static void TraverseILS2D(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
M_IndexedLineSet2D *ils2D = (M_IndexedLineSet2D *)node;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
if (!ils2D->coord) return;
ils2d_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
case TRAVERSE_DRAW_2D:
ILS2D_Draw(node, tr_state);
return;
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
stack->mesh = new_mesh();
mesh_new_ils(stack->mesh, ils2D->coord, &ils2D->coordIndex, ils2D->color, &ils2D->colorIndex, ils2D->colorPerVertex, 0);
}
if (ils2D->color) {
DrawAspect2D asp;
memset(&asp, 0, sizeof(DrawAspect2D));
drawable_get_aspect_2d_mpeg4(node, &asp, tr_state);
visual_3d_mesh_strike(tr_state, stack->mesh, asp.pen_props.width, asp.line_scale, asp.pen_props.dash);
} else {
visual_3d_draw_2d(stack, tr_state);
}
return;
#endif
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
/*ILS2D are NEVER filled*/
ctx->aspect.fill_color &= 0x00FFFFFF;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
default:
return;
}
}
static void TraverseArc2D(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
arc2d_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
stack->mesh = new_mesh();
if (gf_node_get_tag(node)==TAG_X3D_Arc2D) {
mesh_get_outline(stack->mesh, stack->path);
} else {
mesh_from_path(stack->mesh, stack->path);
}
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
#ifndef GPAC_DISABLE_3D
gf_bbox_from_rect(&tr_state->bbox, &tr_state->bounds);
#endif
return;
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
}
}
static void TraverseIndexedCurve2D(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
IndexedCurve2D ic2d;
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
Drawable *stack = (Drawable *)gf_node_get_private(node);
if (is_destroy) {
drawable_node_del(node);
return;
}
if (gf_node_dirty_get(node)) {
if (!IndexedCurve2D_GetNode(node, &ic2d)) return;
curve2d_check_changes((GF_Node*) &ic2d, stack, tr_state, &ic2d.index);
}
switch (tr_state->traversing_mode) {
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
stack->mesh = new_mesh();
mesh_from_path(stack->mesh, stack->path);
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
}
}
static void TraverseCircle(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
circle_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
Fixed a = ((M_Circle *) node)->radius * 2;
stack->mesh = new_mesh();
mesh_new_ellipse(stack->mesh, a, a, tr_state->visual->compositor->high_speed);
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
}
}
static void TraverseDisk2D(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
disk2d_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
stack->mesh = new_mesh();
/*FIXME - enable it with OpenGL-ES*/
mesh_from_path(stack->mesh, stack->path);
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
}
}
void group_cache_draw(GroupCache *cache, GF_TraverseState *tr_state)
{
GF_TextureHandler *old_txh = tr_state->ctx->aspect.fill_texture;
/*switch the texture to our offscreen cache*/
tr_state->ctx->aspect.fill_texture = &cache->txh;
#ifndef GPAC_DISABLE_3D
if (tr_state->traversing_mode == TRAVERSE_DRAW_3D) {
if (!cache->drawable->mesh) {
cache->drawable->mesh = new_mesh();
}
mesh_from_path(cache->drawable->mesh, cache->drawable->path);
visual_3d_draw_2d(cache->drawable, tr_state);
return;
}
#endif
if (! tr_state->visual->DrawBitmap(tr_state->visual, tr_state, tr_state->ctx, NULL)) {
visual_2d_texture_path(tr_state->visual, cache->drawable->path, tr_state->ctx, tr_state);
}
tr_state->ctx->aspect.fill_texture = old_txh;
}
static void TraverseRectangle(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
rectangle_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
case TRAVERSE_DRAW_2D:
compositor_2d_draw_rectangle(tr_state);
return;
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
stack->mesh = new_mesh();
mesh_new_rectangle(stack->mesh, ((M_Rectangle *) node)->size, NULL, 0);
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
break;
default:
return;
}
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
/*if rotated, object is transparent (doesn't fill bounds) and antialias must be used*/
if (tr_state->transform.m[1] || tr_state->transform.m[3]) {
}
else {
/*if alpha or not filled, transparent*/
if (ctx->aspect.fill_color && (GF_COL_A(ctx->aspect.fill_color) != 0xFF)) {
}
/*if texture transparent, transparent*/
else if (ctx->aspect.fill_texture && ctx->aspect.fill_texture->transparent) {
}
/*TODO check matrix for alpha*/
else if (!tr_state->color_mat.identity) {
}
/*otherwise, not transparent*/
else {
ctx->flags &= ~CTX_IS_TRANSPARENT;
}
/*if no line width, we skip antialiasing*/
if (!ctx->aspect.pen_props.width) ctx->flags |= CTX_NO_ANTIALIAS;
}
drawable_finalize_sort(ctx, tr_state, NULL);
}
static void TraverseTriangleSet2D(GF_Node *node, void *rs, Bool is_destroy)
{
DrawableContext *ctx;
Drawable *stack = (Drawable *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
drawable_node_del(node);
return;
}
triangleset2d_check_changes(node, stack, tr_state);
switch (tr_state->traversing_mode) {
#ifndef GPAC_DISABLE_3D
case TRAVERSE_DRAW_3D:
if (!stack->mesh) {
SFColorRGBA col;
u32 i, count, idx;
GF_Vertex v1, v2, v3;
X_TriangleSet2D *p = (X_TriangleSet2D *)node;
stack->mesh = new_mesh();
stack->mesh->mesh_type = MESH_TRIANGLES;
col.red = col.green = col.blue = 0;
col.alpha = FIX_ONE;
v1.color = MESH_MAKE_COL(col);
v1.normal.x = v1.normal.y = 0;
v1.normal.z = MESH_NORMAL_UNIT;
v1.pos.z = 0;
v3 = v2 = v1;
count = p->vertices.count;
while (count%3) count--;
for (i=0; i<count; i+=3) {
idx = stack->mesh->v_count;
v1.pos.x = p->vertices.vals[i].x;
v1.pos.y = p->vertices.vals[i].y;
v2.pos.x = p->vertices.vals[i+1].x;
v2.pos.y = p->vertices.vals[i+1].y;
v3.pos.x = p->vertices.vals[i+2].x;
v3.pos.y = p->vertices.vals[i+2].y;
mesh_set_vertex_vx(stack->mesh, &v1);
mesh_set_vertex_vx(stack->mesh, &v2);
mesh_set_vertex_vx(stack->mesh, &v3);
gf_vec_diff(v2.pos, v2.pos, v1.pos);
gf_vec_diff(v3.pos, v3.pos, v1.pos);
v1.pos = gf_vec_cross(v2.pos, v3.pos);
if (v1.pos.z<0) {
mesh_set_triangle(stack->mesh, idx, idx+2, idx+1);
} else {
mesh_set_triangle(stack->mesh, idx, idx+1, idx+2);
}
}
stack->mesh->flags |= MESH_IS_2D;
mesh_update_bounds(stack->mesh);
}
visual_3d_draw_2d(stack, tr_state);
return;
#endif
case TRAVERSE_GET_BOUNDS:
gf_path_get_bounds(stack->path, &tr_state->bounds);
return;
case TRAVERSE_PICK:
vrml_drawable_pick(stack, tr_state);
return;
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) return;
#endif
ctx = drawable_init_context_mpeg4(stack, tr_state);
if (!ctx) return;
drawable_finalize_sort(ctx, tr_state, NULL);
return;
}
}