static void TraverseTransform2D(GF_Node *node, void *rs, Bool is_destroy)
{
M_Transform2D *tr = (M_Transform2D *)node;
Transform2DStack *ptr = (Transform2DStack *)gf_node_get_private(node);
GF_TraverseState *tr_state;
if (is_destroy) {
gf_sc_check_focus_upon_destroy(node);
group_2d_destroy(node, (GroupingNode2D*)ptr);
gf_free(ptr);
return;
}
tr_state = (GF_TraverseState *) rs;
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
gf_mx2d_init(ptr->mat);
ptr->is_identity = 1;
if ((tr->scale.x != FIX_ONE) || (tr->scale.y != FIX_ONE)) {
gf_mx2d_add_scale_at(&ptr->mat, tr->scale.x, tr->scale.y, 0, 0, tr->scaleOrientation);
ptr->is_identity = 0;
}
if (tr->rotationAngle) {
gf_mx2d_add_rotation(&ptr->mat, tr->center.x, tr->center.y, tr->rotationAngle);
ptr->is_identity = 0;
}
if (tr->translation.x || tr->translation.y) {
ptr->is_identity = 0;
gf_mx2d_add_translation(&ptr->mat, tr->translation.x, tr->translation.y);
}
gf_node_dirty_clear(node, GF_SG_NODE_DIRTY);
ptr->is_null = (!tr->scale.x || !tr->scale.y) ? 1 : 0;
}
traverse_transform(node, ptr, tr_state);
}
GF_Node *CT2D_PickNode(GF_TextureHandler *txh, DrawableContext *ctx, Fixed x, Fixed y)
{
GF_Rect orig;
GF_Matrix2D mat, tx_trans;
Fixed width, height;
Composite2DStack *st = (Composite2DStack *) gf_node_get_private(txh->owner);
assert(st->surf);
orig = ctx->bi->unclip;
gf_mx2d_copy(mat, ctx->transform);
gf_mx2d_inverse(&mat);
gf_mx2d_apply_rect(&mat, &orig);
gf_mx2d_init(mat);
gf_mx2d_add_scale(&mat, orig.width / st->width, orig.height / st->height);
get_gf_sr_texture_transform(ctx->appear, &st->txh, &tx_trans, (ctx->h_texture==&st->txh) ? 0 : 1, INT2FIX(orig.width), INT2FIX(orig.height));
gf_mx2d_add_matrix(&mat, &tx_trans);
gf_mx2d_add_translation(&mat, (orig.x), (orig.y - orig.height));
gf_mx2d_add_matrix(&mat, &ctx->transform);
gf_mx2d_inverse(&mat);
gf_mx2d_apply_coords(&mat, &x, &y);
width = INT2FIX(st->width);
height = INT2FIX(st->height);
while (x>width) x -= width;
while (x < 0) x += width;
while (y>height) y -= height;
while (y < 0) y += height;
x -= width / 2;
y -= height / 2;
return VS2D_PickNode(st->surf, x, y);
}
void VS2D_TexturePathText(VisualSurface2D *surf, DrawableContext *txt_ctx, GF_Path *path, GF_Rect *object_bounds, GF_HWTEXTURE hwtx, GF_Rect *gf_sr_texture_bounds)
{
Fixed sS, sT;
GF_Matrix2D gf_mx2d_txt;
GF_Rect rc, orig_rc;
u8 alpha, r, g, b;
GF_ColorMatrix cmat;
GF_Raster2D *r2d = surf->render->compositor->r2d;
VS2D_SetOptions(surf->render, surf->the_surface, 0, 1);
/*get original bounds*/
orig_rc = *object_bounds;
rc = *gf_sr_texture_bounds;
/*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/
sS = gf_divfix(orig_rc.width, rc.width);
sT = gf_divfix(orig_rc.height, rc.height);
gf_mx2d_init(gf_mx2d_txt);
gf_mx2d_add_scale(&gf_mx2d_txt, sS, sT);
/*move to bottom-left corner of bounds */
gf_mx2d_add_translation(&gf_mx2d_txt, (orig_rc.x), (orig_rc.y - orig_rc.height));
/*move to final coordinate system*/
gf_mx2d_add_matrix(&gf_mx2d_txt, &txt_ctx->transform);
/*set path transform, except for background2D node which is directly build in the final coord system*/
r2d->stencil_set_matrix(hwtx, &gf_mx2d_txt);
alpha = GF_COL_A(txt_ctx->aspect.fill_color);
r = GF_COL_R(txt_ctx->aspect.fill_color);
g = GF_COL_G(txt_ctx->aspect.fill_color);
b = GF_COL_B(txt_ctx->aspect.fill_color);
/*if col do a cxmatrix*/
if (!r && !g && !b) {
r2d->stencil_set_texture_alpha(hwtx, alpha);
} else {
r2d->stencil_set_texture_alpha(hwtx, 0xFF);
memset(cmat.m, 0, sizeof(Fixed) * 20);
cmat.m[4] = INT2FIX(r)/255;
cmat.m[9] = INT2FIX(g)/255;
cmat.m[14] = INT2FIX(b)/255;
cmat.m[18] = INT2FIX(alpha)/255;
cmat.identity = 0;
r2d->stencil_set_color_matrix(hwtx, &cmat);
}
r2d->surface_set_matrix(surf->the_surface, &txt_ctx->transform);
/*push path*/
r2d->surface_set_path(surf->the_surface, path);
VS2D_DoFill(surf, txt_ctx, hwtx);
r2d->surface_set_path(surf->the_surface, NULL);
txt_ctx->flags |= CTX_PATH_FILLED;
}
void R2D_InitTransformMatrix2D(Render2D *sr, GF_Node *node)
{
Transform2DStack *stack = (Transform2DStack *)malloc(sizeof(Transform2DStack));
SetupGroupingNode2D((GroupingNode2D *)stack, sr, node);
gf_mx2d_init(stack->mat);
gf_node_set_private(node, stack);
gf_node_set_callback_function(node, RenderTransformMatrix2D);
}
static void get_surface_world_matrix(EVGSurface *_this, GF_Matrix2D *mat)
{
gf_mx2d_init(*mat);
if (_this->center_coords) {
gf_mx2d_add_scale(mat, FIX_ONE, -FIX_ONE);
gf_mx2d_add_translation(mat, INT2FIX(_this->width / 2), INT2FIX(_this->height / 2));
}
}
void compositor_init_transformmatrix2d(GF_Compositor *compositor, GF_Node *node)
{
Transform2DStack *stack;
GF_SAFEALLOC(stack, Transform2DStack);
gf_mx2d_init(stack->mat);
gf_node_set_private(node, stack);
gf_node_set_callback_function(node, TraverseTransformMatrix2D);
}
void tr_mx2d_get_matrix(GF_Node *n, GF_Matrix2D *mat)
{
M_TransformMatrix2D *tr = (M_TransformMatrix2D*)n;
gf_mx2d_init(*mat);
mat->m[0] = tr->mxx;
mat->m[1] = tr->mxy;
mat->m[2] = tr->tx;
mat->m[3] = tr->myx;
mat->m[4] = tr->myy;
mat->m[5] = tr->ty;
}
GF_EXPORT
GF_Err gf_path_add_arc_to(GF_Path *gp, Fixed end_x, Fixed end_y, Fixed fa_x, Fixed fa_y, Fixed fb_x, Fixed fb_y, Bool cw)
{
GF_Matrix2D mat, inv;
Fixed angle, start_angle, end_angle, sweep, axis_w, axis_h, tmp, cx, cy, _vx, _vy, start_x, start_y;
s32 i, num_steps;
if (!gp->n_points) return GF_BAD_PARAM;
start_x = gp->points[gp->n_points-1].x;
start_y = gp->points[gp->n_points-1].y;
cx = (fb_x + fa_x)/2;
cy = (fb_y + fa_y)/2;
angle = gf_atan2(fb_y-fa_y, fb_x-fa_x);
gf_mx2d_init(mat);
gf_mx2d_add_rotation(&mat, 0, 0, angle);
gf_mx2d_add_translation(&mat, cx, cy);
gf_mx2d_copy(inv, mat);
gf_mx2d_inverse(&inv);
gf_mx2d_apply_coords(&inv, &start_x, &start_y);
gf_mx2d_apply_coords(&inv, &end_x, &end_y);
gf_mx2d_apply_coords(&inv, &fa_x, &fa_y);
gf_mx2d_apply_coords(&inv, &fb_x, &fb_y);
//start angle and end angle
start_angle = gf_atan2(start_y, start_x);
end_angle = gf_atan2(end_y, end_x);
tmp = gf_mulfix((start_x - fa_x), (start_x - fa_x)) + gf_mulfix((start_y - fa_y), (start_y - fa_y));
axis_w = gf_sqrt(tmp);
tmp = gf_mulfix((start_x - fb_x) , (start_x - fb_x)) + gf_mulfix((start_y - fb_y), (start_y - fb_y));
axis_w += gf_sqrt(tmp);
axis_w /= 2;
axis_h = gf_sqrt(gf_mulfix(axis_w, axis_w) - gf_mulfix(fa_x,fa_x));
sweep = end_angle - start_angle;
if (cw) {
if (sweep>0) sweep -= 2*GF_PI;
} else {
if (sweep<0) sweep += 2*GF_PI;
}
num_steps = GF_2D_DEFAULT_RES/2;
for (i=1; i<=num_steps; i++) {
angle = start_angle + sweep*i/num_steps;
_vx = gf_mulfix(axis_w, gf_cos(angle));
_vy = gf_mulfix(axis_h, gf_sin(angle));
/*re-invert*/
gf_mx2d_apply_coords(&mat, &_vx, &_vy);
gf_path_add_line_to(gp, _vx, _vy);
}
return GF_OK;
}
GF_Err evg_surface_set_matrix(GF_SURFACE _this, GF_Matrix2D *mat)
{
GF_Matrix2D tmp;
EVGSurface *surf = (EVGSurface *)_this;
if (!surf) return GF_BAD_PARAM;
get_surface_world_matrix(surf, &surf->mat);
if (!mat) return GF_OK;
gf_mx2d_init(tmp);
gf_mx2d_add_matrix(&tmp, mat);
gf_mx2d_add_matrix(&tmp, &surf->mat);
gf_mx2d_copy(surf->mat, tmp);
return GF_OK;
}
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);
}
void get_gf_sr_texture_transform(GF_Node *__appear, GF_TextureHandler *txh, GF_Matrix2D *mat, Bool line_texture, Fixed final_width, Fixed final_height)
{
u32 node_tag;
M_Appearance *appear;
GF_Node *txtrans = NULL;
gf_mx2d_init(*mat);
if (!__appear || !txh) return;
appear = (M_Appearance *)__appear;
if (!line_texture) {
if (!appear->textureTransform) return;
txtrans = appear->textureTransform;
} else {
if (gf_node_get_tag(appear->material) != TAG_MPEG4_Material2D) return;
if (gf_node_get_tag(((M_Material2D *)appear->material)->lineProps) != TAG_MPEG4_XLineProperties) return;
