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Tomas Hajny
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rtl/os2/dive.pas
334
rtl/os2/dive.pas
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{****************************************************************************
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$Id$
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DIVE interface unit
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FPC Pascal Runtime Library for OS/2
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Copyright (c) 1999-2000 by Karoly Balogh (aka Charlie/INQ)
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The FPC Pascal runtime library is distributed under the Library GNU Public
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License v2. So is this unit. The Library GNU Public License requires you to
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distribute the source code of this unit with any product that uses it.
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Because the EMX library isn't under the LGPL, we grant you an exception to
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this, and that is, when you compile a program with the Free Pascal Compiler,
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you do not need to ship source code with that program, AS LONG AS YOU ARE
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USING UNMODIFIED CODE! If you modify this code, you MUST change the next
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line:
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<This an official, unmodified Free Pascal source code file.>
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Send us your modified files, we can work together if you want!
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Free Pascal is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Library GNU General Public License for more details.
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You should have received a copy of the Library GNU General Public License
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along with Free Pascal; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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****************************************************************************}
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Unit DIVE;
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{Warning: This code is alfa. Future versions of this unit will propably
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not be compatible.}
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Interface
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Uses OS2Def, PMWin;
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Const Max_Dive_Instances = 64;
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DIVE_Success = $00000000;
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DIVE_Err_Invalid_Instance = $00001000;
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DIVE_Err_Source_Format = $00001001;
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DIVE_Err_Destination_Format = $00001002;
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DIVE_Err_Blitter_Not_Setup = $00001003;
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DIVE_Err_Insufficient_Length = $00001004;
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DIVE_Err_Too_Many_Instances = $00001005;
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DIVE_Err_No_Direct_Access = $00001006;
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DIVE_Err_Not_Bank_Switched = $00001007;
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DIVE_Err_Invalid_Bank_Number = $00001008;
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DIVE_Err_FB_Not_Acquired = $00001009;
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DIVE_Err_FB_Already_Acquired = $0000100A;
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DIVE_Err_Acquire_Failed = $0000100B;
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DIVE_Err_Bank_Switch_Failed = $0000100C;
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DIVE_Err_Deacquire_Failed = $0000100D;
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DIVE_Err_Invalid_Palette = $0000100E;
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DIVE_Err_Invalid_Destination_RECTL = $0000100F;
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DIVE_Err_Invalid_Buffer_Number = $00001010;
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DIVE_Err_SSMDD_Not_Installed = $00001011;
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DIVE_Err_Buffer_Already_Accessed = $00001012;
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DIVE_Err_Buffer_Not_Accessed = $00001013;
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DIVE_Err_Too_Many_Bufffers = $00001014;
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DIVE_Err_Allocation_Error = $00001015;
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DIVE_Err_Invalid_Linesize = $00001016;
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DIVE_Err_Fatal_Exception = $00001017;
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DIVE_Err_Invalid_Conversion = $00001018;
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DIVE_Err_VSD_Error = $00001019;
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DIVE_Err_Color_Support = $0000101A;
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DIVE_Err_Out_Of_Range = $0000101B;
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DIVE_Warn_No_Size = $00001100;
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DIVE_Buffer_Screen = $00000000;
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DIVE_Buffer_Graphics_Plane = $00000001;
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DIVE_Buffer_Alternate_Plane = $00000002;
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DIVE_Fully_Visible = $FFFFFFFF;
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{ * Use either of the two defines as the bRGB2Entries pointer to have DIVE * }
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{ * query and set the physical or default palette as source or destination. * }
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DIVE_Palette_Physical = $00000000;
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DIVE_Palette_Default = $FFFFFFFF;
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Type FourCC = cardinal;
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HDIVE = cardinal;
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{ * Blitter setup structures * }
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TSetup_Blitter = Record
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ulStructLen : cardinal; { * ulStructLen tells how much of the structure is used. * }
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{ * Comments here show appropriate values, so don't count ;) * }
