WebSVN – filter_foundry – Blame – /trunk/ff_misc.c

Rev	Author	Line No.	Line
484	daniel-mar	1	/*
486	daniel-mar	2	This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop
		3	Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au
		4	Copyright (C) 2018-2022 Daniel Marschall, ViaThinkSoft
484	daniel-mar	5
486	daniel-mar	6	This program is free software; you can redistribute it and/or modify
		7	it under the terms of the GNU General Public License as published by
		8	the Free Software Foundation; either version 2 of the License, or
		9	(at your option) any later version.
484	daniel-mar	10
486	daniel-mar	11	This program is distributed in the hope that it will be useful,
		12	but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	GNU General Public License for more details.
484	daniel-mar	15
486	daniel-mar	16	You should have received a copy of the GNU General Public License
		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
484	daniel-mar	19	*/
		20
		21	#include "ff.h"
		22
485	daniel-mar	23	#include "PIBufferSuite.h"
486	daniel-mar	24	#include "PIHandleSuite.h"
485	daniel-mar	25
486	daniel-mar	26	void newHandle(FFHandle* hdl, size_t nBytes) {
		27	PSHandleSuite1* pSHandleSuite1 = NULL;
		28	PSHandleSuite2* pSHandleSuite2 = NULL;
485	daniel-mar	29
486	daniel-mar	30	if ((gpb->sSPBasic != 0) &&
		31	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		32	(pSHandleSuite2 != NULL) &&
		33	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		34	)
		35	{
		36	// PICA Handle Suite 2.0
		37	hdl->signature = HDLVERSION_SUITE2;
		38	gdata->lastKnownHandleVersion = hdl->signature;
		39	hdl->handle = pSHandleSuite2->New(nBytes);
		40	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		41	}
		42	else if ((gpb->sSPBasic != 0) &&
		43	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		44	(pSHandleSuite1 != NULL)
		45	)
		46	{
		47	// PICA Handle Suite 1.0
		48	hdl->signature = HDLVERSION_SUITE1;
		49	gdata->lastKnownHandleVersion = hdl->signature;
		50	hdl->handle = pSHandleSuite1->New(nBytes);
		51	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		52	}
		53	else {
		54	// Standard Handle Suite (deprecated)
		55	hdl->signature = HDLVERSION_STANDARD;
		56	gdata->lastKnownHandleVersion = hdl->signature;
		57	hdl->handle = gpb->handleProcs->newProc(nBytes);
		58	}
		59	}
		60
		61	void disposeHandle(FFHandle* hdl) {
		62	if (hdl->signature == HDLVERSION_SUITE2) {
		63	PSHandleSuite2* pSHandleSuite2 = NULL;
		64	if ((gpb->sSPBasic != 0) &&
		65	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		66	(pSHandleSuite2 != NULL) &&
		67	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		68	)
		69	{
		70	// PICA Handle Suite 2.0
		71	pSHandleSuite2->Dispose(hdl->handle);
		72	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		73	}
		74	}
		75	else if (hdl->signature == HDLVERSION_SUITE1) {
		76	PSHandleSuite1* pSHandleSuite1 = NULL;
		77	if ((gpb->sSPBasic != 0) &&
		78	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		79	(pSHandleSuite1 != NULL)
		80	)
		81	{
		82	// PICA Handle Suite 1.0
		83	pSHandleSuite1->Dispose(hdl->handle);
		84	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		85	}
		86	}
		87	else if (hdl->signature == HDLVERSION_STANDARD) {
		88	// Standard Handle Suite (deprecated)
		89	gpb->handleProcs->disposeProc(hdl->handle);
		90	}
		91	hdl->signature = HDLVERSION_NULL;
		92	}
		93
		94	size_t getHandleSize(FFHandle* hdl) {
		95	if (hdl->signature == HDLVERSION_SUITE2) {
		96	PSHandleSuite2* pSHandleSuite2 = NULL;
		97	if ((gpb->sSPBasic != 0) &&
		98	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		99	(pSHandleSuite2 != NULL) &&
		100	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		101	)
		102	{
		103	// PICA Handle Suite 2.0
		104	int32 size = pSHandleSuite2->GetSize(hdl->handle);
		105	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		106	return (size_t)size;
		107	}
		108	}
		109	else if (hdl->signature == HDLVERSION_SUITE1) {
		110	PSHandleSuite1* pSHandleSuite1 = NULL;
		111	if ((gpb->sSPBasic != 0) &&
		112	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		113	(pSHandleSuite1 != NULL)
		114	)
		115	{
		116	// PICA Handle Suite 1.0
		117	int32 size = pSHandleSuite1->GetSize(hdl->handle);
		118	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		119	return (size_t)size;
		120	}
		121	}
		122	else if (hdl->signature == HDLVERSION_STANDARD) {
		123	// Standard Handle Suite (deprecated)
