/* poll callback for checking if there is an active layer */
int gp_active_layer_poll(bContext *C)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = gpencil_layer_getactive(gpd);
return (gpl != NULL);
}
/* draw grease-pencil sketches to specified 2d-view assuming that matrices are already set correctly
* Note: this gets called twice - first time with onlyv2d=1 to draw 'canvas' strokes,
* second time with onlyv2d=0 for screen-aligned strokes */
void ED_gpencil_draw_view2d(const bContext *C, bool onlyv2d)
{
wmWindowManager *wm = CTX_wm_manager(C);
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
Scene *scene = CTX_data_scene(C);
bGPdata *gpd;
int dflag = 0;
/* check that we have grease-pencil stuff to draw */
if (sa == NULL) return;
gpd = ED_gpencil_data_get_active(C); // XXX
if (gpd == NULL) return;
/* special hack for Image Editor */
/* FIXME: the opengl poly-strokes don't draw at right thickness when done this way, so disabled */
if (ELEM(sa->spacetype, SPACE_IMAGE, SPACE_CLIP))
dflag |= GP_DRAWDATA_IEDITHACK;
/* draw it! */
if (onlyv2d) dflag |= (GP_DRAWDATA_ONLYV2D | GP_DRAWDATA_NOSTATUS);
if (ED_screen_animation_playing(wm)) dflag |= GP_DRAWDATA_NO_ONIONS;
gp_draw_data_all(scene, gpd, 0, 0, ar->winx, ar->winy, CFRA, dflag, sa->spacetype);
/* draw status text (if in screen/pixel-space) */
if (onlyv2d == false) {
gp_draw_status_text(gpd, ar);
}
}
/* poll callback for checking if there is an active palette */
bool gp_active_palette_poll(bContext *C)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDpalette *palette = BKE_gpencil_palette_getactive(gpd);
return (palette != NULL);
}
static int gpencil_select_poll(bContext *C)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = gpencil_layer_getactive(gpd);
/* only if there's an active layer with an active frame */
return (gpl && gpl->actframe);
}
static int gpencil_editmode_toggle_exec(bContext *C, wmOperator *UNUSED(op))
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
if (gpd == NULL)
return OPERATOR_CANCELLED;
/* Just toggle editmode flag... */
gpd->flag ^= GP_DATA_STROKE_EDITMODE;
WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | ND_GPENCIL_EDITMODE, NULL);
WM_event_add_notifier(C, NC_SCENE | ND_MODE, NULL);
return OPERATOR_FINISHED;
}
static int gp_convert_poll(bContext *C)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = NULL;
bGPDframe *gpf = NULL;
ScrArea *sa = CTX_wm_area(C);
Scene *scene = CTX_data_scene(C);
/* only if the current view is 3D View, if there's valid data (i.e. at least one stroke!),
* and if we are not in edit mode!
*/
return ((sa && sa->spacetype == SPACE_VIEW3D) &&
(gpl = gpencil_layer_getactive(gpd)) &&
(gpf = gpencil_layer_getframe(gpl, CFRA, 0)) &&
(gpf->strokes.first) &&
(scene->obedit == NULL));
}
static int gpencil_select_all_exec(bContext *C, wmOperator *op)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
int action = RNA_enum_get(op->ptr, "action");
if (gpd == NULL) {
BKE_report(op->reports, RPT_ERROR, "No Grease Pencil data");
return OPERATOR_CANCELLED;
}
/* for "toggle", test for existing selected strokes */
if (action == SEL_TOGGLE) {
action = SEL_SELECT;
CTX_DATA_BEGIN(C, bGPDstroke *, gps, editable_gpencil_strokes)
{
if (gps->flag & GP_STROKE_SELECT) {
action = SEL_DESELECT;
break; // XXX: this only gets out of the inner loop...
