Pebble normal vs. text layers

gistfile1.c

#include <pebble.h>
#include <pebble_fonts.h>

static Window *window;
static Layer *left;
static TextLayer *right;

static GFont font;

static void draw_left(Layer *layer, GContext *ctx) {
    graphics_context_set_text_color(ctx, GColorBlack);
    graphics_draw_text(ctx, "T", font, (GRect) { .origin = {0, 0}, .size = {72, 84} },
                GTextOverflowModeTrailingEllipsis, GTextAlignmentRight, NULL);
}

static void window_load(Window *window) {
  Layer *window_layer = window_get_root_layer(window);

  font = fonts_get_system_font(FONT_KEY_BITHAM_42_BOLD);

  left = layer_create(GRect(0, 0, 72, 168));
  layer_set_bounds(left, (GRect) { .origin = { 0, 20 }, .size = { 72, 84 } } );
  layer_set_update_proc(left, draw_left);
  layer_add_child(window_layer, left);

  right = text_layer_create(GRect(72, 0, 72, 168));
  layer_set_bounds(text_layer_get_layer(right), (GRect) { .origin = { 0, 20 }, .size = { 72, 84 } } );
  text_layer_set_font(right, font);
  text_layer_set_text(right, "T");
  text_layer_set_text_alignment(right, GTextAlignmentLeft);
  layer_add_child(window_layer, text_layer_get_layer(right));
}

static void window_unload(Window *window) {
    layer_destroy(left);
    text_layer_destroy(right);
}

static void init(void) {
  window = window_create();
  window_set_window_handlers(window, (WindowHandlers) {
    .load = window_load,
    .unload = window_unload,
  });
  window_stack_push(window, true);
}

static void deinit(void) {
  window_destroy(window);
}

int main(void) {
  init();
  app_event_loop();
  deinit();
}