646 lines
20 KiB
C
646 lines
20 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/** \file
|
|
* \ingroup spnode
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
#include "BLI_math_matrix.h"
|
|
#include "BLI_math_vector.h"
|
|
#include "BLI_rect.h"
|
|
#include "BLI_utildefines.h"
|
|
|
|
#include "BKE_context.h"
|
|
#include "BKE_image.h"
|
|
#include "BKE_main.h"
|
|
|
|
#include "ED_gizmo_library.h"
|
|
#include "ED_screen.h"
|
|
|
|
#include "IMB_imbuf_types.h"
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "RNA_access.h"
|
|
|
|
#include "WM_api.h"
|
|
#include "WM_types.h"
|
|
|
|
#include "node_intern.h"
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Local Utilities
|
|
* \{ */
|
|
|
|
static void node_gizmo_calc_matrix_space(const SpaceNode *snode,
|
|
const ARegion *region,
|
|
float matrix_space[4][4])
|
|
{
|
|
unit_m4(matrix_space);
|
|
mul_v3_fl(matrix_space[0], snode->zoom);
|
|
mul_v3_fl(matrix_space[1], snode->zoom);
|
|
matrix_space[3][0] = (region->winx / 2) + snode->xof;
|
|
matrix_space[3][1] = (region->winy / 2) + snode->yof;
|
|
}
|
|
|
|
static void node_gizmo_calc_matrix_space_with_image_dims(const SpaceNode *snode,
|
|
const ARegion *region,
|
|
const float image_dims[2],
|
|
float matrix_space[4][4])
|
|
{
|
|
unit_m4(matrix_space);
|
|
mul_v3_fl(matrix_space[0], snode->zoom * image_dims[0]);
|
|
mul_v3_fl(matrix_space[1], snode->zoom * image_dims[1]);
|
|
matrix_space[3][0] = ((region->winx / 2) + snode->xof) - ((image_dims[0] / 2.0f) * snode->zoom);
|
|
matrix_space[3][1] = ((region->winy / 2) + snode->yof) - ((image_dims[1] / 2.0f) * snode->zoom);
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Backdrop Gizmo
|
|
* \{ */
|
|
|
|
static void gizmo_node_backdrop_prop_matrix_get(const wmGizmo *UNUSED(gz),
|
|
wmGizmoProperty *gz_prop,
|
|
void *value_p)
|
|
{
|
|
float(*matrix)[4] = value_p;
|
|
BLI_assert(gz_prop->type->array_length == 16);
|
|
const SpaceNode *snode = gz_prop->custom_func.user_data;
|
|
matrix[0][0] = snode->zoom;
|
|
matrix[1][1] = snode->zoom;
|
|
matrix[3][0] = snode->xof;
|
|
matrix[3][1] = snode->yof;
|
|
}
|
|
|
|
static void gizmo_node_backdrop_prop_matrix_set(const wmGizmo *UNUSED(gz),
|
|
wmGizmoProperty *gz_prop,
|
|
const void *value_p)
|
|
{
|
|
const float(*matrix)[4] = value_p;
|
|
BLI_assert(gz_prop->type->array_length == 16);
|
|
SpaceNode *snode = gz_prop->custom_func.user_data;
|
|
snode->zoom = matrix[0][0];
|
|
snode->xof = matrix[3][0];
|
|
snode->yof = matrix[3][1];
|
|
}
|
|
|
|
static bool WIDGETGROUP_node_transform_poll(const bContext *C, wmGizmoGroupType *UNUSED(gzgt))
|
|
{
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
if ((snode->flag & SNODE_BACKDRAW) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (snode && snode->edittree && snode->edittree->type == NTREE_COMPOSIT) {
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
if (node && ELEM(node->type, CMP_NODE_VIEWER, CMP_NODE_SPLITVIEWER)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_transform_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
|
|
{
|
|
wmGizmoWrapper *wwrapper = MEM_mallocN(sizeof(wmGizmoWrapper), __func__);
|
|
|
|
