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blender-archive/source/blender/nodes/composite/node_composite_util.h
Lukas Toenne 050428049f Implements a new operator for detaching nodes. In the process i overhauled the node muting system as well.
There are a number of features that use a kind of "internal linking" in nodes:
1. muting
2. delete + reconnect (restore link to/from node after delete)
3. the new detach operator (same as 2, but don't delete the node)

The desired behavior in all cases is the same: find a sensible mapping of inputs-to-outputs of a node. In the case of muting these links are displayed in red on the node itself. For the other operators they are used to relink connections, such that one gets the best possible ongoing link between previous up- and downstream nodes.

Muting previously used a complicated callback system to ensure consistent behavior in the editor as well as execution in compositor, shader cpu/gpu and texture nodes. This has been greatly simplified by moving the muting step into the node tree localization functions. Any muted node is now bypassed using the generalized nodeInternalRelink function and then removed from the local tree. This way the internal execution system doesn't have to deal with muted nodes at all, as if they are non-existent.

The same function is also used by the delete_reconnect and the new links_detach operators (which work directly in the editor node tree). Detaching nodes is currently keymapped as a translation variant (macro operator): pressing ALTKEY + moving node first detaches and then continues with regular transform operator. The default key is ALT+DKEY though, instead ALT+GKEY, since the latter is already used for the ungroup operator.
2012-02-27 17:38:16 +00:00

