Ejemplos de gf_mx2d_add_scale_at en C++ (Cpp)

Ejemplo n.º 1

Archivo: mpeg4_grouping_2d.c Proyecto: bigbensk/gpac

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);
}

Ejemplo n.º 2

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);
	}
}

Ejemplo n.º 3

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;
		}
	}
}