static void area_main_update(area_context_t *context) {
/* also setup the local error messages here, so they are */
/* updated for all entries at once */
gboolean sensitive;
if(!context->bounds.valid()) {
sensitive = FALSE;
} else if(!context->bounds.normalized()) {
gtk_label_set_text(GTK_LABEL(context->direct.error),
_("\"From\" must be smaller than \"to\" value!"));
gtk_label_set_text(GTK_LABEL(context->extent.error),
_("Extents must be positive!"));
sensitive = FALSE;
} else {
gtk_label_set_text(GTK_LABEL(context->direct.error), "");
gtk_label_set_text(GTK_LABEL(context->extent.error), "");
sensitive = TRUE;
}
gtk_dialog_set_response_sensitive(context->dialog, GTK_RESPONSE_ACCEPT, sensitive);
/* check if area size exceeds recommended values */
if(selected_area(context) > WARN_OVER)
gtk_widget_show(context->warning);
else
gtk_widget_hide(context->warning);
}
static bool area_warning(area_context_t *context) {
bool ret = true;
/* check if area size exceeds recommended values */
double area = selected_area(context);
if(area > WARN_OVER) {
g_string text(warn_text(area));
const trstring msg = trstring("%1\n\nDo you really want to continue?").arg(text.get());
text.reset();
ret = osm2go_platform::yes_no(_("Area size warning!"), msg,
MISC_AGAIN_ID_AREA_TOO_BIG | MISC_AGAIN_FLAG_DONT_SAVE_NO, context->dialog.get());
}
return ret;
}
static void on_area_warning_clicked(area_context_t *context) {
double area = selected_area(context);
g_string msg(warn_text(area));
warning_dlg(msg.get(), context->dialog.get());
}
int main(int argc, char *argv[]){
// 1. read image file
char *filename = (argc >= 2) ? argv[1] : (char*)"/Users/naoto/git/opencv_gl/opencv/fruits.jpg";
original_image = cv::imread(filename);//多分ここら辺はすべてポインタ渡し。だからコピーする時は注意
if(original_image.empty()){
printf("ERROR: image not found!\n");
return 0;
}
//print hot keys
printf( "Hot keys: \n"
"\tESC or q - quit the program\n"
"\tr - reverse mode\n"
"\tz - undo reverse");
// 2. prepare window
cv::namedWindow("image",1);
// 3. prepare Mat objects for processing-mask and processed-image
selected_image=original_image.clone(); // Matオブジェクトのクローンを生成する
// 3. prepare Mat objects for processing-mask and processed-image
// Matオブジェクトのクローンを生成する
reverse_image=original_image.clone();//
// 4. show image to window for generating mask
cv::imshow("image", selected_image);
// 5. set callback function for mouse operations
cv::setMouseCallback("image", on_mouse,0);// マウス操作のコールバック関数を登録 3つ目の引数は
//http://opencv.jp/opencv-2.2/py/highgui_user_interface.html どれがどれかは教科書見て
bool loop_flag = true;
while(loop_flag){
// 6. wait for key input
int c = cv::waitKey(0);
// 7. process according to input
switch(c){
case 27://ESC
case 'q':
loop_flag = false;
break;
case 'r':{//{}にしないと、二つの変数のスコープがswitch文内になってしまうため、初期化されない可能性が
//http://blog.livedoor.jp/bribser_dev/archives/4181608.html
//矩形の一部分を変数に代入してくる。ポインタ渡し的なやつなので、元のデータの内容も書きかわる(浅いコピー?)
//http://book.mynavi.jp/support/pc/opencv2/c3/opencv_img.html
//ネガポジの反転
//cv::Mat(selected_data,selected_area) というのをマスクすれば良いのかな?
cv::Rect selected_area(prev_pt,prev_end_pt);
cv::Mat buf_input = selected_image(selected_area);
cv::Mat buf_output = reverse_image(selected_area);
cv::bitwise_not(buf_input, buf_output);
cv::imshow("image", reverse_image);
break;}
case 'z'://ctrl+zだと思ってもらえれば 選択状態へ戻る
cv::imshow("image", selected_image);
reverse_image=original_image.clone();
selected=true;
break;
}
}
return 0;
}