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fInvert : cardinal; { * Image is inverted on blit * }
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{ * fInvert use: * }
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{ * %0001 = 01 = $01 horizontal flip * }
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{ * %0010 = 02 = $02 vertical flip * }
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{ * This is the mark for 8 bytes * }
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fccSrcColorFormat : FourCC; { * Source data format * }
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ulSrcWidth : cardinal; { * Width in pels * }
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ulSrcHeight : cardinal; { * Height in pels * }
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{ * The following are for displaying a sub-portion of the image. * }
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ulSrcPosX : cardinal; { * X Position of source data * }
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ulSrcPosY : cardinal; { * Y Position of source data * }
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{ * This is the mark for 28 bytes * }
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ulDitherType : cardinal; { * Dither type * }
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{ * 32 byte mark * }
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fccDstColorFormat : FourCC; { * Destination color format * }
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ulDstWidth : cardinal; { * Destination width in pels * }
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ulDstHeight : cardinal; { * Destination height in pels * }
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lDstPosX : LongInt;
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lDstPosY : LongInt;
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{ * 52 byte mark * }
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lScreenPosX : LongInt;
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lScreenPosY : LongInt;
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{ * 60 byte mark * }
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ulNumDstRects : cardinal;
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pVisDstRects : PRectl; { * This is a pointer to an array of visible rectangles. * }
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{ * 68 bytes = fully used * }
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End;
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PSetup_Blitter = ^TSetup_Blitter;
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{ * Stuff for DiveQueryCaps() * }
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TDIVE_CAPS = Record
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ulStructLen : cardinal; { * SizeOf(TDIVE_CAPS) * }
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ulPlaneCount : cardinal; { * Number of defined planes * }
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{ * Following info applies to ulPlaneID * }
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fScreenDirect : cardinal; { * Direct screen access (was type BOOL in C) * }
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fBankSwitched : cardinal; { * VRAM bank-switched? (was type BOOL in C) * }
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ulDepth : cardinal; { * Number of bits per pixel * }
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ulHorizontalResolution : cardinal;
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ulVerticalResolution : cardinal;
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ulScanLineBytes : cardinal;
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fccColorEncoding : FourCC;
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ulApertureSize : cardinal;
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ulInputFormats : cardinal; { * Number of input color formats * }
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ulOutputFormats : cardinal;
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ulFormatLength : cardinal; { * Length of format buffer * }
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pFormatData : Pointer; { * Pointer to format buffer of FOURCC's * }
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End;
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PDIVE_CAPS = ^TDIVE_CAPS;
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Function DiveQueryCaps(Var DiveCaps : PDIVE_CAPS; ulPlaneBufNum : cardinal) : cardinal; cdecl;
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Function DiveOpen(Var phDiveInst : cardinal; fNonScreenInstance : cardinal;
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Var ppFrameBuffer : Pointer) : cardinal; cdecl;
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Function DiveClose(hDiveInst : cardinal) : cardinal; cdecl;
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Function DiveSetupBlitter(hDiveInst : cardinal; pSetupBlitter : PSetup_Blitter) : cardinal; cdecl;
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Function DiveBlitImage(hDiveInst : cardinal; ulSrcBufNumber : cardinal; ulDstBufNumber : cardinal) : cardinal; cdecl;
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Function DiveAcquireFrameBuffer(hDiveInst : cardinal; prectlDst : PRectl) : cardinal; cdecl;
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Function DiveDeacquireFrameBuffer(hDiveInst : cardinal) : cardinal; cdecl;
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Function DiveCalcFrameBufferAddress(hDiveInst : cardinal;
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prectlDest : PRectl;
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Var pDestinationAddress : Pointer;
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Var ulBankNumber : cardinal;
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Var ulRemLinesInBank : cardinal) : cardinal; cdecl;
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Function DiveSwitchBank(hDiveInst : cardinal; ulBankNumber : cardinal) : cardinal; cdecl;
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{ Notes on DiveAllocImageBuffer:
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If pbImageBuffer is not NULL, the buffer is associated rather than
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allocated. If pbImageBuffer is not NULL and the buffer number
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pointed to by pulBufferNumber is non-zero, a new buffer pointer is
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associated with the buffer number. Even though no memory is
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allocated by DiveAllocImageBuffer when user-allocated buffers are
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associated, DiveFreeImageBuffer should be called to release the
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buffer association to avoid using up available buffer indexes.
