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blender-archive/source/blender/editors/space_clip/clip_draw.c
Sergey Sharybin 11ee2d8b97 implement cache line for image editor 
It works exactly the same as a cache line in movie clip editor.
2014-04-02 16:54:30 +06:00

1812 lines
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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2011 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation,
* Sergey Sharybin
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_clip/clip_draw.c
* \ingroup spclip
*/
#include "DNA_gpencil_types.h"
#include "DNA_movieclip_types.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h" /* SELECT */
#include "DNA_mask_types.h"
#include "MEM_guardedalloc.h"
#include "IMB_colormanagement.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "BLI_rect.h"
#include "BLI_math_base.h"
#include "BKE_context.h"
#include "BKE_image.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "BKE_mask.h"
#include "ED_screen.h"
#include "ED_clip.h"
#include "ED_mask.h"
#include "ED_gpencil.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "RNA_access.h"
#include "BLF_api.h"
#include "clip_intern.h" // own include
/*********************** main area drawing *************************/
static void draw_keyframe(int frame, int cfra, int sfra, float framelen, int width)
{
int height = (frame == cfra) ? 22 : 10;
int x = (frame - sfra) * framelen;
if (width == 1) {
glBegin(GL_LINES);
glVertex2i(x, 0);
glVertex2i(x, height * UI_DPI_FAC);
glEnd();
}
else {
glRecti(x, 0, x + width, height * UI_DPI_FAC);
}
}
static int generic_track_get_markersnr(MovieTrackingTrack *track, MovieTrackingPlaneTrack *plane_track)
{
if (track) {
return track->markersnr;
}
else if (plane_track) {
return plane_track->markersnr;
}
return 0;
}
static int generic_track_get_marker_framenr(MovieTrackingTrack *track, MovieTrackingPlaneTrack *plane_track,
int marker_index)
{
if (track) {
BLI_assert(marker_index < track->markersnr);
return track->markers[marker_index].framenr;
}
else if (plane_track) {
BLI_assert(marker_index < plane_track->markersnr);
return plane_track->markers[marker_index].framenr;
}
return 0;
}
static bool generic_track_is_marker_enabled(MovieTrackingTrack *track, MovieTrackingPlaneTrack *plane_track,
int marker_index)
{
if (track) {
BLI_assert(marker_index < track->markersnr);
return (track->markers[marker_index].flag & MARKER_DISABLED) == 0;
}
else if (plane_track) {
return true;
}
return false;
}
static bool generic_track_is_marker_keyframed(MovieTrackingTrack *track, MovieTrackingPlaneTrack *plane_track,
int marker_index)
{
if (track) {
BLI_assert(marker_index < track->markersnr);
return (track->markers[marker_index].flag & MARKER_TRACKED) == 0;
}
else if (plane_track) {
BLI_assert(marker_index < plane_track->markersnr);
return (plane_track->markers[marker_index].flag & PLANE_MARKER_TRACKED) == 0;
}
return false;
}
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);
}
}
static void draw_movieclip_notes(SpaceClip *sc, ARegion *ar)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
MovieTracking *tracking = &clip->tracking;
char str[256] = {0};
bool block = false;
if (tracking->stats) {
BLI_strncpy(str, tracking->stats->message, sizeof(str));
block = true;
}
else {
if (sc->flag & SC_LOCK_SELECTION)
strcpy(str, "Locked");
}
if (str[0]) {
float fill_color[4] = {0.0f, 0.0f, 0.0f, 0.6f};
ED_region_info_draw(ar, str, block, fill_color);
}
}
static void draw_movieclip_muted(ARegion *ar, int width, int height, float zoomx, float zoomy)
{
int x, y;
/* find window pixel coordinates of origin */
UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x, &y);
glColor3f(0.0f, 0.0f, 0.0f);
glRectf(x, y, x + zoomx * width, y + zoomy * height);
}
static void draw_movieclip_buffer(const bContext *C, SpaceClip *sc, ARegion *ar, ImBuf *ibuf,
int width, int height, float zoomx, float zoomy)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
int filter = GL_LINEAR;
int x, y;
/* find window pixel coordinates of origin */
UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x, &y);
/* checkerboard for case alpha */
if (ibuf->planes == 32) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(x, y, x + zoomx * ibuf->x, y + zoomy * ibuf->y);
}
/* non-scaled proxy shouldn't use filtering */
if ((clip->flag & MCLIP_USE_PROXY) == 0 ||
ELEM(sc->user.render_size, MCLIP_PROXY_RENDER_SIZE_FULL, MCLIP_PROXY_RENDER_SIZE_100))
{
filter = GL_NEAREST;
}
/* set zoom */
glPixelZoom(zoomx * width / ibuf->x, zoomy * height / ibuf->y);
glaDrawImBuf_glsl_ctx(C, ibuf, x, y, filter);
/* reset zoom */
glPixelZoom(1.0f, 1.0f);
if (ibuf->planes == 32)
glDisable(GL_BLEND);
}
static void draw_stabilization_border(SpaceClip *sc, ARegion *ar, int width, int height, float zoomx, float zoomy)
