struct chartrans *BKE_text_to_curve(Main *bmain, Scene *scene, Object *ob, int mode)
{
VFont *vfont, *oldvfont;
VFontData *vfd= NULL;
Curve *cu;
CharInfo *info = NULL, *custrinfo;
TextBox *tb;
VChar *che;
struct chartrans *chartransdata=NULL, *ct;
float *f, xof, yof, xtrax, linedist, *linedata, *linedata2, *linedata3, *linedata4;
float twidth, maxlen= 0;
int i, slen, j;
int curbox;
int selstart, selend;
int utf8len;
short cnr=0, lnr=0, wsnr= 0;
wchar_t *mem, *tmp, ascii;
/* renark: do calculations including the trailing '\0' of a string
* because the cursor can be at that location */
if (ob->type!=OB_FONT) return NULL;
// Set font data
cu= (Curve *) ob->data;
vfont= cu->vfont;
if (cu->str == NULL) return NULL;
if (vfont == NULL) return NULL;
// Create unicode string
utf8len = BLI_strlen_utf8(cu->str);
mem = MEM_callocN(((utf8len + 1) * sizeof(wchar_t)), "convertedmem");
BLI_strncpy_wchar_from_utf8(mem, cu->str, utf8len + 1);
// Count the wchar_t string length
slen = wcslen(mem);
if (cu->ulheight == 0.0f)
cu->ulheight = 0.05f;
if (cu->strinfo==NULL) /* old file */
cu->strinfo = MEM_callocN((slen+4) * sizeof(CharInfo), "strinfo compat");
custrinfo= cu->strinfo;
if (cu->editfont)
custrinfo= cu->editfont->textbufinfo;
if (cu->tb==NULL)
cu->tb= MEM_callocN(MAXTEXTBOX*sizeof(TextBox), "TextBox compat");
vfd= vfont_get_data(bmain, vfont);
/* The VFont Data can not be found */
if (!vfd) {
if (mem)
MEM_freeN(mem);
return NULL;
}
/* calc offset and rotation of each char */
ct = chartransdata =
(struct chartrans*)MEM_callocN((slen+1)* sizeof(struct chartrans),"buildtext");
/* We assume the worst case: 1 character per line (is freed at end anyway) */
linedata= MEM_mallocN(sizeof(float)*(slen*2 + 1),"buildtext2");
linedata2= MEM_mallocN(sizeof(float)*(slen*2 + 1),"buildtext3");
linedata3= MEM_callocN(sizeof(float)*(slen*2 + 1),"buildtext4");
linedata4= MEM_callocN(sizeof(float)*(slen*2 + 1),"buildtext5");
linedist= cu->linedist;
xof= cu->xof + (cu->tb[0].x/cu->fsize);
yof= cu->yof + (cu->tb[0].y/cu->fsize);
xtrax= 0.5f*cu->spacing-0.5f;
oldvfont = NULL;
for (i=0; i<slen; i++) custrinfo[i].flag &= ~(CU_CHINFO_WRAP|CU_CHINFO_SMALLCAPS_CHECK);
if (cu->selboxes) MEM_freeN(cu->selboxes);
cu->selboxes = NULL;
if (BKE_font_getselection(ob, &selstart, &selend))
cu->selboxes = MEM_callocN((selend-selstart+1)*sizeof(SelBox), "font selboxes");
tb = &(cu->tb[0]);
curbox= 0;
for (i = 0 ; i<=slen ; i++) {
makebreak:
// Characters in the list
info = &(custrinfo[i]);
ascii = mem[i];
if (info->flag & CU_CHINFO_SMALLCAPS) {
ascii = towupper(ascii);
if (mem[i] != ascii) {
mem[i]= ascii;
info->flag |= CU_CHINFO_SMALLCAPS_CHECK;
}
}
vfont = which_vfont(cu, info);
if (vfont==NULL) break;
che= find_vfont_char(vfd, ascii);
/*
* The character wasn't in the current curve base so load it
* But if the font is FO_BUILTIN_NAME then do not try loading since
* whole font is in the memory already
*/
if (che == NULL && strcmp(vfont->name, FO_BUILTIN_NAME)) {
BLI_vfontchar_from_freetypefont(vfont, ascii);
