Campbell Barton
be980b9f7d
Logic here was very stupid, texboxes would have their initial locations scaled by font size but not their width/height. Now its possible to change font size while keeping the textbox layout. Other fixes - tab character didn't work properly with textboxes. - memory leak when VFontData was missing.
1186 lines
28 KiB
C
1186 lines
28 KiB
C
/*
|
|
* ***** 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) 2001-2002 by NaN Holding BV.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): none yet.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file blender/blenkernel/intern/font.c
|
|
* \ingroup bke
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
#include <wctype.h>
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "BLI_utildefines.h"
|
|
#include "BLI_path_util.h"
|
|
#include "BLI_listbase.h"
|
|
#include "BLI_ghash.h"
|
|
#include "BLI_string.h"
|
|
#include "BLI_string_utf8.h"
|
|
#include "BLI_math.h"
|
|
#include "BLI_threads.h"
|
|
#include "BLI_vfontdata.h"
|
|
|
|
#include "DNA_packedFile_types.h"
|
|
#include "DNA_curve_types.h"
|
|
#include "DNA_vfont_types.h"
|
|
#include "DNA_object_types.h"
|
|
|
|
#include "BKE_packedFile.h"
|
|
#include "BKE_library.h"
|
|
#include "BKE_font.h"
|
|
#include "BKE_global.h"
|
|
#include "BKE_main.h"
|
|
#include "BKE_anim.h"
|
|
#include "BKE_curve.h"
|
|
|
|
static ThreadRWMutex vfont_rwlock = BLI_RWLOCK_INITIALIZER;
|
|
|
|
/* The vfont code */
|
|
void BKE_vfont_free_data(struct VFont *vfont)
|
|
{
|
|
if (vfont->data) {
|
|
if (vfont->data->characters) {
|
|
GHashIterator gh_iter;
|
|
GHASH_ITER (gh_iter, vfont->data->characters) {
|
|
VChar *che = BLI_ghashIterator_getValue(&gh_iter);
|
|
|
|
while (che->nurbsbase.first) {
|
|
Nurb *nu = che->nurbsbase.first;
|
|
if (nu->bezt) MEM_freeN(nu->bezt);
|
|
BLI_freelinkN(&che->nurbsbase, nu);
|
|
}
|
|
|
|
MEM_freeN(che);
|
|
}
|
|
|
|
BLI_ghash_free(vfont->data->characters, NULL, NULL);
|
|
}
|
|
|
|
MEM_freeN(vfont->data);
|
|
vfont->data = NULL;
|
|
}
|
|
|
|
if (vfont->temp_pf) {
|
|
freePackedFile(vfont->temp_pf); /* NULL when the font file can't be found on disk */
|
|
vfont->temp_pf = NULL;
|
|
}
|
|
}
|
|
|
|
void BKE_vfont_free(struct VFont *vf)
|
|
{
|
|
if (vf == NULL) return;
|
|
|
|
BKE_vfont_free_data(vf);
|
|
|
|
if (vf->packedfile) {
|
|
freePackedFile(vf->packedfile);
|
|
vf->packedfile = NULL;
|
|
}
|
|
}
|
|
|
|
static void *builtin_font_data = NULL;
|
|
static int builtin_font_size = 0;
|
|
|
|
bool BKE_vfont_is_builtin(struct VFont *vfont)
|
|
{
|
|
return STREQ(vfont->name, FO_BUILTIN_NAME);
|
|
}
|
|
|
|
void BKE_vfont_builtin_register(void *mem, int size)
|
|
{
|
|
builtin_font_data = mem;
|
|
builtin_font_size = size;
|
|
}
|
|
|
|
static PackedFile *get_builtin_packedfile(void)
|
|
{
|
|
if (!builtin_font_data) {
|
|
printf("Internal error, builtin font not loaded\n");
|
|
|
|
return NULL;
|
|
}
|
|
else {
|
|
void *mem = MEM_mallocN(builtin_font_size, "vfd_builtin");
|
|
|
|
memcpy(mem, builtin_font_data, builtin_font_size);
|
|
|
|
return newPackedFileMemory(mem, builtin_font_size);
|
|
}
|
|
}
|
|
|
|
static VFontData *vfont_get_data(Main *bmain, VFont *vfont)
|
|
{
|
|
if (vfont == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
/* And then set the data */
|
|
if (!vfont->data) {
|
|
PackedFile *pf;
|
|
|
|
BLI_rw_mutex_lock(&vfont_rwlock, THREAD_LOCK_WRITE);
|
|
|
|
if (vfont->data) {
|
|
/* Check data again, since it might have been already
|
|
* initialized from other thread (previous check is
|
|
* not accurate or threading, just prevents unneeded
|
|
* lock if all the data is here for sure).