}
}
CTX_DATA_END;
}
static int gp_convert_layer_exec(bContext *C, wmOperator *op)
{
PropertyRNA *prop = RNA_struct_find_property(op->ptr, "use_timing_data");
bGPdata *gpd = ED_gpencil_data_get_active(C);
bGPDlayer *gpl = gpencil_layer_getactive(gpd);
Scene *scene = CTX_data_scene(C);
const int mode = RNA_enum_get(op->ptr, "type");
const bool norm_weights = RNA_boolean_get(op->ptr, "use_normalize_weights");
const float rad_fac = RNA_float_get(op->ptr, "radius_multiplier");
const bool link_strokes = RNA_boolean_get(op->ptr, "use_link_strokes");
bool valid_timing;
tGpTimingData gtd;
/* check if there's data to work with */
if (gpd == NULL) {
BKE_report(op->reports, RPT_ERROR, "No Grease Pencil data to work on");
return OPERATOR_CANCELLED;
}
if (!RNA_property_is_set(op->ptr, prop) && !gp_convert_check_has_valid_timing(C, gpl, op)) {
BKE_report(op->reports, RPT_WARNING,
"Current Grease Pencil strokes have no valid timing data, most timing options will be hidden!");
}
valid_timing = RNA_property_boolean_get(op->ptr, prop);
gtd.mode = RNA_enum_get(op->ptr, "timing_mode");
/* Check for illegal timing mode! */
if (!valid_timing && !ELEM(gtd.mode, GP_STROKECONVERT_TIMING_NONE, GP_STROKECONVERT_TIMING_LINEAR)) {
gtd.mode = GP_STROKECONVERT_TIMING_LINEAR;
RNA_enum_set(op->ptr, "timing_mode", gtd.mode);
}
if (!link_strokes) {
gtd.mode = GP_STROKECONVERT_TIMING_NONE;
}
/* grab all relevant settings */
gtd.frame_range = RNA_int_get(op->ptr, "frame_range");
gtd.start_frame = RNA_int_get(op->ptr, "start_frame");
gtd.realtime = valid_timing ? RNA_boolean_get(op->ptr, "use_realtime") : false;
gtd.end_frame = RNA_int_get(op->ptr, "end_frame");
gtd.gap_duration = RNA_float_get(op->ptr, "gap_duration");
gtd.gap_randomness = RNA_float_get(op->ptr, "gap_randomness");
gtd.gap_randomness = min_ff(gtd.gap_randomness, gtd.gap_duration);
gtd.seed = RNA_int_get(op->ptr, "seed");
gtd.num_points = gtd.cur_point = 0;
gtd.dists = gtd.times = NULL;
gtd.tot_dist = gtd.tot_time = gtd.gap_tot_time = 0.0f;
gtd.inittime = 0.0;
gtd.offset_time = 0.0f;
/* perform conversion */
gp_layer_to_curve(C, op->reports, gpd, gpl, mode, norm_weights, rad_fac, link_strokes, >d);
/* free temp memory */
if (gtd.dists) {
MEM_freeN(gtd.dists);
gtd.dists = NULL;
}
if (gtd.times) {
MEM_freeN(gtd.times);
gtd.times = NULL;
}
/* notifiers */
WM_event_add_notifier(C, NC_OBJECT | NA_ADDED, NULL);
WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene);
/* done */
return OPERATOR_FINISHED;
}
/* draw grease-pencil sketches to specified 2d-view that uses ibuf corrections */
void ED_gpencil_draw_2dimage(const bContext *C)
{
wmWindowManager *wm = CTX_wm_manager(C);
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
Scene *scene = CTX_data_scene(C);
bGPdata *gpd;
int offsx, offsy, sizex, sizey;
int dflag = GP_DRAWDATA_NOSTATUS;
gpd = ED_gpencil_data_get_active(C); // XXX
if (gpd == NULL) return;
/* calculate rect */
switch (sa->spacetype) {
case SPACE_IMAGE: /* image */
case SPACE_CLIP: /* clip */
{
