ_SCENE:
            if(seq->scene==G.scene) return 0x709050;
            return 0x609060;
      case SEQ_CROSS:
            return 0x505090;
      case SEQ_GAMCROSS:
            return 0x5040A0;
      case SEQ_ADD:
            return 0x6060A0;
      case SEQ_SUB:
            return 0x8060A0;
      case SEQ_MUL:
            return 0x8080A0;
      case SEQ_ALPHAOVER:
            return 0x6080A0;
      case SEQ_ALPHAUNDER:
            return 0x9080A0;
      case SEQ_OVERDROP:
            return 0x5080B0;
      case SEQ_WIPE:
            return 0x2080B0;
      case SEQ_GLOW:
            return 0x0080B0;
      case SEQ_PLUGIN:
            return 0x906000;
      case SEQ_SOUND:
            if(seq->flag & SEQ_MUTE) return 0x707060; else return 0x787850;
      default:
            return 0x906060;
      }

}
static void drawmeta_contents(Sequence *seqm, float x1, float y1, float x2, float y2)
{
      Sequence *seq;
      float dx;
      int nr;

      nr= 0;
      WHILE_SEQ(&seqm->seqbase) {
            nr++;
      }
      END_SEQ

      dx= (x2-x1)/nr;

      WHILE_SEQ(&seqm->seqbase) {
            cpack(seq_color(seq));
            glRectf(x1,  y1,  x1+0.9*dx,  y2);
            EmbossBoxf(x1, y1, x1+0.9*dx, y2, 0, 0x404040, 0xB0B0B0);
            x1+= dx;
      }
      END_SEQ
}

void drawseqwave(Sequence *seq, float x1, float y1, float x2, float y2)
{
      float f, height, midy;
      int offset, sofs, eofs;
      signed short* s;
      bSound *sound;

      audio_makestream(seq->sound);
      if(seq->sound->stream==NULL) return;

      if (seq->flag & SEQ_MUTE) glColor3ub(0x70, 0x80, 0x80); else glColor3ub(0x70, 0xc0, 0xc0);
      sound = seq->sound;
      sofs = ((int)( (((float)(seq->startdisp-seq->start))/(float)G.scene->r.frs_sec)*(float)G.scene->audio.mixrate*4.0 )) & (~3);
      eofs = ((int)( (((float)(seq->enddisp-seq->start))/(float)G.scene->r.frs_sec)*(float)G.scene->audio.mixrate*4.0 )) & (~3);

      for (f=x1; f<=x2; f+=0.2) {
            offset = (int) ((float)sofs + ((f-x1)/(x2-x1)) * (float)(eofs-sofs)) & (~3);
            if (offset >= sound->streamlen) offset = sound->streamlen-1;
            s = (signed short*)(((Uint8*)sound->stream) + offset);
            midy = (y1+y2)/2;
            height = ( ( ((float)s[0]/32768 + (float)s[1]/32768)/2 ) * (y2-y1) )/2;
            glBegin(GL_LINES);
            glVertex2f(f, midy-height);
            glVertex2f(f, midy+height);
            glEnd();
      }
}

void drawseq(Sequence *seq)
{
      float v1[2], v2[2], x1, x2, y1, y2;
      unsigned int body, dark, light;
      int len, size;
      short mval[2];
      char str[120], *strp;


      if(seq->startdisp > seq->enddisp) body= 0x707070;

      body= seq_color(seq);
      dark= 0x202020;
      light= 0xB0B0B0;

      if(G.moving && (seq->flag & SELECT)) {
            if(seq->flag & SEQ_OVERLAP) dark= light= 0x4040FF;
            else {
                  if(seq->flag & (SEQ_LEFTSEL+SEQ_RIGHTSEL));
                  else dark= light= 0xFFFFFF;
            }
      }

