sdl-ios-xcode: src/video/maccommon/SDL

annotate src/video/maccommon/SDL_macwm.c @ 3962:7cdb1d7fc93b SDL-1.2

Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video targets, thanks to Gregory Smith! Fixes Bugzilla #431.

author	Ryan C. Gordon <icculus@icculus.org>
date	Fri, 15 Jun 2007 06:29:52 +0000
parents	d910939febfa
children	a1b03ba2fcd0

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	6 modify it under the terms of the GNU Lesser General Public
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	13 Lesser General Public License for more details.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1133 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	22 #include "SDL_config.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
1133 609c060fd2a2 The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	24 #if defined(__APPLE__) && defined(__MACH__)
609c060fd2a2 The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	25 #include <Carbon/Carbon.h>
609c060fd2a2 The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails: Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	26 #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	27 #include <Carbon.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	28 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29 #include <Windows.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include <Strings.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	31 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32
3962 7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	33 #if SDL_MACCLASSIC_GAMMA_SUPPORT
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	34 #include <Devices.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	35 #include <Files.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	36 #include <MacTypes.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	37 #include <QDOffscreen.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	38 #include <Quickdraw.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	39 #include <Video.h>
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	40 #endif
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	41
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	42 #include "SDL_stdinc.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	43 #include "SDL_macwm_c.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	44
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	45 void Mac_SetCaption(_THIS, const char title, const char icon)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	46 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	47 /* Don't convert C to P string in place, because it may be read-only */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	48 Str255 ptitle; /* MJS */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	49 ptitle[0] = strlen (title);
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	50 SDL_memcpy(ptitle+1, title, ptitle[0]); /* MJS */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	51 if (SDL_Window)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	52 SetWTitle(SDL_Window, ptitle); /* MJS */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	53 }
3962 7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	54
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	55 #if SDL_MACCLASSIC_GAMMA_SUPPORT
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	56 /*
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	57 * ADC Gamma Ramp support...
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	58 *
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	59 * Mac Gamma Ramp code was originally from sample code provided by
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	60 * Apple Developer Connection, and not written specifically for SDL:
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	61 * "Contains: Functions to enable Mac OS device gamma adjustments using 3 channel 256 element 8 bit gamma ramps
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	62 * Written by: Geoff Stahl (ggs)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	63 * Copyright: Copyright (c) 1999 Apple Computer, Inc., All Rights Reserved
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	64 * Disclaimer: You may incorporate this sample code into your applications without
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	65 * restriction, though the sample code has been provided "AS IS" and the
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	66 * responsibility for its operation is 100% yours. However, what you are
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	67 * not permitted to do is to redistribute the source as "DSC Sample Code"
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	68 * after having made changes. If you're going to re-distribute the source,
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	69 * we require that you make it clear in the source that the code was
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	70 * descended from Apple Sample Code, but that you've made changes."
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	71 * (The sample code has been integrated into this file, and thus is modified from the original Apple sources.)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	72 */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	73
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	74 typedef struct recDeviceGamma /* storage for device handle and gamma table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	75 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	76 GDHandle hGD; /* handle to device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	77 GammaTblPtr pDeviceGamma; /* pointer to device gamma table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	78 } recDeviceGamma;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	79 typedef recDeviceGamma * precDeviceGamma;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	80
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	81 typedef struct recSystemGamma /* storage for system devices and gamma tables */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	82 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	83 short numDevices; /* number of devices */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	84 precDeviceGamma * devGamma; /* array of pointers to device gamma records */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	85 } recSystemGamma;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	86 typedef recSystemGamma * precSystemGamma;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	87
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	88 static Ptr CopyGammaTable (GammaTblPtr pTableGammaIn)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	89 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	90 GammaTblPtr pTableGammaOut = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	91 short tableSize, dataWidth;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	92
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	93 if (pTableGammaIn) /* if there is a table to copy */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	94 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	95 dataWidth = (pTableGammaIn->gDataWidth + 7) / 8; /* number of bytes per entry */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	96 tableSize = sizeof (GammaTbl) + pTableGammaIn->gFormulaSize +