{
int x, y;
MovieClip *clip = ED_space_clip_get_clip(sc);
/* find window pixel coordinates of origin */
UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x, &y);
/* draw boundary border for frame if stabilization is enabled */
if (sc->flag & SC_SHOW_STABLE && clip->tracking.stabilization.flag & TRACKING_2D_STABILIZATION) {
glColor3f(0.0f, 0.0f, 0.0f);
glLineStipple(3, 0xaaaa);
glEnable(GL_LINE_STIPPLE);
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(GL_NOR);
glPushMatrix();
glTranslatef(x, y, 0.0f);
glScalef(zoomx, zoomy, 1.0f);
glMultMatrixf(sc->stabmat);
glBegin(GL_LINE_LOOP);
glVertex2f(0.0f, 0.0f);
glVertex2f(width, 0.0f);
glVertex2f(width, height);
glVertex2f(0.0f, height);
glEnd();
glPopMatrix();
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_LINE_STIPPLE);
}
}
static void draw_track_path(SpaceClip *sc, MovieClip *UNUSED(clip), MovieTrackingTrack *track)
{
int count = sc->path_length;
int i, a, b, curindex = -1;
float path[102][2];
int tiny = sc->flag & SC_SHOW_TINY_MARKER, framenr, start_frame;
MovieTrackingMarker *marker;
if (count == 0)
return;
start_frame = framenr = ED_space_clip_get_clip_frame_number(sc);
marker = BKE_tracking_marker_get(track, framenr);
if (marker->framenr != framenr || marker->flag & MARKER_DISABLED)
return;
a = count;
i = framenr - 1;
while (i >= framenr - count) {
marker = BKE_tracking_marker_get(track, i);
if (!marker || marker->flag & MARKER_DISABLED)
break;
if (marker->framenr == i) {
add_v2_v2v2(path[--a], marker->pos, track->offset);
ED_clip_point_undistorted_pos(sc, path[a], path[a]);
if (marker->framenr == start_frame)
curindex = a;
}
else {
break;
}
i--;
}
b = count;
i = framenr;
while (i <= framenr + count) {
marker = BKE_tracking_marker_get(track, i);
if (!marker || marker->flag & MARKER_DISABLED)
break;
if (marker->framenr == i) {
if (marker->framenr == start_frame)
curindex = b;
add_v2_v2v2(path[b++], marker->pos, track->offset);
ED_clip_point_undistorted_pos(sc, path[b - 1], path[b - 1]);
}
else
break;
i++;
}
if (!tiny) {
UI_ThemeColor(TH_MARKER_OUTLINE);
if (TRACK_VIEW_SELECTED(sc, track)) {
glPointSize(5.0f);
glBegin(GL_POINTS);
for (i = a; i < b; i++) {
if (i != curindex)
glVertex2f(path[i][0], path[i][1]);
}
glEnd();
}
glLineWidth(3.0f);
glBegin(GL_LINE_STRIP);
for (i = a; i < b; i++)
glVertex2f(path[i][0], path[i][1]);
glEnd();
glLineWidth(1.0f);
}
UI_ThemeColor(TH_PATH_BEFORE);
if (TRACK_VIEW_SELECTED(sc, track)) {
glPointSize(3.0f);
glBegin(GL_POINTS);
for (i = a; i < b; i++) {
if (i == count + 1)
UI_ThemeColor(TH_PATH_AFTER);
if (i != curindex)
glVertex2f(path[i][0], path[i][1]);
}
glEnd();
}
UI_ThemeColor(TH_PATH_BEFORE);
glBegin(GL_LINE_STRIP);
for (i = a; i < b; i++) {
if (i == count + 1)
UI_ThemeColor(TH_PATH_AFTER);
glVertex2f(path[i][0], path[i][1]);
}
glEnd();
glPointSize(1.0f);
}
static void draw_marker_outline(SpaceClip *sc, MovieTrackingTrack *track, MovieTrackingMarker *marker,
float marker_pos[2], int width, int height)
{
int tiny = sc->flag & SC_SHOW_TINY_MARKER;
bool show_search = false;
float px[2];
UI_ThemeColor(TH_MARKER_OUTLINE);
px[0] = 1.0f / width / sc->zoom;
px[1] = 1.0f / height / sc->zoom;
if ((marker->flag & MARKER_DISABLED) == 0) {
float pos[2];
float p[2];
add_v2_v2v2(pos, marker->pos, track->offset);
ED_clip_point_undistorted_pos(sc, pos, pos);
sub_v2_v2v2(p, pos, marker_pos);
if (isect_point_quad_v2(p, marker->pattern_corners[0], marker->pattern_corners[1],
marker->pattern_corners[2], marker->pattern_corners[3]))
{
if (tiny) glPointSize(3.0f);
else glPointSize(4.0f);
glBegin(GL_POINTS);
glVertex2f(pos[0], pos[1]);
glEnd();
glPointSize(1.0f);
}
else {
if (!tiny) glLineWidth(3.0f);
glBegin(GL_LINES);
glVertex2f(pos[0] + px[0] * 2, pos[1]);
glVertex2f(pos[0] + px[0] * 8, pos[1]);
glVertex2f(pos[0] - px[0] * 2, pos[1]);
glVertex2f(pos[0] - px[0] * 8, pos[1]);
glVertex2f(pos[0], pos[1] - px[1] * 2);
glVertex2f(pos[0], pos[1] - px[1] * 8);
glVertex2f(pos[0], pos[1] + px[1] * 2);
glVertex2f(pos[0], pos[1] + px[1] * 8);
glEnd();
if (!tiny) glLineWidth(1.0f);
}
}
/* pattern and search outline */
glPushMatrix();
glTranslatef(marker_pos[0], marker_pos[1], 0);
if (!tiny)
glLineWidth(3.0f);
if (sc->flag & SC_SHOW_MARKER_PATTERN) {
glBegin(GL_LINE_LOOP);
glVertex2fv(marker->pattern_corners[0]);
glVertex2fv(marker->pattern_corners[1]);
glVertex2fv(marker->pattern_corners[2]);
glVertex2fv(marker->pattern_corners[3]);
glEnd();
}
show_search = (TRACK_VIEW_SELECTED(sc, track) &&
((marker->flag & MARKER_DISABLED) == 0 || (sc->flag & SC_SHOW_MARKER_PATTERN) == 0)) != 0;
if (sc->flag & SC_SHOW_MARKER_SEARCH && show_search) {
glBegin(GL_LINE_LOOP);
glVertex2f(marker->search_min[0], marker->search_min[1]);
glVertex2f(marker->search_max[0], marker->search_min[1]);
glVertex2f(marker->search_max[0], marker->search_max[1]);
