static void UpdateLinearGradient(GF_TextureHandler *txh)
{
u32 i, *cols;
Fixed a;
Bool const_a;
M_LinearGradient *lg = (M_LinearGradient *) txh->owner;
GradientStack *st = (GradientStack *) gf_node_get_private(txh->owner);
if (!txh->hwtx) txh->hwtx = txh->compositor->r2d->stencil_new(txh->compositor->r2d, GF_STENCIL_LINEAR_GRADIENT);
if (!gf_node_dirty_get(txh->owner)) return;
gf_node_dirty_clear(txh->owner, 0);
txh->needs_refresh = 1;
st->txh.transparent = 0;
const_a = (lg->opacity.count == 1) ? 1 : 0;
cols = (u32*)malloc(sizeof(u32) * lg->key.count);
for (i=0; i<lg->key.count; i++) {
a = (const_a ? lg->opacity.vals[0] : lg->opacity.vals[i]);
cols[i] = GF_COL_ARGB_FIXED(a, lg->keyValue.vals[i].red, lg->keyValue.vals[i].green, lg->keyValue.vals[i].blue);
if (a != FIX_ONE) txh->transparent = 1;
}
txh->compositor->r2d->stencil_set_gradient_interpolation(txh->hwtx, lg->key.vals, cols, lg->key.count);
free(cols);
txh->compositor->r2d->stencil_set_gradient_mode(txh->hwtx, (GF_GradientMode) lg->spreadMethod);
}
static void PointSet2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
GF_Path *path;
Fixed alpha, w, h;
u32 i;
SFColor col;
DrawableContext *ctx = tr_state->ctx;
M_PointSet2D *ps2D = (M_PointSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ps2D->coord;
M_Color *color = (M_Color *) ps2D->color;
/*never outline PS2D*/
ctx->flags |= CTX_PATH_STROKE;
if (!color || color->color.count<coord->point.count) {
/*no texturing*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
get_point_size(&ctx->transform, &w, &h);
path = gf_path_new();
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
for (i = 0; i < coord->point.count; i++) {
col = color->color.vals[i];
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
gf_path_add_rect_center(path, coord->point.vals[i].x, coord->point.vals[i].y, w, h);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
gf_path_reset(path);
ctx->flags &= ~CTX_PATH_FILLED;
}
gf_path_del(path);
}
static void b2D_new_status(Background2DStack *bck, M_Background2D*back)
{
BackgroundStatus *status;
GF_SAFEALLOC(status, BackgroundStatus);
gf_mx2d_init(status->ctx.transform);
status->ctx.drawable = bck->drawable;
status->ctx.flags = CTX_IS_BACKGROUND;
status->ctx.bi = &status->bi;
status->ctx.aspect.fill_color = GF_COL_ARGB_FIXED(FIX_ONE, back->backColor.red, back->backColor.green, back->backColor.blue);
status->ctx.aspect.fill_texture = &bck->txh;
gf_list_add(bck->status_stack, status);
}
static void RG_ComputeMatrix(GF_TextureHandler *txh, GF_Rect *bounds, GF_Matrix2D *mat)
{
SFVec2f center, focal;
u32 i, *cols;
Fixed a;
Bool const_a;
M_RadialGradient *rg = (M_RadialGradient *) txh->owner;
if (rg->key.count<2) return;
if (rg->key.count != rg->keyValue.count) return;
/*create gradient brush if needed*/
if (!txh->hwtx) return;
GradientGetMatrix((GF_Node *) rg->transform, mat);
center = rg->center;
focal = rg->focalPoint;
/*move circle to object space*/
center.x = gf_mulfix(center.x, bounds->width);
center.y = gf_mulfix(center.y, bounds->height);
focal.x = gf_mulfix(focal.x, bounds->width);
focal.y = gf_mulfix(focal.y, bounds->height);
/*move transform to object space*/
mat->m[2] = gf_mulfix(mat->m[2], bounds->width);
mat->m[5] = gf_mulfix(mat->m[5], bounds->height);
mat->m[1] = gf_muldiv(mat->m[1], bounds->width, bounds->height);
mat->m[3] = gf_muldiv(mat->m[3], bounds->height, bounds->width);