}
/* Try getting the character again from the list */
che= find_vfont_char(vfd, ascii);
/* No VFont found */
if (vfont==NULL) {
if (mem)
MEM_freeN(mem);
MEM_freeN(chartransdata);
return NULL;
}
if (vfont != oldvfont) {
vfd= vfont_get_data(bmain, vfont);
oldvfont = vfont;
}
/* VFont Data for VFont couldn't be found */
if (!vfd) {
if (mem)
MEM_freeN(mem);
MEM_freeN(chartransdata);
return NULL;
}
twidth = char_width(cu, che, info);
// Calculate positions
if ((tb->w != 0.0f) && (ct->dobreak==0) && ((xof-(tb->x/cu->fsize)+twidth)*cu->fsize) > tb->w + cu->xof*cu->fsize) {
// fprintf(stderr, "linewidth exceeded: %c%c%c...\n", mem[i], mem[i+1], mem[i+2]);
for (j=i; j && (mem[j] != '\n') && (mem[j] != '\r') && (chartransdata[j].dobreak==0); j--) {
if (mem[j]==' ' || mem[j]=='-') {
ct -= (i-(j-1));
cnr -= (i-(j-1));
if (mem[j] == ' ') wsnr--;
if (mem[j] == '-') wsnr++;
i = j-1;
xof = ct->xof;
ct[1].dobreak = 1;
custrinfo[i+1].flag |= CU_CHINFO_WRAP;
goto makebreak;
}
if (chartransdata[j].dobreak) {
// fprintf(stderr, "word too long: %c%c%c...\n", mem[j], mem[j+1], mem[j+2]);
ct->dobreak= 1;
custrinfo[i+1].flag |= CU_CHINFO_WRAP;
ct -= 1;
cnr -= 1;
i--;
xof = ct->xof;
goto makebreak;
}
}
}
if (ascii== '\n' || ascii== '\r' || ascii==0 || ct->dobreak) {
ct->xof= xof;
ct->yof= yof;
ct->linenr= lnr;
ct->charnr= cnr;
yof-= linedist;
maxlen= MAX2(maxlen, (xof-tb->x/cu->fsize));
linedata[lnr]= xof-tb->x/cu->fsize;
linedata2[lnr]= cnr;
linedata3[lnr]= tb->w/cu->fsize;
linedata4[lnr]= wsnr;
if ( (tb->h != 0.0f) &&
((-(yof-(tb->y/cu->fsize))) > ((tb->h/cu->fsize)-(linedist*cu->fsize)) - cu->yof) &&
(cu->totbox > (curbox+1)) ) {
maxlen= 0;
tb++;
curbox++;
yof= cu->yof + tb->y/cu->fsize;
}
/* XXX, has been unused for years, need to check if this is useful, r4613 r5282 - campbell */
#if 0
if (ascii == '\n' || ascii == '\r')
xof = cu->xof;
else
xof= cu->xof + (tb->x/cu->fsize);
#else
xof= cu->xof + (tb->x/cu->fsize);
#endif
lnr++;
cnr= 0;
wsnr= 0;
}
else if (ascii==9) { /* TAB */
float tabfac;
ct->xof= xof;
ct->yof= yof;
ct->linenr= lnr;
ct->charnr= cnr++;
tabfac= (xof-cu->xof+0.01f);
tabfac= 2.0f*ceilf(tabfac/2.0f);
xof= cu->xof+tabfac;
}
else {
SelBox *sb= NULL;
float wsfac;
ct->xof= xof;
ct->yof= yof;
ct->linenr= lnr;
ct->charnr= cnr++;
if (cu->selboxes && (i>=selstart) && (i<=selend)) {
sb = &(cu->selboxes[i-selstart]);
sb->y = yof*cu->fsize-linedist*cu->fsize*0.1f;
sb->h = linedist*cu->fsize;
sb->w = xof*cu->fsize;
}
if (ascii==32) {
wsfac = cu->wordspace;
wsnr++;
}
else wsfac = 1.0f;
// Set the width of the character
twidth = char_width(cu, che, info);
xof += (twidth*wsfac*(1.0f+(info->kern/40.0f)) ) + xtrax;
if (sb)
sb->w = (xof*cu->fsize) - sb->w;
}
ct++;
}
cu->lines= 1;
ct= chartransdata;
tmp = mem;
for (i= 0; i<=slen; i++, tmp++, ct++) {
ascii = *tmp;
if (ascii== '\n' || ascii== '\r' || ct->dobreak) cu->lines++;
}
// linedata is now: width of line
// linedata2 is now: number of characters
// linedata3 is now: maxlen of that line