|
|
*/
|
|
BLI_rw_mutex_unlock(&vfont_rwlock);
|
|
return vfont->data;
|
|
}
|
|
|
|
if (BKE_vfont_is_builtin(vfont)) {
|
|
pf = get_builtin_packedfile();
|
|
}
|
|
else {
|
|
if (vfont->packedfile) {
|
|
pf = vfont->packedfile;
|
|
|
|
/* We need to copy a tmp font to memory unless it is already there */
|
|
if (vfont->temp_pf == NULL) {
|
|
vfont->temp_pf = dupPackedFile(pf);
|
|
}
|
|
}
|
|
else {
|
|
pf = newPackedFile(NULL, vfont->name, ID_BLEND_PATH(bmain, &vfont->id));
|
|
|
|
if (vfont->temp_pf == NULL) {
|
|
vfont->temp_pf = newPackedFile(NULL, vfont->name, ID_BLEND_PATH(bmain, &vfont->id));
|
|
}
|
|
}
|
|
if (!pf) {
|
|
printf("Font file doesn't exist: %s\n", vfont->name);
|
|
|
|
/* DON'T DO THIS
|
|
* missing file shouldn't modify path! - campbell */
|
|
#if 0
|
|
strcpy(vfont->name, FO_BUILTIN_NAME);
|
|
#endif
|
|
pf = get_builtin_packedfile();
|
|
}
|
|
}
|
|
|
|
if (pf) {
|
|
vfont->data = BLI_vfontdata_from_freetypefont(pf);
|
|
if (pf != vfont->packedfile) {
|
|
freePackedFile(pf);
|
|
}
|
|
}
|
|
|
|
BLI_rw_mutex_unlock(&vfont_rwlock);
|
|
}
|
|
|
|
return vfont->data;
|
|
}
|
|
|
|
VFont *BKE_vfont_load(Main *bmain, const char *name)
|
|
{
|
|
char filename[FILE_MAXFILE];
|
|
VFont *vfont = NULL;
|
|
PackedFile *pf;
|
|
PackedFile *temp_pf = NULL;
|
|
bool is_builtin;
|
|
|
|
if (STREQ(name, FO_BUILTIN_NAME)) {
|
|
BLI_strncpy(filename, name, sizeof(filename));
|
|
|
|
pf = get_builtin_packedfile();
|
|
is_builtin = true;
|
|
}
|
|
else {
|
|
BLI_split_file_part(name, filename, sizeof(filename));
|
|
pf = newPackedFile(NULL, name, bmain->name);
|
|
temp_pf = newPackedFile(NULL, name, bmain->name);
|
|
|
|
is_builtin = false;
|
|
}
|
|
|
|
if (pf) {
|
|
VFontData *vfd;
|
|
|
|
vfd = BLI_vfontdata_from_freetypefont(pf);
|
|
if (vfd) {
|
|
vfont = BKE_libblock_alloc(bmain, ID_VF, filename);
|
|
vfont->data = vfd;
|
|
|
|
/* if there's a font name, use it for the ID name */
|
|
if (vfd->name[0] != '\0') {
|
|
BLI_strncpy(vfont->id.name + 2, vfd->name, sizeof(vfont->id.name) - 2);
|
|
}
|
|
BLI_strncpy(vfont->name, name, sizeof(vfont->name));
|
|
|
|
/* if autopack is on store the packedfile in de font structure */
|
|
if (!is_builtin && (G.fileflags & G_AUTOPACK)) {
|
|
vfont->packedfile = pf;
|
|
}
|
|
|
|
/* Do not add FO_BUILTIN_NAME to temporary listbase */
|
|
if (strcmp(filename, FO_BUILTIN_NAME)) {
|
|
vfont->temp_pf = temp_pf;
|
|
}
|
|
}
|
|
|
|
/* Free the packed file */
|
|
if (!vfont || vfont->packedfile != pf) {
|
|
freePackedFile(pf);
|
|
}
|
|
}
|
|
|
|
return vfont;
|
|
}
|
|
|
|
static VFont *which_vfont(Curve *cu, CharInfo *info)
|
|
{
|
|
switch (info->flag & (CU_CHINFO_BOLD | CU_CHINFO_ITALIC)) {
|
|
case CU_CHINFO_BOLD:
|
|
return cu->vfontb ? cu->vfontb : cu->vfont;
|
|
case CU_CHINFO_ITALIC:
|
|
return cu->vfonti ? cu->vfonti : cu->vfont;
|
|
case (CU_CHINFO_BOLD | CU_CHINFO_ITALIC):
|
|
return cu->vfontbi ? cu->vfontbi : cu->vfont;
|
|
default:
|
|
return cu->vfont;
|
|
}
|
|
}
|
|
|
|
VFont *BKE_vfont_builtin_get(void)
|
|
{
|
|
VFont *vfont;
|
|
|
|
for (vfont = G.main->vfont.first; vfont; vfont = vfont->id.next) {
|
|