wwrapper->gizmo = WM_gizmo_new("GIZMO_GT_cage_2d", gzgroup, NULL);
|
|
|
|
RNA_enum_set(wwrapper->gizmo->ptr,
|
|
"transform",
|
|
ED_GIZMO_CAGE2D_XFORM_FLAG_TRANSLATE | ED_GIZMO_CAGE2D_XFORM_FLAG_SCALE_UNIFORM);
|
|
|
|
gzgroup->customdata = wwrapper;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_transform_refresh(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
Main *bmain = CTX_data_main(C);
|
|
wmGizmo *cage = ((wmGizmoWrapper *)gzgroup->customdata)->gizmo;
|
|
const ARegion *region = CTX_wm_region(C);
|
|
/* center is always at the origin */
|
|
const float origin[3] = {region->winx / 2, region->winy / 2};
|
|
|
|
void *lock;
|
|
Image *ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
|
|
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
|
|
|
|
if (ibuf) {
|
|
const float dims[2] = {
|
|
(ibuf->x > 0) ? ibuf->x : 64.0f,
|
|
(ibuf->y > 0) ? ibuf->y : 64.0f,
|
|
};
|
|
|
|
RNA_float_set_array(cage->ptr, "dimensions", dims);
|
|
WM_gizmo_set_matrix_location(cage, origin);
|
|
WM_gizmo_set_flag(cage, WM_GIZMO_HIDDEN, false);
|
|
|
|
/* need to set property here for undo. TODO would prefer to do this in _init */
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
#if 0
|
|
PointerRNA nodeptr;
|
|
RNA_pointer_create(snode->id, &RNA_SpaceNodeEditor, snode, &nodeptr);
|
|
WM_gizmo_target_property_def_rna(cage, "offset", &nodeptr, "backdrop_offset", -1);
|
|
WM_gizmo_target_property_def_rna(cage, "scale", &nodeptr, "backdrop_zoom", -1);
|
|
#endif
|
|
|
|
WM_gizmo_target_property_def_func(cage,
|
|
"matrix",
|
|
&(const struct wmGizmoPropertyFnParams){
|
|
.value_get_fn = gizmo_node_backdrop_prop_matrix_get,
|
|
.value_set_fn = gizmo_node_backdrop_prop_matrix_set,
|
|
.range_get_fn = NULL,
|
|
.user_data = snode,
|
|
});
|
|
}
|
|
else {
|
|
WM_gizmo_set_flag(cage, WM_GIZMO_HIDDEN, true);
|
|
}
|
|
|
|
BKE_image_release_ibuf(ima, ibuf, lock);
|
|
}
|
|
|
|
void NODE_GGT_backdrop_transform(wmGizmoGroupType *gzgt)
|
|
{
|
|
gzgt->name = "Backdrop Transform Widget";
|
|
gzgt->idname = "NODE_GGT_backdrop_transform";
|
|
|
|
gzgt->flag |= WM_GIZMOGROUPTYPE_PERSISTENT;
|
|
|
|
gzgt->poll = WIDGETGROUP_node_transform_poll;
|
|
gzgt->setup = WIDGETGROUP_node_transform_setup;
|
|
gzgt->setup_keymap = WM_gizmogroup_setup_keymap_generic_maybe_drag;
|
|
gzgt->refresh = WIDGETGROUP_node_transform_refresh;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Crop Gizmo
|
|
* \{ */
|
|
|
|
struct NodeCropWidgetGroup {
|
|
wmGizmo *border;
|
|
|
|
struct {
|
|
float dims[2];
|
|
} state;
|
|
|
|
struct {
|
|
PointerRNA ptr;
|
|
PropertyRNA *prop;
|
|
bContext *context;
|
|
} update_data;
|
|
};
|
|
|
|
static void gizmo_node_crop_update(struct NodeCropWidgetGroup *crop_group)
|
|
{
|
|
RNA_property_update(
|
|
crop_group->update_data.context, &crop_group->update_data.ptr, crop_group->update_data.prop);
|
|
}
|
|
|
|
static void two_xy_to_rect(const NodeTwoXYs *nxy,
|
|
rctf *rect,
|
|
const float dims[2],
|
|
bool is_relative)
|
|
{
|
|
if (is_relative) {
|
|
rect->xmin = nxy->fac_x1;
|
|
rect->xmax = nxy->fac_x2;
|
|
rect->ymin = nxy->fac_y1;
|
|
rect->ymax = nxy->fac_y2;
|
|
}
|
|
else {
|
|
