/*-------------------------------------------------
battery_save - stores the battery
backed RAM for an image. The file name is
created from the machine driver name and the
image name.
-------------------------------------------------*/
void device_image_interface::battery_save(const void *buffer, int length)
{
astring *fname = astring_assemble_4(astring_alloc(), device().machine().system().name, PATH_SEPARATOR, m_basename_noext, ".nv");
image_battery_save_by_name(device().machine().options(), astring_c(fname), buffer, length);
astring_free(fname);
}
static emu_file *nvram_system_fopen( running_machine &machine, UINT32 openflags, const char *name)
{
file_error filerr;
astring *fname = astring_assemble_4( astring_alloc(), machine.system().name, PATH_SEPARATOR, name, ".nv");
emu_file *file = global_alloc(emu_file(machine.options().nvram_directory(), openflags));
filerr = file->open(astring_c( fname));
astring_free( fname);
return (filerr == FILERR_NONE) ? file : NULL;
}
static file_error OpenDIBFile(const char *dir_name, const char *zip_name, const char *filename,
core_file **file, void **buffer)
{
file_error filerr;
zip_error ziperr;
zip_file *zip;
const zip_file_header *zip_header;
astring *fname;
// clear out result
*file = NULL;
// look for the raw file
fname = astring_assemble_3(astring_alloc(), dir_name, PATH_SEPARATOR, filename);
filerr = core_fopen(astring_c(fname), OPEN_FLAG_READ, file);
astring_free(fname);
// did the raw file not exist?
if (filerr != FILERR_NONE)
{
// look into zip file
fname = astring_assemble_4(astring_alloc(), dir_name, PATH_SEPARATOR, zip_name, ".zip");
ziperr = zip_file_open(astring_c(fname), &zip);
astring_free(fname);
if (ziperr == ZIPERR_NONE)
{
zip_header = zip_file_seek_file(zip, filename);
if (zip_header != NULL)
{
*buffer = malloc(zip_header->uncompressed_length);
ziperr = zip_file_decompress(zip, *buffer, zip_header->uncompressed_length);
if (ziperr == ZIPERR_NONE)
{
filerr = core_fopen_ram(*buffer, zip_header->uncompressed_length, OPEN_FLAG_READ, file);
}
}
zip_file_close(zip);
}
}
return filerr;
}
BOOL LoadDIB(const char *filename, HGLOBAL *phDIB, HPALETTE *pPal, int pic_type)
{
file_error filerr;
core_file *file = NULL;
BOOL success = FALSE;
const char *dir_name;
const char *zip_name;
astring *fname;
void *buffer = NULL;
if (pPal != NULL ) {
DeletePalette(pPal);
}
switch (pic_type)
{
case TAB_SCREENSHOT:
dir_name = GetImgDir();
zip_name = "snap";
break;
case TAB_FLYER:
dir_name = GetFlyerDir();
zip_name = "flyers";
break;
case TAB_CABINET:
dir_name = GetCabinetDir();
zip_name = "cabinets";
break;
case TAB_MARQUEE:
dir_name = GetMarqueeDir();
zip_name = "marquees";
break;
case TAB_TITLE:
dir_name = GetTitlesDir();
zip_name = "titles";
break;
case TAB_CONTROL_PANEL:
dir_name = GetControlPanelDir();
zip_name = "cpanel";
break;
case TAB_PCB :
dir_name = GetPcbDir();
zip_name = "pcb";
break;
case BACKGROUND:
dir_name = GetBgDir();
zip_name = "bkground";
break;
default :
// in case a non-image tab gets here, which can happen
return FALSE;
}
//Add handling for the displaying of all the different supported snapshot patterntypes
//%g
fname = astring_assemble_2(astring_alloc(), filename, ".png");
filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer);
astring_free(fname);
if (filerr != FILERR_NONE) {
//%g/%i
fname = astring_assemble_3(astring_alloc(), filename, PATH_SEPARATOR, "0000.png");
filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer);
astring_free(fname);
}
if (filerr != FILERR_NONE) {
//%g%i
fname = astring_assemble_2(astring_alloc(), filename, "0000.png");
filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer);
astring_free(fname);
}
if (filerr != FILERR_NONE) {
//%g/%g
fname = astring_assemble_4(astring_alloc(), filename, PATH_SEPARATOR, filename, ".png");
filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer);
astring_free(fname);
}
if (filerr != FILERR_NONE) {
//%g/%g%i
fname = astring_assemble_4(astring_alloc(), filename, PATH_SEPARATOR, filename, "0000.png");
filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer);
astring_free(fname);
}
if (filerr == FILERR_NONE) {
success = png_read_bitmap_gui(file, phDIB, pPal);
core_fclose(file);
}
// free the buffer if we have to
if (buffer != NULL) {
free(buffer);
}
return success;
}
