archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity
This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
b9a19f1ea702446cb176d3f621de331d5c2cc9da
blender-archive/source/blender/src/editsima.c
Hans Lambermont 12315f4d0e Initial revision
2002-10-12 11:37:38 +00:00

906 lines
21 KiB
C
Raw Blame History

/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include <stdlib.h>
#include <math.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#include "BLI_winstuff.h"
#endif
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_editVert.h"
#include "IMB_imbuf_types.h"
#include "DNA_mesh_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_userdef_types.h"
#include "DNA_space_types.h"
#include "DNA_image_types.h"
#include "DNA_object_types.h" // only for uvedit_selectionCB() (struct Object)
#include "BKE_global.h"
#include "BKE_mesh.h"
#include "BIF_gl.h"
#include "BIF_interface.h"
#include "BIF_screen.h"
#include "BIF_drawimage.h"
#include "BIF_editview.h"
#include "BIF_space.h"
#include "BIF_editsima.h"
#include "BIF_toolbox.h"
#include "BIF_mywindow.h"
#include "BSE_drawipo.h"
#include "BSE_edit.h"
#include "BSE_trans_types.h"
#include "BDR_editobject.h"
#include "blendef.h"
#include "mydevice.h"
#include "interface.h"
static int is_uv_tface_editing_allowed(void)
{
Mesh *me;
if(G.obedit) {error("Unable to perform function in EditMode"); return 0;}
if(G.sima->mode!=SI_TEXTURE) return 0;
if(!(G.f & G_FACESELECT)) return 0;
me= get_mesh(OBACT);
if(me==0 || me->tface==0) return 0;
return 1;
}
void clever_numbuts_sima(void)
{
float ocent[2], cent[2]= {0.0, 0.0};
int imx, imy;
int i, nactive= 0;
Mesh *me;
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
if (G.sima->image && G.sima->image->ibuf) {
imx= G.sima->image->ibuf->x;
imy= G.sima->image->ibuf->y;
} else
imx= imy= 256;
for (i=0; i<me->totface; i++) {
MFace *mf= &((MFace*) me->mface)[i];
TFace *tf= &((TFace*) me->tface)[i];
if (!mf->v3 || !(tf->flag & TF_SELECT))
continue;
if (tf->flag & TF_SEL1) {
cent[0]+= tf->uv[0][0];
cent[1]+= tf->uv[0][1];
nactive++;
}
if (tf->flag & TF_SEL2) {
cent[0]+= tf->uv[1][0];
cent[1]+= tf->uv[1][1];
nactive++;
}
if (tf->flag & TF_SEL3) {
cent[0]+= tf->uv[2][0];
cent[1]+= tf->uv[2][1];
nactive++;
}
if (mf->v4 && (tf->flag & TF_SEL4)) {
cent[0]+= tf->uv[3][0];
cent[1]+= tf->uv[3][1];
nactive++;
}
}
if (nactive) {
cent[0]= (cent[0]*imx)/nactive;
cent[1]= (cent[1]*imy)/nactive;
add_numbut(0, NUM|FLO, "LocX:", -imx*20, imx*20, &cent[0], NULL);
add_numbut(1, NUM|FLO, "LocY:", -imy*20, imy*20, &cent[1], NULL);