      /* body */
      if(seq->startstill) x1= seq->start;
      else x1= seq->startdisp;
      y1= seq->machine+0.2;
      if(seq->endstill) x2= seq->start+seq->len;
      else x2= seq->enddisp;
      y2= seq->machine+0.8;

      cpack(body);
      glRectf(x1,  y1,  x2,  y2);
      if (seq->type == SEQ_SOUND) drawseqwave(seq, x1, y1, x2, y2);
      EmbossBoxf(x1, y1, x2, y2, seq->flag & 1, dark, light);

      v1[1]= y1;
      v2[1]= y2;
      if(seq->type < SEQ_EFFECT) {

            /* decoration: the bars */
            x1= seq->startdisp;
            x2= seq->enddisp;

            if(seq->startofs) {
                  cpack(0x707070);
                  glRectf((float)(seq->start),  y1-0.2,  x1,  y1);
                  EmbossBoxf((float)(seq->start), y1-0.2, x1, y1, seq->flag & 1, dark, light);
            }
            if(seq->endofs) {
                  cpack(0x707070);
                  glRectf(x2,  y2,  (float)(seq->start+seq->len),  y2+0.2);
                  EmbossBoxf(x2, y2, (float)(seq->start+seq->len), y2+0.2, seq->flag & 1, dark, light);
            }

            if(seq->startstill) {
                  cpack(body);
                  glRectf(x1,  y1+0.1,  (float)(seq->start),  y1+0.5);
                  no_rightbox= 1;
                  EmbossBoxf(x1, y1+0.1, (float)(seq->start), y1+0.5, seq->flag & 1, dark, light);
                  no_rightbox= 0;
            }
            if(seq->endstill) {
                  cpack(body);
                  glRectf((float)(seq->start+seq->len),  y1+0.1,  x2,  y1+0.5);
                  no_leftbox= 1;
                  EmbossBoxf((float)(seq->start+seq->len), y1+0.1, x2, y1+0.5, seq->flag & 1, dark, light);
                  no_leftbox= 0;
            }

      }

      /* calculate if seq is long enough to print a name */
      x1= seq->startdisp+seq->handsize;
      x2= seq->enddisp-seq->handsize;

      /* but first the contents of a meta */
      if(seq->type==SEQ_META) drawmeta_contents(seq, x1, y1+0.15, x2, y2-0.15);

      if(x1<G.v2d->cur.xmin) x1= G.v2d->cur.xmin;
      else if(x1>G.v2d->cur.xmax) x1= G.v2d->cur.xmax;
      if(x2<G.v2d->cur.xmin) x2= G.v2d->cur.xmin;
      else if(x2>G.v2d->cur.xmax) x2= G.v2d->cur.xmax;

      if(x1 != x2) {
            v1[0]= x1;
            ipoco_to_areaco_noclip(G.v2d, v1, mval);
            x1= mval[0];
            v2[0]= x2;
            ipoco_to_areaco_noclip(G.v2d, v2, mval);
            x2= mval[0];
            size= x2-x1;

            if(seq->name[2]) {
                  sprintf(str, "%s: %s (%d)", give_seqname(seq), seq->name+2, seq->len);
            }else{
                  if(seq->type == SEQ_META) {
                        sprintf(str, "%d %s", seq->len, give_seqname(seq));
                  }
                  else if(seq->type == SEQ_SCENE) {
                        if(seq->scene) sprintf(str, "%d %s %s", seq->len, give_seqname(seq), seq->scene->id.name+2);
                        else sprintf(str, "%d %s", seq->len, give_seqname(seq));

                  }
                  else if(seq->type == SEQ_IMAGE) {
                        sprintf(str, "%d %s%s", seq->len, seq->strip->dir, seq->strip->stripdata->name);
                  }
                  else if(seq->type & SEQ_EFFECT) {
                        if(seq->seq3!=seq->seq2 && seq->seq1!=seq->seq3)
                              sprintf(str, "%d %s: %d-%d (use %d)", seq->len, give_seqname(seq), seq->seq1->machine, seq->seq2->machine, seq->seq3->machine);
                        else
                              sprintf(str, "%d %s: %d-%d", seq->len, give_seqname(seq), seq->seq1->machine, seq->seq2->machine);
                  }
                  else if (seq->type == SEQ_SOUND) {
                        sprintf(str, "%d %s", seq->len, seq->strip->stripdata->name);
                  }
                  else if (seq->type == SEQ_MOVIE) {
                        sprintf(str, "%d %s%s", seq->len, seq->strip->dir, seq->strip->stripdata->name);
                  }
            }


