gdiplusenums.h

一个很强悍的爬行蜘蛛,能用于很多网页,而且速度也快

/**************************************************************************\
*
* Copyright (c) 1998-2000, Microsoft Corp.  All Rights Reserved.
*
* Module Name:
*
*   GdiplusEnums.h
*
* Abstract:
*
*   Various enumeration types
*
\**************************************************************************/

#ifndef _GDIPLUSENUMS_H
#define _GDIPLUSENUMS_H


//--------------------------------------------------------------------------
// Default bezier flattening tolerance in device pixels.
//--------------------------------------------------------------------------

const float FlatnessDefault = 1.0f/4.0f;

//--------------------------------------------------------------------------
// Graphics and Container State cookies
//--------------------------------------------------------------------------

typedef UINT     GraphicsState;
typedef UINT     GraphicsContainer;

//--------------------------------------------------------------------------
// Fill mode constants
//--------------------------------------------------------------------------

enum FillMode
{
    FillModeAlternate,        // 0
    FillModeWinding           // 1
};

//--------------------------------------------------------------------------
// Quality mode constants
//--------------------------------------------------------------------------

enum QualityMode
{
    QualityModeInvalid   = -1,
    QualityModeDefault   = 0,
    QualityModeLow       = 1, // for apps that need the best performance
    QualityModeHigh      = 2  // for apps that need the best rendering quality
};

//--------------------------------------------------------------------------
// Alpha compositing mode constants
//--------------------------------------------------------------------------

enum CompositingMode
{
    CompositingModeSourceOver,    // 0
    CompositingModeSourceCopy     // 1
};

//--------------------------------------------------------------------------
// Alpha compositing quality constants
//--------------------------------------------------------------------------

enum CompositingQuality
{
    CompositingQualityInvalid          = QualityModeInvalid,
    CompositingQualityDefault          = QualityModeDefault,
    CompositingQualityHighSpeed        = QualityModeLow,
    CompositingQualityHighQuality      = QualityModeHigh,
    CompositingQualityGammaCorrected,
    CompositingQualityAssumeLinear
};

//--------------------------------------------------------------------------
// Unit constants
//--------------------------------------------------------------------------

enum Unit
{
    UnitWorld,      // 0 -- World coordinate (non-physical unit)
    UnitDisplay,    // 1 -- Variable -- for PageTransform only
    UnitPixel,      // 2 -- Each unit is one device pixel.
    UnitPoint,      // 3 -- Each unit is a printer's point, or 1/72 inch.
    UnitInch,       // 4 -- Each unit is 1 inch.
    UnitDocument,   // 5 -- Each unit is 1/300 inch.
    UnitMillimeter  // 6 -- Each unit is 1 millimeter.
};

//--------------------------------------------------------------------------
// MetafileFrameUnit
//
// The frameRect for creating a metafile can be specified in any of these
// units.  There is an extra frame unit value (MetafileFrameUnitGdi) so
// that units can be supplied in the same units that GDI expects for
// frame rects -- these units are in .01 (1/100ths) millimeter units
// as defined by GDI.
//--------------------------------------------------------------------------
enum MetafileFrameUnit
{
    MetafileFrameUnitPixel      = UnitPixel,
    MetafileFrameUnitPoint      = UnitPoint,
    MetafileFrameUnitInch       = UnitInch,
    MetafileFrameUnitDocument   = UnitDocument,
    MetafileFrameUnitMillimeter = UnitMillimeter,
    MetafileFrameUnitGdi                        // GDI compatible .01 MM units
};

//--------------------------------------------------------------------------
// Coordinate space identifiers
//--------------------------------------------------------------------------

enum CoordinateSpace
{
    CoordinateSpaceWorld,     // 0
    CoordinateSpacePage,      // 1
    CoordinateSpaceDevice     // 2
};

//--------------------------------------------------------------------------
// Various wrap modes for brushes
//--------------------------------------------------------------------------

enum WrapMode
{
    WrapModeTile,        // 0
    WrapModeTileFlipX,   // 1
    WrapModeTileFlipY,   // 2
    WrapModeTileFlipXY,  // 3
    WrapModeClamp        // 4
};

//--------------------------------------------------------------------------
// Various hatch styles
//--------------------------------------------------------------------------

