static void rna_Mask_update_parent(Main *bmain, Scene *scene, PointerRNA *ptr)
{
MaskParent *parent = ptr->data;
if (parent->id) {
if (GS(parent->id->name) == ID_MC) {
MovieClip *clip = (MovieClip *) parent->id;
MovieTracking *tracking = &clip->tracking;
MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, parent->parent);
if (object) {
MovieTrackingTrack *track = BKE_tracking_track_get_named(tracking, object, parent->sub_parent);
if (track) {
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(clip, scene->r.cfra);
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, clip_framenr);
float marker_pos_ofs[2], parmask_pos[2];
MovieClipUser user = {0};
BKE_movieclip_user_set_frame(&user, scene->r.cfra);
add_v2_v2v2(marker_pos_ofs, marker->pos, track->offset);
BKE_mask_coord_from_movieclip(clip, &user, parmask_pos, marker_pos_ofs);
copy_v2_v2(parent->parent_orig, parmask_pos);
}
}
}
}
rna_Mask_update_data(bmain, scene, ptr);
}
void MovieDistortionOperation::initExecution()
{
this->m_inputOperation = this->getInputSocketReader(0);
if (this->m_movieClip) {
MovieClipUser clipUser = {0};
int calibration_width, calibration_height;
BKE_movieclip_user_set_frame(&clipUser, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &clipUser, &calibration_width, &calibration_height);
for (unsigned int i = 0; i < s_cache.size(); i++) {
DistortionCache *c = (DistortionCache *)s_cache[i];
if (c->isCacheFor(this->m_movieClip, this->m_width, this->m_height,
calibration_width, calibration_height, this->m_distortion))
{
this->m_cache = c;
this->m_cache->updateLastUsage();
return;
}
}
DistortionCache *newC = new DistortionCache(this->m_movieClip, this->m_width, this->m_height,
calibration_width, calibration_height, this->m_distortion);
s_cache.push_back(newC);
this->m_cache = newC;
}
else {
this->m_cache = NULL;
}
}
static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
if (in[0]->data) {
if (node->id) {
MovieClip *clip = (MovieClip *)node->id;
CompBuf *cbuf = typecheck_compbuf(in[0]->data, CB_RGBA);
CompBuf *stackbuf = alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 0);
ImBuf *ibuf;
ibuf = IMB_allocImBuf(cbuf->x, cbuf->y, 32, 0);
if (ibuf) {
RenderData *rd = data;
ImBuf *obuf;
MovieTracking *tracking = &clip->tracking;
int width, height;
float overscan = 0.0f;
MovieClipUser user = {0};
BKE_movieclip_user_set_frame(&user, rd->cfra);
ibuf->rect_float = cbuf->rect;
BKE_movieclip_get_size(clip, &user, &width, &height);
if (!node->storage)
node->storage = BKE_tracking_distortion_create();
if (node->custom1 == 0)
obuf = BKE_tracking_distortion_exec(node->storage, tracking, ibuf, width, height, overscan, 1);
else
obuf = BKE_tracking_distortion_exec(node->storage, tracking, ibuf, width, height, overscan, 0);
stackbuf->rect = obuf->rect_float;
stackbuf->malloc = TRUE;
obuf->mall &= ~IB_rectfloat;
obuf->rect_float = NULL;
IMB_freeImBuf(ibuf);
IMB_freeImBuf(obuf);
}
/* pass on output and free */
out[0]->data = stackbuf;
if (cbuf != in[0]->data)
free_compbuf(cbuf);
}
else {
CompBuf *cbuf = in[0]->data;
CompBuf *stackbuf = pass_on_compbuf(cbuf);
out[0]->data = stackbuf;
}
}
}
void TrackPositionOperation::initExecution()
{
MovieTracking *tracking = NULL;
MovieClipUser user = {0};
MovieTrackingObject *object;
zero_v2(this->m_markerPos);