// linedata4 is now: number of whitespaces of line
if (cu->spacemode!=CU_LEFT) {
ct= chartransdata;
if (cu->spacemode==CU_RIGHT) {
for (i=0;i<lnr;i++) linedata[i]= linedata3[i]-linedata[i];
for (i=0; i<=slen; i++) {
ct->xof+= linedata[ct->linenr];
ct++;
}
}
else if (cu->spacemode==CU_MIDDLE) {
for (i=0;i<lnr;i++) linedata[i]= (linedata3[i]-linedata[i])/2;
for (i=0; i<=slen; i++) {
ct->xof+= linedata[ct->linenr];
ct++;
}
}
else if ((cu->spacemode==CU_FLUSH) &&
(cu->tb[0].w != 0.0f)) {
for (i=0;i<lnr;i++)
if (linedata2[i]>1)
linedata[i]= (linedata3[i]-linedata[i])/(linedata2[i]-1);
for (i=0; i<=slen; i++) {
for (j=i; (!ELEM3(mem[j], '\0', '\n', '\r')) && (chartransdata[j].dobreak == 0) && (j < slen); j++) {
/* do nothing */
}
// if ((mem[j]!='\r') && (mem[j]!='\n') && (mem[j])) {
ct->xof+= ct->charnr*linedata[ct->linenr];
// }
ct++;
}
}
else if ((cu->spacemode==CU_JUSTIFY) && (cu->tb[0].w != 0.0f)) {
float curofs= 0.0f;
for (i=0; i<=slen; i++) {
for (j=i; (mem[j]) && (mem[j]!='\n') &&
(mem[j]!='\r') && (chartransdata[j].dobreak==0) && (j<slen); j++);
if ((mem[j]!='\r') && (mem[j]!='\n') &&
((chartransdata[j].dobreak!=0))) {
if (mem[i]==' ') curofs += (linedata3[ct->linenr]-linedata[ct->linenr])/linedata4[ct->linenr];
ct->xof+= curofs;
}
if (mem[i]=='\n' || mem[i]=='\r' || chartransdata[i].dobreak) curofs= 0;
ct++;
}
}
}
/* TEXT ON CURVE */
/* Note: Only OB_CURVE objects could have a path */
if (cu->textoncurve && cu->textoncurve->type==OB_CURVE) {
Curve *cucu= cu->textoncurve->data;
int oldflag= cucu->flag;
cucu->flag |= (CU_PATH+CU_FOLLOW);
if (cucu->path==NULL) makeDispListCurveTypes(scene, cu->textoncurve, 0);
if (cucu->path) {
float distfac, imat[4][4], imat3[3][3], cmat[3][3];
float minx, maxx, miny, maxy;
float timeofs, sizefac;
invert_m4_m4(imat, ob->obmat);
copy_m3_m4(imat3, imat);
copy_m3_m4(cmat, cu->textoncurve->obmat);
mul_m3_m3m3(cmat, cmat, imat3);
sizefac= normalize_v3(cmat[0])/cu->fsize;
minx=miny= 1.0e20f;
maxx=maxy= -1.0e20f;
ct= chartransdata;
for (i=0; i<=slen; i++, ct++) {
if (minx>ct->xof) minx= ct->xof;
if (maxx<ct->xof) maxx= ct->xof;
if (miny>ct->yof) miny= ct->yof;
if (maxy<ct->yof) maxy= ct->yof;
}
/* we put the x-coordinaat exact at the curve, the y is rotated */
/* length correction */
distfac= sizefac*cucu->path->totdist/(maxx-minx);
timeofs= 0.0f;
if (distfac > 1.0f) {
/* path longer than text: spacemode involves */
distfac= 1.0f/distfac;
if (cu->spacemode==CU_RIGHT) {
timeofs= 1.0f-distfac;
}
else if (cu->spacemode==CU_MIDDLE) {
timeofs= (1.0f-distfac)/2.0f;
}
else if (cu->spacemode==CU_FLUSH) distfac= 1.0f;
}
else distfac= 1.0;
distfac/= (maxx-minx);
timeofs+= distfac*cu->xof; /* not cyclic */
ct= chartransdata;
for (i=0; i<=slen; i++, ct++) {
float ctime, dtime, vec[4], tvec[4], rotvec[3];
float si, co;
/* rotate around center character */
ascii = mem[i];
che= find_vfont_char(vfd, ascii);
twidth = char_width(cu, che, info);
dtime= distfac*0.5f*twidth;
ctime= timeofs + distfac*( ct->xof - minx);
CLAMP(ctime, 0.0f, 1.0f);
