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2 | toby | 1 | /* |
18 | toby | 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
192 | daniel-mar | 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
4 | Copyright (C) 2018-2019 Daniel Marschall, ViaThinkSoft |
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2 | toby | 5 | |
6 | This program is free software; you can redistribute it and/or modify |
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131 | dmarschall | 7 | it under the terms of the GNU General Public License as published by |
2 | toby | 8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. |
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10 | |||
11 | This program is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |||
131 | dmarschall | 16 | You should have received a copy of the GNU General Public License |
2 | toby | 17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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19 | */ |
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20 | |||
21 | #include "ff.h" |
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22 | |||
23 | #include "file_compat.h" |
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24 | |||
149 | dmarschall | 25 | #ifdef MAC_ENV |
26 | #include <Endian.h> |
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152 | dmarschall | 27 | #else |
28 | int EndianS32_LtoN(int num) { |
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189 | dmarschall | 29 | return ((num>>24)&0xff) | // move byte 3 to byte 0 |
30 | ((num<<8)&0xff0000) | // move byte 1 to byte 2 |
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31 | ((num>>8)&0xff00) | // move byte 2 to byte 1 |
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32 | ((num<<24)&0xff000000); // byte 0 to byte 3 |
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152 | dmarschall | 33 | } |
149 | dmarschall | 34 | #endif |
35 | |||
2 | toby | 36 | enum{ |
189 | dmarschall | 37 | BUFSIZE = 4L<<10, |
38 | MAXLINE = 0x200, |
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2 | toby | 39 | }; |
40 | |||
41 | Boolean readparams(Handle h,Boolean alerts,char **reason){ |
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189 | dmarschall | 42 | Boolean res = false; |
43 | char linebuf[MAXLINE+1],curexpr[MAXEXPR+1],*p,*dataend,*q; |
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44 | int c,linecnt,lineptr,exprcnt; |
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2 | toby | 45 | |
189 | dmarschall | 46 | if(!h){ |
47 | *reason = "readparams: Null parameter handle."; |
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48 | return false; |
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49 | } |
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15 | toby | 50 | |
189 | dmarschall | 51 | p = PILOCKHANDLE(h,false); |
52 | dataend = p + PIGETHANDLESIZE(h); |
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131 | dmarschall | 53 | |
189 | dmarschall | 54 | q = curexpr; |
55 | linecnt = exprcnt = lineptr = 0; |
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2 | toby | 56 | |
189 | dmarschall | 57 | *reason = "File was too short."; |
58 | while(p < dataend){ |
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2 | toby | 59 | |
189 | dmarschall | 60 | c = *p++; |
2 | toby | 61 | |
189 | dmarschall | 62 | if(c==CR || c==LF){ /* detected end of line */ |
131 | dmarschall | 63 | |
189 | dmarschall | 64 | /* look ahead to see if we need to skip a line feed (DOS EOL convention) */ |
65 | if(c == CR && *p == LF && p < dataend) |
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66 | ++p; |
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131 | dmarschall | 67 | |
189 | dmarschall | 68 | linebuf[lineptr] = 0; /* add terminating NUL to line buffer */ |
2 | toby | 69 | |
189 | dmarschall | 70 | /* process complete line */ |
71 | if(linecnt==0){ |
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72 | if(strcmp(linebuf,"%RGB-1.0")){ |
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73 | if(alerts) |
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74 | *reason = "This doesn't look like a Filter Factory file (first line is not \"%RGB-1.0\")."; |
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75 | break; |
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76 | } |
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77 | }else if(linecnt<=8){ |
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78 | slider[linecnt-1] = atoi(linebuf); |
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79 | }else{ |
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80 | if(lineptr){ |
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81 | /* it's not an empty line; append it to current expr string */ |
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82 | if( q+lineptr > curexpr+MAXEXPR ){ |
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83 | *reason = "Found an expression longer than 1024 characters."; |
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84 | break; |
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85 | } |
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86 | q = cat(q,linebuf); |
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87 | }else{ |
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88 | /* it's an empty line: we've completed the expr string */ |
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89 | if(expr[exprcnt]) |
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90 | free(expr[exprcnt]); |
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91 | *q = 0; |
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92 | if(!(expr[exprcnt] = my_strdup(curexpr))){ |
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93 | *reason = "Could not get memory for expression."; |
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94 | break; |
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95 | } |