ocent[0]= cent[0];
ocent[1]= cent[1];
if (do_clever_numbuts((nactive==1)?"Active Vertex":"Selected Center", 2, REDRAW)) {
float delta[2];
delta[0]= (cent[0]-ocent[0])/imx;
delta[1]= (cent[1]-ocent[1])/imy;
for (i=0; i<me->totface; i++) {
MFace *mf= &((MFace*) me->mface)[i];
TFace *tf= &((TFace*) me->tface)[i];
if (!mf->v3 || !(tf->flag & TF_SELECT))
continue;
if (tf->flag & TF_SEL1) {
tf->uv[0][0]+= delta[0];
tf->uv[0][1]+= delta[1];
}
if (tf->flag & TF_SEL2) {
tf->uv[1][0]+= delta[0];
tf->uv[1][1]+= delta[1];
}
if (tf->flag & TF_SEL3) {
tf->uv[2][0]+= delta[0];
tf->uv[2][1]+= delta[1];
}
if (mf->v4 && (tf->flag & TF_SEL4)) {
tf->uv[3][0]+= delta[0];
tf->uv[3][1]+= delta[1];
}
}
allqueue(REDRAWVIEW3D, 0);
}
}
}
static void sima_pixelgrid(float *loc, float sx, float sy)
{
float y;
float x;
if(G.sima->image && G.sima->image->ibuf) {
x= G.sima->image->ibuf->x;
y= G.sima->image->ibuf->y;
sx= floor(x*sx)/x;
if(G.sima->flag & SI_CLIP_UV) {
CLAMP(sx, 0, 1.0);
}
loc[0]= sx;
sy= floor(y*sy)/y;
if(G.sima->flag & SI_CLIP_UV) {
CLAMP(sy, 0, 1.0);
}
loc[1]= sy;
}
else {
loc[0]= sx;
loc[1]= sy;
}
}
static void be_square_tface_uv(Mesh *me)
{
TFace *tface;
MFace *mface;
int a;
/* als 1 punt select: doit (met het select punt) */
for(a=me->totface, mface= me->mface, tface= me->tface; a>0; a--, tface++, mface++) {
if(mface->v4) {
if(tface->flag & TF_SELECT) {
if(tface->flag & TF_SEL1) {
if( tface->uv[1][0] == tface->uv[2][0] ) {
tface->uv[1][1]= tface->uv[0][1];
tface->uv[3][0]= tface->uv[0][0];
}
else {
tface->uv[1][0]= tface->uv[0][0];
tface->uv[3][1]= tface->uv[0][1];
}
}
if(tface->flag & TF_SEL2) {
if( tface->uv[2][1] == tface->uv[3][1] ) {
tface->uv[2][0]= tface->uv[1][0];
tface->uv[0][1]= tface->uv[1][1];
}
else {
tface->uv[2][1]= tface->uv[1][1];
tface->uv[0][0]= tface->uv[1][0];
}
}
if(tface->flag & TF_SEL3) {
if( tface->uv[3][0] == tface->uv[0][0] ) {
tface->uv[3][1]= tface->uv[2][1];
tface->uv[1][0]= tface->uv[2][0];
}
else {
tface->uv[3][0]= tface->uv[2][0];
tface->uv[1][1]= tface->uv[2][1];
}
}
if(tface->flag & TF_SEL4) {
if( tface->uv[0][1] == tface->uv[1][1] ) {
tface->uv[0][0]= tface->uv[3][0];
tface->uv[2][1]= tface->uv[3][1];
}
else {
tface->uv[0][1]= tface->uv[3][1];
tface->uv[2][0]= tface->uv[3][0];
}
}
}
}
}
}
void tface_do_clip(void)
{
Mesh *me;
TFace *tface;
int a, b;
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
tface= me->tface;
for(a=0; a<me->totface; a++, tface++) {
if(tface->flag & TF_SELECT) {
for(b=0; b<4; b++) {
CLAMP(tface->uv[b][0], 0.0, 1.0);
CLAMP(tface->uv[b][1], 0.0, 1.0);
}
}
}
}
