/*
 * cocos2d for iPhone: http://www.cocos2d-iphone.org
 *
 * Copyright (c) 2008-2010 Ricardo Quesada
 * Copyright (c) 2011 Zynga Inc.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */


#import "ccTypes.h"
#import "CCTexture2D.h"

#pragma mark -
#pragma mark CCRGBAProtocol

/// CC RGBA protocol
@protocol CCRGBAProtocol <NSObject>
/** sets Color
 @since v0.8
 */
-(void) setColor:(ccColor3B)color;
/** returns the color
 @since v0.8
 */
-(ccColor3B) color;

/// returns the opacity
-(GLubyte) opacity;
/** sets the opacity.
 @warning If the the texture has premultiplied alpha then, the R, G and B channels will be modifed.
 Values goes from 0 to 255, where 255 means fully opaque.
 */
-(void) setOpacity: (GLubyte) opacity;
@optional
/** sets the premultipliedAlphaOpacity property.
 If set to NO then opacity will be applied as: glColor(R,G,B,opacity);
 If set to YES then oapcity will be applied as: glColor(opacity, opacity, opacity, opacity );
 Textures with premultiplied alpha will have this property by default on YES. Otherwise the default value is NO
 @since v0.8
 */
-(void) setOpacityModifyRGB:(BOOL)boolean;
/** returns whether or not the opacity will be applied using glColor(R,G,B,opacity) or glColor(opacity, opacity, opacity, opacity);
 @since v0.8
 */
 -(BOOL) doesOpacityModifyRGB;
@end

#pragma mark -
#pragma mark CCBlendProtocol
/**
 You can specify the blending fuction.
 @since v0.99.0
 */
@protocol CCBlendProtocol <NSObject>
/** set the source blending function for the texture */
-(void) setBlendFunc:(ccBlendFunc)blendFunc;
/** returns the blending function used for the texture */
-(ccBlendFunc) blendFunc;
@end


#pragma mark -
#pragma mark CCTextureProtocol

/** CCNode objects that uses a Texture2D to render the images.
 The texture can have a blending function.
 If the texture has alpha premultiplied the default blending function is:
    src=GL_ONE dst= GL_ONE_MINUS_SRC_ALPHA
 else
	src=GL_SRC_ALPHA dst= GL_ONE_MINUS_SRC_ALPHA
 But you can change the blending funtion at any time.
 @since v0.8.0
 */
@protocol CCTextureProtocol <CCBlendProtocol>
/** returns the used texture */
-(CCTexture2D*) texture;
/** sets a new texture. it will be retained */
-(void) setTexture:(CCTexture2D*)texture;
@end

#pragma mark -
#pragma mark CCLabelProtocol
/** Common interface for Labels */
@protocol CCLabelProtocol <NSObject>
/** sets a new label using an NSString.
 The string will be copied.
 */
-(void) setString:(NSString*)label;
/** returns the string that is rendered */
-(NSString*) string;
@optional
/** sets a new label using a CString.
 It is faster than setString since it doesn't require to alloc/retain/release an NString object.
 @since v0.99.0
 */
-(void) setCString:(char*)label;
@end


#pragma mark -
#pragma mark CCProjectionProtocol
/** OpenGL projection protocol */
@protocol CCProjectionProtocol <NSObject>
/** Called by CCDirector when the porjection is updated, and "custom" projection is used
 @since v0.99.5
 */
-(void) updateProjection;
@end
