static void svgParsePoly(struct SVGParser* p, const char** attr, int closeFlag)
{
int i;
const char* s;
float args[2];
int nargs;
char item[64];
svgResetPath(p);
for (i = 0; attr[i]; i += 2)
{
if (!svgParseAttr(p, attr[i], attr[i + 1]))
{
if (strcmp(attr[i], "points") == 0)
{
s = attr[i + 1];
nargs = 0;
while (*s)
{
s = getNextPathItem(s, item);
args[nargs++] = (float)atof(item);
if (nargs >= 2)
{
svgPathPoint(p, args[0], args[1]);
nargs = 0;
}
}
}
}
}
svgCreatePath(p, closeFlag);
}
static void svgParseLine(struct SVGParser* p, const char** attr)
{
float x1 = 0.0;
float y1 = 0.0;
float x2 = 0.0;
float y2 = 0.0;
int i;
for (i = 0; attr[i]; i += 2)
{
if (!svgParseAttr(p, attr[i], attr[i + 1]))
{
if (strcmp(attr[i], "x1") == 0) x1 = parseFloat(attr[i + 1]);
if (strcmp(attr[i], "y1") == 0) y1 = parseFloat(attr[i + 1]);
if (strcmp(attr[i], "x2") == 0) x2 = parseFloat(attr[i + 1]);
if (strcmp(attr[i], "y2") == 0) y2 = parseFloat(attr[i + 1]);
}
}
svgResetPath(p);
svgPathPoint(p, x1, y1);
svgPathPoint(p, x2, y2);
svgCreatePath(p, 0);
}
static void svgParseRect(struct SVGParser* p, const char** attr)
{
float x = 0.0f;
float y = 0.0f;
float w = 0.0f;
float h = 0.0f;
int i;
for (i = 0; attr[i]; i += 2)
{
if (!svgParseAttr(p, attr[i], attr[i + 1]))
{
if (strcmp(attr[i], "x") == 0) x = parseFloat(attr[i+1]);
if (strcmp(attr[i], "y") == 0) y = parseFloat(attr[i+1]);
if (strcmp(attr[i], "width") == 0) w = parseFloat(attr[i+1]);
if (strcmp(attr[i], "height") == 0) h = parseFloat(attr[i+1]);
}
}
if (w != 0.0f && h != 0.0f)
{
svgResetPath(p);
svgPathPoint(p, x, y);
svgPathPoint(p, x+w, y);
svgPathPoint(p, x+w, y+h);
svgPathPoint(p, x, y+h);
svgCreatePath(p, 1);
}
}
static void svgParseCircle(struct SVGParser* p, const char** attr)
{
float cx = 0.0f;
float cy = 0.0f;
float r = 0.0f;
float da;
int i,n;
float x,y,u;
for (i = 0; attr[i]; i += 2)
{
if (!svgParseAttr(p, attr[i], attr[i + 1]))
{
if (strcmp(attr[i], "cx") == 0) cx = parseFloat(attr[i+1]);
if (strcmp(attr[i], "cy") == 0) cy = parseFloat(attr[i+1]);
if (strcmp(attr[i], "r") == 0) r = fabsf(parseFloat(attr[i+1]));
}
}
if (r != 0.0f)
{
svgResetPath(p);
da = acosf(r/(r+p->tol))*2;
n = (int)ceilf(M_PI*2/da);
da = (float)(M_PI*2)/n;
for (i = 0; i < n; ++i)
{
u = i*da;
x = cx + cosf(u)*r;
y = cy + sinf(u)*r;
svgPathPoint(p, x, y);
}
svgCreatePath(p, 1);
}
}
static void svgParsePath(struct SVGParser* p, const char** attr)
{
const char* s;
char cmd;
float args[10];
int nargs;
int rargs;
float cpx, cpy, cpx2, cpy2;
const char* tmp[4];
char closedFlag;
int i;
char item[64];
for (i = 0; attr[i]; i += 2)
{
if (strcmp(attr[i], "d") == 0)
{
s = attr[i + 1];
svgResetPath(p);
closedFlag = 0;
nargs = 0;
while (*s)
{
s = getNextPathItem(s, item);
if (!*item) break;
if (isnum(item[0]))
{
if (nargs < 10)
args[nargs++] = (float)atof(item);
if (nargs >= rargs)
{
switch (cmd)
{
case 'm':
case 'M':
case 'l':
case 'L':
pathLineTo(p, &cpx, &cpy, args, (cmd == 'm' || cmd == 'l') ? 1 : 0);
break;
case 'H':
case 'h':
pathHLineTo(p, &cpx, &cpy, args, cmd == 'h' ? 1 : 0);
break;
case 'V':
case 'v':
pathVLineTo(p, &cpx, &cpy, args, cmd == 'v' ? 1 : 0);
break;
case 'C':
case 'c':
pathCubicBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0);
break;
case 'S':
case 's':
pathCubicBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0);
break;
case 'Q':
case 'q':
pathQuadBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0);
break;
case 'T':
case 't':
pathQuadBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0);
break;
default:
if (nargs >= 2)
{
cpx = args[nargs-2];
cpy = args[nargs-1];
}
break;
}
nargs = 0;
}
}
else
{
cmd = item[0];
rargs = getArgsPerElement(cmd);
if (cmd == 'M' || cmd == 'm')
{
// Commit path.