		124	return gpb->handleProcs->getSizeProc(hdl->handle);
		125	}
		126	return 0;
		127	}
		128
		129	OSErr setHandleSize(FFHandle* hdl, size_t nBytes) {
		130	if (hdl->signature == HDLVERSION_SUITE2) {
		131	PSHandleSuite2* pSHandleSuite2 = NULL;
		132	if ((gpb->sSPBasic != 0) &&
		133	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		134	(pSHandleSuite2 != NULL) &&
		135	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		136	)
		137	{
		138	// PICA Handle Suite 2.0
		139	OSErr ret = pSHandleSuite2->SetSize(hdl->handle, nBytes);
		140	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		141	return ret;
		142	}
		143	}
		144	else if (hdl->signature == HDLVERSION_SUITE1) {
		145	PSHandleSuite1* pSHandleSuite1 = NULL;
		146	if ((gpb->sSPBasic != 0) &&
		147	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		148	(pSHandleSuite1 != NULL)
		149	)
		150	{
		151	// PICA Handle Suite 1.0
		152	OSErr ret = pSHandleSuite1->SetSize(hdl->handle, nBytes);
		153	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		154	return ret;
		155	}
		156	}
		157	else if (hdl->signature == HDLVERSION_STANDARD) {
		158	// Standard Handle Suite (deprecated)
		159	return gpb->handleProcs->setSizeProc(hdl->handle, nBytes);
		160	}
		161	return errMissingParameter;
		162	}
		163
		164	Ptr lockHandle(FFHandle* hdl) {
		165	if (hdl->signature == HDLVERSION_SUITE2) {
		166	PSHandleSuite2* pSHandleSuite2 = NULL;
		167	if ((gpb->sSPBasic != 0) &&
		168	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		169	(pSHandleSuite2 != NULL) &&
		170	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		171	)
		172	{
		173	// PICA Handle Suite 2.0
		174	Ptr address;
		175	Boolean oldLock;
		176	pSHandleSuite2->SetLock(hdl->handle, true, &address, &oldLock);
		177	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		178	return address;
		179	}
		180	}
		181	else if (hdl->signature == HDLVERSION_SUITE1) {
		182	PSHandleSuite1* pSHandleSuite1 = NULL;
		183	if ((gpb->sSPBasic != 0) &&
		184	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		185	(pSHandleSuite1 != NULL)
		186	)
		187	{
		188	// PICA Handle Suite 1.0
		189	Ptr address;
		190	Boolean oldLock;
		191	pSHandleSuite1->SetLock(hdl->handle, true, &address, &oldLock);
		192	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		193	return address;
		194	}
		195	}
		196	else if (hdl->signature == HDLVERSION_STANDARD) {
		197	// Standard Handle Suite (deprecated)
		198	return gpb->handleProcs->lockProc(hdl->handle, true);
		199	}
		200	return NULL;
		201	}
		202
		203	void unlockHandle(FFHandle* hdl) {
		204	if (hdl->signature == HDLVERSION_SUITE2) {
		205	PSHandleSuite2* pSHandleSuite2 = NULL;
		206	if ((gpb->sSPBasic != 0) &&
		207	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion2, (const void**)&pSHandleSuite2) == noErr) &&
		208	(pSHandleSuite2 != NULL) &&
		209	(pSHandleSuite2 != (PSHandleSuite2)gpb->handleProcs /PS7 doesn't have the bug like in BufferSuite2, but we just want to be sure...*/)
		210	)
		211	{
		212	// PICA Handle Suite 2.0
		213	Ptr address;
		214	Boolean oldLock;
		215	pSHandleSuite2->SetLock(hdl->handle, false, &address, &oldLock);
		216	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion2);
		217	}
		218	}
		219	else if (hdl->signature == HDLVERSION_SUITE1) {
		220	PSHandleSuite1* pSHandleSuite1 = NULL;
		221	if ((gpb->sSPBasic != 0) &&
		222	(gpb->sSPBasic->AcquireSuite(kPIHandleSuite, kPSHandleSuiteVersion1, (const void**)&pSHandleSuite1) == noErr) &&
		223	(pSHandleSuite1 != NULL)
		224	)
		225	{
		226	// PICA Handle Suite 1.0
		227	Ptr address;
		228	Boolean oldLock;
		229	pSHandleSuite1->SetLock(hdl->handle, false, &address, &oldLock);
		230	gpb->sSPBasic->ReleaseSuite(kPIHandleSuite, kPSHandleSuiteVersion1);
		231	}
		232	}
		233	else if (hdl->signature == HDLVERSION_STANDARD) {
		234	// Standard Handle Suite (deprecated)
		235	gpb->handleProcs->unlockProc(hdl->handle);
		236	}
		237	}
		238
		239	// -----------------------------------------------------------------------------------
		240	// These functions are for code backwards compatibility:
		241
		242	Handle PINEWHANDLE(int32 size) {
		243	FFHandle fh;
		244	newHandle(&fh, size);
		245	// Note: newHandle() set gdata->lastKnownHandleVersion, so that
		246	// the other functions like PILOCKHANDLE can use it. This is safe,
		247	// as we can assume that the version is always the same for all handles from this host.