/* calc the right loc AND the right rot separately */
/* vec, tvec need 4 items */
where_on_path(cu->textoncurve, ctime, vec, tvec, NULL, NULL, NULL);
where_on_path(cu->textoncurve, ctime+dtime, tvec, rotvec, NULL, NULL, NULL);
mul_v3_fl(vec, sizefac);
ct->rot= (float)(M_PI-atan2(rotvec[1], rotvec[0]));
si= (float)sin(ct->rot);
co= (float)cos(ct->rot);
yof= ct->yof;
ct->xof= vec[0] + si*yof;
ct->yof= vec[1] + co*yof;
}
cucu->flag= oldflag;
}
}
if (cu->selboxes) {
ct= chartransdata;
for (i=0; i<=selend; i++, ct++) {
if (i>=selstart) {
cu->selboxes[i-selstart].x = ct->xof*cu->fsize;
cu->selboxes[i-selstart].y = ct->yof*cu->fsize;
}
}
}
if (mode==FO_CURSUP || mode==FO_CURSDOWN || mode==FO_PAGEUP || mode==FO_PAGEDOWN) {
/* 2: curs up
* 3: curs down */
ct= chartransdata+cu->pos;
if ((mode==FO_CURSUP || mode==FO_PAGEUP) && ct->linenr==0);
else if ((mode==FO_CURSDOWN || mode==FO_PAGEDOWN) && ct->linenr==lnr);
else {
switch(mode) {
case FO_CURSUP: lnr= ct->linenr-1; break;
case FO_CURSDOWN: lnr= ct->linenr+1; break;
case FO_PAGEUP: lnr= ct->linenr-10; break;
case FO_PAGEDOWN: lnr= ct->linenr+10; break;
}
cnr= ct->charnr;
/* seek for char with lnr en cnr */
cu->pos= 0;
ct= chartransdata;
for (i= 0; i<slen; i++) {
if (ct->linenr==lnr) {
if (ct->charnr==cnr) break;
if ( (ct+1)->charnr==0) break;
}
else if (ct->linenr>lnr) break;
cu->pos++;
ct++;
}
}
}
/* cursor first */
if (cu->editfont) {
float si, co;
ct= chartransdata+cu->pos;
si= (float)sin(ct->rot);
co= (float)cos(ct->rot);
f= cu->editfont->textcurs[0];
f[0]= cu->fsize*(-0.1f*co + ct->xof);
f[1]= cu->fsize*(0.1f*si + ct->yof);
f[2]= cu->fsize*(0.1f*co + ct->xof);
f[3]= cu->fsize*(-0.1f*si + ct->yof);
f[4]= cu->fsize*( 0.1f*co + 0.8f*si + ct->xof);
f[5]= cu->fsize*(-0.1f*si + 0.8f*co + ct->yof);
f[6]= cu->fsize*(-0.1f*co + 0.8f*si + ct->xof);
f[7]= cu->fsize*( 0.1f*si + 0.8f*co + ct->yof);
}
MEM_freeN(linedata);
MEM_freeN(linedata2);
MEM_freeN(linedata3);
MEM_freeN(linedata4);
if (mode == FO_SELCHANGE) {
MEM_freeN(chartransdata);
MEM_freeN(mem);
return NULL;
}
if (mode == FO_EDIT) {
/* make nurbdata */
freeNurblist(&cu->nurb);
ct= chartransdata;
if (cu->sepchar==0) {
for (i= 0; i<slen; i++) {
unsigned long cha = (uintptr_t) mem[i];
info = &(custrinfo[i]);
if (info->mat_nr > (ob->totcol)) {
/* printf("Error: Illegal material index (%d) in text object, setting to 0\n", info->mat_nr); */
info->mat_nr = 0;
}
// We do not want to see any character for \n or \r
if (cha != '\n' && cha != '\r')
buildchar(bmain, cu, cha, info, ct->xof, ct->yof, ct->rot, i);
if ((info->flag & CU_CHINFO_UNDERLINE) && (cu->textoncurve == NULL) && (cha != '\n') && (cha != '\r')) {
float ulwidth, uloverlap= 0.0f;
if ( (i<(slen-1)) && (mem[i+1] != '\n') && (mem[i+1] != '\r') &&
((mem[i+1] != ' ') || (custrinfo[i+1].flag & CU_CHINFO_UNDERLINE)) && ((custrinfo[i+1].flag & CU_CHINFO_WRAP)==0)
) {
uloverlap = xtrax + 0.1f;
}
// Find the character, the characters has to be in the memory already
// since character checking has been done earlier already.
