From 0d887779b8dee042999d04a29d4a095a3df93a6c Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Tue, 23 Jul 2019 23:21:14 -0700
Subject: asi camera adjustments

record images in 16 bit mode, is the biggest change
---
 src/asicam/mod.rs | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

(limited to 'src/asicam')

diff --git a/src/asicam/mod.rs b/src/asicam/mod.rs
index 4d006ae..93ed683 100644
--- a/src/asicam/mod.rs
+++ b/src/asicam/mod.rs
@@ -117,25 +117,29 @@ impl Camera {
             ASICamera2::ASIGetDataAfterExp(
                 self.id,
                 self.image_buffer,
-                self.curr_width as i64 * self.curr_height as i64 * 3
+                self.curr_width as i64 * self.curr_height as i64 * 2
             )
         };
         build_result((), res)?;
+        let mut real_image = vec![0; self.curr_width as usize * self.curr_height as usize * 2 * 3];
+        for i in 0..(self.curr_width * self.curr_height) {
+            unsafe {
+            real_image[i as usize * 6 + 0] = *self.image_buffer.offset(i as isize * 2 + 1);
+            real_image[i as usize * 6 + 2] = *self.image_buffer.offset(i as isize * 2 + 1);
+            real_image[i as usize * 6 + 4] = *self.image_buffer.offset(i as isize * 2 + 1);
+            real_image[i as usize * 6 + 1] = *self.image_buffer.offset(i as isize * 2);
+            real_image[i as usize * 6 + 3] = *self.image_buffer.offset(i as isize * 2);
+            real_image[i as usize * 6 + 5] = *self.image_buffer.offset(i as isize * 2);
+            }
+        }
 
         let dest = Path::new(path);
         let file = File::create(dest).unwrap();
         let ref mut w = BufWriter::new(file);
         let mut encoder = png::Encoder::new(w, self.curr_width, self.curr_height);
-        encoder.set(png::ColorType::RGB).set(png::BitDepth::Eight);
+        encoder.set(png::ColorType::RGB).set(png::BitDepth::Sixteen);
         let mut writer = encoder.write_header().unwrap();
-        writer.write_image_data(
-            unsafe {
-                std::slice::from_raw_parts(
-                    self.image_buffer,
-                    self.curr_width as usize * self.curr_height as usize* 3
-                )
-            }
-        ).unwrap();
+        writer.write_image_data(&real_image).unwrap();
         Ok(())
     }
 
@@ -248,10 +252,10 @@ pub fn acquire(camera_id: i32) -> Result<Camera> {
         camera.curr_height = camera_props.max_height as u32;
         camera.color_format = ImageType::RGB24;
         camera.image_buffer = alloc(
-            Layout::from_size_align(camera.curr_width as usize * camera.curr_height as usize * 3, 8).unwrap()
+            Layout::from_size_align(camera.curr_width as usize * camera.curr_height as usize * 2, 8).unwrap()
         );
 
-        let res = ASICamera2::ASISetROIFormat(camera_id, camera.width as i32, camera.height as i32, 1, ImageType::RGB24 as i32);
+        let res = ASICamera2::ASISetROIFormat(camera_id, camera.width as i32, camera.height as i32, 1, ImageType::RAW16 as i32);
         build_result((), res)?;
         println!("Set ROI/Format");
 
-- 
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