glVertex2f(marker->search_min[0], marker->search_max[1]);
glEnd();
}
glPopMatrix();
if (!tiny)
glLineWidth(1.0f);
}
static void track_colors(MovieTrackingTrack *track, int act, float col[3], float scol[3])
{
if (track->flag & TRACK_CUSTOMCOLOR) {
if (act)
UI_GetThemeColor3fv(TH_ACT_MARKER, scol);
else
copy_v3_v3(scol, track->color);
mul_v3_v3fl(col, track->color, 0.5f);
}
else {
UI_GetThemeColor3fv(TH_MARKER, col);
if (act)
UI_GetThemeColor3fv(TH_ACT_MARKER, scol);
else
UI_GetThemeColor3fv(TH_SEL_MARKER, scol);
}
}
static void draw_marker_areas(SpaceClip *sc, MovieTrackingTrack *track, MovieTrackingMarker *marker,
float marker_pos[2], int width, int height, int act, int sel)
{
int tiny = sc->flag & SC_SHOW_TINY_MARKER;
bool show_search = false;
float col[3], scol[3], px[2];
track_colors(track, act, col, scol);
px[0] = 1.0f / width / sc->zoom;
px[1] = 1.0f / height / sc->zoom;
/* marker position and offset position */
if ((track->flag & SELECT) == sel && (marker->flag & MARKER_DISABLED) == 0) {
float pos[2], p[2];
if (track->flag & TRACK_LOCKED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else if (track->flag & SELECT)
UI_ThemeColorShade(TH_LOCK_MARKER, 64);
else
UI_ThemeColor(TH_LOCK_MARKER);
}
else {
if (track->flag & SELECT)
glColor3fv(scol);
else
glColor3fv(col);
}
add_v2_v2v2(pos, marker->pos, track->offset);
ED_clip_point_undistorted_pos(sc, pos, pos);
sub_v2_v2v2(p, pos, marker_pos);
if (isect_point_quad_v2(p, marker->pattern_corners[0], marker->pattern_corners[1],
marker->pattern_corners[2], marker->pattern_corners[3]))
{
if (!tiny)
glPointSize(2.0f);
glBegin(GL_POINTS);
glVertex2f(pos[0], pos[1]);
glEnd();
if (!tiny)
glPointSize(1.0f);
}
else {
glBegin(GL_LINES);
glVertex2f(pos[0] + px[0] * 3, pos[1]);
glVertex2f(pos[0] + px[0] * 7, pos[1]);
glVertex2f(pos[0] - px[0] * 3, pos[1]);
glVertex2f(pos[0] - px[0] * 7, pos[1]);
glVertex2f(pos[0], pos[1] - px[1] * 3);
glVertex2f(pos[0], pos[1] - px[1] * 7);
glVertex2f(pos[0], pos[1] + px[1] * 3);
glVertex2f(pos[0], pos[1] + px[1] * 7);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glLineStipple(3, 0xaaaa);
glEnable(GL_LINE_STIPPLE);
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(GL_NOR);
glBegin(GL_LINES);
glVertex2fv(pos);
glVertex2fv(marker_pos);
glEnd();
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_LINE_STIPPLE);
}
}
/* pattern */
glPushMatrix();
glTranslatef(marker_pos[0], marker_pos[1], 0);
if (tiny) {
glLineStipple(3, 0xaaaa);
glEnable(GL_LINE_STIPPLE);
}
if ((track->pat_flag & SELECT) == sel && (sc->flag & SC_SHOW_MARKER_PATTERN)) {
if (track->flag & TRACK_LOCKED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else if (track->pat_flag & SELECT)
UI_ThemeColorShade(TH_LOCK_MARKER, 64);
else UI_ThemeColor(TH_LOCK_MARKER);
}
else if (marker->flag & MARKER_DISABLED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else if (track->pat_flag & SELECT)
UI_ThemeColorShade(TH_DIS_MARKER, 128);
else UI_ThemeColor(TH_DIS_MARKER);
}
else {
if (track->pat_flag & SELECT)
glColor3fv(scol);
else glColor3fv(col);
}
glBegin(GL_LINE_LOOP);
glVertex2fv(marker->pattern_corners[0]);
glVertex2fv(marker->pattern_corners[1]);
glVertex2fv(marker->pattern_corners[2]);
glVertex2fv(marker->pattern_corners[3]);
glEnd();
}
/* search */
show_search = (TRACK_VIEW_SELECTED(sc, track) &&
((marker->flag & MARKER_DISABLED) == 0 || (sc->flag & SC_SHOW_MARKER_PATTERN) == 0)) != 0;
if ((track->search_flag & SELECT) == sel && (sc->flag & SC_SHOW_MARKER_SEARCH) && show_search) {
if (track->flag & TRACK_LOCKED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else if (track->search_flag & SELECT)
UI_ThemeColorShade(TH_LOCK_MARKER, 64);
else UI_ThemeColor(TH_LOCK_MARKER);
}
else if (marker->flag & MARKER_DISABLED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else if (track->search_flag & SELECT)
UI_ThemeColorShade(TH_DIS_MARKER, 128);
else UI_ThemeColor(TH_DIS_MARKER);
}
else {
if (track->search_flag & SELECT)
glColor3fv(scol);
else
glColor3fv(col);
}
glBegin(GL_LINE_LOOP);
glVertex2f(marker->search_min[0], marker->search_min[1]);
glVertex2f(marker->search_max[0], marker->search_min[1]);
glVertex2f(marker->search_max[0], marker->search_max[1]);
glVertex2f(marker->search_min[0], marker->search_max[1]);
glEnd();
}
if (tiny)
glDisable(GL_LINE_STIPPLE);
glPopMatrix();
}
static float get_shortest_pattern_side(MovieTrackingMarker *marker)
{
int i, next;
float len_sq = FLT_MAX;
for (i = 0; i < 4; i++) {
float cur_len;
next = (i + 1) % 4;
cur_len = len_squared_v2v2(marker->pattern_corners[i], marker->pattern_corners[next]);
len_sq = min_ff(cur_len, len_sq);
}
return sqrtf(len_sq);
}
static void draw_marker_slide_square(float x, float y, float dx, float dy, int outline, float px[2])
{
float tdx, tdy;
tdx = dx;
tdy = dy;
if (outline) {
tdx += px[0];
tdy += px[1];
