static void draw_mesh_text(Scene *scene, Object *ob, int glsl)
{
Mesh *me = ob->data;
DerivedMesh *ddm;
MPoly *mp, *mface = me->mpoly;
MTexPoly *mtpoly = me->mtpoly;
MLoopUV *mloopuv = me->mloopuv;
MLoopUV *luv;
MLoopCol *mloopcol = me->mloopcol; /* why does mcol exist? */
MLoopCol *lcol;
bProperty *prop = BKE_bproperty_object_get(ob, "Text");
GPUVertexAttribs gattribs;
int a, totpoly = me->totpoly;
/* fake values to pass to GPU_render_text() */
MCol tmp_mcol[4] = {{0}};
MCol *tmp_mcol_pt = mloopcol ? tmp_mcol : NULL;
MTFace tmp_tf = {{{0}}};
/* don't draw without tfaces */
if (!mtpoly || !mloopuv)
return;
/* don't draw when editing */
if (ob->mode & OB_MODE_EDIT)
return;
else if (ob == OBACT)
if (BKE_paint_select_elem_test(ob))
return;
ddm = mesh_get_derived_deform(scene, ob, CD_MASK_BAREMESH);
for (a = 0, mp = mface; a < totpoly; a++, mtpoly++, mp++) {
short matnr = mp->mat_nr;
int mf_smooth = mp->flag & ME_SMOOTH;
Material *mat = (me->mat) ? me->mat[matnr] : NULL;
int mode = mat ? mat->game.flag : GEMAT_INVISIBLE;
if (!(mode & GEMAT_INVISIBLE) && (mode & GEMAT_TEXT) && mp->totloop >= 3) {
/* get the polygon as a tri/quad */
int mp_vi[4];
float v1[3], v2[3], v3[3], v4[3];
char string[MAX_PROPSTRING];
int characters, i, glattrib = -1, badtex = 0;
/* TEXFACE */
ME_MTEXFACE_CPY(&tmp_tf, mtpoly);
if (glsl) {
GPU_enable_material(matnr + 1, &gattribs);
for (i = 0; i < gattribs.totlayer; i++) {
if (gattribs.layer[i].type == CD_MTFACE) {
glattrib = gattribs.layer[i].glindex;
break;
}
}
}
else {
badtex = set_draw_settings_cached(0, &tmp_tf, mat, Gtexdraw);
if (badtex) {
continue;
}
}
mp_vi[0] = me->mloop[mp->loopstart + 0].v;
mp_vi[1] = me->mloop[mp->loopstart + 1].v;
mp_vi[2] = me->mloop[mp->loopstart + 2].v;
mp_vi[3] = (mp->totloop >= 4) ? me->mloop[mp->loopstart + 3].v : 0;
/* UV */
luv = &mloopuv[mp->loopstart];
copy_v2_v2(tmp_tf.uv[0], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[1], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[2], luv->uv); luv++;
if (mp->totloop >= 4) {
copy_v2_v2(tmp_tf.uv[3], luv->uv);
}
/* COLOR */
if (mloopcol) {
unsigned int totloop_clamp = min_ii(4, mp->totloop);
unsigned int j;
lcol = &mloopcol[mp->loopstart];
for (j = 0; j < totloop_clamp; j++, lcol++) {
MESH_MLOOPCOL_TO_MCOL(lcol, &tmp_mcol[j]);
}
}
/* LOCATION */
ddm->getVertCo(ddm, mp_vi[0], v1);
ddm->getVertCo(ddm, mp_vi[1], v2);
ddm->getVertCo(ddm, mp_vi[2], v3);
if (mp->totloop >= 4) {
ddm->getVertCo(ddm, mp_vi[3], v4);
}
/* The BM_FONT handling is in the gpu module, shared with the
* game engine, was duplicated previously */
BKE_bproperty_set_valstr(prop, string);
characters = strlen(string);
if (!BKE_image_has_ibuf(mtpoly->tpage, NULL))
characters = 0;
if (!mf_smooth) {
float nor[3];
normal_tri_v3(nor, v1, v2, v3);
glNormal3fv(nor);
}
GPU_render_text(&tmp_tf, mode, string, characters,
(unsigned int *)tmp_mcol_pt, v1, v2, v3, (mp->totloop >= 4 ? v4 : NULL), glattrib);
}
}
ddm->release(ddm);
}
void BKE_mask_spline_feather_collapse_inner_loops(
MaskSpline *spline, float (*feather_points)[2], const unsigned int tot_feather_point)
{
#define BUCKET_INDEX(co) \
feather_bucket_index_from_coord(co, min, bucket_scale, buckets_per_side)
int buckets_per_side, tot_bucket;
float bucket_size, bucket_scale[2];
FeatherEdgesBucket *buckets;
unsigned int i;
float min[2], max[2];
float max_delta_x = -1.0f, max_delta_y = -1.0f, max_delta;
if (tot_feather_point < 4) {
/* self-intersection works only for quads at least,
* in other cases polygon can't be self-intersecting anyway
*/
return;
}
/* find min/max corners of mask to build buckets in that space */
INIT_MINMAX2(min, max);
for (i = 0; i < tot_feather_point; i++) {
unsigned int next = i + 1;
float delta;
minmax_v2v2_v2(min, max, feather_points[i]);
