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2 | toby | 1 | /* |
18 | toby | 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
171 | dmarschall | 3 | Copyright (C) 2003-2019 Toby Thain, toby@telegraphics.com.au |
2 | toby | 4 | |
5 | This program is free software; you can redistribute it and/or modify |
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131 | dmarschall | 6 | it under the terms of the GNU General Public License as published by |
2 | toby | 7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
131 | dmarschall | 15 | You should have received a copy of the GNU General Public License |
2 | toby | 16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |||
20 | #include "ff.h" |
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21 | |||
22 | #include "file_compat.h" |
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23 | |||
149 | dmarschall | 24 | #ifdef MAC_ENV |
25 | #include <Endian.h> |
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152 | dmarschall | 26 | #else |
27 | int EndianS32_LtoN(int num) { |
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28 | return ((num>>24)&0xff) | // move byte 3 to byte 0 |
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29 | ((num<<8)&0xff0000) | // move byte 1 to byte 2 |
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30 | ((num>>8)&0xff00) | // move byte 2 to byte 1 |
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31 | ((num<<24)&0xff000000); // byte 0 to byte 3 |
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32 | } |
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149 | dmarschall | 33 | #endif |
34 | |||
2 | toby | 35 | enum{ |
85 | toby | 36 | BUFSIZE = 4L<<10, |
2 | toby | 37 | MAXLINE = 0x200, |
38 | }; |
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39 | |||
40 | Boolean readparams(Handle h,Boolean alerts,char **reason){ |
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41 | Boolean res = false; |
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42 | char linebuf[MAXLINE+1],curexpr[MAXEXPR+1],*p,*dataend,*q; |
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43 | int c,linecnt,lineptr,exprcnt; |
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44 | |||
15 | toby | 45 | if(!h){ |
46 | *reason = "readparams: Null parameter handle."; |
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47 | return false; |
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48 | } |
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49 | |||
2 | toby | 50 | p = PILOCKHANDLE(h,false); |
51 | dataend = p + PIGETHANDLESIZE(h); |
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131 | dmarschall | 52 | |
2 | toby | 53 | q = curexpr; |
54 | linecnt = exprcnt = lineptr = 0; |
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55 | |||
56 | *reason = "File was too short."; |
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85 | toby | 57 | while(p < dataend){ |
2 | toby | 58 | |
59 | c = *p++; |
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60 | |||
61 | if(c==CR || c==LF){ /* detected end of line */ |
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131 | dmarschall | 62 | |
2 | toby | 63 | /* look ahead to see if we need to skip a line feed (DOS EOL convention) */ |
131 | dmarschall | 64 | if(c == CR && *p == LF && p < dataend) |
2 | toby | 65 | ++p; |
131 | dmarschall | 66 | |
2 | toby | 67 | linebuf[lineptr] = 0; /* add terminating NUL to line buffer */ |
68 | |||
69 | /* process complete line */ |
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70 | if(linecnt==0){ |
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71 | if(strcmp(linebuf,"%RGB-1.0")){ |
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72 | if(alerts) |
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85 | toby | 73 | *reason = "This doesn't look like a Filter Factory file (first line is not \"%RGB-1.0\")."; |
2 | toby | 74 | break; |
75 | } |
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76 | }else if(linecnt<=8){ |
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77 | slider[linecnt-1] = atoi(linebuf); |
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78 | }else{ |
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131 | dmarschall | 79 | if(lineptr){ |
2 | toby | 80 | /* it's not an empty line; append it to current expr string */ |
81 | if( q+lineptr > curexpr+MAXEXPR ){ |
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85 | toby | 82 | *reason = "Found an expression longer than 1024 characters."; |
2 | toby | 83 | break; |
84 | } |
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85 | q = cat(q,linebuf); |
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86 | }else{ |
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87 | /* it's an empty line: we've completed the expr string */ |
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131 | dmarschall | 88 | if(expr[exprcnt]) |
2 | toby | 89 | free(expr[exprcnt]); |
90 | *q = 0; |
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91 | if(!(expr[exprcnt] = my_strdup(curexpr))){ |
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85 | toby | 92 | *reason = "Could not get memory for expression."; |
2 | toby | 93 | break; |
94 | } |
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95 | |||
96 | if(++exprcnt == 4){ |
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97 | res = true; |
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98 | break; /* got everything we want */ |
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99 | } |
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100 | |||
101 | q = curexpr; /* empty current expr, ready for next one */ |
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102 | } |
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103 | } |
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131 | dmarschall | 104 | |
2 | toby | 105 | ++linecnt; |
106 | lineptr = 0; |
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107 | }else{ |
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108 | /* store character */ |
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109 | if(c=='\\'){ /* escape sequence */ |
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110 | if(p < dataend){ |
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111 | c = *p++; |
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112 | switch(c){ |
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113 | case 'r': c = CR; |
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114 | case '\\': break; |
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131 | dmarschall | 115 | default: |
2 | toby | 116 | if(alerts) alertuser("Warning:","Unknown escape sequence in input."); |
117 | } |
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131 | dmarschall | 118 | }//else if(alerts) alertuser("Warning:","truncated escape sequence ends input"); |
2 | toby | 119 | } |
120 | |||
121 | if(lineptr < MAXLINE) |
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122 | linebuf[lineptr++] = c; |
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123 | } |