            strp= str;

            while( (len= BMF_GetStringWidth(G.font, strp)) > size) {
                  if(len < 10) break;
                  if(strp[1]==0) break;
                  strp++;
            }

            mval[0]= (x1+x2-len+1)/2;
            mval[1]= 1;
            areamouseco_to_ipoco(G.v2d, mval, &x1, &x2);

            if(seq->flag & SELECT) cpack(0xFFFFFF);
            else cpack(0x0);
            glRasterPos3f(x1,  y1+0.2, 0.0);
            BMF_DrawString(G.font, strp);
      }

      if(seq->type < SEQ_EFFECT) {
            /* decoration: triangles */
            x1= seq->startdisp;
            x2= seq->enddisp;

            body+= 0x101010;
            dark= 0x202020;
            light= 0xB0B0B0;

            /* left triangle */
            if(seq->flag & SEQ_LEFTSEL) {
                  cpack(body+0x20);
                  if(G.moving) {
                        if(seq->flag & SEQ_OVERLAP) dark= light= 0x4040FF;
                        else dark= light= 0xFFFFFF;
                  }
            }
            else {
                  cpack(body);
            }

            glBegin(GL_TRIANGLES);
                  v1[0]= x1; glVertex2fv(v1);
                  v2[0]= x1; glVertex2fv(v2);
                  v2[0]+= seq->handsize; v2[1]= (y1+y2)/2.0; glVertex2fv(v2); v2[1]= y2;
            glEnd();

            cpack(light);

            glBegin(GL_LINE_STRIP);
                  v1[0]= x1; glVertex2fv(v1);
                  v2[0]= x1; glVertex2fv(v2);
                  v2[0]+= seq->handsize; v2[1]= (y1+y2)/2.0; glVertex2fv(v2); v2[1]= y2;
                  cpack(dark);
                  glVertex2fv(v1);
            glEnd();
      }

      if(G.moving || (seq->flag & SEQ_LEFTSEL)) {
            cpack(0xFFFFFF);
            glRasterPos3f(x1,  y1+0.2, 0.0);
            sprintf(str, "%d", seq->startdisp);
            BMF_DrawString(G.font, str);
      }

            /* right triangle */
      if(seq->type < SEQ_EFFECT) {
            dark= 0x202020;
            light= 0xB0B0B0;

            if(seq->flag & SEQ_RIGHTSEL) {
                  cpack(body+0x20);
                  if(G.moving) {
                        if(seq->flag & SEQ_OVERLAP) dark= light= 0x4040FF;
                        else dark= light= 0xFFFFFF;
                  }
            }
            else {
                  cpack(body);
            }
            glBegin(GL_TRIANGLES);
                  v2[0]= x2; glVertex2fv(v2);
                  v1[0]= x2; glVertex2fv(v1);
                  v2[0]-= seq->handsize; v2[1]= (y1+y2)/2.0; glVertex2fv(v2); v2[1]= y2;
            glEnd();

            cpack(dark);
            glBegin(GL_LINE_STRIP);
                  v2[0]= x2; glVertex2fv(v2);
                  v1[0]= x2; glVertex2fv(v1);
                  v1[0]-= seq->handsize; v1[1]= (y1+y2)/2.0; glVertex2fv(v1); v1[1]= y2;
                  cpack(light);
                  glVertex2fv(v2);
            glEnd();
      }

      if(G.moving || (seq->flag & SEQ_RIGHTSEL)) {
            cpack(0xFFFFFF);
            glRasterPos3f(x2-seq->handsize/2,  y1+0.2, 0.0);
            sprintf(str, "%d", seq->enddisp-1);
            BMF_DrawString(G.font, str);
      }
}

static Sequence *special_seq_update= 0;

void set_special_seq_update(int val)
{
      int x;

