/*

    Layer.h

    WWDC Open Compositor Lab

    Created by kdyke on Mon Oct 22 2001.

    Copyright:  Copyright © 2002-2003 Apple Computer, Inc., All Rights Reserved

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

                ("Apple") in consideration of your agreement to the following terms, and your

                use, installation, modification or redistribution of this Apple software

                constitutes acceptance of these terms.  If you do not agree with these terms,

                please do not use, install, modify or redistribute this Apple software.

                In consideration of your agreement to abide by the following terms, and subject

                to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

                modifications, in source and/or binary forms; provided that if you redistribute

                the Apple Software in its entirety and without modifications, you must retain

                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                expressly stated in this notice, no other rights or licenses, express or implied,

                are granted by Apple herein, including but not limited to any patent rights that

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#import <Cocoa/Cocoa.h>

#import <OpenGL/gl.h>

enum {

    kOpenGLPixelFormat = FOUR_CHAR_CODE('OGLX')

};

@interface Layer : NSObject 

{

    NSOpenGLContext *context;

    NSRect          layerRect; // presentation rect in composite view

    NSString        *name;

    float           fade;

    int             hasAlpha;

    BOOL            enableUpdates;

    struct {

        GLfloat         a, b, c;

        GLfloat         d, e, f;

        GLfloat         g, h;

    } matrix;

    GLfloat         sx[4], sy[4];

    GLfloat         tx[4], ty[4];

    GLfloat         minX, minY, maxX, maxY;

    GLfloat         xPos[4];

    GLfloat         yPos[4];

    GLfloat         wPos[4];

    GLuint          colorTextureWidth;

    GLuint          colorTextureHeight; 

    void            *colorTextureData;

    GLuint          colorTextureName;

    GLuint          colorTextureFormat;

    GLuint          colorTextureType;

    GLuint          colorTextureInternalFormat;

    GLuint          colorTextureBytesPerRow;

    GLuint          colorTextureBytesPerPixel;

    GLuint          colorTextureRowLength;

    GLuint          alphaTextureWidth;

    GLuint          alphaTextureHeight;

    GLuint          alphaTextureName;

    void            *alphaTextureData;

    GLuint          alphaTextureBytesPerRow;

    GLboolean       clearEnable;

    GLboolean       clearMask[4];

    GLboolean       clearPreMult;

    GLfloat         clearColor[4];

    GLboolean       polyEnable;

    GLboolean       polyPreMult;

    GLboolean       polyBlendEnable;

    GLboolean       polyMask[4];

    GLenum          polySrcBlend;

    GLenum          polyDstBlend;

    GLfloat         polyColor[4];

    GLboolean       layerEnable;

    GLboolean       layerPreMult;

    GLboolean       layerBlendEnable;

    GLboolean       layerMask[4];

    GLenum          layerSrcBlend;

    GLenum          layerDstBlend;

    GLfloat         layerColor[4];              

    GLboolean       backgroundRemoveEnable;

    GLfloat         backgroundColor[3];

    GLfloat         backgroundTolerance;

    GLboolean       colorCorrectionEnable;

    GLfloat         colorCorrection;

    GLfloat         colorCorrectionSource[3];

    GLfloat         colorCorrectionDest[3];

    GLboolean       colorMatrixEnable;

    GLfloat         colorMatrixHue;

    GLfloat         colorMatrixSaturation;

    GLfloat         colorMatrixBrightness;

    float           colorMatrix[3][3];

    GLuint          remapTextureDimensions[3];

    unsigned char   *remapTextureData;

    GLuint          remapTextureName;

    GLuint          remapTextureWidthLog2;

    GLuint          remapTextureHeightLog2;

    GLuint          remapTextureDepthLog2;

    GLuint          remapTextureWidth;

    GLuint          remapTextureHeight;

    GLuint          remapTextureDepth;

    float           angle;

    BOOL            remapDataDirty;

    NSBitmapImageRep    *matte;

    BOOL            layerDirty;

}

- (id)init;

- (id)objectValueForTableColumn:(NSTableColumn *)tableColumn;

- (void)setOpenGLContext:(NSOpenGLContext *)ctx;

- (void)updateLayerInfo;

- (void)setPosition:(NSPoint)point;

- (void)setPosition:(NSPoint)point atIndex:(unsigned)index;

- (NSPoint)position;

- (void)setSize:(NSSize)size;

- (NSSize)size;

- (NSRect)rect;

- (void)setRect:(NSRect)rect;

- (int)pointIndexForPoint:(NSPoint)point;

- (void)layerUpdated;

- (void)dirtyColorTexture;

- (void)dirtyAlphaTexture;

- (void)createTextures;

- (void) setFade: (float) fade;

- (float) fade;

- (float) alphaForPoint: (NSPoint) point;

- (void)heartBeat;

- (void)enableUpdates:(BOOL)flag;