}
glBegin(GL_QUADS);
glVertex3f(x - tdx, y + tdy, 0.0f);
glVertex3f(x + tdx, y + tdy, 0.0f);
glVertex3f(x + tdx, y - tdy, 0.0f);
glVertex3f(x - tdx, y - tdy, 0.0f);
glEnd();
}
static void draw_marker_slide_triangle(float x, float y, float dx, float dy, int outline, float px[2])
{
float tdx, tdy;
tdx = dx * 2.0f;
tdy = dy * 2.0f;
if (outline) {
tdx += px[0];
tdy += px[1];
}
glBegin(GL_TRIANGLES);
glVertex3f(x, y, 0.0f);
glVertex3f(x - tdx, y, 0.0f);
glVertex3f(x, y + tdy, 0.0f);
glEnd();
}
static void draw_marker_slide_zones(SpaceClip *sc, MovieTrackingTrack *track, MovieTrackingMarker *marker,
float marker_pos[2], int outline, int sel, int act, int width, int height)
{
float dx, dy, patdx, patdy, searchdx, searchdy;
int tiny = sc->flag & SC_SHOW_TINY_MARKER;
float col[3], scol[3], px[2], side;
if ((tiny && outline) || (marker->flag & MARKER_DISABLED))
return;
if (!TRACK_VIEW_SELECTED(sc, track) || track->flag & TRACK_LOCKED)
return;
track_colors(track, act, col, scol);
if (outline) {
glLineWidth(3.0f);
UI_ThemeColor(TH_MARKER_OUTLINE);
}
glPushMatrix();
glTranslatef(marker_pos[0], marker_pos[1], 0);
dx = 6.0f / width / sc->zoom;
dy = 6.0f / height / sc->zoom;
side = get_shortest_pattern_side(marker);
patdx = min_ff(dx * 2.0f / 3.0f, side / 6.0f) * UI_DPI_FAC;
patdy = min_ff(dy * 2.0f / 3.0f, side * width / height / 6.0f) * UI_DPI_FAC;
searchdx = min_ff(dx, (marker->search_max[0] - marker->search_min[0]) / 6.0f) * UI_DPI_FAC;
searchdy = min_ff(dy, (marker->search_max[1] - marker->search_min[1]) / 6.0f) * UI_DPI_FAC;
px[0] = 1.0f / sc->zoom / width / sc->scale;
px[1] = 1.0f / sc->zoom / height / sc->scale;
if ((sc->flag & SC_SHOW_MARKER_SEARCH) && ((track->search_flag & SELECT) == sel || outline)) {
if (!outline) {
if (track->search_flag & SELECT)
glColor3fv(scol);
else
glColor3fv(col);
}
/* search offset square */
draw_marker_slide_square(marker->search_min[0], marker->search_max[1], searchdx, searchdy, outline, px);
/* search re-sizing triangle */
draw_marker_slide_triangle(marker->search_max[0], marker->search_min[1], searchdx, searchdy, outline, px);
}
if ((sc->flag & SC_SHOW_MARKER_PATTERN) && ((track->pat_flag & SELECT) == sel || outline)) {
int i;
float pat_min[2], pat_max[2];
/* float dx = 12.0f / width, dy = 12.0f / height;*/ /* XXX UNUSED */
float tilt_ctrl[2];
if (!outline) {
if (track->pat_flag & SELECT)
glColor3fv(scol);
else
glColor3fv(col);
}
/* pattern's corners sliding squares */
for (i = 0; i < 4; i++) {
draw_marker_slide_square(marker->pattern_corners[i][0], marker->pattern_corners[i][1],
patdx / 1.5f, patdy / 1.5f, outline, px);
}
/* ** sliders to control overall pattern ** */
add_v2_v2v2(tilt_ctrl, marker->pattern_corners[1], marker->pattern_corners[2]);
BKE_tracking_marker_pattern_minmax(marker, pat_min, pat_max);
glEnable(GL_LINE_STIPPLE);
glLineStipple(3, 0xaaaa);
#if 0
/* TODO: disable for now, needs better approach visualizing this */
glBegin(GL_LINE_LOOP);
glVertex2f(pat_min[0] - dx, pat_min[1] - dy);
glVertex2f(pat_max[0] + dx, pat_min[1] - dy);
glVertex2f(pat_max[0] + dx, pat_max[1] + dy);
glVertex2f(pat_min[0] - dx, pat_max[1] + dy);
glEnd();
/* marker's offset slider */
draw_marker_slide_square(pat_min[0] - dx, pat_max[1] + dy, patdx, patdy, outline, px);
/* pattern re-sizing triangle */
draw_marker_slide_triangle(pat_max[0] + dx, pat_min[1] - dy, patdx, patdy, outline, px);
#endif
glBegin(GL_LINES);
glVertex2f(0.0f, 0.0f);
glVertex2fv(tilt_ctrl);
glEnd();
glDisable(GL_LINE_STIPPLE);
/* slider to control pattern tilt */
draw_marker_slide_square(tilt_ctrl[0], tilt_ctrl[1], patdx, patdy, outline, px);
}
glPopMatrix();
if (outline)
glLineWidth(1.0f);
}
static void draw_marker_texts(SpaceClip *sc, MovieTrackingTrack *track, MovieTrackingMarker *marker,
float marker_pos[2], int act, int width, int height, float zoomx, float zoomy)
{
char str[128] = {0}, state[64] = {0};
float dx = 0.0f, dy = 0.0f, fontsize, pos[3];
uiStyle *style = U.uistyles.first;
int fontid = style->widget.uifont_id;
if (!TRACK_VIEW_SELECTED(sc, track))
return;
BLF_size(fontid, 11.0f * U.pixelsize, U.dpi);
fontsize = BLF_height_max(fontid);
if (marker->flag & MARKER_DISABLED) {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else
UI_ThemeColorShade(TH_DIS_MARKER, 128);
}
else {
if (act)
UI_ThemeColor(TH_ACT_MARKER);
else
UI_ThemeColor(TH_SEL_MARKER);
}
if ((sc->flag & SC_SHOW_MARKER_SEARCH) &&
((marker->flag & MARKER_DISABLED) == 0 || (sc->flag & SC_SHOW_MARKER_PATTERN) == 0))
{
dx = marker->search_min[0];
dy = marker->search_min[1];
}
else if (sc->flag & SC_SHOW_MARKER_PATTERN) {
float pat_min[2], pat_max[2];
BKE_tracking_marker_pattern_minmax(marker, pat_min, pat_max);
dx = pat_min[0];
dy = pat_min[1];
}
pos[0] = (marker_pos[0] + dx) * width;
pos[1] = (marker_pos[1] + dy) * height;
pos[2] = 0.0f;
