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Implement 2D graphic API (#87)

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* Implement 2D graphic library based on LittlevGL

* Add lvgl license file
This commit is contained in:
Weining
2019-08-01 16:57:54 +08:00
committed by wenyongh
parent 1db5a2f697
commit 9aa9cbde77
86 changed files with 8675 additions and 10 deletions
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37
core/iwasm/lib/native-interface/gui_api.h Normal file
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@ -0,0 +1,37 @@
/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GUI_API_H_
#define GUI_API_H_
#include "bh_platform.h"
#ifdef __cplusplus
extern "C" {
#endif
void wasm_obj_native_call(int32 func_id, uint32 argv_offset, uint32 argc);
void wasm_btn_native_call(int32 func_id, uint32 argv_offset, uint32 argc);
void wasm_label_native_call(int32 func_id, uint32 argv_offset, uint32 argc);
void wasm_cb_native_call(int32 func_id, uint32 argv_offset, uint32 argc);
void wasm_list_native_call(int32 func_id, uint32 argv_offset, uint32 argc);
#ifdef __cplusplus
}
#endif
#endif /* GUI_API_H_ */

2
core/iwasm/lib/native-interface/native_interface.h
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@ -84,5 +84,7 @@ void wasm_close_connection(uint32 handle);
int wasm_send_on_connection(uint32 handle, int32 data_offset, uint32 len);
bool wasm_config_connection(uint32 handle, int32 cfg_offset, uint32 len);
#include "gui_api.h"
#endif /* DEPS_SSG_MICRO_RUNTIME_WASM_PO
C_APP_LIBS_NATIVE_INTERFACE_NATIVE_INTERFACE_H_ */

2
core/iwasm/lib/native-interface/shared_utils.h
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@ -134,6 +134,8 @@ char * pack_response(response_t *response, int * size);
response_t * unpack_response(char * packet, int size, response_t * response);
void free_req_resp_packet(char * packet);
#include "wgl_shared_utils.h"
#ifdef __cplusplus
}
#endif

