/** @brief Clear the handwriter background. */
void ChandWriter::clearImage()
{
if ( Cgraphics::m_defaults.handwriting_detection_enabled)
{
#ifdef USE_SDL2
assert(0);
#else
SDL_Rect rect;
rect.h =(Uint16)m_surface->h;
rect.w =(Uint16)m_surface->w;
rect.x =0;
rect.y =0;
SDL_FillRect( m_surface, &rect, m_background.getColour());
#endif
m_stroke =0;
m_index =0;
m_lastPoint =Cpoint(-5,-100);
#ifdef USE_ZINNIA
if ( m_character)
{
zinnia_character_clear( m_character);
zinnia_character_set_width( m_character, m_rect.width()*8);
zinnia_character_set_height( m_character, m_rect.height()*8);
}
#endif
}
}
int main(int argc, char **argv) {
size_t i;
zinnia_recognizer_t *recognizer;
zinnia_character_t *character;
zinnia_result_t *result;
recognizer = zinnia_recognizer_new();
if (!zinnia_recognizer_open(recognizer, "/usr/local/lib/zinnia/model/tomoe/handwriting-ja.model")) {
fprintf(stderr, "ERROR: %s\n", zinnia_recognizer_strerror(recognizer));
return -1;
}
zinnia_character_t *character = zinnia_character_new();
zinnia_character_clear(character);
zinnia_character_set_width(character, 300);
zinnia_character_set_height(character, 300);
zinnia_character_add(character, 0, 51, 29);
zinnia_character_add(character, 0, 117, 41);
zinnia_character_add(character, 1, 99, 65);
zinnia_character_add(character, 1, 219, 77);
zinnia_character_add(character, 2, 27, 131);
zinnia_character_add(character, 2, 261, 131);
zinnia_character_add(character, 3, 129, 17);
zinnia_character_add(character, 3, 57, 203);
zinnia_character_add(character, 4, 111, 71);
zinnia_character_add(character, 4, 219, 173);
zinnia_character_add(character, 5, 81, 161);
zinnia_character_add(character, 5, 93, 281);
zinnia_character_add(character, 6, 99, 167);
zinnia_character_add(character, 6, 207, 167);
zinnia_character_add(character, 6, 189, 245);
zinnia_character_add(character, 7, 99, 227);
zinnia_character_add(character, 7, 189, 227);
zinnia_character_add(character, 8, 111, 257);
zinnia_character_add(character, 8, 189, 245);
result = zinnia_recognizer_classify(recognizer, character, 10);
if (result == NULL) {
fprintf(stderr, "%s\n", zinnia_recognizer_strerror(recognizer));
return -1;
}
for (i = 0; i < zinnia_result_size(result); ++i) {
fprintf(stdout, "%s\t%f\n",
zinnia_result_value(result, i),
zinnia_result_score(result, i));
}
zinnia_result_destroy(result);
zinnia_character_destroy(character);
zinnia_recognizer_destroy(recognizer);
return 0;
}
void QHWR::stok2qchar()
{
zinnia_result_t *result;
LineStroke * l;
character = zinnia_character_new();
dstr.clear();
zinnia_character_clear(character);
zinnia_character_set_width(character, 250);
zinnia_character_set_height(character, 250);
for(int i=0;i<strokes.size();i++)
{
l = &strokes[i];
for (int j= 0; j < (l->segments); j+=(l->segments/10+1))
{
l->points[j]->x(), l->points[j]->y() ;
// if(j>2)
// j=l->segments-1;
zinnia_character_add(character, i, l->points[j]->x(), l->points[j]->y());
}
}
result = zinnia_recognizer_classify(recognizer, character, 100);
if (result == NULL)
{
fprintf(stderr, "%s\n", zinnia_recognizer_strerror(recognizer));
zinnia_character_destroy(character);
//zinnia_recognizer_destroy(recognizer);
return ;
}
for (int i = 0; i < zinnia_result_size(result); ++i)
{
dstr.append(QString::fromUtf8(zinnia_result_value(result, i),3));
// strcpy(c->charactor,zinnia_result_value(result, i));
fprintf(stdout, "%s\t%f\n", zinnia_result_value(result, i),
zinnia_result_score(result, i));
}
zinnia_result_destroy(result);
