/* return non-zero if spline is selected */
static void draw_spline_points(const bContext *C, MaskLayer *masklay, MaskSpline *spline,
const char draw_flag, const char draw_type,
const float xscale, const float yscale)
{
const bool is_spline_sel = (spline->flag & SELECT) && (masklay->restrictflag & MASK_RESTRICT_SELECT) == 0;
const bool is_smooth = (draw_flag & MASK_DRAWFLAG_SMOOTH) != 0;
unsigned char rgb_spline[4];
MaskSplinePoint *points_array = BKE_mask_spline_point_array(spline);
SpaceClip *sc = CTX_wm_space_clip(C);
bool undistort = false;
int i, handle_size, tot_feather_point;
float (*feather_points)[2], (*fp)[2];
float min[2], max[2];
if (!spline->tot_point)
return;
if (sc)
undistort = sc->clip && (sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT);
/* TODO, add this to sequence editor */
handle_size = UI_GetThemeValuef(TH_HANDLE_VERTEX_SIZE) * U.pixelsize;
glPointSize(handle_size);
mask_spline_color_get(masklay, spline, is_spline_sel, rgb_spline);
/* feather points */
feather_points = fp = BKE_mask_spline_feather_points(spline, &tot_feather_point);
for (i = 0; i < spline->tot_point; i++) {
/* watch it! this is intentionally not the deform array, only check for sel */
MaskSplinePoint *point = &spline->points[i];
int j;
for (j = 0; j <= point->tot_uw; j++) {
float feather_point[2];
bool sel = false;
copy_v2_v2(feather_point, *fp);
if (undistort)
mask_point_undistort_pos(sc, feather_point, feather_point);
if (j == 0) {
sel = MASKPOINT_ISSEL_ANY(point);
}
else {
sel = (point->uw[j - 1].flag & SELECT) != 0;
}
if (sel) {
if (point == masklay->act_point)
glColor3f(1.0f, 1.0f, 1.0f);
else
UI_ThemeColor(TH_HANDLE_VERTEX_SELECT);
}
else {
UI_ThemeColor(TH_HANDLE_VERTEX);
}
glBegin(GL_POINTS);
glVertex2fv(feather_point);
glEnd();
fp++;
}
}
MEM_freeN(feather_points);
if (is_smooth) {
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
/* control points */
INIT_MINMAX2(min, max);
for (i = 0; i < spline->tot_point; i++) {
/* watch it! this is intentionally not the deform array, only check for sel */
MaskSplinePoint *point = &spline->points[i];
MaskSplinePoint *point_deform = &points_array[i];
BezTriple *bezt = &point_deform->bezt;
float vert[2];
copy_v2_v2(vert, bezt->vec[1]);
if (undistort) {
mask_point_undistort_pos(sc, vert, vert);
}
/* draw handle segment */
if (BKE_mask_point_handles_mode_get(point) == MASK_HANDLE_MODE_STICK) {
float handle[2];
BKE_mask_point_handle(point_deform, MASK_WHICH_HANDLE_STICK, handle);
if (undistort) {
mask_point_undistort_pos(sc, handle, handle);
}
draw_single_handle(masklay, point, MASK_WHICH_HANDLE_STICK,
draw_type, handle_size, xscale, yscale, vert, handle);
}
else {
float handle_left[2], handle_right[2];
BKE_mask_point_handle(point_deform, MASK_WHICH_HANDLE_LEFT, handle_left);
BKE_mask_point_handle(point_deform, MASK_WHICH_HANDLE_RIGHT, handle_right);
if (undistort) {
mask_point_undistort_pos(sc, handle_left, handle_left);
mask_point_undistort_pos(sc, handle_left, handle_left);
}
draw_single_handle(masklay, point, MASK_WHICH_HANDLE_LEFT,
draw_type, handle_size, xscale, yscale, vert, handle_left);
draw_single_handle(masklay, point, MASK_WHICH_HANDLE_RIGHT,
draw_type, handle_size, xscale, yscale, vert, handle_right);
}
/* draw CV point */
if (MASKPOINT_ISSEL_KNOT(point)) {
if (point == masklay->act_point)
glColor3f(1.0f, 1.0f, 1.0f);
