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| Rev | Author | Line No. | Line |
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| 484 | 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 | |||
| 485 | daniel-mar | 23 | #include "PIBufferSuite.h" |
| 24 | |||
| 25 | // TODO: Also implement the handleSuite like this |
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| 26 | |||
| 27 | FFBuffer newBuffer(size_t nBytes) { |
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| 28 | PSBufferSuite1* pSBufferSuite32 = NULL; |
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| 29 | PSBufferSuite2* pSBufferSuite64 = NULL; |
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| 30 | |||
| 31 | FFBuffer ret; |
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| 32 | |||
| 33 | if ((gpb->sSPBasic != 0) && |
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| 34 | (gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion2, (const void**)&pSBufferSuite64) == noErr) && |
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| 35 | (pSBufferSuite64 != NULL) && |
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| 36 | (pSBufferSuite64 != (PSBufferSuite2*)gpb->bufferProcs /*Implementation mistake in old Photoshop versions! (see note below)*/) |
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| 37 | ) |
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| 38 | { |
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| 39 | // PICA Buffer Suite 2.0 (64 bit) |
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| 40 | // |
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| 41 | // Note: Windows Photoshop 7 and CS 2 (Other Photoshop versions were not tested) accept |
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| 42 | // kPSBufferSuiteVersion2, but dont't correctly implement it: |
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| 43 | // Instead of returning a pointer to a PSBufferSuite2 structure, |
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| 44 | // they return the pointer RecordPtr->bufferProcs (structure BufferProcs)! |
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| 45 | // |
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| 46 | // 64-bit support for Windows was established in Photoshop CS 4, |
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| 47 | // and PSBufferSuite2 was first documented in SDK CS 6. |
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| 48 | // |
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| 49 | // So, kPSBufferSuiteVersion2 probably was partially implemented as hidden "Work in progress" version |
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| 50 | // before it was publicly documented. |
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| 51 | // Side note: pb->bufferSpace64/pb->maxSpace64 was documented in SDK CC 2017. |
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| 52 | // pb->bufferProcs->allocateProc64/spaceProc64 was documented in SDK CS 6. |
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| 53 | unsigned32 siz = nBytes; |
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| 54 | ret.signature = BUFVERSION_SUITE64; |
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| 55 | ret.suite64 = (Ptr)pSBufferSuite64->New(&siz, siz); |
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| 56 | if (siz < nBytes) { |
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| 57 | ret.signature = BUFVERSION_NULL; |
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| 58 | ret.suite64 = NULL; |
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| 59 | } |
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| 60 | gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion2); |
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| 484 | daniel-mar | 61 | } |
| 485 | daniel-mar | 62 | else if ((gpb->sSPBasic != 0) && |
| 63 | (gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion1, (const void**)&pSBufferSuite32) == noErr) && |
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| 64 | (pSBufferSuite32 != NULL)) |
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| 65 | { |
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| 66 | // PICA Buffer Suite 1.0 (32 bit) |
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| 67 | unsigned32 siz = nBytes; |
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| 68 | ret.signature = BUFVERSION_SUITE32; |
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| 69 | ret.suite32 = (Ptr)pSBufferSuite32->New(&siz, siz); |
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| 70 | if (siz < nBytes) { |
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| 71 | ret.signature = BUFVERSION_NULL; |
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| 72 | ret.suite32 = NULL; |
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| 73 | } |
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| 74 | gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion1); |
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| 484 | daniel-mar | 75 | } |
| 485 | daniel-mar | 76 | else if (gpb->bufferProcs->numBufferProcs >= 8) |
| 77 | { |
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| 78 | // Standard Buffer Suite 64 bit (deprecated) |
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| 79 | ret.signature = BUFVERSION_STD64; |
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| 80 | if ((/* *result = */ gpb->bufferProcs->allocateProc64(nBytes, &ret.standard))) { |
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| 81 | ret.signature = BUFVERSION_NULL; |
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| 82 | ret.standard = NULL; |
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| 83 | } |
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| 84 | } |
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| 85 | else |
