Rhythm Selection & Cleanup

include/vamp_pico/display.hpp

@@ -3,7 +3,8 @@
 #include <array>
 #include <cstdint>
 
-#include <modulus/types.hpp>
+#include <vamp_pico/artwork.hpp>
+#include <vamp_pico/http_client.hpp>
 #include <vamp_style.hpp>
 
 
@@ -12,27 +13,32 @@ namespace vamp_pico {
 constexpr auto display_width = std::int32_t{320};
 constexpr auto display_height = std::int32_t{240};
 
-constexpr auto color_black = std::uint16_t{0x0000};
-constexpr auto color_white = std::uint16_t{0xffff};
-constexpr auto color_gray = std::uint16_t{0x8410};
+enum class link_status { CONNECTING,
+                         OFFLINE,
+                         CONNECTED,
+                         ERROR };
 
 class display {
 public:
   auto init() -> void;
-  auto fill(std::uint16_t color) -> void;
-  auto fill_rect(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height, std::uint16_t color) -> void;
-  auto draw_text(std::int32_t x, std::int32_t y, std::char_t const *text, std::uint16_t color, std::int32_t scale = 2) -> void;
-  auto show_boot(std::char_t const *line1, std::char_t const *line2, std::uint16_t accent) -> void;
-  auto show_remote(vamp_style::color status, std::char_t const *title, std::char_t const *part, std::uint32_t page, std::uint32_t pages, std::bool_t active, std::bool_t busy = false) -> void;
+  auto show_remote(link_status link, remote_display_state const &state, std::bool_t busy = false) -> void;
+  auto accept_title(std::string_view identifier, std::string_view image) -> std::bool_t;
+  auto reject_title(std::string_view identifier) -> void;
+  auto title_ready() const -> std::bool_t;
+  // At most four scanlines per call, with an 8 ms minimum write interval.
+  auto poll(std::uint64_t now_ms) -> void;
 private:
-  std::bool_t remote_valid_{};
-  vamp_style::color last_status_{};
-  std::bool_t last_active_{};
-  std::bool_t last_busy_{};
-  std::array<std::char_t, 96> last_title_{};
-  std::array<std::char_t, 48> last_part_{};
-  std::uint32_t last_page_{};
-  std::uint32_t last_pages_{};
+  auto dirty(std::size_t begin, std::size_t end) -> void;
+  title_cache title_{};
+  std::array<std::bool_t, display_height> dirty_{};
+  link_status link_{link_status::CONNECTING};
+  std::bool_t active_{};
+  std::bool_t busy_{};
+  sprite part_{sprite::COUNT};
+  std::uint32_t page_{};
+  std::uint32_t pages_{};
+  std::uint64_t last_write_ms_{};
+  std::size_t next_row_{};
 };
 
 }