      /* if mouse over a sequence && LEFTMOUSE */
      if(val) {
            special_seq_update= find_nearest_seq(&x);
      }
      else special_seq_update= 0;
}


static void draw_image_seq(ScrArea *sa)
{
      SpaceSeq *sseq;
      StripElem *se;
      struct ImBuf *ibuf;
      int x1, y1;

      glClearColor(0.0, 0.0, 0.0, 0.0);
      glClear(GL_COLOR_BUFFER_BIT);

      ibuf= (ImBuf *)give_ibuf_seq( (G.scene->r.cfra));

      if(special_seq_update) {
       se = special_seq_update->curelem;
       if(se) {
           if(se->ok==2) {
               if(se->se1)
                   ibuf= se->se1->ibuf;
           }
           else ibuf= se->ibuf;
       }
      }
      if(ibuf==0 || ibuf->rect==0) return;

      sseq= sa->spacedata.first;
      if(sseq==0) return;

      /* calc location */
      x1= sa->winrct.xmin+(sa->winx-sseq->zoom*ibuf->x)/2;
      y1= sa->winrct.ymin+(sa->winy-sseq->zoom*ibuf->y)/2;

      rectwrite_part(sa->winrct.xmin, sa->winrct.ymin,
                        sa->winrct.xmax, sa->winrct.ymax,
                        x1, y1, ibuf->x, ibuf->y, (float)sseq->zoom,(float)sseq->zoom, ibuf->rect);

      sa->win_swap= WIN_BACK_OK;
}

static void draw_extra_seqinfo(void)
{
      extern Sequence *last_seq;
      StripElem *se, *last;
      float xco, xfac;
      int sta, end;
      char str[256];

      if(last_seq==0) return;

      /* xfac: size of 1 pixel */
      xfac= G.v2d->cur.xmax - G.v2d->cur.xmin;
      xfac/= (float)(G.v2d->mask.xmax-G.v2d->mask.xmin);
      xco= G.v2d->cur.xmin+40*xfac;

      BIF_ThemeColor(TH_TEXT);

      /* NAME */
      glRasterPos3f(xco,  0.3, 0.0);
      strcpy(str, give_seqname(last_seq));
      BMF_DrawString(G.font, str);
      xco += xfac*BMF_GetStringWidth(G.font, str) +30.0*xfac;

      if(last_seq->type==SEQ_SCENE && last_seq->scene) {
            glRasterPos3f(xco,  0.3, 0.0);
            BMF_DrawString(G.font, last_seq->scene->id.name+2);
            xco += xfac*BMF_GetStringWidth(G.font, last_seq->scene->id.name+2) +30.0*xfac;
      }

      /* LEN */
      if(last_seq->type & SEQ_EFFECT)
            sprintf(str, "len: %d   From %d - %d", last_seq->len, last_seq->startdisp, last_seq->enddisp-1);
      else
            sprintf(str, "len: %d (%d)", last_seq->enddisp-last_seq->startdisp, last_seq->len);

      glRasterPos3f(xco,  0.3, 0.0);
      BMF_DrawString(G.font, str);
      xco += xfac*BMF_GetStringWidth(G.font, str) +30.0*xfac;

      if(last_seq->type==SEQ_IMAGE) {

            /* CURRENT */
            se= (StripElem *)give_stripelem(last_seq,  (G.scene->r.cfra));
            if(se) {
                  sprintf(str, "cur: %s", se->name);
                  glRasterPos3f(xco,  0.3, 0.0);
                  BMF_DrawString(G.font, str);
                  xco += xfac*BMF_GetStringWidth(G.font, str) +30.0*xfac;
            }

            /* FIRST AND LAST */

            if(last_seq->strip) {
                  se= last_seq->strip->stripdata;
                  last= se+last_seq->len-1;
                  if(last_seq->startofs) se+= last_seq->startofs;
                  if(last_seq->endofs) last-= last_seq->endofs;

                  sprintf(str, "First: %s at %d     Last: %s at %d", se->name, last_seq->startdisp, last->name, last_seq->enddisp-1);
                  glRasterPos3f(xco,  0.3, 0.0);
                  BMF_DrawString(G.font, str);
                  xco += xfac*BMF_GetStringWidth(G.font, str) +30.0*xfac;