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| 86 | { |
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| 87 | // Standard Buffer Suite 32 bit (deprecated) |
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| 88 | ret.signature = BUFVERSION_STD32; |
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| 89 | if ((/* *result = */ gpb->bufferProcs->allocateProc(nBytes, &ret.standard))) { |
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| 90 | ret.signature = BUFVERSION_NULL; |
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| 91 | ret.standard = NULL; |
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| 92 | } |
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| 93 | } |
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| 94 | |||
| 95 | return ret; |
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| 484 | daniel-mar | 96 | } |
| 97 | |||
| 485 | daniel-mar | 98 | Ptr lockBuffer(FFBuffer bid) { |
| 99 | if (bid.signature == BUFVERSION_SUITE64) { |
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| 100 | return bid.suite64; |
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| 101 | } |
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| 102 | else if (bid.signature == BUFVERSION_SUITE32) { |
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| 103 | return bid.suite32; |
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| 104 | } |
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| 105 | else if (bid.signature == BUFVERSION_STD64) { |
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| 106 | return gpb->bufferProcs->lockProc(bid.standard, true); |
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| 107 | } |
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| 108 | else if (bid.signature == BUFVERSION_STD32) { |
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| 109 | return gpb->bufferProcs->lockProc(bid.standard, true); |
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| 110 | } |
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| 111 | else { |
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| 112 | return NULL; |
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| 113 | } |
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| 484 | daniel-mar | 114 | } |
| 115 | |||
| 485 | daniel-mar | 116 | void unlockBuffer(FFBuffer bid) { |
| 117 | if (bid.signature == BUFVERSION_STD64) { |
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| 118 | gpb->bufferProcs->unlockProc(bid.standard); |
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| 119 | } |
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| 120 | else if (bid.signature == BUFVERSION_STD32) { |
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| 121 | gpb->bufferProcs->unlockProc(bid.standard); |
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| 122 | } |
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| 484 | daniel-mar | 123 | } |
| 124 | |||
| 485 | daniel-mar | 125 | void disposeBuffer(FFBuffer* bid) { |
| 126 | if ((*bid).signature == BUFVERSION_SUITE64) { |
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| 127 | PSBufferSuite2* pSBufferSuite64 = NULL; |
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| 128 | if ((gpb->sSPBasic != 0) && |
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| 129 | (gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion2, (const void**)&pSBufferSuite64) == noErr) && |
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| 130 | (pSBufferSuite64 != NULL)) |
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| 131 | { |
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| 132 | // PICA Buffer Suite 2.0 (64 bit) |
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| 133 | pSBufferSuite64->Dispose(&((*bid).suite64)); |
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| 134 | gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion2); |
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| 135 | } |
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| 136 | } |
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| 137 | else if ((*bid).signature == BUFVERSION_SUITE32) { |
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| 138 | PSBufferSuite1* pSBufferSuite32 = NULL; |
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| 139 | if ((gpb->sSPBasic != 0) && |
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| 140 | (gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion1, (const void**)&pSBufferSuite32) == noErr) && |
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| 141 | (pSBufferSuite32 != NULL)) |
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| 142 | { |
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| 143 | // PICA Buffer Suite 1.0 (32 bit) |
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| 144 | pSBufferSuite32->Dispose(&((*bid).suite32)); |
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| 145 | gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion1); |
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| 146 | } |
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| 147 | } |
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| 148 | else if ((*bid).signature == BUFVERSION_STD64) { |
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| 149 | gpb->bufferProcs->freeProc((*bid).standard); |
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| 150 | } |
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| 151 | else if ((*bid).signature == BUFVERSION_STD32) { |
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| 152 | gpb->bufferProcs->freeProc((*bid).standard); |
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| 153 | } |
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| 154 | (*bid).signature = BUFVERSION_NULL; |
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| 484 | daniel-mar | 155 | } |