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The specified line size will be used if a buffer is allocated in
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system memory, or if a user buffer is associated. If the
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specified line size is zero, the allocated line size is rounded up
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to the nearest DWORD boundry. }
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Function DiveAllocImageBuffer(hDiveInst : cardinal;
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Var ulBufferNumber : cardinal;
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fccColorSpace : FourCC;
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ulWidth : cardinal;
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ulHeight : cardinal;
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ulLineSizeBytes : cardinal;
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Var bImageBuffer : Pointer) : cardinal; cdecl;
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Function DiveFreeImageBuffer(hDiveInst : cardinal; ulBufferNumber : cardinal) : cardinal; cdecl;
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Function DiveBeginImageBufferAccess(hDiveInst : cardinal;
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ulBufferNumber : cardinal;
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Var pbImageBuffer : Pointer;
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Var ulBufferScanLineBytes : cardinal;
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Var ulBufferScanLines : cardinal) : cardinal; cdecl;
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Function DiveEndImageBufferAccess(hDiveInst : cardinal; ulBufferNumber : cardinal) : cardinal; cdecl;
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{/* Notes on palettes:
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Neither DiveSetSourcePalette nor DiveSetDestinationPalette API's will set
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the physical palette. If your application MUST set the PHYSICAL palette,
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try using no more than 236 entries (the middle 236: 10-245, thus leaving
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the top and bottom 10 entries for the Workplace Shell). If your
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application MUST use ALL 256 entries, it must do so as a full-screen
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(i.e. maximized) application. Remember, No WM_REALIZEPALETTE message
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will be sent to other running applications, meaning they will not redraw
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and their colors will be all wrong. It is not recommended that a
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developer use these commands:
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To set physical palette, do the following:
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hps = WinGetPS ( HWND_DESKTOP );
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hdc = GpiQueryDevice ( hps );
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GpiCreateLogColorTable ( hps, LCOL_PURECOLOR | LCOL_REALIZABLE,
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LCOLF_CONSECRGB, 0, 256, (PLONG)plRGB2Entries );
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Gre32EntrY3 ( hdc, 0L, 0x000060C6L );
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WinInvalidateRect ( HWND_DESKTOP, (PRECTL)NULL, TRUE );
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WinReleasePS ( hps );
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To reset physical palette, do the following:
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hps = WinGetPS ( HWND_DESKTOP );
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hdc = GpiQueryDevice ( hps );
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Gre32EntrY3 ( hdc, 0L, 0x000060C7L );
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WinInvalidateRect ( HWND_DESKTOP, (PRECTL)NULL, TRUE );
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WinReleasePS ( hps );
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*/}
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Function DiveSetDestinationPalette(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulNumEntries : cardinal;
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Var bRGB2Entries : Pointer) : cardinal; cdecl;
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Function DiveSetSourcePalette(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulNumEntries : cardinal;
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Var bRGB2Entries : Pointer) : cardinal; cdecl;
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Function DiveSetTransparentBlitMode(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulValue1 : cardinal;
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ulValue2 : cardinal) : cardinal; cdecl;
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Implementation
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Function DiveQueryCaps(Var DiveCaps : PDIVE_CAPS; ulPlaneBufNum : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 1;
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Function DiveOpen(Var phDiveInst : cardinal; fNonScreenInstance : cardinal; Var ppFrameBuffer : Pointer) : cardinal; cdecl;
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External 'DIVE' Index 2;
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Function DiveClose(hDiveInst : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 3;
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Function DiveSetupBlitter(hDiveInst : cardinal; pSetupBlitter : PSetup_Blitter) : cardinal; cdecl;
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External 'DIVE' Index 4;
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Function DiveBlitImage(hDiveInst : cardinal; ulSrcBufNumber : cardinal; ulDstBufNumber : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 5;
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Function DiveAcquireFrameBuffer(hDiveInst : cardinal; prectlDst : PRectl) : cardinal; cdecl;
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External 'DIVE' Index 6;
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Function DiveDeacquireFrameBuffer(hDiveInst : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 8;
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Function DiveCalcFrameBufferAddress(hDiveInst : cardinal;
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prectlDest : PRectl;
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Var pDestinationAddress : Pointer;
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Var ulBankNumber : cardinal;
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Var ulRemLinesInBank : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 11;
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Function DiveSwitchBank(hDiveInst : cardinal; ulBankNumber : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 7;
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Function DiveAllocImageBuffer(hDiveInst : cardinal;
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Var ulBufferNumber : cardinal;
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fccColorSpace : FourCC;
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ulWidth : cardinal;
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ulHeight : cardinal;
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ulLineSizeBytes : cardinal;
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Var bImageBuffer : Pointer) : cardinal; cdecl;
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External 'DIVE' Index 12;
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Function DiveFreeImageBuffer(hDiveInst : cardinal;
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ulBufferNumber : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 13;
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Function DiveBeginImageBufferAccess(hDiveInst : cardinal;
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ulBufferNumber : cardinal;
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Var pbImageBuffer : Pointer;
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Var ulBufferScanLineBytes : cardinal;
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Var ulBufferScanLines : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 14;
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Function DiveEndImageBufferAccess(hDiveInst : cardinal; ulBufferNumber : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 15;
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Function DiveSetDestinationPalette(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulNumEntries : cardinal;
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Var bRGB2Entries : Pointer) : cardinal; cdecl;
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External 'DIVE' Index 9;
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Function DiveSetSourcePalette(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulNumEntries : cardinal;
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Var bRGB2Entries : Pointer) : cardinal; cdecl;
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External 'DIVE' Index 10;
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Function DiveSetTransparentBlitMode(hDiveInst : cardinal;
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ulStartIndex : cardinal;
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ulValue1 : cardinal;
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ulValue2 : cardinal) : cardinal; cdecl;
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External 'DIVE' Index 18;
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Begin
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End.
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{
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$Log$
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Revision 1.3 2002-09-07 16:01:23 peter
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* old logs removed and tabs fixed
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}
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