che= find_vfont_char(vfd, cha);
twidth = char_width(cu, che, info);
ulwidth = cu->fsize * ((twidth* (1.0f+(info->kern/40.0f)))+uloverlap);
build_underline(cu, ct->xof*cu->fsize, ct->yof*cu->fsize + (cu->ulpos-0.05f)*cu->fsize,
ct->xof*cu->fsize + ulwidth,
ct->yof*cu->fsize + (cu->ulpos-0.05f)*cu->fsize - cu->ulheight*cu->fsize,
i, info->mat_nr);
}
ct++;
}
}
else {
int outta = 0;
for (i= 0; (i<slen) && (outta==0); i++) {
ascii = mem[i];
info = &(custrinfo[i]);
if (cu->sepchar == (i+1)) {
float vecyo[3];
vecyo[0]= ct->xof;
vecyo[1]= ct->yof;
vecyo[2]= 0.0f;
mem[0] = ascii;
mem[1] = 0;
custrinfo[0]= *info;
cu->pos = 1;
cu->len = 1;
mul_v3_m4v3(ob->loc, ob->obmat, vecyo);
outta = 1;
cu->sepchar = 0;
}
ct++;
}
}
}
if (mode==FO_DUPLI) {
MEM_freeN(mem);
return chartransdata;
}
if (mem)
MEM_freeN(mem);
MEM_freeN(chartransdata);
return NULL;
}
/* call BPY_context_set first */
void BPY_python_start(int argc, const char **argv)
{
#ifndef WITH_PYTHON_MODULE
PyThreadState *py_tstate = NULL;
/* not essential but nice to set our name */
static wchar_t program_path_wchar[FILE_MAX]; /* python holds a reference */
BLI_strncpy_wchar_from_utf8(program_path_wchar, BLI_program_path(), sizeof(program_path_wchar) / sizeof(wchar_t));
Py_SetProgramName(program_path_wchar);
/* must run before python initializes */
PyImport_ExtendInittab(bpy_internal_modules);
/* allow to use our own included python */
PyC_SetHomePath(BLI_get_folder(BLENDER_SYSTEM_PYTHON, NULL));
/* without this the sys.stdout may be set to 'ascii'
* (it is on my system at least), where printing unicode values will raise
* an error, this is highly annoying, another stumbling block for devs,
* so use a more relaxed error handler and enforce utf-8 since the rest of
* blender is utf-8 too - campbell */
BLI_setenv("PYTHONIOENCODING", "utf-8:surrogateescape");
/* Python 3.2 now looks for '2.xx/python/include/python3.2d/pyconfig.h' to
* parse from the 'sysconfig' module which is used by 'site',
* so for now disable site. alternatively we could copy the file. */
Py_NoSiteFlag = 1;
Py_Initialize();
// PySys_SetArgv(argc, argv); // broken in py3, not a huge deal
/* sigh, why do python guys not have a (char **) version anymore? */
{
int i;
PyObject *py_argv = PyList_New(argc);
for (i = 0; i < argc; i++) {
/* should fix bug #20021 - utf path name problems, by replacing
* PyUnicode_FromString, with this one */
PyList_SET_ITEM(py_argv, i, PyC_UnicodeFromByte(argv[i]));
}
PySys_SetObject("argv", py_argv);
Py_DECREF(py_argv);
}
/* Initialize thread support (also acquires lock) */
PyEval_InitThreads();
#else
(void)argc;
(void)argv;
/* must run before python initializes */
PyImport_ExtendInittab(bpy_internal_modules);
#endif
bpy_intern_string_init();
/* bpy.* and lets us import it */
BPy_init_modules();
bpy_import_init(PyEval_GetBuiltins());
pyrna_alloc_types();
#ifndef WITH_PYTHON_MODULE
/* py module runs atexit when bpy is freed */
BPY_atexit_register(); /* this can init any time */