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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 *****
*/
/** \file blender/nodes/composite/node_composite_util.h
* \ingroup nodes
*/
#ifndef __NODE_COMPOSITE_UTIL_H__
#define __NODE_COMPOSITE_UTIL_H__
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "DNA_camera_types.h" /* qdn: defocus node, need camera info */
#include "DNA_color_types.h"
#include "DNA_ID.h"
#include "DNA_image_types.h"
#include "DNA_material_types.h"
#include "DNA_movieclip_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_texture_types.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_rand.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BLI_utildefines.h"
#include "BKE_blender.h"
#include "BKE_camera.h"
#include "BKE_colortools.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_movieclip.h"
#include "BKE_node.h"
#include "BKE_texture.h"
#include "BKE_tracking.h"
#include "BKE_library.h"
#include "BKE_object.h"
#include "node_util.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "RE_pipeline.h"
#include "RE_shader_ext.h"
#include "RE_render_ext.h"
/* only for forward declarations */
#include "NOD_composite.h"
/* *************************** operations support *************************** */
/* general signal that's in output sockets, and goes over the wires */
typedef struct CompBuf {
float *rect;
int x, y, xrad, yrad;
short type, malloc;
rcti disprect; /* cropped part of image */
int xof, yof; /* relative to center of target image */
void (*rect_procedural)(struct CompBuf *, float *, float, float);
float procedural_size[3], procedural_offset[3];
int procedural_type;
bNode *node; /* only in use for procedural bufs */
struct CompBuf *next, *prev; /* for pass-on, works nicer than reference counting */
} CompBuf;
/* defines also used for pixel size */
#define CB_RGBA 4
#define CB_VEC4 4
#define CB_VEC3 3
#define CB_VEC2 2
#define CB_VAL 1
/* defines for RGBA channels */
#define CHAN_R 0
#define CHAN_G 1
#define CHAN_B 2
#define CHAN_A 3
CompBuf *alloc_compbuf(int sizex, int sizey, int type, int alloc);
CompBuf *dupalloc_compbuf(CompBuf *cbuf);
CompBuf *pass_on_compbuf(CompBuf *cbuf);
void free_compbuf(CompBuf *cbuf);
void print_compbuf(char *str, CompBuf *cbuf);
void compbuf_set_node(struct CompBuf *cbuf, struct bNode *node);
CompBuf *get_cropped_compbuf(rcti *drect, float *rectf, int rectx, int recty, int type);
CompBuf *scalefast_compbuf(CompBuf *inbuf, int newx, int newy);
CompBuf *typecheck_compbuf(CompBuf *inbuf, int type);
void typecheck_compbuf_color(float *out, float *in, int outtype, int intype);
/* **************************************************** */
float *compbuf_get_pixel(CompBuf *cbuf, float *defcol, float *use, int x, int y, int xrad, int yrad);
/* Pixel-to-Pixel operation, 1 Image in, 1 out */
void composit1_pixel_processor(bNode *node, CompBuf *out, CompBuf *src_buf, float *src_col,
void (*func)(bNode *, float *, float *),
int src_type);
/* Pixel-to-Pixel operation, 2 Images in, 1 out */
void composit2_pixel_processor(bNode *node, CompBuf *out, CompBuf *src_buf, float *src_col,
CompBuf *fac_buf, float *fac, void (*func)(bNode *, float *, float *, float *),
int src_type, int fac_type);
/* Pixel-to-Pixel operation, 3 Images in, 1 out */
void composit3_pixel_processor(bNode *node, CompBuf *out, CompBuf *src1_buf, float *src1_col, CompBuf *src2_buf, float *src2_col,
CompBuf *fac_buf, float *fac, void (*func)(bNode *, float *, float *, float *, float *),
int src1_type, int src2_type, int fac_type);
/* Pixel-to-Pixel operation, 4 Images in, 1 out */
void composit4_pixel_processor(bNode *node, CompBuf *out, CompBuf *src1_buf, float *src1_col, CompBuf *fac1_buf, float *fac1,
CompBuf *src2_buf, float *src2_col, CompBuf *fac2_buf, float *fac2,
void (*func)(bNode *, float *, float *, float *, float *, float *),
int src1_type, int fac1_type, int src2_type, int fac2_type);
CompBuf *valbuf_from_rgbabuf(CompBuf *cbuf, int channel);
void generate_preview(void *data, bNode *node, CompBuf *stackbuf);
void do_copy_rgba(bNode *node, float *out, float *in);
void do_copy_rgb(bNode *node, float *out, float *in);
void do_copy_value(bNode *node, float *out, float *in);
void do_copy_a_rgba(bNode *node, float *out, float *in, float *fac);
void do_rgba_to_yuva(bNode *node, float *out, float *in);
void do_rgba_to_hsva(bNode *node, float *out, float *in);
void do_rgba_to_ycca(bNode *node, float *out, float *in);
void do_yuva_to_rgba(bNode *node, float *out, float *in);
void do_hsva_to_rgba(bNode *node, float *out, float *in);
void do_ycca_to_rgba(bNode *node, float *out, float *in);
void gamma_correct_compbuf(CompBuf *img, int inversed);
void premul_compbuf(CompBuf *img, int inversed);
void convolve(CompBuf* dst, CompBuf* in1, CompBuf* in2);
extern void node_ID_title_cb(void *node_v, void *unused_v);
/* utility functions used by glare, tonemap and lens distortion */
/* soms macros for color handling */
typedef float fRGB[4];
/* clear color */
#define fRGB_clear(c) { c[0]=c[1]=c[2]=0.f; }
/* copy c2 to c1 */
#define fRGB_copy(c1, c2) { c1[0]=c2[0]; c1[1]=c2[1]; c1[2]=c2[2]; c1[3]=c2[3]; }
/* add c2 to c1 */
#define fRGB_add(c1, c2) { c1[0]+=c2[0]; c1[1]+=c2[1]; c1[2]+=c2[2]; }
/* subtract c2 from c1 */
#define fRGB_sub(c1, c2) { c1[0]-=c2[0]; c1[1]-=c2[1]; c1[2]-=c2[2]; }
/* multiply c by float value s */
#define fRGB_mult(c, s) { c[0]*=s; c[1]*=s; c[2]*=s; }
/* multiply c2 by s and add to c1 */
#define fRGB_madd(c1, c2, s) { c1[0]+=c2[0]*s; c1[1]+=c2[1]*s; c1[2]+=c2[2]*s; }
/* multiply c2 by color c1 */
#define fRGB_colormult(c, cs) { c[0]*=cs[0]; c[1]*=cs[1]; c[2]*=cs[2]; }
/* multiply c2 by color c3 and add to c1 */
#define fRGB_colormadd(c1, c2, c3) { c1[0]+=c2[0]*c3[0]; c1[1]+=c2[1]*c3[1]; c1[2]+=c2[2]*c3[2]; }
/* multiply c2 by color rgb, rgb as separate arguments */
#define fRGB_rgbmult(c, r, g, b) { c[0]*=(r); c[1]*=(g); c[2]*=(b); }
/* swap colors c1 & c2 */
#define fRGB_swap(c1, c2) { float _t=c1[0]; c1[0]=c2[0]; c2[0]=_t;\
_t=c1[1]; c1[1]=c2[1]; c2[1]=_t;\
_t=c1[2]; c1[2]=c2[2]; c2[2]=_t;\
_t=c1[3]; c1[3]=c2[3]; c3[3]=_t;}
void qd_getPixel(CompBuf* src, int x, int y, float* col);
void qd_setPixel(CompBuf* src, int x, int y, float* col);
void qd_addPixel(CompBuf* src, int x, int y, float* col);
void qd_multPixel(CompBuf* src, int x, int y, float f);
void qd_getPixelLerpWrap(CompBuf* src, float u, float v, float* col);
void qd_getPixelLerp(CompBuf* src, float u, float v, float* col);
void qd_getPixelLerpChan(CompBuf* src, float u, float v, int chan, float* out);
CompBuf* qd_downScaledCopy(CompBuf* src, int scale);
void IIR_gauss(CompBuf* src, float sigma, int chan, int xy);
/* end utility funcs */
/* transformations */
#define CMP_SCALE_MAX 12000
CompBuf* node_composit_transform(CompBuf *cbuf, float x, float y, float angle, float scale, int filter_type);
float *node_composit_get_float_buffer(RenderData *rd, ImBuf *ibuf, int *alloc);
#endif