void transform_tface_uv(int mode)
{
MFace *mface;
TFace *tface;
Mesh *me;
TransVert *transmain, *tv;
float asp, dx1, dx2, dy1, dy2, phi, dphi, co, si;
float xref=1.0, yref=1.0, size[2], sizefac;
float dx, dy, dvec2[2], dvec[2], div, cent[2];
float x, y, min[2], max[2], vec[2], xtra[2], ivec[2];
int xim, yim, tot=0, a, b, firsttime=1, afbreek=0, midtog= 0, proj = 0;
unsigned short event = 0;
short mval[2], val, xo, yo, xn, yn, xc, yc;
char str[32];
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
min[0]= min[1]= 10000.0;
max[0]= max[1]= -10000.0;
calc_image_view(G.sima, 'f');
if(G.sima->image && G.sima->image->ibuf) {
xim= G.sima->image->ibuf->x;
yim= G.sima->image->ibuf->y;
}
else {
xim= yim= 256;
}
/* welke vertices doen mee */
for(a=me->totface, tface= me->tface, mface= me->mface; a>0; a--, tface++, mface++) {
if((tface->flag & TF_SELECT) && mface->v3) {
if(tface->flag & TF_SEL1) tot++;
if(tface->flag & TF_SEL2) tot++;
if(tface->flag & TF_SEL3) tot++;
if(tface->flag & TF_SEL4) tot++;
}
}
if(tot==0) return;
tv=transmain= MEM_callocN(tot*sizeof(TransVert), "transmain");
for(a=me->totface, tface= me->tface, mface= me->mface; a>0; a--, tface++, mface++) {
if((tface->flag & TF_SELECT) && mface->v3) {
if(tface->flag & TF_SEL1) {
tv->loc= tface->uv[0];
tv++;
}
if(tface->flag & TF_SEL2) {
tv->loc= tface->uv[1];
tv++;
}
if(tface->flag & TF_SEL3) {
tv->loc= tface->uv[2];
tv++;
}
if(tface->flag & TF_SEL4) {
tv->loc= tface->uv[3];
tv++;
}
}
}
a= tot;
tv= transmain;
while(a--) {
tv->oldloc[0]= tv->loc[0];
tv->oldloc[1]= tv->loc[1];
DO_MINMAX2(tv->loc, min, max);
tv++;
}
cent[0]= (min[0]+max[0])/2.0;
cent[1]= (min[1]+max[1])/2.0;
ipoco_to_areaco_noclip(G.v2d, cent, mval);
xc= mval[0];
yc= mval[1];
getmouseco_areawin(mval);
xo= xn= mval[0];
yo= yn= mval[1];
dvec[0]= dvec[1]= 0.0;
dx1= xc-xn;
dy1= yc-yn;
phi= 0.0;
sizefac= sqrt( (float)((yc-yn)*(yc-yn)+(xn-xc)*(xn-xc)) );
if(sizefac<2.0) sizefac= 2.0;
while(afbreek==0) {
getmouseco_areawin(mval);
if(mval[0]!=xo || mval[1]!=yo || firsttime) {
if(mode=='g') {
dx= mval[0]- xo;
dy= mval[1]- yo;
div= G.v2d->mask.xmax-G.v2d->mask.xmin;
dvec[0]+= (G.v2d->cur.xmax-G.v2d->cur.xmin)*(dx)/div;
div= G.v2d->mask.ymax-G.v2d->mask.ymin;
dvec[1]+= (G.v2d->cur.ymax-G.v2d->cur.ymin)*(dy)/div;
if(midtog) dvec[proj]= 0.0;
dvec2[0]= dvec[0];
dvec2[1]= dvec[1];
apply_keyb_grid(dvec2, 0.0, 1.0/8.0, 1.0/16.0, U.flag & AUTOGRABGRID);
apply_keyb_grid(dvec2+1, 0.0, 1.0/8.0, 1.0/16.0, U.flag & AUTOGRABGRID);
vec[0]= dvec2[0];
vec[1]= dvec2[1];
if(G.sima->flag & SI_CLIP_UV) {
