1 /* 2 3 Preview printer driver. 4 5 Copyright (c) 2001 - 2008 Haiku. 6 7 Authors: 8 Philippe Houdoin 9 Simon Gauvin 10 Michael Pfeiffer 11 12 Permission is hereby granted, free of charge, to any person obtaining a copy of 13 this software and associated documentation files (the "Software"), to deal in 14 the Software without restriction, including without limitation the rights to 15 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 16 of the Software, and to permit persons to whom the Software is furnished to do 17 so, subject to the following conditions: 18 19 The above copyright notice and this permission notice shall be included in all 20 copies or substantial portions of the Software. 21 22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 27 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 28 THE SOFTWARE. 29 30 */ 31 32 #include "PrintUtils.h" 33 34 35 #include <Message.h> 36 #include <Window.h> 37 38 39 BRect 40 ScaleRect(const BRect& rect, float scale) 41 { 42 BRect scaleRect(rect); 43 44 scaleRect.left *= scale; 45 scaleRect.right *= scale; 46 scaleRect.top *= scale; 47 scaleRect.bottom *= scale; 48 49 return scaleRect; 50 } 51 52 53 void 54 SetBool(BMessage* msg, const char* name, bool value) 55 { 56 if (msg->HasBool(name)) { 57 msg->ReplaceBool(name, value); 58 } else { 59 msg->AddBool(name, value); 60 } 61 } 62 63 64 void 65 SetFloat(BMessage* msg, const char* name, float value) 66 { 67 if (msg->HasFloat(name)) { 68 msg->ReplaceFloat(name, value); 69 } else { 70 msg->AddFloat(name, value); 71 } 72 } 73 74 75 void 76 SetInt32(BMessage* msg, const char* name, int32 value) 77 { 78 if (msg->HasInt32(name)) { 79 msg->ReplaceInt32(name, value); 80 } else { 81 msg->AddInt32(name, value); 82 } 83 } 84 85 86 void 87 SetString(BMessage* msg, const char* name, const char* value) 88 { 89 if (msg->HasString(name, 0)) { 90 msg->ReplaceString(name, value); 91 } else { 92 msg->AddString(name, value); 93 } 94 } 95 96 97 void 98 SetRect(BMessage* msg, const char* name, const BRect& rect) 99 { 100 if (msg->HasRect(name)) { 101 msg->ReplaceRect(name, rect); 102 } else { 103 msg->AddRect(name, rect); 104 } 105 } 106 107 108 void 109 SetString(BMessage* msg, const char* name, const BString& value) 110 { 111 SetString(msg, name, value.String()); 112 } 113 114 115 static 116 bool InList(const char* list[], const char* name) 117 { 118 for (int i = 0; list[i] != NULL; ++i) { 119 if (strcmp(list[i], name) == 0) 120 return true; 121 } 122 return false; 123 } 124 125 126 void 127 AddFields(BMessage* to, const BMessage* from, const char* excludeList[], 128 const char* includeList[], bool overwrite) 129 { 130 if (to == from) 131 return; 132 char* name; 133 type_code type; 134 int32 count; 135 for (int32 i = 0; from->GetInfo(B_ANY_TYPE, i, &name, &type, &count) 136 == B_OK; ++i) { 137 if (excludeList && InList(excludeList, name)) 138 continue; 139 140 if (includeList && !InList(includeList, name)) 141 continue; 142 143 ssize_t size; 144 const void* data; 145 if (!overwrite && to->FindData(name, type, 0, &data, &size) == B_OK) 146 continue; 147 148 // replace existing data 149 to->RemoveName(name); 150 151 for (int32 j = 0; j < count; ++j) { 152 if (from->FindData(name, type, j, &data, &size) == B_OK) { 153 if (type == B_STRING_TYPE) { 154 to->AddString(name, (const char*)data); 155 } else if (type == B_MESSAGE_TYPE) { 156 BMessage m; 157 from->FindMessage(name, j, &m); 158 to->AddMessage(name, &m); 159 } else { 160 to->AddData(name, type, data, size); 161 } 162 } 163 } 164 } 165 } 166