LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 26c9098630
commit e2f199c6bf
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,79 @@
+/**
+ * @file lv_draw_mask.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_draw_mask_private.h"
+#include "lv_draw_private.h"
+#include "../core/lv_refr.h"
+#include "../misc/lv_math.h"
+#include "../misc/lv_types.h"
+#include "../stdlib/lv_string.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void LV_ATTRIBUTE_FAST_MEM lv_draw_mask_rect_dsc_init(lv_draw_mask_rect_dsc_t * dsc)
+{
+    lv_memzero(dsc, sizeof(lv_draw_mask_rect_dsc_t));
+}
+
+lv_draw_mask_rect_dsc_t * lv_draw_task_get_mask_rect_dsc(lv_draw_task_t * task)
+{
+    return task->type == LV_DRAW_TASK_TYPE_MASK_RECTANGLE ? (lv_draw_mask_rect_dsc_t *)task->draw_dsc : NULL;
+}
+
+void LV_ATTRIBUTE_FAST_MEM lv_draw_mask_rect(lv_layer_t * layer, const lv_draw_mask_rect_dsc_t * dsc)
+{
+    if(!lv_color_format_has_alpha(layer->color_format)) {
+        LV_LOG_WARN("Only layers with alpha channel can be masked");
+        return;
+    }
+    LV_PROFILER_DRAW_BEGIN;
+
+    lv_draw_task_t * t = lv_draw_add_task(layer, &layer->buf_area, LV_DRAW_TASK_TYPE_MASK_RECTANGLE);
+
+    lv_memcpy(t->draw_dsc, dsc, sizeof(*dsc));
+
+    lv_draw_dsc_base_t * base_dsc = t->draw_dsc;
+    base_dsc->layer = layer;
+
+    if(base_dsc->obj && lv_obj_has_flag(base_dsc->obj, LV_OBJ_FLAG_SEND_DRAW_TASK_EVENTS)) {
+        /*Disable sending LV_EVENT_DRAW_TASK_ADDED first to avoid triggering recursive
+         *event calls due draw task adds in the event*/
+        lv_obj_remove_flag(base_dsc->obj, LV_OBJ_FLAG_SEND_DRAW_TASK_EVENTS);
+        lv_obj_send_event(dsc->base.obj, LV_EVENT_DRAW_TASK_ADDED, t);
+        lv_obj_add_flag(base_dsc->obj, LV_OBJ_FLAG_SEND_DRAW_TASK_EVENTS);
+    }
+
+    lv_draw_finalize_task_creation(layer, t);
+    LV_PROFILER_DRAW_END;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/