txh->compositor->r2d->stencil_set_radial_gradient(txh->hwtx, center.x, center.y, focal.x, focal.y, gf_mulfix(rg->radius, bounds->width), gf_mulfix(rg->radius, bounds->height));
const_a = (rg->opacity.count == 1) ? 1 : 0;
cols = (u32*)malloc(sizeof(u32) * rg->key.count);
for (i=0; i<rg->key.count; i++) {
a = (const_a ? rg->opacity.vals[0] : rg->opacity.vals[i]);
cols[i] = GF_COL_ARGB_FIXED(a, rg->keyValue.vals[i].red, rg->keyValue.vals[i].green, rg->keyValue.vals[i].blue);
}
txh->compositor->r2d->stencil_set_gradient_interpolation(txh->hwtx, rg->key.vals, cols, rg->key.count);
free(cols);
txh->compositor->r2d->stencil_set_gradient_mode(txh->hwtx, (GF_GradientMode) rg->spreadMethod);
gf_mx2d_add_translation(mat, bounds->x, bounds->y - bounds->height);
}
/* Node specific rendering functions
All the nodes follow the same principles:
* Check if the display property is not set to none, otherwise do not render
* Back-up of the coordinate system & apply geometric transformation if any
* Render the children if any or the shape if leaf node
* Restore coordinate system
*/
static void svg_sani_render_svg(GF_Node *node, void *rs, Bool is_destroy)
{
u32 viewport_color;
GF_Matrix2D backup_matrix;
GF_IRect top_clip;
Bool is_root_svg = 1;
SVG_SANI_svgElement *svg = (SVG_SANI_svgElement *)node;
RenderEffect2D *eff = (RenderEffect2D *) rs;
if (is_destroy) return;
/*enable or disable navigation*/
eff->surface->render->navigation_disabled = (svg->zoomAndPan == SVG_ZOOMANDPAN_DISABLE) ? 1 : 0;
svg_sani_render_base(node, eff);
if (svg->display == SVG_DISPLAY_NONE) return;
top_clip = eff->surface->top_clipper;
gf_mx2d_copy(backup_matrix, eff->transform);
gf_mx2d_init(eff->vb_transform);
gf_svg_sani_set_viewport_transformation(eff, svg, is_root_svg);
gf_mx2d_pre_multiply(&eff->transform, &eff->vb_transform);
if (!is_root_svg && (svg->x.value || svg->y.value))
gf_mx2d_add_translation(&eff->transform, svg->x.value, svg->y.value);
/* TODO: FIX ME: this only works for single SVG element in the doc*/
if (is_root_svg && svg->viewport_fill.type != SVG_PAINT_NONE) {
viewport_color = GF_COL_ARGB_FIXED(svg->viewport_fill_opacity.value, svg->viewport_fill.color.red, svg->viewport_fill.color.green, svg->viewport_fill.color.blue);
if (eff->surface->render->compositor->back_color != viewport_color) {
eff->invalidate_all = 1;
eff->surface->render->compositor->back_color = viewport_color;
}
}
if (eff->traversing_mode == TRAVERSE_GET_BOUNDS) {
svg_get_nodes_bounds(node, svg->children, eff);
} else {
svg_render_node_list(svg->children, eff);
}
gf_svg_sani_restore_parent_transformation(eff, &backup_matrix);
eff->surface->top_clipper = top_clip;
}
static void svg_sani_UpdateGradient(SVG_SANI_GradientStack *st, GF_ChildNodeItem *children)
{
u32 count;
Fixed alpha, max_offset;
if (!gf_node_dirty_get(st->txh.owner)) return;
gf_node_dirty_clear(st->txh.owner, 0);
st->txh.needs_refresh = 1;
st->txh.transparent = 0;
count = gf_node_list_get_count(children);
st->nb_col = 0;
st->cols = (u32*)realloc(st->cols, sizeof(u32)*count);
st->keys = (Fixed*)realloc(st->keys, sizeof(Fixed)*count);
max_offset = 0;
while (children) {
Fixed key;
SVG_SANI_stopElement *gstop = (SVG_SANI_stopElement *) children->node;
children = children->next;
if (gf_node_get_tag((GF_Node *)gstop) != TAG_SVG_SANI_stop) continue;
if (gstop->stop_opacity.type==SVG_NUMBER_VALUE) alpha = gstop->stop_opacity.value;
else alpha = FIX_ONE;
st->cols[st->nb_col] = GF_COL_ARGB_FIXED(alpha, gstop->stop_color.color.red, gstop->stop_color.color.green, gstop->stop_color.color.blue);