mul_m4_v3(sc->stabmat, pos);
pos[0] = pos[0] * zoomx;
pos[1] = pos[1] * zoomy - fontsize;
if (marker->flag & MARKER_DISABLED)
strcpy(state, "disabled");
else if (marker->framenr != ED_space_clip_get_clip_frame_number(sc))
strcpy(state, "estimated");
else if (marker->flag & MARKER_TRACKED)
strcpy(state, "tracked");
else
strcpy(state, "keyframed");
if (state[0])
BLI_snprintf(str, sizeof(str), "%s: %s", track->name, state);
else
BLI_strncpy(str, track->name, sizeof(str));
BLF_position(fontid, pos[0], pos[1], 0.0f);
BLF_draw(fontid, str, sizeof(str));
pos[1] -= fontsize;
if (track->flag & TRACK_HAS_BUNDLE) {
BLI_snprintf(str, sizeof(str), "Average error: %.3f", track->error);
BLF_position(fontid, pos[0], pos[1], 0.0f);
BLF_draw(fontid, str, sizeof(str));
pos[1] -= fontsize;
}
if (track->flag & TRACK_LOCKED) {
BLF_position(fontid, pos[0], pos[1], 0.0f);
BLF_draw(fontid, "locked", 6);
}
}
static void plane_track_colors(bool is_active, float color[3], float selected_color[3])
{
UI_GetThemeColor3fv(TH_MARKER, color);
if (is_active)
UI_GetThemeColor3fv(TH_ACT_MARKER, selected_color);
else
UI_GetThemeColor3fv(TH_SEL_MARKER, selected_color);
}
static void getArrowEndPoint(const int width, const int height, const float zoom,
const float start_corner[2], const float end_corner[2],
float end_point[2])
{
float direction[2];
float max_length;
sub_v2_v2v2(direction, end_corner, start_corner);
direction[0] *= width;
direction[1] *= height;
max_length = normalize_v2(direction);
mul_v2_fl(direction, min_ff(32.0f / zoom, max_length));
direction[0] /= width;
direction[1] /= height;
add_v2_v2v2(end_point, start_corner, direction);
}
static void homogeneous_2d_to_gl_matrix(/*const*/ float matrix[3][3],
float gl_matrix[4][4])
{
gl_matrix[0][0] = matrix[0][0];
gl_matrix[0][1] = matrix[0][1];
gl_matrix[0][2] = 0.0f;
gl_matrix[0][3] = matrix[0][2];
gl_matrix[1][0] = matrix[1][0];
gl_matrix[1][1] = matrix[1][1];
gl_matrix[1][2] = 0.0f;
gl_matrix[1][3] = matrix[1][2];
gl_matrix[2][0] = 0.0f;
gl_matrix[2][1] = 0.0f;
gl_matrix[2][2] = 1.0f;
gl_matrix[2][3] = 0.0f;
gl_matrix[3][0] = matrix[2][0];
gl_matrix[3][1] = matrix[2][1];
gl_matrix[3][2] = 0.0f;
gl_matrix[3][3] = matrix[2][2];
}
static void draw_plane_marker_image(Scene *scene,
MovieTrackingPlaneTrack *plane_track,
MovieTrackingPlaneMarker *plane_marker)
{
Image *image = plane_track->image;
ImBuf *ibuf;
void *lock;
if (image == NULL) {
return;
}
ibuf = BKE_image_acquire_ibuf(image, NULL, &lock);
if (ibuf) {
unsigned char *display_buffer;
void *cache_handle;
if (image->flag & IMA_VIEW_AS_RENDER) {
display_buffer = IMB_display_buffer_acquire(ibuf,
&scene->view_settings,
&scene->display_settings,
&cache_handle);
}
else {
display_buffer = IMB_display_buffer_acquire(ibuf, NULL,
&scene->display_settings,
&cache_handle);
}
if (display_buffer) {
GLuint texid, last_texid;
float frame_corners[4][2] = {{0.0f, 0.0f},
{1.0f, 0.0f},
{1.0f, 1.0f},
{0.0f, 1.0f}};
float perspective_matrix[3][3];
float gl_matrix[4][4];
bool transparent = false;
BKE_tracking_homography_between_two_quads(frame_corners,
plane_marker->corners,
perspective_matrix);
homogeneous_2d_to_gl_matrix(perspective_matrix, gl_matrix);
if (plane_track->image_opacity != 1.0f || ibuf->planes == 32) {
transparent = true;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glColor4f(1.0, 1.0, 1.0, plane_track->image_opacity);
last_texid = glaGetOneInteger(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_2D);
glGenTextures(1, (GLuint *)&texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, ibuf->x, ibuf->y, 0, GL_RGBA,
GL_UNSIGNED_BYTE, display_buffer);
glPushMatrix();
glMultMatrixf(gl_matrix);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f); glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f); glVertex2f(1.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f); glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex2f(0.0f, 1.0f);
glEnd();
glPopMatrix();
glBindTexture(GL_TEXTURE_2D, last_texid);
glDisable(GL_TEXTURE_2D);
if (transparent) {
glDisable(GL_BLEND);
}
}
IMB_display_buffer_release(cache_handle);
}
BKE_image_release_ibuf(image, ibuf, lock);
}
static void draw_plane_marker_ex(SpaceClip *sc, Scene *scene, MovieTrackingPlaneTrack *plane_track,
MovieTrackingPlaneMarker *plane_marker, bool is_active_track,
bool draw_outline, int width, int height)
{
bool tiny = (sc->flag & SC_SHOW_TINY_MARKER) != 0;
bool is_selected_track = plane_track->flag & SELECT;
bool draw_plane_quad = plane_track->image == NULL || plane_track->image_opacity == 0.0f;
float px[2];
if (draw_outline) {
UI_ThemeColor(TH_MARKER_OUTLINE);
}
else {
float color[3], selected_color[3];
plane_track_colors(is_active_track, color, selected_color);
if (is_selected_track) {
glColor3fv(selected_color);
}
else {
glColor3fv(color);
}
}
