gdipluseffects.h

Windows Mobile平台上使用GDI+。GDI+功能很强大

/**************************************************************************
*
* Copyright (c) 2001 Microsoft Corporation
*
* Module Name:
*
*   Gdiplus effect objects.
*
* Created:
*
*   05/29/2001 asecchia
*      Created it.
*
**************************************************************************/

#ifndef _GDIPLUSEFFECTS_HPP
#define _GDIPLUSEFFECTS_HPP

#if (GDIPVER >= 0x0110)

//-----------------------------------------------------------------------------
// GDI+ effect GUIDs
//-----------------------------------------------------------------------------

// {633C80A4-1843-482b-9EF2-BE2834C5FDD4}
static const GUID BlurEffectGuid = 
{ 0x633c80a4, 0x1843, 0x482b, { 0x9e, 0xf2, 0xbe, 0x28, 0x34, 0xc5, 0xfd, 0xd4 } };

// {63CBF3EE-C526-402c-8F71-62C540BF5142}
static const GUID SharpenEffectGuid = 
{ 0x63cbf3ee, 0xc526, 0x402c, { 0x8f, 0x71, 0x62, 0xc5, 0x40, 0xbf, 0x51, 0x42 } };

// {718F2615-7933-40e3-A511-5F68FE14DD74}
static const GUID ColorMatrixEffectGuid = 
{ 0x718f2615, 0x7933, 0x40e3, { 0xa5, 0x11, 0x5f, 0x68, 0xfe, 0x14, 0xdd, 0x74 } };

// {A7CE72A9-0F7F-40d7-B3CC-D0C02D5C3212}
static const GUID ColorLUTEffectGuid = 
{ 0xa7ce72a9, 0xf7f, 0x40d7, { 0xb3, 0xcc, 0xd0, 0xc0, 0x2d, 0x5c, 0x32, 0x12 } };

// {D3A1DBE1-8EC4-4c17-9F4C-EA97AD1C343D}
static const GUID BrightnessContrastEffectGuid = 
{ 0xd3a1dbe1, 0x8ec4, 0x4c17, { 0x9f, 0x4c, 0xea, 0x97, 0xad, 0x1c, 0x34, 0x3d } };

// {8B2DD6C3-EB07-4d87-A5F0-7108E26A9C5F}
static const GUID HueSaturationLightnessEffectGuid = 
{ 0x8b2dd6c3, 0xeb07, 0x4d87, { 0xa5, 0xf0, 0x71, 0x8, 0xe2, 0x6a, 0x9c, 0x5f } };

// {99C354EC-2A31-4f3a-8C34-17A803B33A25}
static const GUID LevelsEffectGuid = 
{ 0x99c354ec, 0x2a31, 0x4f3a, { 0x8c, 0x34, 0x17, 0xa8, 0x3, 0xb3, 0x3a, 0x25 } };

// {1077AF00-2848-4441-9489-44AD4C2D7A2C}
static const GUID TintEffectGuid = 
{ 0x1077af00, 0x2848, 0x4441, { 0x94, 0x89, 0x44, 0xad, 0x4c, 0x2d, 0x7a, 0x2c } };

// {537E597D-251E-48da-9664-29CA496B70F8}
static const GUID ColorBalanceEffectGuid = 
{ 0x537e597d, 0x251e, 0x48da, { 0x96, 0x64, 0x29, 0xca, 0x49, 0x6b, 0x70, 0xf8 } };

// {74D29D05-69A4-4266-9549-3CC52836B632}
static const GUID RedEyeCorrectionEffectGuid = 
{ 0x74d29d05, 0x69a4, 0x4266, { 0x95, 0x49, 0x3c, 0xc5, 0x28, 0x36, 0xb6, 0x32 } };

// {DD6A0022-58E4-4a67-9D9B-D48EB881A53D}
static const GUID ColorCurveEffectGuid =
{ 0xdd6a0022, 0x58e4, 0x4a67, { 0x9d, 0x9b, 0xd4, 0x8e, 0xb8, 0x81, 0xa5, 0x3d }
 };

//-----------------------------------------------------------------------------

struct SharpenParams
{
    float radius;
    float amount;
};

struct BlurParams
{
    float radius;
    BOOL expandEdge;
};

struct BrightnessContrastParams
{
    INT brightnessLevel;
    INT contrastLevel;
};

struct RedEyeCorrectionParams
{
    UINT numberOfAreas;
    RECT *areas;
};

struct HueSaturationLightnessParams
{
    INT hueLevel;
    INT saturationLevel;
    INT lightnessLevel;
};

struct TintParams
{
    INT hue;
    INT amount;
};

struct LevelsParams
{
    INT highlight;
    INT midtone;
    INT shadow;
};

struct ColorBalanceParams
{
    INT cyanRed;
    INT magentaGreen;
    INT yellowBlue;
};

struct ColorLUTParams
{
    // look up tables for each color channel.
    
