void visual_2d_setup_projection(GF_VisualManager *visual, GF_TraverseState *tr_state) { GF_Rect rc; tr_state->visual = visual; #ifndef GPAC_DISABLE_VRML tr_state->backgrounds = visual->back_stack; tr_state->viewpoints = visual->view_stack; #endif /*setup clipper*/ if (visual->center_coords) { if (!visual->offscreen) { if (visual->compositor->scalable_zoom) rc = gf_rect_center(INT2FIX(visual->compositor->display_width), INT2FIX(visual->compositor->display_height)); else rc = gf_rect_center(INT2FIX(visual->compositor->output_width + 2*visual->compositor->vp_x), INT2FIX(visual->compositor->output_height + 2*visual->compositor->vp_y)); } else { rc = gf_rect_center(INT2FIX(visual->width), INT2FIX(visual->height)); } } else { rc.x = 0; rc.width = INT2FIX(visual->width); rc.y = rc.height = INT2FIX(visual->height); } /*set top-transform to pixelMetrics*/ if (!tr_state->pixel_metrics) gf_mx2d_add_scale(&tr_state->transform, tr_state->min_hsize, tr_state->min_hsize); visual->surf_rect = gf_rect_pixelize(&rc); // GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] output rectangle setup - width %d height %d\n", visual->surf_rect.width, visual->surf_rect.height)); /*setup top clipper*/ if (visual->center_coords) { rc = gf_rect_center(INT2FIX(visual->width), INT2FIX(visual->height)); } else { rc.width = INT2FIX(visual->width); rc.height = INT2FIX(visual->height); rc.x = 0; rc.y = rc.height; if (visual->compositor->visual==visual) { rc.x += INT2FIX(visual->compositor->vp_x); rc.y += INT2FIX(visual->compositor->vp_y); } } /*setup viewport*/ #ifndef GPAC_DISABLE_VRML if (gf_list_count(visual->view_stack)) { tr_state->traversing_mode = TRAVERSE_BINDABLE; tr_state->bounds = rc; gf_node_traverse((GF_Node *) gf_list_get(visual->view_stack, 0), tr_state); } #endif visual->top_clipper = gf_rect_pixelize(&rc); tr_state->clipper = rc; // GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Cliper setup - %d:%d@%dx%d\n", visual->top_clipper.x, visual->top_clipper.y, visual->top_clipper.width, visual->top_clipper.height)); }
Bool visual_2d_node_cull(GF_TraverseState *tr_state, GF_Rect *bounds) { GF_Rect rc; GF_IRect i_rc; rc = *bounds; gf_mx2d_apply_rect(&tr_state->transform, &rc); i_rc = gf_rect_pixelize(&rc); if (gf_irect_overlaps(&tr_state->visual->top_clipper, &i_rc)) return 1; return 0; }
static void compositor_2d_draw_rectangle(GF_TraverseState *tr_state) { DrawableContext *ctx = tr_state->ctx; if (ctx->aspect.fill_texture && ctx->aspect.fill_texture->data #ifndef GPAC_DISABLE_3D && !tr_state->visual->compositor->hybrid_opengl #endif ) { Bool res; /*get image size WITHOUT line size or antialias margin*/ if ( !(ctx->flags & CTX_NO_ANTIALIAS) ) { GF_Rect orig_unclip; GF_IRect orig_clip; orig_unclip = ctx->bi->unclip; orig_clip = ctx->bi->clip; gf_path_get_bounds(ctx->drawable->path, &ctx->bi->unclip); gf_mx2d_apply_rect(&ctx->transform, &ctx->bi->unclip); ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip); gf_irect_intersect(&ctx->bi->clip, &orig_clip); res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL); /*strike path*/ ctx->bi->unclip = orig_unclip; ctx->bi->clip = orig_clip; if (res) { ctx->flags |= CTX_PATH_FILLED; visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state); } } else { res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL); } /*if failure retry with raster*/ if (res) return; } visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state); visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state); }
static void RenderLayer2D(GF_Node *node, void *rs, Bool is_destroy) { u32 i; GF_List *prevback, *prevviews; GF_Rect clip; M_Viewport *vp; ChildGroup2D *cg; GF_Matrix2D gf_mx2d_bck; GroupingNode2D *parent_bck; DrawableContext *back_ctx; Bool bool_bck; DrawableContext *ctx; M_Background2D *back; M_Layer2D *l = (M_Layer2D *)node; Layer2DStack *l2D = (Layer2DStack *) gf_node_get_private(node); RenderEffect2D *eff; if (is_destroy) { DeleteGroupingNode2D((GroupingNode2D *)l2D); gf_list_del(l2D->backs); gf_list_del(l2D->views); free(l2D); return; } eff = (RenderEffect2D *) rs; gf_mx2d_copy(gf_mx2d_bck, eff->transform); parent_bck = eff->parent; eff->parent = (GroupingNode2D *) l2D; gf_mx2d_init(eff->transform); bool_bck = eff->draw_background; prevback = eff->back_stack; prevviews = eff->view_stack; eff->back_stack = l2D->backs; eff->view_stack = l2D->views; if (l2D->first) { /*render on back first to register with stack*/ if (l->background) { eff->draw_background = 0; gf_node_render((GF_Node*) l->background, eff); group2d_reset_children((GroupingNode2D*) l2D); eff->draw_background = 1; } vp = (M_Viewport*)l->viewport; if (vp) { gf_list_add(l2D->views, vp); if (!vp->isBound) { vp->isBound = 