zinnia_character_destroy(character);
return;
}
static gboolean ibus_handwrite_recog_zinnia_domatch(IbusHandwriteRecog*obj,int want)
{
size_t i;
size_t ii;
zinnia_recognizer_t *recognizer;
zinnia_character_t *character;
zinnia_result_t *result;
LineStroke cl;
obj->matched = g_array_set_size(obj->matched,0);
recognizer = IBUS_HANDWRITE_RECOG_ZINNIA(obj)->recognizer;
character = zinnia_character_new();
zinnia_character_clear(character);
zinnia_character_set_width(character, 200);
zinnia_character_set_height(character, 200);
for (ii=0; ii < obj->strokes->len ; ++ii)
{
cl = g_array_index(obj->strokes, LineStroke , ii);
for (i = 0; i < (cl.segments); ++i)
{
zinnia_character_add(character, ii, cl.points[i].x, cl.points[i].y);
}
}
result = zinnia_recognizer_classify( recognizer, character, want);
g_print("char %p\n",result);
if (result == NULL)
{
fprintf(stderr, "%s\n", zinnia_recognizer_strerror(recognizer));
zinnia_character_destroy(character);
return FALSE;
}
int result_num = zinnia_result_size(result);
g_print("char \n");
for (i = 0; i < result_num; ++i)
{
MatchedChar matched;
strcpy(matched.chr,zinnia_result_value(result, i));
obj->matched = g_array_append_val(obj->matched,matched);
}
zinnia_result_destroy(result);
zinnia_character_destroy(character);
return TRUE;
}
/*
* Class: com_key_handwrite_Zinnia
* Method: zinnia_character_set_width
* Signature: (JJ)V
*/
JNIEXPORT void JNICALL Java_com_key_handwrite_Zinnia_zinnia_1character_1set_1width
(JNIEnv *env, jobject jobj, jlong character, jlong width)
{
zinnia_character_t* p = reinterpret_cast<zinnia_character_t*>(character);
zinnia_character_set_width(p, width);
}
void ZinniaProcess(void* ud, pt_t* points, int nPoints) {
Zinnia* zn = (Zinnia*) ud;
// clear the last result
if(zn->result != NULL) {
zinnia_result_destroy(zn->result);
zn->result = NULL;
}
// get bounding box
short xmin=SHRT_MAX,xmax=SHRT_MIN,ymin=SHRT_MAX,ymax=SHRT_MIN;
for(int i=0; i<nPoints; ++i) {
if(PT_ISVALID(points[i])) {
if(points[i].x > xmax) xmax = points[i].x;
if(points[i].x < xmin) xmin = points[i].x;
if(points[i].y > ymax) ymax = points[i].y;
if(points[i].y < ymin) ymin = points[i].y;
}
}
// add some margin
ymin -= 4;
xmin -= 4;
ymax += 4;
xmax += 4;
// determine scaling factors
float sf;
if(xmax - xmin > ymax - ymin) {
sf = 300.0 / (xmax - xmin);
ymin = 0;
} else {
sf = 300.0 / (ymax - ymin);
xmin = 0;
}
// the stroke index
size_t id = 0;
// create a new character
zinnia_character_t *character = zinnia_character_new();
zinnia_character_clear(character);
zinnia_character_set_width(character, 300);
zinnia_character_set_height(character, 300);
// the index in the point array from which this stroke begins
int from = 0;
for(int i=0; i<nPoints; ++i) {
// If we get to a stroke break, do the magic
if(!PT_ISVALID(points[i])) {
pt_t* simplified = 0;
// Simplify the line we have so far. An epsilon of 6 is a guess,
// it probably should be determined based on xmax,xmin,ymax,ymin
int n = SimplifyLine(&points[from],i-from,&simplified,6);
// Add the scaled stroke to the zinnia character
for(int j=0;j<n;++j)
zinnia_character_add(character, id, sf * (simplified[j].x - xmin), sf * (simplified[j].y - ymin));
// clear the simplified stroke memory
free(simplified);
// advance to the next stroke
id++;
from = i+1;
}
}
zn->result = zinnia_recognizer_classify(zn->recog, character, 10);
if (zn->result == NULL) {
FcitxLog(ERROR, "Could not classify character");
return;
}
zinnia_character_destroy(character);
}