if (p->nbuf)
svgCreatePath(p, closedFlag);
// Start new subpath.
svgResetPath(p);
closedFlag = 0;
nargs = 0;
cpx = 0; cpy = 0;
}
else if (cmd == 'Z' || cmd == 'z')
{
closedFlag = 1;
// Commit path.
if (p->nbuf)
svgCreatePath(p, closedFlag);
// Start new subpath.
svgResetPath(p);
closedFlag = 0;
nargs = 0;
}
}
}
// Commit path.
if (p->nbuf)
svgCreatePath(p, closedFlag);
}
else
{
tmp[0] = attr[i];
tmp[1] = attr[i + 1];
tmp[2] = 0;
tmp[3] = 0;
svgParseAttribs(p, tmp);
}
}
}
void ofxSVGPathParser::parse(const char** attr)
{
nbuf = 0;
const char* s;
char cmd;
float args[10];
int nargs;
int rargs;
float cpx, cpy, cpx2, cpy2;
const char* tmp[4];
char closedFlag;
int i;
char item[64];
s = attr[0];
svgResetPath();
closedFlag = 0;
nargs = 0;
while (*s)
{
s = getNextPathItem(s, item);
if (!*item) break;
if (isnum(item[0]))
{
if (nargs < 10)
args[nargs++] = (float)atof(item);
if (nargs >= rargs)
{
switch (cmd)
{
case 'm':
case 'M':
case 'l':
case 'L':
pathLineTo(&cpx, &cpy, args, (cmd == 'm' || cmd == 'l') ? 1 : 0);
break;
case 'H':
case 'h':
pathHLineTo(&cpx, &cpy, args, cmd == 'h' ? 1 : 0);
break;
case 'V':
case 'v':
pathVLineTo(&cpx, &cpy, args, cmd == 'v' ? 1 : 0);
break;
case 'C':
case 'c':
pathCubicBezTo(&cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0);
break;
case 'S':
case 's':
pathCubicBezShortTo(&cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0);
break;
case 'Q':
case 'q':
pathQuadBezTo(&cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0);
break;
case 'T':
case 't':
pathQuadBezShortTo(&cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0);
break;
default:
if (nargs >= 2)
{
cpx = args[nargs-2];
cpy = args[nargs-1];
}
break;
}
nargs = 0;
}
}
else
{
cmd = item[0];
rargs = getArgsPerElement(cmd);
if (cmd == 'M' || cmd == 'm')
{
// Commit path.
// TODO get all the transform/translate/etc data from the parent?
// or just return out of this and handle in the parent?
//path = new vector<ofxVec2f*>();
// Start new subpath.
//svgResetPath();
closedFlag = 0;
nargs = 0;
cpx = 0; cpy = 0;
}
else if (cmd == 'Z' || cmd == 'z')
{
closedFlag = 1;
// Commit path.
//path = new vector<ofxVec2f*>();
// Start new subpath.
svgResetPath();
closedFlag = 0;
nargs = 0;
}
}
}
/*
// Commit path.
path = new vector<ofxVec2f*>();
*/
}
