/*
* Draw a sequence strip, bounds check already made
* ARegion is currently only used to get the windows width in pixels
* so wave file sample drawing precision is zoom adjusted
*/
static void draw_seq_strip(Scene *scene, ARegion *ar, Sequence *seq, int outline_tint, float pixelx)
{
View2D *v2d = &ar->v2d;
float x1, x2, y1, y2;
unsigned char col[3], background_col[3], is_single_image;
const float handsize_clamped = draw_seq_handle_size_get_clamped(seq, pixelx);
/* we need to know if this is a single image/color or not for drawing */
is_single_image = (char)BKE_sequence_single_check(seq);
/* body */
x1 = (seq->startstill) ? seq->start : seq->startdisp;
y1 = seq->machine + SEQ_STRIP_OFSBOTTOM;
x2 = (seq->endstill) ? (seq->start + seq->len) : seq->enddisp;
y2 = seq->machine + SEQ_STRIP_OFSTOP;
/* get the correct color per strip type*/
//get_seq_color3ubv(scene, seq, col);
get_seq_color3ubv(scene, seq, background_col);
/* draw the main strip body */
if (is_single_image) { /* single image */
draw_shadedstrip(seq, background_col,
BKE_sequence_tx_get_final_left(seq, 0), y1,
BKE_sequence_tx_get_final_right(seq, 0), y2);
}
else { /* normal operation */
draw_shadedstrip(seq, background_col, x1, y1, x2, y2);
}
/* draw additional info and controls */
if (!is_single_image)
draw_seq_extensions(scene, ar, seq);
draw_seq_handle(v2d, seq, handsize_clamped, SEQ_LEFTHANDLE);
draw_seq_handle(v2d, seq, handsize_clamped, SEQ_RIGHTHANDLE);
/* draw the strip outline */
x1 = seq->startdisp;
x2 = seq->enddisp;
/* draw sound wave */
if (seq->type == SEQ_TYPE_SOUND_RAM) {
drawseqwave(scene, seq, x1, y1, x2, y2, BLI_rctf_size_x(&ar->v2d.cur) / ar->winx);
}
/* draw lock */
if (seq->flag & SEQ_LOCK) {
glEnable(GL_POLYGON_STIPPLE);
glEnable(GL_BLEND);
/* light stripes */
glColor4ub(255, 255, 255, 32);
glPolygonStipple(stipple_diag_stripes_pos);
glRectf(x1, y1, x2, y2);
/* dark stripes */
glColor4ub(0, 0, 0, 32);
glPolygonStipple(stipple_diag_stripes_neg);
glRectf(x1, y1, x2, y2);
glDisable(GL_POLYGON_STIPPLE);
glDisable(GL_BLEND);
}
if (!BKE_sequence_is_valid_check(seq)) {
glEnable(GL_POLYGON_STIPPLE);
/* panic! */
glColor4ub(255, 0, 0, 255);
glPolygonStipple(stipple_diag_stripes_pos);
glRectf(x1, y1, x2, y2);
glDisable(GL_POLYGON_STIPPLE);
}
get_seq_color3ubv(scene, seq, col);
if ((G.moving & G_TRANSFORM_SEQ) && (seq->flag & SELECT)) {
if (seq->flag & SEQ_OVERLAP) {
col[0] = 255; col[1] = col[2] = 40;
}
else
UI_GetColorPtrShade3ubv(col, col, 120 + outline_tint);
}
else
UI_GetColorPtrShade3ubv(col, col, outline_tint);
glColor3ubv((GLubyte *)col);
if (seq->flag & SEQ_MUTE) {
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0x8888);
}
uiDrawBoxShade(GL_LINE_LOOP, x1, y1, x2, y2, 0.0, 0.1, 0.0);
if (seq->flag & SEQ_MUTE) {
glDisable(GL_LINE_STIPPLE);
}
if (seq->type == SEQ_TYPE_META) {
drawmeta_contents(scene, seq, x1, y1, x2, y2);
}
/* calculate if seq is long enough to print a name */
x1 = seq->startdisp + handsize_clamped;
x2 = seq->enddisp - handsize_clamped;
/* info text on the strip */
if (x1 < v2d->cur.xmin) x1 = v2d->cur.xmin;
else if (x1 > v2d->cur.xmax) x1 = v2d->cur.xmax;
if (x2 < v2d->cur.xmin) x2 = v2d->cur.xmin;
else if (x2 > v2d->cur.xmax) x2 = v2d->cur.xmax;
/* nice text here would require changing the view matrix for texture text */
if ((x2 - x1) / pixelx > 32) {
draw_seq_text(v2d, seq, x1, x2, y1, y2, background_col);
}
}
/* main call for drawing a single NLA-strip */
static void nla_draw_strip(SpaceNla *snla, AnimData *adt, NlaTrack *nlt, NlaStrip *strip, View2D *v2d, float yminc, float ymaxc)
{
short nonSolo = ((adt && (adt->flag & ADT_NLA_SOLO_TRACK)) && (nlt->flag & NLATRACK_SOLO) == 0);
float color[3];
/* get color of strip */
nla_strip_get_color_inside(adt, strip, color);
/* draw extrapolation info first (as backdrop)
* - but this should only be drawn if track has some contribution
*/
if ((strip->extendmode != NLASTRIP_EXTEND_NOTHING) && (nonSolo == 0)) {
/* enable transparency... */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