rect->xmin = nxy->x1 / dims[0];
|
|
rect->xmax = nxy->x2 / dims[0];
|
|
rect->ymin = nxy->y1 / dims[1];
|
|
rect->ymax = nxy->y2 / dims[1];
|
|
}
|
|
}
|
|
|
|
static void two_xy_from_rect(NodeTwoXYs *nxy,
|
|
const rctf *rect,
|
|
const float dims[2],
|
|
bool is_relative)
|
|
{
|
|
if (is_relative) {
|
|
nxy->fac_x1 = rect->xmin;
|
|
nxy->fac_x2 = rect->xmax;
|
|
nxy->fac_y1 = rect->ymin;
|
|
nxy->fac_y2 = rect->ymax;
|
|
}
|
|
else {
|
|
nxy->x1 = rect->xmin * dims[0];
|
|
nxy->x2 = rect->xmax * dims[0];
|
|
nxy->y1 = rect->ymin * dims[1];
|
|
nxy->y2 = rect->ymax * dims[1];
|
|
}
|
|
}
|
|
|
|
/* scale callbacks */
|
|
static void gizmo_node_crop_prop_matrix_get(const wmGizmo *gz,
|
|
wmGizmoProperty *gz_prop,
|
|
void *value_p)
|
|
{
|
|
float(*matrix)[4] = value_p;
|
|
BLI_assert(gz_prop->type->array_length == 16);
|
|
struct NodeCropWidgetGroup *crop_group = gz->parent_gzgroup->customdata;
|
|
const float *dims = crop_group->state.dims;
|
|
const bNode *node = gz_prop->custom_func.user_data;
|
|
const NodeTwoXYs *nxy = node->storage;
|
|
bool is_relative = (bool)node->custom2;
|
|
rctf rct;
|
|
two_xy_to_rect(nxy, &rct, dims, is_relative);
|
|
matrix[0][0] = fabsf(BLI_rctf_size_x(&rct));
|
|
matrix[1][1] = fabsf(BLI_rctf_size_y(&rct));
|
|
matrix[3][0] = (BLI_rctf_cent_x(&rct) - 0.5f) * dims[0];
|
|
matrix[3][1] = (BLI_rctf_cent_y(&rct) - 0.5f) * dims[1];
|
|
}
|
|
|
|
static void gizmo_node_crop_prop_matrix_set(const wmGizmo *gz,
|
|
wmGizmoProperty *gz_prop,
|
|
const void *value_p)
|
|
{
|
|
const float(*matrix)[4] = value_p;
|
|
BLI_assert(gz_prop->type->array_length == 16);
|
|
struct NodeCropWidgetGroup *crop_group = gz->parent_gzgroup->customdata;
|
|
const float *dims = crop_group->state.dims;
|
|
bNode *node = gz_prop->custom_func.user_data;
|
|
NodeTwoXYs *nxy = node->storage;
|
|
bool is_relative = (bool)node->custom2;
|
|
rctf rct;
|
|
two_xy_to_rect(nxy, &rct, dims, is_relative);
|
|
const bool nx = rct.xmin > rct.xmax;
|
|
const bool ny = rct.ymin > rct.ymax;
|
|
BLI_rctf_resize(&rct, fabsf(matrix[0][0]), fabsf(matrix[1][1]));
|
|
BLI_rctf_recenter(&rct, (matrix[3][0] / dims[0]) + 0.5f, (matrix[3][1] / dims[1]) + 0.5f);
|
|
BLI_rctf_isect(
|
|
&(rctf){
|
|
.xmin = 0,
|
|
.ymin = 0,
|
|
.xmax = 1,
|
|
.ymax = 1,
|
|
},
|
|
&rct,
|
|
&rct);
|
|
if (nx) {
|
|
SWAP(float, rct.xmin, rct.xmax);
|
|
}
|
|
if (ny) {
|
|
SWAP(float, rct.ymin, rct.ymax);
|
|
}
|
|
two_xy_from_rect(nxy, &rct, dims, is_relative);
|
|
gizmo_node_crop_update(crop_group);
|
|
}
|
|
|
|
static bool WIDGETGROUP_node_crop_poll(const bContext *C, wmGizmoGroupType *UNUSED(gzgt))
|
|
{
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
if ((snode->flag & SNODE_BACKDRAW) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (snode && snode->edittree && snode->edittree->type == NTREE_COMPOSIT) {
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
if (node && ELEM(node->type, CMP_NODE_CROP)) {
|
|
/* ignore 'use_crop_size', we can't usefully edit the crop in this case. */
|
|
if ((node->custom1 & (1 << 0)) == 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_crop_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
|
|
{
|
|