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2 | toby | 96 | |
189 | dmarschall | 97 | if(++exprcnt == 4){ |
98 | res = true; |
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99 | break; /* got everything we want */ |
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100 | } |
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2 | toby | 101 | |
189 | dmarschall | 102 | q = curexpr; /* empty current expr, ready for next one */ |
103 | } |
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104 | } |
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131 | dmarschall | 105 | |
189 | dmarschall | 106 | ++linecnt; |
107 | lineptr = 0; |
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108 | }else{ |
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109 | /* store character */ |
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110 | if(c=='\\'){ /* escape sequence */ |
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111 | if(p < dataend){ |
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112 | c = *p++; |
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113 | switch(c){ |
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114 | case 'r': c = CR; |
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115 | case '\\': break; |
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116 | default: |
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117 | if(alerts) alertuser("Warning:","Unknown escape sequence in input."); |
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118 | } |
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119 | }//else if(alerts) alertuser("Warning:","truncated escape sequence ends input"); |
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120 | } |
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2 | toby | 121 | |
189 | dmarschall | 122 | if(lineptr < MAXLINE) |
123 | linebuf[lineptr++] = c; |
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124 | } |
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125 | } |
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131 | dmarschall | 126 | |
189 | dmarschall | 127 | PIUNLOCKHANDLE(h); |
2 | toby | 128 | |
189 | dmarschall | 129 | return res; |
2 | toby | 130 | } |
131 | |||
145 | dmarschall | 132 | void convert_premiere_to_photoshop(PARM_T* photoshop, PARM_T_PREMIERE* premiere) { |
189 | dmarschall | 133 | int i; |
145 | dmarschall | 134 | |
189 | dmarschall | 135 | photoshop->cbSize = sizeof(PARM_T); |
136 | photoshop->standalone = premiere->standalone; |
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137 | for (i=0;i<8;++i) |
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138 | photoshop->val[i] = premiere->val[i]; |
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139 | photoshop->popDialog = premiere->popDialog; |
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140 | photoshop->unknown1 = premiere->unknown1; |
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141 | photoshop->unknown2 = premiere->unknown2; |
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142 | photoshop->unknown3 = premiere->unknown3; |
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143 | for (i=0;i<4;++i) |
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144 | photoshop->map_used[i] = premiere->map_used[i]; |
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145 | for (i=0;i<8;++i) |
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146 | photoshop->ctl_used[i] = premiere->ctl_used[i]; |
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147 | sprintf((char*)photoshop->category, "Filter Factory"); // Premiere plugins do not have a category attribute |
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148 | photoshop->iProtected = 0; // Premiere plugins do not have a protect flag |
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149 | memcpy((void*)photoshop->title, (void*)premiere->title, sizeof(photoshop->title)); |
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150 | memcpy((void*)photoshop->copyright, (void*)premiere->copyright, sizeof(photoshop->copyright)); |
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151 | memcpy((void*)photoshop->author, (void*)premiere->author, sizeof(photoshop->author)); |
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152 | for (i=0;i<4;++i) |
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153 | memcpy((void*)photoshop->map[i], (void*)premiere->map[i], sizeof(photoshop->map[i])); |
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154 | for (i=0;i<8;++i) |
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155 | memcpy((void*)photoshop->ctl[i], (void*)premiere->ctl[i], sizeof(photoshop->ctl[i])); |
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145 | dmarschall | 156 | |
189 | dmarschall | 157 | if (premiere->singleExpression) { |
158 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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159 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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160 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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161 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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162 | } else { |
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163 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[2], sizeof(photoshop->formula[2])); |
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164 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[1], sizeof(photoshop->formula[1])); |
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165 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[0], sizeof(photoshop->formula[0])); |
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166 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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167 | } |