1; gf_node_event_out_str((GF_Node*)vp, "isBound"); } } } back = NULL; if (gf_list_count(l2D->backs) ) { back = (M_Background2D*)gf_list_get(l2D->backs, 0); if (!back->isBound) back = NULL; } vp = NULL; if (gf_list_count(l2D->views)) { vp = (M_Viewport*)gf_list_get(l2D->views, 0); if (!vp->isBound) vp = NULL; } if (!eff->is_pixel_metrics) gf_mx2d_add_scale(&eff->transform, eff->min_hsize, eff->min_hsize); l2D->clip = R2D_ClipperToPixelMetrics(eff, l->size); /*apply viewport*/ if (vp) { clip = l2D->clip; vp_setup((GF_Node *) vp, eff, &clip); } back_ctx = NULL; if (back) { /*setup back size and render*/ group2d_start_child((GroupingNode2D *)l2D); eff->draw_background = 1; ctx = b2D_GetContext(back, l2D->backs); ctx->bi->unclip = l2D->clip; ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip); gf_mx2d_init(ctx->transform); gf_node_render((GF_Node *) back, eff); eff->draw_background = 0; /*we need a trick since we're not using a dedicated surface for layer rendering, we emulate the back context: remove previous context and insert fake one*/ if (!(eff->trav_flags & TF_RENDER_DIRECT) && (gf_list_count(l2D->groups)==1)) { ChildGroup2D *cg = (ChildGroup2D *)gf_list_get(l2D->groups, 0); back_ctx = VS2D_GetDrawableContext(eff->surface); gf_list_rem(cg->contexts, 0); gf_list_add(cg->contexts, back_ctx); back_ctx->h_texture = ctx->h_texture; back_ctx->flags = ctx->flags; back_ctx->flags &= ~CTX_IS_TRANSPARENT; back_ctx->flags |= CTX_IS_BACKGROUND; back_ctx->aspect = ctx->aspect; back_ctx->drawable = ctx->drawable; drawable_check_bounds(back_ctx, eff->surface); back_ctx->bi->clip = ctx->bi->clip; back_ctx->bi->unclip = ctx->bi->unclip; } group2d_end_child((GroupingNode2D *)l2D); } group2d_traverse((GroupingNode2D *)l2D, l->children, eff); /*restore effect*/ eff->draw_background = bool_bck; gf_mx2d_copy(eff->transform, gf_mx2d_bck); eff->parent = parent_bck; eff->back_stack = prevback; eff->view_stack = prevviews; /*check bindables*/ if (l2D->first) { Bool redraw = 0; l2D->first = 0; if (!back && gf_list_count(l2D->backs)) redraw = 1; if (!vp && gf_list_count(l2D->views) ) redraw = 1; /*we missed background or viewport (was not declared as bound during traversal, and is bound now)*/ if (redraw) { group2d_reset_children((GroupingNode2D*)l2D); gf_sr_invalidate(l2D->compositor, NULL); return; } } i=0; while ((cg = (ChildGroup2D *)gf_list_enum(l2D->groups, &i))) { child2d_render_done(cg, eff, &l2D->clip); } group2d_reset_children((GroupingNode2D*)l2D); group2d_force_bounds(eff->parent, &l2D->clip); }
static void TraverseLayer2D(GF_Node *node, void *rs, Bool is_destroy) { GF_List *oldb, *oldv; GF_Node *viewport; GF_Node *back; Bool prev_layer; GF_Matrix2D backup; SFVec2f prev_vp; #ifndef GPAC_DISABLE_3D GF_Matrix mx3d; GF_List *oldf, *oldn; GF_List *node_list_backup; GF_Rect prev_clipper; Bool had_clip; #endif M_Layer2D *l = (M_Layer2D *)node; Layer2DStack *st = (Layer2DStack *) gf_node_get_private(node); GF_TraverseState *tr_state = (GF_TraverseState *) rs; if (is_destroy) { gf_list_del(st->backs); gf_list_del(st->views); group_2d_destroy(node, (GroupingNode2D*)st); gf_free(st); return; } /*layers can only be used in a 2D context*/ #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d && tr_state->camera->is_3D) return; #endif /*layer2D maintains its own stacks*/ oldb = tr_state->backgrounds; oldv = tr_state->viewpoints; tr_state->backgrounds = st->backs; tr_state->viewpoints = st->views; prev_layer = tr_state->is_layer; tr_state->is_layer = 1; #ifndef GPAC_DISABLE_3D oldf = tr_state->fogs; oldn = tr_state->navigations; tr_state->fogs = tr_state->navigations = NULL; #endif l2d_CheckBindables(node, tr_state, st->first); back = (GF_Node*)gf_list_get(st->backs, 0); viewport = (GF_Node*)gf_list_get(st->views, 0); if ((tr_state->traversing_mode == TRAVERSE_SORT) || (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS)) { /*override group bounds*/ visual_get_size_info(tr_state, &st->clip.width, &st->clip.height); /*setup bounds in local coord system*/ if (l->size.x>=0) st->clip.width = l->size.x; if (l->size.y>=0) st->clip.height = l->size.y; st->clip = gf_rect_center(st->clip.width, st->clip.height); st->bounds = st->clip; } prev_vp = tr_state->vp_size; tr_state->vp_size.x = st->clip.width; tr_state->vp_size.y = st->clip.height; switch (tr_state->traversing_mode) { case TRAVERSE_SORT: #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { tr_state->layer_clipper = compositor_2d_update_clipper(tr_state, st->clip, &had_clip, &prev_clipper, 1); visual_3d_matrix_push(tr_state->visual); gf_mx_copy(mx3d, tr_state->model_matrix); /*setup clipping*/ visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper); /*apply background