if(vec[0]< -min[0]) vec[0]= -min[0];
if(vec[1]< -min[1]) vec[1]= -min[1];
if(vec[0]> 1.0-max[0]) vec[0]= 1.0-max[0];
if(vec[1]> 1.0-max[1]) vec[1]= 1.0-max[1];
}
tv= transmain;
for(a=0; a<tot; a++, tv++) {
x= tv->oldloc[0]+vec[0];
y= tv->oldloc[1]+vec[1];
sima_pixelgrid(tv->loc, x, y);
}
ivec[0]= (vec[0]*xim);
ivec[1]= (vec[1]*yim);
if(G.sima->flag & SI_BE_SQUARE) be_square_tface_uv(me);
sprintf(str, "X: %.4f Y: %.4f ", ivec[0], ivec[1]);
headerprint(str);
}
else if(mode=='r') {
dx2= xc-mval[0];
dy2= yc-mval[1];
div= sqrt( (dx1*dx1+dy1*dy1)*(dx2*dx2+dy2*dy2));
if(div>1.0) {
dphi= (dx1*dx2+dy1*dy2)/div;
dphi= saacos(dphi);
if( (dx1*dy2-dx2*dy1)<0.0 ) dphi= -dphi;
if(G.qual & LR_SHIFTKEY) phi+= dphi/30.0;
else phi+= dphi;
apply_keyb_grid(&phi, 0.0, (5.0/180)*M_PI, (1.0/180)*M_PI, U.flag & AUTOROTGRID);
dx1= dx2;
dy1= dy2;
co= cos(phi);
si= sin(phi);
asp= (float)yim/(float)xim;
tv= transmain;
for(a=0; a<tot; a++, tv++) {
x= ( co*( tv->oldloc[0]-cent[0]) - si*asp*(tv->oldloc[1]-cent[1]) ) +cent[0];
y= ( si*( tv->oldloc[0]-cent[0])/asp + co*(tv->oldloc[1]-cent[1]) ) +cent[1];
sima_pixelgrid(tv->loc, x, y);
if(G.sima->flag & SI_CLIP_UV) {
if(tv->loc[0]<0.0) tv->loc[0]= 0.0;
else if(tv->loc[0]>1.0) tv->loc[0]= 1.0;
if(tv->loc[1]<0.0) tv->loc[1]= 0.0;
else if(tv->loc[1]>1.0) tv->loc[1]= 1.0;
}
}
sprintf(str, "Rot: %.3f ", phi*180.0/M_PI);
headerprint(str);
}
}
else if(mode=='s') {
size[0]=size[1]= (sqrt( (float)((yc-mval[1])*(yc-mval[1])+(mval[0]-xc)*(mval[0]-xc)) ))/sizefac;
if(midtog) size[proj]= 1.0;
apply_keyb_grid(size, 0.0, 0.1, 0.01, U.flag & AUTOSIZEGRID);
apply_keyb_grid(size+1, 0.0, 0.1, 0.01, U.flag & AUTOSIZEGRID);
size[0]*= xref;
size[1]*= yref;
xtra[0]= xtra[1]= 0;
if(G.sima->flag & SI_CLIP_UV) {
/* boundbox limit: four step plan: XTRA X */
a=b= 0;
if(size[0]*(min[0]-cent[0]) + cent[0] + xtra[0] < 0)
a= -size[0]*(min[0]-cent[0]) - cent[0];
if(size[0]*(max[0]-cent[0]) + cent[0] + xtra[0] > 1.0)
b= 1.0 - size[0]*(max[0]-cent[0]) - cent[0];
xtra[0]= (a+b)/2;
/* SIZE X */
if(size[0]*(min[0]-cent[0]) + cent[0] + xtra[0] < 0)
size[0]= (-cent[0]-xtra[0])/(min[0]-cent[0]);
if(size[0]*(max[0]-cent[0]) + cent[0] +xtra[0] > 1.0)
size[0]= (1.0-cent[0]-xtra[0])/(max[0]-cent[0]);
/* XTRA Y */
a=b= 0;
if(size[1]*(min[1]-cent[1]) + cent[1] + xtra[1] < 0)
a= -size[1]*(min[1]-cent[1]) - cent[1];
if(size[1]*(max[1]-cent[1]) + cent[1] + xtra[1] > 1.0)
b= 1.0 - size[1]*(max[1]-cent[1]) - cent[1];
xtra[1]= (a+b)/2;
/* SIZE Y */
if(size[1]*(min[1]-cent[1]) + cent[1] +xtra[1] < 0)
size[1]= (-cent[1]-xtra[1])/(min[1]-cent[1]);
