gconsts.h

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// $Id: gconsts.h 751 2006-03-31 15:43:49Z alex $
//
// GConsts.h
//
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

This file is part of Xara LX.

Xara LX is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as published
by the Free Software Foundation.

Xara LX and its component source files are distributed in the hope
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
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distribution); if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA  02110-1301 USA


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-----------------

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License described above, Xara Group Ltd grants to you certain additional
rights. 

The additional rights are to use, modify, and distribute the software
together with the wxWidgets library, the wxXtra library, and the "CDraw"
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by Xara Group Ltd requires in order to compile and execute, including
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----------------

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=================================XARAHEADEREND============================
 */

#ifndef INC_GCONSTS
#define INC_GCONSTS

#if !defined(__WXMSW__)
const BYTE PT_CLOSEFIGURE   = 1;
const BYTE PT_LINETO        = 2;
const BYTE PT_BEZIERTO      = 4;
const BYTE PT_MOVETO        = 6;
const BYTE PT_PATHELEMENT   = 6;
#endif

//
// These are the error codes returned by GDraw.dll. Use GetLastError to obtain the error code.
//
enum eError {
    GERROR_NO_ERROR,
    GERROR_BAD_BITMAP,
    GERROR_BAD_GRADUATION_STYLE,
    GERROR_BAD_GRADUATION_TABLE,
    GERROR_BAD_TILE_STYLE,
    GERROR_BAD_TRANSPARENCY_STYLE,
    GERROR_BAD_PARAMETERS,
    GERROR_BAD_PATH,
    GERROR_CORRUPT_EDGE_TABLE,
    GERROR_INCOMPATIBLE_BITMAPS,
    GERROR_INCOMPATIBLE_REGION,
    GERROR_INVALID_SCANLINE_ROUTINE,
    GERROR_NO_BITMAP,
    GERROR_NOT_32_BITS_PER_PIXEL,
    GERROR_OUT_OF_MEMORY,
    GERROR_OUTPUT_PATH_TOO_COMPLEX,
    GERROR_STACK_OVERFLOW,
    GERROR_UNDEFINED_FILL_STYLE,
    GERROR_UNDEFINED_MEMORY_HANDLERS,
    GERROR_UNIMPLEMENTED,
    GERROR_FAILED
} ;

//
// The following is for use by my test program only.
//
enum ColourEnum {
    C_SOLID,
    C_LINEAR,
    C_RADIAL,
    C_CONICAL,
    C_SQUARE,
    C_MULTIRADIAL,
    C_3COLOUR,
    C_4COLOUR,
    C_GOURAND,
    C_TILE,
    C_XOR,
    C_INVALID=99
} ;

//
// Cap and join styles - as used by GDraw_Stroke etc
//
enum CapStyles {
    CAPS_BUTT   = 0,
    CAPS_ROUND  = 1,
    CAPS_SQUARE = 2
} ;

enum JoinStyles {
    JOIN_MITER  = 0,
    JOIN_ROUND  = 1,
    JOIN_BEVEL  = 2
} ;

//
// Bitmap formats - as used by GDraw_SetDIBitmap and GDraw_ConvertBitmap.
//
enum BitmapFormat {
    FORMAT8BPP_NORMAL = 0,
    FORMAT8BPP_GREY   = 1,
    FORMAT16BPP_565   = 0,
    FORMAT16BPP_655   = 1,
    FORMAT16BPP_555   = 2,
    FORMAT16BPP_664   = 3
} ;