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145 | dmarschall | 168 | } |
169 | |||
149 | dmarschall | 170 | Boolean read8bfplugin(StandardFileReply *sfr,char **reason){ |
189 | dmarschall | 171 | unsigned char magic[2]; |
172 | FILECOUNT count; |
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173 | Handle h; |
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174 | Boolean res = false; |
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175 | FILEREF refnum; |
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176 | int i; |
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149 | dmarschall | 177 | |
189 | dmarschall | 178 | if(FSpOpenDF(&sfr->sfFile,fsRdPerm,&refnum) == noErr){ |
179 | // check DOS EXE magic number |
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180 | count = 2; |
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181 | if(FSRead(refnum,&count,magic) == noErr /*&& magic[0]=='M' && magic[1]=='Z'*/){ |
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182 | if(GetEOF(refnum,(FILEPOS*)&count) == noErr && count < 256L<<10){ // sanity check file size < 256K |
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183 | if( (h = readfileintohandle(refnum)) ){ |
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184 | long *q = (long*)PILOCKHANDLE(h,false); |
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149 | dmarschall | 185 | |
189 | dmarschall | 186 | // look for signature at start of valid PARM resource |
187 | // This signature is observed in Filter Factory standalones. |
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188 | for( count /= 4 ; count >= PARM_SIZE/4 ; --count, ++q ) |
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189 | { |
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149 | dmarschall | 190 | |
191 | #ifdef MAC_ENV |
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189 | dmarschall | 192 | // Case #1: Mac is reading Windows (Win16/32) plugin |
193 | if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
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194 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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195 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
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196 | && (res = readPARM((char*)q, &gdata->parm, reason, 1 /*Windows format resource*/)) ) |
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197 | { |
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198 | // these are the only numeric fields we *have* to swap |
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199 | // all the rest are flags which (if we're careful) will work in either ordering |
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200 | for(i = 0; i < 8; ++i) |
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201 | slider[i] = EndianS32_LtoN(slider[i]); |
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202 | } |
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149 | dmarschall | 203 | #else |
189 | dmarschall | 204 | // Case #2: Windows is reading a Windows plugin (if Resource API failed, i.e. Win64 tries to open NE file) |
205 | if( ((q[0] == PARM_SIZE) || |
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206 | (q[0] == PARM_SIZE_PREMIERE) || |
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207 | (q[0] == PARM_SIG_MAC)) && q[1] == 1 |
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208 | && (res = readPARM((char*)q, &gdata->parm, reason, 1)) ) |
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209 | { |
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210 | } |
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152 | dmarschall | 211 | |
189 | dmarschall | 212 | // Case #3: Windows is reading an old FilterFactory Mac file (.bin) |
213 | else if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
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214 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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215 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
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216 | && (res = readPARM((char*)q, &gdata->parm, reason, 0 /*Strings are already PStrings*/)) ) |
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217 | { |
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218 | // these are the only numeric fields we *have* to swap |
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219 | // all the rest are flags which (if we're careful) will work in either ordering |
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220 | for(i = 0; i < 8; ++i) |
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221 | slider[i] = EndianS32_LtoN(slider[i]); |
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222 | } |
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149 | dmarschall | 223 | #endif |
224 | |||
189 | dmarschall | 225 | if (res) break; |
226 | } |
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227 | PIDISPOSEHANDLE(h); |
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228 | } |
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229 | } |
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230 | } // else no point in proceeding |
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231 | FSClose(refnum); |
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232 | }else |
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233 | *reason = "Could not open file."; |
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234 | return res; |
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149 | dmarschall | 235 | } |
236 | |||
45 | toby | 237 | Boolean readPARM(Ptr p,PARM_T *pparm,char **reasonstr,int fromwin){ |
189 | dmarschall | 238 | int i; |
2 | toby | 239 | |
189 | dmarschall | 240 | if (*((unsigned int*)p) == PARM_SIZE_PREMIERE) { |
241 | convert_premiere_to_photoshop(pparm, (PARM_T_PREMIERE*)p); |