key = gstop->offset.value;
if (gstop->offset.value>FIX_ONE) key/=100;
if (key>max_offset) max_offset=key;
else key = max_offset;
st->keys[st->nb_col] = key;
st->nb_col++;
if (alpha!=FIX_ONE) st->txh.transparent = 1;
}
st->txh.compositor->r2d->stencil_set_gradient_interpolation(st->txh.hwtx, st->keys, st->cols, st->nb_col);
st->txh.compositor->r2d->stencil_set_gradient_mode(st->txh.hwtx, /*lg->spreadMethod*/ GF_GRADIENT_MODE_PAD);
}
static void TraverseBackground2D(GF_Node *node, void *rs, Bool is_destroy)
{
u32 col;
BackgroundStatus *status;
M_Background2D *bck;
Background2DStack *stack = (Background2DStack *) gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
DestroyBackground2D(node);
return;
}
bck = (M_Background2D *)node;
/*special case for background in Layer2D: the background is seen as a regular drawable, so
RENDER_BINDABLE is not used*/
switch (tr_state->traversing_mode) {
case TRAVERSE_DRAW_2D:
DrawBackground2D_2D(tr_state->ctx, tr_state);
return;
case TRAVERSE_PICK:
case TRAVERSE_GET_BOUNDS:
return;
}
/*first traverse, bound if needed*/
if (gf_list_find(tr_state->backgrounds, node) < 0) {
M_Background2D *top_bck = (M_Background2D *)node;
gf_list_add(tr_state->backgrounds, node);
assert(gf_list_find(stack->reg_stacks, tr_state->backgrounds)==-1);
gf_list_add(stack->reg_stacks, tr_state->backgrounds);
b2D_new_status(stack, bck);
/*only bound if we're on top*/
top_bck = gf_list_get(tr_state->backgrounds, 0);
if (!bck->isBound) {
if (top_bck== bck) {
Bindable_SetIsBound(node, 1);
} else if (!top_bck->isBound) {
bck->set_bind = 1;
bck->on_set_bind(node, NULL);
}
}
/*open the stream if any*/
if (back_use_texture(bck) && !stack->txh.is_open) gf_sc_texture_play(&stack->txh, &bck->url);
/*in any case don't draw the first time (since the background could have been declared last)*/
gf_sc_invalidate(stack->txh.compositor, NULL);
return;
}
if (!bck->isBound) return;
status = b2d_get_status(stack, tr_state->backgrounds);
if (!status) return;
if (gf_node_dirty_get(node)) {
stack->flags |= CTX_APP_DIRTY;
gf_node_dirty_clear(node, 0);
col = GF_COL_ARGB_FIXED(FIX_ONE, bck->backColor.red, bck->backColor.green, bck->backColor.blue);
if (col != status->ctx.aspect.fill_color) {
status->ctx.aspect.fill_color = col;
stack->flags |= CTX_APP_DIRTY;
}
}
if (back_use_texture(bck) ) {
if (stack->txh.tx_io && !(status->ctx.flags & CTX_APP_DIRTY) && stack->txh.needs_refresh)
stack->flags |= CTX_TEXTURE_DIRTY;
}
status->ctx.flags = stack->flags;
if (tr_state->traversing_mode != TRAVERSE_BINDABLE) return;
/*3D mode*/
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
DrawBackground2D_3D(bck, stack, tr_state);
} else
#endif
DrawBackground2D_2D(&status->ctx, tr_state);
}
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);
}
static void ILS2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
GF_Path *path;
SFVec2f *pts;
SFColor col;
Fixed alpha;
u32 i, count, col_ind, ind, end_at;
u32 linear[2], *colors;
SFVec2f start, end;
u32 j, num_col;
GF_STENCIL grad;
GF_Raster2D *raster;
DrawableContext *ctx = tr_state->ctx;
M_IndexedLineSet2D *ils2D = (M_IndexedLineSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ils2D->coord;
M_Color *color = (M_Color *) ils2D->color;
end.x = end.y = 0;
if (!coord->point.count) return;
if (! ils2D->color) {
/*no texturing*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
pts = coord->point.vals;
if (!ils2D->colorPerVertex || (color->color.count<2) ) {