if (BKE_vfont_is_builtin(vfont)) {
|
|
return vfont;
|
|
}
|
|
}
|
|
|
|
return BKE_vfont_load(G.main, FO_BUILTIN_NAME);
|
|
}
|
|
|
|
static VChar *find_vfont_char(VFontData *vfd, unsigned int character)
|
|
{
|
|
return BLI_ghash_lookup(vfd->characters, SET_UINT_IN_POINTER(character));
|
|
}
|
|
|
|
static void build_underline(Curve *cu, ListBase *nubase, const rctf *rect,
|
|
float yofs, float rot, int charidx, short mat_nr)
|
|
{
|
|
Nurb *nu2;
|
|
BPoint *bp;
|
|
|
|
nu2 = (Nurb *) MEM_callocN(sizeof(Nurb), "underline_nurb");
|
|
nu2->resolu = cu->resolu;
|
|
nu2->bezt = NULL;
|
|
nu2->knotsu = nu2->knotsv = NULL;
|
|
nu2->flag = CU_2D;
|
|
nu2->charidx = charidx + 1000;
|
|
if (mat_nr > 0) nu2->mat_nr = mat_nr - 1;
|
|
nu2->pntsu = 4;
|
|
nu2->pntsv = 1;
|
|
nu2->orderu = 4;
|
|
nu2->orderv = 1;
|
|
nu2->flagu = CU_NURB_CYCLIC;
|
|
|
|
bp = (BPoint *)MEM_callocN(4 * sizeof(BPoint), "underline_bp");
|
|
|
|
copy_v4_fl4(bp[0].vec, rect->xmin, (rect->ymax + yofs), 0.0f, 1.0f);
|
|
copy_v4_fl4(bp[1].vec, rect->xmax, (rect->ymax + yofs), 0.0f, 1.0f);
|
|
copy_v4_fl4(bp[2].vec, rect->xmax, (rect->ymin + yofs), 0.0f, 1.0f);
|
|
copy_v4_fl4(bp[3].vec, rect->xmin, (rect->ymin + yofs), 0.0f, 1.0f);
|
|
|
|
nu2->bp = bp;
|
|
BLI_addtail(nubase, nu2);
|
|
|
|
if (rot != 0.0f) {
|
|
float si, co;
|
|
int i;
|
|
|
|
si = sinf(rot);
|
|
co = cosf(rot);
|
|
|
|
for (i = nu2->pntsu; i > 0; i--) {
|
|
float *fp;
|
|
float x, y;
|
|
|
|
fp = bp->vec;
|
|
|
|
x = fp[0] - rect->xmin;
|
|
y = fp[1] - rect->ymin;
|
|
|
|
fp[0] = (+co * x + si * y) + rect->xmin;
|
|
fp[1] = (-si * x + co * y) + rect->ymin;
|
|
|
|
bp++;
|
|
}
|
|
|
|
bp = nu2->bp;
|
|
}
|
|
|
|
mul_v2_fl(bp[0].vec, cu->fsize);
|
|
mul_v2_fl(bp[1].vec, cu->fsize);
|
|
mul_v2_fl(bp[2].vec, cu->fsize);
|
|
mul_v2_fl(bp[3].vec, cu->fsize);
|
|
}
|
|
|
|
static void buildchar(Main *bmain, Curve *cu, ListBase *nubase, unsigned int character, CharInfo *info,
|
|
float ofsx, float ofsy, float rot, int charidx)
|
|
{
|
|
BezTriple *bezt1, *bezt2;
|
|
Nurb *nu1 = NULL, *nu2 = NULL;
|
|
float *fp, fsize, shear, x, si, co;
|
|
VFontData *vfd = NULL;
|
|
VChar *che = NULL;
|
|
int i;
|
|
|
|
vfd = vfont_get_data(bmain, which_vfont(cu, info));
|
|
if (!vfd) return;
|
|
|
|
#if 0
|
|
if (cu->selend < cu->selstart) {
|
|
if ((charidx >= (cu->selend)) && (charidx <= (cu->selstart - 2)))
|
|
sel = 1;
|
|
}
|
|
else {
|
|
if ((charidx >= (cu->selstart - 1)) && (charidx <= (cu->selend - 1)))
|
|
sel = 1;
|
|
}
|
|
#endif
|
|
|
|
/* make a copy at distance ofsx, ofsy with shear */
|
|
fsize = cu->fsize;
|
|
shear = cu->shear;
|
|
si = sinf(rot);
|
|
co = cosf(rot);
|
|
|
|
che = find_vfont_char(vfd, character);
|
|
|
|
/* Select the glyph data */
|
|
if (che)
|
|
nu1 = che->nurbsbase.first;
|
|
|
|
/* Create the character */
|
|
while (nu1) {
|
|
bezt1 = nu1->bezt;
|
|
if (bezt1) {
|
|
nu2 = (Nurb *) MEM_mallocN(sizeof(Nurb), "duplichar_nurb");
|
|
if (nu2 == NULL) break;
|
|
memcpy(nu2, nu1, sizeof(struct Nurb));
|
|
nu2->resolu = cu->resolu;
|
|
nu2->bp = NULL;
|
|
nu2->knotsu = nu2->knotsv = NULL;
|
|
nu2->flag = CU_SMOOTH;
|
|
nu2->charidx = charidx;
