forked from enlightenment/efl
353 lines
8.2 KiB
C
353 lines
8.2 KiB
C
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include "evas_common_private.h"
|
|
#include "evas_private.h"
|
|
#include "evas_vg_private.h"
|
|
|
|
static Evas_Cache_Vg* vg_cache = NULL;
|
|
|
|
struct ext_loader_s
|
|
{
|
|
unsigned int length;
|
|
const char *extension;
|
|
const char *loader;
|
|
};
|
|
|
|
#define MATCHING(Ext, Module) { sizeof(Ext)-1, Ext, Module }
|
|
|
|
static const struct ext_loader_s loaders[] =
|
|
{ /* map extensions to loaders to use for good first-guess tries */
|
|
MATCHING(".eet", "eet"),
|
|
MATCHING(".edj", "eet"),
|
|
MATCHING(".svg", "svg"),
|
|
MATCHING(".svgz", "svg"),
|
|
MATCHING(".svg.gz", "svg")
|
|
};
|
|
|
|
static const char *loaders_name[] =
|
|
{ /* in order of most likely needed */
|
|
"eet", "svg"
|
|
};
|
|
|
|
static Evas_Module *
|
|
_find_loader_module(const char *file)
|
|
{
|
|
const char *loader = NULL, *end;
|
|
Evas_Module *em = NULL;
|
|
unsigned int i;
|
|
int len, len2;
|
|
len = strlen(file);
|
|
end = file + len;
|
|
for (i = 0; i < (sizeof (loaders) / sizeof(struct ext_loader_s)); i++)
|
|
{
|
|
len2 = loaders[i].length;
|
|
if (len2 > len) continue;
|
|
if (!strcasecmp(end - len2, loaders[i].extension))
|
|
{
|
|
loader = loaders[i].loader;
|
|
break;
|
|
}
|
|
}
|
|
if (loader)
|
|
em = evas_module_find_type(EVAS_MODULE_TYPE_VG_LOADER, loader);
|
|
return em;
|
|
}
|
|
|
|
Vg_File_Data *
|
|
_vg_load_from_file(const char *file, const char *key)
|
|
{
|
|
Evas_Module *em;
|
|
Evas_Vg_Load_Func *loader;
|
|
int error = EVAS_LOAD_ERROR_GENERIC;
|
|
Vg_File_Data *evg_data = NULL;
|
|
unsigned int i;
|
|
|
|
em = _find_loader_module(file);
|
|
if (em)
|
|
{
|
|
loader = em->functions;
|
|
evg_data = loader->file_data(file, key, &error);
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < sizeof (loaders_name) / sizeof (char *); i++)
|
|
{
|
|
em = evas_module_find_type(EVAS_MODULE_TYPE_VG_LOADER, loaders_name[i]);
|
|
if (em)
|
|
{
|
|
loader = em->functions;
|
|
evg_data = loader->file_data(file, key, &error);
|
|
if (evg_data)
|
|
return evg_data;
|
|
}
|
|
else
|
|
DBG("could not find module '%s'", loaders_name[i]);
|
|
}
|
|
INF("exhausted all means to load image '%s'", file);
|
|
}
|
|
return evg_data;
|
|
}
|
|
|
|
|
|
// evg file save
|
|
struct ext_saver_s
|
|
{
|
|
unsigned int length;
|
|
const char *extension;
|
|
const char *saver;
|
|
};
|
|
|
|
static const struct ext_saver_s savers[] =
|
|
{ /* map extensions to savers to use for good first-guess tries */
|
|
MATCHING(".eet", "eet"),
|
|
MATCHING(".edj", "eet"),
|
|
MATCHING(".svg", "svg")
|
|
};
|
|
|
|
static Evas_Module *
|
|
_find_saver_module(const char *file)
|
|
{
|
|
const char *saver = NULL, *end;
|
|
Evas_Module *em = NULL;
|
|
