/**
* Generate time string and store in \a str
*
* \param str: destination string
* \param maxncpy: maximum number of characters to copy ``sizeof(str)``
* \param power: special setting for #View2D grid drawing,
* used to specify how detailed we need to be
* \param time_seconds: time total time in seconds
* \return length of \a str
*
* \note in some cases this is used to print non-seconds values.
*/
size_t BLI_timecode_string_from_time_seconds(
char *str, const size_t maxncpy, const int power, const float time_seconds)
{
size_t rlen;
/* round to whole numbers if power is >= 1 (i.e. scale is coarse) */
if (power <= 0) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%.*f", 1 - power, time_seconds);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%d", round_fl_to_int(time_seconds));
}
return rlen;
}
/* add the relevant text to the cache of text-strings to draw in pixelspace */
static void nla_draw_strip_text(AnimData *adt,
NlaTrack *nlt,
NlaStrip *strip,
int index,
View2D *v2d,
float xminc,
float xmaxc,
float yminc,
float ymaxc)
{
const bool non_solo = ((adt && (adt->flag & ADT_NLA_SOLO_TRACK)) &&
(nlt->flag & NLATRACK_SOLO) == 0);
char str[256];
size_t str_len;
char col[4];
/* just print the name and the range */
if (strip->flag & NLASTRIP_FLAG_TEMP_META) {
str_len = BLI_snprintf_rlen(str, sizeof(str), "%d) Temp-Meta", index);
}
else {
str_len = BLI_strncpy_rlen(str, strip->name, sizeof(str));
}
/* set text color - if colors (see above) are light, draw black text, otherwise draw white */
if (strip->flag & (NLASTRIP_FLAG_ACTIVE | NLASTRIP_FLAG_SELECT | NLASTRIP_FLAG_TWEAKUSER)) {
col[0] = col[1] = col[2] = 0;
}
else {
col[0] = col[1] = col[2] = 255;
}
/* text opacity depends on whether if there's a solo'd track, this isn't it */
if (non_solo == 0) {
col[3] = 255;
}
else {
col[3] = 128;
}
/* set bounding-box for text
* - padding of 2 'units' on either side
*/
/* TODO: make this centered? */
rctf rect = {
.xmin = xminc,
.ymin = yminc,
.xmax = xmaxc,
.ymax = ymaxc,
};
/* add this string to the cache of texts to draw */
UI_view2d_text_cache_add_rectf(v2d, &rect, str, str_len, col);
}
/* 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];
size_t numstr_len;
/* 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 */
numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%.1f", strip->start);
UI_view2d_text_cache_add(v2d, strip->start - 1.0f, ymaxc + ytol, numstr, numstr_len, col);
/* end frame */
numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%.1f", strip->end);
UI_view2d_text_cache_add(v2d, strip->end, ymaxc + ytol, numstr, numstr_len, col);
}
size_t BLI_timecode_string_from_time(
char *str, const size_t maxncpy, const int power, const float time_seconds,
const double fps, const short timecode_style)
{
int hours = 0, minutes = 0, seconds = 0, frames = 0;
float time = time_seconds;
char neg[2] = {'\0'};
size_t rlen;
/* get cframes */
if (time < 0) {
/* correction for negative cfraues */
neg[0] = '-';
time = -time;
}
if (time >= 3600.0f) {
/* hours */
/* XXX should we only display a single digit for hours since clips are
* VERY UNLIKELY to be more than 1-2 hours max? However, that would
* go against conventions...
*/
hours = (int)time / 3600;
time = fmodf(time, 3600);
}
if (time >= 60.0f) {
/* minutes */
minutes = (int)time / 60;
time = fmodf(time, 60);
}
if (power <= 0) {
/* seconds + frames
* Frames are derived from 'fraction' of second. We need to perform some additional rounding
* to cope with 'half' frames, etc., which should be fine in most cases
*/
seconds = (int)time;
frames = round_fl_to_int((float)(((double)time - (double)seconds) * fps));
}
else {
/* seconds (with pixel offset rounding) */
seconds = round_fl_to_int(time);
}
switch (timecode_style) {
case USER_TIMECODE_MINIMAL:
{
/* - In general, minutes and seconds should be shown, as most clips will be
* within this length. Hours will only be included if relevant.
* - Only show frames when zoomed in enough for them to be relevant
* (using separator of '+' for frames).