|
|
if (info->mat_nr > 0) {
|
|
nu2->mat_nr = info->mat_nr - 1;
|
|
}
|
|
else {
|
|
nu2->mat_nr = 0;
|
|
}
|
|
/* nu2->trim.first = 0; */
|
|
/* nu2->trim.last = 0; */
|
|
i = nu2->pntsu;
|
|
|
|
bezt2 = (BezTriple *)MEM_mallocN(i * sizeof(BezTriple), "duplichar_bezt2");
|
|
if (bezt2 == NULL) {
|
|
MEM_freeN(nu2);
|
|
break;
|
|
}
|
|
memcpy(bezt2, bezt1, i * sizeof(struct BezTriple));
|
|
nu2->bezt = bezt2;
|
|
|
|
if (shear != 0.0f) {
|
|
bezt2 = nu2->bezt;
|
|
|
|
for (i = nu2->pntsu; i > 0; i--) {
|
|
bezt2->vec[0][0] += shear * bezt2->vec[0][1];
|
|
bezt2->vec[1][0] += shear * bezt2->vec[1][1];
|
|
bezt2->vec[2][0] += shear * bezt2->vec[2][1];
|
|
bezt2++;
|
|
}
|
|
}
|
|
if (rot != 0.0f) {
|
|
bezt2 = nu2->bezt;
|
|
for (i = nu2->pntsu; i > 0; i--) {
|
|
fp = bezt2->vec[0];
|
|
|
|
x = fp[0];
|
|
fp[0] = co * x + si * fp[1];
|
|
fp[1] = -si * x + co * fp[1];
|
|
x = fp[3];
|
|
fp[3] = co * x + si * fp[4];
|
|
fp[4] = -si * x + co * fp[4];
|
|
x = fp[6];
|
|
fp[6] = co * x + si * fp[7];
|
|
fp[7] = -si * x + co * fp[7];
|
|
|
|
bezt2++;
|
|
}
|
|
}
|
|
bezt2 = nu2->bezt;
|
|
|
|
if (info->flag & CU_CHINFO_SMALLCAPS_CHECK) {
|
|
const float sca = cu->smallcaps_scale;
|
|
for (i = nu2->pntsu; i > 0; i--) {
|
|
fp = bezt2->vec[0];
|
|
fp[0] *= sca;
|
|
fp[1] *= sca;
|
|
fp[3] *= sca;
|
|
fp[4] *= sca;
|
|
fp[6] *= sca;
|
|
fp[7] *= sca;
|
|
bezt2++;
|
|
}
|
|
}
|
|
bezt2 = nu2->bezt;
|
|
|
|
for (i = nu2->pntsu; i > 0; i--) {
|
|
fp = bezt2->vec[0];
|
|
fp[0] = (fp[0] + ofsx) * fsize;
|
|
fp[1] = (fp[1] + ofsy) * fsize;
|
|
fp[3] = (fp[3] + ofsx) * fsize;
|
|
fp[4] = (fp[4] + ofsy) * fsize;
|
|
fp[6] = (fp[6] + ofsx) * fsize;
|
|
fp[7] = (fp[7] + ofsy) * fsize;
|
|
bezt2++;
|
|
}
|
|
|
|
BLI_addtail(nubase, nu2);
|
|
}
|
|
|
|
nu1 = nu1->next;
|
|
}
|
|
}
|
|
|
|
int BKE_vfont_select_get(Object *ob, int *r_start, int *r_end)
|
|
{
|
|
Curve *cu = ob->data;
|
|
EditFont *ef = cu->editfont;
|
|
|
|
if ((ob->type != OB_FONT) || (ef == NULL)) return 0;
|
|
|
|
BLI_assert(ef->selstart >= 0 && ef->selstart <= ef->len + 1);
|
|
BLI_assert(ef->selend >= 0 && ef->selend <= ef->len + 1);
|
|
BLI_assert(ef->pos >= 0 && ef->pos <= ef->len);
|
|
|
|
if (ef->selstart == 0) return 0;
|
|
if (ef->selstart <= ef->selend) {
|
|
*r_start = ef->selstart - 1;
|
|
*r_end = ef->selend - 1;
|
|
return 1;
|
|
}
|
|
else {
|
|
*r_start = ef->selend;
|
|
*r_end = ef->selstart - 2;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static float char_width(Curve *cu, VChar *che, CharInfo *info)
|
|
{
|
|
/* The character wasn't found, propably ascii = 0, then the width shall be 0 as well */
|
|
if (che == NULL) {
|
|
return 0.0f;
|
|
}
|
|
else if (info->flag & CU_CHINFO_SMALLCAPS_CHECK) {
|
|
return che->width * cu->smallcaps_scale;
|
|
}
|
|
else {
|
|
return che->width;
|
|
}
|
|
}
|
|
|
|
static void textbox_scale(TextBox *tb_dst, const TextBox *tb_src, float scale)
|
|
{
|
|
tb_dst->x = tb_src->x * scale;
|
|
tb_dst->y = tb_src->y * scale;
|
|
tb_dst->w = tb_src->w * scale;
|
|
tb_dst->h = tb_src->h * scale;
|
|
}
|
|
|
|
/**
|
|
* Used for storing per-line data for alignment & wrapping.
