feat(dev): add VG-Lite simulator (#5257)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>

scripts/code-format.cfg

@@ -30,6 +30,7 @@
 --exclude=../src/lv_conf_internal.h
 --exclude=../src/core/lv_obj_style_gen.c
 --exclude=../src/core/lv_obj_style_gen.h
+--exclude=../src/dev/vg_lite_tvg/vg_lite.h
 --exclude=../src/libs/gif/gifdec.c
 --exclude=../src/libs/gif/gifdec.h
 --exclude=../src/libs/lodepng/lodepng.c

src/dev/vg_lite_tvg/vg_lite_matrix.c

@@ -0,0 +1,147 @@
+/**
+ * @file vg_lite_matrix.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "../../lv_conf_internal.h"
+
+#if LV_USE_VG_LITE_THORVG
+
+#include <math.h>
+#include <string.h>
+#include "vg_lite.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+#ifndef M_PI
+    #define M_PI 3.1415926f
+#endif
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+vg_lite_error_t vg_lite_identity(vg_lite_matrix_t * matrix)
+{
+    /* Set identify matrix. */
+    matrix->m[0][0] = 1.0f;
+    matrix->m[0][1] = 0.0f;
+    matrix->m[0][2] = 0.0f;
+    matrix->m[1][0] = 0.0f;
+    matrix->m[1][1] = 1.0f;
+    matrix->m[1][2] = 0.0f;
+    matrix->m[2][0] = 0.0f;
+    matrix->m[2][1] = 0.0f;
+    matrix->m[2][2] = 1.0f;
+    return VG_LITE_SUCCESS;
+}
+
+static void multiply(vg_lite_matrix_t * matrix, vg_lite_matrix_t * mult)
+{
+    vg_lite_matrix_t temp;
+    int row, column;
+
+    /* Process all rows. */
+    for(row = 0; row < 3; row++) {
+        /* Process all columns. */
+        for(column = 0; column < 3; column++) {
+            /* Compute matrix entry. */
+            temp.m[row][column] = (matrix->m[row][0] * mult->m[0][column])
+                                  + (matrix->m[row][1] * mult->m[1][column])
+                                  + (matrix->m[row][2] * mult->m[2][column]);
+        }
+    }
+
+    /* Copy temporary matrix into result. */
+    memcpy(matrix, &temp, sizeof(temp));
+}
+
+vg_lite_error_t vg_lite_translate(vg_lite_float_t x, vg_lite_float_t y, vg_lite_matrix_t * matrix)
+{
+    /* Set translation matrix. */
+    vg_lite_matrix_t t = { { {1.0f, 0.0f, x},
+            {0.0f, 1.0f, y},
+            {0.0f, 0.0f, 1.0f}
+        }
+    };
+
+    /* Multiply with current matrix. */
+    multiply(matrix, &t);
+    return VG_LITE_SUCCESS;
+}
+
+vg_lite_error_t vg_lite_scale(vg_lite_float_t scale_x, vg_lite_float_t scale_y, vg_lite_matrix_t * matrix)
+{
+    /* Set scale matrix. */
+    vg_lite_matrix_t s = { { {scale_x, 0.0f, 0.0f},
+            {0.0f, scale_y, 0.0f},
+            {0.0f, 0.0f, 1.0f}
+        }
+    };
+
+    /* Multiply with current matrix. */
+    multiply(matrix, &s);
+    return VG_LITE_SUCCESS;
+}
+
+vg_lite_error_t vg_lite_rotate(vg_lite_float_t degrees, vg_lite_matrix_t * matrix)
+{
+    /* Convert degrees into radians. */
+    vg_lite_float_t angle = degrees / 180.0f * M_PI;
+
+    /* Compuet cosine and sine values. */
+    vg_lite_float_t cos_angle = cosf(angle);
+    vg_lite_float_t sin_angle = sinf(angle);
+
+    /* Set rotation matrix. */
+    vg_lite_matrix_t r = { { {cos_angle, -sin_angle, 0.0f},
+            {sin_angle, cos_angle, 0.0f},
+            {0.0f, 0.0f, 1.0f}
+        }
+    };
+
+    /* Multiply with current matrix. */
+    multiply(matrix, &r);
+    return VG_LITE_SUCCESS;
+}
+
+vg_lite_error_t vg_lite_perspective(vg_lite_float_t px, vg_lite_float_t py, vg_lite_matrix_t * matrix)
+{
+    /* set prespective matrix */
+    vg_lite_matrix_t p = { { {1.0f, 0.0f, 0.0f},
+            {0.0f, 1.0f, 0.0f},
+            {px, py, 1.0f}
+        }
+    };
+    /* Multiply with current matrix. */
+    multiply(matrix, &p);
+    return VG_LITE_SUCCESS;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+#endif /*LV_USE_VG_LITE_THORVG*/