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show object marker only when found

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test16bit
Steffen Pohle 4 years ago
parent f1e1bd83f7
commit ddc814df7d
1 changed files with 37 additions and 34 deletions
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71
video.cc
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@ -141,45 +141,48 @@ void cb_videoda_draw(GtkWidget *area, cairo_t *cr, int w, int h, gpointer data)
cairo_stroke(cr);
}
else {
//
// draw red cross
cairo_set_line_width(cr, 1.0);
color.blue = 0.0;
color.red = 1.0;
color.green = 0.0;
color.alpha = 1.0;
gdk_cairo_set_source_rgba(cr, &color);
x = atoi (gtk_entry_get_text(GTK_ENTRY(e_x)));
y = atoi (gtk_entry_get_text(GTK_ENTRY(e_y)));
w1 = atoi (gtk_entry_get_text(GTK_ENTRY(e_w)));
h1 = atoi (gtk_entry_get_text(GTK_ENTRY(e_h)));
cairo_move_to(cr, S_X(x), S_Y(y)-10);
cairo_line_to(cr, S_X(x), S_Y(y)+10);
cairo_move_to(cr, S_X(x)-10, S_Y(y));
cairo_line_to(cr, S_X(x)+10, S_Y(y));
cairo_stroke(cr);
//
// green width border
color.blue = 0.0;
color.red = 0.0;
color.green = 1.0;
color.alpha = 1.0;
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, S_X(x-w1/2), S_Y(y-h1/2)+10);
cairo_line_to(cr, S_X(x-w1/2), S_Y(y-h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y-h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y-h1/2)+10);
cairo_move_to(cr, S_X(x-w1/2), S_Y(y+h1/2)-10);
cairo_line_to(cr, S_X(x-w1/2), S_Y(y+h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y+h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y+h1/2)-10);
cairo_stroke(cr);
if (x >= (w1/2) && x < (pixbufw-w1/2)
&& y >= (h1/2) && y < (pixbufh-h1/2)) {
//
// draw red cross
cairo_set_line_width(cr, 1.0);
color.blue = 0.0;
color.red = 1.0;
color.green = 0.0;
color.alpha = 1.0;
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, S_X(x), S_Y(y)-10);
cairo_line_to(cr, S_X(x), S_Y(y)+10);
cairo_move_to(cr, S_X(x)-10, S_Y(y));
cairo_line_to(cr, S_X(x)+10, S_Y(y));
cairo_stroke(cr);
//
// green width border
color.blue = 0.0;
color.red = 0.0;
color.green = 1.0;
color.alpha = 1.0;
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, S_X(x-w1/2), S_Y(y-h1/2)+10);
cairo_line_to(cr, S_X(x-w1/2), S_Y(y-h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y-h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y-h1/2)+10);
cairo_move_to(cr, S_X(x-w1/2), S_Y(y+h1/2)-10);
cairo_line_to(cr, S_X(x-w1/2), S_Y(y+h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y+h1/2));
cairo_line_to(cr, S_X(x+w1/2), S_Y(y+h1/2)-10);
cairo_stroke(cr);
}
}
};

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