342
core/iwasm/lib/native-interface/wgl_shared_utils.h Normal file
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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WAMR_GRAPHIC_LIBRARY_SHARED_UTILS_H
#define WAMR_GRAPHIC_LIBRARY_SHARED_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
#include "../3rdparty/lv_conf.h"
typedef lv_coord_t wgl_coord_t; /* lv_coord_t is defined in lv_conf.h */
/**
* Represents a point on the screen.
*/
typedef struct
{
lv_coord_t x;
lv_coord_t y;
} wgl_point_t;
/** Represents an area of the screen. */
typedef struct
{
lv_coord_t x1;
lv_coord_t y1;
lv_coord_t x2;
lv_coord_t y2;
} wgl_area_t;
/** Describes the properties of a glyph. */
typedef struct
{
uint16_t adv_w; /**< The glyph needs this space. Draw the next glyph after this width. 8 bit integer, 4 bit fractional */
uint8_t box_w; /**< Width of the glyph's bounding box*/
uint8_t box_h; /**< Height of the glyph's bounding box*/
int8_t ofs_x; /**< x offset of the bounding box*/
int8_t ofs_y; /**< y offset of the bounding box*/
uint8_t bpp; /**< Bit-per-pixel: 1, 2, 4, 8*/
}wgl_font_glyph_dsc_t;
/*Describe the properties of a font*/
typedef struct _wgl_font_struct
{
/** Get a glyph's descriptor from a font*/
bool (*get_glyph_dsc)(const struct _wgl_font_struct *, wgl_font_glyph_dsc_t *, uint32_t letter, uint32_t letter_next);
/** Get a glyph's bitmap from a font*/
const uint8_t * (*get_glyph_bitmap)(const struct _wgl_font_struct *, uint32_t);
/*Pointer to the font in a font pack (must have the same line height)*/
uint8_t line_height; /**< The real line height where any text fits*/
uint8_t base_line; /**< Base line measured from the top of the line_height*/
void * dsc; /**< Store implementation specific data here*/
#if LV_USE_USER_DATA
wgl_font_user_data_t user_data; /**< Custom user data for font. */
#endif
} wgl_font_t;
#if LV_COLOR_DEPTH == 1
#define LV_COLOR_SIZE 8
#elif LV_COLOR_DEPTH == 8
#define LV_COLOR_SIZE 8
#elif LV_COLOR_DEPTH == 16
#define LV_COLOR_SIZE 16
#elif LV_COLOR_DEPTH == 32
#define LV_COLOR_SIZE 32
#else
#error "Invalid LV_COLOR_DEPTH in lv_conf.h! Set it to 1, 8, 16 or 32!"
#endif
/**********************
* TYPEDEFS
**********************/
typedef union
{
uint8_t blue : 1;
uint8_t green : 1;
uint8_t red : 1;
uint8_t full : 1;
} wgl_color1_t;
typedef union
{
struct
{
uint8_t blue : 2;
uint8_t green : 3;
uint8_t red : 3;
} ch;
uint8_t full;
} wgl_color8_t;
typedef union
{
struct
{
#if LV_COLOR_16_SWAP == 0
uint16_t blue : 5;
uint16_t green : 6;
uint16_t red : 5;
#else
uint16_t green_h : 3;
uint16_t red : 5;
uint16_t blue : 5;
uint16_t green_l : 3;
#endif
} ch;
uint16_t full;
} wgl_color16_t;
typedef union
{
struct
{
uint8_t blue;
uint8_t green;
uint8_t red;
uint8_t alpha;
} ch;
uint32_t full;
} wgl_color32_t;
#if LV_COLOR_DEPTH == 1
typedef uint8_t wgl_color_int_t;
typedef wgl_color1_t wgl_color_t;
#elif LV_COLOR_DEPTH == 8
typedef uint8_t wgl_color_int_t;
typedef wgl_color8_t wgl_color_t;
#elif LV_COLOR_DEPTH == 16
typedef uint16_t wgl_color_int_t;
typedef wgl_color16_t wgl_color_t;
#elif LV_COLOR_DEPTH == 32
typedef uint32_t wgl_color_int_t;
typedef wgl_color32_t wgl_color_t;
#else
#error "Invalid LV_COLOR_DEPTH in lv_conf.h! Set it to 1, 8, 16 or 32!"
#endif
typedef uint8_t wgl_opa_t;
/*Border types (Use 'OR'ed values)*/
enum {
WGL_BORDER_NONE = 0x00,
WGL_BORDER_BOTTOM = 0x01,
WGL_BORDER_TOP = 0x02,
WGL_BORDER_LEFT = 0x04,
WGL_BORDER_RIGHT = 0x08,
WGL_BORDER_FULL = 0x0F,
WGL_BORDER_INTERNAL = 0x10, /**< FOR matrix-like objects (e.g. Button matrix)*/
};
typedef uint8_t wgl_border_part_t;
/*Shadow types*/
enum {
WGL_SHADOW_BOTTOM = 0, /**< Only draw bottom shadow */