enum HatchStyle
{
    HatchStyleHorizontal,                   // 0
    HatchStyleVertical,                     // 1
    HatchStyleForwardDiagonal,              // 2
    HatchStyleBackwardDiagonal,             // 3
    HatchStyleCross,                        // 4
    HatchStyleDiagonalCross,                // 5
    HatchStyle05Percent,                    // 6
    HatchStyle10Percent,                    // 7
    HatchStyle20Percent,                    // 8
    HatchStyle25Percent,                    // 9
    HatchStyle30Percent,                    // 10
    HatchStyle40Percent,                    // 11
    HatchStyle50Percent,                    // 12
    HatchStyle60Percent,                    // 13
    HatchStyle70Percent,                    // 14
    HatchStyle75Percent,                    // 15
    HatchStyle80Percent,                    // 16
    HatchStyle90Percent,                    // 17
    HatchStyleLightDownwardDiagonal,        // 18
    HatchStyleLightUpwardDiagonal,          // 19
    HatchStyleDarkDownwardDiagonal,         // 20
    HatchStyleDarkUpwardDiagonal,           // 21
    HatchStyleWideDownwardDiagonal,         // 22
    HatchStyleWideUpwardDiagonal,           // 23
    HatchStyleLightVertical,                // 24
    HatchStyleLightHorizontal,              // 25
    HatchStyleNarrowVertical,               // 26
    HatchStyleNarrowHorizontal,             // 27
    HatchStyleDarkVertical,                 // 28
    HatchStyleDarkHorizontal,               // 29
    HatchStyleDashedDownwardDiagonal,       // 30
    HatchStyleDashedUpwardDiagonal,         // 31
    HatchStyleDashedHorizontal,             // 32
    HatchStyleDashedVertical,               // 33
    HatchStyleSmallConfetti,                // 34
    HatchStyleLargeConfetti,                // 35
    HatchStyleZigZag,                       // 36
    HatchStyleWave,                         // 37
    HatchStyleDiagonalBrick,                // 38
    HatchStyleHorizontalBrick,              // 39
    HatchStyleWeave,                        // 40
    HatchStylePlaid,                        // 41
    HatchStyleDivot,                        // 42
    HatchStyleDottedGrid,                   // 43
    HatchStyleDottedDiamond,                // 44
    HatchStyleShingle,                      // 45
    HatchStyleTrellis,                      // 46
    HatchStyleSphere,                       // 47
    HatchStyleSmallGrid,                    // 48
    HatchStyleSmallCheckerBoard,            // 49
    HatchStyleLargeCheckerBoard,            // 50
    HatchStyleOutlinedDiamond,              // 51
    HatchStyleSolidDiamond,                 // 52

    HatchStyleTotal,    // must be after all unique hatch styles

    HatchStyleLargeGrid = HatchStyleCross,  // 4  an alias for the cross style

    HatchStyleMin       = HatchStyleHorizontal,
    HatchStyleMax       = HatchStyleTotal - 1,
};

//--------------------------------------------------------------------------
// Dash style constants
//--------------------------------------------------------------------------

enum DashStyle
{
    DashStyleSolid,          // 0
    DashStyleDash,           // 1
    DashStyleDot,            // 2
    DashStyleDashDot,        // 3
    DashStyleDashDotDot,     // 4
    DashStyleCustom          // 5
};

//--------------------------------------------------------------------------
// Dash cap constants
//--------------------------------------------------------------------------

enum DashCap
{
    DashCapFlat             = 0,
    DashCapRound            = 2,
    DashCapTriangle         = 3
};

//--------------------------------------------------------------------------
// Line cap constants (only the lowest 8 bits are used).
//--------------------------------------------------------------------------

enum LineCap
{
    LineCapFlat             = 0,
    LineCapSquare           = 1,
    LineCapRound            = 2,
    LineCapTriangle         = 3,

    LineCapNoAnchor         = 0x10, // corresponds to flat cap
    LineCapSquareAnchor     = 0x11, // corresponds to square cap
    LineCapRoundAnchor      = 0x12, // corresponds to round cap
    LineCapDiamondAnchor    = 0x13, // corresponds to triangle cap
    LineCapArrowAnchor      = 0x14, // no correspondence

    LineCapCustom           = 0xff, // custom cap

    LineCapAnchorMask       = 0xf0  // mask to check for anchor or not.
};

//--------------------------------------------------------------------------
// Custom Line cap type constants
//--------------------------------------------------------------------------

enum CustomLineCapType
{
    CustomLineCapTypeDefault         = 0,
    CustomLineCapTypeAdjustableArrow = 1
};

//--------------------------------------------------------------------------
// Line join constants
//--------------------------------------------------------------------------

enum LineJoin
{
    LineJoinMiter        = 0,
    LineJoinBevel        = 1,
    LineJoinRound        = 2,
    LineJoinMiterClipped = 3
};

//--------------------------------------------------------------------------
// Path point types (only the lowest 8 bits are used.)
//  The lowest 3 bits are interpreted as point type
//  The higher 5 bits are reserved for flags.
//--------------------------------------------------------------------------

enum PathPointType
{
    PathPointTypeStart           = 0,    // move
    PathPointTypeLine            = 1,    // line
    PathPointTypeBezier          = 3,    // default Beizer (= cubic Bezier)
    PathPointTypePathTypeMask    = 0x07, // type mask (lowest 3 bits).
    PathPointTypeDashMode        = 0x10, // currently in dash mode.
    PathPointTypePathMarker      = 0x20, // a marker for the path.
    PathPointTypeCloseSubpath    = 0x80, // closed flag

    // Path types used for advanced path.

    PathPointTypeBezier2    = 2,    // quadratic Beizer
    PathPointTypeBezier3    = 3,    // cubic Bezier
    PathPointTypeBezier4    = 4,    // quartic (4th order) Beizer
    PathPointTypeBezier5    = 5,    // quintic (5th order) Bezier
    PathPointTypeBezier6    = 6     // hexaic (6th order) Bezier
};


//--------------------------------------------------------------------------
// WarpMode constants
//--------------------------------------------------------------------------

enum WarpMode
{
    WarpModePerspective,    // 0
    WarpModeBilinear        // 1
};

//--------------------------------------------------------------------------
// LineGradient Mode
//--------------------------------------------------------------------------

enum LinearGradientMode
{