    ColorChannelLUT lutB;
    ColorChannelLUT lutG;
    ColorChannelLUT lutR;
    ColorChannelLUT lutA;
};

enum CurveAdjustments
{
    AdjustExposure,
    AdjustDensity,
    AdjustContrast,
    AdjustHighlight,
    AdjustShadow,
    AdjustMidtone,
    AdjustWhiteSaturation,
    AdjustBlackSaturation
};

enum CurveChannel
{
    CurveChannelAll,
    CurveChannelRed,
    CurveChannelGreen,
    CurveChannelBlue
};

struct ColorCurveParams
{
    CurveAdjustments adjustment;
    CurveChannel channel;
    INT adjustValue;
};

class CGpEffect;

extern "C" {
Status __stdcall
GdipCreateEffect(const GUID guid, CGpEffect **effect);

Status __stdcall
GdipDeleteEffect(CGpEffect *effect);

Status __stdcall
GdipGetEffectParameterSize(CGpEffect *effect, UINT *size);

Status __stdcall
GdipSetEffectParameters(CGpEffect *effect, const VOID *params, const UINT size);

Status __stdcall
GdipGetEffectParameters(CGpEffect *effect, UINT *size, VOID *params);
}

#ifndef _GDIPLUSEFFECTS_EXCLUDEOBJECTS

class Effect
{
    friend class Bitmap;
    friend class Graphics;
    
public:

    Effect()
    {
        auxDataSize = 0;
        auxData = NULL;
        nativeEffect = NULL;
        useAuxData = FALSE;
    }
    
    virtual ~Effect()
    {
        // pvData is allocated by ApplyEffect. Return the pointer so that
        // it can be freed by the appropriate memory manager.
        
        DllExports::GdipFree(auxData);
        
        // Release the native Effect.
        
        GdipDeleteEffect(nativeEffect);
    }
    
    INT GetAuxDataSize() const
    {
        return auxDataSize;
    }
    
    VOID *GetAuxData() const
    {
        return auxData;
    }
    
    VOID UseAuxData(const BOOL useAuxDataFlag)
    {
        useAuxData = useAuxDataFlag;
    }

    Status GetParameterSize(UINT *size)
    {
        return GdipGetEffectParameterSize(nativeEffect, size);
    }
    
protected:
    
    Status SetParameters(const void *params, const UINT size)
    {
        return GdipSetEffectParameters(nativeEffect, params, size);
    }

    Status GetParameters(UINT *size, void *params)
    {
        return GdipGetEffectParameters(nativeEffect, size, params);
    }

    // protected data members.
    
    CGpEffect *nativeEffect;
    INT auxDataSize;
    VOID *auxData;
    BOOL useAuxData;
};

// Blur

class Blur : public Effect
{
    public:
    
    // constructors cannot return an error code.
    
    Blur()
    { 
        GdipCreateEffect(BlurEffectGuid, &nativeEffect);
    }

    Status SetParameters(const BlurParams *parameters)
    {
        UINT size = sizeof(BlurParams);
        return Effect::SetParameters(parameters, size);
    }

    Status GetParameters(UINT *size, BlurParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// Sharpen

class Sharpen : public Effect
{
public:
    
    Sharpen()
    { 
        GdipCreateEffect(SharpenEffectGuid, &nativeEffect);
    }

    Status SetParameters(const SharpenParams *parameters)
    {
        UINT size = sizeof(SharpenParams);
        return Effect::SetParameters(parameters, size);
    }

    Status GetParameters(UINT *size, SharpenParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// RedEye Correction

class RedEyeCorrection : public Effect
{
public:
    
    // constructors cannot return an error code.
    