px[0] = 1.0f / width / sc->zoom;
px[1] = 1.0f / height / sc->zoom;
/* Draw image */
if (draw_outline == false) {
draw_plane_marker_image(scene, plane_track, plane_marker);
}
if (draw_outline) {
if (!tiny) {
glLineWidth(3.0f);
}
}
else if (tiny) {
glLineStipple(3, 0xaaaa);
glEnable(GL_LINE_STIPPLE);
}
if (draw_plane_quad) {
/* Draw rectangle itself. */
glBegin(GL_LINE_LOOP);
glVertex2fv(plane_marker->corners[0]);
glVertex2fv(plane_marker->corners[1]);
glVertex2fv(plane_marker->corners[2]);
glVertex2fv(plane_marker->corners[3]);
glEnd();
/* Draw axis. */
if (!draw_outline) {
float end_point[2];
glPushAttrib(GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
getArrowEndPoint(width, height, sc->zoom, plane_marker->corners[0], plane_marker->corners[1], end_point);
glColor3f(1.0, 0.0, 0.0f);
glBegin(GL_LINES);
glVertex2fv(plane_marker->corners[0]);
glVertex2fv(end_point);
glEnd();
getArrowEndPoint(width, height, sc->zoom, plane_marker->corners[0], plane_marker->corners[3], end_point);
glColor3f(0.0, 1.0, 0.0f);
glBegin(GL_LINES);
glVertex2fv(plane_marker->corners[0]);
glVertex2fv(end_point);
glEnd();
glPopAttrib();
}
}
/* Draw sliders. */
if (is_selected_track) {
int i;
for (i = 0; i < 4; i++) {
draw_marker_slide_square(plane_marker->corners[i][0], plane_marker->corners[i][1],
3.0f * px[0], 3.0f * px[1], draw_outline, px);
}
}
if (draw_outline) {
if (!tiny) {
glLineWidth(1.0f);
}
}
else if (tiny) {
glDisable(GL_LINE_STIPPLE);
}
}
static void draw_plane_marker_outline(SpaceClip *sc, Scene *scene, MovieTrackingPlaneTrack *plane_track,
MovieTrackingPlaneMarker *plane_marker, int width, int height)
{
draw_plane_marker_ex(sc, scene, plane_track, plane_marker, false, true, width, height);
}
static void draw_plane_marker(SpaceClip *sc, Scene *scene, MovieTrackingPlaneTrack *plane_track,
MovieTrackingPlaneMarker *plane_marker, bool is_active_track,
int width, int height)
{
draw_plane_marker_ex(sc, scene, plane_track, plane_marker, is_active_track, false, width, height);
}
static void draw_plane_track(SpaceClip *sc, Scene *scene, MovieTrackingPlaneTrack *plane_track,
int framenr, bool is_active_track, int width, int height)
{
MovieTrackingPlaneMarker *plane_marker;
plane_marker = BKE_tracking_plane_marker_get(plane_track, framenr);
draw_plane_marker_outline(sc, scene, plane_track, plane_marker, width, height);
draw_plane_marker(sc, scene, plane_track, plane_marker, is_active_track, width, height);
}
/* Draw all kind of tracks. */
static void draw_tracking_tracks(SpaceClip *sc, Scene *scene, ARegion *ar, MovieClip *clip,
int width, int height, float zoomx, float zoomy)
{
float x, y;
MovieTracking *tracking = &clip->tracking;
ListBase *tracksbase = BKE_tracking_get_active_tracks(tracking);
ListBase *plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
MovieTrackingTrack *track, *act_track;
MovieTrackingPlaneTrack *plane_track, *active_plane_track;
MovieTrackingMarker *marker;
int framenr = ED_space_clip_get_clip_frame_number(sc);
int undistort = sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT;
float *marker_pos = NULL, *fp, *active_pos = NULL, cur_pos[2];
/* ** find window pixel coordinates of origin ** */
/* UI_view2d_to_region_no_clip return integer values, this could
* lead to 1px flickering when view is locked to selection during playbeck.
* to avoid this flickering, calculate base point in the same way as it happens
* in UI_view2d_to_region_no_clip, but do it in floats here */
UI_view2d_to_region_float(&ar->v2d, 0.0f, 0.0f, &x, &y);
glPushMatrix();
glTranslatef(x, y, 0);
glPushMatrix();
glScalef(zoomx, zoomy, 0);
glMultMatrixf(sc->stabmat);
glScalef(width, height, 0);
act_track = BKE_tracking_track_get_active(tracking);
/* Draw plane tracks */
active_plane_track = BKE_tracking_plane_track_get_active(tracking);
for (plane_track = plane_tracks_base->first;
plane_track;
plane_track = plane_track->next)
{
if ((plane_track->flag & PLANE_TRACK_HIDDEN) == 0) {
draw_plane_track(sc, scene, plane_track, framenr, plane_track == active_plane_track, width, height);
}
}
if (sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT) {
int count = 0;
/* count */
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker))
count++;
}
track = track->next;
}
/* undistort */
if (count) {
marker_pos = MEM_callocN(2 * sizeof(float) * count, "draw_tracking_tracks marker_pos");
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
ED_clip_point_undistorted_pos(sc, marker->pos, fp);
if (track == act_track)
active_pos = fp;
fp += 2;
}
}
track = track->next;
}
}
}
if (sc->flag & SC_SHOW_TRACK_PATH) {
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0)
draw_track_path(sc, clip, track);
track = track->next;
}
}
/* markers outline and non-selected areas */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_outline(sc, track, marker, cur_pos, width, height);