count = 0;
end_at = ils2D->coordIndex.count;
if (!end_at) end_at = coord->point.count;
ind = ils2D->coordIndex.count ? ils2D->coordIndex.vals[0] : 0;
i=1;
path = gf_path_new();
gf_path_add_move_to(path, pts[ind].x, pts[ind].y);
for (; i<=end_at; i++) {
if ((i==end_at) || (ils2D->coordIndex.count && ils2D->coordIndex.vals[i] == -1)) {
/*draw current*/
col_ind = (ils2D->colorIndex.count && (ils2D->colorIndex.vals[count]>=0) ) ? (u32) ils2D->colorIndex.vals[count] : count;
if (col_ind>=color->color.count) col_ind=color->color.count-1;
col = color->color.vals[col_ind];
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
i++;
if (i>=end_at) break;
gf_path_reset(path);
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0)) ? (u32) ils2D->coordIndex.vals[i] : i;
gf_path_add_move_to(path, pts[ind].x, pts[ind].y);
if (ils2D->coordIndex.count) count++;
continue;
} else {
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0) ) ? (u32) ils2D->coordIndex.vals[i] : i;
gf_path_add_line_to(path, pts[ind].x, pts[ind].y);
}
}
gf_path_del(path);
return;
}
raster = NULL;
end_at = ils2D->coordIndex.count;
if (!end_at) end_at = coord->point.count;
count = 0;
col_ind = 0;
ind = 0;
i=0;
path = gf_path_new();
while (1) {
gf_path_reset(path);
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0)) ? (u32) ils2D->coordIndex.vals[i] : i;
start = pts[ind];
num_col = 1;
i++;
gf_path_add_move_to(path, start.x, start.y);
if (ils2D->coordIndex.count) {
while (ils2D->coordIndex.vals[i] != -1) {
end = pts[ils2D->coordIndex.vals[i]];
gf_path_add_line_to(path, end.x, end.y);
i++;
num_col++;
if (i >= ils2D->coordIndex.count) break;
}
} else {
while (i<end_at) {
end = pts[i];
gf_path_add_line_to(path, end.x, end.y);
i++;
num_col++;
}
}
raster = tr_state->visual->compositor->rasterizer;
/*use linear gradient*/
if (num_col==2) {
Fixed pos[2];
grad = raster->stencil_new(raster, GF_STENCIL_LINEAR_GRADIENT);
if (ils2D->colorIndex.count) {
col = color->color.vals[ils2D->colorIndex.vals[col_ind]];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[ils2D->colorIndex.vals[col_ind+1]];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else if (ils2D->coordIndex.count) {
col = color->color.vals[ils2D->coordIndex.vals[col_ind]];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[ils2D->coordIndex.vals[col_ind+1]];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
col = color->color.vals[col_ind];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[col_ind+1];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
pos[0] = 0;
pos[1] = FIX_ONE;
raster->stencil_set_linear_gradient(grad, start.x, start.y, end.x, end.y);
raster->stencil_set_gradient_interpolation(grad, pos, linear, 2);
} else {
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
if (grad) {
raster->stencil_set_vertex_path(grad, path);
colors = (u32*)gf_malloc(sizeof(u32) * num_col);
for (j=0; j<num_col; j++) {
if (ils2D->colorIndex.count>0) {
col = color->color.vals[ils2D->colorIndex.vals[col_ind+j]];
} else if (ils2D->coordIndex.count) {
col = color->color.vals[ils2D->coordIndex.vals[col_ind+j]];
} else {
col = color->color.vals[col_ind+j];
}
colors[j] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
raster->stencil_set_vertex_colors(grad, colors, num_col);
gf_free(colors);
}
}
raster->stencil_set_matrix(grad, &ctx->transform);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, grad, tr_state);
if (grad) raster->stencil_delete(grad);
