44 vg_lite_error_t vg_lite_identity(vg_lite_matrix_t * matrix)  in vg_lite_identity()  argument
47     matrix->m[0][0] = 1.0f;  in vg_lite_identity()
48     matrix->m[0][1] = 0.0f;  in vg_lite_identity()
49     matrix->m[0][2] = 0.0f;  in vg_lite_identity()
50     matrix->m[1][0] = 0.0f;  in vg_lite_identity()
51     matrix->m[1][1] = 1.0f;  in vg_lite_identity()
52     matrix->m[1][2] = 0.0f;  in vg_lite_identity()
53     matrix->m[2][0] = 0.0f;  in vg_lite_identity()
54     matrix->m[2][1] = 0.0f;  in vg_lite_identity()
55     matrix->m[2][2] = 1.0f;  in vg_lite_identity()
58     matrix->scaleX = 1.0f;  in vg_lite_identity()
59     matrix->scaleY = 1.0f;  in vg_lite_identity()
60     matrix->angle   = 0.0f;  in vg_lite_identity()
66 static void multiply(vg_lite_matrix_t * matrix, vg_lite_matrix_t * mult)  in multiply()  argument
76             temp.m[row][column] = (matrix->m[row][0] * mult->m[0][column])  in multiply()
77                                   + (matrix->m[row][1] * mult->m[1][column])  in multiply()
78                                   + (matrix->m[row][2] * mult->m[2][column]);  in multiply()
84     memcpy(matrix, &temp, sizeof(vg_lite_float_t) * 9);  in multiply()
86     memcpy(matrix, &temp, sizeof(temp));  in multiply()
90 vg_lite_error_t vg_lite_translate(vg_lite_float_t x, vg_lite_float_t y, vg_lite_matrix_t * matrix)  in vg_lite_translate()  argument
101     multiply(matrix, &t);  in vg_lite_translate()
106 …_error_t vg_lite_scale(vg_lite_float_t scale_x, vg_lite_float_t scale_y, vg_lite_matrix_t * matrix)  in vg_lite_scale()  argument
117     multiply(matrix, &s);  in vg_lite_scale()
120     matrix->scaleX = matrix->scaleX * scale_x;  in vg_lite_scale()
121     matrix->scaleY = matrix->scaleY * scale_y;  in vg_lite_scale()
127 vg_lite_error_t vg_lite_rotate(vg_lite_float_t degrees, vg_lite_matrix_t * matrix)  in vg_lite_rotate()  argument
145     multiply(matrix, &r);  in vg_lite_rotate()
148     matrix->angle = matrix->angle + degrees;  in vg_lite_rotate()
149     if(matrix->angle >= 360) {  in vg_lite_rotate()
150         vg_lite_uint32_t count = (vg_lite_uint32_t)matrix->angle / 360;  in vg_lite_rotate()
151         matrix->angle = matrix->angle - count * 360;  in vg_lite_rotate()