zero_v2(this->m_relativePos);
if (!this->m_movieClip)
return;
tracking = &this->m_movieClip->tracking;
BKE_movieclip_user_set_frame(&user, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &user, &this->m_width, &this->m_height);
object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
if (object) {
MovieTrackingTrack *track;
track = BKE_tracking_track_get_named(tracking, object, this->m_trackName);
if (track) {
MovieTrackingMarker *marker;
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip, this->m_framenumber);
marker = BKE_tracking_marker_get(track, clip_framenr);
copy_v2_v2(this->m_markerPos, marker->pos);
if (this->m_position == CMP_TRACKPOS_RELATIVE_START) {
int i;
for (i = 0; i < track->markersnr; i++) {
marker = &track->markers[i];
if ((marker->flag & MARKER_DISABLED) == 0) {
copy_v2_v2(this->m_relativePos, marker->pos);
break;
}
}
}
else if (this->m_position == CMP_TRACKPOS_RELATIVE_FRAME) {
int relative_clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
this->m_relativeFrame);
marker = BKE_tracking_marker_get(track, relative_clip_framenr);
copy_v2_v2(this->m_relativePos, marker->pos);
}
}
}
}
void KeyingScreenOperation::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
{
resolution[0] = 0;
resolution[1] = 0;
if (this->m_movieClip) {
MovieClipUser user = {0};
int width, height;
int clip_frame = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip, this->m_framenumber);
BKE_movieclip_user_set_frame(&user, clip_frame);
BKE_movieclip_get_size(this->m_movieClip, &user, &width, &height);
resolution[0] = width;
resolution[1] = height;
}
}
void TrackPositionOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler)
{
MovieClipUser user = {0};
MovieTracking *tracking = &movieClip->tracking;
MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, this->trackingObject);
MovieTrackingTrack *track;
MovieTrackingMarker *marker;
int width, height;
outputValue[0] = 0.0f;
if (!object)
return;
track = BKE_tracking_track_get_named(tracking, object, this->trackName);
if (!track)
return;
BKE_movieclip_user_set_frame(&user, this->framenumber);
BKE_movieclip_get_size(this->movieClip, &user, &width, &height);
marker = BKE_tracking_marker_get(track, this->framenumber);
outputValue[0] = marker->pos[this->axis];
if (this->relative) {
int i;
for (i = 0; i < track->markersnr; i++) {
marker = &track->markers[i];
if ((marker->flag & MARKER_DISABLED) == 0) {
outputValue[0] -= marker->pos[this->axis];
break;
}
}
}
if (this->axis == 0)
outputValue[0] *= width;
else
outputValue[0] *= height;
}
void PlaneTrackCommonOperation::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
{
NodeOperation::determineResolution(resolution, preferredResolution);
resolution[0] = 0;
resolution[1] = 0;
if (this->m_movieClip) {
int width, height;
MovieClipUser user = {0};
BKE_movieclip_user_set_frame(&user, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &user, &width, &height);
resolution[0] = width;
resolution[1] = height;
}
}
static ImBuf *accessor_get_preprocessed_ibuf(TrackingImageAccessor *accessor,
int clip_index,
int frame)
{
MovieClip *clip;
MovieClipUser user;
ImBuf *ibuf;
int scene_frame;
BLI_assert(clip_index < accessor->num_clips);
clip = accessor->clips[clip_index];
scene_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, frame);
