コード例 #1
0
ImBuf *BaseImageOperation::getImBuf()
{
	ImBuf *ibuf;
	ImageUser iuser = *this->m_imageUser;

	if (this->m_image == NULL)
		return NULL;

	/* local changes to the original ImageUser */
	if (BKE_image_is_multilayer(this->m_image) == false)
		iuser.multi_index = BKE_scene_multiview_view_id_get(this->m_rd, this->m_viewName);

	ibuf = BKE_image_acquire_ibuf(this->m_image, &iuser, NULL);
	if (ibuf == NULL || (ibuf->rect == NULL && ibuf->rect_float == NULL)) {
		BKE_image_release_ibuf(this->m_image, ibuf, NULL);
		return NULL;
	}
	return ibuf;
}
コード例 #2
0
ファイル: image_draw.c プロジェクト: mcgrathd/blender
void draw_image_main(const bContext *C, ARegion *ar)
{
	SpaceImage *sima = CTX_wm_space_image(C);
	Scene *scene = CTX_data_scene(C);
	Image *ima;
	ImBuf *ibuf;
	float zoomx, zoomy;
	bool show_viewer, show_render, show_paint, show_stereo3d, show_multilayer;
	void *lock;

	/* XXX can we do this in refresh? */
#if 0
	what_image(sima);
	
	if (sima->image) {
		ED_image_get_aspect(sima->image, &xuser_asp, &yuser_asp);
		
		/* UGLY hack? until now iusers worked fine... but for flipbook viewer we need this */
		if (sima->image->type == IMA_TYPE_COMPOSITE) {
			ImageUser *iuser = ntree_get_active_iuser(scene->nodetree);
			if (iuser) {
				BKE_image_user_calc_imanr(iuser, scene->r.cfra, 0);
				sima->iuser = *iuser;
			}
		}
		/* and we check for spare */
		ibuf = ED_space_image_buffer(sima);
	}
#endif

	/* retrieve the image and information about it */
	ima = ED_space_image(sima);
	ED_space_image_get_zoom(sima, ar, &zoomx, &zoomy);

	show_viewer = (ima && ima->source == IMA_SRC_VIEWER) != 0;
	show_render = (show_viewer && ima->type == IMA_TYPE_R_RESULT) != 0;
	show_paint = (ima && (sima->mode == SI_MODE_PAINT) && (show_viewer == false) && (show_render == false));
	show_stereo3d = (ima && (ima->flag & IMA_IS_STEREO) && (sima->iuser.flag & IMA_SHOW_STEREO));
	show_multilayer = ima && BKE_image_is_multilayer(ima);

	if (show_viewer) {
		/* use locked draw for drawing viewer image buffer since the compositor
		 * is running in separated thread and compositor could free this buffers.
		 * other images are not modifying in such a way so they does not require
		 * lock (sergey)
		 */
		BLI_lock_thread(LOCK_DRAW_IMAGE);
	}

	if (show_stereo3d) {
		if (show_multilayer)
			/* update multiindex and pass for the current eye */
			BKE_image_multilayer_index(ima->rr, &sima->iuser);
		else
			BKE_image_multiview_index(ima, &sima->iuser);
	}

	ibuf = ED_space_image_acquire_buffer(sima, &lock);

	/* draw the image or grid */
	if (ibuf == NULL)
		ED_region_grid_draw(ar, zoomx, zoomy);
	else if (sima->flag & SI_DRAW_TILE)
		draw_image_buffer_repeated(C, sima, ar, scene, ima, ibuf, zoomx, zoomy);
	else if (ima && (ima->tpageflag & IMA_TILES))
		draw_image_buffer_tiled(sima, ar, scene, ima, ibuf, 0.0f, 0.0, zoomx, zoomy);
	else
		draw_image_buffer(C, sima, ar, scene, ibuf, 0.0f, 0.0f, zoomx, zoomy);

	/* paint helpers */
	if (show_paint)
		draw_image_paint_helpers(C, ar, scene, zoomx, zoomy);

	/* XXX integrate this code */
#if 0
	if (ibuf) {
		float xoffs = 0.0f, yoffs = 0.0f;
		
		if (image_preview_active(sa, &xim, &yim)) {
			xoffs = scene->r.disprect.xmin;
			yoffs = scene->r.disprect.ymin;
			glColor3ub(0, 0, 0);
			calc_image_view(sima, 'f');
			myortho2(G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);
			glRectf(0.0f, 0.0f, 1.0f, 1.0f);
			glLoadIdentity();
		}
	}
#endif

	ED_space_image_release_buffer(sima, ibuf, lock);

	if (show_viewer) {
		BLI_unlock_thread(LOCK_DRAW_IMAGE);
	}

	/* render info */
	if (ima && show_render)
		draw_render_info(C, sima->iuser.scene, ima, ar, zoomx, zoomy);
}