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124 | } |
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131 | dmarschall | 125 | |
2 | toby | 126 | PIUNLOCKHANDLE(h); |
127 | |||
128 | return res; |
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129 | } |
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130 | |||
145 | dmarschall | 131 | void convert_premiere_to_photoshop(PARM_T* photoshop, PARM_T_PREMIERE* premiere) { |
132 | int i; |
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133 | |||
134 | photoshop->cbSize = sizeof(PARM_T); |
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135 | photoshop->standalone = premiere->standalone; |
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136 | for (i=0;i<8;++i) |
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137 | photoshop->val[i] = premiere->val[i]; |
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138 | photoshop->popDialog = premiere->popDialog; |
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139 | photoshop->unknown1 = premiere->unknown1; |
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140 | photoshop->unknown2 = premiere->unknown2; |
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141 | photoshop->unknown3 = premiere->unknown3; |
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142 | for (i=0;i<4;++i) |
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143 | photoshop->map_used[i] = premiere->map_used[i]; |
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144 | for (i=0;i<8;++i) |
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145 | photoshop->ctl_used[i] = premiere->ctl_used[i]; |
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146 | memcpy((void*)photoshop->category, (void*)premiere->category, sizeof(photoshop->category)); |
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147 | photoshop->iProtected = premiere->iProtected; |
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146 | dmarschall | 148 | memcpy((void*)photoshop->title, (void*)premiere->title, sizeof(photoshop->title)); |
149 | memcpy((void*)photoshop->copyright, (void*)premiere->copyright, sizeof(photoshop->copyright)); |
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150 | memcpy((void*)photoshop->author, (void*)premiere->author, sizeof(photoshop->author)); |
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145 | dmarschall | 151 | for (i=0;i<4;++i) |
152 | memcpy((void*)photoshop->map[i], (void*)premiere->map[i], sizeof(photoshop->map[i])); |
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153 | for (i=0;i<8;++i) |
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154 | memcpy((void*)photoshop->ctl[i], (void*)premiere->ctl[i], sizeof(photoshop->ctl[i])); |
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155 | |||
156 | if (premiere->singleExpression) { |
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157 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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158 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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159 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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146 | dmarschall | 160 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
145 | dmarschall | 161 | } else { |
162 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[2], sizeof(photoshop->formula[2])); |
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163 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[1], sizeof(photoshop->formula[1])); |
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164 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[0], sizeof(photoshop->formula[0])); |
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165 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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166 | } |
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167 | } |
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168 | |||
149 | dmarschall | 169 | Boolean read8bfplugin(StandardFileReply *sfr,char **reason){ |
170 | unsigned char magic[2]; |
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171 | long count; |
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172 | Handle h; |
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173 | Boolean res = false; |
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174 | FILEREF refnum; |
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175 | int i; |
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176 | |||
177 | if(!FSpOpenDF(&sfr->sfFile,fsRdPerm,&refnum)){ |
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178 | // check DOS EXE magic number |
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179 | count = 2; |
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152 | dmarschall | 180 | if(!FSRead(refnum,&count,magic) /*&& magic[0]=='M' && magic[1]=='Z'*/){ |
149 | dmarschall | 181 | if(!GetEOF(refnum,&count) && count < 256L<<10){ // sanity check file size < 256K |
182 | if( (h = readfileintohandle(refnum)) ){ |
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183 | long *q = (long*)PILOCKHANDLE(h,false); |
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184 | |||
185 | // look for signature at start of valid PARM resource |
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186 | // This signature is observed in Filter Factory standalones. |
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187 | for( count /= 4 ; count >= PARM_SIZE/4 ; --count, ++q ) |
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152 | dmarschall | 188 | { |
149 | dmarschall | 189 | |
190 | #ifdef MAC_ENV |
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152 | dmarschall | 191 | // Case #1: Mac is reading Windows (Win16/32) plugin |
149 | dmarschall | 192 | if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
193 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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152 | dmarschall | 194 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
149 | dmarschall | 195 | && (res = readPARM((char*)q, &gdata->parm, reason, 1 /*Windows format resource*/)) ) |
196 | { |
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197 | // these are the only numeric fields we *have* to swap |
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198 | // all the rest are flags which (if we're careful) will work in either ordering |
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199 | for(i = 0; i < 8; ++i) |
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200 | slider[i] = EndianS32_LtoN(slider[i]); |
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201 | } |
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202 | #else |
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152 | dmarschall | 203 | // Case #2: Windows is reading a Windows plugin (if Resource API failed, i.e. Win64 tries to open NE file) |
149 | dmarschall | 204 | if( ((q[0] == PARM_SIZE) || |
205 | (q[0] == PARM_SIZE_PREMIERE) || |
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152 | dmarschall | 206 | (q[0] == PARM_SIG_MAC)) && q[1] == 1 |
