test: access.c Source File

00001 /* 00002 File: MSICMProfileAccess.c 00003 00004 Contains: 00005 00006 Written by: U. J. Krabbenhoeft 00007 00008 Copyright: � 1993-1997 by Heidelberger Druckmaschinen AG, all rights reserved. 00009 00010 Version: 00011 */ 00012 #include "Windef.h" 00013 #include "WinGdi.h" 00014 #include <wtypes.h> 00015 #include "ICM.h" 00016 #include "General.h" 00017 /* -------------------------------------------------------------------------- 00018 00019 CMError CMGetProfileHeader( CMProfileRef prof, 00020 CMCoreProfileHeader* header ); 00021 00022 Abstract: 00023 00024 Params: 00025 00026 Return: 00027 noErr successful 00028 00029 -------------------------------------------------------------------------- */ 00030 CMError CMGetProfileHeader( CMProfileRef prof, 00031 CMCoreProfileHeader* header ) 00032 { 00033 BOOL bool; 00034 CMError ret = badProfileError; 00035 00036 bool = GetColorProfileHeader( (HPROFILE)prof, (PPROFILEHEADER) header ); 00037 if (header->magic == icMagicNumber && bool ) 00038 ret = noErr; 00039 00040 return (ret); 00041 } 00042 00043 00044 /* -------------------------------------------------------------------------- 00045 00046 CMError CMGetProfileElement( CMProfileRef prof, 00047 OSType tag, 00048 unsigned long* elementSize, 00049 void* elementData ); 00050 00051 Abstract: 00052 This function gives an pointer to the requested tag back 00053 Params: 00054 00055 Return: 00056 noErr successful 00057 00058 -------------------------------------------------------------------------- */ 00059 CMError CMGetProfileElement( CMProfileRef prof, 00060 OSType tag, 00061 unsigned long* elementSize, 00062 void* elementData ) 00063 { 00064 return (CMGetPartialProfileElement(prof, tag, 0, elementSize, elementData)); 00065 } 00066 00067 00068 /* -------------------------------------------------------------------------- 00069 00070 CMError CMGetPartialProfileElement( CMProfileRef prof, 00071 OSType tag, 00072 unsigned long offset, 00073 unsigned long *byteCount, 00074 void *elementData ) 00075 00076 Abstract: 00077 Core likes small amounts of memory we too but this is ascetic. 00078 Params: 00079 00080 Return: 00081 noErr successful 00082 00083 -------------------------------------------------------------------------- */ 00084 00085 CMError CMGetPartialProfileElement( CMProfileRef prof, 00086 OSType tag, 00087 unsigned long offset, 00088 unsigned long *byteCount, 00089 void *elementData ) 00090 { 00091 BOOL bool; 00092 BOOL ret; 00093 00094 if (!byteCount) 00095 { 00096 return -1; 00097 } 00098 SetLastError(0); 00099 /*ret = IsColorProfileTagPresent( (HPROFILE)prof, (TAGTYPE)tag, &bool );*/ 00100 if( elementData == 0 ) *byteCount = 0; 00101 ret = GetColorProfileElement( (HPROFILE)prof, (TAGTYPE)tag, offset, byteCount, elementData, &bool ); 00102 if( ret ) return (noErr); 00103 /* GetColorProfileElement returns FALSE for calls with elementData = 0 00104 but byteCount is set correctly */ 00105 else if( elementData == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER ) return (noErr); 00106 00107 return (cmElementTagNotFound); 00108 } 00109 00110 /* -------------------------------------------------------------------------- 00111 00112 Boolean CMProfileElementExists( CMProfileRef prof, 00113 OSType tag ); 00114 00115 Abstract: 00116 00117 Params: 00118 00119 Return: 00120 noErr successful 00121 00122 -------------------------------------------------------------------------- */ 00123 Boolean CMProfileElementExists( CMProfileRef prof, 00124 OSType tag ) 00125 { 00126 BOOL bool; 00127 IsColorProfileTagPresent( (HPROFILE)prof, (TAGTYPE)tag, &bool ); 00128 return (BOOLEAN)bool; 00129 } 00130 00131