unsigned int i;
|
|
int len, len2;
|
|
len = strlen(file);
|
|
end = file + len;
|
|
for (i = 0; i < (sizeof (savers) / sizeof(struct ext_saver_s)); i++)
|
|
{
|
|
len2 = savers[i].length;
|
|
if (len2 > len) continue;
|
|
if (!strcasecmp(end - len2, savers[i].extension))
|
|
{
|
|
saver = savers[i].saver;
|
|
break;
|
|
}
|
|
}
|
|
if (saver)
|
|
em = evas_module_find_type(EVAS_MODULE_TYPE_VG_SAVER, saver);
|
|
return em;
|
|
}
|
|
|
|
Eina_Bool
|
|
evas_vg_save_to_file(Vg_File_Data *evg_data, const char *file, const char *key, const char *flags)
|
|
{
|
|
Evas_Module *em;
|
|
Evas_Vg_Save_Func *saver;
|
|
int error = EVAS_LOAD_ERROR_GENERIC;
|
|
int compress = 9;
|
|
|
|
if (!file) return EINA_FALSE;
|
|
|
|
if (flags)
|
|
{
|
|
char *p, *pp;
|
|
char *tflags;
|
|
|
|
tflags = alloca(strlen(flags) + 1);
|
|
strcpy(tflags, flags);
|
|
p = tflags;
|
|
while (p)
|
|
{
|
|
pp = strchr(p, ' ');
|
|
if (pp) *pp = 0;
|
|
sscanf(p, "compress=%i", &compress);
|
|
if (pp) p = pp + 1;
|
|
else break;
|
|
}
|
|
}
|
|
|
|
em = _find_saver_module(file);
|
|
if (em)
|
|
{
|
|
saver = em->functions;
|
|
error = saver->vg_save(evg_data, file, key, compress);
|
|
}
|
|
|
|
if (error)
|
|
return EINA_FALSE;
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
_evas_cache_vg_data_free_cb(void *data)
|
|
{
|
|
Vg_File_Data *val = data;
|
|
|
|
efl_del(val->root);
|
|
free(val);
|
|
}
|
|
|
|
static void
|
|
_evas_cache_svg_entry_free_cb(void *data)
|
|
{
|
|
Evas_Cache_Vg_Entry *entry = data;
|
|
|
|
eina_stringshare_del(entry->file);
|
|
eina_stringshare_del(entry->key);
|
|
free(entry->hash_key);
|
|
efl_del(entry->root);
|
|
free(entry);
|
|
}
|
|
|
|
void
|
|
evas_cache_vg_init(void)
|
|
{
|
|
if (vg_cache)
|
|
{
|
|
vg_cache->ref++;
|
|
return;
|
|
}
|
|
vg_cache = calloc(1, sizeof(Evas_Cache_Vg));
|
|
vg_cache->vg_hash = eina_hash_string_superfast_new(_evas_cache_vg_data_free_cb);
|
|
vg_cache->active = eina_hash_string_superfast_new(_evas_cache_svg_entry_free_cb);
|
|
vg_cache->ref++;
|
|
}
|
|
|
|
void
|
|
evas_cache_vg_shutdown(void)
|
|
{
|
|
if (!vg_cache) return;
|
|
vg_cache->ref--;
|
|
if (vg_cache->ref) return;
|
|
eina_hash_free(vg_cache->vg_hash);
|
|
eina_hash_free(vg_cache->active);
|
|
free(vg_cache);
|
|
vg_cache = NULL;
|
|
}
|
|
|
|
Vg_File_Data *
|
|
evas_cache_vg_file_info(const char *file, const char *key)
|
|
{
|
|
Vg_File_Data *vd;
|
|
Eina_Strbuf *hash_key;
|
|
|
|
hash_key = eina_strbuf_new();
|
|
eina_strbuf_append_printf(hash_key, "%s/%s", file, key);
|
|
vd = eina_hash_find(vg_cache->vg_hash, eina_strbuf_string_get(hash_key));
|
|
if (!vd)
|
|
{
|
|
vd = _vg_load_from_file(file, key);
|
|
eina_hash_add(vg_cache->vg_hash, eina_strbuf_string_get(hash_key), vd);
|
|
}
|
|
eina_strbuf_free(hash_key);
|
|
return vd;
|
|
}
|
|
|
|
static void
