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256 | daniel-mar | 1 | /* |
2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
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3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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5 | |||
6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2 of the License, or |
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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 | |||
16 | You should have received a copy of the GNU General Public License |
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17 | along with this program; if not, write to the Free Software |
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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 | |||
25 | #ifdef MAC_ENV |
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26 | #include <Endian.h> |
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27 | #else |
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28 | int EndianS32_LtoN(int num) { |
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272 | daniel-mar | 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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256 | daniel-mar | 32 | ((num<<24)&0xff000000); // byte 0 to byte 3 |
33 | } |
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34 | #endif |
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35 | |||
36 | enum{ |
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37 | BUFSIZE = 4L<<10, |
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38 | MAXLINE = 0x200, |
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39 | }; |
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40 | |||
41 | Boolean readparams(Handle h,Boolean alerts,char **reason){ |
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42 | Boolean res = false; |
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43 | char linebuf[MAXLINE+1],curexpr[MAXEXPR+1],*p,*dataend,*q; |
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44 | char c; |
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45 | int linecnt, lineptr, exprcnt; |
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46 | |||
47 | if(!h){ |
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48 | *reason = _strdup("readparams: Null parameter handle."); |
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49 | return false; |
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50 | } |
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51 | |||
52 | p = PILOCKHANDLE(h,false); |
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53 | dataend = p + PIGETHANDLESIZE(h); |
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54 | |||
55 | q = curexpr; |
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56 | linecnt = exprcnt = lineptr = 0; |
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57 | |||
58 | *reason = _strdup("File was too short."); |
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59 | while(p < dataend){ |
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60 | |||
61 | c = *p++; |
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62 | |||
63 | if(c==CR || c==LF){ /* detected end of line */ |
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64 | |||
65 | /* look ahead to see if we need to skip a line feed (DOS EOL convention) */ |
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66 | if(c == CR && *p == LF && p < dataend) |
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67 | ++p; |
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68 | |||
69 | linebuf[lineptr] = 0; /* add terminating NUL to line buffer */ |
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70 | |||
71 | /* process complete line */ |
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72 | if(linecnt==0){ |
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73 | if(strcmp(linebuf,"%RGB-1.0")){ |
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74 | if(alerts) |
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75 | *reason = _strdup("This doesn't look like a Filter Factory file (first line is not \"%RGB-1.0\")."); |
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76 | break; |
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77 | } |
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78 | }else if(linecnt<=8){ |
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79 | slider[linecnt-1] = atoi(linebuf); |
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80 | }else{ |
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81 | if(lineptr){ |
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82 | /* it's not an empty line; append it to current expr string */ |
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83 | if( q+lineptr > curexpr+MAXEXPR ){ |
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84 | *reason = _strdup("Found an expression longer than 1024 characters."); |
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85 | break; |
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86 | } |
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87 | q = cat(q,linebuf); |
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88 | }else{ |
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89 | /* it's an empty line: we've completed the expr string */ |
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90 | if(expr[exprcnt]) |
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91 | free(expr[exprcnt]); |
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92 | *q = 0; |
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93 | if(!(expr[exprcnt] = my_strdup(curexpr))){ |
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94 | *reason = _strdup("Could not get memory for expression."); |
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95 | break; |
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96 | } |
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97 | |||
98 | if(++exprcnt == 4){ |
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99 | res = true; |
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100 | break; /* got everything we want */ |
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101 | } |
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102 | |||
