efl/src/lib/evas/cserve2/evas_cs2.h

426 lines
11 KiB
C

#ifndef EVAS_CS2_H
#define EVAS_CS2_H 1
#include <Eina.h>
#ifdef EVAS_CSERVE2
#include <Evas_Loader.h>
typedef enum {
CSERVE2_OPEN = 1,
CSERVE2_OPENED,
CSERVE2_LOAD,
CSERVE2_LOADED,
CSERVE2_PRELOAD,
CSERVE2_UNLOAD,
CSERVE2_CLOSE,
CSERVE2_FONT_LOAD,
CSERVE2_FONT_LOADED,
CSERVE2_FONT_UNLOAD,
CSERVE2_FONT_GLYPHS_LOAD,
CSERVE2_FONT_GLYPHS_LOADED,
CSERVE2_FONT_GLYPHS_USED,
CSERVE2_STATS,
CSERVE2_FONT_DEBUG,
CSERVE2_INDEX_LIST,
CSERVE2_ERROR
} Message_Type;
typedef enum {
CSERVE2_NONE,
CSERVE2_GENERIC,
CSERVE2_DOES_NOT_EXIST,
CSERVE2_PERMISSION_DENIED,
CSERVE2_RESOURCE_ALLOCATION_FAILED,
CSERVE2_CORRUPT_FILE,
CSERVE2_UNKNOWN_FORMAT,
CSERVE2_INVALID_COMMAND,
CSERVE2_LOADER_DIED,
CSERVE2_LOADER_EXEC_ERR,
CSERVE2_INVALID_CACHE, // invalid cserve cache entry
CSERVE2_NOT_LOADED,
CSERVE2_FILE_CHANGED,
CSERVE2_REQUEST_CANCEL
} Error_Type;
struct _Msg_Base {
int type;
unsigned int rid;
};
typedef struct _Msg_Base Msg_Base;
struct _Msg_Open {
Msg_Base base;
unsigned int file_id;
int path_offset;
int key_offset;
unsigned int image_id;
Eina_Bool has_load_opts : 1;
// Followed by:
// const char file[];
// const char key[];
// Evas_Image_Load_Opts opts; // if has_load_opts
};
struct _Msg_Opened {
Msg_Base base;
struct {
int w, h;
int frame_count;
int loop_count;
int loop_hint; /* include Evas.h? Copy the enum around? */
Eina_Bool alpha : 1;
Eina_Bool animated : 1;
} image;
};
struct _Msg_Load {
Msg_Base base;
unsigned int image_id;
};
struct _Msg_Loaded {
Msg_Base base;
struct {
int mmap_offset;
int use_offset;
int mmap_size;
int image_size;
} shm;
struct {
unsigned int w, h; // Real dimensions of this image. May differ from Msg_Opened::image::{w,h} after scaling.
} image;
Eina_Bool alpha : 1;
Eina_Bool alpha_sparse : 1;
};
struct _Msg_Preload {
Msg_Base base;
unsigned int image_id;
};
struct _Msg_Preloaded {
Msg_Base base;
};
struct _Msg_Unload {
Msg_Base base;
unsigned int image_id;
};
struct _Msg_Close {
Msg_Base base;
unsigned int file_id;
};
/**
* @struct _Msg_Font_Load
*
* Message from client to request load or unload of a font.
*
* The path strings follow the struct inside the message.
*/
struct _Msg_Font_Load {
Msg_Base base;
unsigned int sourcelen; // font id
unsigned int pathlen; // font id
unsigned int rend_flags; // font id
unsigned int size; // font id
unsigned int dpi; // font id
};
/**
* @struct _Msg_Font_Loaded
*
* Message from server to inform that a font was loaded.
*/
struct _Msg_Font_Loaded {
Msg_Base base;
};
/**
* @struct _Msg_Font_Glyphs_Request
*
* Message from client to request load of glyphs, or inform usage of them.
*
* The path strings follow the struct inside the message, as well as
* the list of glyphs to be loaded.
