Utilities for Ledger image files processing. More...
#include "nbgl_types.h"
Go to the source code of this file.
Macros | |
| #define | WIDTH_OFFSET 0 |
| #define | HEIGHT_OFFSET 2 |
| #define | BPP_COMPRESS_OFFSET 4 |
| #define | BUFFER_LEN_OFFSET 5 |
| #define | BUFFER_OFFSET 8 |
| #define | IMAGE_FILE_HEADER_SIZE 8 |
| #define | GET_IMAGE_FILE_WIDTH(image_file) (image_file[WIDTH_OFFSET] | (image_file[WIDTH_OFFSET + 1] << 8)) |
| macro to get the width of the image file More... | |
| #define | GET_IMAGE_FILE_HEIGHT(image_file) (image_file[HEIGHT_OFFSET] | (image_file[HEIGHT_OFFSET + 1] << 8)) |
| macro to get the height of the image file More... | |
| #define | GET_IMAGE_FILE_BPP(image_file) (image_file[BPP_COMPRESS_OFFSET] >> 4) |
| macro to get the bpp of the image file More... | |
| #define | GET_IMAGE_FILE_COMPRESSION(image_file) (image_file[BPP_COMPRESS_OFFSET] & 0xF) |
| macro to get the compression of the image file More... | |
| #define | GET_IMAGE_FILE_BUFFER_LEN(image_file) |
| macro to get the buffer len of the image file More... | |
| #define | GET_IMAGE_FILE_BUFFER(image_file) (&image_file[BUFFER_OFFSET]) |
| macro to get the buffer of the image file More... | |
Detailed Description
Utilities for Ledger image files processing.
Definition in file nbgl_image_utils.h.
Macro Definition Documentation
◆ BPP_COMPRESS_OFFSET
| #define BPP_COMPRESS_OFFSET 4 |
BPP & Compression offset in image file
Definition at line 35 of file nbgl_image_utils.h.
◆ BUFFER_LEN_OFFSET
| #define BUFFER_LEN_OFFSET 5 |
Buffer length offset in image file
Definition at line 41 of file nbgl_image_utils.h.
◆ BUFFER_OFFSET
| #define BUFFER_OFFSET 8 |
Buffer offset in image file
Definition at line 47 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_BPP
| #define GET_IMAGE_FILE_BPP | ( | image_file | ) | (image_file[BPP_COMPRESS_OFFSET] >> 4) |
macro to get the bpp of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 76 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_BUFFER
| #define GET_IMAGE_FILE_BUFFER | ( | image_file | ) | (&image_file[BUFFER_OFFSET]) |
macro to get the buffer of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 96 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_BUFFER_LEN
| #define GET_IMAGE_FILE_BUFFER_LEN | ( | image_file | ) |
macro to get the buffer len of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 88 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_COMPRESSION
| #define GET_IMAGE_FILE_COMPRESSION | ( | image_file | ) | (image_file[BPP_COMPRESS_OFFSET] & 0xF) |
macro to get the compression of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 82 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_HEIGHT
| #define GET_IMAGE_FILE_HEIGHT | ( | image_file | ) | (image_file[HEIGHT_OFFSET] | (image_file[HEIGHT_OFFSET + 1] << 8)) |
macro to get the height of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 69 of file nbgl_image_utils.h.
◆ GET_IMAGE_FILE_WIDTH
| #define GET_IMAGE_FILE_WIDTH | ( | image_file | ) | (image_file[WIDTH_OFFSET] | (image_file[WIDTH_OFFSET + 1] << 8)) |
macro to get the width of the image file
- Parameters
-
image_file uint8_t* buffer representing the image file
Definition at line 62 of file nbgl_image_utils.h.
◆ HEIGHT_OFFSET
| #define HEIGHT_OFFSET 2 |
Height offset in image file
Definition at line 30 of file nbgl_image_utils.h.
◆ IMAGE_FILE_HEADER_SIZE
| #define IMAGE_FILE_HEADER_SIZE 8 |
Size in bytes of an image file header
Definition at line 52 of file nbgl_image_utils.h.
◆ WIDTH_OFFSET
| #define WIDTH_OFFSET 0 |
Width offset in image file
Definition at line 25 of file nbgl_image_utils.h.