py_tstate = PyGILState_GetThisThreadState();
PyEval_ReleaseThread(py_tstate);
#endif
}
/* call BPY_context_set first */
void BPY_python_start(int argc, const char **argv)
{
#ifndef WITH_PYTHON_MODULE
PyThreadState *py_tstate = NULL;
const char *py_path_bundle = BKE_appdir_folder_id(BLENDER_SYSTEM_PYTHON, NULL);
/* not essential but nice to set our name */
static wchar_t program_path_wchar[FILE_MAX]; /* python holds a reference */
BLI_strncpy_wchar_from_utf8(program_path_wchar, BKE_appdir_program_path(), ARRAY_SIZE(program_path_wchar));
Py_SetProgramName(program_path_wchar);
/* must run before python initializes */
PyImport_ExtendInittab(bpy_internal_modules);
/* allow to use our own included python */
PyC_SetHomePath(py_path_bundle);
/* without this the sys.stdout may be set to 'ascii'
* (it is on my system at least), where printing unicode values will raise
* an error, this is highly annoying, another stumbling block for devs,
* so use a more relaxed error handler and enforce utf-8 since the rest of
* blender is utf-8 too - campbell */
Py_SetStandardStreamEncoding("utf-8", "surrogateescape");
/* Update, Py3.3 resolves attempting to parse non-existing header */
#if 0
/* Python 3.2 now looks for '2.xx/python/include/python3.2d/pyconfig.h' to
* parse from the 'sysconfig' module which is used by 'site',
* so for now disable site. alternatively we could copy the file. */
if (py_path_bundle) {
Py_NoSiteFlag = 1;
}
#endif
Py_FrozenFlag = 1;
Py_Initialize();
// PySys_SetArgv(argc, argv); /* broken in py3, not a huge deal */
/* sigh, why do python guys not have a (char **) version anymore? */
{
int i;
PyObject *py_argv = PyList_New(argc);
for (i = 0; i < argc; i++) {
/* should fix bug #20021 - utf path name problems, by replacing
* PyUnicode_FromString, with this one */
PyList_SET_ITEM(py_argv, i, PyC_UnicodeFromByte(argv[i]));
}
PySys_SetObject("argv", py_argv);
Py_DECREF(py_argv);
}
/* Initialize thread support (also acquires lock) */
PyEval_InitThreads();
#else
(void)argc;
(void)argv;
/* must run before python initializes */
/* broken in py3.3, load explicitly below */
// PyImport_ExtendInittab(bpy_internal_modules);
#endif
bpy_intern_string_init();
#ifdef WITH_PYTHON_MODULE
{
/* Manually load all modules */
struct _inittab *inittab_item;
PyObject *sys_modules = PyImport_GetModuleDict();
for (inittab_item = bpy_internal_modules; inittab_item->name; inittab_item++) {
PyObject *mod = inittab_item->initfunc();
if (mod) {
PyDict_SetItemString(sys_modules, inittab_item->name, mod);
}
else {
PyErr_Print();
PyErr_Clear();
}
// Py_DECREF(mod); /* ideally would decref, but in this case we never want to free */
}
}
#endif
/* bpy.* and lets us import it */
BPy_init_modules();
bpy_import_init(PyEval_GetBuiltins());
pyrna_alloc_types();
#ifndef WITH_PYTHON_MODULE
/* py module runs atexit when bpy is freed */
BPY_atexit_register(); /* this can init any time */
py_tstate = PyGILState_GetThisThreadState();
PyEval_ReleaseThread(py_tstate);
#endif
}