WGL_SHADOW_FULL, /**< Draw shadow on all sides */
};
typedef uint8_t wgl_shadow_type_t;
/**
* Objects in LittlevGL can be assigned a style - which holds information about
* how the object should be drawn.
*
* This allows for easy customization without having to modify the object's design
* function.
*/
typedef struct
{
uint8_t glass : 1; /**< 1: Do not inherit this style*/
/** Object background. */
struct
{
wgl_color_t main_color; /**< Object's main background color. */
wgl_color_t grad_color; /**< Second color. If not equal to `main_color` a gradient will be drawn for the background. */
wgl_coord_t radius; /**< Object's corner radius. You can use #WGL_RADIUS_CIRCLE if you want to draw a circle. */
wgl_opa_t opa; /**< Object's opacity (0-255). */
struct
{
wgl_color_t color; /**< Border color */
wgl_coord_t width; /**< Border width */
wgl_border_part_t part; /**< Which borders to draw */
wgl_opa_t opa; /**< Border opacity. */
} border;
struct
{
wgl_color_t color;
wgl_coord_t width;
wgl_shadow_type_t type; /**< Which parts of the shadow to draw */
} shadow;
struct
{
wgl_coord_t top;
wgl_coord_t bottom;
wgl_coord_t left;
wgl_coord_t right;
wgl_coord_t inner;
} padding;
} body;
/** Style for text drawn by this object. */
struct
{
wgl_color_t color; /**< Text color */
wgl_color_t sel_color; /**< Text selection background color. */
const wgl_font_t * font;
wgl_coord_t letter_space; /**< Space between letters */
wgl_coord_t line_space; /**< Space between lines (vertical) */
wgl_opa_t opa; /**< Text opacity */
} text;
/**< Style of images. */
struct
{
wgl_color_t color; /**< Color to recolor the image with */
wgl_opa_t intense; /**< Opacity of recoloring (0 means no recoloring) */
wgl_opa_t opa; /**< Opacity of whole image */
} image;
/**< Style of lines (not borders). */
struct
{
wgl_color_t color;
wgl_coord_t width;
wgl_opa_t opa;
uint8_t rounded : 1; /**< 1: rounded line endings*/
} line;
} wgl_style_t;
/* Object native function IDs */
enum {
OBJ_FUNC_ID_DEL,
OBJ_FUNC_ID_DEL_ASYNC,
OBJ_FUNC_ID_CLEAN,
OBJ_FUNC_ID_SET_EVT_CB,
OBJ_FUNC_ID_ALIGN,
/* Number of functions */
_OBJ_FUNC_ID_NUM,
};
/* Button native function IDs */
enum {
BTN_FUNC_ID_CREATE,
BTN_FUNC_ID_SET_TOGGLE,
BTN_FUNC_ID_SET_STATE,
BTN_FUNC_ID_TOGGLE,
BTN_FUNC_ID_SET_INK_IN_TIME,
BTN_FUNC_ID_SET_INK_WAIT_TIME,
BTN_FUNC_ID_SET_INK_OUT_TIME,
BTN_FUNC_ID_GET_STATE,
BTN_FUNC_ID_GET_TOGGLE,
BTN_FUNC_ID_GET_INK_IN_TIME,
BTN_FUNC_ID_GET_INK_WAIT_TIME,
BTN_FUNC_ID_GET_INK_OUT_TIME,
/* Number of functions */
_BTN_FUNC_ID_NUM,
};
/* Check box native function IDs */
enum {
CB_FUNC_ID_CREATE,
CB_FUNC_ID_SET_TEXT,
CB_FUNC_ID_SET_STATIC_TEXT,
CB_FUNC_ID_GET_TEXT,
CB_FUNC_ID_GET_TEXT_LENGTH,
/* Number of functions */
_CB_FUNC_ID_NUM,
};
/* List native function IDs */
enum {
LIST_FUNC_ID_CREATE,
LIST_FUNC_ID_ADD_BTN,
/* Number of functions */
_LIST_FUNC_ID_NUM,
};
/* Label native function IDs */
enum {
LABEL_FUNC_ID_CREATE,
LABEL_FUNC_ID_SET_TEXT,
LABEL_FUNC_ID_SET_ARRAY_TEXT,
LABEL_FUNC_ID_SET_STATIC_TEXT,
LABEL_FUNC_ID_SET_LONG_MODE,
LABEL_FUNC_ID_SET_ALIGN,
LABEL_FUNC_ID_SET_RECOLOR,
LABEL_FUNC_ID_SET_BODY_DRAW,
LABEL_FUNC_ID_SET_ANIM_SPEED,
LABEL_FUNC_ID_SET_TEXT_SEL_START,
LABEL_FUNC_ID_SET_TEXT_SEL_END,
LABEL_FUNC_ID_GET_TEXT,
LABEL_FUNC_ID_GET_TEXT_LENGTH,
LABEL_FUNC_ID_GET_LONG_MODE,
LABEL_FUNC_ID_GET_ALIGN,
LABEL_FUNC_ID_GET_RECOLOR,
LABEL_FUNC_ID_GET_BODY_DRAW,
LABEL_FUNC_ID_GET_ANIM_SPEED,
LABEL_FUNC_ID_GET_LETTER_POS,
LABEL_FUNC_ID_GET_TEXT_SEL_START,
LABEL_FUNC_ID_GET_TEXT_SEL_END,
LABEL_FUNC_ID_INS_TEXT,
LABEL_FUNC_ID_CUT_TEXT,
/* Number of functions */
_LABEL_FUNC_ID_NUM,
};
#ifdef __cplusplus
}
#endif
#endif /* WAMR_GRAPHIC_LIBRARY_SHARED_UTILS_H */