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	97 (pTableGammaIn->gChanCnt * pTableGammaIn->gDataCnt * dataWidth);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	98 pTableGammaOut = (GammaTblPtr) NewPtr (tableSize); /* allocate new table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	99 if (pTableGammaOut)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	100 BlockMove( (Ptr)pTableGammaIn, (Ptr)pTableGammaOut, tableSize); /* move everything */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	101 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	102 return (Ptr)pTableGammaOut; /* return whatever we allocated, could be NULL */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	103 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	104
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	105 static OSErr GetGammaTable (GDHandle hGD, GammaTblPtr * ppTableGammaOut)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	106 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	107 VDGammaRecord DeviceGammaRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	108 CntrlParam cParam;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	109 OSErr err;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	110
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	111 cParam.ioCompletion = NULL; /* set up control params */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	112 cParam.ioNamePtr = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	113 cParam.ioVRefNum = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	114 cParam.ioCRefNum = (**hGD).gdRefNum;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	115 cParam.csCode = cscGetGamma; /* Get Gamma commnd to device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	116 (Ptr )cParam.csParam = (Ptr) &DeviceGammaRec; /* record for gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	117
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	118 err = PBStatusSync( (ParmBlkPtr)&cParam ); /* get gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	119
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	120 ppTableGammaOut = (GammaTblPtr)(DeviceGammaRec.csGTable); / pull table out of record */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	121
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	122 return err;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	123 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	124
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	125 static Ptr GetDeviceGamma (GDHandle hGD)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	126 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	127 GammaTblPtr pTableGammaDevice = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	128 GammaTblPtr pTableGammaReturn = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	129 OSErr err;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	130
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	131 err = GetGammaTable (hGD, &pTableGammaDevice); /* get a pointer to the devices table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	132 if ((noErr == err) && pTableGammaDevice) /* if succesful */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	133 pTableGammaReturn = (GammaTblPtr) CopyGammaTable (pTableGammaDevice); /* copy to global */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	134
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	135 return (Ptr) pTableGammaReturn;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	136 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	137
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	138 static void DisposeGammaTable (Ptr pGamma)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	139 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	140 if (pGamma)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	141 DisposePtr((Ptr) pGamma); /* get rid of it */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	142 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	143
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	144 static void DisposeSystemGammas (Ptr* ppSystemGammas)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	145 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	146 precSystemGamma pSysGammaIn;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	147 if (ppSystemGammas)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	148 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	149 pSysGammaIn = (precSystemGamma) *ppSystemGammas;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	150 if (pSysGammaIn)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	151 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	152 short i;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	153 for (i = 0; i < pSysGammaIn->numDevices; i++) /* for all devices */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	154 if (pSysGammaIn->devGamma [i]) /* if pointer is valid */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	155 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	156 DisposeGammaTable ((Ptr) pSysGammaIn->devGamma [i]->pDeviceGamma); /* dump gamma table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	157 DisposePtr ((Ptr) pSysGammaIn->devGamma [i]); /* dump device info */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	158 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	159 DisposePtr ((Ptr) pSysGammaIn->devGamma); /* dump device pointer array */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	160 DisposePtr ((Ptr) pSysGammaIn); /* dump system structure */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	161 *ppSystemGammas = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	162 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	163 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	164 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	165
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	166 static Boolean GetDeviceGammaRampGD (GDHandle hGD, Ptr pRamp)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	167 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	168 GammaTblPtr pTableGammaTemp = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	169 long indexChan, indexEntry;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	170 OSErr err;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	171
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	172 if (pRamp) /* ensure pRamp is allocated */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	173 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	174 err = GetGammaTable (hGD, &pTableGammaTemp); /* get a pointer to the current gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	175 if ((noErr == err) && pTableGammaTemp) /* if successful */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	176 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	177 /* fill ramp */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	178 unsigned char * pEntry = (unsigned char ) &pTableGammaTemp->gFormulaData + pTableGammaTemp->gFormulaSize; / base of table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	179 short bytesPerEntry = (pTableGammaTemp->gDataWidth + 7) / 8; /* size, in bytes, of the device table entries */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	180 short shiftRightValue = pTableGammaTemp->gDataWidth - 8; /* number of right shifts device -> ramp */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	181 short channels = pTableGammaTemp->gChanCnt;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	182 short entries = pTableGammaTemp->gDataCnt;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	183 if (3 == channels) /* RGB format */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	184 { /* note, this will create runs of entries if dest. is bigger (not linear interpolate) */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	185 for (indexChan = 0; indexChan < channels; indexChan++)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	186 for (indexEntry = 0; indexEntry < 256; indexEntry++)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	187 ((unsigned char ) pRamp + (indexChan * 256) + indexEntry) =
