From 92a1095ca8b9cd13f233e26a5e1f70518663806e Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Thu, 14 Apr 2022 14:31:58 +0800
Subject: Add gamma2 correction.

---
 main_simple_scanner.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'main_simple_scanner.cpp')

diff --git a/main_simple_scanner.cpp b/main_simple_scanner.cpp
index 26518b1..91c036e 100644
--- a/main_simple_scanner.cpp
+++ b/main_simple_scanner.cpp
@@ -27,6 +27,7 @@ void generate_image(uint16_t image_width, uint16_t image_height, double viewport
     } else {
         std::cerr << "Antialiasing Samples: " << samples << std::endl;
     }
+    std::cerr << "Initializing context..." << std::endl;
     double r = 1.0 * image_width / image_height;
     viewport<T> *vp;
     if (samples == 1) {
@@ -40,10 +41,15 @@ void generate_image(uint16_t image_width, uint16_t image_height, double viewport
             100)); // the earth
     world.add_object(std::make_shared<sphere>(vec3d{0, 0, sphere_z}, sphere_r));
     timer tm;
+    std::cerr << "Rendering..." << std::endl;
     tm.start_measure();
     auto image = vp->render(world, vec3d::zero(),
                             image_width, image_height); // camera position as the coordinate origin
     tm.stop_measure();
+    std::cerr << "Applying gamma2..." << std::endl;
+    tm.start_measure();
+    image = image.gamma2(); // gamma correction
+    tm.stop_measure();
     if (!caption.empty()) {
         image.print(caption,
                     pixel<T>::from_normalized(1.0, 0.0, 0.0),
-- 
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