if (next == tot_feather_point) {
if (spline->flag & MASK_SPLINE_CYCLIC)
next = 0;
else
break;
}
delta = fabsf(feather_points[i][0] - feather_points[next][0]);
if (delta > max_delta_x)
max_delta_x = delta;
delta = fabsf(feather_points[i][1] - feather_points[next][1]);
if (delta > max_delta_y)
max_delta_y = delta;
}
/* prevent divisionsby zero by ensuring bounding box is not collapsed */
if (max[0] - min[0] < FLT_EPSILON) {
max[0] += 0.01f;
min[0] -= 0.01f;
}
if (max[1] - min[1] < FLT_EPSILON) {
max[1] += 0.01f;
min[1] -= 0.01f;
}
/* use dynamically calculated buckets per side, so we likely wouldn't
* run into a situation when segment doesn't fit two buckets which is
* pain collecting candidates for intersection
*/
max_delta_x /= max[0] - min[0];
max_delta_y /= max[1] - min[1];
max_delta = MAX2(max_delta_x, max_delta_y);
buckets_per_side = min_ii(512, 0.9f / max_delta);
if (buckets_per_side == 0) {
/* happens when some segment fills the whole bounding box across some of dimension */
buckets_per_side = 1;
}
tot_bucket = buckets_per_side * buckets_per_side;
bucket_size = 1.0f / buckets_per_side;
/* pre-compute multipliers, to save mathematical operations in loops */
bucket_scale[0] = 1.0f / ((max[0] - min[0]) * bucket_size);
bucket_scale[1] = 1.0f / ((max[1] - min[1]) * bucket_size);
/* fill in buckets' edges */
buckets = MEM_callocN(sizeof(FeatherEdgesBucket) * tot_bucket, "feather buckets");
for (i = 0; i < tot_feather_point; i++) {
int start = i, end = i + 1;
int start_bucket_index, end_bucket_index;
if (end == tot_feather_point) {
if (spline->flag & MASK_SPLINE_CYCLIC)
end = 0;
else
break;
}
start_bucket_index = BUCKET_INDEX(feather_points[start]);
end_bucket_index = BUCKET_INDEX(feather_points[end]);
feather_bucket_add_edge(&buckets[start_bucket_index], start, end);
if (start_bucket_index != end_bucket_index) {
FeatherEdgesBucket *end_bucket = &buckets[end_bucket_index];
FeatherEdgesBucket *diagonal_bucket_a, *diagonal_bucket_b;
feather_bucket_get_diagonal(buckets, start_bucket_index, end_bucket_index, buckets_per_side,
&diagonal_bucket_a, &diagonal_bucket_b);
feather_bucket_add_edge(end_bucket, start, end);
feather_bucket_add_edge(diagonal_bucket_a, start, end);
feather_bucket_add_edge(diagonal_bucket_a, start, end);
}
}
/* check all edges for intersection with edges from their buckets */
for (i = 0; i < tot_feather_point; i++) {
int cur_a = i, cur_b = i + 1;
int start_bucket_index, end_bucket_index;
FeatherEdgesBucket *start_bucket;
if (cur_b == tot_feather_point)
cur_b = 0;
start_bucket_index = BUCKET_INDEX(feather_points[cur_a]);
end_bucket_index = BUCKET_INDEX(feather_points[cur_b]);
start_bucket = &buckets[start_bucket_index];
feather_bucket_check_intersect(feather_points, tot_feather_point, start_bucket, cur_a, cur_b);
if (start_bucket_index != end_bucket_index) {
FeatherEdgesBucket *end_bucket = &buckets[end_bucket_index];
FeatherEdgesBucket *diagonal_bucket_a, *diagonal_bucket_b;
feather_bucket_get_diagonal(buckets, start_bucket_index, end_bucket_index, buckets_per_side,
&diagonal_bucket_a, &diagonal_bucket_b);
feather_bucket_check_intersect(feather_points, tot_feather_point, end_bucket, cur_a, cur_b);
feather_bucket_check_intersect(feather_points, tot_feather_point, diagonal_bucket_a, cur_a, cur_b);
feather_bucket_check_intersect(feather_points, tot_feather_point, diagonal_bucket_b, cur_a, cur_b);
}
}
/* free buckets */
for (i = 0; i < tot_bucket; i++) {
if (buckets[i].segments)
MEM_freeN(buckets[i].segments);
}
MEM_freeN(buckets);
#undef BUCKET_INDEX
}
/* called in WM_check, also inits stuff after file read */
void wm_window_add_ghostwindows(wmWindowManager *wm)
{
wmKeyMap *keymap;
wmWindow *win;
/* no commandline prefsize? then we set this.