    RedEyeCorrection()
    { 
        GdipCreateEffect(RedEyeCorrectionEffectGuid, &nativeEffect);
    }
    
    Status SetParameters(const RedEyeCorrectionParams *parameters)
    {
        Status status = InvalidParameter;

        if (parameters)
        {
            RedEyeCorrectionParams *inputParam =
                (RedEyeCorrectionParams*)parameters;

            UINT size = sizeof(RedEyeCorrectionParams) +
                inputParam->numberOfAreas * sizeof(RECT);

            status = Effect::SetParameters(parameters, size);
        }

        return status;
    }    
    
    Status GetParameters(UINT *size, RedEyeCorrectionParams *parameters)
    {
        return Effect::GetParameters(size,(VOID*)parameters);
    }
};

// Brightness/Contrast
class BrightnessContrast : public Effect
{
public:
    BrightnessContrast()
    {
        GdipCreateEffect(BrightnessContrastEffectGuid, &nativeEffect);
    }

    Status SetParameters(const BrightnessContrastParams *parameters)
    {
        UINT size = sizeof(BrightnessContrastParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }
    
    Status GetParameters(UINT *size, BrightnessContrastParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// Hue/Saturation/Lightness

class HueSaturationLightness : public Effect
{
public:
    HueSaturationLightness()
    {
        GdipCreateEffect(HueSaturationLightnessEffectGuid, &nativeEffect);
    }

    Status SetParameters(const HueSaturationLightnessParams *parameters)
    {
        UINT size = sizeof(HueSaturationLightnessParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }

    Status GetParameters(UINT *size, HueSaturationLightnessParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// Highlight/Midtone/Shadow curves

class Levels : public Effect
{
public:
    Levels()
    {
        GdipCreateEffect(LevelsEffectGuid, &nativeEffect);
    }
    
    Status SetParameters(const LevelsParams *parameters)
    {
        UINT size = sizeof(LevelsParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }

    Status GetParameters(UINT *size, LevelsParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// Tint

class Tint : public Effect
{
public:
    Tint()
    {
        GdipCreateEffect(TintEffectGuid, &nativeEffect);
    }
    
    Status SetParameters(const TintParams *parameters)
    {
        UINT size = sizeof(TintParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }

    Status GetParameters(UINT *size, TintParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// ColorBalance

class ColorBalance : public Effect
{
public:
    ColorBalance()
    {
        GdipCreateEffect(ColorBalanceEffectGuid, &nativeEffect);
    }
    
    Status SetParameters(const ColorBalanceParams *parameters)
    {
        UINT size = sizeof(ColorBalanceParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }

    Status GetParameters(UINT *size, ColorBalanceParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

// ColorMatrix

class ColorMatrixEffect : public Effect
{
public:
    
    // constructors cannot return an error code.
    
    ColorMatrixEffect()
    { 
        GdipCreateEffect(ColorMatrixEffectGuid, &nativeEffect);
    }
    
    Status SetParameters(const ColorMatrix *matrix)
    {
        UINT size = sizeof(ColorMatrix);
        return Effect::SetParameters(matrix, size);
    }

    Status GetParameters(UINT *size, ColorMatrix *matrix)
    {
        return Effect::GetParameters(size, (VOID*)matrix);
    }
};


// ColorLUT

class ColorLUT : public Effect
{
    public:
    
    // constructors cannot return an error code.
    
    ColorLUT()
    { 
        GdipCreateEffect(ColorLUTEffectGuid, &nativeEffect);
    }

    Status SetParameters(const ColorLUTParams *lut)
    {
        UINT size = sizeof(ColorLUTParams);
        return Effect::SetParameters(lut, size);
    }

    Status GetParameters(UINT *size, ColorLUTParams *lut)
    {
        return Effect::GetParameters(size, (VOID*)lut);
    }
};

// Color Curve

class ColorCurve : public Effect
{
public:
    ColorCurve()
    {
        GdipCreateEffect(ColorCurveEffectGuid, &nativeEffect);
    }

    Status SetParameters(const ColorCurveParams *parameters)
    {
        UINT size = sizeof(ColorCurveParams);
        return Effect::SetParameters((VOID*)parameters, size);
    }

    Status GetParameters(UINT *size, ColorCurveParams *parameters)
    {
        return Effect::GetParameters(size, (VOID*)parameters);
    }
};

#endif // _GDIPLUSEFFECTS_EXCLUDEEOBJECTS

#endif //(GDIPVER >= 0x0110)

#endif