txtrans = ((M_XLineProperties *) ((M_Material2D *)appear->material)->lineProps)->textureTransform;
}
if (!txtrans) return;
/*gradient doesn't need bounds info in texture transform*/
if (txh->compute_gradient_matrix) {
final_width = final_height = FIX_ONE;
}
node_tag = gf_node_get_tag(txtrans);
if (node_tag==TAG_MPEG4_TextureTransform) {
/*VRML: Tc' = -C × S × R × C × T × Tc*/
M_TextureTransform *txt = (M_TextureTransform *) txtrans;
SFVec2f scale = txt->scale;
if (!scale.x) scale.x = FIX_ONE/100;
if (!scale.y) scale.y = FIX_ONE/100;
gf_mx2d_add_translation(mat, -txt->center.x * final_width, -txt->center.y * final_height);
gf_mx2d_add_scale(mat, scale.x, scale.y);
gf_mx2d_add_rotation(mat, 0, 0, txt->rotation);
gf_mx2d_add_translation(mat, txt->center.x * final_width, txt->center.y * final_height);
gf_mx2d_add_translation(mat, txt->translation.x * final_width, txt->translation.y * final_height);
/*and inverse the matrix (this is texture transform, cf VRML)*/
gf_mx2d_inverse(mat);
return;
}
if (node_tag==TAG_MPEG4_TransformMatrix2D) {
TM2D_GetMatrix((GF_Node *) txtrans, mat);
mat->m[2] *= final_width;
mat->m[5] *= final_height;
gf_mx2d_inverse(mat);
return;
}
}
void compositor_init_svg_svg(GF_Compositor *compositor, GF_Node *node)
{
GF_Node *root;
SVGsvgStack *stack;
GF_SAFEALLOC(stack, SVGsvgStack);
root = gf_sg_get_root_node(gf_node_get_graph(node));
stack->root_svg = (root==node) ? 1 : 0;
if (stack->root_svg) {
GF_SAFEALLOC(stack->svg_props, SVGPropertiesPointers);
gf_svg_properties_init_pointers(stack->svg_props);
}
gf_mx2d_init(stack->viewbox_mx);
gf_node_set_private(node, stack);
gf_node_set_callback_function(node, svg_traverse_svg);
}
/* 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 RenderTransform2D(GF_Node *node, void *rs, Bool is_destroy)
{
GF_Matrix2D bckup;
M_Transform2D *tr = (M_Transform2D *)node;
Transform2DStack *ptr = (Transform2DStack *)gf_node_get_private(node);
RenderEffect2D *eff;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)ptr);
free(ptr);
return;
}
eff = (RenderEffect2D *) rs;
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
gf_mx2d_init(ptr->mat);
ptr->is_identity = 1;
if ((tr->scale.x != FIX_ONE) || (tr->scale.y != FIX_ONE)) {
gf_mx2d_add_scale_at(&ptr->mat, tr->scale.x, tr->scale.y, 0, 0, tr->scaleOrientation);
ptr->is_identity = 0;
}
if (tr->rotationAngle) {
gf_mx2d_add_rotation(&ptr->mat, tr->center.x, tr->center.y, tr->rotationAngle);
ptr->is_identity = 0;
}
if (tr->translation.x || tr->translation.y) {
ptr->is_identity = 0;
gf_mx2d_add_translation(&ptr->mat, tr->translation.x, tr->translation.y);
}
}
/*note we don't clear dirty flag, this is done in traversing*/
if (ptr->is_identity) {
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
} else {
gf_mx2d_copy(bckup, eff->transform);
gf_mx2d_copy(eff->transform, ptr->mat);
gf_mx2d_add_matrix(&eff->transform, &bckup);
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
gf_mx2d_copy(eff->transform, bckup);
}
}
static void GradientGetMatrix(GF_Node *transform, GF_Matrix2D *mat)
{
gf_mx2d_init(*mat);
if (transform) {
switch (gf_node_get_tag(transform) ) {
case TAG_MPEG4_Transform2D:
{
M_Transform2D *tr = (M_Transform2D *)transform;
gf_mx2d_add_scale_at(mat, 0, 0, tr->scale.x, tr->scale.y, tr->scaleOrientation);
gf_mx2d_add_rotation(mat, tr->center.x, tr->center.y, tr->rotationAngle);
gf_mx2d_add_translation(mat, tr->translation.x, tr->translation.y);
}
break;
case TAG_MPEG4_TransformMatrix2D:
TM2D_GetMatrix(transform, mat);
break;
default:
break;
}
}
}
void r2d_render_svg_sani_use(GF_Node *node, GF_Node *sub_root, void *rs)
{
GF_Matrix2D backup_matrix;
GF_Matrix2D translate;
GF_Node *prev_use;
SVG_SANI_useElement *use = (SVG_SANI_useElement *)node;
RenderEffect2D *eff = (RenderEffect2D *)rs;
svg_sani_render_base(node, eff);
gf_mx2d_init(translate);
translate.m[2] = use->x.value;
translate.m[5] = use->y.value;
if (eff->traversing_mode == TRAVERSE_GET_BOUNDS) {
gf_svg_sani_apply_local_transformation(eff, node, &backup_matrix);
if (use->display != SVG_DISPLAY_NONE) {
gf_node_render((GF_Node*)use->xlink->href.target, eff);
gf_mx2d_apply_rect(&translate, &eff->bounds);
}
gf_svg_sani_restore_parent_transformation(eff, &backup_matrix);
return;
}
if (use->display == SVG_DISPLAY_NONE ||
use->visibility == SVG_VISIBILITY_HIDDEN) {
return;
}
gf_svg_sani_apply_local_transformation(eff, node, &backup_matrix);
gf_mx2d_pre_multiply(&eff->transform, &translate);
prev_use = eff->parent_use;
eff->parent_use = use->xlink->href.target;
gf_node_render(use->xlink->href.target, eff);
eff->parent_use = prev_use;
gf_svg_sani_restore_parent_transformation(eff, &backup_matrix);
}
Bool compositor_compositetexture_handle_event(GF_Compositor *compositor, GF_Node *composite_appear, GF_Event *ev, Bool is_flush)
{
GF_Ray ray;
Fixed dist;
Bool had_text_sel=0;
GF_Matrix mx;
GF_TraverseState *tr_state;
GF_ChildNodeItem *children, *l;
Bool res;
SFVec3f txcoord, loc_pt, world_pt;
GF_Matrix l2w_mx, w2l_mx;
CompositeTextureStack *stack;
GF_Node *appear, *prev_appear;
M_Appearance *ap = (M_Appearance *)composite_appear;
assert(ap && ap->texture);
if (ev->type > GF_EVENT_MOUSEMOVE) return 0;
stack = gf_node_get_private(ap->texture);
if (!stack->txh.tx_io) return 0;
tr_state = NULL;
children = NULL;
if (!is_flush) {
txcoord.x = compositor->hit_texcoords.x;
txcoord.y = compositor->hit_texcoords.y;
txcoord.z = 0;
if (gf_sc_texture_get_transform(&stack->txh, ap->textureTransform, &mx, 1)) {
/*tx coords are inverted when mapping, thus applying directly the matrix will give us the
untransformed coords*/
gf_mx_apply_vec(&mx, &txcoord);
while (txcoord.x<0) txcoord.x += FIX_ONE; while (txcoord.x>FIX_ONE) txcoord.x -= FIX_ONE;
while (txcoord.y<0) txcoord.y += FIX_ONE; while (txcoord.y>FIX_ONE) txcoord.y -= FIX_ONE;
}
/*convert to tx space*/
ev->mouse.x = FIX2INT( (txcoord.x - FIX_ONE/2) * stack->visual->width + FIX_ONE/2);
ev->mouse.y = FIX2INT( (txcoord.y - FIX_ONE/2) * stack->visual->height + FIX_ONE/2);
GF_SAFEALLOC(tr_state, GF_TraverseState);
tr_state->vrml_sensors = gf_list_new();
tr_state->visual = stack->visual;
tr_state->traversing_mode = TRAVERSE_PICK;
tr_state->pixel_metrics = gf_sg_use_pixel_metrics(gf_node_get_graph(ap->texture));
tr_state->vp_size.x = INT2FIX(stack->txh.width);
tr_state->vp_size.y = INT2FIX(stack->txh.height);
tr_state->color_mat.identity = 1;
gf_mx2d_init(tr_state->transform);
#ifndef GPAC_DISABLE_3D
gf_mx_init(tr_state->model_matrix);
#endif
/*collect sensors*/
l = children = ((M_CompositeTexture2D*)ap->texture)->children;
while (l) {
GF_SensorHandler *hsens = compositor_mpeg4_get_sensor_handler(l->node);
if (hsens) gf_list_add(tr_state->vrml_sensors, hsens);
l = l->next;
}
}
stack->temp_sensors = compositor->sensors;
stack->temp_previous_sensors = compositor->previous_sensors;
compositor->sensors = stack->sensors;
compositor->previous_sensors = stack->previous_sensors;
ray = compositor->hit_world_ray;
dist = compositor->hit_square_dist;
prev_appear = compositor->prev_hit_appear;
/*protect against destrucion in case of self-destroy*/
if (prev_appear) {
gf_node_register(prev_appear, NULL);
}
compositor->prev_hit_appear = stack->prev_hit_appear;
appear = compositor->hit_appear;
compositor->hit_appear = NULL;
/*also backup current hit state in case we hit a node in the texture but don't consume the event*/
loc_pt = compositor->hit_local_point;
world_pt = compositor->hit_world_point;
gf_mx_copy(l2w_mx, compositor->hit_local_to_world);
gf_mx_copy(w2l_mx, compositor->hit_world_to_local);
if (compositor->text_selection) had_text_sel=1;
if (is_flush) {
res = 0;
