node_composite_outputFile.c

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. 
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2006 Blender Foundation.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "node_composite_util.h"

/* **************** OUTPUT FILE ******************** */
static bNodeSocketTemplate cmp_node_output_file_in[]= {
    {   SOCK_RGBA, 1, "Image",      0.0f, 0.0f, 0.0f, 1.0f},
    {   SOCK_FLOAT, 1, "Z",     0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
    {   -1, 0, ""   }
};

static void node_composit_exec_output_file(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
{
    /* image assigned to output */
    /* stack order input sockets: col, alpha */
    
    if(in[0]->data) {
        RenderData *rd= data;
        NodeImageFile *nif= node->storage;
        if(nif->sfra!=nif->efra && (rd->cfra<nif->sfra || rd->cfra>nif->efra)) {
            return; /* BAIL OUT RETURN */
        }
        else if (!G.rendering) {
            /* only output files when rendering a sequence -
             * otherwise, it overwrites the output files just 
             * scrubbing through the timeline when the compositor updates */
            return;
        } else {
            Main *bmain= G.main; /* TODO, have this passed along */
            CompBuf *cbuf= typecheck_compbuf(in[0]->data, CB_RGBA);
            ImBuf *ibuf= IMB_allocImBuf(cbuf->x, cbuf->y, 32, 0);
            char string[256];
            
            ibuf->rect_float= cbuf->rect;
            ibuf->dither= rd->dither_intensity;
            
            if (rd->color_mgt_flag & R_COLOR_MANAGEMENT)
                ibuf->profile = IB_PROFILE_LINEAR_RGB;
            
            if(in[1]->data) {
                CompBuf *zbuf= in[1]->data;
                if(zbuf->type==CB_VAL && zbuf->x==cbuf->x && zbuf->y==cbuf->y) {
                    nif->im_format.flag |= R_IMF_FLAG_ZBUF;
                    ibuf->zbuf_float= zbuf->rect;
                }
            }
            
            BKE_makepicstring(string, nif->name, bmain->name, rd->cfra, nif->im_format.imtype, (rd->scemode & R_EXTENSION), TRUE);
            
            if(0 == BKE_write_ibuf(ibuf, string, &nif->im_format))
                printf("Cannot save Node File Output to %s\n", string);
            else
                printf("Saved: %s\n", string);
            
            IMB_freeImBuf(ibuf);    
            
            generate_preview(data, node, cbuf);
            
            if(in[0]->data != cbuf) 
                free_compbuf(cbuf);
        }
    }
}

static void node_composit_init_output_file(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp))
{
    Scene *scene= (Scene *)node->id;
    NodeImageFile *nif= MEM_callocN(sizeof(NodeImageFile), "node image file");
    node->storage= nif;

    if(scene) {
        BLI_strncpy(nif->name, scene->r.pic, sizeof(nif->name));
        nif->im_format= scene->r.im_format;
        if (BKE_imtype_is_movie(nif->im_format.imtype)) {
            nif->im_format.imtype= R_IMF_IMTYPE_OPENEXR;
        }
        nif->sfra= scene->r.sfra;
        nif->efra= scene->r.efra;
    }
}

void register_node_type_cmp_output_file(bNodeTreeType *ttype)
{
    static bNodeType ntype;

    node_type_base(ttype, &ntype, CMP_NODE_OUTPUT_FILE, "File Output", NODE_CLASS_OUTPUT, NODE_PREVIEW|NODE_OPTIONS);
    node_type_socket_templates(&ntype, cmp_node_output_file_in, NULL);
    node_type_size(&ntype, 140, 80, 300);
    node_type_init(&ntype, node_composit_init_output_file);
    node_type_storage(&ntype, "NodeImageFile", node_free_standard_storage, node_copy_standard_storage);
    node_type_exec(&ntype, node_composit_exec_output_file);

    nodeRegisterType(ttype, &ntype);
}