Serial Washed Out

CA3/serial/readImg.cpp

@@ -175,6 +175,31 @@ void sepia() {
  }
 }
 
+unsigned char channel_avg(char channel) {
+ unsigned long long int result = 0;
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < cols; ++j) {
+ if (channel == 'r') result += image.r[i][j];
+ else if (channel == 'g') result += image.g[i][j];
+ else if (channel == 'b') result += image.b[i][j];
+ }
+ }
+ return result / (rows * cols);
+}
+
+void washed_out() {
+ unsigned char red = channel_avg('r');
+ unsigned char green = channel_avg('g');
+ unsigned char blue = channel_avg('b');
+ for (int i = 0; i < rows; ++i) {
+ for (int j = 0; j < cols; ++j) {
+ image.r[i][j] = (image.r[i][j] * 0.4) + (red * 0.6);
+ image.g[i][j] = (image.g[i][j] * 0.4) + (green * 0.6);
+ image.b[i][j] = (image.b[i][j] * 0.4) + (blue * 0.6);
+ }
+ }
+}
+
 int main(int argc, char *argv[]) {
  char *fileBuffer;
  int bufferSize;
@@ -189,6 +214,7 @@ int main(int argc, char *argv[]) {
  getPixlesFromBMP24(bufferSize, fileBuffer);
  smoothing();
  sepia();
+ washed_out();
  writeOutBmp24(fileBuffer, "/home/amin/CLionProjects/Operating_System_Course_Projects/CA3/serial/filtered.bmp",
  bufferSize);