Support for viewing BMP files in File Manager and setting as Splash screen (#1242)

* Use filesystem::path type vs string for BMP file name

* Use filesystem::path type vs string for BMP files

* Use a global const file path string for "/splash.bmp"

* Support for viewing BMP files and setting as Splash screen

* Support for viewing BMP files and setting as Splash screen

* Support for viewing BMP files and setting as Splash screen

* Update ui_ss_viewer.cpp

* Update ui_ss_viewer.hpp

firmware/application/apps/ui_ss_viewer.cpp

@@ -26,6 +26,8 @@ namespace fs = std::filesystem;
 
 namespace ui {
 
+const std::filesystem::path splash_dot_bmp{u"/splash.bmp"};
+
 ScreenshotViewer::ScreenshotViewer(
     NavigationView& nav,
     const std::filesystem::path& path)
@@ -40,11 +42,9 @@ bool ScreenshotViewer::on_key(KeyEvent) {
 }
 
 void ScreenshotViewer::paint(Painter& painter) {
-    constexpr size_t pixel_width = 240;
-    constexpr size_t pixel_height = 320;
     File file{};
 
-    painter.fill_rectangle({0, 0, pixel_width, pixel_height}, Color::black());
+    painter.fill_rectangle({0, 0, screen_width, screen_height}, Color::black());
 
     auto show_invalid = [&]() {
         painter.draw_string({10, 160}, Styles::white, "Not a valid screenshot.");
@@ -65,19 +65,19 @@ void ScreenshotViewer::paint(Painter& painter) {
     constexpr size_t read_chunk = 80;  // NB: must be a factor of pixel_width.
     constexpr size_t buffer_size = sizeof(ColorRGB888) * read_chunk;
     uint8_t buffer[buffer_size];
-    std::array<Color, pixel_width> pixel_data;
+    std::array<Color, screen_width> pixel_data;
 
     // Seek past all the headers.
     file.seek(43);
 
-    for (auto line = 0u; line < pixel_height; ++line) {
+    for (auto line = 0u; line < screen_height; ++line) {
         // Seek past the per-line header.
         file.seek(file.tell() + 6);
 
         // Per comment in PNGWriter, read in chunks of 80.
         // NB: Reading in one large chunk caused corruption so there's
         // likely a bug lurking in the SD Card/FatFs layer.
-        for (auto offset = 0u; offset < pixel_width; offset += read_chunk) {
+        for (auto offset = 0u; offset < screen_width; offset += read_chunk) {
             auto read = file.read(buffer, buffer_size);
 
             if (!read || *read != buffer_size) {
@@ -92,8 +92,42 @@ void ScreenshotViewer::paint(Painter& painter) {
             }
         }
 
-        display.draw_pixels({0, (int)line, pixel_width, 1}, pixel_data);
+        display.draw_pixels({0, (int)line, screen_width, 1}, pixel_data);
     }
 }
 
-}  // namespace ui
+SplashViewer::SplashViewer(
+    NavigationView& nav,
+    const std::filesystem::path& path)
+    : nav_{nav},
+      path_{path} {
+    valid_image = false;
+    set_focusable(true);
+}
+
+bool SplashViewer::on_key(const KeyEvent key) {
+    if (valid_image && key == KeyEvent::Right) {
+        delete_file(splash_dot_bmp);
+        copy_file(path_, splash_dot_bmp);
+    }
+
+    nav_.pop();
+    return true;
+}
+
+void SplashViewer::paint(Painter& painter) {
+    painter.fill_rectangle({0, 0, screen_width, screen_height}, Color::black());
+
+    if (!portapack::display.drawBMP2({0, 0}, path_)) {
+        painter.draw_string({10, 160}, Styles::white, "Not a valid splash image.");
+        return;
+    }
+
+    // Show option to set splash screen if it's not already the splash screen
+    if (!path_iequal(path_, splash_dot_bmp)) {
+        painter.draw_string({0, 0}, Styles::white, "*RIGHT BUTTON UPDATES SPLASH*");
+        valid_image = true;
+    }
+}
+
+}  // namespace ui