- (void)drawLayer;

- (void)setColorFormat:(OSType)format colorWidth:(unsigned)width colorHeight:(unsigned)height colorData:(unsigned char *)data colorRowBytes:(unsigned)rowBytes;

- (void)lockBits;

- (void)unlockBits;

- (void)centerInRect: (NSRect)frame;

- (double)aspectRatio;

- (void)setGarbageMatte: (NSBitmapImageRep *)matte;

- (NSBitmapImageRep *)garbageMatte;

- (void)setClearEnable:(BOOL)flag;

- (void)setClearMaskRed:(BOOL)red green:(BOOL)green blue:(BOOL)blue alpha:(BOOL)alpha;

- (void)setClearPreMult:(BOOL)flag;

- (void)setClearColorRed:(GLfloat)red green:(GLfloat)green blue:(GLfloat)blue alpha:(GLfloat)alpha;

- (BOOL)isClearEnabled;

- (void)getClearMaskRed:(BOOL *)red green:(BOOL *)green blue:(BOOL *)blue alpha:(BOOL *)alpha;

- (BOOL)isClearPreMult;

- (void)getClearColorRed:(float *)red green:(float *)green blue:(float *)blue alpha:(float *)alpha;

- (void)setPolyEnable:(BOOL)flag;

- (void)setPolyBlendEnable:(BOOL)flag;

- (void)setPolyMaskRed:(BOOL)red green:(BOOL)green blue:(BOOL)blue alpha:(BOOL)alpha;

- (void)setPolyPreMult:(BOOL)flag;

- (void)setPolyColorRed:(GLfloat)red green:(GLfloat)green blue:(GLfloat)blue alpha:(GLfloat)alpha;

- (void)setPolySrcBlend:(GLenum)srcBlend;

- (void)setPolyDstBlend:(GLenum)dstBlend;

- (BOOL)isPolyEnabled;

- (BOOL)isPolyBlendEnabled;

- (void)getPolyMaskRed:(BOOL *)red green:(BOOL *)green blue:(BOOL *)blue alpha:(BOOL *)alpha;

- (BOOL)isPolyPreMult;

- (void)getPolyColorRed:(float *)red green:(float *)green blue:(float *)blue alpha:(float *)alpha;

- (GLenum)polySrcBlend;

- (GLenum)polyDstBlend;

- (void)setLayerEnable:(BOOL)flag;

- (void)setLayerBlendEnable:(BOOL)flag;

- (void)setLayerMaskRed:(BOOL)red green:(BOOL)green blue:(BOOL)blue alpha:(BOOL)alpha;

- (void)setLayerPreMult:(BOOL)flag;

- (void)setLayerColorRed:(GLfloat)red green:(GLfloat)green blue:(GLfloat)blue alpha:(GLfloat)alpha;

- (void)setLayerSrcBlend:(GLenum)srcBlend;

- (void)setLayerDstBlend:(GLenum)dstBlend;

- (BOOL)isLayerEnabled;

- (BOOL)isLayerBlendEnabled;

- (void)getLayerMaskRed:(BOOL *)red green:(BOOL *)green blue:(BOOL *)blue alpha:(BOOL *)alpha;

- (BOOL)isLayerPreMult;

- (void)getLayerColorRed:(float *)red green:(float *)green blue:(float *)blue alpha:(float *)alpha;

- (GLenum)layerSrcBlend;

- (GLenum)layerDstBlend;

- (void)setBackgroundRemovalEnable:(BOOL)flag;

- (BOOL)isBackgroundRemovalEnabled;

- (void)setBackgroundColorRed:(float)red green:(float)green blue:(float)blue;

- (void)getBackgroundColorRed:(float *)red green:(float *)green blue:(float *)blue;

- (void)setBackgroundTolerance:(float)tolerance;

- (float)backgroundTolerance;

- (void)setColorCorrectionEnable:(BOOL)flag;

- (BOOL)isColorCorrectionEnabled;

- (void)setColorCorrection:(float)correction;

- (float)colorCorrection;

- (void)setColorCorrectionSourceRed:(float)red green:(float)gleen blue:(float)blue;

- (void)getColorCorrectionSourceRed:(float *)red green:(float *)gleen blue:(float *)blue;

- (void)setColorCorrectionDestRed:(float)red green:(float)gleen blue:(float)blue;

- (void)getColorCorrectionDestRed:(float *)red green:(float *)gleen blue:(float *)blue;

- (void)setColorMatrixEnable:(BOOL)flag;

- (BOOL)isColorMatrixEnabled;

- (void)setColorMatrixHue:(float)hue;

- (void)setColorMatrixSaturation:(float)saturation;

- (void)setColorMatrixBrightness:(float)brightness;

- (float)colorMatrixHue;

- (float)colorMatrixSaturation;

- (float)colorMatrixBrightness;

@end