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Diffstat (limited to 'source/blender/editors/space_node/node_view.cc')
-rw-r--r--source/blender/editors/space_node/node_view.cc702
1 files changed, 702 insertions, 0 deletions
diff --git a/source/blender/editors/space_node/node_view.cc b/source/blender/editors/space_node/node_view.cc
new file mode 100644
index 00000000000..f0db0539c4f
--- /dev/null
+++ b/source/blender/editors/space_node/node_view.cc
@@ -0,0 +1,702 @@
+/*
+ * 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2008 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup spnode
+ */
+
+#include "DNA_node_types.h"
+
+#include "BLI_math.h"
+#include "BLI_rect.h"
+#include "BLI_utildefines.h"
+
+#include "BKE_context.h"
+#include "BKE_image.h"
+#include "BKE_main.h"
+#include "BKE_node.h"
+#include "BKE_screen.h"
+
+#include "ED_image.h"
+#include "ED_node.h" /* own include */
+#include "ED_screen.h"
+#include "ED_space_api.h"
+
+#include "RNA_access.h"
+#include "RNA_define.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "UI_view2d.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "IMB_colormanagement.h"
+#include "IMB_imbuf.h"
+#include "IMB_imbuf_types.h"
+
+#include "node_intern.h" /* own include */
+
+/* -------------------------------------------------------------------- */
+/** \name View All Operator
+ * \{ */
+
+int space_node_view_flag(
+ bContext *C, SpaceNode *snode, ARegion *region, const int node_flag, const int smooth_viewtx)
+{
+ bNode *node;
+ rctf cur_new;
+ float oldwidth, oldheight, width, height;
+ float oldasp, asp;
+ int tot = 0;
+ bool has_frame = false;
+
+ oldwidth = BLI_rctf_size_x(&region->v2d.cur);
+ oldheight = BLI_rctf_size_y(&region->v2d.cur);
+
+ oldasp = oldwidth / oldheight;
+
+ BLI_rctf_init_minmax(&cur_new);
+
+ if (snode->edittree) {
+ for (node = (bNode *)snode->edittree->nodes.first; node; node = node->next) {
+ if ((node->flag & node_flag) == node_flag) {
+ BLI_rctf_union(&cur_new, &node->totr);
+ tot++;
+
+ if (node->type == NODE_FRAME) {
+ has_frame = true;
+ }
+ }
+ }
+ }
+
+ if (tot) {
+ width = BLI_rctf_size_x(&cur_new);
+ height = BLI_rctf_size_y(&cur_new);
+ asp = width / height;
+
+ /* for single non-frame nodes, don't zoom in, just pan view,
+ * but do allow zooming out, this allows for big nodes to be zoomed out */
+ if ((tot == 1) && (has_frame == false) && ((oldwidth * oldheight) > (width * height))) {
+ /* center, don't zoom */
+ BLI_rctf_resize(&cur_new, oldwidth, oldheight);
+ }
+ else {
+ if (oldasp < asp) {
+ const float height_new = width / oldasp;
+ cur_new.ymin = cur_new.ymin - height_new / 2.0f;
+ cur_new.ymax = cur_new.ymax + height_new / 2.0f;
+ }
+ else {
+ const float width_new = height * oldasp;
+ cur_new.xmin = cur_new.xmin - width_new / 2.0f;
+ cur_new.xmax = cur_new.xmax + width_new / 2.0f;
+ }
+
+ /* add some padding */
+ BLI_rctf_scale(&cur_new, 1.1f);
+ }
+
+ UI_view2d_smooth_view(C, region, &cur_new, smooth_viewtx);
+ }
+
+ return (tot != 0);
+}
+
+static int node_view_all_exec(bContext *C, wmOperator *op)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
+
+ /* is this really needed? */
+ snode->xof = 0;
+ snode->yof = 0;
+
+ if (space_node_view_flag(C, snode, region, 0, smooth_viewtx)) {
+ return OPERATOR_FINISHED;
+ }
+ return OPERATOR_CANCELLED;
+}
+
+void NODE_OT_view_all(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Frame All";
+ ot->idname = "NODE_OT_view_all";
+ ot->description = "Resize view so you can see all nodes";
+
+ /* api callbacks */
+ ot->exec = node_view_all_exec;
+ ot->poll = ED_operator_node_active;
+
+ /* flags */
+ ot->flag = 0;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name View Selected Operator
