From 9762c44796e5575782216b4c2d39d3bc55c869d6 Mon Sep 17 00:00:00 2001
From: Evgenij Titarenko <frundle@teasanctuary.ru>
Date: Wed, 3 Apr 2024 08:56:21 +0300
Subject: [PATCH] lab01_Ver0.1

---
 main.cpp | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index d0ba901..8444d6c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,9 +4,32 @@
 const std::string FILENAME = "../elef.bmp";
 const std::string FILENAME_OUT = "../elef_out.bmp";
 
+void lab01() {
+    auto og_image = readBMPImage(FILENAME);
+    auto pixels = og_image.pixels_copy();
+    for (int i = 0; i < og_image.height(); ++i) {
+        for (int j = 0; j < og_image.width(); ++j) {
+            uint8_t gray = pixels[i][j].r / 3 + pixels[i][j].g / 3 + pixels[i][j].b / 3;
+            pixels[i][j] = {gray, gray, gray};
+        }
+    }
+    auto image1 = new BMPImage(og_image.fileHeader_copy(), og_image.infoHeader_copy(), pixels);
+    auto pixels2 = image1->pixels_copy();
+    for (int i = 0; i < og_image.height(); ++i) {
+        for (int j = 0; j < og_image.width(); ++j) {
+            uint8_t gray = 0;
+            if (pixels2[i][j].r > 80) gray = 255;
+            pixels2[i][j] = {gray, gray, gray};
+        }
+    }
+    auto image2 = new BMPImage(og_image.fileHeader_copy(), og_image.infoHeader_copy(), pixels2);
+    image1->write("../elef_gs.bmp");
+    image2->write("../elef_bw.bmp");
+    og_image.write("../elef_out.bmp");
+//    image.write(FILENAME_OUT);
+}
 
 int main() {
-    auto image = readBMPImage(FILENAME);
-    image.write(FILENAME_OUT);
+    lab01();
     return 0;
 }