                  /* orig size */
                  sprintf(str, "OrigSize: %d x %d", last_seq->strip->orx, last_seq->strip->ory);
                  glRasterPos3f(xco,  0.3, 0.0);
                  BMF_DrawString(G.font, str);
                  xco += xfac*BMF_GetStringWidth(G.font, str) +30.0*xfac;
            }
      }
      else if(last_seq->type==SEQ_MOVIE) {

            sta= last_seq->startofs;
            end= last_seq->len-1-last_seq->endofs;

            sprintf(str, "%s   %s%s  First: %d at %d     Last: %d at %d     Cur: %d",
                        last_seq->name+2, last_seq->strip->dir, last_seq->strip->stripdata->name,
                        sta, last_seq->startdisp, end, last_seq->enddisp-1,  (G.scene->r.cfra)-last_seq->startdisp);

            glRasterPos3f(xco,  0.3, 0.0);
            BMF_DrawString(G.font, str);
      }
      else if(last_seq->type==SEQ_SOUND) {

            sta= last_seq->startofs;
            end= last_seq->len-1-last_seq->endofs;

            sprintf(str, "%s   %s%s  First: %d at %d     Last: %d at %d     Cur: %d     Gain: %.2f dB     Pan: %.2f",
                        last_seq->name+2, last_seq->strip->dir, last_seq->strip->stripdata->name,
                        sta, last_seq->startdisp, end, last_seq->enddisp-1,  (G.scene->r.cfra)-last_seq->startdisp,
                        last_seq->level, last_seq->pan);

            glRasterPos3f(xco,  0.3, 0.0);
            BMF_DrawString(G.font, str);
      }
}

#define SEQ_BUT_PLUGIN  1
#define SEQ_BUT_MOVIE   2
#define SEQ_BUT_EFFECT  3

void do_seqbuttons(short val)
{
      extern Sequence *last_seq;
      StripElem *se;

      switch(val) {
      case SEQ_BUT_PLUGIN:
            new_stripdata(last_seq);
            free_imbuf_effect_spec(CFRA);
            break;

      case SEQ_BUT_MOVIE:
            se= last_seq->curelem;
            if(se && se->ibuf ) {
                  IMB_freeImBuf(se->ibuf);
                  se->ibuf= 0;
            }
            break;
      case SEQ_BUT_EFFECT:
            new_stripdata(last_seq);
            calc_sequence(last_seq);
            allqueue(REDRAWSEQ, 0);
            break;
      }

      allqueue(REDRAWSEQ, 0);
}

static void seq_panel_properties(short cntrl)   // SEQ_HANDLER_PROPERTIES
{
      extern Sequence *last_seq;
      uiBlock *block;

      block= uiNewBlock(&curarea->uiblocks, "seq_panel_properties", UI_EMBOSS, UI_HELV, curarea->win);
      uiPanelControl(UI_PNL_SOLID | UI_PNL_CLOSE | cntrl);
      uiSetPanelHandler(SEQ_HANDLER_PROPERTIES);  // for close and esc
      if(uiNewPanel(curarea, block, "Strip Properties", "Seq", 10, 230, 318, 204)==0) return;

      if(last_seq==NULL) return;

      if(last_seq->type==SEQ_PLUGIN) {
            PluginSeq *pis;
            VarStruct *varstr;
            int a, xco, yco;

            uiDefBut(block, LABEL, 0, "Type: Plugin", 10,50,70,20, 0, 0, 0, 0, 0, "");

            pis= last_seq->plugin;
            if(pis->vars==0) return;

            varstr= pis->varstr;
            if(varstr) {
                  for(a=0; a<pis->vars; a++, varstr++) {
                        xco= 150*(a/6)+10;
                        yco= 125 - 20*(a % 6)+1;
                        uiDefBut(block, varstr->type, SEQ_BUT_PLUGIN, varstr->name, xco,yco,150,19, &(pis->data[a]), varstr->min, varstr->max, 100, 0, varstr->tip);

                  }
            }
      }
      else if(last_seq->type==SEQ_IMAGE) {

            uiDefBut(block, LABEL, 0, "Type: Image", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