gf_list_reset(stack->sensors);
gf_sc_exec_event_vrml(compositor, ev);
} else {
res = visual_execute_event(stack->visual, tr_state, ev, children);
}
if (!had_text_sel && compositor->edited_text) {
stack->visual->has_text_edit = 1;
} else if (!compositor->text_selection) {
stack->visual->has_text_edit = 0;
}
if (!res) {
compositor->hit_local_point = loc_pt;
gf_mx_copy(compositor->hit_local_to_world, l2w_mx);
gf_mx_copy(compositor->hit_world_to_local, w2l_mx);
}
stack->prev_hit_appear = compositor->prev_hit_appear;
if (prev_appear) {
if (prev_appear->sgprivate->num_instances>1) {
compositor->prev_hit_appear = prev_appear;
compositor->hit_appear = appear;
} else {
compositor->prev_hit_appear = NULL;
compositor->hit_appear = NULL;
}
gf_node_unregister(prev_appear, NULL);
} else {
compositor->prev_hit_appear = prev_appear;
compositor->hit_appear = appear;
}
compositor->hit_world_point = world_pt;
compositor->hit_world_ray = ray;
compositor->hit_square_dist = dist;
stack->sensors = compositor->sensors;
stack->previous_sensors = compositor->previous_sensors;
compositor->sensors = stack->temp_sensors;
stack->temp_sensors = NULL;
compositor->previous_sensors = stack->temp_previous_sensors;
stack->temp_previous_sensors = NULL;
if (!is_flush) {
gf_list_del(tr_state->vrml_sensors);
#ifndef GPAC_DISABLE_3D
if (tr_state->layer3d) compositor->traverse_state->layer3d = tr_state->layer3d;
#endif
gf_free(tr_state);
}
return res;
}
static void composite_update(GF_TextureHandler *txh)
{
s32 w, h;
GF_STENCIL stencil;
M_Background2D *back;
GF_TraverseState *tr_state;
Bool invalidate_all;
u32 new_pixel_format;
GF_Compositor *compositor = (GF_Compositor *)txh->compositor;
CompositeTextureStack *st = (CompositeTextureStack *) gf_node_get_private(txh->owner);
GF_Raster2D *raster = st->visual->compositor->rasterizer;
if (st->unsupported) return;
/*
if (compositor->recompute_ar) {
gf_node_dirty_set(txh->owner, 0, 0);
return;
}
*/
if (!compositor->rebuild_offscreen_textures && (!compositor->text_edit_changed || !st->visual->has_text_edit ) && !gf_node_dirty_get(txh->owner)) {
txh->needs_refresh = 0;
return;
}
gf_node_dirty_clear(st->txh.owner, 0);
new_pixel_format = 0;
back = gf_list_get(st->visual->back_stack, 0);
if (back && back->isBound) new_pixel_format = GF_PIXEL_RGB_24;
else new_pixel_format = GF_PIXEL_RGBA;
#ifdef GPAC_USE_TINYGL
/*TinyGL pixel format is fixed at compile time, we cannot override it !*/
if (st->visual->type_3d) new_pixel_format = GF_PIXEL_RGBA;
#else
#ifndef GPAC_DISABLE_3D
/*no alpha support in offscreen rendering*/
if ( (st->visual->type_3d) && !(compositor->video_out->hw_caps & GF_VIDEO_HW_OPENGL_OFFSCREEN_ALPHA))
new_pixel_format = GF_PIXEL_RGB_24;
#endif
/*in OpenGL_ES, only RGBA can be safelly used with glReadPixels*/
#ifdef GPAC_USE_OGL_ES
new_pixel_format = GF_PIXEL_RGBA;
#endif
#endif
/*FIXME - we assume RGB+Depth+bitshape, we should check with the video out module*/
#if defined(GF_SR_USE_DEPTH) && !defined(GPAC_DISABLE_3D)
if (st->visual->type_3d && (compositor->video_out->hw_caps & GF_VIDEO_HW_HAS_DEPTH) ) new_pixel_format = GF_PIXEL_RGBDS;
#endif
#ifndef GPAC_DISABLE_3D
if (st->visual->type_3d>1) {
w = ((M_CompositeTexture3D*)txh->owner)->pixelWidth;
h = ((M_CompositeTexture3D*)txh->owner)->pixelHeight;
} else
#endif
{
w = ((M_CompositeTexture2D*)txh->owner)->pixelWidth;
h = ((M_CompositeTexture2D*)txh->owner)->pixelHeight;
}
/*internal GPAC hacks for testing color spaces*/
if (w<-1) {
w = -w;
if (h<0) {
h = -h;
if (new_pixel_format==GF_PIXEL_RGBA) {
new_pixel_format=GF_PIXEL_ARGB;
} else {
new_pixel_format=GF_PIXEL_BGR_24;
}
} else {
if (new_pixel_format==GF_PIXEL_RGB_24) {
new_pixel_format=GF_PIXEL_RGB_32;
}
}
}
else if (h<-1) {
h = -h;
if (new_pixel_format==GF_PIXEL_RGB_24) {
new_pixel_format=GF_PIXEL_RGB_32;
}
}
if (w<0) w = 0;
if (h<0) h = 0;
if (!w || !h) {
if (txh->tx_io) {
#ifdef GPAC_USE_TINYGL
if (st->tgl_ctx) ostgl_delete_context(st->tgl_ctx);
#endif
gf_sc_texture_release(txh);
if (txh->data) gf_free(txh->data);
txh->data = NULL;
txh->width = txh->height = txh->stride = 0;
}
return;
}
invalidate_all = compositor->rebuild_offscreen_textures;
/*rebuild stencil*/
if (!txh->tx_io
|| (w != (s32) txh->width) || ( h != (s32) txh->height)
|| (new_pixel_format != txh->pixelformat)
) {
Bool needs_stencil = 1;
if (txh->tx_io) {
#ifdef GPAC_USE_TINYGL
if (st->tgl_ctx) ostgl_delete_context(st->tgl_ctx);
#endif
gf_sc_texture_release(txh);
if (txh->data)
gf_free(txh->data);
txh->data = NULL;
}
/*we don't use rect ext because of no support for texture transforms*/
if (1
#ifndef GPAC_DISABLE_3D
|| compositor->gl_caps.npot_texture
#endif
) {
st->txh.width = w;
st->txh.height = h;
st->sx = st->sy = FIX_ONE;
} else {
st->txh.width = 2;
while (st->txh.width<(u32)w) st->txh.width*=2;
st->txh.height = 2;
while (st->txh.height<(u32)h) st->txh.height*=2;
st->sx = INT2FIX(st->txh.width) / w;
st->sy = INT2FIX(st->txh.height) / h;
}
gf_sc_texture_allocate(txh);
txh->pixelformat = new_pixel_format;
switch (new_pixel_format) {
case GF_PIXEL_RGBA:
case GF_PIXEL_ARGB:
txh->stride = txh->width * 4;
txh->transparent = 1;
break;
case GF_PIXEL_RGB_565:
txh->stride = txh->width * 2;
txh->transparent = 0;
break;
case GF_PIXEL_RGBDS:
txh->stride = txh->width * 4;
txh->transparent = 1;
break;
case GF_PIXEL_RGB_24:
txh->stride = txh->width * 3;
txh->transparent = 0;
break;
}
st->visual->width = txh->width;
st->visual->height = txh->height;
stencil = raster->stencil_new(raster, GF_STENCIL_TEXTURE);
/*TODO - add support for compositeTexture3D when root is 2D visual*/
#ifndef GPAC_DISABLE_3D
if (st->visual->type_3d) {
GF_Compositor *compositor = st->visual->compositor;
/*figure out what to do if main visual (eg video out) is not in OpenGL ...*/
if (!compositor->visual->type_3d) {
/*create an offscreen window for OpenGL rendering*/
if ((compositor->offscreen_width < st->txh.width) || (compositor->offscreen_height < st->txh.height)) {
#ifndef GPAC_USE_TINYGL
GF_Err e;
GF_Event evt;
compositor->offscreen_width = MAX(compositor->offscreen_width, st->txh.width);
compositor->offscreen_height = MAX(compositor->offscreen_height, st->txh.height);
evt.type = GF_EVENT_VIDEO_SETUP;
evt.setup.width = compositor->offscreen_width;
evt.setup.height = compositor->offscreen_height;
evt.setup.back_buffer = 0;
evt.setup.opengl_mode = 2;
e = compositor->video_out->ProcessEvent(compositor->video_out, &evt);
if (e) {
gf_sc_texture_release(txh);
st->unsupported = 1;
return;
}
/*reload openGL ext*/
gf_sc_load_opengl_extensions(compositor, 1);
#endif
}
} else {
needs_stencil = 0;
}
}
#endif
if (needs_stencil) {
txh->data = (char*)gf_malloc(sizeof(unsigned char) * txh->stride * txh->height);
memset(txh->data, 0, sizeof(unsigned char) * txh->stride * txh->height);
/*set stencil texture - we don't check error as an image could not be supported by the rasterizer
but still supported by the blitter (case of RGBD/RGBDS)*/
raster->stencil_set_texture(stencil, txh->data, txh->width, txh->height, txh->stride, txh->pixelformat, txh->pixelformat, 0);
#ifdef GPAC_USE_TINYGL
if (st->visual->type_3d && !compositor->visual->type_3d) {
st->tgl_ctx = ostgl_create_context(txh->width, txh->height, txh->transparent ? 32 : 24, &txh->data, 1);
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Creating TinyGL Offscreen context %p (%d %d - pf %s)\n", st->tgl_ctx, txh->width, txh->width, gf_4cc_to_str(txh->pixelformat)));
}
#endif
}
invalidate_all = 1;
gf_sc_texture_set_stencil(txh, stencil);
}
if (!txh->tx_io) return;
stencil = gf_sc_texture_get_stencil(txh);
if (!stencil) return;
#ifdef GPAC_USE_TINYGL
if (st->tgl_ctx) ostgl_make_current(st->tgl_ctx, 0);
#endif
