/* add frame extents to cache of text-strings to draw in pixelspace
* for now, only used when transforming strips
*/
static void nla_draw_strip_frames_text(NlaTrack *UNUSED(nlt), NlaStrip *strip, View2D *v2d, float UNUSED(yminc), float ymaxc)
{
const float ytol = 1.0f; /* small offset to vertical positioning of text, for legibility */
const char col[4] = {220, 220, 220, 255}; /* light gray */
char numstr[32] = "";
/* Always draw times above the strip, whereas sequencer drew below + above.
* However, we should be fine having everything on top, since these tend to be
* quite spaced out.
* - 1 dp is compromise between lack of precision (ints only, as per sequencer)
* while also preserving some accuracy, since we do use floats
*/
/* start frame */
BLI_snprintf(numstr, sizeof(numstr), "%.1f", strip->start);
UI_view2d_text_cache_add(v2d, strip->start - 1.0f, ymaxc + ytol, numstr, col);
/* end frame */
BLI_snprintf(numstr, sizeof(numstr), "%.1f", strip->end);
UI_view2d_text_cache_add(v2d, strip->end, ymaxc + ytol, numstr, col);
}
/* draw a handle, for each end of a sequence strip */
static void draw_seq_handle(View2D *v2d, Sequence *seq, const float handsize_clamped, const short direction)
{
float v1[2], v2[2], v3[2], rx1 = 0, rx2 = 0; //for triangles and rect
float x1, x2, y1, y2;
char numstr[32];
unsigned int whichsel = 0;
x1 = seq->startdisp;
x2 = seq->enddisp;
y1 = seq->machine + SEQ_STRIP_OFSBOTTOM;
y2 = seq->machine + SEQ_STRIP_OFSTOP;
/* set up co-ordinates/dimensions for either left or right handle */
if (direction == SEQ_LEFTHANDLE) {
rx1 = x1;
rx2 = x1 + handsize_clamped * 0.75f;
v1[0] = x1 + handsize_clamped / 4; v1[1] = y1 + ( ((y1 + y2) / 2.0f - y1) / 2);
v2[0] = x1 + handsize_clamped / 4; v2[1] = y2 - ( ((y1 + y2) / 2.0f - y1) / 2);
v3[0] = v2[0] + handsize_clamped / 4; v3[1] = (y1 + y2) / 2.0f;
whichsel = SEQ_LEFTSEL;
}
else if (direction == SEQ_RIGHTHANDLE) {
rx1 = x2 - handsize_clamped * 0.75f;
rx2 = x2;
v1[0] = x2 - handsize_clamped / 4; v1[1] = y1 + ( ((y1 + y2) / 2.0f - y1) / 2);
v2[0] = x2 - handsize_clamped / 4; v2[1] = y2 - ( ((y1 + y2) / 2.0f - y1) / 2);
v3[0] = v2[0] - handsize_clamped / 4; v3[1] = (y1 + y2) / 2.0f;
whichsel = SEQ_RIGHTSEL;
}
/* draw! */
if (seq->type < SEQ_TYPE_EFFECT ||
BKE_sequence_effect_get_num_inputs(seq->type) == 0)
{
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (seq->flag & whichsel) glColor4ub(0, 0, 0, 80);
else if (seq->flag & SELECT) glColor4ub(255, 255, 255, 30);
else glColor4ub(0, 0, 0, 22);
glRectf(rx1, y1, rx2, y2);
if (seq->flag & whichsel) glColor4ub(255, 255, 255, 200);
else glColor4ub(0, 0, 0, 50);
glEnable(GL_POLYGON_SMOOTH);
glBegin(GL_TRIANGLES);
glVertex2fv(v1); glVertex2fv(v2); glVertex2fv(v3);
glEnd();
glDisable(GL_POLYGON_SMOOTH);
glDisable(GL_BLEND);
}
if ((G.moving & G_TRANSFORM_SEQ) || (seq->flag & whichsel)) {
const char col[4] = {255, 255, 255, 255};
if (direction == SEQ_LEFTHANDLE) {
BLI_snprintf(numstr, sizeof(numstr), "%d", seq->startdisp);
x1 = rx1;
y1 -= 0.45f;
}
else {
BLI_snprintf(numstr, sizeof(numstr), "%d", seq->enddisp - 1);
x1 = x2 - handsize_clamped * 0.75f;
y1 = y2 + 0.05f;
}
UI_view2d_text_cache_add(v2d, x1, y1, numstr, col);
}
}