switch (strip->extendmode) {
/* since this does both sides, only do the 'before' side, and leave the rest to the next case */
case NLASTRIP_EXTEND_HOLD:
/* only need to draw here if there's no strip before since
* it only applies in such a situation
*/
if (strip->prev == NULL) {
/* set the drawing color to the color of the strip, but with very faint alpha */
glColor4f(color[0], color[1], color[2], 0.15f);
/* draw the rect to the edge of the screen */
glBegin(GL_QUADS);
glVertex2f(v2d->cur.xmin, yminc);
glVertex2f(v2d->cur.xmin, ymaxc);
glVertex2f(strip->start, ymaxc);
glVertex2f(strip->start, yminc);
glEnd();
}
/* fall-through */
/* this only draws after the strip */
case NLASTRIP_EXTEND_HOLD_FORWARD:
/* only need to try and draw if the next strip doesn't occur immediately after */
if ((strip->next == NULL) || (IS_EQF(strip->next->start, strip->end) == 0)) {
/* set the drawing color to the color of the strip, but this time less faint */
glColor4f(color[0], color[1], color[2], 0.3f);
/* draw the rect to the next strip or the edge of the screen */
glBegin(GL_QUADS);
glVertex2f(strip->end, yminc);
glVertex2f(strip->end, ymaxc);
if (strip->next) {
glVertex2f(strip->next->start, ymaxc);
glVertex2f(strip->next->start, yminc);
}
else {
glVertex2f(v2d->cur.xmax, ymaxc);
glVertex2f(v2d->cur.xmax, yminc);
}
glEnd();
}
break;
}
glDisable(GL_BLEND);
}
/* draw 'inside' of strip itself */
if (nonSolo == 0) {
/* strip is in normal track */
glColor3fv(color);
uiSetRoundBox(UI_CNR_ALL); /* all corners rounded */
uiDrawBoxShade(GL_POLYGON, strip->start, yminc, strip->end, ymaxc, 0.0, 0.5, 0.1);
}
else {
/* strip is in disabled track - make less visible */
glColor4f(color[0], color[1], color[2], 0.1f);
glEnable(GL_BLEND);
glRectf(strip->start, yminc, strip->end, ymaxc);
glDisable(GL_BLEND);
}
/* draw strip's control 'curves'
* - only if user hasn't hidden them...
*/
if ((snla->flag & SNLA_NOSTRIPCURVES) == 0)
nla_draw_strip_curves(strip, yminc, ymaxc);
/* draw strip outline
* - color used here is to indicate active vs non-active
*/
if (strip->flag & NLASTRIP_FLAG_ACTIVE) {
/* strip should appear 'sunken', so draw a light border around it */
glColor3f(0.9f, 1.0f, 0.9f); // FIXME: hardcoded temp-hack colors
}
else {
/* strip should appear to stand out, so draw a dark border around it */
glColor3f(0.0f, 0.0f, 0.0f);
}
/* - line style: dotted for muted */
if (strip->flag & NLASTRIP_FLAG_MUTED)
setlinestyle(4);
/* draw outline */
uiDrawBoxShade(GL_LINE_LOOP, strip->start, yminc, strip->end, ymaxc, 0.0, 0.0, 0.1);
/* if action-clip strip, draw lines delimiting repeats too (in the same color as outline) */
if ((strip->type == NLASTRIP_TYPE_CLIP) && IS_EQF(strip->repeat, 1.0f) == 0) {
float repeatLen = (strip->actend - strip->actstart) * strip->scale;
int i;
/* only draw lines for whole-numbered repeats, starting from the first full-repeat
* up to the last full repeat (but not if it lies on the end of the strip)
*/
for (i = 1; i < strip->repeat; i++) {
float repeatPos = strip->start + (repeatLen * i);
/* don't draw if line would end up on or after the end of the strip */
if (repeatPos < strip->end)
fdrawline(repeatPos, yminc + 4, repeatPos, ymaxc - 4);
}
}
/* or if meta-strip, draw lines delimiting extents of sub-strips (in same color as outline, if more than 1 exists) */
else if ((strip->type == NLASTRIP_TYPE_META) && (strip->strips.first != strip->strips.last)) {
NlaStrip *cs;
float y = (ymaxc - yminc) / 2.0f + yminc;
/* only draw first-level of child-strips, but don't draw any lines on the endpoints */
for (cs = strip->strips.first; cs; cs = cs->next) {
/* draw start-line if not same as end of previous (and only if not the first strip)
* - on upper half of strip
*/
if ((cs->prev) && IS_EQF(cs->prev->end, cs->start) == 0)
fdrawline(cs->start, y, cs->start, ymaxc);
/* draw end-line if not the last strip
* - on lower half of strip
*/
if (cs->next)
fdrawline(cs->end, yminc, cs->end, y);
}
}
/* reset linestyle */
setlinestyle(0);
}