BEFORE viewport*/ if (back) { tr_state->traversing_mode = TRAVERSE_BINDABLE; gf_bbox_from_rect(&tr_state->bbox, &st->clip); gf_node_traverse(back, tr_state); } /*sort all children without transform, and use current transform when flushing contexts*/ gf_mx_init(tr_state->model_matrix); /*apply viewport*/ if (viewport) { tr_state->traversing_mode = TRAVERSE_BINDABLE; tr_state->bounds = st->clip; gf_node_traverse(viewport, tr_state); visual_3d_matrix_add(tr_state->visual, tr_state->model_matrix.m); } node_list_backup = tr_state->visual->alpha_nodes_to_draw; tr_state->visual->alpha_nodes_to_draw = gf_list_new(); tr_state->traversing_mode = TRAVERSE_SORT; /*reset cull flag*/ tr_state->cull_flag = 0; group_2d_traverse(node, (GroupingNode2D *)st, tr_state); visual_3d_flush_contexts(tr_state->visual, tr_state); tr_state->traversing_mode = TRAVERSE_SORT; assert(!gf_list_count(tr_state->visual->alpha_nodes_to_draw)); gf_list_del(tr_state->visual->alpha_nodes_to_draw); tr_state->visual->alpha_nodes_to_draw = node_list_backup; visual_3d_matrix_pop(tr_state->visual); gf_mx_copy(tr_state->model_matrix, mx3d); visual_3d_reset_clipper_2d(tr_state->visual); tr_state->has_layer_clip = had_clip; if (had_clip) { tr_state->layer_clipper = prev_clipper; visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper); } } else #endif { GF_IRect prev_clip; GF_Rect rc; gf_mx2d_copy(backup, tr_state->transform); prev_clip = tr_state->visual->top_clipper; rc = st->clip; /*get clipper in world coordinate*/ gf_mx2d_apply_rect(&tr_state->transform, &rc); if (viewport) { tr_state->traversing_mode = TRAVERSE_BINDABLE; tr_state->bounds = st->clip; gf_node_traverse(viewport, tr_state); #if VIEWPORT_CLIPS /*move viewport box in world coordinate*/ gf_mx2d_apply_rect(&backup, &tr_state->bounds); /*and intersect with layer clipper*/ rect_intersect(&rc, &tr_state->bounds); #endif } tr_state->visual->top_clipper = gf_rect_pixelize(&rc); gf_irect_intersect(&tr_state->visual->top_clipper, &prev_clip); tr_state->traversing_mode = TRAVERSE_SORT; if (tr_state->visual->top_clipper.width && tr_state->visual->top_clipper.height) { if (back && Bindable_GetIsBound(back) ) { DrawableContext *ctx; ctx = b2d_get_context((M_Background2D*) back, st->backs); gf_mx2d_init(ctx->transform); ctx->bi->clip = tr_state->visual->top_clipper; ctx->bi->unclip = rc; if (tr_state->immediate_draw) { tr_state->ctx = ctx; tr_state->traversing_mode = TRAVERSE_DRAW_2D; gf_node_traverse(back, tr_state); tr_state->traversing_mode = TRAVERSE_SORT; tr_state->ctx = NULL; } else { DrawableContext *back_ctx = visual_2d_get_drawable_context(tr_state->visual); gf_node_traverse(back, tr_state); back_ctx->flags = ctx->flags; back_ctx->flags &= ~CTX_IS_TRANSPARENT; back_ctx->flags |= CTX_IS_BACKGROUND; back_ctx->aspect = ctx->aspect; back_ctx->drawable = ctx->drawable; drawable_check_bounds(back_ctx, tr_state->visual); back_ctx->bi->clip = ctx->bi->clip; back_ctx->bi->unclip = ctx->bi->unclip; } /*keep track of node drawn*/ if (!(ctx->drawable->flags & DRAWABLE_REGISTERED_WITH_VISUAL) ) { struct _drawable_store *it; GF_SAFEALLOC(it, struct _drawable_store); it->drawable = ctx->drawable; if (tr_state->visual->last_prev_entry) { tr_state->visual->last_prev_entry->next = it; tr_state->visual->last_prev_entry = it; } else { tr_state->visual->prev_nodes = tr_state->visual->last_prev_entry = it; } GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Layer2D] Registering new drawn node %s on visual\n", gf_node_get_class_name(it->drawable->node))); ctx->drawable->flags |= DRAWABLE_REGISTERED_WITH_VISUAL; } } group_2d_traverse(node, (GroupingNode2D *)st, tr_state); } tr_state->visual->top_clipper = prev_clip; gf_mx2d_copy(tr_state->transform, backup); } break; /*check picking - we must fall in our 2D clipper*/ case TRAVERSE_PICK: if (gf_sc_pick_in_clipper(tr_state, &st->clip)) { #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { /*apply viewport*/ if (viewport) { gf_mx_copy(mx3d, tr_state->model_matrix); tr_state->traversing_mode = TRAVERSE_BINDABLE; tr_state->bounds = st->clip; gf_node_traverse(viewport, tr_state); tr_state->traversing_mode = TRAVERSE_PICK; group_2d_traverse(node, (GroupingNode2D *)st, tr_state); gf_mx_copy(tr_state->model_matrix, mx3d); } else { group_2d_traverse(node, (GroupingNode2D *)st, tr_state); } } else #endif { if (viewport) { gf_mx2d_copy(backup, tr_state->transform); tr_state->traversing_mode = TRAVERSE_BINDABLE; tr_state->bounds = st->clip; gf_node_traverse(viewport, tr_state); tr_state->traversing_mode = TRAVERSE_PICK; group_2d_traverse(node, (GroupingNode2D *)st, tr_state); gf_mx2d_copy(tr_state->transform, backup); } else { group_2d_traverse(node, (GroupingNode2D *)st, tr_state); } } } break; case TRAVERSE_GET_BOUNDS: if (tr_state->for_node) { group_2d_traverse(node, (GroupingNode2D *)st, tr_state); } else { tr_state->bounds = st->clip; #ifndef GPAC_DISABLE_3D gf_bbox_from_rect(&tr_state->bbox, &st->clip); #endif } break; case TRAVERSE_DRAW_2D: group_2d_traverse(node, (GroupingNode2D *)st, tr_state); break; #ifndef GPAC_DISABLE_3D /*drawing a layer means drawing all sub-elements as a whole (no depth sorting with parents)*/ case TRAVERSE_DRAW_3D: assert(0); break; #endif } /*restore traversing state*/ tr_state->vp_size = prev_vp; tr_state->backgrounds = oldb; tr_state->viewpoints = oldv; tr_state->is_layer = prev_layer; #ifndef GPAC_DISABLE_3D tr_state->fogs = oldf; tr_state->navigations = oldn; #endif /*in case we missed bindables*/ if (st->first) { st->first = 0; gf_sc_invalidate(tr_state->visual->compositor, NULL); } }
/* This is a crude draft implementation of filter. The main drawback is that we don't cache any data. We should be able to check for changes in the sub-group or in the filter */ void svg_draw_filter(GF_Node *filter, GF_Node *node, GF_TraverseState *tr_state) { GF_IRect rc1, rc2; #ifndef GPAC_DISABLE_3D u32 type_3d; #endif u32 prev_flags; GF_IRect txrc; Fixed scale_x, scale_y, temp_x, temp_y; DrawableContext *ctx, *child_ctx; GF_SURFACE offscreen_surface, old_surf; GF_Rect bounds, local_bounds, rc; GF_Matrix2D backup; SVGAllAttributes all_atts; GF_FilterStack *st = gf_node_get_private(filter); assert(tr_state->traversing_mode==TRAVERSE_SORT); /*store the current transform matrix, create a new one for group_cache*/ gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); gf_node_allow_cyclic_traverse(node); tr_state->traversing_mode = TRAVERSE_GET_BOUNDS; tr_state->bounds.width = tr_state->bounds.height = 0; gf_node_traverse(node, tr_state); local_bounds = bounds = tr_state->bounds; /*compute bounds in final coordinate system - this ensures that the cache has the correct anti aliasing*/ gf_mx2d_apply_rect(&backup, &bounds); txrc = gf_rect_pixelize(&bounds); if (txrc.width%2) txrc.width++; if (txrc.height%2) txrc.height++; bounds = gf_rect_ft(&txrc); tr_state->traversing_mode = TRAVERSE_SORT; gf_mx2d_copy(tr_state->transform, backup); if (!bounds.width || !bounds.height) { return; } /*create a context */ ctx = drawable_init_context_svg(st->drawable, tr_state); if (!ctx) return; /*setup texture */ st->txh.height = txrc.height; st->txh.width = txrc.width; st->txh.stride = txrc.width * 4; st->txh.pixelformat = GF_PIXEL_ARGB; #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) st->txh.pixelformat = GF_PIXEL_RGBA; #endif st->txh.transparent = 1; if (st->txh.stride * st->txh.height > st->alloc_size) { st->alloc_size = st->txh.stride * st->txh.height; st->data = (u8*)gf_realloc(st->data, sizeof(u8) * st->alloc_size); } memset(st->data, 0x0, sizeof(char) * st->txh.stride * st->txh.height); st->txh.data = (char *) st->data; /*setup geometry (rectangle matching the bounds of the object) Warning, we want to center the cached bitmap at the center of the screen (main visual)*/ gf_path_reset(st->drawable->path); gf_path_add_rect_center(st->drawable->path, bounds.x + bounds.width/2, bounds.y - bounds.height/2, bounds.width, bounds.height); old_surf = tr_state->visual->raster_surface; offscreen_surface = tr_state->visual->compositor->rasterizer->surface_new(tr_state->visual->compositor->rasterizer, tr_state->visual->center_coords); tr_state->visual->raster_surface = offscreen_surface; gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); /*attach the buffer to visual*/ tr_state->visual->compositor->rasterizer->surface_attach_to_buffer(offscreen_surface, st->txh.data, st->txh.width, st->txh.height, 0, st->txh.stride, st->txh.pixelformat); prev_flags = tr_state->immediate_draw; tr_state->immediate_draw = 1; tr_state->traversing_mode = TRAVERSE_SORT; tr_state->in_svg_filter = 1; /*recompute the bounds with the final scaling used*/ scale_x = gf_divfix(bounds.width, local_bounds.width); scale_y = gf_divfix(bounds.height, local_bounds.height); gf_mx2d_init(tr_state->transform); gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); rc = local_bounds; gf_mx2d_apply_rect(&tr_state->transform, &rc); /*centered the bitmap on the visual*/ if (tr_state->visual->center_coords) { temp_x = -rc.x - rc.width/2; temp_y = rc.height/2 - rc.y; } else { temp_x = -rc.x; temp_y = rc.height - rc.y; } gf_mx2d_add_translation(&tr_state->transform, temp_x, temp_y); rc1 = tr_state->visual->surf_rect; rc2 = tr_state->visual->top_clipper; tr_state->visual->surf_rect.width = st->txh.width; tr_state->visual->surf_rect.height = st->txh.height; if (tr_state->visual->center_coords) { tr_state->visual->surf_rect.y = st->txh.height/2; tr_state->visual->surf_rect.x = -1 * (s32) st->txh.width/2; } else { tr_state->visual->surf_rect.y = st->txh.height; tr_state->visual->surf_rect.x = 0; } tr_state->visual->top_clipper = tr_state->visual->surf_rect; #ifndef GPAC_DISABLE_3D type_3d = tr_state->visual->type_3d; tr_state->visual->type_3d=0; #endif if (prev_flags) gf_node_allow_cyclic_traverse(node); gf_node_traverse(node, tr_state); child_ctx = ctx->next; while (child_ctx && child_ctx->drawable) { drawable_reset_bounds(child_ctx->drawable, tr_state->visual); child_ctx->drawable = NULL; child_ctx = child_ctx->next; } tr_state->visual->cur_context = ctx; /*restore state and destroy whatever needs to be cleaned*/ tr_state->in_svg_filter = 0; tr_state->immediate_draw = prev_flags; tr_state->visual->compositor->rasterizer->surface_delete(offscreen_surface); tr_state->visual->raster_surface = old_surf; tr_state->traversing_mode = TRAVERSE_SORT; tr_state->visual->surf_rect = rc1; tr_state->visual->top_clipper = rc2; #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d ; #endif /*update texture*/ st->txh.transparent = 1; st->txh.flags |= GF_SR_TEXTURE_NO_GL_FLIP; gf_sc_texture_set_data(&st->txh); #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) gf_sc_texture_push_image(&st->txh, 0, 0); else #endif gf_sc_texture_push_image(&st->txh, 0, 1); ctx->flags |= CTX_NO_ANTIALIAS; ctx->aspect.fill_color = 0; ctx->aspect.line_color = 0xFF000000; ctx->aspect.fill_texture = &st->txh; ctx->flags |= CTX_TEXTURE_DIRTY; /*get the filter region*/ bounds = local_bounds; gf_svg_flatten_attributes((SVG_Element *)filter, &all_atts); if (!all_atts.filterUnits || (*all_atts.filterUnits==SVG_GRADIENTUNITS_OBJECT)) { Fixed v; v = all_atts.x ? all_atts.x->value : INT2FIX(-10); bounds.x += gf_mulfix(v, bounds.width); v = all_atts.y ? all_atts.y->value : INT2FIX(-10); bounds.y += gf_mulfix(v, bounds.height); v = all_atts.width ? all_atts.width->value : INT2FIX(120); bounds.width = gf_mulfix(v, bounds.width); v = all_atts.height ? all_atts.height->value : INT2FIX(120); bounds.height = gf_mulfix(v, bounds.height); } else { bounds.x = all_atts.x ? all_atts.x->value : 0; bounds.y = all_atts.y ? all_atts.y->value : 0; bounds.width = all_atts.width ? all_atts.x->value : bounds.width; bounds.height = all_atts.x ? all_atts.x->value : 120; } gf_mx2d_apply_rect(&backup, &bounds); svg_filter_apply(filter, &st->txh, &bounds); #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { if (!st->drawable->mesh) { st->drawable->mesh = new_mesh(); mesh_from_path(st->drawable->mesh, st->drawable->path); } visual_3d_draw_from_context(tr_state->ctx, tr_state); ctx->drawable = NULL; return; } #endif /*we computed the texture in final screen coordinate, so use the identity matrix for the context*/ gf_mx2d_init(tr_state->transform); drawable_finalize_sort(ctx, tr_state, NULL); gf_mx2d_copy(tr_state->transform, backup); }
Bool group_cache_traverse(GF_Node *node, GroupCache *cache, GF_TraverseState *tr_state, Bool force_recompute, Bool is_mpeg4, Bool auto_fit_vp) { GF_Matrix2D backup; DrawableContext *group_ctx = NULL; GF_ChildNodeItem *l; if (!cache) return 0; /*do we need to recompute the cache*/ if (cache->force_recompute) { force_recompute = 1; cache->force_recompute = 0; } else if (gf_node_dirty_get(node) & GF_SG_CHILD_DIRTY) { force_recompute = 1; } /*we need to redraw the group in an offscreen visual*/ if (force_recompute) { GF_Matrix2D backup; GF_IRect rc1, rc2; u32 type_3d; u32 prev_flags; GF_Rect cache_bounds; GF_SURFACE offscreen_surface, old_surf; GF_Raster2D *r2d = tr_state->visual->compositor->rasterizer; DrawableContext *child_ctx; Fixed temp_x, temp_y, scale_x, scale_y; GF_LOG(GF_LOG_INFO, GF_LOG_COMPOSE, ("[Compositor] Recomputing cache for subtree %s\n", gf_node_get_log_name(node))); /*step 1 : store current state and indicate children should not be cached*/ tr_state->in_group_cache = 1; prev_flags = tr_state->immediate_draw; /*store the current transform matrix, create a new one for group_cache*/ gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); type_3d = 0; #ifndef GPAC_DISABLE_3D /*force 2D rendering*/ type_3d = tr_state->visual->type_3d; tr_state->visual->type_3d = 0; #endif /*step 2: collect the bounds of all children*/ tr_state->traversing_mode = TRAVERSE_GET_BOUNDS; cache_bounds.width = cache_bounds.height = 0; l = ((GF_ParentNode*)node)->children; while (l) { tr_state->bounds.width = tr_state->bounds.height = 0; gf_node_traverse(l->node, tr_state); l = l->next; gf_rect_union(&cache_bounds, &tr_state->bounds); } tr_state->traversing_mode = TRAVERSE_SORT; if (!cache_bounds.width || !cache_bounds.height) { tr_state->in_group_cache = 