keira: add transform demo

firmware/keira/src/apps/demos/transform.cpp

@@ -0,0 +1,26 @@
+#include "transform.h"
+
+TransformApp::TransformApp() : App("Transform") {
+}
+
+void TransformApp::run() {
+    lilka::Image* face = lilka::resources.loadImage("/sd/face.bmp");
+
+    int x = canvas->width() / 2 - face->width / 2;
+    int y = canvas->height() / 2 - face->height / 2;
+
+    int angle = 0;
+
+    while (1) {
+        canvas->fillScreen(canvas->color565(0, 0, 0));
+        lilka::Transform transform = lilka::Transform().rotate(angle);
+        canvas->drawImageTransformed(face, x, y, transform);
+        queueDraw();
+        angle++;
+
+        lilka::State state = lilka::controller.getState();
+        if (state.a.justPressed) {
+            return;
+        }
+    }
+}

firmware/keira/src/apps/demos/transform.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "app.h"
+
+class TransformApp : public App {
+public:
+    TransformApp();
+
+private:
+    void run() override;
+};

firmware/keira/src/apps/launcher.cpp

@@ -4,6 +4,7 @@
 #include "demos/lines.h"
 #include "demos/disk.h"
 #include "demos/ball.h"
+#include "demos/transform.h"
 #include "demos/epilepsy.h"
 #include "demos/letris.h"
 #include "demos/user_spi.h"
@@ -68,6 +69,7 @@ void LauncherApp::appsMenu() {
     String titles[] = {
         "Лінії",
         "Шайба",
+        "Перетворення",
         "М'ячик",
         "Епілепсія",
         "Летріс",
@@ -80,6 +82,7 @@ void LauncherApp::appsMenu() {
     APP_CLASS_LIST classes = {
         APP_CLASS(DemoLines),
         APP_CLASS(DiskApp),
+        APP_CLASS(TransformApp),
         APP_CLASS(BallApp),
         APP_CLASS(EpilepsyApp),
         APP_CLASS(LetrisApp),