/* Specify static text (C string). */
void
VG_TextString(VG_Text *vt, const char *s)
{
VG_Lock(VGNODE(vt)->vg);
if (s != NULL) {
Strlcpy(vt->text, s, sizeof(vt->text));
} else {
vt->text[0] = '\0';
}
VG_Unlock(VGNODE(vt)->vg);
}
/* Specify static text (format string). */
void
VG_TextPrintf(VG_Text *vt, const char *fmt, ...)
{
va_list ap;
VG_Lock(VGNODE(vt)->vg);
if (fmt != NULL) {
va_start(ap, fmt);
Vsnprintf(vt->text, sizeof(vt->text), fmt, ap);
va_end(ap);
} else {
vt->text[0] = '\0';
}
VG_Unlock(VGNODE(vt)->vg);
}
static void
Draw(void *p, VG_View *vv)
{
VG_Circle *vc = p;
VG_Vector vCenter = VG_Pos(vc->p);
int x, y, r;
VG_GetViewCoords(vv, vCenter, &x, &y);
r = (int)(vc->r*vv->scale);
AG_DrawCircle(vv, x, y, r, VG_MapColorRGB(VGNODE(vc)->color));
}
static int
MouseMotion(void *p, VG_Vector vPos, VG_Vector vRel, int b)
{
VG_TextTool *t = p;
VG_View *vv = VGTOOL(t)->vgv;
VG_Point *pEx;
VG_Vector pos;
float theta, rad;
if (t->vtIns != NULL) {
pEx = t->vtIns->p1;
pos = VG_Pos(pEx);
theta = VG_Atan2(vPos.y - pos.y,
vPos.x - pos.x);
rad = VG_Hypot(vPos.x - pos.x,
vPos.y - pos.y);
if ((pEx = VG_NearestPoint(vv, vPos, t->vtIns->p2))) {
VG_Status(vv, _("End baseline at Point%u"),
(Uint)VGNODE(pEx)->handle);
} else {
VG_Status(vv,
_("End baseline at %.2f,%.2f "
"(%.2f|%.2f\xc2\xb0)"),
vPos.x, vPos.y, rad, VG_Degrees(theta));
}
VG_SetPosition(t->vtIns->p2, vPos);
} else {
if ((pEx = VG_NearestPoint(vv, vPos, NULL))) {
VG_Status(vv, _("Start baseline at Point%u"),
(Uint)VGNODE(pEx)->handle);
} else {
VG_Status(vv, _("Start baseline at %.2f,%.2f"), vPos.x,
vPos.y);
}
}
return (0);
}
static void
RenderText(VG_Text *vt, char *sIn, VG_View *vv)
{
char sSubst[VG_TEXT_MAX], *s;
VG_Vector v1, v2, vMid;
int x, y;
int su;
if (vt->vsObj != NULL) {
AG_VariableSubst(vt->vsObj, sIn, sSubst, sizeof(sSubst));
s = sSubst;
} else {
s = sIn;
}
AG_PushTextState();
if (vt->fontFace[0] != '\0' &&
((agGUI && vt->fontSize != (int)agDefaultFont->spec.size) ||
(agGUI && vt->fontFlags != agDefaultFont->flags))) {
AG_TextFontLookup(vt->fontFace, vt->fontSize, vt->fontFlags);
}
AG_TextColor(VG_MapColorRGB(VGNODE(vt)->color));
v1 = VG_Pos(vt->p1);
v2 = VG_Pos(vt->p2);
vMid.x = v1.x + (v2.x - v1.x)/2.0f;
vMid.y = v1.y + (v2.y - v1.y)/2.0f;
VG_GetViewCoords(vv, vMid, &x, &y);
if ((su = AG_TextCacheGet(vv->tCache, s)) != -1) {
VG_DrawSurface(vv, x, y,
VG_Degrees(VG_Atan2(v1.y-v2.y, v1.x-v2.x)),
su);
}
AG_PopTextState();
}
