vg_path.h

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/*
 * C
 *
 * Copyright 2022-2026 MicroEJ Corp. All rights reserved.
 * MicroEJ Corp. PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
 
#if !defined VG_PATH_H
#define VG_PATH_H
 
#if defined __cplusplus
extern "C" {
#endif
 
#include "vg_configuration.h"
 
#ifdef VG_FEATURE_PATH
 
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
 
#include <sni.h>
#include <stddef.h>
 
// -----------------------------------------------------------------------------
// Typedefs
// -----------------------------------------------------------------------------
 
#if defined(VG_FEATURE_PATH_DUAL_ARRAY) && (VG_FEATURE_PATH == VG_FEATURE_PATH_DUAL_ARRAY)
 
typedef uint8_t VG_path_command_t;
 
typedef float VG_path_param_t;
 
#endif // VG_FEATURE_PATH_DUAL_ARRAY
 
typedef struct MICROVG_PATH_HEADER {
#if defined(VG_FEATURE_PATH_SINGLE_ARRAY) && (VG_FEATURE_PATH == VG_FEATURE_PATH_SINGLE_ARRAY)
    uint32_t data_size;  
#else // VG_FEATURE_PATH_DUAL_ARRAY
    size_t param_length;
    size_t cmd_length;
    size_t cmd_offset;
#endif
    uint8_t format;
    uint8_t padding1; 
    uint8_t padding2; 
    uint8_t padding3; 
    float bounds_xmin; 
    float bounds_xmax; 
    float bounds_ymin; 
    float bounds_ymax; 
} VG_PATH_HEADER_t;
 
// -----------------------------------------------------------------------------
// Specific path formatting functions [mandatory]
// -----------------------------------------------------------------------------
 
uint8_t VG_PATH_get_path_encoder_format(void);
 
uint32_t VG_PATH_convert_path_command(jint command);
 
// -----------------------------------------------------------------------------
// Specific path formatting functions [optional]
// -----------------------------------------------------------------------------
 
void VG_PATH_initialize(void);
 
uint32_t VG_PATH_get_path_header_size(void);
 
uint32_t VG_PATH_get_path_command_size(jint command, uint32_t nbParams);
 
uint32_t VG_PATH_append_path_command0(jbyte *path, jint array_length, jint cmd);
 
uint32_t VG_PATH_append_path_command1(jbyte *path, jint array_length, jint cmd, jfloat x, jfloat y);
 
uint32_t VG_PATH_append_path_command2(jbyte *path, jint array_length, jint cmd, jfloat x1, jfloat y1, jfloat x2,
                                      jfloat y2);
 
uint32_t VG_PATH_append_path_command3(jbyte *path, jint array_length, jint cmd, jfloat x1, jfloat y1, jfloat x2,
                                      jfloat y2, jfloat x3, jfloat y3);
 
uint32_t VG_PATH_get_command_parameter_number(jint command);
 
#if defined(VG_FEATURE_PATH_DUAL_ARRAY) && (VG_FEATURE_PATH == VG_FEATURE_PATH_DUAL_ARRAY)
 
static inline VG_path_param_t * VG_PATH_get_path_param_begin(VG_PATH_HEADER_t *path) {
    // cppcheck-suppress [misra-c2012-11.3,invalidPointerCast] cast is valid
    return (VG_path_param_t *)(((uint8_t *)path) + VG_PATH_get_path_header_size());
}
 
static inline VG_path_param_t * VG_PATH_get_path_param_end(VG_PATH_HEADER_t *path) {
    return (VG_PATH_get_path_param_begin(path)) + path->param_length;
}
 
static inline VG_path_command_t * VG_PATH_get_path_command_begin(VG_PATH_HEADER_t *path) {
    return ((uint8_t *)VG_PATH_get_path_param_begin(path)) + path->cmd_offset;
}
 
static inline VG_path_command_t * VG_PATH_get_path_command_end(VG_PATH_HEADER_t *path) {
    return (VG_PATH_get_path_command_begin(path)) + path->cmd_length;
}
 
#endif // VG_FEATURE_PATH_DUAL_ARRAY
 
// -----------------------------------------------------------------------------
// EOF
// -----------------------------------------------------------------------------
 
#endif // VG_FEATURE_PATH
 
#ifdef __cplusplus
}
#endif
 
#endif // !defined VG_PATH_H