* Note that these values will be used only
* when there is no startup.blend yet.
*/
if (wm_init_state.size_x == 0) {
wm_get_screensize(&wm_init_state.size_x, &wm_init_state.size_y);
/* note!, this isnt quite correct, active screen maybe offset 1000s if PX,
* we'd need a wm_get_screensize like function that gives offset,
* in practice the window manager will likely move to the correct monitor */
wm_init_state.start_x = 0;
wm_init_state.start_y = 0;
#if !defined(__APPLE__) && !defined(WIN32) /* X11 */
/* X11, start maximized but use default sane size */
wm_init_state.size_x = min_ii(wm_init_state.size_x, WM_WIN_INIT_SIZE_X);
wm_init_state.size_y = min_ii(wm_init_state.size_y, WM_WIN_INIT_SIZE_Y);
/* pad */
wm_init_state.start_x = WM_WIN_INIT_PAD;
wm_init_state.start_y = WM_WIN_INIT_PAD;
wm_init_state.size_x -= WM_WIN_INIT_PAD * 2;
wm_init_state.size_y -= WM_WIN_INIT_PAD * 2;
#endif
}
for (win = wm->windows.first; win; win = win->next) {
if (win->ghostwin == NULL) {
if ((win->sizex == 0) || (wm_init_state.override_flag & WIN_OVERRIDE_GEOM)) {
win->posx = wm_init_state.start_x;
win->posy = wm_init_state.start_y;
win->sizex = wm_init_state.size_x;
win->sizey = wm_init_state.size_y;
win->windowstate = GHOST_kWindowStateNormal;
wm_init_state.override_flag &= ~WIN_OVERRIDE_GEOM;
}
if (wm_init_state.override_flag & WIN_OVERRIDE_WINSTATE) {
win->windowstate = wm_init_state.windowstate;
wm_init_state.override_flag &= ~WIN_OVERRIDE_WINSTATE;
}
wm_window_add_ghostwindow("Blender", win);
}
/* happens after fileread */
if (win->eventstate == NULL)
win->eventstate = MEM_callocN(sizeof(wmEvent), "window event state");
/* add keymap handlers (1 handler for all keys in map!) */
keymap = WM_keymap_find(wm->defaultconf, "Window", 0, 0);
WM_event_add_keymap_handler(&win->handlers, keymap);
keymap = WM_keymap_find(wm->defaultconf, "Screen", 0, 0);
WM_event_add_keymap_handler(&win->handlers, keymap);
keymap = WM_keymap_find(wm->defaultconf, "Screen Editing", 0, 0);
WM_event_add_keymap_handler(&win->modalhandlers, keymap);
/* add drop boxes */
{
ListBase *lb = WM_dropboxmap_find("Window", 0, 0);
WM_event_add_dropbox_handler(&win->handlers, lb);
}
wm_window_title(wm, win);
}
}
/* Calculate factor of a scale, which will eliminate black areas
* appearing on the frame caused by frame translation.
*/
static float stabilization_calculate_autoscale_factor(MovieTracking *tracking, int width, int height)
{
float firstmedian[2];
MovieTrackingStabilization *stab = &tracking->stabilization;
float aspect = tracking->camera.pixel_aspect;
/* Early output if stabilization data is already up-to-date. */
if (stab->ok)
return stab->scale;
/* See comment in BKE_tracking_stabilization_data_get about first frame. */
if (stabilization_median_point_get(tracking, 1, firstmedian)) {
int sfra = INT_MAX, efra = INT_MIN, cfra;
float scale = 1.0f;
MovieTrackingTrack *track;
stab->scale = 1.0f;
/* Calculate frame range of tracks used for stabilization. */
track = tracking->tracks.first;
while (track) {
if (track->flag & TRACK_USE_2D_STAB ||
((stab->flag & TRACKING_STABILIZE_ROTATION) && track == stab->rot_track))
{
sfra = min_ii(sfra, track->markers[0].framenr);
efra = max_ii(efra, track->markers[track->markersnr - 1].framenr);
}
track = track->next;
}
/* For every frame we calculate scale factor needed to eliminate black
* aread and choose largest scale factor as final one.
