line function

.clangformat

@@ -1,4 +0,0 @@
-BasedOnStyle: LLVM
-IndentWidth: 4
-TabWidth: 4
-UseTab: Never

src/main.cpp

@@ -1,13 +1,21 @@
 #include "tgaimage.h"
 
 const TGAColor white = TGAColor(255, 255, 255, 255);
-const TGAColor red   = TGAColor(255, 0,   0,   255);
+const TGAColor red = TGAColor(255, 0, 0, 255);
 
-int main(int argc, char** argv) {
-	TGAImage image(100, 100, TGAImage::RGB);
-	image.set(52, 41, red);
-	image.flip_vertically(); // i want to have the origin at the left bottom corner of the image
-	image.write_tga_file("output.tga");
-	return 0;
+void line(int x0, int y0, int x1, int y1, TGAImage &image, TGAColor color) {
+    for (float t = 0.0; t < 1.0; t += 0.01) {
+        int x = x0 + (x1 - x0) * t;
+        int y = y0 + (y1 - y0) * t;
+        image.set(x, y, color);
+    }
 }
 
+int main(int argc, char **argv) {
+    TGAImage image(100, 100, TGAImage::RGB);
+    line(0, 0, 99, 99, image, white);
+    image.flip_vertically(); // i want to have the origin at the left bottom
+                             // corner of the image
+    image.write_tga_file("output.tga");
+    return 0;
+}