draw_marker_areas(sc, track, marker, cur_pos, width, height, 0, 0);
draw_marker_slide_zones(sc, track, marker, cur_pos, 1, 0, 0, width, height);
draw_marker_slide_zones(sc, track, marker, cur_pos, 0, 0, 0, width, height);
if (fp)
fp += 2;
}
}
track = track->next;
}
/* selected areas only, so selection wouldn't be overlapped by
* non-selected areas */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
int act = track == act_track;
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
if (!act) {
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_areas(sc, track, marker, cur_pos, width, height, 0, 1);
draw_marker_slide_zones(sc, track, marker, cur_pos, 0, 1, 0, width, height);
}
if (fp)
fp += 2;
}
}
track = track->next;
}
/* active marker would be displayed on top of everything else */
if (act_track) {
if ((act_track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(act_track, framenr);
if (MARKER_VISIBLE(sc, act_track, marker)) {
copy_v2_v2(cur_pos, active_pos ? active_pos : marker->pos);
draw_marker_areas(sc, act_track, marker, cur_pos, width, height, 1, 1);
draw_marker_slide_zones(sc, act_track, marker, cur_pos, 0, 1, 1, width, height);
}
}
}
if (sc->flag & SC_SHOW_BUNDLES) {
MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
float pos[4], vec[4], mat[4][4], aspy;
glEnable(GL_POINT_SMOOTH);
glPointSize(3.0f);
aspy = 1.0f / clip->tracking.camera.pixel_aspect;
BKE_tracking_get_projection_matrix(tracking, object, framenr, width, height, mat);
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0 && track->flag & TRACK_HAS_BUNDLE) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
float npos[2];
copy_v3_v3(vec, track->bundle_pos);
vec[3] = 1;
mul_v4_m4v4(pos, mat, vec);
pos[0] = (pos[0] / (pos[3] * 2.0f) + 0.5f) * width;
pos[1] = (pos[1] / (pos[3] * 2.0f) + 0.5f) * height * aspy;
BKE_tracking_distort_v2(tracking, pos, npos);
if (npos[0] >= 0.0f && npos[1] >= 0.0f && npos[0] <= width && npos[1] <= height * aspy) {
vec[0] = (marker->pos[0] + track->offset[0]) * width;
vec[1] = (marker->pos[1] + track->offset[1]) * height * aspy;
sub_v2_v2(vec, npos);
if (len_squared_v2(vec) < (3.0f * 3.0f))
glColor3f(0.0f, 1.0f, 0.0f);
else
glColor3f(1.0f, 0.0f, 0.0f);
glBegin(GL_POINTS);
if (undistort)
glVertex3f(pos[0] / width, pos[1] / (height * aspy), 0);
else
glVertex3f(npos[0] / width, npos[1] / (height * aspy), 0);
glEnd();
}
}
}
track = track->next;
}
glPointSize(1.0f);
glDisable(GL_POINT_SMOOTH);
}
glPopMatrix();
if (sc->flag & SC_SHOW_NAMES) {
/* scaling should be cleared before drawing texts, otherwise font would also be scaled */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
int act = track == act_track;
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_texts(sc, track, marker, cur_pos, act, width, height, zoomx, zoomy);
if (fp)
fp += 2;
}
}
track = track->next;
}
}
glPopMatrix();
if (marker_pos)
MEM_freeN(marker_pos);
}
static void draw_distortion(SpaceClip *sc, ARegion *ar, MovieClip *clip,
int width, int height, float zoomx, float zoomy)
{
float x, y;
const int n = 10;
int i, j, a;
float pos[2], tpos[2], grid[11][11][2];
MovieTracking *tracking = &clip->tracking;
bGPdata *gpd = NULL;
float aspy = 1.0f / tracking->camera.pixel_aspect;
float dx = (float)width / n, dy = (float)height / n * aspy;
float offsx = 0.0f, offsy = 0.0f;
if (!tracking->camera.focal)
return;
if ((sc->flag & SC_SHOW_GRID) == 0 && (sc->flag & SC_MANUAL_CALIBRATION) == 0)
return;
UI_view2d_to_region_float(&ar->v2d, 0.0f, 0.0f, &x, &y);
glPushMatrix();
glTranslatef(x, y, 0);
glScalef(zoomx, zoomy, 0);
glMultMatrixf(sc->stabmat);
glScalef(width, height, 0);
/* grid */
if (sc->flag & SC_SHOW_GRID) {
float val[4][2], idx[4][2];
float min[2], max[2];
for (a = 0; a < 4; a++) {
if (a < 2)
val[a][a % 2] = FLT_MAX;
else
val[a][a % 2] = -FLT_MAX;
}
zero_v2(pos);
for (i = 0; i <= n; i++) {
for (j = 0; j <= n; j++) {
if (i == 0 || j == 0 || i == n || j == n) {
BKE_tracking_distort_v2(tracking, pos, tpos);
for (a = 0; a < 4; a++) {
int ok;
if (a < 2)
ok = tpos[a % 2] < val[a][a % 2];
else
ok = tpos[a % 2] > val[a][a % 2];
if (ok) {
copy_v2_v2(val[a], tpos);
idx[a][0] = j;
idx[a][1] = i;
}
}
}
pos[0] += dx;
}
pos[0] = 0.0f;
pos[1] += dy;
}
INIT_MINMAX2(min, max);
for (a = 0; a < 4; a++) {
pos[0] = idx[a][0] * dx;
pos[1] = idx[a][1] * dy;
BKE_tracking_undistort_v2(tracking, pos, tpos);
minmax_v2v2_v2(min, max, tpos);
}
copy_v2_v2(pos, min);
dx = (max[0] - min[0]) / n;
dy = (max[1] - min[1]) / n;
for (i = 0; i <= n; i++) {
for (j = 0; j <= n; j++) {
BKE_tracking_distort_v2(tracking, pos, grid[i][j]);
grid[i][j][0] /= width;
grid[i][j][1] /= height * aspy;
pos[0] += dx;
}
pos[0] = min[0];
pos[1] += dy;
}
glColor3f(1.0f, 0.0f, 0.0f);
for (i = 0; i <= n; i++) {
glBegin(GL_LINE_STRIP);
for (j = 0; j <= n; j++) {