*/
for (cfra = sfra; cfra <= efra; cfra++) {
float median[2];
float translation[2], angle, tmp_scale;
int i;
float mat[4][4];
float points[4][2] = {{0.0f, 0.0f}, {0.0f, height}, {width, height}, {width, 0.0f}};
float si, co;
stabilization_median_point_get(tracking, cfra, median);
stabilization_calculate_data(tracking, cfra, width, height, firstmedian, median, translation,
&tmp_scale, &angle);
BKE_tracking_stabilization_data_to_mat4(width, height, aspect, translation, 1.0f, angle, mat);
si = sinf(angle);
co = cosf(angle);
for (i = 0; i < 4; i++) {
int j;
float a[3] = {0.0f, 0.0f, 0.0f}, b[3] = {0.0f, 0.0f, 0.0f};
copy_v3_v3(a, points[i]);
copy_v3_v3(b, points[(i + 1) % 4]);
mul_m4_v3(mat, a);
mul_m4_v3(mat, b);
for (j = 0; j < 4; j++) {
float point[3] = {points[j][0], points[j][1], 0.0f};
float v1[3], v2[3];
sub_v3_v3v3(v1, b, a);
sub_v3_v3v3(v2, point, a);
if (cross_v2v2(v1, v2) >= 0.0f) {
const float rotDx[4][2] = {{1.0f, 0.0f}, {0.0f, -1.0f}, {-1.0f, 0.0f}, {0.0f, 1.0f}};
const float rotDy[4][2] = {{0.0f, 1.0f}, {1.0f, 0.0f}, {0.0f, -1.0f}, {-1.0f, 0.0f}};
float dx = translation[0] * rotDx[j][0] + translation[1] * rotDx[j][1],
dy = translation[0] * rotDy[j][0] + translation[1] * rotDy[j][1];
float w, h, E, F, G, H, I, J, K, S;
if (j % 2) {
w = (float)height / 2.0f;
h = (float)width / 2.0f;
}
else {
w = (float)width / 2.0f;
h = (float)height / 2.0f;
}
E = -w * co + h * si;
F = -h * co - w * si;
if ((i % 2) == (j % 2)) {
G = -w * co - h * si;
H = h * co - w * si;
}
else {
G = w * co + h * si;
H = -h * co + w * si;
}
I = F - H;
J = G - E;
K = G * F - E * H;
S = (-w * I - h * J) / (dx * I + dy * J + K);
scale = max_ff(scale, S);
}
}
}
}
stab->scale = scale;
if (stab->maxscale > 0.0f)
stab->scale = min_ff(stab->scale, stab->maxscale);
}
else {
stab->scale = 1.0f;
}
stab->ok = TRUE;
return stab->scale;
}
/* Create context for camera/object motion reconstruction.
* Copies all data needed for reconstruction from movie
* clip datablock, so editing this clip is safe during
* reconstruction job is in progress.
*/
MovieReconstructContext *BKE_tracking_reconstruction_context_new(MovieClip *clip, MovieTrackingObject *object,
int keyframe1, int keyframe2, int width, int height)
{
MovieTracking *tracking = &clip->tracking;
MovieReconstructContext *context = MEM_callocN(sizeof(MovieReconstructContext), "MovieReconstructContext data");
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
float aspy = 1.0f / tracking->camera.pixel_aspect;
int num_tracks = BLI_countlist(tracksbase);
int sfra = INT_MAX, efra = INT_MIN;
MovieTrackingTrack *track;
BLI_strncpy(context->object_name, object->name, sizeof(context->object_name));
context->is_camera = object->flag & TRACKING_OBJECT_CAMERA;
context->motion_flag = tracking->settings.motion_flag;
context->select_keyframes =
(tracking->settings.reconstruction_flag & TRACKING_USE_KEYFRAME_SELECTION) != 0;
tracking_cameraIntrinscisOptionsFromTracking(tracking,
width, height,
&context->camera_intrinsics_options);
context->tracks_map = tracks_map_new(context->object_name, context->is_camera, num_tracks, 0);
track = tracksbase->first;
while (track) {
int first = 0, last = track->markersnr - 1;
MovieTrackingMarker *first_marker = &track->markers[0];
MovieTrackingMarker *last_marker = &track->markers[track->markersnr - 1];
/* find first not-disabled marker */
while (first <= track->markersnr - 1 && first_marker->flag & MARKER_DISABLED) {
first++;
first_marker++;
}
/* find last not-disabled marker */
while (last >= 0 && last_marker->flag & MARKER_DISABLED) {
last--;
last_marker--;
}
if (first < track->markersnr - 1)
sfra = min_ii(sfra, first_marker->framenr);
if (last >= 0)
efra = max_ii(efra, last_marker->framenr);
tracks_map_insert(context->tracks_map, track, NULL);
track = track->next;
}
context->sfra = sfra;
context->efra = efra;
context->tracks = libmv_tracks_new(clip, tracksbase, width, height * aspy);
context->keyframe1 = keyframe1;
context->keyframe2 = keyframe2;
context->refine_flags = reconstruct_refine_intrinsics_get_flags(tracking, object);
return context;
}
static int console_copy_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceConsole *sc = CTX_wm_space_console(C);
DynStr *buf_dyn = BLI_dynstr_new();
char *buf_str;
ConsoleLine *cl;
int sel[2];
int offset = 0;
ConsoleLine cl_dummy = {NULL};