struct NodeCropWidgetGroup *crop_group = MEM_mallocN(sizeof(struct NodeCropWidgetGroup),
|
|
__func__);
|
|
|
|
crop_group->border = WM_gizmo_new("GIZMO_GT_cage_2d", gzgroup, NULL);
|
|
|
|
RNA_enum_set(crop_group->border->ptr,
|
|
"transform",
|
|
ED_GIZMO_CAGE2D_XFORM_FLAG_TRANSLATE | ED_GIZMO_CAGE2D_XFORM_FLAG_SCALE);
|
|
|
|
gzgroup->customdata = crop_group;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_crop_draw_prepare(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
ARegion *region = CTX_wm_region(C);
|
|
wmGizmo *gz = gzgroup->gizmos.first;
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
node_gizmo_calc_matrix_space(snode, region, gz->matrix_space);
|
|
}
|
|
|
|
static void WIDGETGROUP_node_crop_refresh(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
Main *bmain = CTX_data_main(C);
|
|
struct NodeCropWidgetGroup *crop_group = gzgroup->customdata;
|
|
wmGizmo *gz = crop_group->border;
|
|
|
|
void *lock;
|
|
Image *ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
|
|
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
|
|
|
|
if (ibuf) {
|
|
crop_group->state.dims[0] = (ibuf->x > 0) ? ibuf->x : 64.0f;
|
|
crop_group->state.dims[1] = (ibuf->y > 0) ? ibuf->y : 64.0f;
|
|
|
|
RNA_float_set_array(gz->ptr, "dimensions", crop_group->state.dims);
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_HIDDEN, false);
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
crop_group->update_data.context = (bContext *)C;
|
|
RNA_pointer_create(
|
|
(ID *)snode->edittree, &RNA_CompositorNodeCrop, node, &crop_group->update_data.ptr);
|
|
crop_group->update_data.prop = RNA_struct_find_property(&crop_group->update_data.ptr,
|
|
"relative");
|
|
|
|
WM_gizmo_target_property_def_func(gz,
|
|
"matrix",
|
|
&(const struct wmGizmoPropertyFnParams){
|
|
.value_get_fn = gizmo_node_crop_prop_matrix_get,
|
|
.value_set_fn = gizmo_node_crop_prop_matrix_set,
|
|
.range_get_fn = NULL,
|
|
.user_data = node,
|
|
});
|
|
}
|
|
else {
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_HIDDEN, true);
|
|
}
|
|
|
|
BKE_image_release_ibuf(ima, ibuf, lock);
|
|
}
|
|
|
|
void NODE_GGT_backdrop_crop(wmGizmoGroupType *gzgt)
|
|
{
|
|
gzgt->name = "Backdrop Crop Widget";
|
|
gzgt->idname = "NODE_GGT_backdrop_crop";
|
|
|
|
gzgt->flag |= WM_GIZMOGROUPTYPE_PERSISTENT;
|
|
|
|
gzgt->poll = WIDGETGROUP_node_crop_poll;
|
|
gzgt->setup = WIDGETGROUP_node_crop_setup;
|
|
gzgt->setup_keymap = WM_gizmogroup_setup_keymap_generic_maybe_drag;
|
|
gzgt->draw_prepare = WIDGETGROUP_node_crop_draw_prepare;
|
|
gzgt->refresh = WIDGETGROUP_node_crop_refresh;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Sun Beams
|
|
* \{ */
|
|
|
|
struct NodeSunBeamsWidgetGroup {
|
|
wmGizmo *gizmo;
|
|
|
|
struct {
|
|
float dims[2];
|
|
} state;
|
|
};
|
|
|
|
static bool WIDGETGROUP_node_sbeam_poll(const bContext *C, wmGizmoGroupType *UNUSED(gzgt))
|
|
{
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
if ((snode->flag & SNODE_BACKDRAW) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (snode && snode->edittree && snode->edittree->type == NTREE_COMPOSIT) {
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