+ * \{ */
+
+static int node_view_selected_exec(bContext *C, wmOperator *op)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
+
+ if (space_node_view_flag(C, snode, region, NODE_SELECT, smooth_viewtx)) {
+ return OPERATOR_FINISHED;
+ }
+ return OPERATOR_CANCELLED;
+}
+
+void NODE_OT_view_selected(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Frame Selected";
+ ot->idname = "NODE_OT_view_selected";
+ ot->description = "Resize view so you can see selected nodes";
+
+ /* api callbacks */
+ ot->exec = node_view_selected_exec;
+ ot->poll = ED_operator_node_active;
+
+ /* flags */
+ ot->flag = 0;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Background Image Operators
+ * \{ */
+
+struct NodeViewMove {
+ int mvalo[2];
+ int xmin, ymin, xmax, ymax;
+};
+
+static int snode_bg_viewmove_modal(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ NodeViewMove *nvm = (NodeViewMove *)op->customdata;
+
+ switch (event->type) {
+ case MOUSEMOVE:
+
+ snode->xof -= (nvm->mvalo[0] - event->mval[0]);
+ snode->yof -= (nvm->mvalo[1] - event->mval[1]);
+ nvm->mvalo[0] = event->mval[0];
+ nvm->mvalo[1] = event->mval[1];
+
+ /* prevent dragging image outside of the window and losing it! */
+ CLAMP(snode->xof, nvm->xmin, nvm->xmax);
+ CLAMP(snode->yof, nvm->ymin, nvm->ymax);
+
+ ED_region_tag_redraw(region);
+ WM_main_add_notifier(NC_NODE | ND_DISPLAY, nullptr);
+ WM_main_add_notifier(NC_SPACE | ND_SPACE_NODE_VIEW, nullptr);
+
+ break;
+
+ case LEFTMOUSE:
+ case MIDDLEMOUSE:
+ case RIGHTMOUSE:
+ if (event->val == KM_RELEASE) {
+ MEM_freeN(nvm);
+ op->customdata = nullptr;
+ return OPERATOR_FINISHED;
+ }
+ break;
+ }
+
+ return OPERATOR_RUNNING_MODAL;
+}
+
+static int snode_bg_viewmove_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ NodeViewMove *nvm;
+ Image *ima;
+ ImBuf *ibuf;
+ const float pad = 32.0f; /* better be bigger than scrollbars */
+
+ void *lock;
+
+ ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
+ ibuf = BKE_image_acquire_ibuf(ima, nullptr, &lock);
+
+ if (ibuf == nullptr) {
+ BKE_image_release_ibuf(ima, ibuf, lock);
+ return OPERATOR_CANCELLED;
+ }
+
+ nvm = (NodeViewMove *)MEM_callocN(sizeof(NodeViewMove), "NodeViewMove struct");
+ op->customdata = nvm;
+ nvm->mvalo[0] = event->mval[0];
+ nvm->mvalo[1] = event->mval[1];
+
+ nvm->xmin = -(region->winx / 2) - (ibuf->x * (0.5f * snode->zoom)) + pad;
+ nvm->xmax = (region->winx / 2) + (ibuf->x * (0.5f * snode->zoom)) - pad;
+ nvm->ymin = -(region->winy / 2) - (ibuf->y * (0.5f * snode->zoom)) + pad;
+ nvm->ymax = (region->winy / 2) + (ibuf->y * (0.5f * snode->zoom)) - pad;
+
+ BKE_image_release_ibuf(ima, ibuf, lock);
+
+ /* add modal handler */
+ WM_event_add_modal_handler(C, op);
+
+ return OPERATOR_RUNNING_MODAL;
+}
+
+static void snode_bg_viewmove_cancel(bContext *UNUSED(C), wmOperator *op)
+{
+ MEM_freeN(op->customdata);
+ op->customdata = nullptr;
+}
+
+void NODE_OT_backimage_move(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Background Image Move";
+ ot->description = "Move node backdrop";
+ ot->idname = "NODE_OT_backimage_move";
+
+ /* api callbacks */
+ ot->invoke = snode_bg_viewmove_invoke;
+ ot->modal = snode_bg_viewmove_modal;
+ ot->poll = composite_node_active;
+ ot->cancel = snode_bg_viewmove_cancel;
+
+ /* flags */
+ ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR_XY;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Background Image Zoom
+ * \{ */
+
+static int backimage_zoom_exec(bContext *C, wmOperator *op)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ float fac = RNA_float_get(op->ptr, "factor");
+
+ snode->zoom *= fac;
+ ED_region_tag_redraw(region);