#if 0
/* copy whole file */
for (cl = sc->scrollback.first; cl; cl = cl->next) {
BLI_dynstr_append(buf_dyn, cl->line);
BLI_dynstr_append(buf_dyn, "\n");
}
#endif
if (sc->sel_start == sc->sel_end)
return OPERATOR_CANCELLED;
console_scrollback_prompt_begin(sc, &cl_dummy);
for (cl = sc->scrollback.first; cl; cl = cl->next) {
offset += cl->len + 1;
}
if (offset == 0) {
console_scrollback_prompt_end(sc, &cl_dummy);
return OPERATOR_CANCELLED;
}
offset -= 1;
sel[0] = offset - sc->sel_end;
sel[1] = offset - sc->sel_start;
for (cl = sc->scrollback.first; cl; cl = cl->next) {
if (sel[0] <= cl->len && sel[1] >= 0) {
int sta = max_ii(sel[0], 0);
int end = min_ii(sel[1], cl->len);
if (BLI_dynstr_get_len(buf_dyn))
BLI_dynstr_append(buf_dyn, "\n");
BLI_dynstr_nappend(buf_dyn, cl->line + sta, end - sta);
}
sel[0] -= cl->len + 1;
sel[1] -= cl->len + 1;
}
buf_str = BLI_dynstr_get_cstring(buf_dyn);
BLI_dynstr_free(buf_dyn);
WM_clipboard_text_set(buf_str, 0);
MEM_freeN(buf_str);
console_scrollback_prompt_end(sc, &cl_dummy);
return OPERATOR_FINISHED;
}
static void draw_movieclip_cache(SpaceClip *sc, ARegion *ar, MovieClip *clip, Scene *scene)
{
float x;
int *points, totseg, i, a;
float sfra = SFRA, efra = EFRA, framelen = ar->winx / (efra - sfra + 1);
MovieTracking *tracking = &clip->tracking;
MovieTrackingObject *act_object = BKE_tracking_object_get_active(tracking);
MovieTrackingTrack *act_track = BKE_tracking_track_get_active(&clip->tracking);
MovieTrackingPlaneTrack *act_plane_track = BKE_tracking_plane_track_get_active(&clip->tracking);
MovieTrackingReconstruction *reconstruction = BKE_tracking_get_active_reconstruction(tracking);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
/* cache background */
ED_region_cache_draw_background(ar);
/* cached segments -- could be usefu lto debug caching strategies */
BKE_movieclip_get_cache_segments(clip, &sc->user, &totseg, &points);
ED_region_cache_draw_cached_segments(ar, totseg, points, sfra, efra);
/* track */
if (act_track || act_plane_track) {
for (i = sfra - clip->start_frame + 1, a = 0; i <= efra - clip->start_frame + 1; i++) {
int framenr;
int markersnr = generic_track_get_markersnr(act_track, act_plane_track);
while (a < markersnr) {
int marker_framenr = generic_track_get_marker_framenr(act_track, act_plane_track, a);
if (marker_framenr >= i)
break;
if (a < markersnr - 1 && generic_track_get_marker_framenr(act_track, act_plane_track, a + 1) > i)
break;
a++;
}
a = min_ii(a, markersnr - 1);
if (generic_track_is_marker_enabled(act_track, act_plane_track, a)) {
framenr = generic_track_get_marker_framenr(act_track, act_plane_track, a);
if (framenr != i)
glColor4ub(128, 128, 0, 96);
else if (generic_track_is_marker_keyframed(act_track, act_plane_track, a))
glColor4ub(255, 255, 0, 196);
else
glColor4ub(255, 255, 0, 96);
glRecti((i - sfra + clip->start_frame - 1) * framelen, 0, (i - sfra + clip->start_frame) * framelen, 4 * UI_DPI_FAC);
}
}
}
/* failed frames */
if (reconstruction->flag & TRACKING_RECONSTRUCTED) {
int n = reconstruction->camnr;
MovieReconstructedCamera *cameras = reconstruction->cameras;
glColor4ub(255, 0, 0, 96);
for (i = sfra, a = 0; i <= efra; i++) {
bool ok = false;
while (a < n) {
if (cameras[a].framenr == i) {
ok = true;
break;
}
else if (cameras[a].framenr > i) {
break;
}
a++;
}
if (!ok)
glRecti((i - sfra + clip->start_frame - 1) * framelen, 0, (i - sfra + clip->start_frame) * framelen, 8 * UI_DPI_FAC);
}
}
glDisable(GL_BLEND);
/* current frame */
x = (sc->user.framenr - sfra) / (efra - sfra + 1) * ar->winx;
UI_ThemeColor(TH_CFRAME);
glRecti(x, 0, x + ceilf(framelen), 8 * UI_DPI_FAC);
ED_region_cache_draw_curfra_label(sc->user.framenr, x, 8.0f * UI_DPI_FAC);
/* solver keyframes */
glColor4ub(175, 255, 0, 255);
draw_keyframe(act_object->keyframe1 + clip->start_frame - 1, CFRA, sfra, framelen, 2);
draw_keyframe(act_object->keyframe2 + clip->start_frame - 1, CFRA, sfra, framelen, 2);
/* movie clip animation */
if ((sc->mode == SC_MODE_MASKEDIT) && sc->mask_info.mask) {
ED_mask_draw_frames(sc->mask_info.mask, ar, CFRA, sfra, efra);
}
}
void startConstraint(TransInfo *t)
{
t->con.mode |= CON_APPLY;
*t->con.text = ' ';
t->num.idx_max = min_ii(getConstraintSpaceDimension(t) - 1, t->idx_max);
}
/**
* Update the brush mask image by trying to reuse the cached texture result.
