// Converts the Boxa array to a list of C_BLOB, getting rid of severely
// overlapping outlines and those that are children of a bigger one.
// The output is a list of C_BLOBs that are owned by the list.
// The C_OUTLINEs in the C_BLOBs contain no outline data - just empty
// bounding boxes. The Boxa is consumed and destroyed.
void LineFinder::ConvertBoxaToBlobs(int image_width, int image_height,
Boxa** boxes, C_BLOB_LIST* blobs) {
#ifdef HAVE_LIBLEPT
C_OUTLINE_LIST outlines;
C_OUTLINE_IT ol_it = &outlines;
// Iterate the boxes to convert to outlines.
int nboxes = boxaGetCount(*boxes);
for (int i = 0; i < nboxes; ++i) {
l_int32 x, y, width, height;
boxaGetBoxGeometry(*boxes, i, &x, &y, &width, &height);
// Make a C_OUTLINE from the leptonica box. This is a bit of a hack,
// as there is no outline, just a bounding box, but with some very
// small changes to coutln.cpp, it works nicely.
ICOORD top_left(x, image_height - y);
ICOORD bot_right(x + width, image_height - (y + height));
CRACKEDGE startpt;
startpt.pos = top_left;
C_OUTLINE* outline = new C_OUTLINE(&startpt, top_left, bot_right, 0);
ol_it.add_after_then_move(outline);
}
// Use outlines_to_blobs to convert the outlines to blobs and find
// overlapping and contained objects. The output list of blobs in the block
// has all the bad ones filtered out and deleted.
BLOCK block;
ICOORD page_tl(0, 0);
ICOORD page_br(image_width, image_height);
outlines_to_blobs(&block, page_tl, page_br, &outlines);
// Transfer the created blobs to the output list.
C_BLOB_IT blob_it(blobs);
blob_it.add_list_after(block.blob_list());
// The boxes aren't needed any more.
boxaDestroy(boxes);
#endif
}
void GLOffscreenTarget::updateImageTile(Size x_lower, Size y_lower, Size x_upper, Size y_upper)
{
QImage current_screen;
if (use_pixel_buffer_ && pixel_buffer_)
current_screen = pixel_buffer_->toImage();
else if (share_from_)
current_screen = share_from_->grabFrameBuffer();
if (!current_screen.isNull())
{
// compute the coordinates of the rectangle in the final image (remembering
// that Qt sets y to 0 on the *upper* boundary of the image!)
QPoint top_left(x_lower, current_image_.height() - (y_upper+1));
QPoint bot_right(x_upper, current_image_.height() - (y_lower+1));
QPainter p(¤t_image_);
p.drawImage(QRect(top_left, bot_right), current_screen, current_screen.rect());
p.end();
}
}
void eye_control(){
while(1){
if(buttonsPressed & BUTTON_S2){ //D3 to disable eye control
bot_stop();
buttonsPressed=0;
lcd_clear();
print_string(40,30,"Disabled!!");
_delay_ms(3000);
lcd_clear();
break;
}
small_blink=0,big_blink=0,ON=0,menu_counter=0;
short toggle=1;
input = adc_read();
highlight_and_print_string(0,8,"1.Waiting...");
_delay_ms(100);
// lcd_clear();
if(input > AdcThreshold || input==AdcThreshold){
check_blink();
}
if(big_blink){
_delay_ms(1000);
while(1){
if(buttonsPressed & BUTTON_S2){ //D3 to disable eye control
bot_stop();
/*lcd_clear();
print_string(24,30,"Disabled!!");
_delay_ms(1000);
lcd_clear();*/
break;
}
small_blink=0,big_blink=0;
input = adc_read();
if(input > AdcThreshold){
check_blink();
}
if(small_blink && !ON){
menu_counter++;
toggle=1;
if(menu_counter==5) menu_counter=0;
}
else if(big_blink){
//lcd_clear();
if(ON){
ON=0;
bot_stop();
_delay_ms(1000);
toggle=1;
}
else if(menu_counter==0){
_delay_ms(1000);
break;
}
else if(menu_counter==1){
highlight_and_print_string(0,16,"2.Left...");
_delay_ms(1000);
bot_left();
ON=1;
}
else if(menu_counter==2){
highlight_and_print_string(0,24,"3.Right...");
_delay_ms(1000);
bot_right();
ON=1;
}
else if(menu_counter==3){
highlight_and_print_string(0,32,"4.Forward...");
_delay_ms(1000);
bot_forward();
ON=1;
}
else if(menu_counter==4){
highlight_and_print_string(0,40,"5.Backward...");
_delay_ms(1000);
bot_backward();
ON=1;
}
}
if(!ON && toggle){
toggle=0;
//lcd_clear();
print_string(0,0,"===Eye Control===");
print_string(0,8,"1.Wait ");
print_string(0,16,"2.Left ");
print_string(0,24,"3.Right ");
print_string(0,32,"4.Forward ");
print_string(0,40,"5.Backward ");
print_string(0,56,"*S2=ESC*");
switch(menu_counter){
case 0:
highlight_and_print_string(0,8,"1.Wait ");
_delay_ms(100);
break;
case 1:
highlight_and_print_string(0,16,"2.Left ");
_delay_ms(100);
break;
case 2:
highlight_and_print_string(0,24,"3.Right ");
_delay_ms(100);
break;
case 3:
highlight_and_print_string(0,32,"4.Forward ");
_delay_ms(100);
break;
case 4:
highlight_and_print_string(0,40,"5.Backward ");
_delay_ms(100);
break;
default:
break;
}
}
}
}
}
}