BKE_movieclip_user_set_frame(&user, scene_frame);
user.render_size = MCLIP_PROXY_RENDER_SIZE_FULL;
user.render_flag = 0;
ibuf = BKE_movieclip_get_ibuf(clip, &user);
return ibuf;
}
static void node_composit_exec_keyingscreen(void *data, bNode *node, bNodeStack **UNUSED(in), bNodeStack **out)
{
NodeKeyingScreenData *keyingscreen_data = node->storage;
RenderData *rd = data;
CompBuf *screenbuf = NULL;
if (node->id) {
MovieClip *clip = (MovieClip *) node->id;
MovieClipUser user = {0};
int width, height;
BKE_movieclip_user_set_frame(&user, rd->cfra);
BKE_movieclip_get_size(clip, &user, &width, &height);
screenbuf = alloc_compbuf(width, height, CB_RGBA, TRUE);
compute_gradient_screen(rd, keyingscreen_data, clip, screenbuf);
}
out[0]->data = screenbuf;
}
void MovieClipBaseOperation::initExecution()
{
if (this->m_movieClip) {
BKE_movieclip_user_set_frame(this->m_movieClipUser, this->m_framenumber);
ImBuf *ibuf;
if (this->m_cacheFrame)
ibuf = BKE_movieclip_get_ibuf(this->m_movieClip, this->m_movieClipUser);
else
ibuf = BKE_movieclip_get_ibuf_flag(this->m_movieClip, this->m_movieClipUser, this->m_movieClip->flag, MOVIECLIP_CACHE_SKIP);
if (ibuf) {
this->m_movieClipBuffer = ibuf;
if (ibuf->rect_float == NULL || ibuf->userflags & IB_RECT_INVALID) {
IMB_float_from_rect(ibuf);
ibuf->userflags &= ~IB_RECT_INVALID;
}
}
}
}
void ED_clip_update_frame(const Main *mainp, int cfra)
{
wmWindowManager *wm;
wmWindow *win;
/* image window, compo node users */
for (wm = mainp->wm.first; wm; wm = wm->id.next) { /* only 1 wm */
for (win = wm->windows.first; win; win = win->next) {
ScrArea *sa;
for (sa = win->screen->areabase.first; sa; sa = sa->next) {
if (sa->spacetype == SPACE_CLIP) {
SpaceClip *sc = sa->spacedata.first;
sc->scopes.ok = FALSE;
BKE_movieclip_user_set_frame(&sc->user, cfra);
}
}
}
}
}
static void node_composit_exec_movieclip(void *data, bNode *node, bNodeStack **UNUSED(in), bNodeStack **out)
{
if (node->id) {
RenderData *rd = data;
MovieClip *clip = (MovieClip *)node->id;
MovieClipUser *user = (MovieClipUser *)node->storage;
CompBuf *stackbuf = NULL;
BKE_movieclip_user_set_frame(user, rd->cfra);
stackbuf = node_composit_get_movieclip(rd, clip, user);
if (stackbuf) {
MovieTrackingStabilization *stab = &clip->tracking.stabilization;
/* put image on stack */
out[0]->data = stackbuf;
if (stab->flag & TRACKING_2D_STABILIZATION) {
float loc[2], scale, angle;
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(clip, rd->cfra);
BKE_tracking_stabilization_data_get(&clip->tracking, clip_framenr, stackbuf->x, stackbuf->y,
loc, &scale, &angle);
out[1]->vec[0] = loc[0];
out[2]->vec[0] = loc[1];
out[3]->vec[0] = scale;
out[4]->vec[0] = angle;
}
/* generate preview */
generate_preview(data, node, stackbuf);
}
}
}
/* reads full rect, converts indices */
uint *ED_view3d_select_id_read(int xmin, int ymin, int xmax, int ymax, uint *r_buf_len)
{
if (UNLIKELY((xmin > xmax) || (ymin > ymax))) {
return NULL;
}
const rcti rect = {
.xmin = xmin,
.xmax = xmax + 1,
.ymin = ymin,
.ymax = ymax + 1,
};
uint buf_len;
uint *buf = ED_view3d_select_id_read_rect(&rect, &buf_len);
if (r_buf_len) {
*r_buf_len = buf_len;
}
return buf;
}
/* ************************************************************* */
static void view3d_stereo_bgpic_setup(Scene *scene, View3D *v3d, Image *ima, ImageUser *iuser)
