[FL-1942] Applications: Display Test. u8g2 usage refactoring. #770

applications/debug_tools/display_test/view_display_test.c

@@ -0,0 +1,185 @@
+#include "view_display_test.h"
+
+typedef struct {
+    uint32_t test;
+    uint32_t size;
+    uint32_t counter;
+    bool flip_flop;
+} ViewDisplayTestModel;
+
+struct ViewDisplayTest {
+    View* view;
+    osTimerId_t timer;
+};
+
+static void view_display_test_draw_callback_intro(Canvas* canvas, void* _model) {
+    canvas_draw_str(canvas, 12, 24, "Use < and > to switch tests");
+    canvas_draw_str(canvas, 12, 36, "Use ^ and v to switch size");
+    canvas_draw_str(canvas, 32, 48, "Use (o) to flip");
+}
+
+static void view_display_test_draw_callback_fill(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    if(model->flip_flop) {
+        uint8_t width = canvas_width(canvas);
+        uint8_t height = canvas_height(canvas);
+        canvas_draw_box(canvas, 0, 0, width, height);
+    }
+}
+
+static void view_display_test_draw_callback_hstripe(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    uint8_t block = 1 + model->size;
+    uint8_t width = canvas_width(canvas);
+    uint8_t height = canvas_height(canvas);
+
+    for(uint8_t y = model->flip_flop * block; y < height; y += 2 * block) {
+        canvas_draw_box(canvas, 0, y, width, block);
+    }
+}
+
+static void view_display_test_draw_callback_vstripe(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    uint8_t block = 1 + model->size;
+    uint8_t width = canvas_width(canvas);
+    uint8_t height = canvas_height(canvas);
+
+    for(uint8_t x = model->flip_flop * block; x < width; x += 2 * block) {
+        canvas_draw_box(canvas, x, 0, block, height);
+    }
+}
+
+static void view_display_test_draw_callback_check(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    uint8_t block = 1 + model->size;
+    uint8_t width = canvas_width(canvas);
+    uint8_t height = canvas_height(canvas);
+
+    bool flip_flop = model->flip_flop;
+    for(uint8_t x = 0; x < width; x += block) {
+        bool last_flip_flop = flip_flop;
+        for(uint8_t y = 0; y < height; y += block) {
+            if(flip_flop) {
+                canvas_draw_box(canvas, x, y, block, block);
+            }
+            flip_flop = !flip_flop;
+        }
+        if(last_flip_flop == flip_flop) {
+            flip_flop = !flip_flop;
+        }
+    }
+}
+
+static void view_display_test_draw_callback_move(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    uint8_t block = 1 + model->size;
+    uint8_t width = canvas_width(canvas) - block;
+    uint8_t height = canvas_height(canvas) - block;
+
+    uint8_t x = model->counter % width;
+    if((model->counter / width) % 2) {
+        x = width - x;
+    }
+
+    uint8_t y = model->counter % height;
+    if((model->counter / height) % 2) {
+        y = height - y;
+    }
+
+    canvas_draw_box(canvas, x, y, block, block);
+}
+
+ViewDrawCallback view_display_test_tests[] = {
+    view_display_test_draw_callback_intro,
+    view_display_test_draw_callback_fill,
+    view_display_test_draw_callback_hstripe,
+    view_display_test_draw_callback_vstripe,
+    view_display_test_draw_callback_check,
+    view_display_test_draw_callback_move,
+};
+
+static void view_display_test_draw_callback(Canvas* canvas, void* _model) {
+    ViewDisplayTestModel* model = _model;
+    view_display_test_tests[model->test](canvas, _model);
+}
+
+static bool view_display_test_input_callback(InputEvent* event, void* context) {
+    ViewDisplayTest* instance = context;
+
+    bool consumed = false;
+    if(event->type == InputTypeShort || event->type == InputTypeRepeat) {
+        with_view_model(
+            instance->view, (ViewDisplayTestModel * model) {
+                if(event->key == InputKeyLeft && model->test > 0) {
+                    model->test--;
+                    consumed = true;
+                } else if(
+                    event->key == InputKeyRight &&
+                    model->test < (COUNT_OF(view_display_test_tests) - 1)) {
+                    model->test++;
+                    consumed = true;
+                } else if(event->key == InputKeyDown && model->size > 0) {
+                    model->size--;
+                    consumed = true;
+                } else if(event->key == InputKeyUp && model->size < 24) {
+                    model->size++;
+                    consumed = true;
+                } else if(event->key == InputKeyOk) {
+                    model->flip_flop = !model->flip_flop;
+                    consumed = true;
+                }
+                return consumed;
+            });
+    }
+
+    return consumed;
+}
+
+static void view_display_test_enter(void* context) {
+    ViewDisplayTest* instance = context;
+    osTimerStart(instance->timer, osKernelGetTickFreq() / 32);
+}
+
+static void view_display_test_exit(void* context) {
+    ViewDisplayTest* instance = context;
+    osTimerStop(instance->timer);
+}
+
+static void view_display_test_timer_callback(void* context) {
+    ViewDisplayTest* instance = context;
+    with_view_model(
+        instance->view, (ViewDisplayTestModel * model) {
+            model->counter++;
+            return true;
+        });
+}
+
+ViewDisplayTest* view_display_test_alloc() {
+    ViewDisplayTest* instance = furi_alloc(sizeof(ViewDisplayTest));
+
+    instance->view = view_alloc();
+    view_set_context(instance->view, instance);
+    view_allocate_model(instance->view, ViewModelTypeLockFree, sizeof(ViewDisplayTestModel));
+    view_set_draw_callback(instance->view, view_display_test_draw_callback);
+    view_set_input_callback(instance->view, view_display_test_input_callback);
+    view_set_enter_callback(instance->view, view_display_test_enter);
+    view_set_exit_callback(instance->view, view_display_test_exit);
+
+    instance->timer =
+        osTimerNew(view_display_test_timer_callback, osTimerPeriodic, instance, NULL);
+
+    return instance;
+}
+
+void view_display_test_free(ViewDisplayTest* instance) {
+    furi_assert(instance);
+
+    osTimerDelete(instance->timer);
+    view_free(instance->view);
+    free(instance);
+}
+
+View* view_display_test_get_view(ViewDisplayTest* instance) {
+    furi_assert(instance);
+    return instance->view;
+}