+ WM_main_add_notifier(NC_NODE | ND_DISPLAY, nullptr);
+ WM_main_add_notifier(NC_SPACE | ND_SPACE_NODE_VIEW, nullptr);
+
+ return OPERATOR_FINISHED;
+}
+
+void NODE_OT_backimage_zoom(wmOperatorType *ot)
+{
+
+ /* identifiers */
+ ot->name = "Background Image Zoom";
+ ot->idname = "NODE_OT_backimage_zoom";
+ ot->description = "Zoom in/out the background image";
+
+ /* api callbacks */
+ ot->exec = backimage_zoom_exec;
+ ot->poll = composite_node_active;
+
+ /* flags */
+ ot->flag = OPTYPE_BLOCKING;
+
+ /* internal */
+ RNA_def_float(ot->srna, "factor", 1.2f, 0.0f, 10.0f, "Factor", "", 0.0f, 10.0f);
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Background Image Fit
+ * \{ */
+
+static int backimage_fit_exec(bContext *C, wmOperator *UNUSED(op))
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+
+ Image *ima;
+ ImBuf *ibuf;
+
+ const float pad = 32.0f;
+
+ void *lock;
+
+ float facx, facy;
+
+ ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
+ ibuf = BKE_image_acquire_ibuf(ima, nullptr, &lock);
+
+ if ((ibuf == nullptr) || (ibuf->x == 0) || (ibuf->y == 0)) {
+ BKE_image_release_ibuf(ima, ibuf, lock);
+ return OPERATOR_CANCELLED;
+ }
+
+ facx = 1.0f * (region->sizex - pad) / (ibuf->x * snode->zoom);
+ facy = 1.0f * (region->sizey - pad) / (ibuf->y * snode->zoom);
+
+ BKE_image_release_ibuf(ima, ibuf, lock);
+
+ snode->zoom *= min_ff(facx, facy) * U.dpi_fac;
+
+ snode->xof = 0;
+ snode->yof = 0;
+
+ ED_region_tag_redraw(region);
+ WM_main_add_notifier(NC_NODE | ND_DISPLAY, nullptr);
+ WM_main_add_notifier(NC_SPACE | ND_SPACE_NODE_VIEW, nullptr);
+
+ return OPERATOR_FINISHED;
+}
+
+void NODE_OT_backimage_fit(wmOperatorType *ot)
+{
+
+ /* identifiers */
+ ot->name = "Background Image Fit";
+ ot->idname = "NODE_OT_backimage_fit";
+ ot->description = "Fit the background image to the view";
+
+ /* api callbacks */
+ ot->exec = backimage_fit_exec;
+ ot->poll = composite_node_active;
+
+ /* flags */
+ ot->flag = OPTYPE_BLOCKING;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Sample Backdrop Operator
+ * \{ */
+
+struct ImageSampleInfo {
+ ARegionType *art;
+ void *draw_handle;
+ int x, y;
+ int channels;
+
+ uchar col[4];
+ float colf[4];
+ float linearcol[4];
+
+ int z;
+ float zf;
+
+ int *zp;
+ float *zfp;
+
+ int draw;
+ int color_manage;
+};
+
+static void sample_draw(const bContext *C, ARegion *region, void *arg_info)
+{
+ Scene *scene = CTX_data_scene(C);
+ ImageSampleInfo *info = (ImageSampleInfo *)arg_info;
+
+ if (info->draw) {
+ ED_image_draw_info(scene,
+ region,
+ info->color_manage,
+ false,
+ info->channels,
+ info->x,
+ info->y,
+ info->col,
+ info->colf,
+ info->linearcol,
+ info->zp,
+ info->zfp);
+ }
+}
+
+/* Returns mouse position in image space. */
+bool ED_space_node_get_position(
+ Main *bmain, SpaceNode *snode, struct ARegion *region, const int mval[2], float fpos[2])
+{
+ if (!ED_node_is_compositor(snode) || (snode->flag & SNODE_BACKDRAW) == 0) {
+ return false;
+ }
+
+ void *lock;
+ Image *ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
+ ImBuf *ibuf = BKE_image_acquire_ibuf(ima, nullptr, &lock);
+ if (!ibuf) {
+ BKE_image_release_ibuf(ima, ibuf, lock);
+ return false;
+ }
+
+ /* map the mouse coords to the backdrop image space */
+ float bufx = ibuf->x * snode->zoom;
+ float bufy = ibuf->y * snode->zoom;
+ fpos[0] = (bufx > 0.0f ? ((float)mval[0] - 0.5f * region->winx - snode->xof) / bufx + 0.5f :
+ 0.0f);
+ fpos[1] = (bufy > 0.0f ? ((float)mval[1] - 0.5f * region->winy - snode->yof) / bufy + 0.5f :
+ 0.0f);
+
+ BKE_image_release_ibuf(ima, ibuf, lock);
+ return true;
+}
+
+/* Returns color in linear space, matching ED_space_image_color_sample().