else
UI_ThemeColor(TH_HANDLE_VERTEX_SELECT);
}
else
UI_ThemeColor(TH_HANDLE_VERTEX);
glBegin(GL_POINTS);
glVertex2fv(vert);
glEnd();
minmax_v2v2_v2(min, max, vert);
}
if (is_spline_sel) {
float x = (min[0] + max[0]) / 2.0f;
float y = (min[1] + max[1]) / 2.0f;
/* TODO(sergey): Remove hardcoded colors. */
if (masklay->act_spline == spline) {
glColor3ub(255, 255, 255);
}
else {
glColor3ub(255, 255, 0);
}
draw_circle(x, y, 6.0f, true, xscale, yscale);
glColor3ub(0, 0, 0);
draw_circle(x, y, 6.0f, false, xscale, yscale);
}
if (is_smooth) {
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
}
static void mask_draw_curve_type(const bContext *C, MaskSpline *spline, float (*orig_points)[2], int tot_point,
const bool is_feather, const bool is_smooth, const bool is_active,
const unsigned char rgb_spline[4], const char draw_type)
{
const int draw_method = (spline->flag & MASK_SPLINE_CYCLIC) ? GL_LINE_LOOP : GL_LINE_STRIP;
const unsigned char rgb_black[4] = {0x00, 0x00, 0x00, 0xff};
// const unsigned char rgb_white[4] = {0xff, 0xff, 0xff, 0xff};
unsigned char rgb_tmp[4];
SpaceClip *sc = CTX_wm_space_clip(C);
float (*points)[2] = orig_points;
if (sc) {
const bool undistort = sc->clip && (sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT);
if (undistort) {
int i;
points = MEM_callocN(2 * tot_point * sizeof(float), "undistorthed mask curve");
for (i = 0; i < tot_point; i++) {
mask_point_undistort_pos(sc, points[i], orig_points[i]);
}
}
}
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, points);
switch (draw_type) {
case MASK_DT_OUTLINE:
glLineWidth(3);
mask_color_active_tint(rgb_tmp, rgb_black, is_active);
glColor4ubv(rgb_tmp);
glDrawArrays(draw_method, 0, tot_point);
glLineWidth(1);
mask_color_active_tint(rgb_tmp, rgb_spline, is_active);
glColor4ubv(rgb_tmp);
glDrawArrays(draw_method, 0, tot_point);
break;
case MASK_DT_DASH:
default:
GPU_basic_shader_bind_enable(GPU_SHADER_LINE | GPU_SHADER_STIPPLE);
GPU_basic_shader_line_stipple(3, 0xAAAA);
#ifdef USE_XOR
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(GL_OR);
#endif
mask_color_active_tint(rgb_tmp, rgb_spline, is_active);
glColor4ubv(rgb_tmp);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, points);
glDrawArrays(draw_method, 0, tot_point);
#ifdef USE_XOR
glDisable(GL_COLOR_LOGIC_OP);
#endif
mask_color_active_tint(rgb_tmp, rgb_black, is_active);
glColor4ubv(rgb_tmp);
GPU_basic_shader_line_stipple(3, 0x5555);
glDrawArrays(draw_method, 0, tot_point);
GPU_basic_shader_bind_disable(GPU_SHADER_LINE | GPU_SHADER_STIPPLE);
break;
case MASK_DT_BLACK:
case MASK_DT_WHITE:
if (draw_type == MASK_DT_BLACK) { rgb_tmp[0] = rgb_tmp[1] = rgb_tmp[2] = 0; }
else { rgb_tmp[0] = rgb_tmp[1] = rgb_tmp[2] = 255; }
/* alpha values seem too low but gl draws many points that compensate for it */
if (is_feather) { rgb_tmp[3] = 64; }
else { rgb_tmp[3] = 128; }
if (is_feather) {
rgb_tmp[0] = (unsigned char)(((short)rgb_tmp[0] + (short)rgb_spline[0]) / 2);
rgb_tmp[1] = (unsigned char)(((short)rgb_tmp[1] + (short)rgb_spline[1]) / 2);
rgb_tmp[2] = (unsigned char)(((short)rgb_tmp[2] + (short)rgb_spline[2]) / 2);
}
if (is_smooth == false && is_feather) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
mask_color_active_tint(rgb_tmp, rgb_tmp, is_active);
glColor4ubv(rgb_tmp);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, points);
