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 +1,82 @@
+/**
+ * @file lv_draw_triangle.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "lv_draw_triangle_private.h"
+#include "lv_draw_private.h"
+#include "../core/lv_obj.h"
+#include "../misc/lv_math.h"
+#include "../stdlib/lv_mem.h"
+#include "../stdlib/lv_string.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_draw_triangle_dsc_init(lv_draw_triangle_dsc_t * dsc)
+{
+    LV_PROFILER_DRAW_BEGIN;
+    lv_memzero(dsc, sizeof(lv_draw_triangle_dsc_t));
+    dsc->color = lv_color_white();
+    dsc->grad.stops[0].color = lv_color_white();
+    dsc->grad.stops[1].color = lv_color_black();
+    dsc->grad.stops[1].frac = 0xFF;
+    dsc->grad.stops_count = 2;
+    dsc->opa = LV_OPA_COVER;
+    dsc->base.dsc_size = sizeof(lv_draw_triangle_dsc_t);
+    LV_PROFILER_DRAW_END;
+}
+
+lv_draw_triangle_dsc_t * lv_draw_task_get_triangle_dsc(lv_draw_task_t * task)
+{
+    return task->type == LV_DRAW_TASK_TYPE_TRIANGLE ? (lv_draw_triangle_dsc_t *)task->draw_dsc : NULL;
+}
+
+void lv_draw_triangle(lv_layer_t * layer, const lv_draw_triangle_dsc_t * dsc)
+{
+    if(dsc->opa <= LV_OPA_MIN) return;
+
+    LV_PROFILER_DRAW_BEGIN;
+
+    lv_area_t a;
+    a.x1 = (int32_t)LV_MIN3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x);
+    a.y1 = (int32_t)LV_MIN3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y);
+    a.x2 = (int32_t)LV_MAX3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x);
+    a.y2 = (int32_t)LV_MAX3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y);
+
+    lv_draw_task_t * t = lv_draw_add_task(layer, &a, LV_DRAW_TASK_TYPE_TRIANGLE);
+
+    lv_memcpy(t->draw_dsc, dsc, sizeof(*dsc));
+
+    lv_draw_finalize_task_creation(layer, t);
+    LV_PROFILER_DRAW_END;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/