glVertex2fv(grid[i][j]);
}
glEnd();
}
for (j = 0; j <= n; j++) {
glBegin(GL_LINE_STRIP);
for (i = 0; i <= n; i++) {
glVertex2fv(grid[i][j]);
}
glEnd();
}
}
if (sc->gpencil_src == SC_GPENCIL_SRC_TRACK) {
MovieTrackingTrack *track = BKE_tracking_track_get_active(&sc->clip->tracking);
if (track) {
int framenr = ED_space_clip_get_clip_frame_number(sc);
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
offsx = marker->pos[0];
offsy = marker->pos[1];
gpd = track->gpd;
}
}
else {
gpd = clip->gpd;
}
if (sc->flag & SC_MANUAL_CALIBRATION && gpd) {
bGPDlayer *layer = gpd->layers.first;
while (layer) {
bGPDframe *frame = layer->frames.first;
if (layer->flag & GP_LAYER_HIDE) {
layer = layer->next;
continue;
}
glColor4fv(layer->color);
glLineWidth(layer->thickness);
glPointSize((float)(layer->thickness + 2));
while (frame) {
bGPDstroke *stroke = frame->strokes.first;
while (stroke) {
if (stroke->flag & GP_STROKE_2DSPACE) {
if (stroke->totpoints > 1) {
glBegin(GL_LINE_STRIP);
for (i = 0; i < stroke->totpoints - 1; i++) {
float npos[2], dpos[2], len;
int steps;
pos[0] = (stroke->points[i].x + offsx) * width;
pos[1] = (stroke->points[i].y + offsy) * height * aspy;
npos[0] = (stroke->points[i + 1].x + offsx) * width;
npos[1] = (stroke->points[i + 1].y + offsy) * height * aspy;
len = len_v2v2(pos, npos);
steps = ceil(len / 5.0f);
/* we want to distort only long straight lines */
if (stroke->totpoints == 2) {
BKE_tracking_undistort_v2(tracking, pos, pos);
BKE_tracking_undistort_v2(tracking, npos, npos);
}
sub_v2_v2v2(dpos, npos, pos);
mul_v2_fl(dpos, 1.0f / steps);
for (j = 0; j <= steps; j++) {
BKE_tracking_distort_v2(tracking, pos, tpos);
glVertex2f(tpos[0] / width, tpos[1] / (height * aspy));
add_v2_v2(pos, dpos);
}
}
glEnd();
}
else if (stroke->totpoints == 1) {
glBegin(GL_POINTS);
glVertex2f(stroke->points[0].x + offsx, stroke->points[0].y + offsy);
glEnd();
}
}
stroke = stroke->next;
}
frame = frame->next;
}
layer = layer->next;
}
glLineWidth(1.0f);
glPointSize(1.0f);
}
glPopMatrix();
}
void clip_draw_main(const bContext *C, SpaceClip *sc, ARegion *ar)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
Scene *scene = CTX_data_scene(C);
ImBuf *ibuf = NULL;
int width, height;
float zoomx, zoomy;
ED_space_clip_get_size(sc, &width, &height);
ED_space_clip_get_zoom(sc, ar, &zoomx, &zoomy);
/* if no clip, nothing to do */
if (!clip) {
ED_region_grid_draw(ar, zoomx, zoomy);
return;
}
if (sc->flag & SC_SHOW_STABLE) {
float smat[4][4], ismat[4][4];
ibuf = ED_space_clip_get_stable_buffer(sc, sc->loc, &sc->scale, &sc->angle);
if (ibuf) {
float translation[2];
float aspect = clip->tracking.camera.pixel_aspect;
if (width != ibuf->x)
mul_v2_v2fl(translation, sc->loc, (float)width / ibuf->x);
else
copy_v2_v2(translation, sc->loc);
BKE_tracking_stabilization_data_to_mat4(width, height, aspect,
translation, sc->scale, sc->angle, sc->stabmat);
unit_m4(smat);
smat[0][0] = 1.0f / width;
smat[1][1] = 1.0f / height;
invert_m4_m4(ismat, smat);
mul_serie_m4(sc->unistabmat, smat, sc->stabmat, ismat, NULL, NULL, NULL, NULL, NULL);
}
}
else if ((sc->flag & SC_MUTE_FOOTAGE) == 0) {
ibuf = ED_space_clip_get_buffer(sc);
zero_v2(sc->loc);
sc->scale = 1.0f;
unit_m4(sc->stabmat);
unit_m4(sc->unistabmat);
}
if (ibuf) {
draw_movieclip_buffer(C, sc, ar, ibuf, width, height, zoomx, zoomy);
IMB_freeImBuf(ibuf);
}
else if (sc->flag & SC_MUTE_FOOTAGE) {
draw_movieclip_muted(ar, width, height, zoomx, zoomy);
}
else {
ED_region_grid_draw(ar, zoomx, zoomy);
}
if (width && height) {
draw_stabilization_border(sc, ar, width, height, zoomx, zoomy);
draw_tracking_tracks(sc, scene, ar, clip, width, height, zoomx, zoomy);
draw_distortion(sc, ar, clip, width, height, zoomx, zoomy);
}
}
void clip_draw_cache_and_notes(const bContext *C, SpaceClip *sc, ARegion *ar)
{
Scene *scene = CTX_data_scene(C);
MovieClip *clip = ED_space_clip_get_clip(sc);
if (clip) {
draw_movieclip_cache(sc, ar, clip, scene);
draw_movieclip_notes(sc, ar);
}
}
/* draw grease pencil */
void clip_draw_grease_pencil(bContext *C, int onlyv2d)
{
SpaceClip *sc = CTX_wm_space_clip(C);
MovieClip *clip = ED_space_clip_get_clip(sc);
if (!clip)
return;
if (onlyv2d) {
/* if manual calibration is used then grease pencil data is already
* drawn in draw_distortion */
if ((sc->flag & SC_MANUAL_CALIBRATION) == 0) {
glPushMatrix();
glMultMatrixf(sc->unistabmat);
if (sc->gpencil_src == SC_GPENCIL_SRC_TRACK) {
MovieTrackingTrack *track = BKE_tracking_track_get_active(&sc->clip->tracking);
if (track) {
int framenr = ED_space_clip_get_clip_frame_number(sc);
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
glTranslatef(marker->pos[0], marker->pos[1], 0.0f);
}
}
draw_gpencil_2dimage(C);
glPopMatrix();
}
}
else {
draw_gpencil_view2d(C, 0);
}
}
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