|
|
*/
|
|
struct TempLineInfo {
|
|
float x_min; /* left margin */
|
|
float x_max; /* right margin */
|
|
int char_nr; /* number of characters */
|
|
int wspace_nr; /* number of whitespaces of line */
|
|
};
|
|
|
|
bool BKE_vfont_to_curve_ex(Main *bmain, Object *ob, int mode, ListBase *r_nubase,
|
|
const wchar_t **r_text, int *r_text_len, bool *r_text_free,
|
|
struct CharTrans **r_chartransdata)
|
|
{
|
|
Curve *cu = ob->data;
|
|
EditFont *ef = cu->editfont;
|
|
EditFontSelBox *selboxes = NULL;
|
|
VFont *vfont, *oldvfont;
|
|
VFontData *vfd = NULL;
|
|
CharInfo *info = NULL, *custrinfo;
|
|
TextBox tb_scale;
|
|
bool use_textbox;
|
|
VChar *che;
|
|
struct CharTrans *chartransdata = NULL, *ct;
|
|
struct TempLineInfo *lineinfo;
|
|
float *f, xof, yof, xtrax, linedist;
|
|
float twidth, maxlen = 0;
|
|
int i, slen, j;
|
|
int curbox;
|
|
int selstart, selend;
|
|
int cnr = 0, lnr = 0, wsnr = 0;
|
|
const wchar_t *mem;
|
|
wchar_t ascii;
|
|
bool ok = false;
|
|
const float xof_scale = cu->xof / cu->fsize;
|
|
const float yof_scale = cu->yof / cu->fsize;
|
|
|
|
#define MARGIN_X_MIN (xof_scale + tb_scale.x)
|
|
#define MARGIN_Y_MIN (yof_scale + tb_scale.y)
|
|
|
|
/* remark: do calculations including the trailing '\0' of a string
|
|
* because the cursor can be at that location */
|
|
|
|
BLI_assert(ob->type == OB_FONT);
|
|
|
|
/* Set font data */
|
|
vfont = cu->vfont;
|
|
|
|
if (cu->str == NULL) return ok;
|
|
if (vfont == NULL) return ok;
|
|
|
|
vfd = vfont_get_data(bmain, vfont);
|
|
|
|
/* The VFont Data can not be found */
|
|
if (!vfd) return ok;
|
|
|
|
if (ef) {
|
|
slen = ef->len;
|
|
mem = ef->textbuf;
|
|
custrinfo = ef->textbufinfo;
|
|
}
|
|
else {
|
|
wchar_t *mem_tmp;
|
|
slen = cu->len_wchar;
|
|
|
|
/* Create unicode string */
|
|
mem_tmp = MEM_mallocN(((slen + 1) * sizeof(wchar_t)), "convertedmem");
|
|
|
|
BLI_strncpy_wchar_from_utf8(mem_tmp, cu->str, slen + 1);
|
|
|
|
if (cu->strinfo == NULL) { /* old file */
|
|
cu->strinfo = MEM_callocN((slen + 4) * sizeof(CharInfo), "strinfo compat");
|
|
}
|
|
custrinfo = cu->strinfo;
|
|
|
|
mem = mem_tmp;
|
|
}
|
|
|
|
if (cu->tb == NULL)
|
|
cu->tb = MEM_callocN(MAXTEXTBOX * sizeof(TextBox), "TextBox compat");
|
|
|
|
if (ef) {
|
|
if (ef->selboxes)
|
|
MEM_freeN(ef->selboxes);
|
|
|
|
if (BKE_vfont_select_get(ob, &selstart, &selend))
|
|
ef->selboxes = MEM_callocN((selend - selstart + 1) * sizeof(EditFontSelBox), "font selboxes");
|
|
else
|
|
ef->selboxes = NULL;
|
|
|
|
selboxes = ef->selboxes;
|
|
}
|
|
|
|
/* calc offset and rotation of each char */
|
|
ct = chartransdata = MEM_callocN((slen + 1) * sizeof(struct CharTrans), "buildtext");
|
|
|
|
/* We assume the worst case: 1 character per line (is freed at end anyway) */
|
|
lineinfo = MEM_mallocN(sizeof(*lineinfo) * (slen * 2 + 1), "lineinfo");
|
|
|
|
linedist = cu->linedist;
|
|
|
|
curbox = 0;
|
|
textbox_scale(&tb_scale, &cu->tb[curbox], 1.0f / cu->fsize);
|
|
use_textbox = (tb_scale.w != 0.0f);
|
|
|
|
|
|
xof = MARGIN_X_MIN;
|
|
yof = MARGIN_Y_MIN;
|
|
|
|
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);
|
|
}
|
|
|
|