if(size[1]*(max[1]-cent[1]) + cent[1] + xtra[1]> 1.0)
size[1]= (1.0-cent[1]-xtra[1])/(max[1]-cent[1]);
}
/* if(midtog==0) { */
/* if(size[1]>size[0]) size[1]= size[0]; */
/* else if(size[0]>size[1]) size[0]= size[1]; */
/* } */
tv= transmain;
for(a=0; a<tot; a++, tv++) {
x= size[0]*(tv->oldloc[0]-cent[0])+ cent[0] + xtra[0];
y= size[1]*(tv->oldloc[1]-cent[1])+ cent[1] + xtra[1];
sima_pixelgrid(tv->loc, x, y);
}
sprintf(str, "sizeX: %.3f sizeY: %.3f ", size[0], size[1]);
headerprint(str);
}
xo= mval[0];
yo= mval[1];
if(G.sima->lock) force_draw_plus(SPACE_VIEW3D);
else force_draw();
firsttime= 0;
}
else BIF_wait_for_statechange();
while(qtest()) {
event= extern_qread(&val);
if(val) {
switch(event) {
case ESCKEY:
case RIGHTMOUSE:
case LEFTMOUSE:
case SPACEKEY:
case RETKEY:
afbreek= 1;
break;
case MIDDLEMOUSE:
midtog= ~midtog;
if(midtog) {
if( abs(mval[0]-xn) > abs(mval[1]-yn)) proj= 1;
else proj= 0;
firsttime= 1;
}
break;
case XKEY:
case YKEY:
if(event==XKEY) xref= -xref;
else yref= -yref;
firsttime= 1;
break;
default:
arrows_move_cursor(event);
}
}
if(afbreek) break;
}
}
if(event==ESCKEY || event == RIGHTMOUSE) {
tv= transmain;
for(a=0; a<tot; a++, tv++) {
tv->loc[0]= tv->oldloc[0];
tv->loc[1]= tv->oldloc[1];
}
}
MEM_freeN(transmain);
if(mode=='g') if(G.sima->flag & SI_BE_SQUARE) be_square_tface_uv(me);
allqueue(REDRAWVIEW3D, 0);
scrarea_queue_headredraw(curarea);
scrarea_queue_winredraw(curarea);
}
void select_swap_tface_uv(void)
{
Mesh *me;
TFace *tface;
MFace *mface;
int a, sel=0;
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
for(a=me->totface, tface= me->tface; a>0; a--, tface++) {
if(tface->flag & TF_SELECT) {
if(tface->flag & (TF_SEL1+TF_SEL2+TF_SEL3+TF_SEL4)) {
sel= 1;
break;
}
}
}
mface= me->mface;
for(a=me->totface, tface= me->tface; a>0; a--, tface++, mface++) {
if(tface->flag & TF_SELECT) {
if(mface->v4) {
if(sel) tface->flag &= ~(TF_SEL1+TF_SEL2+TF_SEL3+TF_SEL4);
else tface->flag |= (TF_SEL1+TF_SEL2+TF_SEL3+TF_SEL4);
}
else if(mface->v3) {
if(sel) tface->flag &= ~(TF_SEL1+TF_SEL2+TF_SEL3+TF_SEL4);
else tface->flag |= (TF_SEL1+TF_SEL2+TF_SEL3);
}
}
}
allqueue(REDRAWIMAGE, 0);
}
void mouse_select_sima(void)
{
Mesh *me;
TFace *tface;
MFace *mface;
int temp, dist=100;
int a;
short mval[2], uval[2], val = 0;
char *flagpoin =0;
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
getmouseco_areawin(mval);
mface= me->mface;
for(a=me->totface, tface= me->tface; a>0; a--, tface++, mface++) {
if(tface->flag & TF_SELECT) {
uvco_to_areaco_noclip(tface->uv[0], uval);
temp= abs(mval[0]- uval[0])+ abs(mval[1]- uval[1]);
