abstract messages for easier use

1 files changed, 7 insertions, 9 deletions

diff --git a/src/display.c b/src/display.c
index ba9bc48..fa3d573 100644
--- a/src/display.c
+++ b/src/display.c
@@ -17,19 +17,19 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
 }
 
 extern unsigned char cam_data[];
+extern unsigned int WIDTH;
+extern unsigned int HEIGHT;
 
-unsigned char WIDTH = 1;
-unsigned char HEIGHT = 1;
 GLubyte pixels[BUF_CAP] = {0};
 
-void pixel(int x, int y, char *buf)
+void pixel(int x, int y)
 {
     // for rotating the screen
     int p = (y*WIDTH + x)*3;
     int b = ((HEIGHT-1-y)*WIDTH+x)*3;
-    pixels[p+0] = buf[b+0];
-    pixels[p+1] = buf[b+1];
-    pixels[p+2] = buf[b+2];
+    pixels[p+0] = cam_data[b+0];
+    pixels[p+1] = cam_data[b+1];
+    pixels[p+2] = cam_data[b+2];
 }
 
 int display(void)
@@ -56,13 +56,11 @@ int display(void)
 
     while (!glfwWindowShouldClose(window))
     {
-        WIDTH = MAX(cam_data[0], 1);
-        HEIGHT = MAX(cam_data[1], 1);
         glfwSetWindowSize(window, WIDTH, HEIGHT);
 
         for(int i = 0; i < HEIGHT; i++)
             for(int j = 0; j < WIDTH; j++)
-                pixel(j, i, &(cam_data[2]));
+                pixel(j, i);
 
         glClear(GL_COLOR_BUFFER_BIT);
         glDrawPixels(WIDTH, HEIGHT, GL_RGB, GL_UNSIGNED_BYTE, pixels);