*/
struct _Msg_Font_Glyphs_Request {
Msg_Base base;
unsigned int sourcelen; // font id
unsigned int pathlen; // font id
unsigned int rend_flags; // font id
unsigned int size; // font id
unsigned int dpi; // font id
unsigned int hint;
unsigned int nglyphs;
};
/**
* @struct _Msg_Font_Glyphs_Loaded
*
* Message from server to inform that some glyphs were loaded.
*
* This message is quite complex: it contains the font id, representing for
* which font these glyphs should be loaded, and the number of caches on which
* the loaded glyphs are stored. Each cache is a SHM segment. The information
* about each SHM comes serialized just after this struct, and can be read in
* order as follows:
*
* shm name:
* - unsigned int size;
* - char name[];
* glyphs:
* - unsigned int nglyphs;
* - struct {
* unsigned int index;
* unsigned int offset;
* unsigned int size;
* unsigned int rows;
* unsigned int width;
* unsigned int pitch;
* unsigned int num_grays;
* unsigned int pixel_mode;
* } glarray[];
*/
struct _Msg_Font_Glyphs_Loaded {
Msg_Base base;
};
struct _Msg_Stats {
Msg_Base base;
struct {
unsigned int requested_size;
unsigned int real_size;
unsigned int unused_size;
unsigned int fonts_loaded; /* number of loaded fonts */
unsigned int fonts_unused; /* number of loaded fonts without reference
* from any clients */
int fonts_load_time; /* total time spent loading fonts */
int fonts_used_load_time; /* total time spent loading fonts that are
* really used, i.e. fonts that have glyphs
* rendered */
int fonts_used_saved_time;
int glyphs_request_time; /* time spent waiting for glyph requests */
int glyphs_load_time; /* total time spent loading glyphs */
int glyphs_render_time; /* total time spent rendering glyphs */
int glyphs_slave_time; /* total time spent on the slave processing glyph load requests */
int glyphs_saved_time; /* total time spent loading glyphs */
} fonts;
struct {
unsigned int files_loaded; /* number of file headers loaded */
unsigned int images_loaded; /* number of image data loaded */
unsigned int images_unused; /* number of image data loaded and unused */
unsigned int requested_size; /* memory usage originally requested by
* the client */
unsigned int files_size; /* memory usage from image headers */
unsigned int images_size; /* memory usage from image data */
unsigned int unused_size; /* memory usage from image data */
int files_load_time;
int files_saved_time;
int images_load_time;
int images_saved_time;
} images;
};
/**
* @struct _Msg_Font_Debug
*
* Message from server containing all font cache info.
*
* Content of the message follows:
*
* * char fonts_index_path[64]
* * number of font entries;
* * each font entry:
* - unsigned int filelen
* - const char file
* - unsigned int namelen
* - const char name
* - unsigned int rend_flags;
* - unsigned int size;
* - unsigned int dpi;
* - unsigned int unused;
* - const char glyph_data_shm[64];
* - const char glyph_mempool_shm[64];
* - unsigned int nglyphs;
* - each glyph: Glyph_Data struct
* - unsigned int id;
* - unsigned int refcount;
* - unsigned int index;
* - unsigned int shm_id; // shared string id
* - unsigned int buffer_id;
* - unsigned int offset;
* - unsigned int size;
* - unsigned int rows;
* - unsigned int width;
* - unsigned int pitch;
* - unsigned int num_grays;
* - unsigned int pixel_mode;
*/
struct _Msg_Font_Debug {
Msg_Base base;
char fonts_index_path[64];
int nfonts;
};
/**
* @brief The Msg_Index_List struct
*
* Message sent from the server, without request from the client,
* to inform all clients of the shared index files. Contains the paths
* to the latest File, Image and Font index shm.
*
* The paths contain only the filename used in the call to shm_open.
* All strings must be null-terminated.
