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#define __NR_ARENA_C__
/*
* RGBA display list system for inkscape
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 2001-2002 Lauris Kaplinski
* Copyright (C) 2001 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "nr-arena-item.h"
#include "nr-arena.h"
#include <libnr/nr-blit.h>
static void nr_arena_class_init (NRArenaClass *klass);
static void nr_arena_init (NRArena *arena);
static void nr_arena_finalize (NRObject *object);
static NRActiveObjectClass *parent_class;
NRType
nr_arena_get_type (void)
{
static NRType type = 0;
if (!type) {
type = nr_object_register_type (NR_TYPE_ACTIVE_OBJECT,
"NRArena",
sizeof (NRArenaClass),
sizeof (NRArena),
(void (*) (NRObjectClass *)) nr_arena_class_init,
(void (*) (NRObject *)) nr_arena_init);
}
return type;
}
static void
nr_arena_class_init (NRArenaClass *klass)
{
NRObjectClass *object_class = (NRObjectClass *) klass;
parent_class = (NRActiveObjectClass *) (((NRObjectClass *) klass)->parent);
object_class->finalize = nr_arena_finalize;
object_class->cpp_ctor = NRObject::invoke_ctor<NRArena>;
}
static void
nr_arena_init (NRArena *arena)
{
arena->delta = 0; // to be set by desktop from prefs
arena->rendermode = RENDERMODE_NORMAL; // default is normal render
arena->outlinecolor = 0xff; // black; to be set by desktop from bg color
arena->canvasarena = NULL;
}
static void
nr_arena_finalize (NRObject *object)
{
((NRObjectClass *) (parent_class))->finalize (object);
}
void
nr_arena_request_update (NRArena *arena, NRArenaItem *item)
{
NRActiveObject *aobject = (NRActiveObject *) arena;
nr_return_if_fail (arena != NULL);
nr_return_if_fail (NR_IS_ARENA (arena));
nr_return_if_fail (item != NULL);
nr_return_if_fail (NR_IS_ARENA_ITEM (item));
if (aobject->callbacks) {
for (unsigned int i = 0; i < aobject->callbacks->length; i++) {
NRObjectListener *listener = aobject->callbacks->listeners + i;
NRArenaEventVector *avector = (NRArenaEventVector *) listener->vector;
if ((listener->size >= sizeof (NRArenaEventVector)) && avector->request_update) {
avector->request_update (arena, item, listener->data);
}
}
}
}
void
nr_arena_request_render_rect (NRArena *arena, NRRectL *area)
{
NRActiveObject *aobject = (NRActiveObject *) arena;
nr_return_if_fail (arena != NULL);
nr_return_if_fail (NR_IS_ARENA (arena));
nr_return_if_fail (area != NULL);
if (aobject->callbacks && area && !nr_rect_l_test_empty (area)) {
for (unsigned int i = 0; i < aobject->callbacks->length; i++) {
NRObjectListener *listener = aobject->callbacks->listeners + i;
NRArenaEventVector *avector = (NRArenaEventVector *) listener->vector;
if ((listener->size >= sizeof (NRArenaEventVector)) && avector->request_render) {
avector->request_render (arena, area, listener->data);
}
}
}
}
void
nr_arena_render_paintserver_fill (NRPixBlock *pb, NRRectL *area, SPPainter *painter, float opacity, NRPixBlock *mask)
{
NRPixBlock cb, cb_opa;
nr_pixblock_setup_fast (&cb, NR_PIXBLOCK_MODE_R8G8B8A8N, area->x0, area->y0, area->x1, area->y1, TRUE);
nr_pixblock_setup_fast (&cb_opa, NR_PIXBLOCK_MODE_R8G8B8A8N, area->x0, area->y0, area->x1, area->y1, TRUE);
// if memory allocation failed, abort
if ((cb.size != NR_PIXBLOCK_SIZE_TINY && cb.data.px == NULL) || (cb_opa.size != NR_PIXBLOCK_SIZE_TINY && cb_opa.data.px == NULL)) {
return;
}
cb.visible_area = pb->visible_area;
cb_opa.visible_area = pb->visible_area;
/* Need separate gradient buffer (lauris)*/
// do the filling
painter->fill (painter, &cb);
cb.empty = FALSE;
// do the fill-opacity and mask composite
if (opacity < 1.0) {
nr_blit_pixblock_pixblock_alpha (&cb_opa, &cb, (int) floor (255 * opacity));
cb_opa.empty = FALSE;
nr_blit_pixblock_pixblock_mask (pb, &cb_opa, mask);
} else {
nr_blit_pixblock_pixblock_mask (pb, &cb, mask);
}
pb->empty = FALSE;
nr_pixblock_release (&cb);
nr_pixblock_release (&cb_opa);
}
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