GF_SAFEALLOC(tr_state, GF_TraverseState);
tr_state->vrml_sensors = gf_list_new();
tr_state->visual = st->visual;
tr_state->invalidate_all = invalidate_all;
tr_state->immediate_draw = st->visual->compositor->traverse_state->immediate_draw;
gf_mx2d_init(tr_state->transform);
gf_cmx_init(&tr_state->color_mat);
tr_state->backgrounds = st->visual->back_stack;
tr_state->viewpoints = st->visual->view_stack;
tr_state->pixel_metrics = gf_sg_use_pixel_metrics(gf_node_get_graph(st->txh.owner));
tr_state->min_hsize = INT2FIX( MIN(txh->width, txh->height) ) / 2;
tr_state->vp_size.x = INT2FIX(txh->width);
tr_state->vp_size.y = INT2FIX(txh->height);
composite_do_bindable(st->txh.owner, tr_state, st->first);
st->first = 0;
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Entering draw cycle\n"));
txh->needs_refresh = visual_draw_frame(st->visual, st->txh.owner, tr_state, 0);
txh->transparent = (st->visual->last_had_back==2) ? 0 : 1;
if (!compositor->edited_text && st->visual->has_text_edit)
st->visual->has_text_edit = 0;
/*set active viewport in image coordinates top-left=(0, 0), not in BIFS*/
if (0 && gf_list_count(st->visual->view_stack)) {
M_Viewport *vp = (M_Viewport *)gf_list_get(st->visual->view_stack, 0);
if (vp->isBound) {
SFVec2f size = vp->size;
if (size.x >=0 && size.y>=0) {
/*FIXME - we need tracking of VP changes*/
txh->needs_refresh = 1;
}
}
}
if (txh->needs_refresh) {
#ifndef GPAC_DISABLE_3D
if (st->visual->camera.is_3D) {
if (st->visual->compositor->visual->type_3d) {
#ifndef GPAC_USE_TINYGL
gf_sc_copy_to_texture(&st->txh);
#else
/*in TinyGL we only need to push associated bitmap to the texture*/
gf_sc_texture_push_image(&st->txh, 0, 0);
#endif
} else {
#ifndef GPAC_USE_TINYGL
gf_sc_copy_to_stencil(&st->txh);
#else
if (txh->pixelformat==GF_PIXEL_RGBDS) gf_get_tinygl_depth(&st->txh);
#endif
}
} else
#endif
{
if (raster->stencil_texture_modified) raster->stencil_texture_modified(stencil);
gf_sc_texture_set_stencil(txh, stencil);
}
gf_sc_invalidate(st->txh.compositor, NULL);
}
gf_list_del(tr_state->vrml_sensors);
gf_free(tr_state);
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Leaving draw cycle\n"));
}
static void attributes_set_default_value(GF_Node *node, SVGAttribute *att)
{
u32 node_tag = node->sgprivate->tag;
switch (att->tag) {
case TAG_SVG_ATT_width:
case TAG_SVG_ATT_height:
if (node_tag == TAG_SVG_svg) {
SVG_Length *len = att->data;
len->type = SVG_NUMBER_PERCENTAGE;
len->value = INT2FIX(100);
}
break;
case TAG_SVG_ATT_x2:
if (node_tag == TAG_SVG_linearGradient) {
((SVG_Number *)att->data)->value = FIX_ONE;
}
break;
case TAG_SVG_ATT_cx:
case TAG_SVG_ATT_cy:
case TAG_SVG_ATT_fx:
case TAG_SVG_ATT_fy:
case TAG_SVG_ATT_r:
if (node_tag == TAG_SVG_radialGradient) {
((SVG_Number *)att->data)->value = FIX_ONE/2;
}
break;
case TAG_SVG_ATT_dur:
if (node_tag == TAG_SVG_video ||
node_tag == TAG_SVG_audio ||
node_tag == TAG_SVG_animation)
{
((SMIL_Duration *)att->data)->type = SMIL_DURATION_MEDIA;
} else {
/*is this correct?*/
((SMIL_Duration *)att->data)->type = SMIL_DURATION_INDEFINITE;
}
break;
case TAG_SVG_ATT_min:
((SMIL_Duration *)att->data)->type = SMIL_DURATION_DEFINED;
break;
case TAG_SVG_ATT_repeatDur:
((SMIL_Duration *)att->data)->type = SMIL_DURATION_INDEFINITE;
break;
case TAG_SVG_ATT_calcMode:
if (node_tag == TAG_SVG_animateMotion)
*((SMIL_CalcMode *)att->data) = SMIL_CALCMODE_PACED;
else
*((SMIL_CalcMode *)att->data) = SMIL_CALCMODE_LINEAR;
break;
case TAG_SVG_ATT_color:
((SVG_Paint *)att->data)->type = SVG_PAINT_COLOR;
((SVG_Paint *)att->data)->color.type = SVG_COLOR_INHERIT;
break;
case TAG_SVG_ATT_solid_color:
case TAG_SVG_ATT_stop_color:
((SVG_Paint *)att->data)->type = SVG_PAINT_COLOR;
((SVG_Paint *)att->data)->color.type = SVG_COLOR_RGBCOLOR;
break;
case TAG_SVG_ATT_opacity:
case TAG_SVG_ATT_solid_opacity:
case TAG_SVG_ATT_stop_opacity:
case TAG_SVG_ATT_audio_level:
case TAG_SVG_ATT_viewport_fill_opacity:
((SVG_Number *)att->data)->value = FIX_ONE;
break;
case TAG_SVG_ATT_display:
*((SVG_Display *)att->data) = SVG_DISPLAY_INLINE;
break;
case TAG_SVG_ATT_fill:
case TAG_SVG_ATT_stroke:
((SVG_Paint *)att->data)->type = SVG_PAINT_INHERIT;
break;
case TAG_SVG_ATT_stroke_dasharray:
((SVG_StrokeDashArray *)att->data)->type = SVG_STROKEDASHARRAY_INHERIT;
break;
case TAG_SVG_ATT_fill_opacity:
case TAG_SVG_ATT_stroke_opacity:
case TAG_SVG_ATT_stroke_width:
case TAG_SVG_ATT_font_size:
case TAG_SVG_ATT_line_increment:
case TAG_SVG_ATT_stroke_dashoffset:
case TAG_SVG_ATT_stroke_miterlimit:
((SVG_Number *)att->data)->type = SVG_NUMBER_INHERIT;
break;
case TAG_SVG_ATT_vector_effect:
*((SVG_VectorEffect *)att->data) = SVG_VECTOREFFECT_NONE;
break;
case TAG_SVG_ATT_fill_rule:
*((SVG_FillRule *)att->data) = SVG_FILLRULE_INHERIT;
break;
case TAG_SVG_ATT_font_weight:
*((SVG_FontWeight *)att->data) = SVG_FONTWEIGHT_INHERIT;
break;
case TAG_SVG_ATT_visibility:
*((SVG_Visibility *)att->data) = SVG_VISIBILITY_INHERIT;
break;
case TAG_SVG_ATT_smil_fill:
*((SMIL_Fill *)att->data) = SMIL_FILL_REMOVE;
break;
case TAG_XMLEV_ATT_defaultAction:
*((XMLEV_DefaultAction *)att->data) = XMLEVENT_DEFAULTACTION_PERFORM;
break;
case TAG_SVG_ATT_zoomAndPan:
*((SVG_ZoomAndPan *)att->data) = SVG_ZOOMANDPAN_MAGNIFY;
break;
case TAG_SVG_ATT_stroke_linecap:
*(SVG_StrokeLineCap*)att->data = SVG_STROKELINECAP_INHERIT;
break;
case TAG_SVG_ATT_stroke_linejoin:
*(SVG_StrokeLineJoin*)att->data = SVG_STROKELINEJOIN_INHERIT;
break;
case TAG_SVG_ATT_transform:
gf_mx2d_init(((SVG_Transform*)att->data)->mat);
break;
/*all default=0 values (don't need init)*/
case TAG_SVG_ATT_font_family:
case TAG_SVG_ATT_font_style:
case TAG_SVG_ATT_text_anchor:
case TAG_SVG_ATT_x:
case TAG_SVG_ATT_y:
break;
default:
GF_LOG(GF_LOG_DEBUG, GF_LOG_SCENE, ("[Scene] Cannot create default value for SVG attribute %s\n", gf_svg_get_attribute_name(node, att->tag)));
}
}
static void TraverseUntransform(GF_Node *node, void *rs, Bool is_destroy)
{
UntransformStack *stack = (UntransformStack *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *) rs;
if (is_destroy) {
gf_free(stack);
return;
}
if (tr_state->traversing_mode==TRAVERSE_SORT) {
if (gf_node_dirty_get(node)) {
Untransform_GetNode(node, &stack->untr); /*lets place it below*/
gf_node_dirty_clear(node, GF_SG_NODE_DIRTY);
}
}
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
GF_Matrix mx_model;
GF_Camera backup_cam;
if (!tr_state->camera) return;
gf_mx_copy(mx_model, tr_state->model_matrix);
gf_mx_init(tr_state->model_matrix);
memcpy(&backup_cam, tr_state->camera, sizeof(GF_Camera));
camera_invalidate(tr_state->camera);
tr_state->camera->is_3D=0;
tr_state->camera->flags |= CAM_NO_LOOKAT;
tr_state->camera->end_zoom = FIX_ONE;
camera_update(tr_state->camera, NULL, 1);
if (tr_state->traversing_mode == TRAVERSE_SORT) {
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_PROJECTION);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->projection.m);
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_MODELVIEW);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->modelview.m);
visual_3d_set_viewport(tr_state->visual, tr_state->camera->vp);
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_PROJECTION);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->projection.m);
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_MODELVIEW);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->modelview.m);
visual_3d_set_viewport(tr_state->visual, tr_state->camera->vp);
} else if (tr_state->traversing_mode == TRAVERSE_PICK) {
Fixed prev_dist = tr_state->visual->compositor->hit_square_dist;
GF_Ray r = tr_state->ray;
tr_state->ray.orig.x = INT2FIX(tr_state->pick_x);