* This can be considerably faster for brushes that change size due to pressure or
* textures that stick to the surface where only part of the pixels are new
*/
static void brush_painter_mask_imbuf_partial_update(BrushPainter *painter, const float pos[2], int diameter)
{
BrushPainterCache *cache = &painter->cache;
unsigned short *tex_mask_old;
int destx, desty, srcx, srcy, w, h, x1, y1, x2, y2;
/* create brush image buffer if it didn't exist yet */
if (!cache->tex_mask)
cache->tex_mask = MEM_mallocN(sizeof(unsigned short) * diameter * diameter, "brush_painter_mask");
/* create new texture image buffer with coordinates relative to old */
tex_mask_old = cache->tex_mask_old;
cache->tex_mask_old = MEM_mallocN(sizeof(unsigned short) * diameter * diameter, "brush_painter_mask");
if (tex_mask_old) {
ImBuf maskibuf;
ImBuf maskibuf_old;
maskibuf.x = maskibuf.y = diameter;
maskibuf_old.x = cache->tex_mask_old_w;
maskibuf_old.y = cache->tex_mask_old_h;
srcx = srcy = 0;
w = cache->tex_mask_old_w;
h = cache->tex_mask_old_h;
destx = (int)painter->lastpaintpos[0] - (int)pos[0] + (diameter / 2 - w / 2);
desty = (int)painter->lastpaintpos[1] - (int)pos[1] + (diameter / 2 - h / 2);
/* hack, use temporary rects so that clipping works */
IMB_rectclip(&maskibuf, &maskibuf_old, &destx, &desty, &srcx, &srcy, &w, &h);
}
else {
srcx = srcy = 0;
destx = desty = 0;
w = h = 0;
}
x1 = min_ii(destx, diameter);
y1 = min_ii(desty, diameter);
x2 = min_ii(destx + w, diameter);
y2 = min_ii(desty + h, diameter);
/* blend existing texture in new position */
if ((x1 < x2) && (y1 < y2))
brush_painter_mask_imbuf_update(painter, tex_mask_old, x1, y1, x2, y2, srcx, srcy, diameter);
if (tex_mask_old)
MEM_freeN(tex_mask_old);
/* sample texture in new areas */
if ((0 < x1) && (0 < diameter))
brush_painter_mask_imbuf_update(painter, NULL, 0, 0, x1, diameter, 0, 0, diameter);
if ((x2 < diameter) && (0 < diameter))
brush_painter_mask_imbuf_update(painter, NULL, x2, 0, diameter, diameter, 0, 0, diameter);
if ((x1 < x2) && (0 < y1))
brush_painter_mask_imbuf_update(painter, NULL, x1, 0, x2, y1, 0, 0, diameter);
if ((x1 < x2) && (y2 < diameter))
brush_painter_mask_imbuf_update(painter, NULL, x1, y2, x2, diameter, 0, 0, diameter);
/* through with sampling, now update sizes */
cache->tex_mask_old_w = diameter;
cache->tex_mask_old_h = diameter;
}
void glaDrawPixelsSafe(float x, float y, int img_w, int img_h, int row_w, int format, int type, void *rect)
{
float xzoom = glaGetOneFloat(GL_ZOOM_X);
float yzoom = glaGetOneFloat(GL_ZOOM_Y);
/* The pixel space coordinate of the intersection of
* the [zoomed] image with the origin.
*/
float ix = -x / xzoom;
float iy = -y / yzoom;
/* The maximum pixel amounts the image can be cropped
* at the lower left without exceeding the origin.