103 | q = curexpr; /* empty current expr, ready for next one */ |
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104 | } |
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105 | } |
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106 | |||
107 | ++linecnt; |
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108 | lineptr = 0; |
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109 | }else{ |
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110 | /* store character */ |
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111 | if(c=='\\'){ /* escape sequence */ |
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112 | if(p < dataend){ |
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113 | c = *p++; |
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114 | switch(c){ |
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115 | case 'r': |
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268 | daniel-mar | 116 | #if WIN_ENV |
117 | c = CR; |
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118 | if (lineptr < MAXLINE) |
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274 | daniel-mar | 119 | linebuf[lineptr++] = c; |
268 | daniel-mar | 120 | c = LF; |
121 | #else |
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122 | c = CR; |
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123 | #endif |
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124 | break; |
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256 | daniel-mar | 125 | case '\\': break; |
126 | default: |
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127 | if(alerts) alertuser(_strdup("Warning:"),_strdup("Unknown escape sequence in input.")); |
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128 | } |
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129 | }//else if(alerts) alertuser(_strdup("Warning:"),_strdup("truncated escape sequence ends input")); |
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130 | } |
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131 | |||
132 | if(lineptr < MAXLINE) |
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133 | linebuf[lineptr++] = c; |
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134 | } |
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135 | } |
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136 | |||
137 | PIUNLOCKHANDLE(h); |
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138 | |||
139 | if (res) *reason = NULL; // no error |
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140 | return res; |
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141 | } |
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142 | |||
143 | void convert_premiere_to_photoshop(PARM_T* photoshop, PARM_T_PREMIERE* premiere) { |
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144 | int i; |
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145 | |||
146 | photoshop->cbSize = sizeof(PARM_T); |
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147 | photoshop->standalone = premiere->standalone; |
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148 | for (i=0;i<8;++i) |
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272 | daniel-mar | 149 | photoshop->val[i] = premiere->val[i]; |
256 | daniel-mar | 150 | photoshop->popDialog = premiere->popDialog; |
151 | photoshop->unknown1 = premiere->unknown1; |
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152 | photoshop->unknown2 = premiere->unknown2; |
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153 | photoshop->unknown3 = premiere->unknown3; |
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154 | for (i=0;i<4;++i) |
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272 | daniel-mar | 155 | photoshop->map_used[i] = premiere->map_used[i]; |
256 | daniel-mar | 156 | for (i=0;i<8;++i) |
272 | daniel-mar | 157 | photoshop->ctl_used[i] = premiere->ctl_used[i]; |
256 | daniel-mar | 158 | sprintf((char*)photoshop->category, "Filter Factory"); // Premiere plugins do not have a category attribute |
159 | photoshop->iProtected = 0; // Premiere plugins do not have a protect flag |
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160 | memcpy((void*)photoshop->title, (void*)premiere->title, sizeof(photoshop->title)); |
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161 | memcpy((void*)photoshop->copyright, (void*)premiere->copyright, sizeof(photoshop->copyright)); |
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162 | memcpy((void*)photoshop->author, (void*)premiere->author, sizeof(photoshop->author)); |
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163 | for (i=0;i<4;++i) |
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272 | daniel-mar | 164 | memcpy((void*)photoshop->map[i], (void*)premiere->map[i], sizeof(photoshop->map[i])); |
256 | daniel-mar | 165 | for (i=0;i<8;++i) |
272 | daniel-mar | 166 | memcpy((void*)photoshop->ctl[i], (void*)premiere->ctl[i], sizeof(photoshop->ctl[i])); |
256 | daniel-mar | 167 | |
168 | if (premiere->singleExpression) { |
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169 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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170 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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171 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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172 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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173 | } else { |
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174 | memcpy((void*)photoshop->formula[0], (void*)premiere->formula[2], sizeof(photoshop->formula[2])); |
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175 | memcpy((void*)photoshop->formula[1], (void*)premiere->formula[1], sizeof(photoshop->formula[1])); |
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176 | memcpy((void*)photoshop->formula[2], (void*)premiere->formula[0], sizeof(photoshop->formula[0])); |
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177 | memcpy((void*)photoshop->formula[3], (void*)premiere->formula[3], sizeof(photoshop->formula[3])); |
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178 | } |
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179 | } |