tr_state->ray.orig.y = INT2FIX(tr_state->pick_y);
tr_state->ray.orig.z = 0;
tr_state->ray.dir.x = 0;
tr_state->ray.dir.y = 0;
tr_state->ray.dir.z = -FIX_ONE;
tr_state->visual->compositor->hit_square_dist=0;
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
tr_state->ray = r;
/*nothing picked, restore previous pick*/
if (!tr_state->visual->compositor->hit_square_dist)
tr_state->visual->compositor->hit_square_dist = prev_dist;
} else {
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
}
} else
#endif
{
GF_Matrix2D mx2d_backup;
gf_mx2d_copy(mx2d_backup, tr_state->transform);
gf_mx2d_init(tr_state->transform);
group_2d_traverse((GF_Node *)&stack->untr, (GroupingNode2D *)stack, tr_state);
gf_mx2d_copy(tr_state->transform, mx2d_backup);
}
}
/* 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);
}
void gf_sc_get_nodes_bounds(GF_Node *self, GF_ChildNodeItem *children, GF_TraverseState *tr_state, s32 *child_idx)
{
u32 i;
SFVec2f size;
GF_Rect rc;
GF_Matrix2D cur_mx;
if (tr_state->abort_bounds_traverse) {
if (self == tr_state->for_node) {
gf_mx2d_pre_multiply(&tr_state->mx_at_node, &tr_state->transform);
}
tr_state->abort_bounds_traverse=0;
gf_sc_get_nodes_bounds(self, children, tr_state, child_idx);
tr_state->abort_bounds_traverse=1;
return;
}
if (!children) return;
size.x = size.y = -FIX_ONE;
#ifndef GPAC_DISABLE_VRML
switch (gf_node_get_tag(self)) {
case TAG_MPEG4_Layer2D: size = ((M_Layer2D *)self)->size; break;
case TAG_MPEG4_Layer3D: size = ((M_Layer3D *)self)->size; break;
case TAG_MPEG4_Form: size = ((M_Form *)self)->size; break;
}
#endif
if ((size.x>=0) && (size.y>=0)) {
tr_state->bounds = gf_rect_center(size.x, size.y);
return;
}
gf_mx2d_copy(cur_mx, tr_state->transform);
rc = gf_rect_center(0,0);
i = 0;
while (children) {
if (child_idx && (i != (u32) *child_idx)) {
children = children->next;
continue;
}
gf_mx2d_init(tr_state->transform);
tr_state->bounds = gf_rect_center(0,0);
/*we hit the target node*/
if (children->node == tr_state->for_node)
tr_state->abort_bounds_traverse = 1;
gf_node_traverse(children->node, tr_state);
if (tr_state->abort_bounds_traverse) {
gf_mx2d_add_matrix(&tr_state->mx_at_node, &cur_mx);
return;
}
gf_mx2d_apply_rect(&tr_state->transform, &tr_state->bounds);
gf_rect_union(&rc, &tr_state->bounds);
children = children->next;
if (child_idx)
break;
}
#ifndef GPAC_DISABLE_SVG
if (gf_node_get_tag(self)==TAG_SVG_use) {
GF_FieldInfo info;
if (gf_node_get_attribute_by_tag(self, TAG_XLINK_ATT_href, 0, 0, &info)==GF_OK) {
GF_Node *iri = ((XMLRI*)info.far_ptr)->target;
if (iri) {
gf_mx2d_init(tr_state->transform);
tr_state->bounds = gf_rect_center(0,0);
/*we hit the target node*/
if (iri == tr_state->for_node)
tr_state->abort_bounds_traverse = 1;
gf_node_traverse(iri, tr_state);
if (tr_state->abort_bounds_traverse) {
gf_mx2d_pre_multiply(&tr_state->mx_at_node, &cur_mx);
return;
}
gf_mx2d_apply_rect(&tr_state->transform, &tr_state->bounds);
gf_rect_union(&rc, &tr_state->bounds);
}
}
}
#endif
gf_mx2d_copy(tr_state->transform, cur_mx);
if (self != tr_state->for_node) {
gf_mx2d_apply_rect(&tr_state->transform, &rc);
}
tr_state->bounds = rc;
}
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);
}
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);
}
/*
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);
}
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);
}
}
GF_EXPORT
GF_Err gf_sg_command_apply(GF_SceneGraph *graph, GF_Command *com, Double time_offset)
{
GF_Err e;
GF_CommandField *inf;
GF_FieldInfo field;
GF_Node *def, *node;
void *slot_ptr;
if (!com || !graph) return GF_BAD_PARAM;
e = GF_OK;
switch (com->tag) {
case GF_SG_SCENE_REPLACE:
/*unregister root*/
gf_node_unregister(graph->RootNode, NULL);
/*remove all protos and routes*/
while (gf_list_count(graph->routes_to_activate))
gf_list_rem(graph->routes_to_activate, 0);
/*destroy all routes*/
while (gf_list_count(graph->Routes)) {
GF_Route *r = (GF_Route *)gf_list_get(graph->Routes, 0);
/*this will unregister the route from the graph, so don't delete the chain entry*/
gf_sg_route_del(r);
}
/*destroy all proto*/
while (gf_list_count(graph->protos)) {
GF_Proto *p = (GF_Proto*)gf_list_get(graph->protos, 0);
/*this will unregister the proto from the graph, so don't delete the chain entry*/
gf_sg_proto_del(p);
}
/*DO NOT TOUCH node registry*/
/*DO NOT TOUCH UNREGISTERED PROTOS*/
/*move all protos in graph*/
while (gf_list_count(com->new_proto_list)) {
GF_Proto *p = (GF_Proto*)gf_list_get(com->new_proto_list, 0);
gf_list_rem(com->new_proto_list, 0);
gf_list_del_item(graph->unregistered_protos, p);
gf_list_add(graph->protos, p);
}
/*assign new root (no need to register/unregister)*/
graph->RootNode = com->node;
com->node = NULL;
break;
case GF_SG_NODE_REPLACE:
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
e = gf_node_replace(com->node, inf->new_node, 0);
if (inf->new_node) gf_node_register(inf->new_node, NULL);
break;
case GF_SG_MULTIPLE_REPLACE:
case GF_SG_FIELD_REPLACE:
{
u32 j;
GF_ChildNodeItem *list, *cur, *prev;
j=0;
while ((inf = (GF_CommandField*)gf_list_enum(com->command_fields, &j))) {
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
switch (field.fieldType) {
case GF_SG_VRML_SFNODE:
{
node = *((GF_Node **) field.far_ptr);
e = gf_node_unregister(node, com->node);
*((GF_Node **) field.far_ptr) = inf->new_node;
if (!e) gf_node_register(inf->new_node, com->node);
break;
}
case GF_SG_VRML_MFNODE:
gf_node_unregister_children(com->node, * ((GF_ChildNodeItem **) field.far_ptr));
* ((GF_ChildNodeItem **) field.far_ptr) = NULL;
list = * ((GF_ChildNodeItem **) inf->field_ptr);
prev=NULL;
while (list) {
cur = malloc(sizeof(GF_ChildNodeItem));
cur->next = NULL;
cur->node = list->node;
if (prev) {
prev->next = cur;
} else {
* ((GF_ChildNodeItem **) field.far_ptr) = cur;
}
gf_node_register(list->node, com->node);
prev = cur;
list = list->next;
}
break;
default:
/*this is a regular field, reset it and clone - we cannot switch pointers since the
original fields are NOT pointers*/
if (!gf_sg_vrml_is_sf_field(field.fieldType)) {
e = gf_sg_vrml_mf_reset(field.far_ptr, field.fieldType);
}
if (e) return e;
gf_sg_vrml_field_copy(field.far_ptr, inf->field_ptr, field.fieldType);
if (field.fieldType==GF_SG_VRML_SFTIME) *(SFTime *)field.far_ptr = *(SFTime *)field.far_ptr + time_offset;
break;
}
SG_CheckFieldChange(com->node, &field);
}
break;
}
case GF_SG_MULTIPLE_INDEXED_REPLACE:
case GF_SG_INDEXED_REPLACE:
{
u32 sftype, i=0;
while ((inf = (GF_CommandField*)gf_list_enum(com->command_fields, &i))) {
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
/*if MFNode remove the child and set new node*/
if (field.fieldType == GF_SG_VRML_MFNODE) {
/*we must remove the node before in case the new node uses the same ID (not forbidden) and this
command removes the last instance of the node with the same ID*/
gf_node_replace_child(com->node, (GF_ChildNodeItem**) field.far_ptr, inf->pos, inf->new_node);
if (inf->new_node) gf_node_register(inf->new_node, NULL);
}
/*erase the field item*/
else {
if ((inf->pos < 0) || ((u32) inf->pos >= ((GenMFField *) field.far_ptr)->count) ) {
inf->pos = ((GenMFField *)field.far_ptr)->count - 1;
/*may happen with text and default value*/
if (inf->pos < 0) {
inf->pos = 0;
gf_sg_vrml_mf_alloc(field.far_ptr, field.fieldType, 1);
}
}
e = gf_sg_vrml_mf_get_item(field.far_ptr, field.fieldType, & slot_ptr, inf->pos);
if (e) return e;
sftype = gf_sg_vrml_get_sf_type(field.fieldType);
gf_sg_vrml_field_copy(slot_ptr, inf->field_ptr, sftype);
/*note we don't add time offset, since there's no MFTime*/
}
SG_CheckFieldChange(com->node, &field);
}
break;
}
case GF_SG_ROUTE_REPLACE:
{
GF_Route *r;
char *name;