{
if (BKE_image_is_stereo(ima)) {
iuser->flag |= IMA_SHOW_STEREO;
if ((scene->r.scemode & R_MULTIVIEW) == 0) {
iuser->multiview_eye = STEREO_LEFT_ID;
}
else if (v3d->stereo3d_camera != STEREO_3D_ID) {
/* show only left or right camera */
iuser->multiview_eye = v3d->stereo3d_camera;
}
BKE_image_multiview_index(ima, iuser);
}
else {
iuser->flag &= ~IMA_SHOW_STEREO;
}
}
static void view3d_draw_bgpic(Scene *scene,
Depsgraph *depsgraph,
ARegion *ar,
View3D *v3d,
const bool do_foreground,
const bool do_camera_frame)
{
RegionView3D *rv3d = ar->regiondata;
int fg_flag = do_foreground ? CAM_BGIMG_FLAG_FOREGROUND : 0;
if (v3d->camera == NULL || v3d->camera->type != OB_CAMERA) {
return;
}
Camera *cam = v3d->camera->data;
for (CameraBGImage *bgpic = cam->bg_images.first; bgpic; bgpic = bgpic->next) {
if ((bgpic->flag & CAM_BGIMG_FLAG_FOREGROUND) != fg_flag) {
continue;
}
{
float image_aspect[2];
float x1, y1, x2, y2, centx, centy;
void *lock;
Image *ima = NULL;
/* disable individual images */
if ((bgpic->flag & CAM_BGIMG_FLAG_DISABLED)) {
continue;
}
ImBuf *ibuf = NULL;
ImBuf *freeibuf = NULL;
ImBuf *releaseibuf = NULL;
if (bgpic->source == CAM_BGIMG_SOURCE_IMAGE) {
ima = bgpic->ima;
if (ima == NULL) {
continue;
}
ImageUser iuser = bgpic->iuser;
iuser.scene = scene; /* Needed for render results. */
BKE_image_user_frame_calc(&iuser, (int)DEG_get_ctime(depsgraph));
if (ima->source == IMA_SRC_SEQUENCE && !(iuser.flag & IMA_USER_FRAME_IN_RANGE)) {
ibuf = NULL; /* frame is out of range, dont show */
}
else {
view3d_stereo_bgpic_setup(scene, v3d, ima, &iuser);
ibuf = BKE_image_acquire_ibuf(ima, &iuser, &lock);
releaseibuf = ibuf;
}
image_aspect[0] = ima->aspx;
image_aspect[1] = ima->aspy;
}
else if (bgpic->source == CAM_BGIMG_SOURCE_MOVIE) {
/* TODO: skip drawing when out of frame range (as image sequences do above) */
MovieClip *clip = NULL;
if (bgpic->flag & CAM_BGIMG_FLAG_CAMERACLIP) {
if (scene->camera) {
clip = BKE_object_movieclip_get(scene, scene->camera, true);
}
}
else {
clip = bgpic->clip;
}
if (clip == NULL) {
continue;
}
BKE_movieclip_user_set_frame(&bgpic->cuser, (int)DEG_get_ctime(depsgraph));
ibuf = BKE_movieclip_get_ibuf(clip, &bgpic->cuser);
image_aspect[0] = clip->aspx;
image_aspect[1] = clip->aspy;
/* working with ibuf from image and clip has got different workflow now.
* ibuf acquired from clip is referenced by cache system and should
* be dereferenced after usage. */
freeibuf = ibuf;
}
else {
/* perhaps when loading future files... */
BLI_assert(0);
copy_v2_fl(image_aspect, 1.0f);
}
if (ibuf == NULL) {
continue;
}
if ((ibuf->rect == NULL && ibuf->rect_float == NULL) || ibuf->channels != 4) {
/* invalid image format */
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
continue;
}
if (ibuf->rect == NULL) {
IMB_rect_from_float(ibuf);
}
BLI_assert(rv3d->persp == RV3D_CAMOB);
{
if (do_camera_frame) {
rctf vb;
ED_view3d_calc_camera_border(scene, depsgraph, ar, v3d, rv3d, &vb, false);
x1 = vb.xmin;
y1 = vb.ymin;
x2 = vb.xmax;
y2 = vb.ymax;
}
else {
x1 = ar->winrct.xmin;
y1 = ar->winrct.ymin;
x2 = ar->winrct.xmax;
y2 = ar->winrct.ymax;
}
/* apply offset last - camera offset is different to offset in blender units */
/* so this has some sane way of working - this matches camera's shift _exactly_ */