i ++;
col_ind += num_col + 1;
if (i >= ils2D->coordIndex.count) break;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
}
static void svg_traverse_svg(GF_Node *node, void *rs, Bool is_destroy)
{
Bool rootmost_svg, send_resize;
u32 viewport_color;
SVGsvgStack *stack;
GF_Matrix2D backup_matrix, vb_bck;
#ifndef GPAC_DISABLE_3D
GF_Matrix bck_mx;
#endif
Bool is_dirty;
GF_IRect top_clip;
SFVec2f prev_vp;
SVGPropertiesPointers backup_props, *prev_props;
u32 backup_flags;
Bool invalidate_flag;
u32 styling_size = sizeof(SVGPropertiesPointers);
GF_TraverseState *tr_state = (GF_TraverseState *) rs;
SVGAllAttributes all_atts;
stack = gf_node_get_private(node);
if (is_destroy) {
if (stack->svg_props) {
gf_svg_properties_reset_pointers(stack->svg_props);
gf_free(stack->svg_props);
}
gf_sc_check_focus_upon_destroy(node);
if (stack->vp_fill) drawable_del(stack->vp_fill);
gf_free(stack);
return;
}
prev_props = tr_state->svg_props;
/*SVG props not set: we are either the root-most <svg> of the compositor
or an <svg> inside an <animation>*/
if (!tr_state->svg_props) {
tr_state->svg_props = stack->svg_props;
if (!tr_state->svg_props) return;
}
gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags)) {
tr_state->svg_props = prev_props;
return;
}
/*enable or disable navigation*/
tr_state->visual->compositor->navigation_disabled = (all_atts.zoomAndPan && *all_atts.zoomAndPan == SVG_ZOOMANDPAN_DISABLE) ? 1 : 0;
if (compositor_svg_is_display_off(tr_state->svg_props)) {
memcpy(tr_state->svg_props, &backup_props, styling_size);
tr_state->svg_flags = backup_flags;
return;
}
top_clip = tr_state->visual->top_clipper;
gf_mx2d_copy(backup_matrix, tr_state->transform);
gf_mx2d_copy(vb_bck, tr_state->vb_transform);
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) gf_mx_copy(bck_mx, tr_state->model_matrix);
#endif
invalidate_flag = tr_state->invalidate_all;
is_dirty = gf_node_dirty_get(node);
if (is_dirty & GF_SG_CHILD_DIRTY) drawable_reset_group_highlight(tr_state, node);
gf_node_dirty_clear(node, 0);
send_resize = 0;
if ((stack->parent_vp.x != tr_state->vp_size.x) || (stack->parent_vp.y != tr_state->vp_size.y)) {
is_dirty = 1;
send_resize = 1;
}
if (is_dirty || tr_state->visual->compositor->recompute_ar) {
svg_recompute_viewport_transformation(node, stack, tr_state, &all_atts);
}
gf_mx2d_copy(tr_state->vb_transform, stack->viewbox_mx);
rootmost_svg = (stack->root_svg && !tr_state->parent_anim_atts) ? 1 : 0;
if (tr_state->traversing_mode == TRAVERSE_SORT) {
SVG_Paint *vp_fill = NULL;
Fixed vp_opacity;
if (tr_state->parent_anim_atts) {
vp_fill = tr_state->parent_anim_atts->viewport_fill;
vp_opacity = tr_state->parent_anim_atts->viewport_fill_opacity ? tr_state->parent_anim_atts->viewport_fill_opacity->value : FIX_ONE;
} else {
vp_fill = tr_state->svg_props->viewport_fill;
vp_opacity = tr_state->svg_props->viewport_fill_opacity ? tr_state->svg_props->viewport_fill_opacity->value : FIX_ONE;
}
if (vp_fill && (vp_fill->type != SVG_PAINT_NONE) && vp_opacity) {
Bool col_dirty = 0;
viewport_color = GF_COL_ARGB_FIXED(vp_opacity, vp_fill->color.red, vp_fill->color.green, vp_fill->color.blue);
if (stack->prev_color != viewport_color) {
stack->prev_color = viewport_color;
col_dirty = 1;
}
if (!rootmost_svg) {
DrawableContext *ctx;
Fixed width = tr_state->parent_anim_atts->width->value;
Fixed height = tr_state->parent_anim_atts->height->value;
if (!stack->vp_fill) {
stack->vp_fill = drawable_new();
stack->vp_fill->node = node;