0; tr_state->immediate_draw = prev_flags; gf_mx2d_copy(tr_state->transform, backup); #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d; #endif return 0; } /*step 3: insert a DrawableContext for this group in the display list*/ if (is_mpeg4) { #ifndef GPAC_DISABLE_VRML group_ctx = drawable_init_context_mpeg4(cache->drawable, tr_state); #endif } else { #ifndef GPAC_DISABLE_SVG group_ctx = drawable_init_context_svg(cache->drawable, tr_state); #endif } if (!group_ctx) return 0; /*step 4: now we have the bounds: allocate the offscreen memory create temp raster visual & attach to buffer override the tr_state->visual->the_surface with the temp raster add translation (shape is not always centered) setup top clipers */ old_surf = tr_state->visual->raster_surface; offscreen_surface = r2d->surface_new(r2d, tr_state->visual->center_coords); /*a new temp raster visual*/ tr_state->visual->raster_surface = offscreen_surface; /*use current surface coordinate scaling to compute the cache*/ #ifdef GF_SR_USE_VIDEO_CACHE scale_x = tr_state->visual->compositor->cache_scale * backup.m[0] / 100; scale_y = tr_state->visual->compositor->cache_scale * backup.m[4] / 100; #else scale_x = backup.m[0]; scale_y = backup.m[4]; #endif if (scale_x<0) scale_x = -scale_x; if (scale_y<0) scale_y = -scale_y; cache->scale = MAX(scale_x, scale_y); tr_state->bounds = cache_bounds; gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); gf_mx2d_apply_rect(&tr_state->transform, &cache_bounds); rc1 = gf_rect_pixelize(&cache_bounds); if (rc1.width % 2) rc1.width++; if (rc1.height%2) rc1.height++; /* Initialize the group cache with the scaled pixelized bounds for texture but the original bounds for path*/ group_cache_setup(cache, &tr_state->bounds, &rc1, tr_state->visual->compositor, type_3d); /*attach the buffer to visual*/ r2d->surface_attach_to_buffer(offscreen_surface, cache->txh.data, cache->txh.width, cache->txh.height, 0, cache->txh.stride, cache->txh.pixelformat); /*recompute the bounds with the final scaling used*/ scale_x = gf_divfix(INT2FIX(rc1.width), tr_state->bounds.width); scale_y = gf_divfix(INT2FIX(rc1.height), tr_state->bounds.height); gf_mx2d_init(tr_state->transform); gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); cache_bounds = tr_state->bounds; gf_mx2d_apply_rect(&tr_state->transform, &cache_bounds); /*centered the bitmap on the visual*/ temp_x = -cache_bounds.x; temp_y = -cache_bounds.y; if (tr_state->visual->center_coords) { temp_x -= cache_bounds.width/2; temp_y += cache_bounds.height/2; } else { temp_y += cache_bounds.height; } gf_mx2d_add_translation(&tr_state->transform, temp_x, temp_y); /*override top clippers*/ rc1 = tr_state->visual->surf_rect; rc2 = tr_state->visual->top_clipper; tr_state->visual->surf_rect.width = cache->txh.width; tr_state->visual->surf_rect.height = cache->txh.height; if (tr_state->visual->center_coords) { tr_state->visual->surf_rect.y = cache->txh.height/2; tr_state->visual->surf_rect.x = -1 * (s32) cache->txh.width/2; } else { tr_state->visual->surf_rect.y = cache->txh.height; tr_state->visual->surf_rect.x = 0; } tr_state->visual->top_clipper = tr_state->visual->surf_rect; /*step 5: traverse subtree in direct draw mode*/ tr_state->immediate_draw = 1; group_ctx->flags &= ~CTX_NO_ANTIALIAS; l = ((GF_ParentNode*)node)->children; while (l) { gf_node_traverse(l->node, tr_state); l = l->next; } /*step 6: reset all contexts after the current group one*/ child_ctx = group_ctx->next; while (child_ctx && child_ctx->drawable) { drawable_reset_bounds(child_ctx->drawable, tr_state->visual); child_ctx->drawable = NULL; child_ctx = child_ctx->next; } /*and set ourselves as the last context on the main visual*/ tr_state->visual->cur_context = group_ctx; /*restore state and destroy whatever needs to be cleaned*/ gf_mx2d_copy(tr_state->transform, backup); tr_state->in_group_cache = 0; tr_state->immediate_draw = prev_flags; r2d->surface_delete(offscreen_surface); tr_state->visual->raster_surface = old_surf; tr_state->traversing_mode = TRAVERSE_SORT; #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d; #endif tr_state->visual->surf_rect = rc1; tr_state->visual->top_clipper = rc2; /*update texture*/ cache->txh.transparent = 1; cache->txh.flags |= GF_SR_TEXTURE_NO_GL_FLIP; gf_sc_texture_set_data(&cache->txh); gf_sc_texture_push_image(&cache->txh, 0, type_3d ? 