*/
struct _Msg_Index_List {
Msg_Base base;
int generation_id;
char strings_index_path[64];
char strings_entries_path[64];
char files_index_path[64];
char images_index_path[64];
char fonts_index_path[64];
};
typedef struct _Shm_Object Shm_Object;
typedef struct _Index_Entry Index_Entry;
typedef struct _File_Data File_Data;
typedef struct _Image_Data Image_Data;
typedef struct _Font_Data Font_Data;
typedef struct _Glyph_Data Glyph_Data;
typedef struct _Shared_Array_Header Shared_Array_Header;
typedef int string_t;
#define SHMOBJECT unsigned int id; unsigned int refcount
struct _Shared_Array_Header {
int32_t tag;
int32_t generation_id;
int32_t elemsize;
int32_t count;
int32_t emptyidx;
int32_t sortedidx;
int32_t _reserved1;
int32_t _reserved2;
};
struct _Shm_Object {
SHMOBJECT;
};
#define STRING_INDEX_ARRAY_TAG ('S' | 'T' << 8 | 'R' << 16 | 'N' << 24)
#define STRING_MEMPOOL_FAKETAG ('S' | 'T' << 8 | 'R' << 16 | 'M' << 24)
struct _Index_Entry {
SHMOBJECT;
// Block entry
int32_t length;
int32_t offset;
int32_t shmid;
};
#define FILE_DATA_ARRAY_TAG ('F' | 'I' << 8 | 'L' << 16 | 'E' << 24)
struct _File_Data {
SHMOBJECT;
// Hash entry elements (see Evas_Image_Load_Opts)
string_t path;
string_t key;
struct {
struct {
unsigned int x, y, w, h;
} region;
double dpi;
unsigned int w, h;
int scale_down_by;
Eina_Bool orientation;
} lo;
// Properties set after opening the file
string_t loader_data; // Can also be set during open (force this loader)
int w, h;
int frame_count;
int loop_count;
int loop_hint;
Eina_Bool alpha : 1;
Eina_Bool changed : 1;
Eina_Bool valid : 1;
Eina_Bool animated : 1;
};
#define IMAGE_DATA_ARRAY_TAG ('I' | 'M' << 8 | 'A' << 16 | 'G' << 24)
struct _Image_Data {
SHMOBJECT;
uint32_t file_id;
string_t shm_id;
Evas_Image_Load_Opts opts;
uint32_t w, h;
Eina_Bool alpha : 1;
Eina_Bool alpha_sparse : 1;
Eina_Bool unused : 1;
Eina_Bool doload : 1;
Eina_Bool valid : 1;
};
#define FONT_DATA_ARRAY_TAG ('F' | 'O' << 8 | 'N' << 16 | 'T' << 24)
struct _Font_Data {
SHMOBJECT;
string_t name;
string_t file;
string_t glyph_index_shm;
string_t mempool_shm;
uint32_t rend_flags;
uint32_t size;
uint32_t dpi;
};
#define GLYPH_DATA_ARRAY_TAG ('G' | 'L' << 8 | 'P' << 16 | 'H' << 24)
struct _Glyph_Data {
// Index_Entry
SHMOBJECT;
int32_t length;
int32_t offset;
int32_t shmid;
// Glyph data stuff
uint32_t index;
string_t mempool_id; // TODO: Merge with shmid? (Internally impossible atm)
uint32_t buffer_id;
uint32_t size;
uint32_t rows;
uint32_t width;
uint32_t pitch;
uint32_t num_grays;
uint32_t pixel_mode;
uint32_t hint;
};
struct _Msg_Error {
Msg_Base base;
int error;
};
typedef struct _Msg_Open Msg_Open;
typedef struct _Msg_Opened Msg_Opened;
typedef struct _Msg_Load Msg_Load;
typedef struct _Msg_Loaded Msg_Loaded;
typedef struct _Msg_Preload Msg_Preload;
typedef struct _Msg_Preloaded Msg_Preloaded;
typedef struct _Msg_Unload Msg_Unload;
typedef struct _Msg_Close Msg_Close;
typedef struct _Msg_Font_Load Msg_Font_Load;
typedef struct _Msg_Font_Loaded Msg_Font_Loaded;
typedef struct _Msg_Font_Glyphs_Request Msg_Font_Glyphs_Request;
typedef struct _Msg_Font_Glyphs_Loaded Msg_Font_Glyphs_Loaded;
typedef struct _Msg_Stats Msg_Stats;
typedef struct _Msg_Font_Debug Msg_Font_Debug;
typedef struct _Msg_Error Msg_Error;
typedef struct _Msg_Index_List Msg_Index_List;
#endif
#endif