/*

    Quartz2DLayer.m

    WWDC Open Compositor Lab

    Created by pgraffl on Thu Oct 25 2001.

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

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

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

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

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

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

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                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

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*/

#import "Quartz2DLayer.h"

#import <stdlib.h>

#import <unistd.h>

#import <OpenGL/gl.h>

@implementation Quartz2DLayer

- initWithFrameRect: (NSRect) rect

{

        size_t width = rect.size.width;

        size_t height = rect.size.height;

        [super init];

        name = @"Quartz 2D Layer";

        bounds.origin.x = bounds.origin.y = 0.0;

        bounds.size.width = width;

        bounds.size.height = height;

        colorTextureBytesPerRow = (width * 4 + 31) & ~31;  //  32byte alignment

        colorTextureData = valloc(colorTextureBytesPerRow * height);

    colorTextureFormat = GL_BGRA;

    colorTextureType = GL_UNSIGNED_INT_8_8_8_8_REV;

    colorTextureInternalFormat = GL_RGBA;

    colorTextureRowLength = colorTextureBytesPerRow/4;

    colorTextureBytesPerPixel = 4;

    colorTextureWidth = width;

    colorTextureHeight = height;

        ctx = CGBitmapContextCreate(colorTextureData,  width, height, 8, colorTextureBytesPerRow, 

                            CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst);

        [self setRect:rect];

        fade = 1.0;

        hasAlpha = YES;

        [self draw];

        return self;

}

- (void) draw

{

        CGContextClearRect(ctx, CGRectMake(0.0, 0.0, 100.0, 100.0));

        CGContextAddArc(ctx, 100, 100, 50, 0./(2.0*M_PI) , 360./(2.0*M_PI), 0);

        CGContextSetRGBFillColor(ctx,  1.0, 0.0, 0.0, 1.0);   

        CGContextFillPath(ctx);

}

- (void)dealloc

{

        free(colorTextureData);

        [super dealloc];

}

@end