0 : 1); cache->orig_vp = tr_state->vp_size; } /*just setup the context*/ else { if (is_mpeg4) { #ifndef GPAC_DISABLE_VRML group_ctx = drawable_init_context_mpeg4(cache->drawable, tr_state); #endif } else { #ifndef GPAC_DISABLE_SVG group_ctx = drawable_init_context_svg(cache->drawable, tr_state); #endif } } if (!group_ctx) return 0; group_ctx->flags |= CTX_NO_ANTIALIAS; if (cache->opacity != FIX_ONE) group_ctx->aspect.fill_color = GF_COL_ARGB_FIXED(cache->opacity, FIX_ONE, FIX_ONE, FIX_ONE); else group_ctx->aspect.fill_color = 0; group_ctx->aspect.fill_texture = &cache->txh; if (!cache->opacity) { group_ctx->drawable = NULL; return 0; } if (gf_node_dirty_get(node)) group_ctx->flags |= CTX_TEXTURE_DIRTY; #ifdef CACHE_DEBUG_CENTER gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); #else gf_mx2d_copy(backup, tr_state->transform); if (auto_fit_vp) { if ((tr_state->vp_size.x != cache->orig_vp.x) || (tr_state->vp_size.y != cache->orig_vp.y)) { GF_Matrix2D m; gf_mx2d_init(m); gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_add_scale(&m, gf_divfix(tr_state->vp_size.x, cache->orig_vp.x), gf_divfix(tr_state->vp_size.y, cache->orig_vp.y) ); gf_mx2d_pre_multiply(&tr_state->transform, &m); } else { auto_fit_vp = 0; } } #endif #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { if (!cache->drawable->mesh) { cache->drawable->mesh = new_mesh(); mesh_from_path(cache->drawable->mesh, cache->drawable->path); } visual_3d_draw_from_context(group_ctx, tr_state); group_ctx->drawable = NULL; } else #endif drawable_finalize_sort(group_ctx, tr_state, NULL); #ifndef CACHE_DEBUG_CENTER if (auto_fit_vp) #endif { gf_mx2d_copy(tr_state->transform, backup); } return (force_recompute==1); }
/* Set the viewport of the renderer based on the element that contains a viewport TODO: change the SVG_SANI_svgElement into an element that has a viewport (more generic) */ static void gf_svg_sani_set_viewport_transformation(RenderEffect2D *eff, SVG_SANI_svgElement *svg, Bool is_root) { GF_Matrix2D mat; Fixed real_width, real_height; gf_mx2d_init(mat); if (is_root) { u32 scene_width = eff->surface->render->compositor->scene_width; u32 scene_height = eff->surface->render->compositor->scene_height; u32 dpi = 90; /* Should retrieve the dpi from the system */ switch (svg->width.type) { case SVG_NUMBER_VALUE: case SVG_NUMBER_PX: real_width = INT2FIX(scene_width); break; case SVG_NUMBER_PERCENTAGE: /*u32 * fixed / u32*/ real_width = scene_width*svg->width.value/100; break; case SVG_NUMBER_IN: real_width = dpi * svg->width.value; break; case SVG_NUMBER_CM: real_width = gf_mulfix(dpi*FLT2FIX(0.39), svg->width.value); break; case SVG_NUMBER_MM: real_width = gf_mulfix(dpi*FLT2FIX(0.039), svg->width.value); break; case SVG_NUMBER_PT: real_width = dpi/12 * svg->width.value; break; case SVG_NUMBER_PC: real_width = dpi/6 * svg->width.value; break; default: real_width = INT2FIX(scene_width); break; } switch (svg->height.type) { case SVG_NUMBER_VALUE: case SVG_NUMBER_PX: real_height = INT2FIX(scene_height); break; case SVG_NUMBER_PERCENTAGE: real_height = scene_height*svg->height.value/100; break; case SVG_NUMBER_IN: real_height = dpi * svg->height.value; break; case SVG_NUMBER_CM: real_height = gf_mulfix(dpi*FLT2FIX(0.39), svg->height.value); break; case SVG_NUMBER_MM: real_height = gf_mulfix(dpi*FLT2FIX(0.039), svg->height.value); break; case SVG_NUMBER_PT: real_height = dpi/12 * svg->height.value; break; case SVG_NUMBER_PC: real_height = dpi/6 * svg->height.value; break; default: real_height = INT2FIX(scene_height); break; } } else { real_width = real_height = 0; switch (svg->width.type) { case SVG_NUMBER_VALUE: case SVG_NUMBER_PX: real_width = svg->width.value; break; default: break; } switch (svg->height.type) { case SVG_NUMBER_VALUE: case SVG_NUMBER_PX: real_height = svg->height.value; break; default: break; } } if (!real_width || !real_height) return; if (svg->viewBox.is_set && svg->viewBox.width != 0 && svg->viewBox.height != 0) { Fixed scale, vp_w, vp_h; if (svg->preserveAspectRatio.meetOrSlice==SVG_MEETORSLICE_MEET) { if (gf_divfix(real_width, svg->viewBox.width) > gf_divfix(real_height, svg->viewBox.height)) { scale = gf_divfix(real_height, svg->viewBox.height); vp_w = gf_mulfix(svg->viewBox.width, scale); vp_h = real_height; } else { scale = gf_divfix(real_width, svg->viewBox.width); vp_w = real_width; vp_h = gf_mulfix(svg->viewBox.height, scale); } } else { if (gf_divfix(real_width, svg->viewBox.width) < gf_divfix(real_height, svg->viewBox.height)) { scale = gf_divfix(real_height, svg->viewBox.height); vp_w = gf_mulfix(svg->viewBox.width, scale); vp_h = real_height; } else { scale = gf_divfix(real_width, svg->viewBox.width); vp_w = real_width; vp_h = gf_mulfix(svg->viewBox.height, scale); } } if (svg->preserveAspectRatio.align==SVG_PRESERVEASPECTRATIO_NONE) { mat.m[0] = gf_divfix(real_width, svg->viewBox.width); mat.m[4] = gf_divfix(real_height, svg->viewBox.height); mat.m[2] = - gf_muldiv(svg->viewBox.x, real_width, svg->viewBox.width); mat.m[5] = - gf_muldiv(svg->viewBox.y, real_height, svg->viewBox.height); } else { Fixed dx, dy; mat.m[0] = mat.m[4] = scale; mat.m[2] = - gf_mulfix(svg->viewBox.x, scale); mat.m[5] = - gf_mulfix(svg->viewBox.y, scale); dx = dy = 0; switch (svg->preserveAspectRatio.align) { case SVG_PRESERVEASPECTRATIO_XMINYMIN: break; case SVG_PRESERVEASPECTRATIO_XMIDYMIN: dx = ( real_width - vp_w) / 2; break; case SVG_PRESERVEASPECTRATIO_XMAXYMIN: dx = real_width - vp_w; break; case SVG_PRESERVEASPECTRATIO_XMINYMID: dy = ( real_height - vp_h) / 2; break; case SVG_PRESERVEASPECTRATIO_XMIDYMID: dx = ( real_width - vp_w) / 2; dy = ( real_height - vp_h) / 2; break; case SVG_PRESERVEASPECTRATIO_XMAXYMID: dx = real_width - vp_w; dy = ( real_height - vp_h) / 2; break; case SVG_PRESERVEASPECTRATIO_XMINYMAX: dy = real_height - vp_h; break; case SVG_PRESERVEASPECTRATIO_XMIDYMAX: dx = (real_width - vp_w) / 2; dy = real_height - vp_h; break; case SVG_PRESERVEASPECTRATIO_XMAXYMAX: dx = real_width - vp_w; dy = real_height - vp_h; break; } mat.m[2] += dx; mat.m[5] += dy; /*we need a clipper*/ if (svg->preserveAspectRatio.meetOrSlice==SVG_MEETORSLICE_SLICE) { GF_Rect rc; rc.width = real_width; rc.height = real_height; if (!is_root) { rc.x = 0; rc.y = real_height; gf_mx2d_apply_rect(&eff->vb_transform, &rc); } else { rc.x = dx; rc.y = dy + real_height; } eff->surface->top_clipper = gf_rect_pixelize(&rc); } } } gf_mx2d_pre_multiply(&eff->vb_transform, &mat); }
static void svg_traverse_animation(GF_Node *node, void *rs, Bool is_destroy) { SVGAllAttributes all_atts; GF_Matrix2D backup_matrix; GF_Matrix backup_matrix3d; SVGPropertiesPointers backup_props; u32 backup_flags; SFVec2f prev_vp; GF_Rect rc; GF_IRect clip, prev_clip; SVGAllAttributes *prev_vp_atts; GF_TraverseState *tr_state = (GF_TraverseState*)rs; GF_Matrix2D translate; SVGPropertiesPointers *old_props; SVGlinkStack *stack = gf_node_get_private(node); if (is_destroy) { if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource); gf_free(stack); return; } gf_svg_flatten_attributes((SVG_Element *)node, &all_atts); if (!stack->inline_sg && !stack->resource) { if (!stack->init_vis_state) { if (all_atts.initialVisibility && (*all_atts.initialVisibility==SVG_INITIALVISIBILTY_ALWAYS)) { stack->init_vis_state = 2; svg_animation_smil_update(node, stack, 0); } else { stack->init_vis_state = 1; } } if (!stack->inline_sg && !stack->resource) return; } if (!all_atts.width || !all_atts.height) return; if (!all_atts.width->value || !all_atts.height->value) return; if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags)) return; if (compositor_svg_is_display_off(tr_state->svg_props) || *(tr_state->svg_props->visibility) == SVG_VISIBILITY_HIDDEN) { goto end; } compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &backup_matrix3d); /*add x/y translation*/ gf_mx2d_init(translate); translate.m[2] = (all_atts.x ? all_atts.x->value : 0); translate.m[5] = (all_atts.y ? all_atts.y->value : 0); #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { gf_mx_add_matrix_2d(&tr_state->model_matrix, &translate); if (tr_state->traversing_mode==TRAVERSE_SORT) { GF_Matrix tmp; gf_mx_from_mx2d(&tmp, &translate); visual_3d_matrix_add(tr_state->visual, tmp.m); } } else #endif gf_mx2d_pre_multiply(&tr_state->transform, &translate); /*reset SVG props to reload a new inheritance context*/ old_props = tr_state->svg_props; tr_state->svg_props = NULL; /*store this node's attribute to compute PAR/ViewBox of the child <svg>*/ prev_vp_atts = tr_state->parent_anim_atts; tr_state->parent_anim_atts = &all_atts; /*update VP size*/ prev_vp = tr_state->vp_size; tr_state->vp_size.x = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.width); tr_state->vp_size.y = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.height); /*setup new clipper*/ rc.width = tr_state->vp_size.x; rc.height = tr_state->vp_size.y; rc.x = 0; rc.y = tr_state->vp_size.y; gf_mx2d_apply_rect(&tr_state->transform, &rc); prev_clip = tr_state->visual->top_clipper; clip = gf_rect_pixelize(&rc); // gf_irect_intersect(&tr_state->visual->top_clipper, &clip); if (!stack->inline_sg && stack->resource) { stack->inline_sg = gf_mo_get_scenegraph(stack->resource); } if (stack->inline_sg) { gf_sc_traverse_subscene(tr_state->visual->compositor, node, stack->inline_sg, tr_state); } if (stack->init_vis_state == 2) { stack->init_vis_state = 3; gf_mo_pause(stack->resource); } tr_state->svg_props = old_props; tr_state->visual->top_clipper = prev_clip; tr_state->parent_anim_atts = prev_vp_atts; tr_state->vp_size = prev_vp; compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &backup_matrix3d); end: memcpy(tr_state->svg_props, &backup_props, sizeof(SVGPropertiesPointers)); tr_state->svg_flags = backup_flags; }