glDrawArrays(draw_method, 0, tot_point);
if (is_smooth == false && is_feather) {
glDisable(GL_BLEND);
}
break;
}
glDisableClientState(GL_VERTEX_ARRAY);
if (points != orig_points)
MEM_freeN(points);
}
/* return non-zero if spline is selected */
static void draw_spline_points(const bContext *C, MaskLayer *masklay, MaskSpline *spline,
const char UNUSED(draw_flag), const char draw_type)
{
const bool is_spline_sel = (spline->flag & SELECT) && (masklay->restrictflag & MASK_RESTRICT_SELECT) == 0;
unsigned char rgb_spline[4];
MaskSplinePoint *points_array = BKE_mask_spline_point_array(spline);
SpaceClip *sc = CTX_wm_space_clip(C);
int undistort = FALSE;
int i, hsize, tot_feather_point;
float (*feather_points)[2], (*fp)[2];
if (!spline->tot_point)
return;
if (sc)
undistort = sc->clip && sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT;
/* TODO, add this to sequence editor */
hsize = 4; /* UI_GetThemeValuef(TH_HANDLE_VERTEX_SIZE); */
glPointSize(hsize);
mask_spline_color_get(masklay, spline, is_spline_sel, rgb_spline);
/* feather points */
feather_points = fp = BKE_mask_spline_feather_points(spline, &tot_feather_point);
for (i = 0; i < spline->tot_point; i++) {
/* watch it! this is intentionally not the deform array, only check for sel */
MaskSplinePoint *point = &spline->points[i];
int j;
for (j = 0; j <= point->tot_uw; j++) {
float feather_point[2];
int sel = FALSE;
copy_v2_v2(feather_point, *fp);
if (undistort)
mask_point_undistort_pos(sc, feather_point, feather_point);
if (j == 0) {
sel = MASKPOINT_ISSEL_ANY(point);
}
else {
sel = point->uw[j - 1].flag & SELECT;
}
if (sel) {
if (point == masklay->act_point)
glColor3f(1.0f, 1.0f, 1.0f);
else
glColor3f(1.0f, 1.0f, 0.0f);
}
else {
glColor3f(0.5f, 0.5f, 0.0f);
}
glBegin(GL_POINTS);
glVertex2fv(feather_point);
glEnd();
fp++;
}
}
MEM_freeN(feather_points);
/* control points */
for (i = 0; i < spline->tot_point; i++) {
/* watch it! this is intentionally not the deform array, only check for sel */
MaskSplinePoint *point = &spline->points[i];
MaskSplinePoint *point_deform = &points_array[i];
BezTriple *bezt = &point_deform->bezt;
float handle[2];
float vert[2];
const bool has_handle = BKE_mask_point_has_handle(point);
copy_v2_v2(vert, bezt->vec[1]);
BKE_mask_point_handle(point_deform, handle);
if (undistort) {
mask_point_undistort_pos(sc, vert, vert);
mask_point_undistort_pos(sc, handle, handle);
}
/* draw handle segment */
if (has_handle) {
/* this could be split into its own loop */
if (draw_type == MASK_DT_OUTLINE) {
const unsigned char rgb_gray[4] = {0x60, 0x60, 0x60, 0xff};
glLineWidth(3);
glColor4ubv(rgb_gray);
glBegin(GL_LINES);
glVertex2fv(vert);
glVertex2fv(handle);
glEnd();
glLineWidth(1);
}
glColor3ubv(rgb_spline);
glBegin(GL_LINES);
glVertex2fv(vert);
glVertex2fv(handle);
glEnd();
}
/* draw CV point */
if (MASKPOINT_ISSEL_KNOT(point)) {
if (point == masklay->act_point)
glColor3f(1.0f, 1.0f, 1.0f);
else
glColor3f(1.0f, 1.0f, 0.0f);
}
else
glColor3f(0.5f, 0.5f, 0.0f);
glBegin(GL_POINTS);
glVertex2fv(vert);
glEnd();
/* draw handle points */
if (has_handle) {
if (MASKPOINT_ISSEL_HANDLE(point)) {
if (point == masklay->act_point)
glColor3f(1.0f, 1.0f, 1.0f);
else
glColor3f(1.0f, 1.0f, 0.0f);
}
else {
glColor3f(0.5f, 0.5f, 0.0f);
}
glBegin(GL_POINTS);
glVertex2fv(handle);
glEnd();
}
}
glPointSize(1.0f);
}