{
const float max_dim = max_ff(x2 - x1, y2 - y1);
const float xof_scale = bgpic->offset[0] * max_dim;
const float yof_scale = bgpic->offset[1] * max_dim;
x1 += xof_scale;
y1 += yof_scale;
x2 += xof_scale;
y2 += yof_scale;
}
centx = (x1 + x2) * 0.5f;
centy = (y1 + y2) * 0.5f;
/* aspect correction */
if (bgpic->flag & CAM_BGIMG_FLAG_CAMERA_ASPECT) {
/* apply aspect from clip */
const float w_src = ibuf->x * image_aspect[0];
const float h_src = ibuf->y * image_aspect[1];
/* destination aspect is already applied from the camera frame */
const float w_dst = x1 - x2;
const float h_dst = y1 - y2;
const float asp_src = w_src / h_src;
const float asp_dst = w_dst / h_dst;
if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) {
if ((asp_src > asp_dst) == ((bgpic->flag & CAM_BGIMG_FLAG_CAMERA_CROP) != 0)) {
/* fit X */
const float div = asp_src / asp_dst;
x1 = ((x1 - centx) * div) + centx;
x2 = ((x2 - centx) * div) + centx;
}
else {
/* fit Y */
const float div = asp_dst / asp_src;
y1 = ((y1 - centy) * div) + centy;
y2 = ((y2 - centy) * div) + centy;
}
}
}
}
/* complete clip? */
rctf clip_rect;
BLI_rctf_init(&clip_rect, x1, x2, y1, y2);
if (bgpic->rotation) {
BLI_rctf_rotate_expand(&clip_rect, &clip_rect, bgpic->rotation);
}
if (clip_rect.xmax < 0 || clip_rect.ymax < 0 || clip_rect.xmin > ar->winx ||
clip_rect.ymin > ar->winy) {
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
continue;
}
float zoomx = (x2 - x1) / ibuf->x;
float zoomy = (y2 - y1) / ibuf->y;
/* For some reason; zoom-levels down refuses to use GL_ALPHA_SCALE. */
if (zoomx < 1.0f || zoomy < 1.0f) {
float tzoom = min_ff(zoomx, zoomy);
int mip = 0;
if ((ibuf->userflags & IB_MIPMAP_INVALID) != 0) {
IMB_remakemipmap(ibuf, 0);
ibuf->userflags &= ~IB_MIPMAP_INVALID;
}
else if (ibuf->mipmap[0] == NULL) {
IMB_makemipmap(ibuf, 0);
}
while (tzoom < 1.0f && mip < 8 && ibuf->mipmap[mip]) {
tzoom *= 2.0f;
zoomx *= 2.0f;
zoomy *= 2.0f;
mip++;
}
if (mip > 0) {
ibuf = ibuf->mipmap[mip - 1];
}
}
GPU_depth_test(!do_foreground);
glDepthMask(GL_FALSE);
GPU_blend(true);
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_matrix_push_projection();
GPU_matrix_push();
ED_region_pixelspace(ar);
GPU_matrix_translate_2f(centx, centy);
GPU_matrix_scale_1f(bgpic->scale);
GPU_matrix_rotate_2d(RAD2DEGF(-bgpic->rotation));
if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_X) {
zoomx *= -1.0f;
x1 = x2;
}
if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_Y) {
zoomy *= -1.0f;
y1 = y2;
}
float col[4] = {1.0f, 1.0f, 1.0f, bgpic->alpha};
IMMDrawPixelsTexState state = immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR);
immDrawPixelsTex(&state,
x1 - centx,
y1 - centy,
ibuf->x,
ibuf->y,
GL_RGBA,
GL_UNSIGNED_BYTE,
GL_LINEAR,
ibuf->rect,
zoomx,
zoomy,
col);
GPU_matrix_pop_projection();
GPU_matrix_pop();
GPU_blend(false);
glDepthMask(GL_TRUE);
GPU_depth_test(true);
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
}
}
}
static void compute_gradient_screen(RenderData *rd, NodeKeyingScreenData *keyingscreen_data, MovieClip *clip, CompBuf *screenbuf)
{
MovieClipUser user = {0};
MovieTracking *tracking = &clip->tracking;
MovieTrackingTrack *track;
VoronoiTriangulationPoint *triangulated_points;
VoronoiSite *sites;
ImBuf *ibuf;
ListBase *tracksbase;