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) {
|
|
info->flag |= CU_CHINFO_SMALLCAPS_CHECK;
|
|
}
|
|
}
|
|
|
|
vfont = which_vfont(cu, info);
|
|
|
|
if (vfont == NULL) break;
|
|
|
|
if (vfont != oldvfont) {
|
|
vfd = vfont_get_data(bmain, vfont);
|
|
oldvfont = vfont;
|
|
}
|
|
|
|
/* VFont Data for VFont couldn't be found */
|
|
if (!vfd) {
|
|
MEM_freeN(chartransdata);
|
|
chartransdata = NULL;
|
|
MEM_freeN(lineinfo);
|
|
goto finally;
|
|
}
|
|
|
|
if (!ELEM(ascii, '\n', '\0')) {
|
|
BLI_rw_mutex_lock(&vfont_rwlock, THREAD_LOCK_READ);
|
|
che = find_vfont_char(vfd, ascii);
|
|
BLI_rw_mutex_unlock(&vfont_rwlock);
|
|
|
|
/*
|
|
* The character wasn't in the current curve base so load it
|
|
* But if the font is built-in then do not try loading since
|
|
* whole font is in the memory already
|
|
*/
|
|
if (che == NULL && BKE_vfont_is_builtin(vfont) == false) {
|
|
BLI_rw_mutex_lock(&vfont_rwlock, THREAD_LOCK_WRITE);
|
|
/* Check it once again, char might have been already load
|
|
* between previous BLI_rw_mutex_unlock() and this BLI_rw_mutex_lock().
|
|
*
|
|
* Such a check should not be a bottleneck since it wouldn't
|
|
* happen often once all the chars are load.
|
|
*/
|
|
if ((che = find_vfont_char(vfd, ascii)) == NULL) {
|
|
che = BLI_vfontchar_from_freetypefont(vfont, ascii);
|
|
}
|
|
BLI_rw_mutex_unlock(&vfont_rwlock);
|
|
}
|
|
}
|
|
else {
|
|
che = NULL;
|
|
}
|
|
|
|
twidth = char_width(cu, che, info);
|
|
|
|
/* Calculate positions */
|
|
if ((tb_scale.w != 0.0f) &&
|
|
(ct->dobreak == 0) &&
|
|
(((xof - tb_scale.x) + twidth) > xof_scale + tb_scale.w))
|
|
{
|
|
// fprintf(stderr, "linewidth exceeded: %c%c%c...\n", mem[i], mem[i+1], mem[i+2]);
|
|
for (j = i; j && (mem[j] != '\n') && (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 == 0 || ct->dobreak) {
|
|
ct->xof = xof;
|
|
ct->yof = yof;
|
|
ct->linenr = lnr;
|
|
ct->charnr = cnr;
|
|
|
|
yof -= linedist;
|
|
|
|
lineinfo[lnr].x_min = (xof - xtrax) - tb_scale.x;
|
|
lineinfo[lnr].x_max = tb_scale.w;
|
|
lineinfo[lnr].char_nr = cnr;
|
|
lineinfo[lnr].wspace_nr = wsnr;
|
|
|
|
CLAMP_MIN(maxlen, lineinfo[lnr].x_min);
|
|
|
|
if ((tb_scale.h != 0.0f) &&
|
|
(cu->totbox > (curbox + 1)) &&
|
|
((-(yof - tb_scale.y)) > (tb_scale.h - (linedist * cu->fsize)) - yof_scale))
|
|
{
|
|
maxlen = 0;
|
|
curbox++;
|
|
|
|
textbox_scale(&tb_scale, &cu->tb[curbox], 1.0f / cu->fsize);
|
|
|
|
yof = MARGIN_Y_MIN;
|
|
}
|
|
|
|
/* XXX, has been unused for years, need to check if this is useful, r4613 r5282 - campbell */
|
|
#if 0
|
|
if (ascii == '\n')
|
|
xof = xof_scale;
|
|
else
|
|
xof = MARGIN_X_MIN;
|
|
#else
|
|
xof = MARGIN_X_MIN;
|
|
#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 - MARGIN_X_MIN + 0.01f);
|
|
tabfac = 2.0f * ceilf(tabfac / 2.0f);
|
|
xof = MARGIN_X_MIN + tabfac;
|
|
}
|
|
else {
|
|
EditFontSelBox *sb = NULL;
|
|
float wsfac;
|
|
|
|
ct->xof = xof;
|
|
ct->yof = yof;
|
|
ct->linenr = lnr;
|
|
ct->charnr = cnr++;
|
|
|
|
if (selboxes && (i >= selstart) && (i <= selend)) {
|
|
sb = &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;
|
|
for (i = 0; i <= slen; i++) {