/* just draw using standard scaling (settings here are currently ignored anyways) */
/* FIXME: the opengl poly-strokes don't draw at right thickness when done this way, so disabled */
offsx = 0;
offsy = 0;
sizex = ar->winx;
sizey = ar->winy;
wmOrtho2(ar->v2d.cur.xmin, ar->v2d.cur.xmax, ar->v2d.cur.ymin, ar->v2d.cur.ymax);
dflag |= GP_DRAWDATA_ONLYV2D | GP_DRAWDATA_IEDITHACK;
break;
}
case SPACE_SEQ: /* sequence */
{
/* just draw using standard scaling (settings here are currently ignored anyways) */
offsx = 0;
offsy = 0;
sizex = ar->winx;
sizey = ar->winy;
/* NOTE: I2D was used in 2.4x, but the old settings for that have been deprecated
* and everything moved to standard View2d
*/
dflag |= GP_DRAWDATA_ONLYV2D;
break;
}
default: /* for spacetype not yet handled */
offsx = 0;
offsy = 0;
sizex = ar->winx;
sizey = ar->winy;
dflag |= GP_DRAWDATA_ONLYI2D;
break;
}
if (ED_screen_animation_playing(wm)) {
/* don't show onionskins during animation playback/scrub (i.e. it obscures the poses)
* OpenGL Renders (i.e. final output), or depth buffer (i.e. not real strokes)
*/
dflag |= GP_DRAWDATA_NO_ONIONS;
}
/* draw it! */
gp_draw_data_all(scene, gpd, offsx, offsy, sizex, sizey, CFRA, dflag, sa->spacetype);
}
static int gpencil_editmode_toggle_poll(bContext *C)
{
return ED_gpencil_data_get_active(C) != NULL;
}
static int gp_duplicate_exec(bContext *C, wmOperator *op)
{
bGPdata *gpd = ED_gpencil_data_get_active(C);
if (gpd == NULL) {
BKE_report(op->reports, RPT_ERROR, "No Grease Pencil data");
return OPERATOR_CANCELLED;
}
/* for each visible (and editable) layer's selected strokes,
* copy the strokes into a temporary buffer, then append
* once all done
*/
CTX_DATA_BEGIN(C, bGPDlayer *, gpl, editable_gpencil_layers)
{
ListBase new_strokes = {NULL, NULL};
bGPDframe *gpf = gpl->actframe;
bGPDstroke *gps;
if (gpf == NULL)
continue;
/* make copies of selected strokes, and deselect these once we're done */
for (gps = gpf->strokes.first; gps; gps = gps->next) {
/* skip strokes that are invalid for current view */
if (ED_gpencil_stroke_can_use(C, gps) == false)
continue;
if (gps->flag & GP_STROKE_SELECT) {
if (gps->totpoints == 1) {
/* Special Case: If there's just a single point in this stroke... */
bGPDstroke *gpsd;
/* make direct copies of the stroke and its points */
gpsd = MEM_dupallocN(gps);
gpsd->points = MEM_dupallocN(gps->points);
/* triangle information - will be calculated on next redraw */
gpsd->flag |= GP_STROKE_RECALC_CACHES;
gpsd->triangles = NULL;
/* add to temp buffer */
gpsd->next = gpsd->prev = NULL;
BLI_addtail(&new_strokes, gpsd);
}
else {
/* delegate to a helper, as there's too much to fit in here (for copying subsets)... */
gp_duplicate_points(gps, &new_strokes);
}
/* deselect original stroke, or else the originals get moved too
* (when using the copy + move macro)
*/
gps->flag &= ~GP_STROKE_SELECT;
}
}
/* add all new strokes in temp buffer to the frame (preventing double-copies) */
BLI_movelisttolist(&gpf->strokes, &new_strokes);
BLI_assert(new_strokes.first == NULL);
}