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242 | } else { |
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243 | // Assume it is Photoshop. Signature either PARM_SIZE (0x2068) or 0x1C68 |
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244 | memcpy(pparm,p,sizeof(PARM_T)); |
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245 | } |
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2 | toby | 246 | |
189 | dmarschall | 247 | if(fromwin){ |
248 | /* Windows PARM resource stores C strings - convert to Pascal strings */ |
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249 | myc2pstr((char*)pparm->category); |
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250 | myc2pstr((char*)pparm->title); |
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251 | myc2pstr((char*)pparm->copyright); |
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252 | myc2pstr((char*)pparm->author); |
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253 | for(i = 0; i < 4; ++i) |
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254 | myc2pstr((char*)pparm->map[i]); |
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255 | for(i = 0; i < 8; ++i) |
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256 | myc2pstr((char*)pparm->ctl[i]); |
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257 | } |
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45 | toby | 258 | |
189 | dmarschall | 259 | for(i = 0; i < 4; ++i){ |
260 | if(expr[i]) free(expr[i]); |
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261 | expr[i] = my_strdup(pparm->formula[i]); |
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262 | } |
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2 | toby | 263 | |
189 | dmarschall | 264 | for(i = 0; i < 8; ++i) |
265 | slider[i] = pparm->val[i]; |
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2 | toby | 266 | |
189 | dmarschall | 267 | return true; |
2 | toby | 268 | } |
269 | |||
270 | Handle readfileintohandle(FILEREF r){ |
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189 | dmarschall | 271 | FILEPOS n; |
272 | Handle h; |
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273 | Ptr p; |
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2 | toby | 274 | |
189 | dmarschall | 275 | if( GetEOF(r,&n) == noErr && (h = PINEWHANDLE(n)) ){ |
276 | p = PILOCKHANDLE(h,false); |
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277 | if(SetFPos(r,fsFromStart,0) == noErr && FSRead(r,(FILECOUNT*)&n,p) == noErr){ |
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278 | PIUNLOCKHANDLE(h); |
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279 | return h; |
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280 | } |
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281 | PIDISPOSEHANDLE(h); |
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282 | } |
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283 | return NULL; |
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2 | toby | 284 | } |
285 | |||
188 | dmarschall | 286 | Boolean fileHasExtension(StandardFileReply *sfr, const char* extension) { |
287 | #ifdef WIN_ENV |
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189 | dmarschall | 288 | char name[MAX_PATH+1]; |
289 | return sfr->nFileExtension && !strcasecmp(myp2cstrcpy(name,sfr->sfFile.name) + sfr->nFileExtension,extension); |
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188 | dmarschall | 290 | #else |
189 | dmarschall | 291 | char name[1025]; // https://stackoverflow.com/questions/1295135/longest-pathname-string-in-mac-os-x-hfs |
292 | char* s = myp2cstrcpy(name,sfr->sfFile.name); |
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293 | return strcmp(s + strlen(s) - strlen(extension), extension) == 0; |
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188 | dmarschall | 294 | #endif |
295 | } |
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296 | |||
2 | toby | 297 | Boolean readfile(StandardFileReply *sfr,char **reason){ |
189 | dmarschall | 298 | FILEREF r; |
299 | Handle h; |
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300 | Boolean res = false; |
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2 | toby | 301 | |
189 | dmarschall | 302 | if(FSpOpenDF(&sfr->sfFile,fsRdPerm,&r) == noErr){ |
303 | if( (h = readfileintohandle(r)) ){ |
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304 | if( (res = readparams(h,true,reason)) ) { |
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305 | gdata->standalone = false; // so metadata fields will default, if user chooses Make... |
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145 | dmarschall | 306 | |
189 | dmarschall | 307 | if (fileHasExtension(sfr, ".pff")) { |
308 | // If it is a Premiere settings file, we need to swap the channels red and blue |
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309 | char* tmp; |
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310 | tmp = my_strdup(expr[0]); |
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311 | memcpy((void*)expr[0], (void*)expr[2], sizeof(expr[0])); |
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312 | memcpy((void*)expr[2], (void*)tmp, sizeof(expr[2])); |
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313 | free(tmp); |
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314 | } |
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315 | } |
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145 | dmarschall | 316 | |
189 | dmarschall | 317 | PIDISPOSEHANDLE(h); |
318 | } |
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319 | FSClose(r); |
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320 | }else |
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321 | *reason = "Could not open the file."; |
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2 | toby | 322 | |
189 | dmarschall | 323 | return res; |
2 | toby | 324 | } |