      }
      else if(last_seq->type==SEQ_META) {

            uiDefBut(block, LABEL, 0, "Type: Meta", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

      }
      else if(last_seq->type==SEQ_SCENE) {

            uiDefBut(block, LABEL, 0, "Type: Scene", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

      }
      else if(last_seq->type==SEQ_MOVIE) {

            if(last_seq->mul==0.0) last_seq->mul= 1.0;

            uiDefBut(block, LABEL, 0, "Type: Movie", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

            uiDefButS(block, TOG|BIT|4, SEQ_BUT_MOVIE, "FilterY ", 10,90,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "");
            uiDefButF(block, NUM, SEQ_BUT_MOVIE, "Mul:", 10,70,150,19, &last_seq->mul, 0.001, 5.0, 100, 0, "");

      }
      else if(last_seq->type==SEQ_SOUND) {

            uiDefBut(block, LABEL, 0, "Type: Audio", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, 0, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

            uiDefButS(block, TOG|BIT|5, B_NOP, "Mute", 10,90,120,19, &last_seq->flag, 0.0, 21.0, 100, 0, "");
            uiDefButF(block, NUM, SEQ_BUT_MOVIE, "Gain (dB):", 10,70,150,19, &last_seq->level, -96.0, 6.0, 100, 0, "");
            uiDefButF(block, NUM, SEQ_BUT_MOVIE, "Pan:",    10,50,150,19, &last_seq->pan, -1.0, 1.0, 100, 0, "");
      }
      else if(last_seq->type>=SEQ_EFFECT) {
            uiDefBut(block, LABEL, 0, "Type: Effect", 10,140,150,20, 0, 0, 0, 0, 0, "");
            uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");

            if(last_seq->type==SEQ_WIPE){
                  WipeVars *wipe = (WipeVars *)last_seq->effectdata;
                  char formatstring[1024];
                  strcpy(formatstring, "Transition Type %t|Single Wipe%x0|Double Wipe %x1|Iris Wipe %x4|Clock Wipe %x5");
                  uiDefButS(block, MENU,SEQ_BUT_EFFECT, formatstring,   10,90,220,22, &wipe->wipetype, 0, 0, 0, 0, "What type of wipe should be performed");
                  uiDefButF(block, NUM,SEQ_BUT_EFFECT,"Blur:",    10,65,220,22, &wipe->edgeWidth,0.0,1.0, 1, 2, "The percent width of the blur edge");
                  switch(wipe->wipetype){ /*Skip Types that do not require angle*/
                        case DO_IRIS_WIPE:
                        case DO_CLOCK_WIPE:
                        break;
                        
                        default:
                              uiDefButF(block, NUM,SEQ_BUT_EFFECT,"Angle:",   10,40,220,22, &wipe->angle,-90.0,90.0, 1, 2, "The Angle of the Edge");
                  }
                  uiDefButS(block, TOG,SEQ_BUT_EFFECT,"Wipe In",  10,15,220,22, &wipe->forward,0,0, 0, 0, "Controls Primary Direction of Wipe");                        
            }
            else if(last_seq->type==SEQ_GLOW){
                  GlowVars *glow = (GlowVars *)last_seq->effectdata;

                  uiDefButF(block, NUM, SEQ_BUT_EFFECT, "Threshold:",   10,90,150,19, &glow->fMini, 0.0, 1.0, 0, 0, "Trigger Intensity");
                  uiDefButF(block, NUM, SEQ_BUT_EFFECT, "Clamp:",       10,70,150,19, &glow->fClamp, 0.0, 1.0, 0, 0, "Brightness limit of intensity");
                  uiDefButF(block, NUM, SEQ_BUT_EFFECT, "Boost factor:",      10,50,150,19, &glow->fBoost, 0.0, 10.0, 0, 0, "Brightness multiplier");
                  uiDefButF(block, NUM, SEQ_BUT_EFFECT, "Blur distance:",     10,30,150,19, &glow->dDist, 0.5, 20.0, 0, 0, "Radius of glow effect");
                  uiDefButI(block, NUM, B_NOP, "Quality:", 10,10,150,19, &glow->dQuality, 1.0, 5.0, 0, 0, "Accuracy of the blur effect");
                  uiDefButI(block, TOG, B_NOP, "Only boost", 10,-10,150,19, &glow->bNoComp, 0.0, 0.0, 0, 0, "Show the glow buffer only");
            }