if( tface->flag & TF_SEL1) temp+=5;
if(temp<dist) {
flagpoin= &tface->flag;
dist= temp;
val= TF_SEL1;
}
uvco_to_areaco_noclip(tface->uv[1], uval);
temp= abs(mval[0]- uval[0])+ abs(mval[1]- uval[1]);
if( tface->flag & TF_SEL2) temp+=5;
if(temp<dist) {
flagpoin= &tface->flag;
dist= temp;
val= TF_SEL2;
}
uvco_to_areaco_noclip(tface->uv[2], uval);
temp= abs(mval[0]- uval[0])+ abs(mval[1]- uval[1]);
if( tface->flag & TF_SEL3) temp+=5;
if(temp<dist) {
flagpoin= &tface->flag;
dist= temp;
val= TF_SEL3;
}
if(mface->v4) {
uvco_to_areaco_noclip(tface->uv[3], uval);
temp= abs(mval[0]- uval[0])+ abs(mval[1]- uval[1]);
if( tface->flag & TF_SEL4) temp+=5;
if(temp<dist) {
flagpoin= &tface->flag;
dist= temp;
val= TF_SEL4;
}
}
}
}
if(flagpoin) {
if(G.qual & LR_SHIFTKEY) {
if(*flagpoin & val) *flagpoin &= ~val;
else *flagpoin |= val;
}
else {
for(a=me->totface, tface= me->tface; a>0; a--, tface++) {
if(tface->flag & TF_SELECT) {
tface->flag &= ~(TF_SEL1+TF_SEL2+TF_SEL3+TF_SEL4);
}
}
*flagpoin |= val;
}
glDrawBuffer(GL_FRONT);
draw_tfaces();
glDrawBuffer(GL_BACK);
std_rmouse_transform(transform_tface_uv);
}
}
void borderselect_sima(void)
{
Mesh *me;
TFace *tface;
MFace *mface;
rcti rect;
rctf rectf;
int a, val;
short mval[2];
if( is_uv_tface_editing_allowed()==0 ) return;
me= get_mesh(OBACT);
val= get_border(&rect, 3);
if(val) {
mval[0]= rect.xmin;
mval[1]= rect.ymin;
areamouseco_to_ipoco(G.v2d, mval, &rectf.xmin, &rectf.ymin);
mval[0]= rect.xmax;
mval[1]= rect.ymax;
areamouseco_to_ipoco(G.v2d, mval, &rectf.xmax, &rectf.ymax);
mface= me->mface;
for(a=me->totface, tface= me->tface; a>0; a--, tface++, mface++) {
if(tface->flag & TF_SELECT) {
if(BLI_in_rctf(&rectf, (float)tface->uv[0][0], (float)tface->uv[0][1])) {
if(val==LEFTMOUSE) tface->flag |= TF_SEL1;
else tface->flag &= ~TF_SEL1;
}
if(BLI_in_rctf(&rectf, (float)tface->uv[1][0], (float)tface->uv[1][1])) {
if(val==LEFTMOUSE) tface->flag |= TF_SEL2;
else tface->flag &= ~TF_SEL2;
}
if(BLI_in_rctf(&rectf, (float)tface->uv[2][0], (float)tface->uv[2][1])) {
if(val==LEFTMOUSE) tface->flag |= TF_SEL3;
else tface->flag &= ~TF_SEL3;
}
if(mface->v4 && BLI_in_rctf(&rectf, (float)tface->uv[3][0], (float)tface->uv[3][1])) {
if(val==LEFTMOUSE) tface->flag |= TF_SEL4;
else tface->flag &= ~TF_SEL4;
}
}
}
scrarea_queue_winredraw(curarea);
}
}
/** This is an ugly function to set the Tface selection flags depending
* on whether its UV coordinates are inside the normalized
* area with radius rad and offset offset. These coordinates must be
* normalized to 1.0
* Just for readability...
