本文整理汇总了C++中device_image_interface::is_filetype方法的典型用法代码示例。如果您正苦于以下问题：C++ device_image_interface::is_filetype方法的具体用法？C++ device_image_interface::is_filetype怎么用？C++ device_image_interface::is_filetype使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类device_image_interface的用法示例。
在下文中一共展示了device_image_interface::is_filetype方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: atari_load_proc
void atari_fdc_device::atari_load_proc(device_image_interface &image, bool is_created)
{
int id = floppy_get_drive(image);
int size, i;
m_drv[id].image = std::make_unique<uint8_t[]>(MAXSIZE);
if (!m_drv[id].image)
return;
/* tell whether the image is writable */
m_drv[id].mode = !image.is_readonly();
/* set up image if it has been created */
if (is_created)
{
int sector;
char buff[256];
memset(buff, 0, sizeof(buff));
/* default to 720 sectors */
for( sector = 0; sector < 720; sector++ )
image.fwrite(buff, 256);
image.fseek(0, SEEK_SET);
}
size = image.fread(m_drv[id].image.get(), MAXSIZE);
if( size <= 0 )
{
m_drv[id].image = nullptr;
return;
}
/* re allocate the buffer; we don't want to be too lazy ;) */
//m_drv[id].image = (uint8_t*)image.image_realloc(m_drv[id].image, size);
// hack alert, this means we can only load ATR via the softlist at the moment, image.filetype returns "" :/
bool is_softlist_entry = image.software_entry() != nullptr;
/* no extension: assume XFD format (no header) */
if (image.is_filetype("") && !is_softlist_entry)
{
m_drv[id].type = FORMAT_XFD;
m_drv[id].header_skip = 0;
}
else
/* XFD extension */
if( image.is_filetype("xfd") )
{
m_drv[id].type = FORMAT_XFD;
m_drv[id].header_skip = 0;
}
else
/* ATR extension */
if( image.is_filetype("atr") || is_softlist_entry)
{
m_drv[id].type = FORMAT_ATR;
m_drv[id].header_skip = 16;
}
else
/* DSK extension */
if( image.is_filetype("dsk") )
{
m_drv[id].type = FORMAT_DSK;
m_drv[id].header_skip = sizeof(atari_dsk_format);
}
else
{
m_drv[id].type = FORMAT_XFD;
m_drv[id].header_skip = 0;
}
if( m_drv[id].type == FORMAT_ATR &&
(m_drv[id].image[0] != 0x96 || m_drv[id].image[1] != 0x02) )
{
m_drv[id].type = FORMAT_XFD;
m_drv[id].header_skip = 0;
}
switch (m_drv[id].type)
{
/* XFD or unknown format: find a matching size from the table */
case FORMAT_XFD:
for( i = 0; xfd_formats[i].size; i++ )
{
if( size == xfd_formats[i].size )
{
m_drv[id].density = xfd_formats[i].dsk.density;
m_drv[id].tracks = xfd_formats[i].dsk.tracks;
m_drv[id].spt = xfd_formats[i].dsk.spt;
m_drv[id].heads = (xfd_formats[i].dsk.doublesided) ? 2 : 1;
m_drv[id].bseclen = 128;
m_drv[id].seclen = 256 * xfd_formats[i].dsk.seclen_hi + xfd_formats[i].dsk.seclen_lo;
m_drv[id].sectors = m_drv[id].tracks * m_drv[id].heads * m_drv[id].spt;
break;
}
}
break;
/* ATR format: find a size including the 16 bytes header */
case FORMAT_ATR:
//.........这里部分代码省略.........