|
|
_apply_transformation(Efl_VG *root, double w, double h, Vg_File_Data *vg_data)
|
|
{
|
|
double sx = 0, sy= 0, scale;
|
|
Eina_Matrix3 m;
|
|
|
|
if (vg_data->view_box.w)
|
|
sx = w/vg_data->view_box.w;
|
|
if (vg_data->view_box.h)
|
|
sy = h/vg_data->view_box.h;
|
|
scale = sx < sy ? sx: sy;
|
|
eina_matrix3_identity(&m);
|
|
// allign hcenter and vcenter
|
|
if (vg_data->preserve_aspect)
|
|
{
|
|
eina_matrix3_translate(&m, (w - vg_data->view_box.w * scale)/2.0, (h - vg_data->view_box.h * scale)/2.0);
|
|
eina_matrix3_scale(&m, scale, scale);
|
|
eina_matrix3_translate(&m, -vg_data->view_box.x, -vg_data->view_box.y);
|
|
}
|
|
else
|
|
{
|
|
eina_matrix3_scale(&m, sx, sy);
|
|
eina_matrix3_translate(&m, -vg_data->view_box.x, -vg_data->view_box.y);
|
|
}
|
|
efl_canvas_vg_node_transformation_set(root, &m);
|
|
}
|
|
|
|
static Efl_VG *
|
|
_evas_vg_dup_vg_tree(Vg_File_Data *fd, double w, double h)
|
|
{
|
|
|
|
Efl_VG *root;
|
|
|
|
if (!fd) return NULL;
|
|
if ( !w || !h ) return NULL;
|
|
|
|
root = efl_duplicate(fd->root);
|
|
_apply_transformation(root, w, h, fd);
|
|
|
|
return root;
|
|
}
|
|
|
|
static void
|
|
_evas_cache_svg_vg_tree_update(Evas_Cache_Vg_Entry *entry)
|
|
{
|
|
Vg_File_Data *src_vg = NULL;
|
|
if(!entry) return;
|
|
|
|
if (!entry->file)
|
|
{
|
|
entry->root = NULL;
|
|
return;
|
|
}
|
|
|
|
src_vg = evas_cache_vg_file_info(entry->file, entry->key);
|
|
|
|
entry->root = _evas_vg_dup_vg_tree(src_vg, entry->w, entry->h);
|
|
eina_stringshare_del(entry->file);
|
|
eina_stringshare_del(entry->key);
|
|
entry->file = NULL;
|
|
entry->key = NULL;
|
|
}
|
|
|
|
Evas_Cache_Vg_Entry*
|
|
evas_cache_vg_entry_find(const char *file, const char *key,
|
|
int w, int h)
|
|
{
|
|
Evas_Cache_Vg_Entry* se;
|
|
Eina_Strbuf *hash_key;
|
|
|
|
if (!vg_cache) return NULL;
|
|
|
|
hash_key = eina_strbuf_new();
|
|
eina_strbuf_append_printf(hash_key, "%s/%s/%d/%d",
|
|
file, key, w, h);
|
|
se = eina_hash_find(vg_cache->active, eina_strbuf_string_get(hash_key));
|
|
if (!se)
|
|
{
|
|
se = calloc(1, sizeof(Evas_Cache_Vg_Entry));
|
|
se->file = eina_stringshare_add(file);
|
|
se->key = eina_stringshare_add(key);
|
|
se->w = w;
|
|
se->h = h;
|
|
se->hash_key = eina_strbuf_string_steal(hash_key);
|
|
eina_hash_direct_add(vg_cache->active, se->hash_key, se);
|
|
}
|
|
eina_strbuf_free(hash_key);
|
|
se->ref++;
|
|
return se;
|
|
}
|
|
|
|
Efl_VG*
|
|
evas_cache_vg_tree_get(Evas_Cache_Vg_Entry *entry)
|
|
{
|
|
if (entry->root) return entry->root;
|
|
|
|
if (entry->file)
|
|
{
|
|
_evas_cache_svg_vg_tree_update(entry);
|
|
}
|
|
return entry->root;
|
|
}
|
|
|
|
void
|
|
evas_cache_vg_entry_del(Evas_Cache_Vg_Entry *svg_entry)
|
|
{
|
|
if (!svg_entry) return;
|
|
|
|
svg_entry->ref--;
|
|
// FIXME implement delete logic (LRU)
|
|
}
|
|
|