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180 | |||
181 | Boolean read8bfplugin(StandardFileReply *sfr,char **reason){ |
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182 | unsigned char magic[2]; |
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183 | FILECOUNT count; |
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184 | Handle h; |
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185 | Boolean res = false; |
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186 | FILEREF refnum; |
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187 | int i; |
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188 | |||
189 | if(FSpOpenDF(&sfr->sfFile,fsRdPerm,&refnum) == noErr){ |
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190 | // check DOS EXE magic number |
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191 | count = 2; |
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192 | if(FSRead(refnum,&count,magic) == noErr /*&& magic[0]=='M' && magic[1]=='Z'*/){ |
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193 | if(GetEOF(refnum,(FILEPOS*)&count) == noErr && count < 2048L<<10){ // sanity check file size < 2MiB (note that "Debug" builds can have approx 700 KiB while "Release" builds have approx 300 KiB) |
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194 | if( (h = readfileintohandle(refnum)) ){ |
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195 | long *q = (long*)PILOCKHANDLE(h,false); |
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196 | |||
197 | // look for signature at start of valid PARM resource |
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198 | // This signature is observed in Filter Factory standalones. |
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199 | for( count /= 4 ; count >= PARM_SIZE/4 ; --count, ++q ) |
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200 | { |
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201 | |||
268 | daniel-mar | 202 | #ifdef MAC_ENV |
256 | daniel-mar | 203 | // Case #1: Mac is reading Windows (Win16/32/64) plugin |
204 | if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
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205 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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206 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
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207 | && (res = readPARM((char*)q, &gdata->parm, reason, 1 /*Windows format resource*/)) ) |
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208 | { |
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209 | // these are the only numeric fields we *have* to swap |
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210 | // all the rest are flags which (if we're careful) will work in either ordering |
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211 | for(i = 0; i < 8; ++i) |
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212 | slider[i] = EndianS32_LtoN(slider[i]); |
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213 | } |
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268 | daniel-mar | 214 | #else |
256 | daniel-mar | 215 | // Case #2: Windows is reading a Windows plugin (if Resource API failed, e.g. Win64 tries to open NE file, Win32 tries to open 64bit file) |
216 | if( ((q[0] == PARM_SIZE) || |
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217 | (q[0] == PARM_SIZE_PREMIERE) || |
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218 | (q[0] == PARM_SIG_MAC)) && q[1] == 1 |
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219 | && (res = readPARM((char*)q, &gdata->parm, reason, 1)) ) |
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220 | { |
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221 | } |
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222 | |||
223 | // Case #3: Windows is reading an old FilterFactory Mac file (.bin) |
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224 | else if( ((EndianS32_LtoN(q[0]) == PARM_SIZE) || |
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225 | (EndianS32_LtoN(q[0]) == PARM_SIZE_PREMIERE) || |
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226 | (EndianS32_LtoN(q[0]) == PARM_SIG_MAC)) && EndianS32_LtoN(q[1]) == 1 |
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227 | && (res = readPARM((char*)q, &gdata->parm, reason, 0 /*Strings are already PStrings*/)) ) |
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228 | { |
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229 | // these are the only numeric fields we *have* to swap |
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230 | // all the rest are flags which (if we're careful) will work in either ordering |
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231 | for(i = 0; i < 8; ++i) |
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232 | slider[i] = EndianS32_LtoN(slider[i]); |
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233 | } |
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268 | daniel-mar | 234 | #endif |
256 | daniel-mar | 235 | |
236 | if (res) break; |
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237 | } |
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238 | PIDISPOSEHANDLE(h); |
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239 | } |
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240 | } |
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241 | } // else no point in proceeding |
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242 | FSClose(refnum); |
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243 | }else |
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244 | *reason = _strdup("Could not open file."); |
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245 | |||
246 | if (res) gdata->obfusc = false; |
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247 | return res; |
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248 | } |
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249 | |||
250 | Boolean readPARM(Ptr p,PARM_T *pparm,char **reasonstr,int fromwin){ |
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251 | int i; |
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252 | |||
253 | if (*((unsigned int*)p) == PARM_SIZE_PREMIERE) { |