* When showing frames, use slightly different display to avoid confusion with mm:ss format
*/
if (power <= 0) {
/* include "frames" in display */
if (hours) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%02d+%02d", neg, hours, minutes, seconds, frames);
}
else if (minutes) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d+%02d", neg, minutes, seconds, frames);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%d+%02d", neg, seconds, frames);
}
}
else {
/* don't include 'frames' in display */
if (hours) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%02d", neg, hours, minutes, seconds);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d", neg, minutes, seconds);
}
}
break;
}
case USER_TIMECODE_SMPTE_MSF:
{
/* reduced SMPTE format that always shows minutes, seconds, frames. Hours only shown as needed. */
if (hours) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%02d:%02d", neg, hours, minutes, seconds, frames);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%02d", neg, minutes, seconds, frames);
}
break;
}
case USER_TIMECODE_MILLISECONDS:
{
/* reduced SMPTE. Instead of frames, milliseconds are shown */
/* precision of decimal part */
const int ms_dp = (power <= 0) ? (1 - power) : 1;
/* to get 2 digit whole-number part for seconds display
* (i.e. 3 is for 2 digits + radix, on top of full length) */
const int s_pad = ms_dp + 3;
if (hours) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%0*.*f", neg, hours, minutes, s_pad, ms_dp, time);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%0*.*f", neg, minutes, s_pad, ms_dp, time);
}
break;
}
case USER_TIMECODE_SUBRIP:
{
/* SubRip, like SMPTE milliseconds but seconds and milliseconds are separated by a comma, not a dot... */
/* precision of decimal part */
const int ms_dp = (power <= 0) ? (1 - power) : 1;
const int ms = round_fl_to_int((time - (float)seconds) * 1000.0f);
rlen = BLI_snprintf_rlen(
str, maxncpy, "%s%02d:%02d:%02d,%0*d", neg, hours, minutes, seconds, ms_dp, ms);
break;
}
case USER_TIMECODE_SECONDS_ONLY:
{
/* only show the original seconds display */
/* round to whole numbers if power is >= 1 (i.e. scale is coarse) */
if (power <= 0) {
rlen = BLI_snprintf_rlen(str, maxncpy, "%.*f", 1 - power, time_seconds);
}
else {
rlen = BLI_snprintf_rlen(str, maxncpy, "%d", round_fl_to_int(time_seconds));
}
break;
}
case USER_TIMECODE_SMPTE_FULL:
default:
{
/* full SMPTE format */
rlen = BLI_snprintf_rlen(str, maxncpy, "%s%02d:%02d:%02d:%02d", neg, hours, minutes, seconds, frames);
break;
}
}
return rlen;
}
/* 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;
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};
char numstr[32];
size_t numstr_len;
if (direction == SEQ_LEFTHANDLE) {
numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%d", seq->startdisp);
x1 = rx1;
y1 -= 0.45f;
}
else {
numstr_len = BLI_snprintf_rlen(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, numstr_len, col);
}
}
static size_t unit_as_string(char *str, int len_max, double value, int prec, bUnitCollection *usys,
/* non exposed options */
const bUnitDef *unit, char pad)
{
double value_conv;
size_t len, i;
if (unit) {
/* use unit without finding the best one */
}
else if (value == 0.0) {
/* use the default units since there is no way to convert */
unit = unit_default(usys);
}
else {
unit = unit_best_fit(value, usys, NULL, 1);
}
value_conv = value / unit->scalar;
/* Convert to a string */
len = BLI_snprintf_rlen(str, len_max, "%.*f", prec, value_conv);
/* Add unit prefix and strip zeros */
/* replace trailing zero's with spaces
* so the number is less complicated but alignment in a button wont
* jump about while dragging */
i = len - 1;
if (prec > 0) {
while (i > 0 && str[i] == '0') { /* 4.300 -> 4.3 */
str[i--] = pad;
}
if (i > 0 && str[i] == '.') { /* 10. -> 10 */
str[i--] = pad;
}
}
/* Now add the suffix */
if (i < len_max) {
int j = 0;
i++;
while (unit->name_short[j] && (i < len_max)) {
str[i++] = unit->name_short[j++];
}
#if 0
if (pad) {
/* this loop only runs if so many zeros were removed that
* the unit name only used padded chars,
* In that case add padding for the name. */
while (i <= len + j && (i < len_max)) {
str[i++] = pad;
}
}
#endif
}
/* terminate no matter whats done with padding above */
if (i >= len_max)
i = len_max - 1;
str[i] = '\0';
return i;
}