|
|
ascii = mem[i];
|
|
ct = &chartransdata[i];
|
|
if (ascii == '\n' || ct->dobreak) cu->lines++;
|
|
}
|
|
|
|
/* linedata is now: width of line */
|
|
|
|
if (cu->spacemode != CU_LEFT) {
|
|
ct = chartransdata;
|
|
|
|
if (cu->spacemode == CU_RIGHT) {
|
|
struct TempLineInfo *li;
|
|
|
|
for (i = 0, li = lineinfo; i < lnr; i++, li++) {
|
|
li->x_min = (li->x_max - li->x_min) + xof_scale;
|
|
}
|
|
|
|
for (i = 0; i <= slen; i++) {
|
|
ct->xof += lineinfo[ct->linenr].x_min;
|
|
ct++;
|
|
}
|
|
}
|
|
else if (cu->spacemode == CU_MIDDLE) {
|
|
struct TempLineInfo *li;
|
|
|
|
for (i = 0, li = lineinfo; i < lnr; i++, li++) {
|
|
li->x_min = ((li->x_max - li->x_min) + xof_scale) / 2.0f;
|
|
}
|
|
|
|
for (i = 0; i <= slen; i++) {
|
|
ct->xof += lineinfo[ct->linenr].x_min;
|
|
ct++;
|
|
}
|
|
}
|
|
else if ((cu->spacemode == CU_FLUSH) && use_textbox) {
|
|
struct TempLineInfo *li;
|
|
|
|
for (i = 0, li = lineinfo; i < lnr; i++, li++) {
|
|
li->x_min = ((li->x_max - li->x_min) + xof_scale);
|
|
|
|
if (li->char_nr > 1) {
|
|
li->x_min /= (float)(li->char_nr - 1);
|
|
}
|
|
}
|
|
for (i = 0; i <= slen; i++) {
|
|
for (j = i; (!ELEM(mem[j], '\0', '\n')) && (chartransdata[j].dobreak == 0) && (j < slen); j++) {
|
|
/* do nothing */
|
|
}
|
|
|
|
// if ((mem[j] != '\n') && (mem[j])) {
|
|
ct->xof += ct->charnr * lineinfo[ct->linenr].x_min;
|
|
// }
|
|
ct++;
|
|
}
|
|
}
|
|
else if ((cu->spacemode == CU_JUSTIFY) && use_textbox) {
|
|
float curofs = 0.0f;
|
|
for (i = 0; i <= slen; i++) {
|
|
for (j = i;
|
|
(mem[j]) && (mem[j] != '\n') && (chartransdata[j].dobreak == 0) && (j < slen);
|
|
j++)
|
|
{
|
|
/* pass */
|
|
}
|
|
|
|
if ((mem[j] != '\n') &&
|
|
((chartransdata[j].dobreak != 0)))
|
|
{
|
|
if (mem[i] == ' ') {
|
|
struct TempLineInfo *li;
|
|
|
|
li = &lineinfo[ct->linenr];
|
|
curofs += ((li->x_max - li->x_min) + xof_scale) / (float)li->wspace_nr;
|
|
}
|
|
ct->xof += curofs;
|
|
}
|
|
if (mem[i] == '\n' || chartransdata[i].dobreak) curofs = 0;
|
|
ct++;
|
|
}
|
|
}
|
|
}
|
|
|
|
MEM_freeN(lineinfo);
|
|
|
|
/* TEXT ON CURVE */
|
|
/* Note: Only OB_CURVE objects could have a path */
|
|
if (cu->textoncurve && cu->textoncurve->type == OB_CURVE) {
|
|
BLI_assert(cu->textoncurve->curve_cache != NULL);
|
|
if (cu->textoncurve->curve_cache->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 * cu->textoncurve->curve_cache->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 */
|
|
info = &custrinfo[i];
|
|
ascii = mem[i];
|
|
if (info->flag & CU_CHINFO_SMALLCAPS_CHECK) {
|
|
ascii = towupper(ascii);
|
|
}
|
|
|
|
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 - atan2f(rotvec[1], rotvec[0]);
|
|
|
|
si = sinf(ct->rot);
|
|
co = cosf(ct->rot);
|
|
|
|
yof = ct->yof;
|
|
|
|
ct->xof = vec[0] + si * yof;
|
|
ct->yof = vec[1] + co * yof;
|
|
|
|
if (selboxes && (i >= selstart) && (i <= selend)) {
|
|
EditFontSelBox *sb;
|
|
sb = &selboxes[i - selstart];
|
|
sb->rot = -ct->rot;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if (selboxes) {
|
|
ct = chartransdata;
|
|
for (i = 0; i <= selend; i++, ct++) {
|
|
if (i >= selstart) {
|
|
