/*

     File: CoreImageView.h

 Abstract: n/a

  Version: 2.1

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 */

#import <Cocoa/Cocoa.h>

#import <QuartzCore/QuartzCore.h>

#import "SampleCIView.h"

@class FunHouseWindowController;

// these are the possible item types that get moved

// within a mouseDown mouseDragged mouseUp loop

enum

    {

    pmNone = 0,

    pmPoint,            // moving a filter point (example: the inputCenter parameter to CIBumpDistortion)

    pmTopLeft,          // moving the top left point of a filter rectangle (example: the inputRectangle parameter to CICrop)

    pmBottomLeft,       // moving the bottom left point of a filter rectangle (example: the inputRectangle parameter to CICrop)

    pmTopRight,         // moving the top right point of a filter rectangle (example: the inputRectangle parameter to CICrop)

    pmBottomRight,      // moving the bottom right point of a filter rectangle (example: the inputRectangle parameter to CICrop)

    pmImageOffset,      // moving an image layer's offset

    pmTextOffset,       // moving a text layer's origin

    pmTransformOffset,  // moving the offset of a filter's affine transform parameter

    pmSpotLight,        // moving a CISpotLight position parameter

    pm3DPoint,          // moving the XY components of a filter 3D position parameter

    };

@interface CoreImageView : SampleCIView

{

    BOOL initialized;

    NSBundle *bundle;

    FunHouseWindowController *controller;

    // these fields are for mouse movement - they're set up in mouseDown, and used in mouseDragged and mouseUp

    NSInteger parmIndex;

    NSString *parmKey;

    NSInteger parmMode;

    NSString *savedActionName;

    BOOL movingNow;

    // this onee is used to indicate that the filter, image, and text layer origin handles are to be displayed

    BOOL displayingPoints;

    // the tracking rectangle is set up so mouseEntered and mouseExited events will be generated

    NSTrackingRectTag lastTrack;

    // view transform

    CGFloat viewTransformScale;

    CGFloat viewTransformOffsetX;

    CGFloat viewTransformOffsetY;

}

- (void)awakeFromNib;

- (void)setFunHouseWindowController:(FunHouseWindowController *)c;

- (CIContext *)context;

// view transform setters and getters

- (void)setViewTransformScale:(CGFloat)scale;

- (void)setViewTransformOffsetX:(CGFloat)x andY:(CGFloat)y;

- (BOOL)isScaled;

// setters for filter parameters (undo glue code)

- (void)setFilter:(CIFilter *)f value:(id)val forKey:(NSString *)key; // undoable operation

- (void)setDict:(NSMutableDictionary *)f value:(id)val forKey:(NSString *)key; // undoable operation

- (void)setActionNameForFilter:(CIFilter *)f key:(NSString *)key;

- (void)setActionNameForTextLayerKey:(NSString *)key;

@end