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	188 (pEntry + indexChan entries * bytesPerEntry + indexEntry * entries * bytesPerEntry / 256) >> shiftRightValue;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	189 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	190 else /* single channel format */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	191 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	192 for (indexChan = 0; indexChan < 768; indexChan += 256) /* repeat for all 3 channels (step by ramp size) */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	193 for (indexEntry = 0; indexEntry < 256; indexEntry++) /* for all entries set vramp value */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	194 ((unsigned char ) pRamp + indexChan + indexEntry) =
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	195 (pEntry + indexEntry entries * bytesPerEntry / 256) >> shiftRightValue;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	196 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	197 return true;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	198 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	199 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	200 return false;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	201 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	202
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	203 static Ptr GetSystemGammas (void)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	204 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	205 precSystemGamma pSysGammaOut; /* return pointer to system device gamma info */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	206 short devCount = 0; /* number of devices attached */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	207 Boolean fail = false;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	208 GDHandle hGDevice;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	209
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	210 pSysGammaOut = (precSystemGamma) NewPtr (sizeof (recSystemGamma)); /* allocate for structure */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	211
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	212 hGDevice = GetDeviceList (); /* top of device list */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	213 do /* iterate */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	214 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	215 devCount++; /* count devices */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	216 hGDevice = GetNextDevice (hGDevice); /* next device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	217 } while (hGDevice);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	218
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	219 pSysGammaOut->devGamma = (precDeviceGamma ) NewPtr (sizeof (precDeviceGamma) devCount); /* allocate for array of pointers to device records */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	220 if (pSysGammaOut)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	221 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	222 pSysGammaOut->numDevices = devCount; /* stuff count */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	223
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	224 devCount = 0; /* reset iteration */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	225 hGDevice = GetDeviceList ();
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	226 do
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	227 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	228 pSysGammaOut->devGamma [devCount] = (precDeviceGamma) NewPtr (sizeof (recDeviceGamma)); /* new device record */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	229 if (pSysGammaOut->devGamma [devCount]) /* if we actually allocated memory */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	230 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	231 pSysGammaOut->devGamma [devCount]->hGD = hGDevice; /* stuff handle */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	232 pSysGammaOut->devGamma [devCount]->pDeviceGamma = (GammaTblPtr)GetDeviceGamma (hGDevice); /* copy gamma table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	233 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	234 else /* otherwise dump record on exit */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	235 fail = true;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	236 devCount++; /* next device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	237 hGDevice = GetNextDevice (hGDevice);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	238 } while (hGDevice);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	239 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	240 if (!fail) /* if we did not fail */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	241 return (Ptr) pSysGammaOut; /* return pointer to structure */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	242 else
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	243 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	244 DisposeSystemGammas ((Ptr ) &pSysGammaOut); / otherwise dump the current structures (dispose does error checking) */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	245 return NULL; /* could not complete */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	246 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	247 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	248
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	249 static void RestoreDeviceGamma (GDHandle hGD, Ptr pGammaTable)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	250 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	251 VDSetEntryRecord setEntriesRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	252 VDGammaRecord gameRecRestore;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	253 CTabHandle hCTabDeviceColors;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	254 Ptr csPtr;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	255 OSErr err = noErr;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	256
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	257 if (pGammaTable) /* if we have a table to restore */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	258 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	259 gameRecRestore.csGTable = pGammaTable; /* setup restore record */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	260 csPtr = (Ptr) &gameRecRestore;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	261 err = Control((*hGD).gdRefNum, cscSetGamma, (Ptr) &csPtr); / restore gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	262
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	263 if ((noErr == err) && (8 == ((hGD).gdPMap).pixelSize)) /* if successful and on an 8 bit device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	264 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	265 hCTabDeviceColors = ((hGD).gdPMap).pmTable; /* do SetEntries to force CLUT update */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	266 setEntriesRec.csTable = (ColorSpec ) &(*hCTabDeviceColors).ctTable;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	267 setEntriesRec.csStart = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	268 setEntriesRec.csCount = (**hCTabDeviceColors).ctSize;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	269 csPtr = (Ptr) &setEntriesRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	270