207 | && (res = readPARM((char*)q, &gdata->parm, reason, 1)) ) |
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149 | dmarschall | 208 | { |
209 | } |
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152 | dmarschall | 210 | |
211 | // Case #3: Windows is reading an old FilterFactory Mac file (.bin) |
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212 | else if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
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213 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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214 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
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215 | && (res = readPARM((char*)q, &gdata->parm, reason, 0 /*Strings are already PStrings*/)) ) |
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216 | { |
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217 | // these are the only numeric fields we *have* to swap |
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218 | // all the rest are flags which (if we're careful) will work in either ordering |
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219 | for(i = 0; i < 8; ++i) |
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220 | slider[i] = EndianS32_LtoN(slider[i]); |
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221 | } |
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149 | dmarschall | 222 | #endif |
223 | |||
152 | dmarschall | 224 | if (res) break; |
225 | } |
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149 | dmarschall | 226 | PIDISPOSEHANDLE(h); |
227 | } |
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228 | } |
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229 | } // else no point in proceeding |
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230 | FSClose(refnum); |
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231 | }else |
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232 | *reason = "Could not open file."; |
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233 | return res; |
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234 | } |
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235 | |||
45 | toby | 236 | Boolean readPARM(Ptr p,PARM_T *pparm,char **reasonstr,int fromwin){ |
2 | toby | 237 | int i; |
238 | |||
145 | dmarschall | 239 | if (*((unsigned int*)p) == PARM_SIZE_PREMIERE) { |
240 | convert_premiere_to_photoshop(pparm, (PARM_T_PREMIERE*)p); |
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241 | } else { |
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242 | // Assume it is Photoshop. Signature either PARM_SIZE (0x2068) or 0x1C68 |
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243 | memcpy(pparm,p,sizeof(PARM_T)); |
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244 | } |
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2 | toby | 245 | |
45 | toby | 246 | if(fromwin){ |
247 | /* Windows PARM resource stores C strings - convert to Pascal strings */ |
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248 | myc2pstr((char*)pparm->category); |
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249 | myc2pstr((char*)pparm->title); |
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250 | myc2pstr((char*)pparm->copyright); |
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251 | myc2pstr((char*)pparm->author); |
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85 | toby | 252 | for(i = 0; i < 4; ++i) |
45 | toby | 253 | myc2pstr((char*)pparm->map[i]); |
85 | toby | 254 | for(i = 0; i < 8; ++i) |
45 | toby | 255 | myc2pstr((char*)pparm->ctl[i]); |
256 | } |
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257 | |||
85 | toby | 258 | for(i = 0; i < 4; ++i){ |
2 | toby | 259 | if(expr[i]) free(expr[i]); |
260 | expr[i] = my_strdup(pparm->formula[i]); |
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261 | } |
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262 | |||
85 | toby | 263 | for(i = 0; i < 8; ++i) |
2 | toby | 264 | slider[i] = pparm->val[i]; |
265 | |||
45 | toby | 266 | return true; |
2 | toby | 267 | } |
268 | |||
269 | Handle readfileintohandle(FILEREF r){ |
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270 | long n; |
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271 | Handle h; |
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272 | Ptr p; |
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273 | |||
274 | if( !GetEOF(r,&n) && (h = PINEWHANDLE(n)) ){ |
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275 | p = PILOCKHANDLE(h,false); |
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45 | toby | 276 | if(!SetFPos(r,fsFromStart,0) && !FSRead(r,&n,p)){ |
2 | toby | 277 | PIUNLOCKHANDLE(h); |
278 | return h; |
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279 | } |
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280 | PIDISPOSEHANDLE(h); |
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281 | } |
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282 | return NULL; |
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283 | } |
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284 | |||
285 | Boolean readfile(StandardFileReply *sfr,char **reason){ |
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286 | FILEREF r; |
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287 | Handle h; |
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288 | Boolean res = false; |
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289 | |||
290 | if(!FSpOpenDF(&sfr->sfFile,fsRdPerm,&r)){ |
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23 | toby | 291 | if( (h = readfileintohandle(r)) ){ |
153 | dmarschall | 292 | if( (res = readparams(h,true,reason)) ) { |
2 | toby | 293 | gdata->standalone = false; // so metadata fields will default, if user chooses Make... |
145 | dmarschall | 294 | |
154 | dmarschall | 295 | if (sfr->nFileExtension && !strcasecmp((char*)sfr->sfFile.name + sfr->nFileExtension,".pff")) { |
153 | dmarschall | 296 | // If it is a Premiere settings file, we need to swap the channels red and blue |
297 | char* tmp; |
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298 | tmp = my_strdup(expr[0]); |
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299 | memcpy((void*)expr[0], (void*)expr[2], sizeof(expr[0])); |
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300 | memcpy((void*)expr[2], (void*)tmp, sizeof(expr[2])); |
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301 | free(tmp); |
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302 | } |
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145 | dmarschall | 303 | } |
304 | |||
2 | toby | 305 | PIDISPOSEHANDLE(h); |
306 | } |
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307 | FSClose(r); |
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308 | }else |
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85 | toby | 309 | *reason = "Could not open the file."; |
2 | toby | 310 | |
311 | return res; |
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312 | } |