ListBase edges = {NULL, NULL};
int sites_total, triangulated_points_total, triangles_total;
int (*triangles)[3];
int i, x, y;
float *rect = screenbuf->rect;
if (keyingscreen_data->tracking_object[0]) {
MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, keyingscreen_data->tracking_object);
if (!object)
return;
tracksbase = BKE_tracking_object_get_tracks(tracking, object);
}
else
tracksbase = BKE_tracking_get_active_tracks(tracking);
sites_total = BLI_countlist(tracksbase);
if (!sites_total)
return;
BKE_movieclip_user_set_frame(&user, rd->cfra);
ibuf = BKE_movieclip_get_ibuf(clip, &user);
sites = MEM_callocN(sizeof(VoronoiSite) * sites_total, "keyingscreen voronoi sites");
track = tracksbase->first;
i = 0;
while (track) {
VoronoiSite *site = &sites[i];
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, rd->cfra);
ImBuf *pattern_ibuf = BKE_tracking_get_pattern_imbuf(ibuf, track, marker, TRUE, FALSE);
int j;
zero_v3(site->color);
if (pattern_ibuf) {
for (j = 0; j < pattern_ibuf->x * pattern_ibuf->y; j++) {
if (pattern_ibuf->rect_float) {
add_v3_v3(site->color, &pattern_ibuf->rect_float[4 * j]);
}
else {
unsigned char *rrgb = (unsigned char *)pattern_ibuf->rect;
site->color[0] += srgb_to_linearrgb((float)rrgb[4 * j + 0] / 255.0f);
site->color[1] += srgb_to_linearrgb((float)rrgb[4 * j + 1] / 255.0f);
site->color[2] += srgb_to_linearrgb((float)rrgb[4 * j + 2] / 255.0f);
}
}
mul_v3_fl(site->color, 1.0f / (pattern_ibuf->x * pattern_ibuf->y));
IMB_freeImBuf(pattern_ibuf);
}
site->co[0] = marker->pos[0] * screenbuf->x;
site->co[1] = marker->pos[1] * screenbuf->y;
track = track->next;
i++;
}
IMB_freeImBuf(ibuf);
BLI_voronoi_compute(sites, sites_total, screenbuf->x, screenbuf->y, &edges);
BLI_voronoi_triangulate(sites, sites_total, &edges, screenbuf->x, screenbuf->y,
&triangulated_points, &triangulated_points_total,
&triangles, &triangles_total);
for (y = 0; y < screenbuf->y; y++) {
for (x = 0; x < screenbuf->x; x++) {
int index = 4 * (y * screenbuf->x + x);
rect[index + 0] = rect[index + 1] = rect[index + 2] = 0.0f;
rect[index + 3] = 1.0f;
for (i = 0; i < triangles_total; i++) {
int *triangle = triangles[i];
VoronoiTriangulationPoint *a = &triangulated_points[triangle[0]],
*b = &triangulated_points[triangle[1]],
*c = &triangulated_points[triangle[2]];
float co[2] = {x, y}, w[3];
if (barycentric_coords_v2(a->co, b->co, c->co, co, w)) {
if (barycentric_inside_triangle_v2(w)) {
rect[index + 0] += a->color[0] * w[0] + b->color[0] * w[1] + c->color[0] * w[2];
rect[index + 1] += a->color[1] * w[0] + b->color[1] * w[1] + c->color[1] * w[2];
rect[index + 2] += a->color[2] * w[0] + b->color[2] * w[1] + c->color[2] * w[2];
}
}
}
}
}
MEM_freeN(triangulated_points);
MEM_freeN(triangles);
MEM_freeN(sites);
BLI_freelistN(&edges);
}
KeyingScreenOperation::TriangulationData *KeyingScreenOperation::buildVoronoiTriangulation()
{
MovieClipUser user = {0};
TriangulationData *triangulation;
MovieTracking *tracking = &this->m_movieClip->tracking;
MovieTrackingTrack *track;
VoronoiSite *sites, *site;
ImBuf *ibuf;
ListBase *tracksbase;
ListBase edges = {NULL, NULL};
int sites_total;
int i;
int width = this->getWidth();
int height = this->getHeight();
int clip_frame = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip, this->m_framenumber);