}
if ((width != stack->vp_fill->path->bbox.width) || (height != stack->vp_fill->path->bbox.height)) {
drawable_reset_path(stack->vp_fill);
gf_path_add_rect(stack->vp_fill->path, 0, 0, width, -height);
}
ctx = drawable_init_context_svg(stack->vp_fill, tr_state);
if (ctx) {
ctx->flags &= ~CTX_IS_TRANSPARENT;
ctx->aspect.pen_props.width = 0;
ctx->aspect.fill_color = viewport_color;
ctx->aspect.fill_texture = NULL;
if (col_dirty) ctx->flags |= CTX_APP_DIRTY;
drawable_finalize_sort(ctx, tr_state, NULL);
}
} else if (col_dirty) {
tr_state->visual->compositor->back_color = viewport_color;
/*invalidate the entire visual*/
tr_state->invalidate_all = 1;
}
}
}
if (!stack->root_svg && (all_atts.x || all_atts.y))
gf_mx2d_add_translation(&tr_state->vb_transform, all_atts.x->value, all_atts.y->value);
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
if (tr_state->traversing_mode==TRAVERSE_SORT) {
GF_Matrix tmp;
visual_3d_matrix_push(tr_state->visual);
gf_mx_from_mx2d(&tmp, &tr_state->vb_transform);
visual_3d_matrix_add(tr_state->visual, tmp.m);
} else {
gf_mx_add_matrix_2d(&tr_state->model_matrix, &tr_state->vb_transform);
}
} else
#endif
{
gf_mx2d_pre_multiply(&tr_state->transform, &tr_state->vb_transform);
}
/*store VP and move it to current VP (eg, the one used to compute the vb_transform)*/
prev_vp = tr_state->vp_size;
tr_state->vp_size = stack->vp;
/*the event may trigger scripts which may delete nodes / modify the scene. We therefore send the resize event
before traversing the scene*/
if (send_resize) {
GF_DOM_Event evt;
memset(&evt, 0, sizeof(GF_DOM_Event));
evt.bubbles = 1;
evt.type = GF_EVENT_RESIZE;
gf_dom_event_fire(node, &evt);
}
if ((stack->vp.x != prev_vp.x) || (stack->vp.y != prev_vp.y)) {
GF_Scene *scene = node->sgprivate->scenegraph->userpriv;
if (scene) {
GF_DOM_Event evt;
memset(&evt, 0, sizeof(GF_DOM_Event));
evt.bubbles = 0;
evt.screen_rect.width = stack->vpw;
evt.screen_rect.height = stack->vph;
evt.screen_rect.x = stack->dx;
evt.screen_rect.y = stack->dy;
evt.prev_translate.x = stack->vp.x;
evt.prev_translate.y = stack->vp.y;
evt.type = GF_EVENT_VP_RESIZE;
gf_scene_notify_event(scene, 0, NULL, &evt, GF_OK);
}
}
if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) {
gf_sc_get_nodes_bounds(node, ((SVG_Element *)node)->children, tr_state, NULL);
} else {
compositor_svg_traverse_children(((SVG_Element *)node)->children, tr_state);
}
tr_state->vp_size = prev_vp;
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
if (tr_state->traversing_mode==TRAVERSE_SORT) visual_3d_matrix_pop(tr_state->visual);
gf_mx_copy(tr_state->model_matrix, bck_mx);
}
#endif
gf_mx2d_copy(tr_state->transform, backup_matrix);
gf_mx2d_copy(tr_state->vb_transform, vb_bck);
memcpy(tr_state->svg_props, &backup_props, styling_size);
tr_state->svg_flags = backup_flags;
tr_state->visual->top_clipper = top_clip;
if (!stack->root_svg) {
tr_state->invalidate_all = invalidate_flag;
}
tr_state->svg_props = prev_props;
}
static void IFS2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
u32 i, count, ci_count;
u32 j, ind_col, num_col;
SFVec2f center, end;
SFColor col_cen;
GF_STENCIL grad;
u32 *colors;
GF_Path *path;
SFVec2f start;
SFVec2f *pts;
SFColor col;
Fixed alpha;
GF_Raster2D *raster;
DrawableContext *ctx = tr_state->ctx;
M_IndexedFaceSet2D *ifs2D = (M_IndexedFaceSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ifs2D->coord;
M_Color *color = (M_Color *) ifs2D->color;