		248	return fh.handle;
		249	}
		250
		251	void PIDISPOSEHANDLE(Handle h) {
		252	FFHandle fh;
		253	fh.signature = gdata->lastKnownHandleVersion;
		254	fh.handle = h;
		255	disposeHandle(&fh);
		256	}
		257
		258	int32 PIGETHANDLESIZE(Handle h) {
		259	FFHandle fh;
		260	fh.signature = gdata->lastKnownHandleVersion;
		261	fh.handle = h;
		262	return getHandleSize(&fh);
		263	}
		264
		265	OSErr PISETHANDLESIZE(Handle h, int32 newSize) {
		266	FFHandle fh;
		267	fh.signature = gdata->lastKnownHandleVersion;
		268	fh.handle = h;
		269	return setHandleSize(&fh, newSize);
		270	}
		271
		272	Ptr PILOCKHANDLE(Handle h, Boolean moveHigh) {
		273	FFHandle fh;
		274	fh.signature = gdata->lastKnownHandleVersion;
		275	fh.handle = h;
		276	return lockHandle(&fh);
		277	}
		278
		279	void PIUNLOCKHANDLE(Handle h) {
		280	FFHandle fh;
		281	fh.signature = gdata->lastKnownHandleVersion;
		282	fh.handle = h;
		283	unlockHandle(&fh);
		284	}
		285
		286	// -----------------------------------------------------------------------------------
		287
		288	void newBuffer(FFBuffer* buf, size_t nBytes) {
485	daniel-mar	289	PSBufferSuite1* pSBufferSuite32 = NULL;
		290	PSBufferSuite2* pSBufferSuite64 = NULL;
		291
		292	if ((gpb->sSPBasic != 0) &&
		293	(gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion2, (const void**)&pSBufferSuite64) == noErr) &&
		294	(pSBufferSuite64 != NULL) &&
		295	(pSBufferSuite64 != (PSBufferSuite2)gpb->bufferProcs /Implementation mistake in old Photoshop versions! (see note below)*/)
		296	)
		297	{
		298	// PICA Buffer Suite 2.0 (64 bit)
		299	//
		300	// Note: Windows Photoshop 7 and CS 2 (Other Photoshop versions were not tested) accept
		301	// kPSBufferSuiteVersion2, but dont't correctly implement it:
		302	// Instead of returning a pointer to a PSBufferSuite2 structure,
		303	// they return the pointer RecordPtr->bufferProcs (structure BufferProcs)!
		304	//
		305	// 64-bit support for Windows was established in Photoshop CS 4,
		306	// and PSBufferSuite2 was first documented in SDK CS 6.
		307	//
		308	// So, kPSBufferSuiteVersion2 probably was partially implemented as hidden "Work in progress" version
		309	// before it was publicly documented.
		310	// Side note: pb->bufferSpace64/pb->maxSpace64 was documented in SDK CC 2017.
		311	// pb->bufferProcs->allocateProc64/spaceProc64 was documented in SDK CS 6.