r = gf_sg_route_find(graph, com->RouteID);
def = gf_sg_find_node(graph, com->fromNodeID);
node = gf_sg_find_node(graph, com->toNodeID);
if (!node || !def) return GF_SG_UNKNOWN_NODE;
name = NULL;
if (r) {
name = r->name;
r->name = NULL;
gf_sg_route_del(r);
}
r = gf_sg_route_new(graph, def, com->fromFieldIndex, node, com->toFieldIndex);
gf_sg_route_set_id(r, com->RouteID);
if (name) {
gf_sg_route_set_name(r, name);
free(name);
}
break;
}
case GF_SG_NODE_DELETE_EX:
case GF_SG_NODE_DELETE:
{
if (com->node) gf_node_replace(com->node, NULL, (com->tag==GF_SG_NODE_DELETE_EX) ? 1 : 0);
break;
}
case GF_SG_ROUTE_DELETE:
{
return gf_sg_route_del_by_id(graph, com->RouteID);
}
case GF_SG_INDEXED_DELETE:
{
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
if (gf_sg_vrml_is_sf_field(field.fieldType)) return GF_NON_COMPLIANT_BITSTREAM;
/*then we need special handling in case of a node*/
if (gf_sg_vrml_get_sf_type(field.fieldType) == GF_SG_VRML_SFNODE) {
e = gf_node_replace_child(com->node, (GF_ChildNodeItem **) field.far_ptr, inf->pos, NULL);
} else {
if ((inf->pos < 0) || ((u32) inf->pos >= ((GenMFField *) field.far_ptr)->count) ) {
inf->pos = ((GenMFField *)field.far_ptr)->count - 1;
}
/*this is a regular MFField, just remove the item (realloc)*/
e = gf_sg_vrml_mf_remove(field.far_ptr, field.fieldType, inf->pos);
}
/*deletion -> node has changed*/
if (!e) SG_CheckFieldChange(com->node, &field);
break;
}
case GF_SG_NODE_INSERT:
{
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
e = gf_node_insert_child(com->node, inf->new_node, inf->pos);
if (!e) gf_node_register(inf->new_node, com->node);
if (!e) gf_node_event_out(com->node, inf->fieldIndex);
if (!e) gf_node_changed(com->node, NULL);
break;
}
case GF_SG_ROUTE_INSERT:
{
GF_Route *r;
def = gf_sg_find_node(graph, com->fromNodeID);
node = gf_sg_find_node(graph, com->toNodeID);
if (!node || !def) return GF_SG_UNKNOWN_NODE;
r = gf_sg_route_new(graph, def, com->fromFieldIndex, node, com->toFieldIndex);
if (com->RouteID) gf_sg_route_set_id(r, com->RouteID);
if (com->def_name) {
gf_sg_route_set_name(r, com->def_name);
free(com->def_name);
com->def_name = NULL;
}
break;
}
case GF_SG_INDEXED_INSERT:
{
u32 sftype;
if (!gf_list_count(com->command_fields)) return GF_OK;
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
e = gf_node_get_field(com->node, inf->fieldIndex, &field);
if (e) return e;
/*rescale the MFField and parse the SFField*/
if (field.fieldType != GF_SG_VRML_MFNODE) {
if (inf->pos == -1) {
e = gf_sg_vrml_mf_append(field.far_ptr, field.fieldType, & slot_ptr);
} else {
e = gf_sg_vrml_mf_insert(field.far_ptr, field.fieldType, & slot_ptr, inf->pos);
}
if (e) return e;
sftype = gf_sg_vrml_get_sf_type(field.fieldType);
gf_sg_vrml_field_copy(slot_ptr, inf->field_ptr, sftype);
} else {
if (inf->new_node) {
if (inf->pos == -1) {
gf_node_list_add_child( (GF_ChildNodeItem **) field.far_ptr, inf->new_node);
} else {
gf_node_list_insert_child((GF_ChildNodeItem **) field.far_ptr, inf->new_node, inf->pos);
}
gf_node_register(inf->new_node, com->node);
}
}
if (!e) SG_CheckFieldChange(com->node, &field);
break;
}
case GF_SG_PROTO_INSERT:
/*destroy all proto*/
while (gf_list_count(com->new_proto_list)) {
GF_Proto *p = (GF_Proto*)gf_list_get(com->new_proto_list, 0);
gf_list_rem(com->new_proto_list, 0);
gf_list_del_item(graph->unregistered_protos, p);
gf_list_add(graph->protos, p);
}
return GF_OK;
case GF_SG_PROTO_DELETE:
{
u32 i;
for (i=0; i<com->del_proto_list_size; i++) {
/*note this will check for unregistered protos, but since IDs are unique we are sure we will
not destroy an unregistered one*/
GF_Proto *proto = gf_sg_find_proto(graph, com->del_proto_list[i], NULL);
if (proto) gf_sg_proto_del(proto);
}
}
return GF_OK;
case GF_SG_PROTO_DELETE_ALL:
/*destroy all proto*/
while (gf_list_count(graph->protos)) {
GF_Proto *p = (GF_Proto*)gf_list_get(graph->protos, 0);
gf_list_rem(graph->protos, 0);
/*this will unregister the proto from the graph, so don't delete the chain entry*/
gf_sg_proto_del(p);
}
/*DO NOT TOUCH UNREGISTERED PROTOS*/
return GF_OK;
/*only used by BIFS*/
case GF_SG_GLOBAL_QUANTIZER:
return GF_OK;
#ifndef GPAC_DISABLE_SVG
/*laser commands*/
case GF_SG_LSR_NEW_SCENE:
/*DO NOT TOUCH node registry*/
/*assign new root (no need to register/unregister)*/
graph->RootNode = com->node;
com->node = NULL;
break;
case GF_SG_LSR_DELETE:
if (!com->node) return GF_NON_COMPLIANT_BITSTREAM;
if (!gf_list_count(com->command_fields)) {
gf_node_replace(com->node, NULL, 0);
gf_node_deactivate(com->node);
return GF_OK;
}
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
node = gf_node_list_get_child(((SVG_Element *)com->node)->children, inf->pos);
if (node) {
e = gf_node_replace_child(com->node, &((SVG_Element *)com->node)->children, inf->pos, NULL);
gf_node_deactivate(node);
}
break;
case GF_SG_LSR_INSERT:
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
if (!com->node || !inf) return GF_NON_COMPLIANT_BITSTREAM;
if (inf->new_node) {
if (inf->pos<0)
gf_node_list_add_child(& ((SVG_Element *)com->node)->children, inf->new_node);
else
gf_node_list_insert_child(& ((SVG_Element *)com->node)->children, inf->new_node, inf->pos);
gf_node_register(inf->new_node, com->node);
gf_node_activate(inf->new_node);
gf_node_changed(com->node, NULL);
} else {
/*NOT SUPPORTED*/
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[LASeR] VALUE INSERTION NOT SUPPORTED\n"));
}
break;
case GF_SG_LSR_ADD:
case GF_SG_LSR_REPLACE:
inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
if (!com->node || !inf) return GF_NON_COMPLIANT_BITSTREAM;
if (inf->new_node) {
if (inf->pos<0) {
/*if fieldIndex (eg attributeName) is set, this is children replacement*/
if (inf->fieldIndex>0) {
gf_node_unregister_children_deactivate(com->node, ((SVG_Element *)com->node)->children);
((SVG_Element *)com->node)->children = NULL;
gf_node_list_add_child(& ((SVG_Element *)com->node)->children, inf->new_node);
gf_node_register(inf->new_node, com->node);
gf_node_activate(inf->new_node);
} else {
e = gf_node_replace(com->node, inf->new_node, 0);
gf_node_activate(inf->new_node);
}
} else {
node = gf_node_list_get_child( ((SVG_Element *)com->node)->children, inf->pos);
gf_node_replace_child(com->node, & ((SVG_Element *)com->node)->children, inf->pos, inf->new_node);
gf_node_register(inf->new_node, com->node);
if (node) gf_node_deactivate(node);
gf_node_activate(inf->new_node);
}
/*signal node modif*/
gf_node_changed(com->node, NULL);
return e;
} else if (inf->node_list) {
GF_ChildNodeItem *child, *cur, *prev;
gf_node_unregister_children_deactivate(com->node, ((SVG_Element *)com->node)->children);
((SVG_Element *)com->node)->children = NULL;
prev = NULL;
child = inf->node_list;
while (child) {
cur = (GF_ChildNodeItem*)malloc(sizeof(GF_ChildNodeItem));
cur->next = NULL;
cur->node = child->node;
gf_node_register(child->node, com->node);
gf_node_activate(child->node);
if (prev) prev->next = cur;
else ((SVG_Element *)com->node)->children = cur;
prev = cur;
child = child->next;
}
/*signal node modif*/
gf_node_changed(com->node, NULL);
return GF_OK;
}
/*attribute modif*/
else if (inf->field_ptr) {
GF_FieldInfo a, b;
if (inf->fieldIndex==(u32) -2) {
GF_Point2D scale, translate;
Fixed rotate;
GF_Matrix2D *dest;
gf_node_get_field_by_name(com->node, "transform", &a);
dest = (GF_Matrix2D*)a.far_ptr;
if (com->tag==GF_SG_LSR_REPLACE) {
if (gf_mx2d_decompose(dest, &scale, &rotate, &translate)) {
gf_mx2d_init(*dest);
if (inf->fieldType==SVG_TRANSFORM_SCALE) scale = *(GF_Point2D *)inf->field_ptr;
else if (inf->fieldType==SVG_TRANSFORM_TRANSLATE) translate = *(GF_Point2D *)inf->field_ptr;