*/
int off_x = floor(max_ff(ix, 0.0f));
int off_y = floor(max_ff(iy, 0.0f));
/* The zoomed space coordinate of the raster position
* (starting at the lower left most unclipped pixel).
*/
float rast_x = x + off_x * xzoom;
float rast_y = y + off_y * yzoom;
GLfloat scissor[4];
int draw_w, draw_h;
/* Determine the smallest number of pixels we need to draw
* before the image would go off the upper right corner.
*
* It may seem this is just an optimization but some graphics
* cards (ATI) freak out if there is a large zoom factor and
* a large number of pixels off the screen (probably at some
* level the number of image pixels to draw is getting multiplied
* by the zoom and then clamped). Making sure we draw the
* fewest pixels possible keeps everyone mostly happy (still
* fails if we zoom in on one really huge pixel so that it
* covers the entire screen).
*/
glGetFloatv(GL_SCISSOR_BOX, scissor);
draw_w = min_ii(img_w - off_x, ceil((scissor[2] - rast_x) / xzoom));
draw_h = min_ii(img_h - off_y, ceil((scissor[3] - rast_y) / yzoom));
if (draw_w > 0 && draw_h > 0) {
int old_row_length = glaGetOneInteger(GL_UNPACK_ROW_LENGTH);
/* Don't use safe RasterPos (slower) if we can avoid it. */
if (rast_x >= 0 && rast_y >= 0) {
glRasterPos2f(rast_x, rast_y);
}
else {
glaRasterPosSafe2f(rast_x, rast_y, 0, 0);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, row_w);
if (format == GL_LUMINANCE || format == GL_RED) {
if (type == GL_FLOAT) {
float *f_rect = (float *)rect;
glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x));
}
else if (type == GL_INT || type == GL_UNSIGNED_INT) {
int *i_rect = (int *)rect;
glDrawPixels(draw_w, draw_h, format, type, i_rect + (off_y * row_w + off_x));
}
}
else { /* RGBA */
if (type == GL_FLOAT) {
float *f_rect = (float *)rect;
glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x) * 4);
}
else if (type == GL_UNSIGNED_BYTE) {
unsigned char *uc_rect = (unsigned char *) rect;
glDrawPixels(draw_w, draw_h, format, type, uc_rect + (off_y * row_w + off_x) * 4);
}
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, old_row_length);
}
}
static void zbuf_fill_in_rgba(ZSpan *zspan, DrawBufPixel *col, float *v1, float *v2, float *v3, float *v4)
{
DrawBufPixel *rectpofs, *rp;
double zxd, zyd, zy0, zverg;
float x0, y0, z0;
float x1, y1, z1, x2, y2, z2, xx1;
const float *span1, *span2;
float *rectzofs, *rz;
int x, y;
int sn1, sn2, rectx, my0, my2;
/* init */
zbuf_init_span(zspan);
/* set spans */
zbuf_add_to_span(zspan, v1, v2);
zbuf_add_to_span(zspan, v2, v3);
zbuf_add_to_span(zspan, v3, v4);
zbuf_add_to_span(zspan, v4, v1);
/* clipped */
if (zspan->minp2 == NULL || zspan->maxp2 == NULL) return;
my0 = max_ii(zspan->miny1, zspan->miny2);
my2 = min_ii(zspan->maxy1, zspan->maxy2);
// printf("my %d %d\n", my0, my2);
if (my2 < my0) return;
/* ZBUF DX DY, in floats still */
x1 = v1[0] - v2[0];
x2 = v2[0] - v3[0];
y1 = v1[1] - v2[1];
y2 = v2[1] - v3[1];
z1 = v1[2] - v2[2];
z2 = v2[2] - v3[2];
x0 = y1 * z2 - z1 * y2;
y0 = z1 * x2 - x1 * z2;
z0 = x1 * y2 - y1 * x2;
if (z0 == 0.0f) return;
xx1 = (x0 * v1[0] + y0 * v1[1]) / z0 + v1[2];
zxd = -(double)x0 / (double)z0;
zyd = -(double)y0 / (double)z0;
zy0 = ((double)my2) * zyd + (double)xx1;
/* start-offset in rect */
rectx = zspan->rectx;
rectzofs = (float *)(zspan->rectz + rectx * my2);
rectpofs = ((DrawBufPixel *)zspan->rectdraw) + rectx * my2;
/* correct span */
sn1 = (my0 + my2) / 2;
if (zspan->span1[sn1] < zspan->span2[sn1]) {
span1 = zspan->span1 + my2;
span2 = zspan->span2 + my2;
}
else {
span1 = zspan->span2 + my2;
span2 = zspan->span1 + my2;
}
for (y = my2; y >= my0; y--, span1--, span2--) {
sn1 = floor(*span1);
sn2 = floor(*span2);
sn1++;
if (sn2 >= rectx) sn2 = rectx - 1;
if (sn1 < 0) sn1 = 0;
if (sn2 >= sn1) {
zverg = (double)sn1 * zxd + zy0;
rz = rectzofs + sn1;
rp = rectpofs + sn1;
x = sn2 - sn1;
while (x >= 0) {
if (zverg < (double)*rz) {
*rz = zverg;
*rp = *col;
}
zverg += zxd;
rz++;
rp++;
x--;
}
}
zy0 -= zyd;
rectzofs -= rectx;
rectpofs -= rectx;
}
}
static float normalization_factor_get(Scene *scene, FCurve *fcu, short flag, float *r_offset)
{
float factor = 1.0f, offset = 0.0f;
if (flag & ANIM_UNITCONV_RESTORE) {
if (r_offset)
*r_offset = fcu->prev_offset;
return 1.0f / fcu->prev_norm_factor;
}
if (flag & ANIM_UNITCONV_NORMALIZE_FREEZE) {
if (r_offset)
*r_offset = fcu->prev_offset;
if (fcu->prev_norm_factor == 0.0f) {
/* Happens when Auto Normalize was disabled before
* any curves were displayed.
