/*****************************************************************************\ 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); }