else if (inf->fieldType==SVG_TRANSFORM_ROTATE) rotate = ((SVG_Point_Angle*)inf->field_ptr)->angle;
gf_mx2d_add_scale(dest, scale.x, scale.y);
gf_mx2d_add_rotation(dest, 0, 0, rotate);
gf_mx2d_add_translation(dest, translate.x, translate.y);
}
} else {
GF_Point2D *pt = (GF_Point2D *)inf->field_ptr;
if (inf->fieldType==SVG_TRANSFORM_SCALE) gf_mx2d_add_scale(dest, pt->x, pt->y);
else if (inf->fieldType==SVG_TRANSFORM_TRANSLATE) gf_mx2d_add_translation(dest, pt->x, pt->y);
else if (inf->fieldType == SVG_TRANSFORM_ROTATE) gf_mx2d_add_rotation(dest, 0, 0, ((SVG_Point_Angle*)inf->field_ptr)->angle);
}
} else {
if ((inf->fieldIndex==(u32) -1) && (inf->fieldType==SVG_String_datatype)) {
char *str = *(SVG_String*)inf->field_ptr;
if (com->tag == GF_SG_LSR_REPLACE) {
GF_DOMText *t = ((SVG_Element*)com->node)->children ? (GF_DOMText*) ((SVG_Element*)com->node)->children->node :NULL;
if (t && (t->sgprivate->tag==TAG_DOMText)) {
if (t->textContent) free(t->textContent);
t->textContent = NULL;
if (str) t->textContent = strdup(str);
}
} else {
if (str) gf_dom_add_text_node(com->node, strdup(str));
}
}
else if ((inf->fieldIndex==TAG_LSR_ATT_scale)
|| (inf->fieldIndex==TAG_LSR_ATT_translation)
|| (inf->fieldIndex==TAG_LSR_ATT_rotation)
) {
SVG_Transform *mx;
gf_svg_get_attribute_by_tag(com->node, TAG_SVG_ATT_transform, 1, 0, &a);
mx = a.far_ptr;
if (com->tag == GF_SG_LSR_REPLACE) {
GF_Point2D scale, translate;
SVG_Point_Angle rotate;
if (gf_mx2d_decompose(&mx->mat, &scale, &rotate.angle, &translate)) {
gf_mx2d_init(mx->mat);
if (inf->fieldIndex==TAG_LSR_ATT_scale) scale = *(GF_Point2D *)inf->field_ptr;
else if (inf->fieldIndex==TAG_LSR_ATT_translation) translate = *(GF_Point2D *)inf->field_ptr;
else if (inf->fieldIndex==TAG_LSR_ATT_rotation) rotate = *(SVG_Point_Angle*)inf->field_ptr;
gf_mx2d_add_scale(&mx->mat, scale.x, scale.y);
gf_mx2d_add_rotation(&mx->mat, 0, 0, rotate.angle);
gf_mx2d_add_translation(&mx->mat, translate.x, translate.y);
}
} else {
if (inf->fieldIndex==TAG_LSR_ATT_scale) gf_mx2d_add_scale(&mx->mat, ((GF_Point2D*)inf->field_ptr)->x, ((GF_Point2D*)inf->field_ptr)->y);
if (inf->fieldIndex==TAG_LSR_ATT_translation) gf_mx2d_add_translation(&mx->mat, ((GF_Point2D*)inf->field_ptr)->x, ((GF_Point2D*)inf->field_ptr)->y);
if (inf->fieldIndex==TAG_LSR_ATT_rotation) gf_mx2d_add_rotation(&mx->mat, 0, 0, ((SVG_Point_Angle*)inf->field_ptr)->angle);
}
}
else if (gf_svg_get_attribute_by_tag(com->node, inf->fieldIndex, 1, 0, &a) == GF_OK) {
b = a;
b.far_ptr = inf->field_ptr;
if (com->tag == GF_SG_LSR_REPLACE) {
gf_svg_attributes_copy(&a, &b, 0);
} else {
gf_svg_attributes_add(&a, &b, &a, 0);
}
}
b = a;
b.far_ptr = inf->field_ptr;
}
/*signal node modif*/
gf_node_changed(com->node, &a);
} else if (com->fromNodeID) {
GF_FieldInfo a, b;
GF_Node *fromNode = gf_sg_find_node(graph, com->fromNodeID);
if (!fromNode) return GF_NON_COMPLIANT_BITSTREAM;
if (gf_node_get_field(fromNode, com->fromFieldIndex, &b) != GF_OK) return GF_NON_COMPLIANT_BITSTREAM;
if ((inf->fieldIndex==(u32) -1) && (inf->fieldType==SVG_String_datatype)) {
char *str = *(SVG_String*)inf->field_ptr;
if (com->tag == GF_SG_LSR_REPLACE) {
GF_DOMText *t = ((SVG_Element*)com->node)->children ? (GF_DOMText*) ((SVG_Element*)com->node)->children->node :NULL;
if (t && (t->sgprivate->tag==TAG_DOMText)) {
if (t->textContent) free(t->textContent);
t->textContent = NULL;
if (str) t->textContent = strdup(str);
}
} else {
if (str) gf_dom_add_text_node(com->node, strdup(str));
}
} else {
gf_node_get_field(com->node, inf->fieldIndex, &a);
if (com->tag == GF_SG_LSR_REPLACE) {
e = gf_svg_attributes_copy(&a, &b, 0);
} else {
e = gf_svg_attributes_add(&a, &b, &a, 0);
}
}
gf_node_changed(com->node, &a);
return e;
} else {
return GF_NON_COMPLIANT_BITSTREAM;
}
break;
case GF_SG_LSR_ACTIVATE:
gf_node_activate(com->node);
break;
case GF_SG_LSR_DEACTIVATE:
gf_node_deactivate(com->node);
gf_node_changed(com->node, NULL);
break;
#endif
default:
return GF_NOT_SUPPORTED;
}
if (e) return e;
if (com->scripts_to_load) {
while (gf_list_count(com->scripts_to_load)) {
GF_Node *script = (GF_Node *)gf_list_get(com->scripts_to_load, 0);
gf_list_rem(com->scripts_to_load, 0);
gf_sg_script_load(script);
}
gf_list_del(com->scripts_to_load);
com->scripts_to_load = NULL;
}
return GF_OK;
}
static void UpdateComposite2D(GF_TextureHandler *txh)
{
GF_Err e;
u32 i;
SensorHandler *hsens;
RenderEffect2D *eff;
M_CompositeTexture2D *ct2D = (M_CompositeTexture2D *)txh->owner;
Composite2DStack *st = (Composite2DStack *) gf_node_get_private(txh->owner);
GF_Raster2D *r2d = st->surf->render->compositor->r2d;
if (!gf_node_dirty_get(txh->owner)) {
txh->needs_refresh = 0;
return;
}
/*rebuild stencil*/
if (!st->surf->the_surface || !txh->hwtx || ((s32) st->width != ct2D->pixelWidth) || ( (s32) st->height != ct2D->pixelHeight) ) {
if (txh->hwtx) r2d->stencil_delete(txh->hwtx);
txh->hwtx = NULL;
if (ct2D->pixelWidth<=0) return;
if (ct2D->pixelHeight<=0) return;
st->width = ct2D->pixelWidth;
st->height = ct2D->pixelHeight;
txh->hwtx = r2d->stencil_new(r2d, GF_STENCIL_TEXTURE);
e = r2d->stencil_create_texture(txh->hwtx, st->width, st->height, GF_PIXEL_ARGB);
if (e) {
if (txh->hwtx) r2d->stencil_delete(txh->hwtx);
txh->hwtx = NULL;
}
}
if (!txh->hwtx) return;
GF_SAFEALLOC(eff, RenderEffect2D);
eff->sensors = gf_list_new();
eff->surface = st->surf;
if (st->surf->render->top_effect->trav_flags & TF_RENDER_DIRECT) {
eff->trav_flags = TF_RENDER_DIRECT;
}
gf_mx2d_init(eff->transform);
gf_cmx_init(&eff->color_mat);
st->surf->width = st->width;
st->surf->height = st->height;
eff->back_stack = st->surf->back_stack;
eff->view_stack = st->surf->view_stack;
eff->is_pixel_metrics = gf_sg_use_pixel_metrics(gf_node_get_graph(st->txh.owner));
eff->min_hsize = INT2FIX( MIN(st->width, st->height) ) / 2;
Composite_CheckBindables(st->txh.owner, eff, st->first);
st->first = 0;
GF_LOG(GF_LOG_DEBUG, GF_LOG_RENDER, ("[Render 2D] Entering CompositeTexture2D Render Cycle\n"));
e = VS2D_InitDraw(st->surf, eff);
if (e) {
effect_delete(eff);
return;
}
/*render children*/
if (gf_node_dirty_get(st->txh.owner) & GF_SG_NODE_DIRTY) {
GF_ChildNodeItem *l = ct2D->children;
/*rebuild sensor list */
if (gf_list_count(st->sensors)) {
gf_list_del(st->sensors);
st->sensors = gf_list_new();
}
while (l) {
if (l->node && is_sensor_node(l->node) ) {
hsens = get_sensor_handler(l->node);
if (hsens) gf_list_add(st->sensors, hsens);
}
l = l->next;
}
/*if we have an active sensor at this level discard all sensors in current render context (cf VRML)*/
if (gf_list_count(st->sensors)) {
effect_reset_sensors(eff);
}
}
/*add sensor to effects*/
i=0;
while ((hsens = (SensorHandler*)gf_list_enum(st->sensors, &i))) {
effect_add_sensor(eff, hsens, &eff->transform);
}
gf_node_dirty_clear(st->txh.owner, 0);
/*render*/
gf_node_render_children(st->txh.owner, eff);
/*finalize draw*/
txh->needs_refresh = VS2D_TerminateDraw(st->surf, eff);
st->txh.transparent = st->surf->last_had_back ? 0 : 1;
/*
st->txh.active_window.x = 0;
st->txh.active_window.y = 0;
st->txh.active_window.width = st->width;
st->txh.active_window.height = st->height;
*/
st->txh.width = st->width;
st->txh.height = st->height;
/*set active viewport in image coordinates top-left=(0, 0), not in BIFS*/
if (gf_list_count(st->surf->view_stack)) {
M_Viewport *vp = (M_Viewport *)gf_list_get(st->surf->view_stack, 0);
if (vp->isBound) {
SFVec2f size = vp->size;
if (size.x >=0 && size.y>=0) {
/*
st->txh.active_window.width = size.x;
st->txh.active_window.height = size.y;
st->txh.active_window.x = (st->width - size.x) / 2;
st->txh.active_window.y = (st->height - size.y) / 2;
*/
/*FIXME - we need tracking of VP changes*/
txh->needs_refresh = 1;
}
}
}