      }


}

static void seq_blockhandlers(ScrArea *sa)
{
      SpaceSeq *sseq= sa->spacedata.first;
      short a;

      /* warning; blocks need to be freed each time, handlers dont remove (for ipo moved to drawipospace) */
      uiFreeBlocksWin(&sa->uiblocks, sa->win);

      for(a=0; a<SPACE_MAXHANDLER; a+=2) {
            switch(sseq->blockhandler[a]) {

            case SEQ_HANDLER_PROPERTIES:
                  seq_panel_properties(sseq->blockhandler[a+1]);
                  break;

            }
            /* clear action value for event */
            sseq->blockhandler[a+1]= 0;
      }
      uiDrawBlocksPanels(sa, 0);

}

void drawseqspace(ScrArea *sa, void *spacedata)
{
      SpaceSeq *sseq;
      Editing *ed;
      Sequence *seq;
      float col[3];
      int ofsx, ofsy;

      ed= G.scene->ed;

      sseq= curarea->spacedata.first;
      if(sseq->mainb==1) {
            draw_image_seq(curarea);
            curarea->win_swap= WIN_BACK_OK;
            return;
      }

      bwin_clear_viewmat(sa->win);  /* clear buttons view */
      glLoadIdentity();

      BIF_GetThemeColor3fv(TH_BACK, col);
      if(ed && ed->metastack.first) glClearColor(col[0], col[1], col[2]-0.1, 0.0);
      else glClearColor(col[0], col[1], col[2], 0.0);

      glClear(GL_COLOR_BUFFER_BIT);

      calc_scrollrcts(G.v2d, curarea->winx, curarea->winy);

      if(curarea->winx>SCROLLB+10 && curarea->winy>SCROLLH+10) {
            if(G.v2d->scroll) {
                  ofsx= curarea->winrct.xmin;   /* because of mywin */
                  ofsy= curarea->winrct.ymin;
                  glViewport(ofsx+G.v2d->mask.xmin,  ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
                  glScissor(ofsx+G.v2d->mask.xmin,  ofsy+G.v2d->mask.ymin, ( ofsx+G.v2d->mask.xmax-1)-(ofsx+G.v2d->mask.xmin)+1, ( ofsy+G.v2d->mask.ymax-1)-( ofsy+G.v2d->mask.ymin)+1);
            }
      }


      myortho2(G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);

      BIF_ThemeColorShade(TH_BACK, -20);
      glRectf(G.v2d->cur.xmin,  0.0,  G.v2d->cur.xmax,  1.0);

      boundbox_seq();
      calc_ipogrid();
      draw_ipogrid();
      draw_cfra_seq();

      /* sequences: first deselect */

      if(ed) {
            seq= ed->seqbasep->first;
            while(seq) {
                  if(seq->flag & SELECT); else drawseq(seq);
                  seq= seq->next;
            }
      }
      ed= G.scene->ed;
      if(ed) {
            seq= ed->seqbasep->first;
            while(seq) {
                  if(seq->flag & SELECT) drawseq(seq);
                  seq= seq->next;
            }
      }

      draw_extra_seqinfo();

      /* restore viewport */
      mywinset(curarea->win);

      /* ortho at pixel level curarea */
      myortho2(-0.375, curarea->winx-0.375, -0.375, curarea->winy-0.375);

      if(curarea->winx>SCROLLB+10 && curarea->winy>SCROLLH+10) {
            if(G.v2d->scroll) {
                  drawscroll(0);
            }
      }

      draw_area_emboss(sa);

      if(sseq->mainb==0) {
            /* it is important to end a view in a transform compatible with buttons */
            bwin_scalematrix(sa->win, sseq->blockscale, sseq->blockscale, sseq->blockscale);
            seq_blockhandlers(sa);
      }

      curarea->win_swap= WIN_BACK_OK;
}



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