if (this->m_trackingObject[0]) {
MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, this->m_trackingObject);
if (!object)
return NULL;
tracksbase = BKE_tracking_object_get_tracks(tracking, object);
}
else
tracksbase = BKE_tracking_get_active_tracks(tracking);
/* count sites */
for (track = (MovieTrackingTrack *) tracksbase->first, sites_total = 0; track; track = track->next) {
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, clip_frame);
float pos[2];
if (marker->flag & MARKER_DISABLED)
continue;
add_v2_v2v2(pos, marker->pos, track->offset);
if (!IN_RANGE_INCL(pos[0], 0.0f, 1.0f) ||
!IN_RANGE_INCL(pos[1], 0.0f, 1.0f))
{
continue;
}
sites_total++;
}
if (!sites_total)
return NULL;
BKE_movieclip_user_set_frame(&user, clip_frame);
ibuf = BKE_movieclip_get_ibuf(this->m_movieClip, &user);
if (!ibuf)
return NULL;
triangulation = (TriangulationData *) MEM_callocN(sizeof(TriangulationData), "keying screen triangulation data");
sites = (VoronoiSite *) MEM_callocN(sizeof(VoronoiSite) * sites_total, "keyingscreen voronoi sites");
track = (MovieTrackingTrack *) tracksbase->first;
for (track = (MovieTrackingTrack *) tracksbase->first, site = sites; track; track = track->next) {
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, clip_frame);
ImBuf *pattern_ibuf;
int j;
float pos[2];
if (marker->flag & MARKER_DISABLED)
continue;
add_v2_v2v2(pos, marker->pos, track->offset);
if (!IN_RANGE_INCL(pos[0], 0.0f, 1.0f) ||
!IN_RANGE_INCL(pos[1], 0.0f, 1.0f))
{
continue;
}
pattern_ibuf = BKE_tracking_get_pattern_imbuf(ibuf, track, marker, TRUE, FALSE);
zero_v3(site->color);
if (pattern_ibuf) {
for (j = 0; j < pattern_ibuf->x * pattern_ibuf->y; j++) {
if (pattern_ibuf->rect_float) {
add_v3_v3(site->color, &pattern_ibuf->rect_float[4 * j]);
}
else {
unsigned char *rrgb = (unsigned char *)pattern_ibuf->rect;
site->color[0] += srgb_to_linearrgb((float)rrgb[4 * j + 0] / 255.0f);
site->color[1] += srgb_to_linearrgb((float)rrgb[4 * j + 1] / 255.0f);
site->color[2] += srgb_to_linearrgb((float)rrgb[4 * j + 2] / 255.0f);
}
}
mul_v3_fl(site->color, 1.0f / (pattern_ibuf->x * pattern_ibuf->y));
IMB_freeImBuf(pattern_ibuf);
}
site->co[0] = pos[0] * width;
site->co[1] = pos[1] * height;
site++;
}
IMB_freeImBuf(ibuf);
BLI_voronoi_compute(sites, sites_total, width, height, &edges);
BLI_voronoi_triangulate(sites, sites_total, &edges, width, height,
&triangulation->triangulated_points, &triangulation->triangulated_points_total,
&triangulation->triangles, &triangulation->triangles_total);
MEM_freeN(sites);
BLI_freelistN(&edges);
if (triangulation->triangles_total) {
rctf *rect;
rect = triangulation->triangles_AABB =
(rctf *) MEM_callocN(sizeof(rctf) * triangulation->triangles_total, "voronoi triangulation AABB");
for (i = 0; i < triangulation->triangles_total; i++, rect++) {
int *triangle = triangulation->triangles[i];
VoronoiTriangulationPoint *a = &triangulation->triangulated_points[triangle[0]],
*b = &triangulation->triangulated_points[triangle[1]],
*c = &triangulation->triangulated_points[triangle[2]];
float min[2], max[2];
INIT_MINMAX2(min, max);
minmax_v2v2_v2(min, max, a->co);
minmax_v2v2_v2(min, max, b->co);
minmax_v2v2_v2(min, max, c->co);
rect->xmin = min[0];
rect->ymin = min[1];
rect->xmax = max[0];
rect->ymax = max[1];
}
}
return triangulation;
}