if (txh->needs_refresh) {
if (r2d->stencil_texture_modified) r2d->stencil_texture_modified(st->txh.hwtx);
gf_sr_invalidate(st->txh.compositor, NULL);
}
effect_delete(eff);
GF_LOG(GF_LOG_DEBUG, GF_LOG_RENDER, ("[Render 2D] Leaving CompositeTexture2D Render Cycle\n"));
}
static void TraverseViewport(GF_Node *node, void *rs, Bool is_destroy)
{
Fixed sx, sy, w, h, tx, ty;
#ifndef GPAC_DISABLE_3D
GF_Matrix mx;
#endif
GF_Matrix2D mat;
GF_Rect rc, rc_bckup;
ViewStack *st = (ViewStack *) gf_node_get_private(node);
M_Viewport *vp = (M_Viewport *) node;
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
if (is_destroy) {
DestroyViewStack(node);
return;
}
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d>1) return;
#endif
/*first traverse, bound if needed*/
if (gf_list_find(tr_state->viewpoints, node) < 0) {
gf_list_add(tr_state->viewpoints, node);
assert(gf_list_find(st->reg_stacks, tr_state->viewpoints)==-1);
gf_list_add(st->reg_stacks, tr_state->viewpoints);
if (gf_list_get(tr_state->viewpoints, 0) == vp) {
if (!vp->isBound) Bindable_SetIsBound(node, 1);
} else {
if (gf_inline_is_default_viewpoint(node)) Bindable_SetSetBindEx(node, 1, tr_state->viewpoints);
}
VPCHANGED(tr_state->visual->compositor);
/*in any case don't draw the first time (since the viewport could have been declared last)*/
gf_sc_invalidate(tr_state->visual->compositor, NULL);
return;
}
if (tr_state->traversing_mode != TRAVERSE_BINDABLE) return;
if (!vp->isBound) return;
if (gf_list_get(tr_state->viewpoints, 0) != vp)
return;
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
w = tr_state->bbox.max_edge.x - tr_state->bbox.min_edge.x;
h = tr_state->bbox.max_edge.y - tr_state->bbox.min_edge.y;
} else
#endif
{
w = tr_state->bounds.width;
h = tr_state->bounds.height;
}
if (!w || !h) return;
/*if no parent this is the main viewport, don't update if not changed*/
// if (!tr_state->is_layer && !gf_node_dirty_get(node)) return;
gf_node_dirty_clear(node, 0);
gf_mx2d_init(mat);
gf_mx2d_add_translation(&mat, vp->position.x, vp->position.y);
gf_mx2d_add_rotation(&mat, 0, 0, vp->orientation);
//compute scaling ratio
sx = (vp->size.x>=0) ? vp->size.x : w;
sy = (vp->size.y>=0) ? vp->size.y : h;
rc = gf_rect_center(sx, sy);
rc_bckup = rc;
switch (vp->fit) {
/*covers all area and respect aspect ratio*/
case 2:
if (gf_divfix(rc.width, w) > gf_divfix(rc.height, h)) {
rc.width = gf_muldiv(rc.width, h, rc.height);
rc.height = h;
} else {
rc.height = gf_muldiv(rc.height , w, rc.width);
rc.width = w;
}
break;
/*fits inside the area and respect AR*/
case 1:
if (gf_divfix(rc.width, w)> gf_divfix(rc.height, h)) {
rc.height = gf_muldiv(rc.height, w, rc.width);
rc.width = w;
} else {
rc.width = gf_muldiv(rc.width, h, rc.height);
rc.height = h;
}
break;
/*fit entirely: nothing to change*/
case 0:
rc.width = w;
rc.height = h;
break;
default:
return;
}
sx = gf_divfix(rc.width, rc_bckup.width);
sy = gf_divfix(rc.height, rc_bckup.height);
/*viewport on root visual, remove compositor scale*/
if (!tr_state->is_layer && (tr_state->visual->compositor->visual==tr_state->visual) ) {
sx = gf_divfix(sx, tr_state->visual->compositor->scale_x);
sy = gf_divfix(sy, tr_state->visual->compositor->scale_y);
}
rc.x = - rc.width/2;
rc.y = rc.height/2;
tx = ty = 0;
if (vp->fit && vp->alignment.count) {
/*left alignment*/
if (vp->alignment.vals[0] == -1) tx = rc.width/2 - w/2;
else if (vp->alignment.vals[0] == 1) tx = w/2 - rc.width/2;
if (vp->alignment.count>1) {
/*top-alignment*/
if (vp->alignment.vals[1]==-1) ty = rc.height/2 - h/2;
else if (vp->alignment.vals[1]==1) ty = h/2 - rc.height/2;
}
}
gf_mx2d_init(mat);
if (tr_state->pixel_metrics) {
gf_mx2d_add_scale(&mat, sx, sy);
} else {
/*if we are not in pixelMetrics, undo the meterMetrics->pixelMetrics transformation*/
gf_mx2d_add_scale(&mat, gf_divfix(sx, tr_state->min_hsize), gf_divfix(sy, tr_state->min_hsize) );
}
gf_mx2d_add_translation(&mat, tx, ty);
gf_mx2d_add_translation(&mat, -gf_mulfix(vp->position.x,sx), -gf_mulfix(vp->position.y,sy) );
gf_mx2d_add_rotation(&mat, 0, 0, vp->orientation);
tr_state->bounds = rc;
tr_state->bounds.x += tx;
tr_state->bounds.y += ty;
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
/*in layers directly modify the model matrix*/
if (tr_state->is_layer) {
gf_mx_from_mx2d(&mx, &mat);
gf_mx_add_matrix(&tr_state->model_matrix, &mx);
}
/*otherwise add to camera viewport matrix*/
else {
gf_mx_from_mx2d(&tr_state->camera->viewport, &mat);
tr_state->camera->flags = (CAM_HAS_VIEWPORT | CAM_IS_DIRTY);
}
} else
#endif
gf_mx2d_pre_multiply(&tr_state->transform, &mat);
}
GF_Err evg_surface_fill(GF_SURFACE _this, GF_STENCIL stencil)
{
GF_Rect rc;
GF_Matrix2D mat, st_mat;
Bool restore_filter;
EVGSurface *surf = (EVGSurface *)_this;
EVGStencil *sten = (EVGStencil *)stencil;
if (!surf || !stencil) return GF_BAD_PARAM;
if (!surf->ftoutline.n_points) return GF_OK;
surf->sten = sten;
/*setup ft raster calllbacks*/
if (!setup_grey_callback(surf)) return GF_OK;
/* surf->ftparams.gray_spans = gray_spans_stub; */
get_surface_world_matrix(surf, &mat);
restore_filter = 0;
/*get path frame for texture convertion */
if (sten->type != GF_STENCIL_SOLID) {
rc = surf->path_bounds;
gf_mx2d_apply_rect(&mat, &rc);
rc.x = rc.y = 0;
/*assign target frame and matrix*/
sten->frame = rc;
gf_mx2d_copy(sten->pmat, surf->mat);
gf_mx2d_inverse(&sten->pmat);
gf_mx2d_copy(st_mat, sten->smat);
gf_mx2d_init(sten->smat);
switch (sten->type) {
case GF_STENCIL_TEXTURE:
if (! ((EVG_Texture *)sten)->pixels) return GF_BAD_PARAM;
if (((EVG_Texture *)sten)->mod & GF_TEXTURE_FLIP) {
if (!surf->center_coords) gf_mx2d_add_scale(&sten->smat, FIX_ONE, -FIX_ONE);
} else {
if (surf->center_coords) gf_mx2d_add_scale(&sten->smat, FIX_ONE, -FIX_ONE);
}
evg_set_texture_active(sten);
gf_mx2d_add_matrix(&sten->smat, &st_mat);
gf_mx2d_add_matrix(&sten->smat, &mat);
gf_mx2d_inverse(&sten->smat);
evg_bmp_init(sten);
if (((EVG_Texture *)sten)->filter == GF_TEXTURE_FILTER_DEFAULT) {
restore_filter = 1;
((EVG_Texture *)sten)->filter = surf->texture_filter;
}
break;
case GF_STENCIL_LINEAR_GRADIENT:
{
EVG_LinearGradient *lin = (EVG_LinearGradient *)sten;
gf_mx2d_add_matrix(&sten->smat, &st_mat);
gf_mx2d_add_matrix(&sten->smat, &mat);
gf_mx2d_inverse(&sten->smat);
/*and finalize matrix in gradient coord system*/
gf_mx2d_add_matrix(&sten->smat, &lin->vecmat);
gf_mx2d_add_scale(&sten->smat, INT2FIX(1<<EVGGRADIENTBITS), INT2FIX(1<<EVGGRADIENTBITS));
}
break;
case GF_STENCIL_RADIAL_GRADIENT:
{
EVG_RadialGradient *rad = (EVG_RadialGradient*)sten;
gf_mx2d_copy(sten->smat, st_mat);
gf_mx2d_add_matrix(&sten->smat, &mat);
gf_mx2d_inverse(&sten->smat);
gf_mx2d_add_translation(&sten->smat, -rad->center.x, -rad->center.y);
gf_mx2d_add_scale(&sten->smat, gf_invfix(rad->radius.x), gf_invfix(rad->radius.y));
rad->d_f.x = gf_divfix(rad->focus.x - rad->center.x, rad->radius.x);
rad->d_f.y = gf_divfix(rad->focus.y - rad->center.y, rad->radius.y);
/*init*/
evg_radial_init(rad);
}
break;
}
}
if (surf->useClipper) {
surf->ftparams.clip_xMin = surf->clipper.x;
surf->ftparams.clip_yMin = surf->clipper.y;
surf->ftparams.clip_xMax = (surf->clipper.x + surf->clipper.width);
surf->ftparams.clip_yMax = (surf->clipper.y + surf->clipper.height);
} else {
surf->ftparams.clip_xMin = 0;
surf->ftparams.clip_yMin = 0;
surf->ftparams.clip_xMax = (surf->width);
surf->ftparams.clip_yMax = (surf->height);
}
/*and call the raster*/
evg_raster_render(surf->raster, &surf->ftparams);
/*restore stencil matrix*/
if (sten->type != GF_STENCIL_SOLID) {
gf_mx2d_copy(sten->smat, st_mat);
if (restore_filter) ((EVG_Texture *)sten)->filter = GF_TEXTURE_FILTER_DEFAULT;
}
surf->sten = 0L;
return GF_OK;
}