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	271 err = Control((*hGD).gdRefNum, cscSetEntries, (Ptr) &csPtr); / SetEntries in CLUT */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	272 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	273 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	274 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	275
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	276 static void RestoreSystemGammas (Ptr pSystemGammas)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	277 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	278 short i;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	279 precSystemGamma pSysGammaIn = (precSystemGamma) pSystemGammas;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	280 if (pSysGammaIn)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	281 for (i = 0; i < pSysGammaIn->numDevices; i++) /* for all devices */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	282 RestoreDeviceGamma (pSysGammaIn->devGamma [i]->hGD, (Ptr) pSysGammaIn->devGamma [i]->pDeviceGamma); /* restore gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	283 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	284
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	285 static Ptr CreateEmptyGammaTable (short channels, short entries, short bits)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	286 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	287 GammaTblPtr pTableGammaOut = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	288 short tableSize, dataWidth;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	289
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	290 dataWidth = (bits + 7) / 8; /* number of bytes per entry */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	291 tableSize = sizeof (GammaTbl) + (channels * entries * dataWidth);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	292 pTableGammaOut = (GammaTblPtr) NewPtrClear (tableSize); /* allocate new tabel */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	293
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	294 if (pTableGammaOut) /* if we successfully allocated */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	295 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	296 pTableGammaOut->gVersion = 0; /* set parameters based on input */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	297 pTableGammaOut->gType = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	298 pTableGammaOut->gFormulaSize = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	299 pTableGammaOut->gChanCnt = channels;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	300 pTableGammaOut->gDataCnt = entries;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	301 pTableGammaOut->gDataWidth = bits;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	302 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	303 return (Ptr)pTableGammaOut; /* return whatever we allocated */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	304 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	305
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	306 static Boolean SetDeviceGammaRampGD (GDHandle hGD, Ptr pRamp)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	307 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	308 VDSetEntryRecord setEntriesRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	309 VDGammaRecord gameRecRestore;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	310 GammaTblPtr pTableGammaNew;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	311 GammaTblPtr pTableGammaCurrent = NULL;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	312 CTabHandle hCTabDeviceColors;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	313 Ptr csPtr;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	314 OSErr err;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	315 short dataBits, entries, channels = 3; /* force three channels in the gamma table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	316
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	317 if (pRamp) /* ensure pRamp is allocated */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	318 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	319 err= GetGammaTable (hGD, &pTableGammaCurrent); /* get pointer to current table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	320 if ((noErr == err) && pTableGammaCurrent)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	321 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	322 dataBits = pTableGammaCurrent->gDataWidth; /* table must have same data width */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	323 entries = pTableGammaCurrent->gDataCnt; /* table must be same size */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	324 pTableGammaNew = (GammaTblPtr) CreateEmptyGammaTable (channels, entries, dataBits); /* our new table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	325 if (pTableGammaNew) /* if successful fill table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	326 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	327 unsigned char * pGammaBase = (unsigned char ) &pTableGammaNew->gFormulaData + pTableGammaNew->gFormulaSize; / base of table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	328 if ((256 == entries) && (8 == dataBits)) /* simple case: direct mapping */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	329 BlockMove ((Ptr)pRamp, (Ptr)pGammaBase, channels * entries); /* move everything */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	330 else /* tough case handle entry, channel and data size disparities */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	331 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	332 short indexChan, indexEntry;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	333 short bytesPerEntry = (dataBits + 7) / 8; /* size, in bytes, of the device table entries */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	334 short shiftRightValue = 8 - dataBits; /* number of right shifts ramp -> device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	335 shiftRightValue += ((bytesPerEntry - 1) * 8); /* multibyte entries and the need to map a byte at a time most sig. to least sig. */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	336 for (indexChan = 0; indexChan < channels; indexChan++) /* for all the channels */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	337 for (indexEntry = 0; indexEntry < entries; indexEntry++) /* for all the entries */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	338 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	339 short currentShift = shiftRightValue; /* reset current bit shift */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	340 long temp = ((unsigned char )pRamp + (indexChan << 8) + (indexEntry << 8) / entries); /* get data from ramp */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	341 short indexByte;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	342 for (indexByte = 0; indexByte < bytesPerEntry; indexByte++) /* for all bytes */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	343 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	344 if (currentShift < 0) /* shift data correctly for current byte */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	345 *(pGammaBase++) = temp << -currentShift;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	346 else
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	347 *(pGammaBase++) = temp >> currentShift;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	348 currentShift -= 8; /* increment shift to align to next less sig. byte */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	349 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	350 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	351 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	352