		312	unsigned32 siz = nBytes;
486	daniel-mar	313	buf->signature = BUFVERSION_SUITE64;
		314	gdata->lastKnownBufferVersion = buf->signature;
		315	buf->suite = (Ptr)pSBufferSuite64->New(&siz, siz);
485	daniel-mar	316	if (siz < nBytes) {
486	daniel-mar	317	buf->signature = BUFVERSION_NULL;
		318	buf->suite = NULL;
485	daniel-mar	319	}
		320	gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion2);
484	daniel-mar	321	}
485	daniel-mar	322	else if ((gpb->sSPBasic != 0) &&
		323	(gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion1, (const void**)&pSBufferSuite32) == noErr) &&
		324	(pSBufferSuite32 != NULL))
		325	{
		326	// PICA Buffer Suite 1.0 (32 bit)
		327	unsigned32 siz = nBytes;
486	daniel-mar	328	buf->signature = BUFVERSION_SUITE32;
		329	gdata->lastKnownBufferVersion = buf->signature;
		330	buf->suite = (Ptr)pSBufferSuite32->New(&siz, siz);
485	daniel-mar	331	if (siz < nBytes) {
486	daniel-mar	332	buf->signature = BUFVERSION_NULL;
		333	buf->suite = NULL;
485	daniel-mar	334	}
		335	gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion1);
484	daniel-mar	336	}
485	daniel-mar	337	else if (gpb->bufferProcs->numBufferProcs >= 8)
		338	{
		339	// Standard Buffer Suite 64 bit (deprecated)
486	daniel-mar	340	buf->signature = BUFVERSION_STD64;
		341	gdata->lastKnownBufferVersion = buf->signature;
		342	if (gpb->bufferProcs->allocateProc64(nBytes, &buf->standard) != noErr) {
		343	buf->signature = BUFVERSION_NULL;
		344	buf->standard = NULL;
485	daniel-mar	345	}
		346	}
		347	else
		348	{
		349	// Standard Buffer Suite 32 bit (deprecated)
486	daniel-mar	350	buf->signature = BUFVERSION_STD32;
		351	gdata->lastKnownBufferVersion = buf->signature;
		352	if (gpb->bufferProcs->allocateProc(nBytes, &buf->standard) != noErr) {
		353	buf->signature = BUFVERSION_NULL;
		354	buf->standard = NULL;
485	daniel-mar	355	}
		356	}
484	daniel-mar	357	}
		358
486	daniel-mar	359	Ptr lockBuffer(FFBuffer* buf) {
		360	if (buf->signature == BUFVERSION_SUITE64) {
		361	return buf->suite;
485	daniel-mar	362	}
486	daniel-mar	363	else if (buf->signature == BUFVERSION_SUITE32) {
		364	return buf->suite;
485	daniel-mar	365	}
486	daniel-mar	366	else if (buf->signature == BUFVERSION_STD64) {
		367	return gpb->bufferProcs->lockProc(buf->standard, true);
485	daniel-mar	368	}
486	daniel-mar	369	else if (buf->signature == BUFVERSION_STD32) {
		370	return gpb->bufferProcs->lockProc(buf->standard, true);
485	daniel-mar	371	}
		372	else {
		373	return NULL;
		374	}
484	daniel-mar	375	}
		376
486	daniel-mar	377	void unlockBuffer(FFBuffer* buf) {
		378	if (buf->signature == BUFVERSION_STD64) {
		379	gpb->bufferProcs->unlockProc(buf->standard);
485	daniel-mar	380	}
486	daniel-mar	381	else if (buf->signature == BUFVERSION_STD32) {
		382	gpb->bufferProcs->unlockProc(buf->standard);
485	daniel-mar	383	}
484	daniel-mar	384	}
		385
486	daniel-mar	386	void disposeBuffer(FFBuffer* buf) {
		387	if (buf->signature == BUFVERSION_SUITE64) {
485	daniel-mar	388	PSBufferSuite2* pSBufferSuite64 = NULL;
		389	if ((gpb->sSPBasic != 0) &&
		390	(gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion2, (const void**)&pSBufferSuite64) == noErr) &&
486	daniel-mar	391	(pSBufferSuite64 != NULL) &&
		392	(pSBufferSuite64 != (PSBufferSuite2)gpb->bufferProcs /Implementation mistake in old Photoshop versions! (see note below)*/)
		393	)
485	daniel-mar	394	{
		395	// PICA Buffer Suite 2.0 (64 bit)
486	daniel-mar	396	pSBufferSuite64->Dispose(&buf->suite);
485	daniel-mar	397	gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion2);
		398	}
		399	}
486	daniel-mar	400	else if (buf->signature == BUFVERSION_SUITE32) {
485	daniel-mar	401	PSBufferSuite1* pSBufferSuite32 = NULL;
		402	if ((gpb->sSPBasic != 0) &&
		403	(gpb->sSPBasic->AcquireSuite(kPSBufferSuite, kPSBufferSuiteVersion1, (const void**)&pSBufferSuite32) == noErr) &&
		404	(pSBufferSuite32 != NULL))
		405	{
		406	// PICA Buffer Suite 1.0 (32 bit)
486	daniel-mar	407	pSBufferSuite32->Dispose(&buf->suite);
485	daniel-mar	408	gpb->sSPBasic->ReleaseSuite(kPSBufferSuite, kPSBufferSuiteVersion1);
		409	}
		410	}
486	daniel-mar	411	else if (buf->signature == BUFVERSION_STD64) {
		412	gpb->bufferProcs->freeProc(buf->standard);
485	daniel-mar	413	}
486	daniel-mar	414	else if (buf->signature == BUFVERSION_STD32) {
		415	gpb->bufferProcs->freeProc(buf->standard);
485	daniel-mar	416	}
486	daniel-mar	417	buf->signature = BUFVERSION_NULL;
484	daniel-mar	418	}

Subversion Repositories filter_foundry

filter_foundry/trunk/ff_misc.c @ 505 – Rev 486