//
// Transparency styles - as used by GColour_SetTransparency, GColour_SetGraduation etc
//
enum TransparencyEnum {
    T_NONE,
    T_REFLECTIVE,
    T_SUBTRACTIVE,
    T_ADDITIVE,
    T_FLAT_REFLECTIVE,
    T_FLAT_SUBTRACTIVE,
    T_FLAT_ADDITIVE,
    T_GRAD_REFLECTIVE,
    T_GRAD_SUBTRACTIVE,
    T_GRAD_ADDITIVE,
    T_SPECIAL_1,
    T_SPECIAL_2,
    T_SPECIAL_3,
    T_CONTRAST,     T_FLAT_CONTRAST,    T_GRAD_CONTRAST,
    T_SATURATION,   T_FLAT_SATURATION,  T_GRAD_SATURATION,
    T_DARKEN,       T_FLAT_DARKEN,      T_GRAD_DARKEN,
    T_LIGHTEN,      T_FLAT_LIGHTEN,     T_GRAD_LIGHTEN,
    T_BRIGHTNESS,   T_FLAT_BRIGHTNESS,  T_GRAD_BRIGHTNESS,
    T_LUMINOSITY,   T_FLAT_LUMINOSITY,  T_GRAD_LUMINOSITY,
    T_HUE,          T_FLAT_HUE,         T_GRAD_HUE,
    T_BEVEL,        T_FLAT_BEVEL,       T_GRAD_BEVEL
} ;
//
// Graduation styles - as used by GColour_SetGraduation
//
enum GradEnum { GRAD_LINEAR, GRAD_RADIAL, GRAD_CONICAL, GRAD_SQUARE, GRAD_3COLOUR, GRAD_4COLOUR } ;

//
// Dither styles - used by GColour_SetDitherStyle and GColour_ConvertBitmap
//
enum DitherStyle {
    DITHER_DIFFUSED,
    DITHER_ORDERED,
    DITHER_GREY_ORDERED,
    DITHER_FLOYD_STEINBERG,
    DITHER_NONE,
    DITHER_SIMPLE_GREYSCALE,
    DITHER_DIFFUSED_GREYSCALE,
    DITHER_EXACT
} ;


struct GCONTEXT {
    DWORD Valid ;           // Valid if set to C90FDAA2.
    DWORD Data[1] ;
} ;

    

struct DitherBlock {
    DWORD Data[4] ;
} ;

struct GraduationTable {
    DWORD Length ;
    COLORREF StartColour ;
    COLORREF EndColour ;
    DitherBlock Table[0x100] ;
} ;

struct GraduationTable32 {              // This structure is used with 32bpp bitmaps.
    DWORD Length ;
    COLORREF StartColour ;
    COLORREF EndColour ;
    COLORREF Table[0x100] ;
} ;

struct TransparentGradTable {
    BYTE Table[0x100] ;
} ;

struct RGBT {
    BYTE Red ;
    BYTE Green ;
    BYTE Blue ;
    BYTE Transparency ;
} ;

struct BGRT {
    BYTE Blue ;
    BYTE Green ;
    BYTE Red ;
    BYTE Transparency ;
} ;

struct BGR {
    BYTE Blue ;
    BYTE Green ;
    BYTE Red ;
    BYTE Unused ;
} ;



struct DashType {
    DWORD Length ;
    DWORD Offset ;
    DWORD Array[8] ;
} ;


struct REGION {
    DWORD Type ;    // 0 = non-antialiased ; 1 = 5 line antialiased ; 2 = 9 line antialias
    RECT Rect ;
    DWORD Data[1] ;
} ;

#ifndef INC_CAMTYPES
    typedef __int64 XLONG ;
//  typedef struct {
//      UINT32 lo ;
//       INT32 hi ;
//  } XLONG ;
#endif

struct GMATRIX {
    INT32 AX ;
    INT32 AY ;
    INT32 BX ;
    INT32 BY ;
    XLONG CX ;
    XLONG CY ;
} ;



struct STATISTICS {
    COLORREF C ;
     INT32 N  ;
    XLONG R  ;
    XLONG R2 ;
    XLONG RX ;
    XLONG RY ;
    XLONG G  ;
    XLONG G2 ;
    XLONG GX ;
    XLONG GY ;
    XLONG B  ;
    XLONG B2 ;
    XLONG BX ;
    XLONG BY ;
    XLONG X  ;
    XLONG Y  ;
    XLONG X2 ;
    XLONG Y2 ;
    XLONG XY ;
} ;



//struct GBLOB {
//  POINT   PointA ;
//  POINT   PointB ;
//  POINT   PointC ;
//  BYTE    Scale ;
//} ;


const INT32 FX = 14 ;
const INT32 MAX_BITMAP_WIDTH  = 0x800 ;
const INT32 MAX_BITMAP_HEIGHT = 0x800 ;


#endif

---