/*****************************************************************************\
file:GetInfo()
\*****************************************************************************/
static int imluaFileGetInfo (lua_State *L)
{
int image_count;
char format[10];
char compression[20];
imFile *ifile = imlua_checkfile(L, 1);
imFileGetInfo(ifile, format, compression, &image_count);
lua_pushstring(L, format);
lua_pushstring(L, compression);
lua_pushnumber(L, image_count);
return 3;
}
int imFileFormat(char *filename, int* format)
{
char new_format[10], compression[10];
int error, image_count;
imFile* ifile = imFileOpen(filename, &error);
if (!ifile) return error;
imFileGetInfo(ifile, new_format, compression, &image_count);
imFileClose(ifile);
*format = FormatNew2Old(new_format, compression);
if (*format == -1)
return IM_ERR_FORMAT;
return IM_ERR_NONE;
}
void PrintImageInfo(const char* file_name)
{
printf("IM Info\n");
printf(" File Name:\n %s\n", file_name);
int error;
imFile* ifile = imFileOpen(file_name, &error);
if (!ifile)
{
PrintError(error);
return;
}
double file_size = FileSize(file_name);
printf(" File Size: %.2f %s\n", file_size, GetSizeDesc(&file_size));
char format[10];
char compression[20];
int image_count;
imFileGetInfo(ifile, format, compression, &image_count);
char format_desc[50];
imFormatInfo(format, format_desc, NULL, NULL);
printf(" Format: %s - %s\n", format, format_desc);
printf(" Compression: %s\n", compression);
printf(" Image Count: %d\n", image_count);
for (int i = 0; i < image_count; i++)
{
int width, height, color_mode, data_type;
error = imFileReadImageInfo(ifile, i, &width, &height, &color_mode, &data_type);
if (error != IM_ERR_NONE)
{
PrintError(error);
imFileClose(ifile);
return;
}
printf(" Image #%d\n", i);
printf(" Width: %d\n", width);
printf(" Height: %d\n", height);
printf(" Color Space: %s\n", imColorModeSpaceName(color_mode));
printf(" Has Alpha: %s\n", imColorModeHasAlpha(color_mode)? "Yes": "No");
printf(" Is Packed: %s\n", imColorModeIsPacked(color_mode)? "Yes": "No");
printf(" Is Top Down: %s\n", imColorModeIsTopDown(color_mode)? "Yes": "No");
printf(" Data Type: %s\n", imDataTypeName(data_type));
double image_size = imImageDataSize(width, height, color_mode, data_type);
printf(" Data Size: %.2f %s\n", image_size, GetSizeDesc(&image_size));
char* attrib_list[50]; // should be dynamic allocated
int attrib_list_count;
imFileGetAttributeList(ifile, attrib_list, &attrib_list_count);
for (int a = 0; a < attrib_list_count; a++)
{
if (a == 0)
printf(" Attributes:\n");
int attrib_data_type, attrib_count;
const void* attrib_data = imFileGetAttribute(ifile, attrib_list[a], &attrib_data_type, &attrib_count);
if (attrib_count == 1)
printf(" %s: %s\n", attrib_list[a], AttribData2Str(attrib_data, attrib_data_type));
else if (attrib_data_type == IM_BYTE && FindZero((imbyte*)attrib_data, attrib_count))
printf(" %s: %s\n", attrib_list[a], attrib_data);
else
printf(" %s: %s %s ...\n", attrib_list[a], AttribData2Str(attrib_data, attrib_data_type), AttribData2Str((imbyte*)attrib_data + imDataTypeSize(attrib_data_type), attrib_data_type));
}
}
imFileClose(ifile);
}