col.red = col.green = col.blue = 0;
/*simple case, no color specified*/
if (!ifs2D->color) {
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);
return;
}
/*if default face use first color*/
ci_count = ifs2D->coordIndex.count;
pts = coord->point.vals;
if (ci_count == 0) {
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[0]] : color->color.vals[0];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha || !ctx->aspect.pen_props.width) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
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);
return;
}
/*we have color per faces so we need N path :(*/
if (! ifs2D->colorPerVertex) {
path = gf_path_new();
count = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_move_to(path, start.x, start.y);
i++;
while (ifs2D->coordIndex.vals[i] != -1) {
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, start.x, start.y);
i++;
if (i >= ci_count) break;
}
/*close in ALL cases because even if the start/end points are the same the line join needs to be present*/
gf_path_close(path);
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[count]] : color->color.vals[count];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
visual_2d_texture_path(tr_state->visual, path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
count++;
i++;
if (i >= ci_count) break;
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
return;
}
/*final case, color per vertex means gradient fill/strike*/
raster = tr_state->visual->compositor->rasterizer;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
/*not supported, fill default*/
if (!grad) {
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);
return;
}
path = gf_path_new();
ind_col = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
center = start;
gf_path_add_move_to(path, start.x, start.y);
num_col = 1;
i+=1;
while (ifs2D->coordIndex.vals[i] != -1) {
end = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, end.x, end.y);
i++;
center.x += end.x;
center.y += end.y;
num_col ++;
if (i >= ci_count) break;
}
gf_path_close(path);
num_col++;
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color) ) / 255;
colors = (u32*)gf_malloc(sizeof(u32) * num_col);
col_cen.blue = col_cen.red = col_cen.green = 0;
for (j=0; j<num_col-1; j++) {
if (ifs2D->colorIndex.count > ind_col + j) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col + j]];
} else if (ci_count > ind_col + j) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col + j]];
}
colors[j] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
}
colors[num_col-1] = colors[0];
if (ifs2D->colorIndex.count > ind_col) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col]];
} else if (ci_count > ind_col) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col]];
}
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
raster->stencil_set_vertex_path(grad, path);
raster->stencil_set_vertex_colors(grad, colors, num_col);
gf_free(colors);
col_cen.blue /= num_col;
col_cen.green /= num_col;
col_cen.red /= num_col;
center.x /= num_col;
center.y /= num_col;
raster->stencil_set_vertex_center(grad, center.x, center.y, GF_COL_ARGB_FIXED(alpha, col_cen.red, col_cen.green, col_cen.blue) );
raster->stencil_set_matrix(grad, &ctx->transform);
/*draw*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, grad, grad, tr_state);
raster->stencil_delete(grad);
//goto next point
i++;
ind_col += num_col + 1;
if (i >= ci_count) break;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
}