+ * And here we've got recursion in the comments tips...
+ */
+bool ED_space_node_color_sample(
+ Main *bmain, SpaceNode *snode, ARegion *region, const int mval[2], float r_col[3])
+{
+ void *lock;
+ Image *ima;
+ ImBuf *ibuf;
+ float fx, fy, bufx, bufy;
+ bool ret = false;
+
+ if (!ED_node_is_compositor(snode) || (snode->flag & SNODE_BACKDRAW) == 0) {
+ /* use viewer image for color sampling only if we're in compositor tree
+ * with backdrop enabled
+ */
+ return false;
+ }
+
+ ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
+ ibuf = BKE_image_acquire_ibuf(ima, nullptr, &lock);
+ if (!ibuf) {
+ return false;
+ }
+
+ /* map the mouse coords to the backdrop image space */
+ bufx = ibuf->x * snode->zoom;
+ bufy = ibuf->y * snode->zoom;
+ fx = (bufx > 0.0f ? ((float)mval[0] - 0.5f * region->winx - snode->xof) / bufx + 0.5f : 0.0f);
+ fy = (bufy > 0.0f ? ((float)mval[1] - 0.5f * region->winy - snode->yof) / bufy + 0.5f : 0.0f);
+
+ if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
+ const float *fp;
+ uchar *cp;
+ int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
+
+ CLAMP(x, 0, ibuf->x - 1);
+ CLAMP(y, 0, ibuf->y - 1);
+
+ if (ibuf->rect_float) {
+ fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
+ /* #IB_PROFILE_NONE is default but in fact its linear. */
+ copy_v3_v3(r_col, fp);
+ ret = true;
+ }
+ else if (ibuf->rect) {
+ cp = (uchar *)(ibuf->rect + y * ibuf->x + x);
+ rgb_uchar_to_float(r_col, cp);
+ IMB_colormanagement_colorspace_to_scene_linear_v3(r_col, ibuf->rect_colorspace);
+ ret = true;
+ }
+ }
+
+ BKE_image_release_ibuf(ima, ibuf, lock);
+
+ return ret;
+}
+
+static void sample_apply(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ ImageSampleInfo *info = (ImageSampleInfo *)op->customdata;
+ void *lock;
+ Image *ima;
+ ImBuf *ibuf;
+ float fx, fy, bufx, bufy;
+
+ ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
+ ibuf = BKE_image_acquire_ibuf(ima, nullptr, &lock);
+ if (!ibuf) {
+ info->draw = 0;
+ return;
+ }
+
+ if (!ibuf->rect) {
+ IMB_rect_from_float(ibuf);
+ }
+
+ /* map the mouse coords to the backdrop image space */
+ bufx = ibuf->x * snode->zoom;
+ bufy = ibuf->y * snode->zoom;
+ fx = (bufx > 0.0f ? ((float)event->mval[0] - 0.5f * region->winx - snode->xof) / bufx + 0.5f :
+ 0.0f);
+ fy = (bufy > 0.0f ? ((float)event->mval[1] - 0.5f * region->winy - snode->yof) / bufy + 0.5f :
+ 0.0f);
+
+ if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
+ const float *fp;
+ uchar *cp;
+ int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
+
+ CLAMP(x, 0, ibuf->x - 1);
+ CLAMP(y, 0, ibuf->y - 1);
+
+ info->x = x;
+ info->y = y;
+ info->draw = 1;
+ info->channels = ibuf->channels;
+
+ info->zp = nullptr;
+ info->zfp = nullptr;
+
+ if (ibuf->rect) {
+ cp = (uchar *)(ibuf->rect + y * ibuf->x + x);