*/
void sel_uvco_inside_radius(short sel, TFace *tface, int index, float *offset, float *ell, short select_mask)
{
// normalized ellipse: ell[0] = scaleX,
// [1] = scaleY
float *uv = tface->uv[index];
float x, y, r2;
x = (uv[0] - offset[0]) * ell[0];
y = (uv[1] - offset[1]) * ell[1];
r2 = x * x + y * y;
if (r2 < 1.0) {
if (sel == LEFTMOUSE) tface->flag |= select_mask;
else tface->flag &= ~select_mask;
}
}
// see below:
/** gets image dimensions of the 2D view 'v' */
static void getSpaceImageDimension(SpaceImage *sima, float *xy)
{
Image *img = sima->image;
float z;
z = sima->zoom;
if (img) {
xy[0] = img->ibuf->x * z;
xy[1] = img->ibuf->y * z;
} else {
xy[0] = 256 * z;
xy[1] = 256 * z;
}
}
/** Callback function called by circle_selectCB to enable
* brush select in UV editor.
*/
void uvedit_selectionCB(short selecting, Object *editobj, short *mval, float rad)
{
float offset[2];
Mesh *me;
MFace *mface;
TFace *tface;
int i;
float ellipse[2]; // we need to deal with ellipses, as
// non square textures require for circle
// selection. this ellipse is normalized; r = 1.0
me = get_mesh(editobj);
getSpaceImageDimension(curarea->spacedata.first, ellipse);
ellipse[0] /= rad;
ellipse[1] /= rad;
areamouseco_to_ipoco(G.v2d, mval, &offset[0], &offset[1]);
mface= me->mface;
tface= me->tface;
if (selecting) {
for(i = 0; i < me->totface; i++) {
sel_uvco_inside_radius(selecting, tface, 0, offset, ellipse, TF_SEL1);
sel_uvco_inside_radius(selecting, tface, 1, offset, ellipse, TF_SEL2);
sel_uvco_inside_radius(selecting, tface, 2, offset, ellipse, TF_SEL3);
if (mface->v4)
sel_uvco_inside_radius(selecting, tface, 3, offset, ellipse, TF_SEL4);
tface++; mface++;
}
// force_draw() is no good here...
glDrawBuffer(GL_FRONT);
draw_tfaces();
glDrawBuffer(GL_BACK);
}
}
void mouseco_to_curtile(void)
{
float fx, fy;
short mval[2];
if( is_uv_tface_editing_allowed()==0) return;
if(G.sima->image && G.sima->image->tpageflag & IMA_TILES) {
G.sima->flag |= SI_EDITTILE;
while(get_mbut()&L_MOUSE) {
calc_image_view(G.sima, 'f');
getmouseco_areawin(mval);
areamouseco_to_ipoco(G.v2d, mval, &fx, &fy);
if(fx>=0.0 && fy>=0.0 && fx<1.0 && fy<1.0) {
fx= (fx)*G.sima->image->xrep;
fy= (fy)*G.sima->image->yrep;
mval[0]= fx;
mval[1]= fy;
G.sima->curtile= mval[1]*G.sima->image->xrep + mval[0];
}
scrarea_do_windraw(curarea);
screen_swapbuffers();
}
G.sima->flag &= ~SI_EDITTILE;
image_changed(G.sima, 1);
allqueue(REDRAWVIEW3D, 0);
scrarea_queue_winredraw(curarea);
}
}
View Git Blame Copy Permalink