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	353 /* set gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	354 gameRecRestore.csGTable = (Ptr) pTableGammaNew; /* setup restore record */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	355 csPtr = (Ptr) &gameRecRestore;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	356 err = Control((*hGD).gdRefNum, cscSetGamma, (Ptr) &csPtr); / restore gamma (note, display drivers may delay returning from this until VBL) */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	357
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	358 if ((8 == ((hGD).gdPMap).pixelSize) && (noErr == err)) /* if successful and on an 8 bit device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	359 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	360 hCTabDeviceColors = ((hGD).gdPMap).pmTable; /* do SetEntries to force CLUT update */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	361 setEntriesRec.csTable = (ColorSpec ) &(*hCTabDeviceColors).ctTable;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	362 setEntriesRec.csStart = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	363 setEntriesRec.csCount = (**hCTabDeviceColors).ctSize;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	364 csPtr = (Ptr) &setEntriesRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	365 err = Control((*hGD).gdRefNum, cscSetEntries, (Ptr) &csPtr); / SetEntries in CLUT */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	366 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	367 DisposeGammaTable ((Ptr) pTableGammaNew); /* dump table */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	368 if (noErr == err)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	369 return true;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	370 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	371 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	372 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	373 else /* set NULL gamma -> results in linear map */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	374 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	375 gameRecRestore.csGTable = (Ptr) NULL; /* setup restore record */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	376 csPtr = (Ptr) &gameRecRestore;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	377 err = Control((*hGD).gdRefNum, cscSetGamma, (Ptr) &csPtr); / restore gamma */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	378
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	379 if ((8 == ((hGD).gdPMap).pixelSize) && (noErr == err)) /* if successful and on an 8 bit device */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	380 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	381 hCTabDeviceColors = ((hGD).gdPMap).pmTable; /* do SetEntries to force CLUT update */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	382 setEntriesRec.csTable = (ColorSpec ) &(*hCTabDeviceColors).ctTable;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	383 setEntriesRec.csStart = 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	384 setEntriesRec.csCount = (**hCTabDeviceColors).ctSize;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	385 csPtr = (Ptr) &setEntriesRec;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	386 err = Control((*hGD).gdRefNum, cscSetEntries, (Ptr) &csPtr); / SetEntries in CLUT */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	387 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	388 if (noErr == err)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	389 return true;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	390 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	391 return false; /* memory allocation or device control failed if we get here */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	392 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	393
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	394 /* end of ADC Gamma Ramp support code... */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	395
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	396 static Ptr systemGammaPtr;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	397
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	398 void Mac_QuitGamma(_THIS)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	399 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	400 if (systemGammaPtr)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	401 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	402 RestoreSystemGammas(systemGammaPtr);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	403 DisposeSystemGammas(&systemGammaPtr);
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	404 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	405 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	406
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	407 static unsigned char shiftedRamp[3 * 256];
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	408
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	409 int Mac_SetGammaRamp(_THIS, Uint16 *ramp)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	410 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	411 int i;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	412 if (!systemGammaPtr)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	413 systemGammaPtr = GetSystemGammas();
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	414 for (i = 0; i < 3 * 256; i++)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	415 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	416 shiftedRamp[i] = ramp[i] >> 8;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	417 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	418
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	419 if (SetDeviceGammaRampGD(GetMainDevice(), (Ptr) shiftedRamp))
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	420 return 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	421 else
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	422 return -1;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	423 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	424
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	425 int Mac_GetGammaRamp(_THIS, Uint16 *ramp)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	426 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	427 if (GetDeviceGammaRampGD(GetMainDevice(), (Ptr) shiftedRamp))
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	428 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	429 int i;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	430 for (i = 0; i < 3 * 256; i++)
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	431 {
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	432 ramp[i] = shiftedRamp[i] << 8;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	433 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	434 return 0;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	435 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	436 else
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	437 return -1;
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	438 }
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	439
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	440 #endif /* SDL_MACCLASSIC_GAMMA_SUPPORT */
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	441
7cdb1d7fc93b Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video Ryan C. Gordon <icculus@icculus.org> parents: 1402 diff changeset	442

Mercurial > sdl-ios-xcode

annotate src/video/maccommon/SDL_macwm.c @ 3962:7cdb1d7fc93b SDL-1.2