selboxes[i - selstart].x = ct->xof * cu->fsize;
|
|
selboxes[i - selstart].y = ct->yof * cu->fsize;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mode == FO_CURSUP || mode == FO_CURSDOWN || mode == FO_PAGEUP || mode == FO_PAGEDOWN) {
|
|
ct = &chartransdata[ef->pos];
|
|
|
|
if ((mode == FO_CURSUP || mode == FO_PAGEUP) && ct->linenr == 0) {
|
|
/* pass */
|
|
}
|
|
else if ((mode == FO_CURSDOWN || mode == FO_PAGEDOWN) && ct->linenr == lnr) {
|
|
/* pass */
|
|
}
|
|
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 */
|
|
ef->pos = 0;
|
|
ct = chartransdata;
|
|
for (i = 0; i < slen; i++) {
|
|
if (ct->linenr == lnr) {
|
|
if ((ct->charnr == cnr) || ((ct + 1)->charnr == 0)) {
|
|
break;
|
|
}
|
|
}
|
|
else if (ct->linenr > lnr) {
|
|
break;
|
|
}
|
|
ef->pos++;
|
|
ct++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* cursor first */
|
|
if (ef) {
|
|
float si, co;
|
|
|
|
ct = &chartransdata[ef->pos];
|
|
si = sinf(ct->rot);
|
|
co = cosf(ct->rot);
|
|
|
|
f = ef->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);
|
|
|
|
}
|
|
|
|
if (mode == FO_SELCHANGE) {
|
|
MEM_freeN(chartransdata);
|
|
chartransdata = NULL;
|
|
goto finally;
|
|
}
|
|
|
|
if (mode == FO_EDIT) {
|
|
/* make nurbdata */
|
|
BKE_nurbList_free(r_nubase);
|
|
|
|
ct = chartransdata;
|
|
for (i = 0; i < slen; i++) {
|
|
unsigned int cha = (unsigned int) mem[i];
|
|
info = &(custrinfo[i]);
|
|
|
|
if (info->flag & CU_CHINFO_SMALLCAPS_CHECK) {
|
|
cha = towupper(cha);
|
|
}
|
|
|
|
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')
|
|
buildchar(bmain, cu, r_nubase, cha, info, ct->xof, ct->yof, ct->rot, i);
|
|
|
|
if ((info->flag & CU_CHINFO_UNDERLINE) && (cha != '\n')) {
|
|
float ulwidth, uloverlap = 0.0f;
|
|
rctf rect;
|
|
|
|
if ((i < (slen - 1)) && (mem[i + 1] != '\n') &&
|
|
((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 = (twidth * (1.0f + (info->kern / 40.0f))) + uloverlap;
|
|
|
|
rect.xmin = ct->xof;
|
|
rect.xmax = rect.xmin + ulwidth;
|
|
|
|
rect.ymin = ct->yof;
|
|
rect.ymax = rect.ymin - cu->ulheight;
|
|
|
|
build_underline(cu, r_nubase,
|
|
&rect, cu->ulpos - 0.05f,
|
|
ct->rot, i, info->mat_nr);
|
|
}
|
|
ct++;
|
|
}
|
|
}
|
|
|
|
ok = true;
|
|
|
|
finally:
|
|
|
|
{
|
|
if (r_text) {
|
|
*r_text = mem;
|
|
*r_text_len = slen;
|
|
*r_text_free = (ef == NULL);
|
|
}
|
|
else {
|
|
if (ef == NULL) {
|
|
MEM_freeN((void *)mem);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (chartransdata) {
|
|
if (ok && r_chartransdata) {
|
|
*r_chartransdata = chartransdata;
|
|
}
|
|
else {
|
|
MEM_freeN(chartransdata);
|
|
}
|
|
}
|
|
|
|
return ok;
|
|
|
|
#undef MARGIN_X_MIN
|
|
#undef MARGIN_Y_MIN
|
|
}
|
|
|
|
|
|
bool BKE_vfont_to_curve_nubase(Main *bmain, Object *ob, int mode, ListBase *r_nubase)
|
|
{
|
|
BLI_assert(ob->type == OB_FONT);
|
|
|
|
return BKE_vfont_to_curve_ex(bmain, ob, mode, r_nubase,
|
|
NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
bool BKE_vfont_to_curve(Main *bmain, Object *ob, int mode)
|
|
{
|
|
Curve *cu = ob->data;
|
|
|
|
return BKE_vfont_to_curve_ex(bmain, ob, mode, &cu->nurb, NULL, NULL, NULL, NULL);
|
|
}
|