+
+ info->col[0] = cp[0];
+ info->col[1] = cp[1];
+ info->col[2] = cp[2];
+ info->col[3] = cp[3];
+
+ info->colf[0] = (float)cp[0] / 255.0f;
+ info->colf[1] = (float)cp[1] / 255.0f;
+ info->colf[2] = (float)cp[2] / 255.0f;
+ info->colf[3] = (float)cp[3] / 255.0f;
+
+ copy_v4_v4(info->linearcol, info->colf);
+ IMB_colormanagement_colorspace_to_scene_linear_v4(
+ info->linearcol, false, ibuf->rect_colorspace);
+
+ info->color_manage = true;
+ }
+ if (ibuf->rect_float) {
+ fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
+
+ info->colf[0] = fp[0];
+ info->colf[1] = fp[1];
+ info->colf[2] = fp[2];
+ info->colf[3] = fp[3];
+
+ info->color_manage = true;
+ }
+
+ if (ibuf->zbuf) {
+ info->z = ibuf->zbuf[y * ibuf->x + x];
+ info->zp = &info->z;
+ }
+ if (ibuf->zbuf_float) {
+ info->zf = ibuf->zbuf_float[y * ibuf->x + x];
+ info->zfp = &info->zf;
+ }
+
+ ED_node_sample_set(info->colf);
+ }
+ else {
+ info->draw = 0;
+ ED_node_sample_set(nullptr);
+ }
+
+ BKE_image_release_ibuf(ima, ibuf, lock);
+
+ ED_area_tag_redraw(CTX_wm_area(C));
+}
+
+static void sample_exit(bContext *C, wmOperator *op)
+{
+ ImageSampleInfo *info = (ImageSampleInfo *)op->customdata;
+
+ ED_node_sample_set(nullptr);
+ ED_region_draw_cb_exit(info->art, info->draw_handle);
+ ED_area_tag_redraw(CTX_wm_area(C));
+ MEM_freeN(info);
+}
+
+static int sample_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ ImageSampleInfo *info;
+
+ if (!ED_node_is_compositor(snode) || !(snode->flag & SNODE_BACKDRAW)) {
+ return OPERATOR_CANCELLED;
+ }
+
+ info = (ImageSampleInfo *)MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
+ info->art = region->type;
+ info->draw_handle = ED_region_draw_cb_activate(
+ region->type, sample_draw, info, REGION_DRAW_POST_PIXEL);
+ op->customdata = info;
+
+ sample_apply(C, op, event);
+
+ WM_event_add_modal_handler(C, op);
+
+ return OPERATOR_RUNNING_MODAL;
+}
+
+static int sample_modal(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ switch (event->type) {
+ case LEFTMOUSE:
+ case RIGHTMOUSE: /* XXX hardcoded */
+ if (event->val == KM_RELEASE) {
+ sample_exit(C, op);
+ return OPERATOR_CANCELLED;
+ }
+ break;
+ case MOUSEMOVE:
+ sample_apply(C, op, event);
+ break;
+ }
+
+ return OPERATOR_RUNNING_MODAL;
+}
+
+static void sample_cancel(bContext *C, wmOperator *op)
+{
+ sample_exit(C, op);
+}
+
+void NODE_OT_backimage_sample(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Backimage Sample";
+ ot->idname = "NODE_OT_backimage_sample";
+ ot->description = "Use mouse to sample background image";
+
+ /* api callbacks */
+ ot->invoke = sample_invoke;
+ ot->modal = sample_modal;
+ ot->cancel = sample_cancel;
+ ot->poll = ED_operator_node_active;
+
+ /* flags */
+ ot->flag = OPTYPE_BLOCKING;
+}
+
+/** \} */