/*

===== IMPORTANT =====

This is sample code demonstrating API, technology or techniques in development.
Although this sample code has been reviewed for technical accuracy, it is not
final. Apple is supplying this information to help you plan for the adoption of
the technologies and programming interfaces described herein. This information
is subject to change, and software implemented based on this sample code should
be tested with final operating system software and final documentation. Newer
versions of this sample code may be provided with future seeds of the API or
technology. For information about updates to this and other developer
documentation, view the New & Updated sidebars in subsequent documentation
seeds.

=====================

File: EAGLView.h
Abstract: Convenience class that wraps the CAEAGLLayer from CoreAnimation into a
UIView subclass.

Version: 1.3

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*/

#include "platform/CCPlatformConfig.h"
#if CC_TARGET_PLATFORM == CC_PLATFORM_IOS

#import <UIKit/UIKit.h>
#import <OpenGLES/EAGL.h>
#import <OpenGLES/EAGLDrawable.h>
#import <OpenGLES/ES2/gl.h>
#import <OpenGLES/ES2/glext.h>
#import <CoreFoundation/CoreFoundation.h>

#import "CCESRenderer-ios.h"

//CLASS INTERFACE:

/** CCEAGLView Class.
 * This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.
 * The view content is basically an EAGL surface you render your OpenGL scene into.
 * Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.
 */
@interface CCEAGLView : UIView <UIKeyInput, UITextInput>
{
    id                        <CCESRenderer> renderer_;    
    EAGLContext                *context_; // weak ref

    NSString                *pixelformat_;
    GLuint                    depthFormat_;
    BOOL                    preserveBackbuffer_;

    CGSize                    size_;
    BOOL                    discardFramebufferSupported_;

    //fsaa addition
    BOOL                    multisampling_;
    unsigned int               requestedSamples_;
    BOOL                    isUseUITextField;
@private
    NSString *              markedText_;
    CGRect                  caretRect_;
    CGRect                  originalRect_;
    NSNotification*         keyboardShowNotification_;
    BOOL                    isKeyboardShown_;
}

@property(nonatomic, readonly) UITextPosition *beginningOfDocument;
@property(nonatomic, readonly) UITextPosition *endOfDocument;
@property(nonatomic, assign) id<UITextInputDelegate> inputDelegate;
@property(nonatomic, readonly) UITextRange *markedTextRange;
@property (nonatomic, copy) NSDictionary *markedTextStyle;
@property(readwrite, copy) UITextRange *selectedTextRange;
@property(nonatomic, readonly) id<UITextInputTokenizer> tokenizer;
@property(nonatomic, readonly, getter = isKeyboardShown) BOOL isKeyboardShown;
@property(nonatomic, copy) NSNotification* keyboardShowNotification;
/** creates an initializes an CCEAGLView with a frame and 0-bit depth buffer, and a RGB565 color buffer */
+ (id) viewWithFrame:(CGRect)frame;
/** creates an initializes an CCEAGLView with a frame, a color buffer format, and 0-bit depth buffer */
+ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format;
/** creates an initializes an CCEAGLView with a frame, a color buffer format, and a depth buffer format */
+ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth;
/** creates an initializes an CCEAGLView with a frame, a color buffer format, a depth buffer format, a sharegroup, and multisamping */
+ (id) viewWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)multisampling numberOfSamples:(unsigned int)samples;

/** Initializes an CCEAGLView with a frame and 0-bit depth buffer, and a RGB565 color buffer */
- (id) initWithFrame:(CGRect)frame; //These also set the current context
/** Initializes an CCEAGLView with a frame, a color buffer format, and 0-bit depth buffer */
- (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format;
/** Initializes an CCEAGLView with a frame, a color buffer format, a depth buffer format, a sharegroup and multisampling support */
- (id) initWithFrame:(CGRect)frame pixelFormat:(NSString*)format depthFormat:(GLuint)depth preserveBackbuffer:(BOOL)retained sharegroup:(EAGLSharegroup*)sharegroup multiSampling:(BOOL)sampling numberOfSamples:(unsigned int)nSamples;

/** pixel format: it could be RGBA8 (32-bit) or RGB565 (16-bit) */
@property(nonatomic,readonly) NSString* pixelFormat;
/** depth format of the render buffer: 0, 16 or 24 bits*/
@property(nonatomic,readonly) GLuint depthFormat;

/** returns surface size in pixels */
@property(nonatomic,readonly) CGSize surfaceSize;

/** OpenGL context */
@property(nonatomic,readonly) EAGLContext *context;

@property(nonatomic,readwrite) BOOL multiSampling;


/** CCEAGLView uses double-buffer. This method swaps the buffers */
-(void) swapBuffers;

- (CGRect) convertRectFromViewToSurface:(CGRect)rect;
- (CGPoint) convertPointFromViewToSurface:(CGPoint)point;

-(int) getWidth;
-(int) getHeight;

-(void) doAnimationWhenKeyboardMoveWithDuration:(float) duration distance:(float) dis;
-(void) doAnimationWhenAnotherEditBeClicked;
@end

#endif // CC_PLATFORM_IOS