if (node && ELEM(node->type, CMP_NODE_SUNBEAMS)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_sbeam_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
|
|
{
|
|
struct NodeSunBeamsWidgetGroup *sbeam_group = MEM_mallocN(sizeof(struct NodeSunBeamsWidgetGroup),
|
|
__func__);
|
|
|
|
sbeam_group->gizmo = WM_gizmo_new("GIZMO_GT_move_3d", gzgroup, NULL);
|
|
wmGizmo *gz = sbeam_group->gizmo;
|
|
|
|
RNA_enum_set(gz->ptr, "draw_style", ED_GIZMO_MOVE_STYLE_CROSS_2D);
|
|
|
|
gz->scale_basis = 0.05f / 75.0f;
|
|
|
|
gzgroup->customdata = sbeam_group;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_sbeam_draw_prepare(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
struct NodeSunBeamsWidgetGroup *sbeam_group = gzgroup->customdata;
|
|
ARegion *region = CTX_wm_region(C);
|
|
wmGizmo *gz = gzgroup->gizmos.first;
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
node_gizmo_calc_matrix_space_with_image_dims(
|
|
snode, region, sbeam_group->state.dims, gz->matrix_space);
|
|
}
|
|
|
|
static void WIDGETGROUP_node_sbeam_refresh(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
Main *bmain = CTX_data_main(C);
|
|
struct NodeSunBeamsWidgetGroup *sbeam_group = gzgroup->customdata;
|
|
wmGizmo *gz = sbeam_group->gizmo;
|
|
|
|
void *lock;
|
|
Image *ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
|
|
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
|
|
|
|
if (ibuf) {
|
|
sbeam_group->state.dims[0] = (ibuf->x > 0) ? ibuf->x : 64.0f;
|
|
sbeam_group->state.dims[1] = (ibuf->y > 0) ? ibuf->y : 64.0f;
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
/* need to set property here for undo. TODO would prefer to do this in _init */
|
|
PointerRNA nodeptr;
|
|
RNA_pointer_create((ID *)snode->edittree, &RNA_CompositorNodeSunBeams, node, &nodeptr);
|
|
WM_gizmo_target_property_def_rna(gz, "offset", &nodeptr, "source", -1);
|
|
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_DRAW_MODAL, true);
|
|
}
|
|
else {
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_HIDDEN, true);
|
|
}
|
|
|
|
BKE_image_release_ibuf(ima, ibuf, lock);
|
|
}
|
|
|
|
void NODE_GGT_backdrop_sun_beams(wmGizmoGroupType *gzgt)
|
|
{
|
|
gzgt->name = "Sun Beams Widget";
|
|
gzgt->idname = "NODE_GGT_sbeam";
|
|
|
|
gzgt->flag |= WM_GIZMOGROUPTYPE_PERSISTENT;
|
|
|
|
gzgt->poll = WIDGETGROUP_node_sbeam_poll;
|
|
gzgt->setup = WIDGETGROUP_node_sbeam_setup;
|
|
gzgt->setup_keymap = WM_gizmogroup_setup_keymap_generic_maybe_drag;
|
|
gzgt->draw_prepare = WIDGETGROUP_node_sbeam_draw_prepare;
|
|
gzgt->refresh = WIDGETGROUP_node_sbeam_refresh;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name Corner Pin
|
|
* \{ */
|
|
|
|
struct NodeCornerPinWidgetGroup {
|
|
wmGizmo *gizmos[4];
|
|
|
|
struct {
|
|
float dims[2];
|
|
} state;
|
|
};
|
|
|
|
static bool WIDGETGROUP_node_corner_pin_poll(const bContext *C, wmGizmoGroupType *UNUSED(gzgt))
|
|
{
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
if ((snode->flag & SNODE_BACKDRAW) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (snode && snode->edittree && snode->edittree->type == NTREE_COMPOSIT) {
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