*/
return 1.0f;
}
return fcu->prev_norm_factor;
}
if (G.moving & G_TRANSFORM_FCURVES) {
if (r_offset)
*r_offset = fcu->prev_offset;
if (fcu->prev_norm_factor == 0.0f) {
/* Same as above. */
return 1.0f;
}
return fcu->prev_norm_factor;
}
fcu->prev_norm_factor = 1.0f;
if (fcu->bezt) {
const bool use_preview_only = PRVRANGEON;
const BezTriple *bezt;
int i;
float max_coord = -FLT_MAX;
float min_coord = FLT_MAX;
float range;
if (fcu->totvert < 1) {
return 1.0f;
}
for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
if (use_preview_only && !IN_RANGE_INCL(bezt->vec[1][0],
scene->r.psfra,
scene->r.pefra))
{
continue;
}
if (i == 0) {
/* We ignore extrapolation flags and handle here, and use the
* control point position only. so we normalize "interesting"
* part of the curve.
*
* Here we handle left extrapolation.
*/
max_coord = max_ff(max_coord, bezt->vec[1][1]);
min_coord = min_ff(min_coord, bezt->vec[1][1]);
}
else {
const BezTriple *prev_bezt = bezt - 1;
if (prev_bezt->ipo == BEZT_IPO_CONST) {
/* Constant interpolation: previous CV value is used up
* to the current keyframe.
*/
max_coord = max_ff(max_coord, bezt->vec[1][1]);
min_coord = min_ff(min_coord, bezt->vec[1][1]);
}
else if (prev_bezt->ipo == BEZT_IPO_LIN) {
/* Linear interpolation: min/max using both previous and
* and current CV.
*/
max_coord = max_ff(max_coord, bezt->vec[1][1]);
min_coord = min_ff(min_coord, bezt->vec[1][1]);
max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
}
else if (prev_bezt->ipo == BEZT_IPO_BEZ) {
const int resol = fcu->driver
? 32
: min_ii((int)(5.0f * len_v2v2(bezt->vec[1], prev_bezt->vec[1])), 32);
if (resol < 2) {
max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
}
else {
float data[120];
float v1[2], v2[2], v3[2], v4[2];
v1[0] = prev_bezt->vec[1][0];
v1[1] = prev_bezt->vec[1][1];
v2[0] = prev_bezt->vec[2][0];
v2[1] = prev_bezt->vec[2][1];
v3[0] = bezt->vec[0][0];
v3[1] = bezt->vec[0][1];
v4[0] = bezt->vec[1][0];
v4[1] = bezt->vec[1][1];
correct_bezpart(v1, v2, v3, v4);
BKE_curve_forward_diff_bezier(v1[0], v2[0], v3[0], v4[0], data, resol, sizeof(float) * 3);
BKE_curve_forward_diff_bezier(v1[1], v2[1], v3[1], v4[1], data + 1, resol, sizeof(float) * 3);
for (int j = 0; j <= resol; ++j) {
const float *fp = &data[j * 3];
max_coord = max_ff(max_coord, fp[1]);
min_coord = min_ff(min_coord, fp[1]);
}
}
}
}
}
if (max_coord > min_coord) {
range = max_coord - min_coord;
if (range > FLT_EPSILON) {
factor = 2.0f / range;
}
offset = -min_coord - range / 2.0f;
}
else if (max_coord == min_coord) {
factor = 1.0f;
offset = -min_coord;
}
}
BLI_assert(factor != 0.0f);
if (r_offset) {
*r_offset = offset;
}
fcu->prev_norm_factor = factor;
fcu->prev_offset = offset;
return factor;
}
