int packOpenAsync(const char* filename)
{
int fd = -1;
packItem* temp = NULL;
temp = fileItem;
if(fileItem==NULL) return -1;
while( strcmp(filename,(char*)temp->date.name) ) {
temp = temp->next;
if(temp==NULL)
return -1; }
fd = io_fopen(name,IO_RDONLY);
io_fseek(fd,temp->date.offset,IO_SEEK_SET);
return fd;
}
image_p image_load_jpg(const char* filename, int displaymode)
{
image_p pimage = NULL;
int size;
char *mbuf;
int handle = io_fopen(filename,IO_RDONLY);
if(handle == 0)
return 0;
size = io_fsize(handle);
mbuf = (char*) malloc(size);
io_fread(mbuf,1,size,handle);
io_fclose(handle);
pimage = image_load_jpg_buf(mbuf,size,displaymode);
SAFE_FREE(mbuf);
return pimage;
}
int PMP_Load (const char *name)
{
//check file;
pmp_init();
int handle = io_fopen(name,IO_RDONLY);
if(handle <= 0){
flags = 0;
return 0;
}
else{
io_fclose(handle);
strncpy(filename,name,256);
return 1;
}
}
//////////////////////////////////////////////////////////////////////////
//load bmp
//support 24/32 bmp (NOT support 16)
//////////////////////////////////////////////////////////////////////////
image_p image_load_bmp(const char* filename, int displaymode)
{
image_p pimage = NULL;
int size ;
uint8_t* pbuf;
int fd = io_fopen(filename,IO_RDONLY);
if(fd == 0)
return 0;
size = io_fsize(fd);
pbuf = (uint8_t*)malloc(size);
io_fread(pbuf,1,size,fd);
io_fclose(fd);
pimage = image_load_bmp_buf((const char*)pbuf,size,displaymode);
SAFE_FREE(pbuf);
return pimage;
}
int packInit(const char* filename)
{
int i = 0;
packItem* temp = NULL;
packCleanRes();
fd = io_fopen(filename,IO_RDONLY);
if(fd <= 0)
return -1;
fileInfo = (packInfo*) safe_malloc (sizeof(packInfo));
io_fseek(fd,(int)(-sizeof(packInfo)),IO_SEEK_END);
io_fread(fileInfo,sizeof(packInfo),1,fd);
if(fileInfo->VER!=0x01000000) { // 如果不是pack压缩包则取消读取
packCleanRes();
return -1; }
io_fseek(fd,(int)(-(sizeof(packInfo)+sizeof(packDate)*fileInfo->nums)),IO_SEEK_END);
for(i=0;i<fileInfo->nums;i++)
{
if(fileItem==NULL) {
fileItem = (packItem*) safe_malloc (sizeof(packItem));
temp = fileItem;
io_fread(&temp->date,sizeof(packDate),1,fd);
temp->next = NULL; }
if((i!=0) && (temp->next==NULL)) {
temp->next = (packItem*) safe_malloc (sizeof(packItem));
temp = temp->next;
io_fread(&temp->date,sizeof(packDate),1,fd);
temp->next = NULL; }
}
if(name==NULL) {
name = (char*) safe_malloc (strlen(filename));
strcpy(name,filename); }
//rewind((FILE*)fd);
io_fseek(fd,0,IO_SEEK_SET);
//printf("first fd address: 0x%x\n",fd);
return fd;
}