if (node && ELEM(node->type, CMP_NODE_CORNERPIN)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_corner_pin_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
|
|
{
|
|
struct NodeCornerPinWidgetGroup *cpin_group = MEM_mallocN(
|
|
sizeof(struct NodeCornerPinWidgetGroup), __func__);
|
|
const wmGizmoType *gzt_move_3d = WM_gizmotype_find("GIZMO_GT_move_3d", false);
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
cpin_group->gizmos[i] = WM_gizmo_new_ptr(gzt_move_3d, gzgroup, NULL);
|
|
wmGizmo *gz = cpin_group->gizmos[i];
|
|
|
|
RNA_enum_set(gz->ptr, "draw_style", ED_GIZMO_MOVE_STYLE_CROSS_2D);
|
|
|
|
gz->scale_basis = 0.01f / 75.0;
|
|
}
|
|
|
|
gzgroup->customdata = cpin_group;
|
|
}
|
|
|
|
static void WIDGETGROUP_node_corner_pin_draw_prepare(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
struct NodeCornerPinWidgetGroup *cpin_group = gzgroup->customdata;
|
|
ARegion *region = CTX_wm_region(C);
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
|
|
float matrix_space[4][4];
|
|
node_gizmo_calc_matrix_space_with_image_dims(
|
|
snode, region, cpin_group->state.dims, matrix_space);
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
wmGizmo *gz = cpin_group->gizmos[i];
|
|
copy_m4_m4(gz->matrix_space, matrix_space);
|
|
}
|
|
}
|
|
|
|
static void WIDGETGROUP_node_corner_pin_refresh(const bContext *C, wmGizmoGroup *gzgroup)
|
|
{
|
|
Main *bmain = CTX_data_main(C);
|
|
struct NodeCornerPinWidgetGroup *cpin_group = gzgroup->customdata;
|
|
|
|
void *lock;
|
|
Image *ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
|
|
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
|
|
|
|
if (ibuf) {
|
|
cpin_group->state.dims[0] = (ibuf->x > 0) ? ibuf->x : 64.0f;
|
|
cpin_group->state.dims[1] = (ibuf->y > 0) ? ibuf->y : 64.0f;
|
|
|
|
SpaceNode *snode = CTX_wm_space_node(C);
|
|
bNode *node = nodeGetActive(snode->edittree);
|
|
|
|
/* need to set property here for undo. TODO would prefer to do this in _init */
|
|
int i = 0;
|
|
for (bNodeSocket *sock = node->inputs.first; sock && i < 4; sock = sock->next) {
|
|
if (sock->type == SOCK_VECTOR) {
|
|
wmGizmo *gz = cpin_group->gizmos[i++];
|
|
|
|
PointerRNA sockptr;
|
|
RNA_pointer_create((ID *)snode->edittree, &RNA_NodeSocket, sock, &sockptr);
|
|
WM_gizmo_target_property_def_rna(gz, "offset", &sockptr, "default_value", -1);
|
|
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_DRAW_MODAL, true);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (int i = 0; i < 4; i++) {
|
|
wmGizmo *gz = cpin_group->gizmos[i];
|
|
WM_gizmo_set_flag(gz, WM_GIZMO_HIDDEN, true);
|
|
}
|
|
}
|
|
|
|
BKE_image_release_ibuf(ima, ibuf, lock);
|
|
}
|
|
|
|
void NODE_GGT_backdrop_corner_pin(wmGizmoGroupType *gzgt)
|
|
{
|
|
gzgt->name = "Corner Pin Widget";
|
|
gzgt->idname = "NODE_GGT_backdrop_corner_pin";
|
|
|
|
gzgt->flag |= WM_GIZMOGROUPTYPE_PERSISTENT;
|
|
|
|
gzgt->poll = WIDGETGROUP_node_corner_pin_poll;
|
|
gzgt->setup = WIDGETGROUP_node_corner_pin_setup;
|
|
gzgt->setup_keymap = WM_gizmogroup_setup_keymap_generic_maybe_drag;
|
|
gzgt->draw_prepare = WIDGETGROUP_node_corner_pin_draw_prepare;
|
|
gzgt->refresh = WIDGETGROUP_node_corner_pin_refresh;
|
|
}
|
|
|
|
/** \} */
|