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254 | convert_premiere_to_photoshop(pparm, (PARM_T_PREMIERE*)p); |
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255 | } else { |
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256 | // Assume it is Photoshop. Signature either PARM_SIZE (0x2068) or 0x1C68 |
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257 | memcpy(pparm,p,sizeof(PARM_T)); |
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258 | } |
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259 | |||
260 | if(fromwin){ |
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261 | /* Windows PARM resource stores C strings - convert to Pascal strings */ |
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262 | myc2pstr((char*)pparm->category); |
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263 | myc2pstr((char*)pparm->title); |
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264 | myc2pstr((char*)pparm->copyright); |
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265 | myc2pstr((char*)pparm->author); |
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266 | for(i = 0; i < 4; ++i) |
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267 | myc2pstr((char*)pparm->map[i]); |
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268 | for(i = 0; i < 8; ++i) |
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269 | myc2pstr((char*)pparm->ctl[i]); |
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270 | } |
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271 | |||
272 | for(i = 0; i < 4; ++i){ |
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273 | if(expr[i]) free(expr[i]); |
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274 | expr[i] = my_strdup(pparm->formula[i]); |
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275 | } |
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276 | |||
277 | for(i = 0; i < 8; ++i) |
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301 | daniel-mar | 278 | slider[i] = (uint8_t)pparm->val[i]; |
256 | daniel-mar | 279 | |
280 | return true; |
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281 | } |
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282 | |||
283 | Handle readfileintohandle(FILEREF r){ |
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284 | FILEPOS n; |
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285 | Handle h; |
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286 | Ptr p; |
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287 | |||
288 | if( GetEOF(r,&n) == noErr && (h = PINEWHANDLE(n)) ){ |
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289 | p = PILOCKHANDLE(h,false); |
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290 | if(SetFPos(r,fsFromStart,0) == noErr && FSRead(r,(FILECOUNT*)&n,p) == noErr){ |
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291 | PIUNLOCKHANDLE(h); |
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292 | return h; |
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293 | } |
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294 | PIDISPOSEHANDLE(h); |
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295 | } |
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296 | return NULL; |
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297 | } |
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298 | |||
299 | Boolean fileHasExtension(StandardFileReply *sfr, const char* extension) { |
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268 | daniel-mar | 300 | #ifdef WIN_ENV |
301 | |||
256 | daniel-mar | 302 | char name[MAX_PATH+1]; |
263 | daniel-mar | 303 | return sfr->nFileExtension && !strcasecmp(myp2cstrcpy(name,sfr->sfFile.name) + sfr->nFileExtension - 1,extension); |
268 | daniel-mar | 304 | |
305 | #else |
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306 | |||
256 | daniel-mar | 307 | char name[1025]; // https://stackoverflow.com/questions/1295135/longest-pathname-string-in-mac-os-x-hfs |
308 | char* s = myp2cstrcpy(name,sfr->sfFile.name); |
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309 | return strcmp(s + strlen(s) - strlen(extension), extension) == 0; |
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268 | daniel-mar | 310 | |
311 | #endif |
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256 | daniel-mar | 312 | } |
313 | |||
314 | Boolean readfile(StandardFileReply *sfr,char **reason){ |
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315 | FILEREF r; |
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316 | Handle h; |
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317 | Boolean res = false; |
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318 | |||
319 | if(FSpOpenDF(&sfr->sfFile,fsRdPerm,&r) == noErr){ |
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320 | if( (h = readfileintohandle(r)) ){ |
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321 | if( (res = readparams(h,true,reason)) ) { |
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322 | gdata->standalone = false; // so metadata fields will default, if user chooses Make... |
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323 | |||
324 | if (fileHasExtension(sfr, ".pff")) { |
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325 | // If it is a Premiere settings file, we need to swap the channels red and blue |
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263 | daniel-mar | 326 | // We just swap the pointers! |
256 | daniel-mar | 327 | char* tmp; |
263 | daniel-mar | 328 | tmp = expr[0]; |
329 | expr[0] = expr[2]; |
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330 | expr[2] = tmp; |
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256 | daniel-mar | 331 | } |
332 | } |
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333 | |||
334 | PIDISPOSEHANDLE(h); |
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335 | } |
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336 | FSClose(r); |
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337 | }else |
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338 | *reason = _strdup("Could not open the file."); |
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339 | |||
340 | return res; |
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341 | } |