rendering different colors worksgit add .!

testing/render_test/main.cpp

@@ -0,0 +1,20 @@
+#include <tart.h>
+
+int main (int argc, char *argv[]) {
+    struct tart_window window = tart_create_window();
+    struct tart_buffer mainbuff = tart_create_buffer(109, {20,20},{20,20});
+    struct tart_cell cells[20*20];
+    for(int i = 1; i < 20*20; i += 2) {
+        cells[i] = tart_create_cell('^', TART_STYLE_BOLD, TART_COLOR_BLACK_FOREGROUND, TART_COLOR_WHITE_BACKGROUND);
+    }
+    for(int i = 0; i <  + 20*20; i += 2) {
+        cells[i] = tart_create_cell('^', TART_STYLE_BOLD, TART_COLOR_WHITE_BACKGROUND, TART_COLOR_BLACK_BACKGROUND);
+    }
+    tart_add_cells_to_buffer(&mainbuff, cells);
+
+    char* t;
+    tart_add_buffer(&window, mainbuff);
+    tart_draw_window(&window, t);
+    
+    return 0;
+}